// Copyright (c) 2012 The Chromium Authors. All rights reserved. // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "content/renderer/render_view_impl.h" #include #include #include "base/auto_reset.h" #include "base/bind.h" #include "base/bind_helpers.h" #include "base/command_line.h" #include "base/compiler_specific.h" #include "base/debug/alias.h" #include "base/debug/trace_event.h" #include "base/files/file_path.h" #include "base/i18n/rtl.h" #include "base/json/json_writer.h" #include "base/lazy_instance.h" #include "base/memory/scoped_ptr.h" #include "base/message_loop/message_loop_proxy.h" #include "base/metrics/histogram.h" #include "base/path_service.h" #include "base/process/kill.h" #include "base/process/process.h" #include "base/strings/string_number_conversions.h" #include "base/strings/string_piece.h" #include "base/strings/string_split.h" #include "base/strings/string_util.h" #include "base/strings/sys_string_conversions.h" #include "base/strings/utf_string_conversions.h" #include "base/time/time.h" #include "cc/base/switches.h" #include "content/child/appcache/appcache_dispatcher.h" #include "content/child/appcache/web_application_cache_host_impl.h" #include "content/child/child_thread.h" #include "content/child/npapi/webplugin_delegate_impl.h" #include "content/child/request_extra_data.h" #include "content/child/webmessageportchannel_impl.h" #include "content/common/clipboard_messages.h" #include "content/common/database_messages.h" #include "content/common/dom_storage/dom_storage_types.h" #include "content/common/drag_messages.h" #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h" #include "content/common/input_messages.h" #include "content/common/java_bridge_messages.h" #include "content/common/pepper_messages.h" #include "content/common/socket_stream_handle_data.h" #include "content/common/ssl_status_serialization.h" #include "content/common/view_messages.h" #include "content/public/common/bindings_policy.h" #include "content/public/common/content_client.h" #include "content/public/common/content_constants.h" #include "content/public/common/content_switches.h" #include "content/public/common/context_menu_params.h" #include "content/public/common/drop_data.h" #include "content/public/common/favicon_url.h" #include "content/public/common/file_chooser_params.h" #include "content/public/common/page_zoom.h" #include "content/public/common/ssl_status.h" #include "content/public/common/three_d_api_types.h" #include "content/public/common/url_constants.h" #include "content/public/common/url_utils.h" #include "content/public/renderer/content_renderer_client.h" #include "content/public/renderer/context_menu_client.h" #include "content/public/renderer/document_state.h" #include "content/public/renderer/history_item_serialization.h" #include "content/public/renderer/navigation_state.h" #include "content/public/renderer/render_view_observer.h" #include "content/public/renderer/render_view_visitor.h" #include "content/public/renderer/web_preferences.h" #include "content/renderer/accessibility/renderer_accessibility.h" #include "content/renderer/accessibility/renderer_accessibility_complete.h" #include "content/renderer/accessibility/renderer_accessibility_focus_only.h" #include "content/renderer/browser_plugin/browser_plugin.h" #include "content/renderer/browser_plugin/browser_plugin_manager.h" #include "content/renderer/browser_plugin/browser_plugin_manager_impl.h" #include "content/renderer/context_menu_params_builder.h" #include "content/renderer/devtools/devtools_agent.h" #include "content/renderer/disambiguation_popup_helper.h" #include "content/renderer/dom_automation_controller.h" #include "content/renderer/dom_storage/webstoragenamespace_impl.h" #include "content/renderer/drop_data_builder.h" #include "content/renderer/external_popup_menu.h" #include "content/renderer/fetchers/alt_error_page_resource_fetcher.h" #include "content/renderer/geolocation_dispatcher.h" #include "content/renderer/gpu/render_widget_compositor.h" #include "content/renderer/idle_user_detector.h" #include "content/renderer/image_loading_helper.h" #include "content/renderer/ime_event_guard.h" #include "content/renderer/input/input_handler_manager.h" #include "content/renderer/input_tag_speech_dispatcher.h" #include "content/renderer/internal_document_state_data.h" #include "content/renderer/java/java_bridge_dispatcher.h" #include "content/renderer/load_progress_tracker.h" #include "content/renderer/media/audio_device_factory.h" #include "content/renderer/media/audio_renderer_mixer_manager.h" #include "content/renderer/media/media_stream_dependency_factory.h" #include "content/renderer/media/media_stream_dispatcher.h" #include "content/renderer/media/media_stream_impl.h" #include "content/renderer/media/midi_dispatcher.h" #include "content/renderer/media/render_media_log.h" #include "content/renderer/media/video_capture_impl_manager.h" #include "content/renderer/media/webmediaplayer_impl.h" #include "content/renderer/media/webmediaplayer_ms.h" #include "content/renderer/media/webmediaplayer_params.h" #include "content/renderer/mhtml_generator.h" #include "content/renderer/notification_provider.h" #include "content/renderer/render_frame_impl.h" #include "content/renderer/render_process.h" #include "content/renderer/render_thread_impl.h" #include "content/renderer/render_view_impl_params.h" #include "content/renderer/render_view_mouse_lock_dispatcher.h" #include "content/renderer/render_widget_fullscreen_pepper.h" #include "content/renderer/renderer_webapplicationcachehost_impl.h" #include "content/renderer/renderer_webcolorchooser_impl.h" #include "content/renderer/resizing_mode_selector.h" #include "content/renderer/savable_resources.h" #include "content/renderer/shared_worker_repository.h" #include "content/renderer/speech_recognition_dispatcher.h" #include "content/renderer/stats_collection_controller.h" #include "content/renderer/stats_collection_observer.h" #include "content/renderer/text_input_client_observer.h" #include "content/renderer/v8_value_converter_impl.h" #include "content/renderer/web_ui_extension.h" #include "content/renderer/web_ui_extension_data.h" #include "content/renderer/websharedworker_proxy.h" #include "media/audio/audio_output_device.h" #include "media/base/audio_renderer_mixer_input.h" #include "media/base/filter_collection.h" #include "media/base/media_switches.h" #include "media/filters/audio_renderer_impl.h" #include "media/filters/gpu_video_accelerator_factories.h" #include "net/base/data_url.h" #include "net/base/escape.h" #include "net/base/net_errors.h" #include "net/base/registry_controlled_domains/registry_controlled_domain.h" #include "net/http/http_util.h" #include "third_party/WebKit/public/platform/WebCString.h" #include "third_party/WebKit/public/platform/WebDragData.h" #include "third_party/WebKit/public/platform/WebHTTPBody.h" #include "third_party/WebKit/public/platform/WebImage.h" #include "third_party/WebKit/public/platform/WebMessagePortChannel.h" #include "third_party/WebKit/public/platform/WebPoint.h" #include "third_party/WebKit/public/platform/WebRect.h" #include "third_party/WebKit/public/platform/WebSize.h" #include "third_party/WebKit/public/platform/WebSocketStreamHandle.h" #include "third_party/WebKit/public/platform/WebStorageQuotaCallbacks.h" #include "third_party/WebKit/public/platform/WebString.h" #include "third_party/WebKit/public/platform/WebURL.h" #include "third_party/WebKit/public/platform/WebURLError.h" #include "third_party/WebKit/public/platform/WebURLRequest.h" #include "third_party/WebKit/public/platform/WebURLResponse.h" #include "third_party/WebKit/public/platform/WebVector.h" #include "third_party/WebKit/public/web/WebAXObject.h" #include "third_party/WebKit/public/web/WebColorName.h" #include "third_party/WebKit/public/web/WebColorSuggestion.h" #include "third_party/WebKit/public/web/WebDOMEvent.h" #include "third_party/WebKit/public/web/WebDOMMessageEvent.h" #include "third_party/WebKit/public/web/WebDataSource.h" #include "third_party/WebKit/public/web/WebDateTimeChooserCompletion.h" #include "third_party/WebKit/public/web/WebDateTimeChooserParams.h" #include "third_party/WebKit/public/web/WebDevToolsAgent.h" #include "third_party/WebKit/public/web/WebDocument.h" #include "third_party/WebKit/public/web/WebElement.h" #include "third_party/WebKit/public/web/WebFileChooserParams.h" #include "third_party/WebKit/public/web/WebFindOptions.h" #include "third_party/WebKit/public/web/WebFormControlElement.h" #include "third_party/WebKit/public/web/WebFormElement.h" #include "third_party/WebKit/public/web/WebFrame.h" #include "third_party/WebKit/public/web/WebGlyphCache.h" #include "third_party/WebKit/public/web/WebHelperPlugin.h" #include "third_party/WebKit/public/web/WebHistoryItem.h" #include "third_party/WebKit/public/web/WebInputElement.h" #include "third_party/WebKit/public/web/WebInputEvent.h" #include "third_party/WebKit/public/web/WebMediaPlayerAction.h" #include "third_party/WebKit/public/web/WebNavigationPolicy.h" #include "third_party/WebKit/public/web/WebNodeList.h" #include "third_party/WebKit/public/web/WebPageSerializer.h" #include "third_party/WebKit/public/web/WebPlugin.h" #include "third_party/WebKit/public/web/WebPluginAction.h" #include "third_party/WebKit/public/web/WebPluginContainer.h" #include "third_party/WebKit/public/web/WebPluginDocument.h" #include "third_party/WebKit/public/web/WebRange.h" #include "third_party/WebKit/public/web/WebRuntimeFeatures.h" #include "third_party/WebKit/public/web/WebScriptSource.h" #include "third_party/WebKit/public/web/WebSearchableFormData.h" #include "third_party/WebKit/public/web/WebSecurityOrigin.h" #include "third_party/WebKit/public/web/WebSecurityPolicy.h" #include "third_party/WebKit/public/web/WebSerializedScriptValue.h" #include "third_party/WebKit/public/web/WebSettings.h" #include "third_party/WebKit/public/web/WebUserGestureIndicator.h" #include "third_party/WebKit/public/web/WebUserMediaClient.h" #include "third_party/WebKit/public/web/WebView.h" #include "third_party/WebKit/public/web/WebWindowFeatures.h" #include "third_party/WebKit/public/web/default/WebRenderTheme.h" #include "ui/base/ui_base_switches_util.h" #include "ui/events/latency_info.h" #include "ui/gfx/native_widget_types.h" #include "ui/gfx/point.h" #include "ui/gfx/rect.h" #include "ui/gfx/rect_conversions.h" #include "ui/gfx/size_conversions.h" #include "ui/shell_dialogs/selected_file_info.h" #include "v8/include/v8.h" #include "webkit/child/weburlresponse_extradata_impl.h" #if defined(OS_ANDROID) #include #include "content/common/android/device_telephony_info.h" #include "content/common/gpu/client/context_provider_command_buffer.h" #include "content/renderer/android/address_detector.h" #include "content/renderer/android/content_detector.h" #include "content/renderer/android/email_detector.h" #include "content/renderer/android/phone_number_detector.h" #include "content/renderer/android/synchronous_compositor_factory.h" #include "content/renderer/media/android/renderer_media_player_manager.h" #include "content/renderer/media/android/stream_texture_factory_android_impl.h" #include "content/renderer/media/android/webmediaplayer_android.h" #include "skia/ext/platform_canvas.h" #include "third_party/WebKit/public/platform/WebFloatPoint.h" #include "third_party/WebKit/public/platform/WebFloatRect.h" #include "third_party/WebKit/public/web/WebHitTestResult.h" #include "ui/gfx/rect_f.h" #if defined(GOOGLE_TV) #include "content/renderer/media/rtc_video_decoder_bridge_tv.h" #include "content/renderer/media/rtc_video_decoder_factory_tv.h" #endif #elif defined(OS_WIN) // TODO(port): these files are currently Windows only because they concern: // * theming #include "ui/native_theme/native_theme_win.h" #elif defined(USE_X11) #include "ui/native_theme/native_theme.h" #elif defined(OS_MACOSX) #include "skia/ext/skia_utils_mac.h" #endif #if defined(ENABLE_PLUGINS) #include "content/renderer/npapi/webplugin_delegate_proxy.h" #include "content/renderer/pepper/pepper_plugin_instance_impl.h" #include "content/renderer/pepper/pepper_plugin_registry.h" #endif #if defined(ENABLE_WEBRTC) #include "content/renderer/media/rtc_peer_connection_handler.h" #endif using blink::WebAXObject; using blink::WebApplicationCacheHost; using blink::WebApplicationCacheHostClient; using blink::WebCString; using blink::WebColor; using blink::WebColorName; using blink::WebConsoleMessage; using blink::WebContextMenuData; using blink::WebCookieJar; using blink::WebData; using blink::WebDataSource; using blink::WebDocument; using blink::WebDOMEvent; using blink::WebDOMMessageEvent; using blink::WebDragData; using blink::WebDragOperation; using blink::WebDragOperationsMask; using blink::WebElement; using blink::WebExternalPopupMenu; using blink::WebExternalPopupMenuClient; using blink::WebFileChooserCompletion; using blink::WebFindOptions; using blink::WebFormControlElement; using blink::WebFormElement; using blink::WebFrame; using blink::WebGestureEvent; using blink::WebHistoryItem; using blink::WebHTTPBody; using blink::WebIconURL; using blink::WebImage; using blink::WebInputElement; using blink::WebInputEvent; using blink::WebMediaPlayer; using blink::WebMediaPlayerAction; using blink::WebMediaPlayerClient; using blink::WebMouseEvent; using blink::WebNavigationPolicy; using blink::WebNavigationType; using blink::WebNode; using blink::WebPageSerializer; using blink::WebPageSerializerClient; using blink::WebPeerConnection00Handler; using blink::WebPeerConnection00HandlerClient; using blink::WebPeerConnectionHandler; using blink::WebPeerConnectionHandlerClient; using blink::WebPluginAction; using blink::WebPluginContainer; using blink::WebPluginDocument; using blink::WebPoint; using blink::WebPopupMenuInfo; using blink::WebRange; using blink::WebRect; using blink::WebReferrerPolicy; using blink::WebRuntimeFeatures; using blink::WebScriptSource; using blink::WebSearchableFormData; using blink::WebSecurityOrigin; using blink::WebSecurityPolicy; using blink::WebSerializedScriptValue; using blink::WebSettings; using blink::WebSize; using blink::WebSocketStreamHandle; using blink::WebStorageNamespace; using blink::WebStorageQuotaCallbacks; using blink::WebStorageQuotaError; using blink::WebStorageQuotaType; using blink::WebString; using blink::WebTextAffinity; using blink::WebTextDirection; using blink::WebTouchEvent; using blink::WebURL; using blink::WebURLError; using blink::WebURLRequest; using blink::WebURLResponse; using blink::WebUserGestureIndicator; using blink::WebVector; using blink::WebView; using blink::WebWidget; using blink::WebWindowFeatures; using base::Time; using base::TimeDelta; using webkit_glue::WebURLResponseExtraDataImpl; #if defined(OS_ANDROID) using blink::WebContentDetectionResult; using blink::WebFloatPoint; using blink::WebFloatRect; using blink::WebHitTestResult; #endif namespace content { //----------------------------------------------------------------------------- typedef std::map ViewMap; static base::LazyInstance g_view_map = LAZY_INSTANCE_INITIALIZER; typedef std::map RoutingIDViewMap; static base::LazyInstance g_routing_id_view_map = LAZY_INSTANCE_INITIALIZER; // Time, in seconds, we delay before sending content state changes (such as form // state and scroll position) to the browser. We delay sending changes to avoid // spamming the browser. // To avoid having tab/session restore require sending a message to get the // current content state during tab closing we use a shorter timeout for the // foreground renderer. This means there is a small window of time from which // content state is modified and not sent to session restore, but this is // better than having to wake up all renderers during shutdown. const int kDelaySecondsForContentStateSyncHidden = 5; const int kDelaySecondsForContentStateSync = 1; const size_t kExtraCharsBeforeAndAfterSelection = 100; const float kScalingIncrementForGesture = 0.01f; #if defined(OS_ANDROID) // Delay between tapping in content and launching the associated android intent. // Used to allow users see what has been recognized as content. const size_t kContentIntentDelayMilliseconds = 700; #endif static RenderViewImpl* (*g_create_render_view_impl)(RenderViewImplParams*) = NULL; static void GetRedirectChain(WebDataSource* ds, std::vector* result) { // Replace any occurrences of swappedout:// with about:blank. const WebURL& blank_url = GURL(kAboutBlankURL); WebVector urls; ds->redirectChain(urls); result->reserve(urls.size()); for (size_t i = 0; i < urls.size(); ++i) { if (urls[i] != GURL(kSwappedOutURL)) result->push_back(urls[i]); else result->push_back(blank_url); } } // If |data_source| is non-null and has an InternalDocumentStateData associated // with it, the AltErrorPageResourceFetcher is reset. static void StopAltErrorPageFetcher(WebDataSource* data_source) { if (data_source) { InternalDocumentStateData* internal_data = InternalDocumentStateData::FromDataSource(data_source); if (internal_data) internal_data->set_alt_error_page_fetcher(NULL); } } static bool IsReload(const ViewMsg_Navigate_Params& params) { return params.navigation_type == ViewMsg_Navigate_Type::RELOAD || params.navigation_type == ViewMsg_Navigate_Type::RELOAD_IGNORING_CACHE || params.navigation_type == ViewMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL; } // static WebReferrerPolicy RenderViewImpl::GetReferrerPolicyFromRequest( WebFrame* frame, const WebURLRequest& request) { return request.extraData() ? static_cast(request.extraData())->referrer_policy() : frame->document().referrerPolicy(); } // static Referrer RenderViewImpl::GetReferrerFromRequest( WebFrame* frame, const WebURLRequest& request) { return Referrer(GURL(request.httpHeaderField(WebString::fromUTF8("Referer"))), GetReferrerPolicyFromRequest(frame, request)); } // static WebURLResponseExtraDataImpl* RenderViewImpl::GetExtraDataFromResponse( const WebURLResponse& response) { return static_cast( response.extraData()); } NOINLINE static void CrashIntentionally() { // NOTE(shess): Crash directly rather than using NOTREACHED() so // that the signature is easier to triage in crash reports. volatile int* zero = NULL; *zero = 0; } #if defined(ADDRESS_SANITIZER) NOINLINE static void MaybeTriggerAsanError(const GURL& url) { // NOTE(rogerm): We intentionally perform an invalid heap access here in // order to trigger an Address Sanitizer (ASAN) error report. static const char kCrashDomain[] = "crash"; static const char kHeapOverflow[] = "/heap-overflow"; static const char kHeapUnderflow[] = "/heap-underflow"; static const char kUseAfterFree[] = "/use-after-free"; static const int kArraySize = 5; if (!url.DomainIs(kCrashDomain, sizeof(kCrashDomain) - 1)) return; if (!url.has_path()) return; scoped_ptr array(new int[kArraySize]); std::string crash_type(url.path()); int dummy = 0; if (crash_type == kHeapOverflow) { dummy = array[kArraySize]; } else if (crash_type == kHeapUnderflow ) { dummy = array[-1]; } else if (crash_type == kUseAfterFree) { int* dangling = array.get(); array.reset(); dummy = dangling[kArraySize / 2]; } // Make sure the assignments to the dummy value aren't optimized away. base::debug::Alias(&dummy); } #endif // ADDRESS_SANITIZER static void MaybeHandleDebugURL(const GURL& url) { if (!url.SchemeIs(chrome::kChromeUIScheme)) return; if (url == GURL(kChromeUICrashURL)) { CrashIntentionally(); } else if (url == GURL(kChromeUIKillURL)) { base::KillProcess(base::GetCurrentProcessHandle(), 1, false); } else if (url == GURL(kChromeUIHangURL)) { for (;;) { base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(1)); } } else if (url == GURL(kChromeUIShorthangURL)) { base::PlatformThread::Sleep(base::TimeDelta::FromSeconds(20)); } #if defined(ADDRESS_SANITIZER) MaybeTriggerAsanError(url); #endif // ADDRESS_SANITIZER } // Returns false unless this is a top-level navigation. static bool IsTopLevelNavigation(WebFrame* frame) { return frame->parent() == NULL; } // Returns false unless this is a top-level navigation that crosses origins. static bool IsNonLocalTopLevelNavigation(const GURL& url, WebFrame* frame, WebNavigationType type, bool is_form_post) { if (!IsTopLevelNavigation(frame)) return false; // Navigations initiated within Webkit are not sent out to the external host // in the following cases. // 1. The url scheme is not http/https // 2. The origin of the url and the opener is the same in which case the // opener relationship is maintained. // 3. Reloads/form submits/back forward navigations if (!url.SchemeIs(kHttpScheme) && !url.SchemeIs(kHttpsScheme)) return false; if (type != blink::WebNavigationTypeReload && type != blink::WebNavigationTypeBackForward && !is_form_post) { // The opener relationship between the new window and the parent allows the // new window to script the parent and vice versa. This is not allowed if // the origins of the two domains are different. This can be treated as a // top level navigation and routed back to the host. blink::WebFrame* opener = frame->opener(); if (!opener) return true; if (url.GetOrigin() != GURL(opener->document().url()).GetOrigin()) return true; } return false; } static void NotifyTimezoneChange(blink::WebFrame* frame) { v8::HandleScope handle_scope(v8::Isolate::GetCurrent()); v8::Context::Scope context_scope(frame->mainWorldScriptContext()); v8::Date::DateTimeConfigurationChangeNotification(v8::Isolate::GetCurrent()); blink::WebFrame* child = frame->firstChild(); for (; child; child = child->nextSibling()) NotifyTimezoneChange(child); } static WindowOpenDisposition NavigationPolicyToDisposition( WebNavigationPolicy policy) { switch (policy) { case blink::WebNavigationPolicyIgnore: return IGNORE_ACTION; case blink::WebNavigationPolicyDownload: return SAVE_TO_DISK; case blink::WebNavigationPolicyCurrentTab: return CURRENT_TAB; case blink::WebNavigationPolicyNewBackgroundTab: return NEW_BACKGROUND_TAB; case blink::WebNavigationPolicyNewForegroundTab: return NEW_FOREGROUND_TAB; case blink::WebNavigationPolicyNewWindow: return NEW_WINDOW; case blink::WebNavigationPolicyNewPopup: return NEW_POPUP; default: NOTREACHED() << "Unexpected WebNavigationPolicy"; return IGNORE_ACTION; } } // Returns true if the device scale is high enough that losing subpixel // antialiasing won't have a noticeable effect on text quality. static bool DeviceScaleEnsuresTextQuality(float device_scale_factor) { #if defined(OS_ANDROID) // On Android, we never have subpixel antialiasing. return true; #else return device_scale_factor > 1.5f; #endif } static bool ShouldUseFixedPositionCompositing(float device_scale_factor) { // Compositing for fixed-position elements is dependent on // device_scale_factor if no flag is set. http://crbug.com/172738 const CommandLine& command_line = *CommandLine::ForCurrentProcess(); if (command_line.HasSwitch(switches::kDisableCompositingForFixedPosition)) return false; if (command_line.HasSwitch(switches::kEnableCompositingForFixedPosition)) return true; return DeviceScaleEnsuresTextQuality(device_scale_factor); } static bool ShouldUseAcceleratedCompositingForOverflowScroll( float device_scale_factor) { const CommandLine& command_line = *CommandLine::ForCurrentProcess(); if (command_line.HasSwitch(switches::kDisableAcceleratedOverflowScroll)) return false; if (command_line.HasSwitch(switches::kEnableAcceleratedOverflowScroll)) return true; return DeviceScaleEnsuresTextQuality(device_scale_factor); } static bool ShouldUseAcceleratedCompositingForScrollableFrames( float device_scale_factor) { const CommandLine& command_line = *CommandLine::ForCurrentProcess(); if (command_line.HasSwitch(switches::kDisableAcceleratedScrollableFrames)) return false; if (command_line.HasSwitch(switches::kEnableAcceleratedScrollableFrames)) return true; if (!cc::switches::IsLCDTextEnabled()) return true; return DeviceScaleEnsuresTextQuality(device_scale_factor); } static bool ShouldUseCompositedScrollingForFrames( float device_scale_factor) { const CommandLine& command_line = *CommandLine::ForCurrentProcess(); if (command_line.HasSwitch(switches::kDisableCompositedScrollingForFrames)) return false; if (command_line.HasSwitch(switches::kEnableCompositedScrollingForFrames)) return true; if (!cc::switches::IsLCDTextEnabled()) return true; return DeviceScaleEnsuresTextQuality(device_scale_factor); } static bool ShouldUseUniversalAcceleratedCompositingForOverflowScroll() { const CommandLine& command_line = *CommandLine::ForCurrentProcess(); if (command_line.HasSwitch( switches::kDisableUniversalAcceleratedOverflowScroll)) return false; if (command_line.HasSwitch( switches::kEnableUniversalAcceleratedOverflowScroll)) return true; return false; } static bool ShouldUseTransitionCompositing(float device_scale_factor) { const CommandLine& command_line = *CommandLine::ForCurrentProcess(); if (command_line.HasSwitch(switches::kDisableCompositingForTransition)) return false; if (command_line.HasSwitch(switches::kEnableCompositingForTransition)) return true; // TODO(ajuma): Re-enable this by default for high-DPI once the problem // of excessive layer promotion caused by overlap has been addressed. // http://crbug.com/178119. return false; } static bool ShouldUseAcceleratedFixedRootBackground(float device_scale_factor) { const CommandLine& command_line = *CommandLine::ForCurrentProcess(); if (command_line.HasSwitch(switches::kDisableAcceleratedFixedRootBackground)) return false; if (command_line.HasSwitch(switches::kEnableAcceleratedFixedRootBackground)) return true; return DeviceScaleEnsuresTextQuality(device_scale_factor); } static FaviconURL::IconType ToFaviconType(blink::WebIconURL::Type type) { switch (type) { case blink::WebIconURL::TypeFavicon: return FaviconURL::FAVICON; case blink::WebIconURL::TypeTouch: return FaviconURL::TOUCH_ICON; case blink::WebIconURL::TypeTouchPrecomposed: return FaviconURL::TOUCH_PRECOMPOSED_ICON; case blink::WebIconURL::TypeInvalid: return FaviconURL::INVALID_ICON; } return FaviconURL::INVALID_ICON; } /////////////////////////////////////////////////////////////////////////////// struct RenderViewImpl::PendingFileChooser { PendingFileChooser(const FileChooserParams& p, WebFileChooserCompletion* c) : params(p), completion(c) { } FileChooserParams params; WebFileChooserCompletion* completion; // MAY BE NULL to skip callback. }; namespace { class WebWidgetLockTarget : public MouseLockDispatcher::LockTarget { public: explicit WebWidgetLockTarget(blink::WebWidget* webwidget) : webwidget_(webwidget) {} virtual void OnLockMouseACK(bool succeeded) OVERRIDE { if (succeeded) webwidget_->didAcquirePointerLock(); else webwidget_->didNotAcquirePointerLock(); } virtual void OnMouseLockLost() OVERRIDE { webwidget_->didLosePointerLock(); } virtual bool HandleMouseLockedInputEvent( const blink::WebMouseEvent &event) OVERRIDE { // The WebWidget handles mouse lock in WebKit's handleInputEvent(). return false; } private: blink::WebWidget* webwidget_; }; int64 ExtractPostId(const WebHistoryItem& item) { if (item.isNull()) return -1; if (item.httpBody().isNull()) return -1; return item.httpBody().identifier(); } bool TouchEnabled() { // Based on the definition of chrome::kEnableTouchIcon. #if defined(OS_ANDROID) return true; #else return false; #endif } WebDragData DropDataToWebDragData(const DropData& drop_data) { std::vector item_list; // These fields are currently unused when dragging into WebKit. DCHECK(drop_data.download_metadata.empty()); DCHECK(drop_data.file_contents.empty()); DCHECK(drop_data.file_description_filename.empty()); if (!drop_data.text.is_null()) { WebDragData::Item item; item.storageType = WebDragData::Item::StorageTypeString; item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeText); item.stringData = drop_data.text.string(); item_list.push_back(item); } // TODO(dcheng): Do we need to distinguish between null and empty URLs? Is it // meaningful to write an empty URL to the clipboard? if (!drop_data.url.is_empty()) { WebDragData::Item item; item.storageType = WebDragData::Item::StorageTypeString; item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeURIList); item.stringData = WebString::fromUTF8(drop_data.url.spec()); item.title = drop_data.url_title; item_list.push_back(item); } if (!drop_data.html.is_null()) { WebDragData::Item item; item.storageType = WebDragData::Item::StorageTypeString; item.stringType = WebString::fromUTF8(ui::Clipboard::kMimeTypeHTML); item.stringData = drop_data.html.string(); item.baseURL = drop_data.html_base_url; item_list.push_back(item); } for (std::vector::const_iterator it = drop_data.filenames.begin(); it != drop_data.filenames.end(); ++it) { WebDragData::Item item; item.storageType = WebDragData::Item::StorageTypeFilename; item.filenameData = it->path; item.displayNameData = it->display_name; item_list.push_back(item); } for (std::map::const_iterator it = drop_data.custom_data.begin(); it != drop_data.custom_data.end(); ++it) { WebDragData::Item item; item.storageType = WebDragData::Item::StorageTypeString; item.stringType = it->first; item.stringData = it->second; item_list.push_back(item); } WebDragData result; result.initialize(); result.setItems(item_list); result.setFilesystemId(drop_data.filesystem_id); return result; } } // namespace RenderViewImpl::RenderViewImpl(RenderViewImplParams* params) : RenderWidget(blink::WebPopupTypeNone, params->screen_info, params->swapped_out, params->hidden), webkit_preferences_(params->webkit_prefs), send_content_state_immediately_(false), enabled_bindings_(0), send_preferred_size_changes_(false), is_loading_(false), navigation_gesture_(NavigationGestureUnknown), opened_by_user_gesture_(true), opener_suppressed_(false), suppress_dialogs_until_swap_out_(false), page_id_(-1), last_page_id_sent_to_browser_(-1), next_page_id_(params->next_page_id), history_list_offset_(-1), history_list_length_(0), target_url_status_(TARGET_NONE), selection_text_offset_(0), selection_range_(gfx::Range::InvalidRange()), #if defined(OS_ANDROID) top_controls_constraints_(cc::BOTH), #endif cached_is_main_frame_pinned_to_left_(false), cached_is_main_frame_pinned_to_right_(false), cached_has_main_frame_horizontal_scrollbar_(false), cached_has_main_frame_vertical_scrollbar_(false), cookie_jar_(this), notification_provider_(NULL), geolocation_dispatcher_(NULL), input_tag_speech_dispatcher_(NULL), speech_recognition_dispatcher_(NULL), media_stream_dispatcher_(NULL), browser_plugin_manager_(NULL), media_stream_client_(NULL), web_user_media_client_(NULL), midi_dispatcher_(NULL), devtools_agent_(NULL), accessibility_mode_(AccessibilityModeOff), renderer_accessibility_(NULL), mouse_lock_dispatcher_(NULL), #if defined(OS_ANDROID) body_background_color_(SK_ColorWHITE), expected_content_intent_id_(0), media_player_manager_(NULL), #endif #if defined(OS_WIN) focused_plugin_id_(-1), #endif #if defined(ENABLE_PLUGINS) focused_pepper_plugin_(NULL), pepper_last_mouse_event_target_(NULL), #endif enumeration_completion_id_(0), load_progress_tracker_(new LoadProgressTracker(this)), session_storage_namespace_id_(params->session_storage_namespace_id), handling_select_range_(false), next_snapshot_id_(0), allow_partial_swap_(params->allow_partial_swap), context_menu_source_type_(ui::MENU_SOURCE_MOUSE) { } void RenderViewImpl::Initialize(RenderViewImplParams* params) { routing_id_ = params->routing_id; surface_id_ = params->surface_id; if (params->opener_id != MSG_ROUTING_NONE && params->is_renderer_created) opener_id_ = params->opener_id; // Ensure we start with a valid next_page_id_ from the browser. DCHECK_GE(next_page_id_, 0); #if defined(ENABLE_NOTIFICATIONS) notification_provider_ = new NotificationProvider(this); #else notification_provider_ = NULL; #endif webwidget_ = WebView::create(this); webwidget_mouse_lock_target_.reset(new WebWidgetLockTarget(webwidget_)); const CommandLine& command_line = *CommandLine::ForCurrentProcess(); if (command_line.HasSwitch(switches::kStatsCollectionController)) stats_collection_observer_.reset(new StatsCollectionObserver(this)); #if defined(OS_ANDROID) content::DeviceTelephonyInfo device_info; const std::string region_code = command_line.HasSwitch(switches::kNetworkCountryIso) ? command_line.GetSwitchValueASCII(switches::kNetworkCountryIso) : device_info.GetNetworkCountryIso(); content_detectors_.push_back(linked_ptr( new AddressDetector())); content_detectors_.push_back(linked_ptr( new PhoneNumberDetector(region_code))); content_detectors_.push_back(linked_ptr( new EmailDetector())); #endif RenderThread::Get()->AddRoute(routing_id_, this); // Take a reference on behalf of the RenderThread. This will be balanced // when we receive ViewMsg_ClosePage. AddRef(); if (is_hidden_) RenderThread::Get()->WidgetHidden(); // If this is a popup, we must wait for the CreatingNew_ACK message before // completing initialization. Otherwise, we can finish it now. if (opener_id_ == MSG_ROUTING_NONE) { did_show_ = true; CompleteInit(); } g_view_map.Get().insert(std::make_pair(webview(), this)); g_routing_id_view_map.Get().insert(std::make_pair(routing_id_, this)); webview()->setDeviceScaleFactor(device_scale_factor_); webview()->settings()->setAcceleratedCompositingForFixedPositionEnabled( ShouldUseFixedPositionCompositing(device_scale_factor_)); webview()->settings()->setAcceleratedCompositingForOverflowScrollEnabled( ShouldUseAcceleratedCompositingForOverflowScroll(device_scale_factor_)); webview()->settings()->setCompositorDrivenAcceleratedScrollingEnabled( ShouldUseUniversalAcceleratedCompositingForOverflowScroll()); webview()->settings()->setAcceleratedCompositingForTransitionEnabled( ShouldUseTransitionCompositing(device_scale_factor_)); webview()->settings()->setAcceleratedCompositingForFixedRootBackgroundEnabled( ShouldUseAcceleratedFixedRootBackground(device_scale_factor_)); webview()->settings()->setAcceleratedCompositingForScrollableFramesEnabled( ShouldUseAcceleratedCompositingForScrollableFrames(device_scale_factor_)); webview()->settings()->setCompositedScrollingForFramesEnabled( ShouldUseCompositedScrollingForFrames(device_scale_factor_)); ApplyWebPreferences(webkit_preferences_, webview()); main_render_frame_.reset( RenderFrameImpl::Create(this, params->main_frame_routing_id)); // The main frame WebFrame object is closed by // RenderViewImpl::frameDetached(). webview()->setMainFrame(WebFrame::create(main_render_frame_.get())); if (switches::IsTouchDragDropEnabled()) webview()->settings()->setTouchDragDropEnabled(true); if (switches::IsTouchEditingEnabled()) webview()->settings()->setTouchEditingEnabled(true); if (!params->frame_name.empty()) webview()->mainFrame()->setName(params->frame_name); OnSetRendererPrefs(params->renderer_prefs); #if defined(ENABLE_WEBRTC) if (!media_stream_dispatcher_) media_stream_dispatcher_ = new MediaStreamDispatcher(this); #endif new MHTMLGenerator(this); #if defined(OS_MACOSX) new TextInputClientObserver(this); #endif // defined(OS_MACOSX) new SharedWorkerRepository(this); #if defined(OS_ANDROID) media_player_manager_ = new RendererMediaPlayerManager(this); new JavaBridgeDispatcher(this); #endif // The next group of objects all implement RenderViewObserver, so are deleted // along with the RenderView automatically. devtools_agent_ = new DevToolsAgent(this); if (RenderWidgetCompositor* rwc = compositor()) { webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId()); } mouse_lock_dispatcher_ = new RenderViewMouseLockDispatcher(this); new ImageLoadingHelper(this); // Create renderer_accessibility_ if needed. OnSetAccessibilityMode(params->accessibility_mode); new IdleUserDetector(this); if (command_line.HasSwitch(switches::kDomAutomationController)) enabled_bindings_ |= BINDINGS_POLICY_DOM_AUTOMATION; if (command_line.HasSwitch(switches::kStatsCollectionController)) enabled_bindings_ |= BINDINGS_POLICY_STATS_COLLECTION; ProcessViewLayoutFlags(command_line); GetContentClient()->renderer()->RenderViewCreated(this); // If we have an opener_id but we weren't created by a renderer, then // it's the browser asking us to set our opener to another RenderView. if (params->opener_id != MSG_ROUTING_NONE && !params->is_renderer_created) { RenderViewImpl* opener_view = FromRoutingID(params->opener_id); if (opener_view) webview()->mainFrame()->setOpener(opener_view->webview()->mainFrame()); } // If we are initially swapped out, navigate to kSwappedOutURL. // This ensures we are in a unique origin that others cannot script. if (is_swapped_out_) NavigateToSwappedOutURL(webview()->mainFrame()); } RenderViewImpl::~RenderViewImpl() { history_page_ids_.clear(); base::debug::TraceLog::GetInstance()->RemoveProcessLabel(routing_id_); // If file chooser is still waiting for answer, dispatch empty answer. while (!file_chooser_completions_.empty()) { if (file_chooser_completions_.front()->completion) { file_chooser_completions_.front()->completion->didChooseFile( WebVector()); } file_chooser_completions_.pop_front(); } #if defined(OS_ANDROID) // The date/time picker client is both a scoped_ptr member of this class and // a RenderViewObserver. Reset it to prevent double deletion. date_time_picker_client_.reset(); #endif #ifndef NDEBUG // Make sure we are no longer referenced by the ViewMap or RoutingIDViewMap. ViewMap* views = g_view_map.Pointer(); for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) DCHECK_NE(this, it->second) << "Failed to call Close?"; RoutingIDViewMap* routing_id_views = g_routing_id_view_map.Pointer(); for (RoutingIDViewMap::iterator it = routing_id_views->begin(); it != routing_id_views->end(); ++it) DCHECK_NE(this, it->second) << "Failed to call Close?"; #endif FOR_EACH_OBSERVER(RenderViewObserver, observers_, RenderViewGone()); FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnDestruct()); } /*static*/ RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) { ViewMap* views = g_view_map.Pointer(); ViewMap::iterator it = views->find(webview); return it == views->end() ? NULL : it->second; } /*static*/ RenderView* RenderView::FromWebView(blink::WebView* webview) { return RenderViewImpl::FromWebView(webview); } /*static*/ RenderViewImpl* RenderViewImpl::FromRoutingID(int32 routing_id) { RoutingIDViewMap* views = g_routing_id_view_map.Pointer(); RoutingIDViewMap::iterator it = views->find(routing_id); return it == views->end() ? NULL : it->second; } /*static*/ RenderView* RenderView::FromRoutingID(int routing_id) { return RenderViewImpl::FromRoutingID(routing_id); } /*static*/ void RenderView::ForEach(RenderViewVisitor* visitor) { ViewMap* views = g_view_map.Pointer(); for (ViewMap::iterator it = views->begin(); it != views->end(); ++it) { if (!visitor->Visit(it->second)) return; } } /*static*/ RenderViewImpl* RenderViewImpl::Create( int32 opener_id, const RendererPreferences& renderer_prefs, const WebPreferences& webkit_prefs, int32 routing_id, int32 main_frame_routing_id, int32 surface_id, int64 session_storage_namespace_id, const base::string16& frame_name, bool is_renderer_created, bool swapped_out, bool hidden, int32 next_page_id, const blink::WebScreenInfo& screen_info, AccessibilityMode accessibility_mode, bool allow_partial_swap) { DCHECK(routing_id != MSG_ROUTING_NONE); RenderViewImplParams params( opener_id, renderer_prefs, webkit_prefs, routing_id, main_frame_routing_id, surface_id, session_storage_namespace_id, frame_name, is_renderer_created, swapped_out, hidden, next_page_id, screen_info, accessibility_mode, allow_partial_swap); RenderViewImpl* render_view = NULL; if (g_create_render_view_impl) render_view = g_create_render_view_impl(¶ms); else render_view = new RenderViewImpl(¶ms); render_view->Initialize(¶ms); return render_view; } // static void RenderViewImpl::InstallCreateHook( RenderViewImpl* (*create_render_view_impl)(RenderViewImplParams*)) { CHECK(!g_create_render_view_impl); g_create_render_view_impl = create_render_view_impl; } void RenderViewImpl::AddObserver(RenderViewObserver* observer) { observers_.AddObserver(observer); } void RenderViewImpl::RemoveObserver(RenderViewObserver* observer) { observer->RenderViewGone(); observers_.RemoveObserver(observer); } blink::WebView* RenderViewImpl::webview() const { return static_cast(webwidget()); } #if defined(ENABLE_PLUGINS) void RenderViewImpl::RegisterPluginDelegate(WebPluginDelegateProxy* delegate) { plugin_delegates_.insert(delegate); // If the renderer is visible, set initial visibility and focus state. if (!is_hidden()) { #if defined(OS_MACOSX) delegate->SetContainerVisibility(true); if (webview() && webview()->isActive()) delegate->SetWindowFocus(true); #endif } // Plugins start assuming the content has focus (so that they work in // environments where RenderView isn't hosting them), so we always have to // set the initial state. See webplugin_delegate_impl.h for details. delegate->SetContentAreaFocus(has_focus()); } void RenderViewImpl::UnregisterPluginDelegate( WebPluginDelegateProxy* delegate) { plugin_delegates_.erase(delegate); } #if defined(OS_WIN) void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) { if (focused) focused_plugin_id_ = plugin_id; else focused_plugin_id_ = -1; } #endif #if defined(OS_MACOSX) void RenderViewImpl::PluginFocusChanged(bool focused, int plugin_id) { Send(new ViewHostMsg_PluginFocusChanged(routing_id(), focused, plugin_id)); } void RenderViewImpl::StartPluginIme() { IPC::Message* msg = new ViewHostMsg_StartPluginIme(routing_id()); // This message can be sent during event-handling, and needs to be delivered // within that context. msg->set_unblock(true); Send(msg); } #endif // defined(OS_MACOSX) #endif // ENABLE_PLUGINS void RenderViewImpl::TransferActiveWheelFlingAnimation( const blink::WebActiveWheelFlingParameters& params) { if (webview()) webview()->transferActiveWheelFlingAnimation(params); } bool RenderViewImpl::HasIMETextFocus() { return GetTextInputType() != ui::TEXT_INPUT_TYPE_NONE; } bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) { WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL; if (main_frame) GetContentClient()->SetActiveURL(main_frame->document().url()); ObserverListBase::Iterator it(observers_); RenderViewObserver* observer; while ((observer = it.GetNext()) != NULL) if (observer->OnMessageReceived(message)) return true; bool handled = true; bool msg_is_ok = true; IPC_BEGIN_MESSAGE_MAP_EX(RenderViewImpl, message, msg_is_ok) IPC_MESSAGE_HANDLER(InputMsg_Copy, OnCopy) IPC_MESSAGE_HANDLER(InputMsg_Cut, OnCut) IPC_MESSAGE_HANDLER(InputMsg_Delete, OnDelete) IPC_MESSAGE_HANDLER(InputMsg_ExecuteEditCommand, OnExecuteEditCommand) IPC_MESSAGE_HANDLER(InputMsg_MoveCaret, OnMoveCaret) IPC_MESSAGE_HANDLER(InputMsg_Paste, OnPaste) IPC_MESSAGE_HANDLER(InputMsg_PasteAndMatchStyle, OnPasteAndMatchStyle) IPC_MESSAGE_HANDLER(InputMsg_Redo, OnRedo) IPC_MESSAGE_HANDLER(InputMsg_Replace, OnReplace) IPC_MESSAGE_HANDLER(InputMsg_ReplaceMisspelling, OnReplaceMisspelling) IPC_MESSAGE_HANDLER(InputMsg_ScrollFocusedEditableNodeIntoRect, OnScrollFocusedEditableNodeIntoRect) IPC_MESSAGE_HANDLER(InputMsg_SelectAll, OnSelectAll) IPC_MESSAGE_HANDLER(InputMsg_SelectRange, OnSelectRange) IPC_MESSAGE_HANDLER(InputMsg_SetEditCommandsForNextKeyEvent, OnSetEditCommandsForNextKeyEvent) IPC_MESSAGE_HANDLER(InputMsg_Undo, OnUndo) IPC_MESSAGE_HANDLER(InputMsg_Unselect, OnUnselect) IPC_MESSAGE_HANDLER(ViewMsg_Navigate, OnNavigate) IPC_MESSAGE_HANDLER(ViewMsg_Stop, OnStop) IPC_MESSAGE_HANDLER(ViewMsg_ReloadFrame, OnReloadFrame) IPC_MESSAGE_HANDLER(ViewMsg_SetName, OnSetName) IPC_MESSAGE_HANDLER(ViewMsg_SetEditableSelectionOffsets, OnSetEditableSelectionOffsets) IPC_MESSAGE_HANDLER(ViewMsg_SetCompositionFromExistingText, OnSetCompositionFromExistingText) IPC_MESSAGE_HANDLER(ViewMsg_ExtendSelectionAndDelete, OnExtendSelectionAndDelete) IPC_MESSAGE_HANDLER(ViewMsg_CopyImageAt, OnCopyImageAt) IPC_MESSAGE_HANDLER(ViewMsg_Find, OnFind) IPC_MESSAGE_HANDLER(ViewMsg_StopFinding, OnStopFinding) IPC_MESSAGE_HANDLER(ViewMsg_Zoom, OnZoom) IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevel, OnSetZoomLevel) IPC_MESSAGE_HANDLER(ViewMsg_ZoomFactor, OnZoomFactor) IPC_MESSAGE_HANDLER(ViewMsg_SetZoomLevelForLoadingURL, OnSetZoomLevelForLoadingURL) IPC_MESSAGE_HANDLER(ViewMsg_SetPageEncoding, OnSetPageEncoding) IPC_MESSAGE_HANDLER(ViewMsg_ResetPageEncodingToDefault, OnResetPageEncodingToDefault) IPC_MESSAGE_HANDLER(ViewMsg_ScriptEvalRequest, OnScriptEvalRequest) IPC_MESSAGE_HANDLER(ViewMsg_PostMessageEvent, OnPostMessageEvent) IPC_MESSAGE_HANDLER(ViewMsg_CSSInsertRequest, OnCSSInsertRequest) IPC_MESSAGE_HANDLER(DragMsg_TargetDragEnter, OnDragTargetDragEnter) IPC_MESSAGE_HANDLER(DragMsg_TargetDragOver, OnDragTargetDragOver) IPC_MESSAGE_HANDLER(DragMsg_TargetDragLeave, OnDragTargetDragLeave) IPC_MESSAGE_HANDLER(DragMsg_TargetDrop, OnDragTargetDrop) IPC_MESSAGE_HANDLER(DragMsg_SourceEndedOrMoved, OnDragSourceEndedOrMoved) IPC_MESSAGE_HANDLER(DragMsg_SourceSystemDragEnded, OnDragSourceSystemDragEnded) IPC_MESSAGE_HANDLER(ViewMsg_AllowBindings, OnAllowBindings) IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus) IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck) IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences) IPC_MESSAGE_HANDLER(ViewMsg_TimezoneChange, OnUpdateTimezone) IPC_MESSAGE_HANDLER(ViewMsg_SetAltErrorPageURL, OnSetAltErrorPageURL) IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse, OnEnumerateDirectoryResponse) IPC_MESSAGE_HANDLER(ViewMsg_RunFileChooserResponse, OnFileChooserResponse) IPC_MESSAGE_HANDLER(ViewMsg_ShouldClose, OnShouldClose) IPC_MESSAGE_HANDLER(ViewMsg_SuppressDialogsUntilSwapOut, OnSuppressDialogsUntilSwapOut) IPC_MESSAGE_HANDLER(ViewMsg_SwapOut, OnSwapOut) IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage) IPC_MESSAGE_HANDLER(ViewMsg_ThemeChanged, OnThemeChanged) IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted) IPC_MESSAGE_HANDLER(ViewMsg_ClearFocusedNode, OnClearFocusedNode) IPC_MESSAGE_HANDLER(ViewMsg_SetBackground, OnSetBackground) IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode, OnEnablePreferredSizeChangedMode) IPC_MESSAGE_HANDLER(ViewMsg_EnableAutoResize, OnEnableAutoResize) IPC_MESSAGE_HANDLER(ViewMsg_DisableAutoResize, OnDisableAutoResize) IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows, OnDisableScrollbarsForSmallWindows) IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs) IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt) IPC_MESSAGE_HANDLER(ViewMsg_OrientationChangeEvent, OnOrientationChangeEvent) IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt) IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive) IPC_MESSAGE_HANDLER(ViewMsg_CustomContextMenuAction, OnCustomContextMenuAction) IPC_MESSAGE_HANDLER(ViewMsg_GetAllSavableResourceLinksForCurrentPage, OnGetAllSavableResourceLinksForCurrentPage) IPC_MESSAGE_HANDLER( ViewMsg_GetSerializedHtmlDataForCurrentPageWithLocalLinks, OnGetSerializedHtmlDataForCurrentPageWithLocalLinks) IPC_MESSAGE_HANDLER(ViewMsg_ContextMenuClosed, OnContextMenuClosed) IPC_MESSAGE_HANDLER(ViewMsg_ShowContextMenu, OnShowContextMenu) // TODO(viettrungluu): Move to a separate message filter. IPC_MESSAGE_HANDLER(ViewMsg_SetHistoryLengthAndPrune, OnSetHistoryLengthAndPrune) IPC_MESSAGE_HANDLER(ViewMsg_EnableViewSourceMode, OnEnableViewSourceMode) IPC_MESSAGE_HANDLER(ViewMsg_SetAccessibilityMode, OnSetAccessibilityMode) IPC_MESSAGE_HANDLER(ViewMsg_DisownOpener, OnDisownOpener) IPC_MESSAGE_HANDLER(ViewMsg_ReleaseDisambiguationPopupDIB, OnReleaseDisambiguationPopupDIB) IPC_MESSAGE_HANDLER(ViewMsg_WindowSnapshotCompleted, OnWindowSnapshotCompleted) #if defined(OS_ANDROID) IPC_MESSAGE_HANDLER(InputMsg_ActivateNearestFindResult, OnActivateNearestFindResult) IPC_MESSAGE_HANDLER(ViewMsg_FindMatchRects, OnFindMatchRects) IPC_MESSAGE_HANDLER(ViewMsg_SelectPopupMenuItems, OnSelectPopupMenuItems) IPC_MESSAGE_HANDLER(ViewMsg_UndoScrollFocusedEditableNodeIntoView, OnUndoScrollFocusedEditableNodeIntoRect) IPC_MESSAGE_HANDLER(ViewMsg_UpdateTopControlsState, OnUpdateTopControlsState) IPC_MESSAGE_HANDLER(ViewMsg_PauseVideo, OnPauseVideo) IPC_MESSAGE_HANDLER(ViewMsg_ExtractSmartClipData, OnExtractSmartClipData) #elif defined(OS_MACOSX) IPC_MESSAGE_HANDLER(InputMsg_CopyToFindPboard, OnCopyToFindPboard) IPC_MESSAGE_HANDLER(ViewMsg_PluginImeCompositionCompleted, OnPluginImeCompositionCompleted) IPC_MESSAGE_HANDLER(ViewMsg_SelectPopupMenuItem, OnSelectPopupMenuItem) IPC_MESSAGE_HANDLER(ViewMsg_SetInLiveResize, OnSetInLiveResize) IPC_MESSAGE_HANDLER(ViewMsg_SetWindowVisibility, OnSetWindowVisibility) IPC_MESSAGE_HANDLER(ViewMsg_WindowFrameChanged, OnWindowFrameChanged) #endif // Adding a new message? Add platform independent ones first, then put the // platform specific ones at the end. // Have the super handle all other messages. IPC_MESSAGE_UNHANDLED(handled = RenderWidget::OnMessageReceived(message)) IPC_END_MESSAGE_MAP() if (!msg_is_ok) { // The message had a handler, but its deserialization failed. // Kill the renderer to avoid potential spoofing attacks. CHECK(false) << "Unable to deserialize message in RenderViewImpl."; } return handled; } void RenderViewImpl::OnNavigate(const ViewMsg_Navigate_Params& params) { MaybeHandleDebugURL(params.url); if (!webview()) return; FOR_EACH_OBSERVER(RenderViewObserver, observers_, Navigate(params.url)); bool is_reload = IsReload(params); // If this is a stale back/forward (due to a recent navigation the browser // didn't know about), ignore it. if (IsBackForwardToStaleEntry(params, is_reload)) return; // Swap this renderer back in if necessary. if (is_swapped_out_) { // We marked the view as hidden when swapping the view out, so be sure to // reset the visibility state before navigating to the new URL. webview()->setVisibilityState(visibilityState(), false); // If this is an attempt to reload while we are swapped out, we should not // reload swappedout://, but the previous page, which is stored in // params.state. Setting is_reload to false will treat this like a back // navigation to accomplish that. is_reload = false; // We refresh timezone when a view is swapped in since timezone // can get out of sync when the system timezone is updated while // the view is swapped out. NotifyTimezoneChange(webview()->mainFrame()); SetSwappedOut(false); } if (params.should_clear_history_list) { CHECK_EQ(params.pending_history_list_offset, -1); CHECK_EQ(params.current_history_list_offset, -1); CHECK_EQ(params.current_history_list_length, 0); } history_list_offset_ = params.current_history_list_offset; history_list_length_ = params.current_history_list_length; if (history_list_length_ >= 0) history_page_ids_.resize(history_list_length_, -1); if (params.pending_history_list_offset >= 0 && params.pending_history_list_offset < history_list_length_) history_page_ids_[params.pending_history_list_offset] = params.page_id; GetContentClient()->SetActiveURL(params.url); WebFrame* frame = webview()->mainFrame(); if (!params.frame_to_navigate.empty()) { frame = webview()->findFrameByName( WebString::fromUTF8(params.frame_to_navigate)); CHECK(frame) << "Invalid frame name passed: " << params.frame_to_navigate; } if (is_reload && frame->currentHistoryItem().isNull()) { // We cannot reload if we do not have any history state. This happens, for // example, when recovering from a crash. Our workaround here is a bit of // a hack since it means that reload after a crashed tab does not cause an // end-to-end cache validation. is_reload = false; } pending_navigation_params_.reset(new ViewMsg_Navigate_Params(params)); // If we are reloading, then WebKit will use the history state of the current // page, so we should just ignore any given history state. Otherwise, if we // have history state, then we need to navigate to it, which corresponds to a // back/forward navigation event. if (is_reload) { bool reload_original_url = (params.navigation_type == ViewMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL); bool ignore_cache = (params.navigation_type == ViewMsg_Navigate_Type::RELOAD_IGNORING_CACHE); if (reload_original_url) frame->reloadWithOverrideURL(params.url, true); else frame->reload(ignore_cache); } else if (params.page_state.IsValid()) { // We must know the page ID of the page we are navigating back to. DCHECK_NE(params.page_id, -1); WebHistoryItem item = PageStateToHistoryItem(params.page_state); if (!item.isNull()) { // Ensure we didn't save the swapped out URL in UpdateState, since the // browser should never be telling us to navigate to swappedout://. CHECK(item.urlString() != WebString::fromUTF8(kSwappedOutURL)); frame->loadHistoryItem(item); } } else if (!params.base_url_for_data_url.is_empty()) { // A loadData request with a specified base URL. std::string mime_type, charset, data; if (net::DataURL::Parse(params.url, &mime_type, &charset, &data)) { frame->loadData( WebData(data.c_str(), data.length()), WebString::fromUTF8(mime_type), WebString::fromUTF8(charset), params.base_url_for_data_url, params.history_url_for_data_url, false); } else { CHECK(false) << "Invalid URL passed: " << params.url.possibly_invalid_spec(); } } else { // Navigate to the given URL. WebURLRequest request(params.url); // A session history navigation should have been accompanied by state. CHECK_EQ(params.page_id, -1); if (frame->isViewSourceModeEnabled()) request.setCachePolicy(WebURLRequest::ReturnCacheDataElseLoad); if (params.referrer.url.is_valid()) { WebString referrer = WebSecurityPolicy::generateReferrerHeader( params.referrer.policy, params.url, WebString::fromUTF8(params.referrer.url.spec())); if (!referrer.isEmpty()) request.setHTTPHeaderField(WebString::fromUTF8("Referer"), referrer); } if (!params.extra_headers.empty()) { for (net::HttpUtil::HeadersIterator i(params.extra_headers.begin(), params.extra_headers.end(), "\n"); i.GetNext(); ) { request.addHTTPHeaderField(WebString::fromUTF8(i.name()), WebString::fromUTF8(i.values())); } } if (params.is_post) { request.setHTTPMethod(WebString::fromUTF8("POST")); // Set post data. WebHTTPBody http_body; http_body.initialize(); const char* data = NULL; if (params.browser_initiated_post_data.size()) { data = reinterpret_cast( ¶ms.browser_initiated_post_data.front()); } http_body.appendData( WebData(data, params.browser_initiated_post_data.size())); request.setHTTPBody(http_body); } frame->loadRequest(request); // If this is a cross-process navigation, the browser process will send // along the proper navigation start value. if (!params.browser_navigation_start.is_null() && frame->provisionalDataSource()) { // browser_navigation_start is likely before this process existed, so we // can't use InterProcessTimeTicksConverter. Instead, the best we can do // is just ensure we don't report a bogus value in the future. base::TimeTicks navigation_start = std::min( base::TimeTicks::Now(), params.browser_navigation_start); double navigation_start_seconds = (navigation_start - base::TimeTicks()).InSecondsF(); frame->provisionalDataSource()->setNavigationStartTime( navigation_start_seconds); } } // In case LoadRequest failed before DidCreateDataSource was called. pending_navigation_params_.reset(); } bool RenderViewImpl::IsBackForwardToStaleEntry( const ViewMsg_Navigate_Params& params, bool is_reload) { // Make sure this isn't a back/forward to an entry we have already cropped // or replaced from our history, before the browser knew about it. If so, // a new navigation has committed in the mean time, and we can ignore this. bool is_back_forward = !is_reload && params.page_state.IsValid(); // Note: if the history_list_length_ is 0 for a back/forward, we must be // restoring from a previous session. We'll update our state in OnNavigate. if (!is_back_forward || history_list_length_ <= 0) return false; DCHECK_EQ(static_cast(history_page_ids_.size()), history_list_length_); // Check for whether the forward history has been cropped due to a recent // navigation the browser didn't know about. if (params.pending_history_list_offset >= history_list_length_) return true; // Check for whether this entry has been replaced with a new one. int expected_page_id = history_page_ids_[params.pending_history_list_offset]; if (expected_page_id > 0 && params.page_id != expected_page_id) { if (params.page_id < expected_page_id) return true; // Otherwise we've removed an earlier entry and should have shifted all // entries left. For now, it's ok to lazily update the list. // TODO(creis): Notify all live renderers when we remove entries from // the front of the list, so that we don't hit this case. history_page_ids_[params.pending_history_list_offset] = params.page_id; } return false; } // Stop loading the current page void RenderViewImpl::OnStop() { if (webview()) { WebFrame* main_frame = webview()->mainFrame(); // Stop the alt error page fetcher. If we let it continue it may complete // and cause RenderFrameHostManager to swap to this RenderView, even though // it may no longer be active. StopAltErrorPageFetcher(main_frame->provisionalDataSource()); StopAltErrorPageFetcher(main_frame->dataSource()); main_frame->stopLoading(); } } // Reload current focused frame. // E.g. called by right-clicking on the frame and picking "reload this frame". void RenderViewImpl::OnReloadFrame() { if (webview() && webview()->focusedFrame()) { // We always obey the cache (ignore_cache=false) here. // TODO(evanm): perhaps we could allow shift-clicking the menu item to do // a cache-ignoring reload of the frame. webview()->focusedFrame()->reload(false); } } void RenderViewImpl::OnCopyImageAt(int x, int y) { webview()->copyImageAt(WebPoint(x, y)); } void RenderViewImpl::OnUpdateTargetURLAck() { // Check if there is a targeturl waiting to be sent. if (target_url_status_ == TARGET_PENDING) { Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_, pending_target_url_)); } target_url_status_ = TARGET_NONE; } void RenderViewImpl::OnCopy() { if (!webview()) return; base::AutoReset handling_select_range(&handling_select_range_, true); WebNode current_node = context_menu_node_.isNull() ? GetFocusedNode() : context_menu_node_; webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Copy"), current_node); } void RenderViewImpl::OnCut() { if (!webview()) return; base::AutoReset handling_select_range(&handling_select_range_, true); webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Cut"), GetFocusedNode()); } void RenderViewImpl::OnDelete() { if (!webview()) return; webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Delete"), GetFocusedNode()); } void RenderViewImpl::OnExecuteEditCommand(const std::string& name, const std::string& value) { if (!webview() || !webview()->focusedFrame()) return; webview()->focusedFrame()->executeCommand( WebString::fromUTF8(name), WebString::fromUTF8(value)); } void RenderViewImpl::OnMoveCaret(const gfx::Point& point) { if (!webview()) return; Send(new ViewHostMsg_MoveCaret_ACK(routing_id_)); webview()->focusedFrame()->moveCaretSelection(point); } void RenderViewImpl::OnPaste() { if (!webview()) return; base::AutoReset handling_select_range(&handling_select_range_, true); webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Paste"), GetFocusedNode()); } void RenderViewImpl::OnPasteAndMatchStyle() { if (!webview()) return; base::AutoReset handling_select_range(&handling_select_range_, true); webview()->focusedFrame()->executeCommand( WebString::fromUTF8("PasteAndMatchStyle"), GetFocusedNode()); } void RenderViewImpl::OnRedo() { if (!webview()) return; webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Redo"), GetFocusedNode()); } void RenderViewImpl::OnReplace(const base::string16& text) { if (!webview()) return; WebFrame* frame = webview()->focusedFrame(); if (!frame->hasSelection()) frame->selectWordAroundCaret(); frame->replaceSelection(text); } void RenderViewImpl::OnReplaceMisspelling(const base::string16& text) { if (!webview()) return; WebFrame* frame = webview()->focusedFrame(); if (!frame->hasSelection()) return; frame->replaceMisspelledRange(text); } void RenderViewImpl::OnScrollFocusedEditableNodeIntoRect( const gfx::Rect& rect) { blink::WebNode node = GetFocusedNode(); if (!node.isNull()) { if (IsEditableNode(node)) { webview()->saveScrollAndScaleState(); webview()->scrollFocusedNodeIntoRect(rect); } } } void RenderViewImpl::OnSelectAll() { if (!webview()) return; base::AutoReset handling_select_range(&handling_select_range_, true); webview()->focusedFrame()->executeCommand( WebString::fromUTF8("SelectAll"), GetFocusedNode()); } void RenderViewImpl::OnSelectRange(const gfx::Point& start, const gfx::Point& end) { if (!webview()) return; Send(new ViewHostMsg_SelectRange_ACK(routing_id_)); base::AutoReset handling_select_range(&handling_select_range_, true); webview()->focusedFrame()->selectRange(start, end); } void RenderViewImpl::OnSetEditCommandsForNextKeyEvent( const EditCommands& edit_commands) { edit_commands_ = edit_commands; } void RenderViewImpl::OnUndo() { if (!webview()) return; webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Undo"), GetFocusedNode()); } void RenderViewImpl::OnUnselect() { if (!webview()) return; base::AutoReset handling_select_range(&handling_select_range_, true); webview()->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedNode()); } #if defined(OS_MACOSX) void RenderViewImpl::OnCopyToFindPboard() { if (!webview()) return; // Since the find pasteboard supports only plain text, this can be simpler // than the |OnCopy()| case. WebFrame* frame = webview()->focusedFrame(); if (frame->hasSelection()) { base::string16 selection = frame->selectionAsText(); RenderThread::Get()->Send( new ClipboardHostMsg_FindPboardWriteStringAsync(selection)); } } #endif void RenderViewImpl::OnSetName(const std::string& name) { if (!webview()) return; webview()->mainFrame()->setName(WebString::fromUTF8(name)); } void RenderViewImpl::OnSetEditableSelectionOffsets(int start, int end) { base::AutoReset handling_select_range(&handling_select_range_, true); if (!ShouldHandleImeEvent()) return; ImeEventGuard guard(this); webview()->setEditableSelectionOffsets(start, end); } void RenderViewImpl::OnSetCompositionFromExistingText( int start, int end, const std::vector& underlines) { if (!ShouldHandleImeEvent()) return; ImeEventGuard guard(this); webview()->setCompositionFromExistingText(start, end, underlines); } void RenderViewImpl::OnExtendSelectionAndDelete(int before, int after) { if (!ShouldHandleImeEvent()) return; ImeEventGuard guard(this); webview()->extendSelectionAndDelete(before, after); } void RenderViewImpl::OnSetHistoryLengthAndPrune(int history_length, int32 minimum_page_id) { DCHECK_GE(history_length, 0); DCHECK(history_list_offset_ == history_list_length_ - 1); DCHECK_GE(minimum_page_id, -1); // Generate the new list. std::vector new_history_page_ids(history_length, -1); for (size_t i = 0; i < history_page_ids_.size(); ++i) { if (minimum_page_id >= 0 && history_page_ids_[i] < minimum_page_id) continue; new_history_page_ids.push_back(history_page_ids_[i]); } new_history_page_ids.swap(history_page_ids_); // Update indexes. history_list_length_ = history_page_ids_.size(); history_list_offset_ = history_list_length_ - 1; } void RenderViewImpl::OnSetInitialFocus(bool reverse) { if (!webview()) return; webview()->setInitialFocus(reverse); } #if defined(OS_MACOSX) void RenderViewImpl::OnSetInLiveResize(bool in_live_resize) { if (!webview()) return; if (in_live_resize) webview()->willStartLiveResize(); else webview()->willEndLiveResize(); } #endif #if defined(OS_ANDROID) void RenderViewImpl::OnUndoScrollFocusedEditableNodeIntoRect() { const WebNode node = GetFocusedNode(); if (!node.isNull() && IsEditableNode(node)) webview()->restoreScrollAndScaleState(); } void RenderViewImpl::OnPauseVideo() { // Inform RendererMediaPlayerManager to release all video player resources. // If something is in progress the resource will not be freed, it will // only be freed once the tab is destroyed or if the user navigates away // via WebMediaPlayerAndroid::Destroy. media_player_manager_->ReleaseVideoResources(); } #endif /////////////////////////////////////////////////////////////////////////////// // Tell the embedding application that the URL of the active page has changed void RenderViewImpl::UpdateURL(WebFrame* frame) { WebDataSource* ds = frame->dataSource(); DCHECK(ds); const WebURLRequest& request = ds->request(); const WebURLRequest& original_request = ds->originalRequest(); const WebURLResponse& response = ds->response(); DocumentState* document_state = DocumentState::FromDataSource(ds); NavigationState* navigation_state = document_state->navigation_state(); InternalDocumentStateData* internal_data = InternalDocumentStateData::FromDocumentState(document_state); ViewHostMsg_FrameNavigate_Params params; params.http_status_code = response.httpStatusCode(); params.is_post = false; params.post_id = -1; params.page_id = page_id_; params.frame_id = frame->identifier(); params.frame_unique_name = frame->uniqueName(); params.socket_address.set_host(response.remoteIPAddress().utf8()); params.socket_address.set_port(response.remotePort()); WebURLResponseExtraDataImpl* extra_data = GetExtraDataFromResponse(response); if (extra_data) { params.was_fetched_via_proxy = extra_data->was_fetched_via_proxy(); } params.was_within_same_page = navigation_state->was_within_same_page(); params.security_info = response.securityInfo(); // Set the URL to be displayed in the browser UI to the user. params.url = GetLoadingUrl(frame); DCHECK(!is_swapped_out_ || params.url == GURL(kSwappedOutURL)); if (frame->document().baseURL() != params.url) params.base_url = frame->document().baseURL(); GetRedirectChain(ds, ¶ms.redirects); params.should_update_history = !ds->hasUnreachableURL() && !response.isMultipartPayload() && (response.httpStatusCode() != 404); params.searchable_form_url = internal_data->searchable_form_url(); params.searchable_form_encoding = internal_data->searchable_form_encoding(); params.gesture = navigation_gesture_; navigation_gesture_ = NavigationGestureUnknown; // Make navigation state a part of the FrameNavigate message so that commited // entry had it at all times. WebHistoryItem item = frame->currentHistoryItem(); if (item.isNull()) { item.initialize(); item.setURLString(request.url().spec().utf16()); } params.page_state = HistoryItemToPageState(item); if (!frame->parent()) { // Top-level navigation. // Reset the zoom limits in case a plugin had changed them previously. This // will also call us back which will cause us to send a message to // update WebContentsImpl. webview()->zoomLimitsChanged(ZoomFactorToZoomLevel(kMinimumZoomFactor), ZoomFactorToZoomLevel(kMaximumZoomFactor)); // Set zoom level, but don't do it for full-page plugin since they don't use // the same zoom settings. HostZoomLevels::iterator host_zoom = host_zoom_levels_.find(GURL(request.url())); if (webview()->mainFrame()->document().isPluginDocument()) { // Reset the zoom levels for plugins. webview()->setZoomLevel(0); } else { if (host_zoom != host_zoom_levels_.end()) webview()->setZoomLevel(host_zoom->second); } if (host_zoom != host_zoom_levels_.end()) { // This zoom level was merely recorded transiently for this load. We can // erase it now. If at some point we reload this page, the browser will // send us a new, up-to-date zoom level. host_zoom_levels_.erase(host_zoom); } // Update contents MIME type for main frame. params.contents_mime_type = ds->response().mimeType().utf8(); params.transition = navigation_state->transition_type(); if (!PageTransitionIsMainFrame(params.transition)) { // If the main frame does a load, it should not be reported as a subframe // navigation. This can occur in the following case: // 1. You're on a site with frames. // 2. You do a subframe navigation. This is stored with transition type // MANUAL_SUBFRAME. // 3. You navigate to some non-frame site, say, google.com. // 4. You navigate back to the page from step 2. Since it was initially // MANUAL_SUBFRAME, it will be that same transition type here. // We don't want that, because any navigation that changes the toplevel // frame should be tracked as a toplevel navigation (this allows us to // update the URL bar, etc). params.transition = PAGE_TRANSITION_LINK; } // If the page contained a client redirect (meta refresh, document.loc...), // set the referrer and transition appropriately. if (ds->isClientRedirect()) { params.referrer = Referrer(params.redirects[0], GetReferrerPolicyFromRequest(frame, ds->request())); params.transition = static_cast( params.transition | PAGE_TRANSITION_CLIENT_REDIRECT); } else { // Bug 654101: the referrer will be empty on https->http transitions. It // would be nice if we could get the real referrer from somewhere. params.referrer = GetReferrerFromRequest(frame, original_request); } base::string16 method = request.httpMethod(); if (EqualsASCII(method, "POST")) { params.is_post = true; params.post_id = ExtractPostId(item); } // Send the user agent override back. params.is_overriding_user_agent = internal_data->is_overriding_user_agent(); // Track the URL of the original request. We use the first entry of the // redirect chain if it exists because the chain may have started in another // process. if (params.redirects.size() > 0) params.original_request_url = params.redirects.at(0); else params.original_request_url = original_request.url(); params.history_list_was_cleared = navigation_state->history_list_was_cleared(); // Save some histogram data so we can compute the average memory used per // page load of the glyphs. UMA_HISTOGRAM_COUNTS_10000("Memory.GlyphPagesPerLoad", blink::WebGlyphCache::pageCount()); // This message needs to be sent before any of allowScripts(), // allowImages(), allowPlugins() is called for the new page, so that when // these functions send a ViewHostMsg_ContentBlocked message, it arrives // after the ViewHostMsg_FrameNavigate message. Send(new ViewHostMsg_FrameNavigate(routing_id_, params)); } else { // Subframe navigation: the type depends on whether this navigation // generated a new session history entry. When they do generate a session // history entry, it means the user initiated the navigation and we should // mark it as such. This test checks if this is the first time UpdateURL // has been called since WillNavigateToURL was called to initiate the load. if (page_id_ > last_page_id_sent_to_browser_) params.transition = PAGE_TRANSITION_MANUAL_SUBFRAME; else params.transition = PAGE_TRANSITION_AUTO_SUBFRAME; DCHECK(!navigation_state->history_list_was_cleared()); params.history_list_was_cleared = false; Send(new ViewHostMsg_FrameNavigate(routing_id_, params)); } last_page_id_sent_to_browser_ = std::max(last_page_id_sent_to_browser_, page_id_); // If we end up reusing this WebRequest (for example, due to a #ref click), // we don't want the transition type to persist. Just clear it. navigation_state->set_transition_type(PAGE_TRANSITION_LINK); } // Tell the embedding application that the title of the active page has changed void RenderViewImpl::UpdateTitle(WebFrame* frame, const base::string16& title, WebTextDirection title_direction) { // Ignore all but top level navigations. if (frame->parent()) return; base::debug::TraceLog::GetInstance()->UpdateProcessLabel( routing_id_, UTF16ToUTF8(title)); base::string16 shortened_title = title.substr(0, kMaxTitleChars); Send(new ViewHostMsg_UpdateTitle(routing_id_, page_id_, shortened_title, title_direction)); } void RenderViewImpl::UpdateEncoding(WebFrame* frame, const std::string& encoding_name) { // Only update main frame's encoding_name. if (webview()->mainFrame() == frame && last_encoding_name_ != encoding_name) { // Save the encoding name for later comparing. last_encoding_name_ = encoding_name; Send(new ViewHostMsg_UpdateEncoding(routing_id_, last_encoding_name_)); } } // Sends the last committed session history state to the browser so it will be // saved before we navigate to a new page. This must be called *before* the // page ID has been updated so we know what it was. void RenderViewImpl::UpdateSessionHistory(WebFrame* frame) { // If we have a valid page ID at this point, then it corresponds to the page // we are navigating away from. Otherwise, this is the first navigation, so // there is no past session history to record. if (page_id_ == -1) return; const WebHistoryItem& item = webview()->mainFrame()->previousHistoryItem(); SendUpdateState(item); } void RenderViewImpl::SendUpdateState(const WebHistoryItem& item) { if (item.isNull()) return; // Don't send state updates for kSwappedOutURL. if (item.urlString() == WebString::fromUTF8(kSwappedOutURL)) return; Send(new ViewHostMsg_UpdateState( routing_id_, page_id_, HistoryItemToPageState(item))); } void RenderViewImpl::OpenURL(WebFrame* frame, const GURL& url, const Referrer& referrer, WebNavigationPolicy policy) { ViewHostMsg_OpenURL_Params params; params.url = url; params.referrer = referrer; params.disposition = NavigationPolicyToDisposition(policy); params.frame_id = frame->identifier(); WebDataSource* ds = frame->provisionalDataSource(); if (ds) { DocumentState* document_state = DocumentState::FromDataSource(ds); NavigationState* navigation_state = document_state->navigation_state(); if (navigation_state->is_content_initiated()) { params.should_replace_current_entry = ds->replacesCurrentHistoryItem(); } else { // This is necessary to preserve the should_replace_current_entry value on // cross-process redirects, in the event it was set by a previous process. // // TODO(davidben): Avoid this awkward duplication of state. See comment on // NavigationState::should_replace_current_entry(). params.should_replace_current_entry = navigation_state->should_replace_current_entry(); } } else { params.should_replace_current_entry = false; } params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture(); if (GetContentClient()->renderer()->AllowPopup()) params.user_gesture = true; if (policy == blink::WebNavigationPolicyNewBackgroundTab || policy == blink::WebNavigationPolicyNewForegroundTab || policy == blink::WebNavigationPolicyNewWindow || policy == blink::WebNavigationPolicyNewPopup) { WebUserGestureIndicator::consumeUserGesture(); } Send(new ViewHostMsg_OpenURL(routing_id_, params)); } // WebViewDelegate ------------------------------------------------------------ void RenderViewImpl::LoadNavigationErrorPage( WebFrame* frame, const WebURLRequest& failed_request, const WebURLError& error, const std::string& html, bool replace) { std::string alt_html; const std::string* error_html; if (!html.empty()) { error_html = &html; } else { GetContentClient()->renderer()->GetNavigationErrorStrings( frame, failed_request, error, renderer_preferences_.accept_languages, &alt_html, NULL); error_html = &alt_html; } frame->loadHTMLString(*error_html, GURL(kUnreachableWebDataURL), error.unreachableURL, replace); } bool RenderViewImpl::RunJavaScriptMessage(JavaScriptMessageType type, const base::string16& message, const base::string16& default_value, const GURL& frame_url, base::string16* result) { // Don't allow further dialogs if we are waiting to swap out, since the // PageGroupLoadDeferrer in our stack prevents it. if (suppress_dialogs_until_swap_out_) return false; bool success = false; base::string16 result_temp; if (!result) result = &result_temp; SendAndRunNestedMessageLoop(new ViewHostMsg_RunJavaScriptMessage( routing_id_, message, default_value, frame_url, type, &success, result)); return success; } bool RenderViewImpl::SendAndRunNestedMessageLoop(IPC::SyncMessage* message) { // Before WebKit asks us to show an alert (etc.), it takes care of doing the // equivalent of WebView::willEnterModalLoop. In the case of showModalDialog // it is particularly important that we do not call willEnterModalLoop as // that would defer resource loads for the dialog itself. if (RenderThreadImpl::current()) // Will be NULL during unit tests. RenderThreadImpl::current()->DoNotNotifyWebKitOfModalLoop(); message->EnableMessagePumping(); // Runs a nested message loop. return Send(message); } void RenderViewImpl::GetWindowSnapshot(const WindowSnapshotCallback& callback) { int id = next_snapshot_id_++; pending_snapshots_.insert(std::make_pair(id, callback)); ui::LatencyInfo latency_info; latency_info.AddLatencyNumber(ui::WINDOW_SNAPSHOT_FRAME_NUMBER_COMPONENT, GetLatencyComponentId(), id); scoped_ptr latency_info_swap_promise_monitor; if (RenderWidgetCompositor* rwc = compositor()) { latency_info_swap_promise_monitor = rwc->CreateLatencyInfoSwapPromiseMonitor(&latency_info).Pass(); } else { latency_info_.MergeWith(latency_info); } ScheduleCompositeWithForcedRedraw(); } void RenderViewImpl::OnWindowSnapshotCompleted(const int snapshot_id, const gfx::Size& size, const std::vector& png) { // Any pending snapshots with a lower ID than the one received are considered // to be implicitly complete, and returned the same snapshot data. PendingSnapshotMap::iterator it = pending_snapshots_.begin(); while(it != pending_snapshots_.end()) { if (it->first <= snapshot_id) { it->second.Run(size, png); pending_snapshots_.erase(it++); } else { ++it; } } } // blink::WebViewClient ------------------------------------------------------ WebView* RenderViewImpl::createView( WebFrame* creator, const WebURLRequest& request, const WebWindowFeatures& features, const WebString& frame_name, WebNavigationPolicy policy, bool suppress_opener) { ViewHostMsg_CreateWindow_Params params; params.opener_id = routing_id_; params.user_gesture = WebUserGestureIndicator::isProcessingUserGesture(); if (GetContentClient()->renderer()->AllowPopup()) params.user_gesture = true; params.window_container_type = WindowFeaturesToContainerType(features); params.session_storage_namespace_id = session_storage_namespace_id_; if (frame_name != "_blank") params.frame_name = frame_name; params.opener_frame_id = creator->identifier(); params.opener_url = creator->document().url(); params.opener_top_level_frame_url = creator->top()->document().url(); GURL security_url(creator->document().securityOrigin().toString().utf8()); if (!security_url.is_valid()) security_url = GURL(); params.opener_security_origin = security_url; params.opener_suppressed = suppress_opener; params.disposition = NavigationPolicyToDisposition(policy); if (!request.isNull()) { params.target_url = request.url(); params.referrer = GetReferrerFromRequest(creator, request); } params.features = features; for (size_t i = 0; i < features.additionalFeatures.size(); ++i) params.additional_features.push_back(features.additionalFeatures[i]); int32 routing_id = MSG_ROUTING_NONE; int32 main_frame_routing_id = MSG_ROUTING_NONE; int32 surface_id = 0; int64 cloned_session_storage_namespace_id; RenderThread::Get()->Send( new ViewHostMsg_CreateWindow(params, &routing_id, &main_frame_routing_id, &surface_id, &cloned_session_storage_namespace_id)); if (routing_id == MSG_ROUTING_NONE) return NULL; WebUserGestureIndicator::consumeUserGesture(); WebPreferences transferred_preferences = webkit_preferences_; // Unless accelerated compositing has been explicitly disabled from the // command line (e.g. via the blacklist or about:flags) re-enable it for // new views that get spawned by this view. This gets around the issue that // background extension pages disable accelerated compositing via web prefs // but can themselves spawn a visible render view which should be allowed // use gpu acceleration. if (!webkit_preferences_.accelerated_compositing_enabled) { const CommandLine& command_line = *CommandLine::ForCurrentProcess(); if (!command_line.HasSwitch(switches::kDisableAcceleratedCompositing)) transferred_preferences.accelerated_compositing_enabled = true; } // The initial hidden state for the RenderViewImpl here has to match what the // browser will eventually decide for the given disposition. Since we have to // return from this call synchronously, we just have to make our best guess // and rely on the browser sending a WasHidden / WasShown message if it // disagrees. RenderViewImpl* view = RenderViewImpl::Create( routing_id_, renderer_preferences_, transferred_preferences, routing_id, main_frame_routing_id, surface_id, cloned_session_storage_namespace_id, base::string16(), // WebCore will take care of setting the correct name. true, // is_renderer_created false, // swapped_out params.disposition == NEW_BACKGROUND_TAB, // hidden 1, // next_page_id screen_info_, accessibility_mode_, allow_partial_swap_); view->opened_by_user_gesture_ = params.user_gesture; // Record whether the creator frame is trying to suppress the opener field. view->opener_suppressed_ = params.opener_suppressed; // Copy over the alternate error page URL so we can have alt error pages in // the new render view (we don't need the browser to send the URL back down). view->alternate_error_page_url_ = alternate_error_page_url_; return view->webview(); } WebWidget* RenderViewImpl::createPopupMenu(blink::WebPopupType popup_type) { RenderWidget* widget = RenderWidget::Create(routing_id_, popup_type, screen_info_); if (screen_metrics_emulator_) { widget->SetPopupOriginAdjustmentsForEmulation( screen_metrics_emulator_.get()); } return widget->webwidget(); } WebExternalPopupMenu* RenderViewImpl::createExternalPopupMenu( const WebPopupMenuInfo& popup_menu_info, WebExternalPopupMenuClient* popup_menu_client) { // An IPC message is sent to the browser to build and display the actual // popup. The user could have time to click a different select by the time // the popup is shown. In that case external_popup_menu_ is non NULL. // By returning NULL in that case, we instruct WebKit to cancel that new // popup. So from the user perspective, only the first one will show, and // will have to close the first one before another one can be shown. if (external_popup_menu_) return NULL; external_popup_menu_.reset( new ExternalPopupMenu(this, popup_menu_info, popup_menu_client)); if (screen_metrics_emulator_) { SetExternalPopupOriginAdjustmentsForEmulation( external_popup_menu_.get(), screen_metrics_emulator_.get()); } return external_popup_menu_.get(); } WebStorageNamespace* RenderViewImpl::createSessionStorageNamespace() { CHECK(session_storage_namespace_id_ != kInvalidSessionStorageNamespaceId); return new WebStorageNamespaceImpl(session_storage_namespace_id_); } bool RenderViewImpl::shouldReportDetailedMessageForSource( const WebString& source) { return GetContentClient()->renderer()->ShouldReportDetailedMessageForSource( source); } void RenderViewImpl::didAddMessageToConsole( const WebConsoleMessage& message, const WebString& source_name, unsigned source_line, const WebString& stack_trace) { logging::LogSeverity log_severity = logging::LOG_VERBOSE; switch (message.level) { case WebConsoleMessage::LevelDebug: log_severity = logging::LOG_VERBOSE; break; case WebConsoleMessage::LevelLog: case WebConsoleMessage::LevelInfo: log_severity = logging::LOG_INFO; break; case WebConsoleMessage::LevelWarning: log_severity = logging::LOG_WARNING; break; case WebConsoleMessage::LevelError: log_severity = logging::LOG_ERROR; break; default: NOTREACHED(); } if (shouldReportDetailedMessageForSource(source_name)) { FOR_EACH_OBSERVER( RenderViewObserver, observers_, DetailedConsoleMessageAdded(message.text, source_name, stack_trace, source_line, static_cast(log_severity))); } Send(new ViewHostMsg_AddMessageToConsole(routing_id_, static_cast(log_severity), message.text, static_cast(source_line), source_name)); } void RenderViewImpl::printPage(WebFrame* frame) { FOR_EACH_OBSERVER(RenderViewObserver, observers_, PrintPage(frame, handling_input_event_)); } blink::WebNotificationPresenter* RenderViewImpl::notificationPresenter() { return notification_provider_; } bool RenderViewImpl::enumerateChosenDirectory( const WebString& path, WebFileChooserCompletion* chooser_completion) { int id = enumeration_completion_id_++; enumeration_completions_[id] = chooser_completion; return Send(new ViewHostMsg_EnumerateDirectory( routing_id_, id, base::FilePath::FromUTF16Unsafe(path))); } void RenderViewImpl::initializeHelperPluginWebFrame( blink::WebHelperPlugin* plugin) { plugin->initializeFrame(main_render_frame_.get()); } void RenderViewImpl::didStartLoading() { if (is_loading_) { DVLOG(1) << "didStartLoading called while loading"; return; } is_loading_ = true; Send(new ViewHostMsg_DidStartLoading(routing_id_)); FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStartLoading()); } void RenderViewImpl::didStopLoading() { if (!is_loading_) { DVLOG(1) << "DidStopLoading called while not loading"; return; } is_loading_ = false; // NOTE: For now we're doing the safest thing, and sending out notification // when done loading. This currently isn't an issue as the favicon is only // displayed when done loading. Ideally we would send notification when // finished parsing the head, but webkit doesn't support that yet. // The feed discovery code would also benefit from access to the head. Send(new ViewHostMsg_DidStopLoading(routing_id_)); if (load_progress_tracker_ != NULL) load_progress_tracker_->DidStopLoading(); DidStopLoadingIcons(); FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidStopLoading()); } void RenderViewImpl::didChangeLoadProgress(WebFrame* frame, double load_progress) { if (load_progress_tracker_ != NULL) load_progress_tracker_->DidChangeLoadProgress(frame, load_progress); } void RenderViewImpl::didCancelCompositionOnSelectionChange() { Send(new ViewHostMsg_ImeCancelComposition(routing_id())); } void RenderViewImpl::didChangeSelection(bool is_empty_selection) { if (!handling_input_event_ && !handling_select_range_) return; if (is_empty_selection) selection_text_.clear(); // UpdateTextInputType should be called before SyncSelectionIfRequired. // UpdateTextInputType may send TextInputTypeChanged to notify the focus // was changed, and SyncSelectionIfRequired may send SelectionChanged // to notify the selection was changed. Focus change should be notified // before selection change. UpdateTextInputType(); SyncSelectionIfRequired(); #if defined(OS_ANDROID) UpdateTextInputState(false, true); #endif } void RenderViewImpl::didExecuteCommand(const WebString& command_name) { const std::string& name = UTF16ToUTF8(command_name); if (StartsWithASCII(name, "Move", true) || StartsWithASCII(name, "Insert", true) || StartsWithASCII(name, "Delete", true)) return; RenderThreadImpl::current()->RecordComputedAction(name); } bool RenderViewImpl::handleCurrentKeyboardEvent() { if (edit_commands_.empty()) return false; WebFrame* frame = webview()->focusedFrame(); if (!frame) return false; EditCommands::iterator it = edit_commands_.begin(); EditCommands::iterator end = edit_commands_.end(); bool did_execute_command = false; for (; it != end; ++it) { // In gtk and cocoa, it's possible to bind multiple edit commands to one // key (but it's the exception). Once one edit command is not executed, it // seems safest to not execute the rest. if (!frame->executeCommand(WebString::fromUTF8(it->name), WebString::fromUTF8(it->value), GetFocusedNode())) break; did_execute_command = true; } return did_execute_command; } blink::WebColorChooser* RenderViewImpl::createColorChooser( blink::WebColorChooserClient* client, const blink::WebColor& initial_color, const blink::WebVector& suggestions) { RendererWebColorChooserImpl* color_chooser = new RendererWebColorChooserImpl(this, client); std::vector color_suggestions; for (size_t i = 0; i < suggestions.size(); i++) { color_suggestions.push_back(content::ColorSuggestion(suggestions[i])); } color_chooser->Open(static_cast(initial_color), color_suggestions); return color_chooser; } bool RenderViewImpl::runFileChooser( const blink::WebFileChooserParams& params, WebFileChooserCompletion* chooser_completion) { // Do not open the file dialog in a hidden RenderView. if (is_hidden()) return false; FileChooserParams ipc_params; if (params.directory) ipc_params.mode = FileChooserParams::UploadFolder; else if (params.multiSelect) ipc_params.mode = FileChooserParams::OpenMultiple; else if (params.saveAs) ipc_params.mode = FileChooserParams::Save; else ipc_params.mode = FileChooserParams::Open; ipc_params.title = params.title; ipc_params.default_file_name = base::FilePath::FromUTF16Unsafe(params.initialValue); ipc_params.accept_types.reserve(params.acceptTypes.size()); for (size_t i = 0; i < params.acceptTypes.size(); ++i) ipc_params.accept_types.push_back(params.acceptTypes[i]); #if defined(OS_ANDROID) ipc_params.capture = params.useMediaCapture; #endif return ScheduleFileChooser(ipc_params, chooser_completion); } void RenderViewImpl::runModalAlertDialog(WebFrame* frame, const WebString& message) { RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_ALERT, message, base::string16(), frame->document().url(), NULL); } bool RenderViewImpl::runModalConfirmDialog(WebFrame* frame, const WebString& message) { return RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_CONFIRM, message, base::string16(), frame->document().url(), NULL); } bool RenderViewImpl::runModalPromptDialog(WebFrame* frame, const WebString& message, const WebString& default_value, WebString* actual_value) { base::string16 result; bool ok = RunJavaScriptMessage(JAVASCRIPT_MESSAGE_TYPE_PROMPT, message, default_value, frame->document().url(), &result); if (ok) actual_value->assign(result); return ok; } bool RenderViewImpl::runModalBeforeUnloadDialog( WebFrame* frame, const WebString& message) { bool is_reload = false; WebDataSource* ds = frame->provisionalDataSource(); if (ds) is_reload = (ds->navigationType() == blink::WebNavigationTypeReload); return runModalBeforeUnloadDialog(frame, is_reload, message); } bool RenderViewImpl::runModalBeforeUnloadDialog( WebFrame* frame, bool is_reload, const WebString& message) { // If we are swapping out, we have already run the beforeunload handler. // TODO(creis): Fix OnSwapOut to clear the frame without running beforeunload // at all, to avoid running it twice. if (is_swapped_out_) return true; // Don't allow further dialogs if we are waiting to swap out, since the // PageGroupLoadDeferrer in our stack prevents it. if (suppress_dialogs_until_swap_out_) return false; bool success = false; // This is an ignored return value, but is included so we can accept the same // response as RunJavaScriptMessage. base::string16 ignored_result; SendAndRunNestedMessageLoop(new ViewHostMsg_RunBeforeUnloadConfirm( routing_id_, frame->document().url(), message, is_reload, &success, &ignored_result)); return success; } void RenderViewImpl::showValidationMessage( const blink::WebRect& anchor_in_root_view, const blink::WebString& main_text, const blink::WebString& sub_text, blink::WebTextDirection hint) { base::string16 wrapped_main_text = main_text; base::string16 wrapped_sub_text = sub_text; if (hint == blink::WebTextDirectionLeftToRight) { wrapped_main_text = base::i18n::GetDisplayStringInLTRDirectionality(wrapped_main_text); if (!wrapped_sub_text.empty()) { wrapped_sub_text = base::i18n::GetDisplayStringInLTRDirectionality(wrapped_sub_text); } } else if (hint == blink::WebTextDirectionRightToLeft && !base::i18n::IsRTL()) { base::i18n::WrapStringWithRTLFormatting(&wrapped_main_text); if (!wrapped_sub_text.empty()) { base::i18n::WrapStringWithRTLFormatting(&wrapped_sub_text); } } Send(new ViewHostMsg_ShowValidationMessage( routing_id(), anchor_in_root_view, wrapped_main_text, wrapped_sub_text)); } void RenderViewImpl::hideValidationMessage() { Send(new ViewHostMsg_HideValidationMessage(routing_id())); } void RenderViewImpl::moveValidationMessage( const blink::WebRect& anchor_in_root_view) { Send(new ViewHostMsg_MoveValidationMessage(routing_id(), anchor_in_root_view)); } void RenderViewImpl::showContextMenu( WebFrame* frame, const WebContextMenuData& data) { ContextMenuParams params = ContextMenuParamsBuilder::Build(data); params.source_type = context_menu_source_type_; if (context_menu_source_type_ == ui::MENU_SOURCE_TOUCH_EDIT_MENU) { params.x = touch_editing_context_menu_location_.x(); params.y = touch_editing_context_menu_location_.y(); } OnShowHostContextMenu(¶ms); // Plugins, e.g. PDF, don't currently update the render view when their // selected text changes, but the context menu params do contain the updated // selection. If that's the case, update the render view's state just prior // to showing the context menu. // TODO(asvitkine): http://crbug.com/152432 if (ShouldUpdateSelectionTextFromContextMenuParams(selection_text_, selection_text_offset_, selection_range_, params)) { selection_text_ = params.selection_text; // TODO(asvitkine): Text offset and range is not available in this case. selection_text_offset_ = 0; selection_range_ = gfx::Range(0, selection_text_.length()); Send(new ViewHostMsg_SelectionChanged(routing_id_, selection_text_, selection_text_offset_, selection_range_)); } // frame is NULL if invoked by BlockedPlugin. if (frame) params.frame_id = frame->identifier(); // Serializing a GURL longer than kMaxURLChars will fail, so don't do // it. We replace it with an empty GURL so the appropriate items are disabled // in the context menu. // TODO(jcivelli): http://crbug.com/45160 This prevents us from saving large // data encoded images. We should have a way to save them. if (params.src_url.spec().size() > GetMaxURLChars()) params.src_url = GURL(); context_menu_node_ = data.node; #if defined(OS_ANDROID) gfx::Rect start_rect; gfx::Rect end_rect; GetSelectionBounds(&start_rect, &end_rect); params.selection_start = gfx::Point(start_rect.x(), start_rect.bottom()); params.selection_end = gfx::Point(end_rect.right(), end_rect.bottom()); #endif Send(new ViewHostMsg_ContextMenu(routing_id_, params)); FOR_EACH_OBSERVER( RenderViewObserver, observers_, DidRequestShowContextMenu(frame, data)); } void RenderViewImpl::clearContextMenu() { context_menu_node_.reset(); } void RenderViewImpl::setStatusText(const WebString& text) { } void RenderViewImpl::UpdateTargetURL(const GURL& url, const GURL& fallback_url) { GURL latest_url = url.is_empty() ? fallback_url : url; if (latest_url == target_url_) return; // Tell the browser to display a destination link. if (target_url_status_ == TARGET_INFLIGHT || target_url_status_ == TARGET_PENDING) { // If we have a request in-flight, save the URL to be sent when we // receive an ACK to the in-flight request. We can happily overwrite // any existing pending sends. pending_target_url_ = latest_url; target_url_status_ = TARGET_PENDING; } else { // URLs larger than |MaxURLChars()| cannot be sent through IPC - // see |ParamTraits|. if (latest_url.possibly_invalid_spec().size() > GetMaxURLChars()) latest_url = GURL(); Send(new ViewHostMsg_UpdateTargetURL(routing_id_, page_id_, latest_url)); target_url_ = latest_url; target_url_status_ = TARGET_INFLIGHT; } } gfx::RectF RenderViewImpl::ClientRectToPhysicalWindowRect( const gfx::RectF& rect) const { gfx::RectF window_rect = rect; window_rect.Scale(device_scale_factor_ * webview()->pageScaleFactor()); return window_rect; } int64 RenderViewImpl::GetLatencyComponentId() { // Note: this must match the logic in RenderWidgetHostImpl. return GetRoutingID() | (static_cast( RenderThreadImpl::current()->renderer_process_id()) << 32); } void RenderViewImpl::StartNavStateSyncTimerIfNecessary() { // No need to update state if no page has committed yet. if (page_id_ == -1) return; int delay; if (send_content_state_immediately_) delay = 0; else if (is_hidden()) delay = kDelaySecondsForContentStateSyncHidden; else delay = kDelaySecondsForContentStateSync; if (nav_state_sync_timer_.IsRunning()) { // The timer is already running. If the delay of the timer maches the amount // we want to delay by, then return. Otherwise stop the timer so that it // gets started with the right delay. if (nav_state_sync_timer_.GetCurrentDelay().InSeconds() == delay) return; nav_state_sync_timer_.Stop(); } nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this, &RenderViewImpl::SyncNavigationState); } void RenderViewImpl::setMouseOverURL(const WebURL& url) { mouse_over_url_ = GURL(url); UpdateTargetURL(mouse_over_url_, focus_url_); } void RenderViewImpl::setKeyboardFocusURL(const WebURL& url) { focus_url_ = GURL(url); UpdateTargetURL(focus_url_, mouse_over_url_); } void RenderViewImpl::startDragging(WebFrame* frame, const WebDragData& data, WebDragOperationsMask mask, const WebImage& image, const WebPoint& webImageOffset) { DropData drop_data(DropDataBuilder::Build(data)); drop_data.referrer_policy = frame->document().referrerPolicy(); gfx::Vector2d imageOffset(webImageOffset.x, webImageOffset.y); Send(new DragHostMsg_StartDragging(routing_id_, drop_data, mask, image.getSkBitmap(), imageOffset, possible_drag_event_info_)); } bool RenderViewImpl::acceptsLoadDrops() { return renderer_preferences_.can_accept_load_drops; } void RenderViewImpl::focusNext() { Send(new ViewHostMsg_TakeFocus(routing_id_, false)); } void RenderViewImpl::focusPrevious() { Send(new ViewHostMsg_TakeFocus(routing_id_, true)); } void RenderViewImpl::focusedNodeChanged(const WebNode& node) { Send(new ViewHostMsg_FocusedNodeChanged(routing_id_, IsEditableNode(node))); FOR_EACH_OBSERVER(RenderViewObserver, observers_, FocusedNodeChanged(node)); } void RenderViewImpl::numberOfWheelEventHandlersChanged(unsigned num_handlers) { Send(new ViewHostMsg_DidChangeNumWheelEvents(routing_id_, num_handlers)); } void RenderViewImpl::didUpdateLayout() { FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidUpdateLayout()); // We don't always want to set up a timer, only if we've been put in that // mode by getting a |ViewMsg_EnablePreferredSizeChangedMode| // message. if (!send_preferred_size_changes_ || !webview()) return; if (check_preferred_size_timer_.IsRunning()) return; check_preferred_size_timer_.Start(FROM_HERE, TimeDelta::FromMilliseconds(0), this, &RenderViewImpl::CheckPreferredSize); } void RenderViewImpl::navigateBackForwardSoon(int offset) { Send(new ViewHostMsg_GoToEntryAtOffset(routing_id_, offset)); } int RenderViewImpl::historyBackListCount() { return history_list_offset_ < 0 ? 0 : history_list_offset_; } int RenderViewImpl::historyForwardListCount() { return history_list_length_ - historyBackListCount() - 1; } void RenderViewImpl::postAccessibilityEvent( const WebAXObject& obj, blink::WebAXEvent event) { if (renderer_accessibility_) { renderer_accessibility_->HandleWebAccessibilityEvent(obj, event); } } void RenderViewImpl::didUpdateInspectorSetting(const WebString& key, const WebString& value) { Send(new ViewHostMsg_UpdateInspectorSetting(routing_id_, key.utf8(), value.utf8())); } // blink::WebWidgetClient ---------------------------------------------------- void RenderViewImpl::didFocus() { // TODO(jcivelli): when https://bugs.webkit.org/show_bug.cgi?id=33389 is fixed // we won't have to test for user gesture anymore and we can // move that code back to render_widget.cc if (WebUserGestureIndicator::isProcessingUserGesture() && !RenderThreadImpl::current()->layout_test_mode()) { Send(new ViewHostMsg_Focus(routing_id_)); } } void RenderViewImpl::didBlur() { // TODO(jcivelli): see TODO above in didFocus(). if (WebUserGestureIndicator::isProcessingUserGesture() && !RenderThreadImpl::current()->layout_test_mode()) { Send(new ViewHostMsg_Blur(routing_id_)); } } // We are supposed to get a single call to Show for a newly created RenderView // that was created via RenderViewImpl::CreateWebView. So, we wait until this // point to dispatch the ShowView message. // // This method provides us with the information about how to display the newly // created RenderView (i.e., as a blocked popup or as a new tab). // void RenderViewImpl::show(WebNavigationPolicy policy) { if (did_show_) { // When supports_multiple_windows is disabled, popups are reusing // the same view. In some scenarios, this makes WebKit to call show() twice. if (webkit_preferences_.supports_multiple_windows) NOTREACHED() << "received extraneous Show call"; return; } did_show_ = true; DCHECK(opener_id_ != MSG_ROUTING_NONE); // Force new windows to a popup if they were not opened with a user gesture. if (!opened_by_user_gesture_) { // We exempt background tabs for compat with older versions of Chrome. // TODO(darin): This seems bogus. These should have a user gesture, so // we probably don't need this check. if (policy != blink::WebNavigationPolicyNewBackgroundTab) policy = blink::WebNavigationPolicyNewPopup; } // NOTE: initial_pos_ may still have its default values at this point, but // that's okay. It'll be ignored if disposition is not NEW_POPUP, or the // browser process will impose a default position otherwise. Send(new ViewHostMsg_ShowView(opener_id_, routing_id_, NavigationPolicyToDisposition(policy), initial_pos_, opened_by_user_gesture_)); SetPendingWindowRect(initial_pos_); } void RenderViewImpl::runModal() { DCHECK(did_show_) << "should already have shown the view"; // Don't allow further dialogs if we are waiting to swap out, since the // PageGroupLoadDeferrer in our stack prevents it. if (suppress_dialogs_until_swap_out_) return; // We must keep WebKit's shared timer running in this case in order to allow // showModalDialog to function properly. // // TODO(darin): WebKit should really be smarter about suppressing events and // timers so that we do not need to manage the shared timer in such a heavy // handed manner. // if (RenderThreadImpl::current()) // Will be NULL during unit tests. RenderThreadImpl::current()->DoNotSuspendWebKitSharedTimer(); SendAndRunNestedMessageLoop(new ViewHostMsg_RunModal( routing_id_, opener_id_)); } bool RenderViewImpl::enterFullScreen() { Send(new ViewHostMsg_ToggleFullscreen(routing_id_, true)); return true; } void RenderViewImpl::exitFullScreen() { Send(new ViewHostMsg_ToggleFullscreen(routing_id_, false)); } bool RenderViewImpl::requestPointerLock() { return mouse_lock_dispatcher_->LockMouse(webwidget_mouse_lock_target_.get()); } void RenderViewImpl::requestPointerUnlock() { mouse_lock_dispatcher_->UnlockMouse(webwidget_mouse_lock_target_.get()); } bool RenderViewImpl::isPointerLocked() { return mouse_lock_dispatcher_->IsMouseLockedTo( webwidget_mouse_lock_target_.get()); } void RenderViewImpl::didActivateCompositor(int input_handler_identifier) { #if !defined(OS_MACOSX) // many events are unhandled - http://crbug.com/138003 InputHandlerManager* input_handler_manager = RenderThreadImpl::current()->input_handler_manager(); if (input_handler_manager) { input_handler_manager->AddInputHandler( routing_id_, compositor_->GetInputHandler(), AsWeakPtr()); } #endif RenderWidget::didActivateCompositor(input_handler_identifier); } void RenderViewImpl::didHandleGestureEvent( const WebGestureEvent& event, bool event_cancelled) { RenderWidget::didHandleGestureEvent(event, event_cancelled); if (event.type != blink::WebGestureEvent::GestureTap) return; blink::WebTextInputType text_input_type = GetWebView()->textInputInfo().type; Send(new ViewHostMsg_FocusedNodeTouched( routing_id(), text_input_type != blink::WebTextInputTypeNone)); } void RenderViewImpl::initializeLayerTreeView() { RenderWidget::initializeLayerTreeView(); RenderWidgetCompositor* rwc = compositor(); if (!rwc || !webview() || !webview()->devToolsAgent()) return; webview()->devToolsAgent()->setLayerTreeId(rwc->GetLayerTreeId()); } // blink::WebFrameClient ----------------------------------------------------- WebMediaPlayer* RenderViewImpl::createMediaPlayer( WebFrame* frame, const blink::WebURL& url, WebMediaPlayerClient* client) { NOTREACHED(); return NULL; } blink::WebMediaPlayer* RenderViewImpl::CreateMediaPlayer( RenderFrame* render_frame, blink::WebFrame* frame, const blink::WebURL& url, blink::WebMediaPlayerClient* client) { FOR_EACH_OBSERVER( RenderViewObserver, observers_, WillCreateMediaPlayer(frame, client)); WebMediaPlayer* player = CreateWebMediaPlayerForMediaStream(frame, url, client); if (player) return player; #if defined(OS_ANDROID) return CreateAndroidWebMediaPlayer(frame, url, client); #else scoped_refptr sink; if (!CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableAudio)) { sink = RenderThreadImpl::current()->GetAudioRendererMixerManager()-> CreateInput(routing_id_); DVLOG(1) << "Using AudioRendererMixerManager-provided sink: " << sink.get(); } WebMediaPlayerParams params( RenderThreadImpl::current()->GetMediaThreadMessageLoopProxy(), base::Bind(&ContentRendererClient::DeferMediaLoad, base::Unretained(GetContentClient()->renderer()), static_cast(render_frame)), sink, RenderThreadImpl::current()->GetGpuFactories(), new RenderMediaLog()); return new WebMediaPlayerImpl(this, frame, client, AsWeakPtr(), params); #endif // defined(OS_ANDROID) } WebCookieJar* RenderViewImpl::cookieJar(WebFrame* frame) { return &cookie_jar_; } void RenderViewImpl::didAccessInitialDocument(WebFrame* frame) { // Notify the browser process that it is no longer safe to show the pending // URL of the main frame, since a URL spoof is now possible. if (!frame->parent() && page_id_ == -1) Send(new ViewHostMsg_DidAccessInitialDocument(routing_id_)); } void RenderViewImpl::didDisownOpener(blink::WebFrame* frame) { // We only need to notify the browser if the active, top-level frame clears // its opener. We can ignore cases where a swapped out frame clears its // opener after hearing about it from the browser, and the browser does not // (yet) care about subframe openers. if (is_swapped_out_ || frame->parent()) return; // Notify WebContents and all its swapped out RenderViews. Send(new ViewHostMsg_DidDisownOpener(routing_id_)); } void RenderViewImpl::frameDetached(WebFrame* frame) { FOR_EACH_OBSERVER(RenderViewObserver, observers_, FrameDetached(frame)); } void RenderViewImpl::willClose(WebFrame* frame) { FOR_EACH_OBSERVER(RenderViewObserver, observers_, FrameWillClose(frame)); } void RenderViewImpl::didMatchCSS( WebFrame* frame, const WebVector& newly_matching_selectors, const WebVector& stopped_matching_selectors) { FOR_EACH_OBSERVER( RenderViewObserver, observers_, DidMatchCSS(frame, newly_matching_selectors, stopped_matching_selectors)); } void RenderViewImpl::Repaint(const gfx::Size& size) { OnRepaint(size); } void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name, const std::string& value) { EditCommands edit_commands; edit_commands.push_back(EditCommand(name, value)); OnSetEditCommandsForNextKeyEvent(edit_commands); } void RenderViewImpl::ClearEditCommands() { edit_commands_.clear(); } SSLStatus RenderViewImpl::GetSSLStatusOfFrame(blink::WebFrame* frame) const { std::string security_info; if (frame && frame->dataSource()) security_info = frame->dataSource()->response().securityInfo(); SSLStatus ssl_status; DeserializeSecurityInfo(security_info, &ssl_status.cert_id, &ssl_status.cert_status, &ssl_status.security_bits, &ssl_status.connection_status, &ssl_status.signed_certificate_timestamp_ids); return ssl_status; } const std::string& RenderViewImpl::GetAcceptLanguages() const { return renderer_preferences_.accept_languages; } WebNavigationPolicy RenderViewImpl::decidePolicyForNavigation( WebFrame* frame, WebDataSource::ExtraData* extraData, const WebURLRequest& request, WebNavigationType type, WebNavigationPolicy default_policy, bool is_redirect) { #ifdef OS_ANDROID // The handlenavigation API is deprecated and will be removed once // crbug.com/325351 is resolved. if (request.url() != GURL(kSwappedOutURL) && GetContentClient()->renderer()->HandleNavigation( this, static_cast(extraData), opener_id_, frame, request, type, default_policy, is_redirect)) { return blink::WebNavigationPolicyIgnore; } #endif Referrer referrer(GetReferrerFromRequest(frame, request)); if (is_swapped_out_) { if (request.url() != GURL(kSwappedOutURL)) { // Targeted links may try to navigate a swapped out frame. Allow the // browser process to navigate the tab instead. Note that it is also // possible for non-targeted navigations (from this view) to arrive // here just after we are swapped out. It's ok to send them to the // browser, as long as they're for the top level frame. // TODO(creis): Ensure this supports targeted form submissions when // fixing http://crbug.com/101395. if (frame->parent() == NULL) { OpenURL(frame, request.url(), referrer, default_policy); return blink::WebNavigationPolicyIgnore; // Suppress the load here. } // We should otherwise ignore in-process iframe navigations, if they // arrive just after we are swapped out. return blink::WebNavigationPolicyIgnore; } // Allow kSwappedOutURL to complete. return default_policy; } // Webkit is asking whether to navigate to a new URL. // This is fine normally, except if we're showing UI from one security // context and they're trying to navigate to a different context. const GURL& url = request.url(); // A content initiated navigation may have originated from a link-click, // script, drag-n-drop operation, etc. bool is_content_initiated = static_cast(extraData)-> navigation_state()->is_content_initiated(); // Experimental: // If --enable-strict-site-isolation or --site-per-process is enabled, send // all top-level navigations to the browser to let it swap processes when // crossing site boundaries. This is currently expected to break some script // calls and navigations, such as form submissions. const CommandLine& command_line = *CommandLine::ForCurrentProcess(); bool force_swap_due_to_flag = command_line.HasSwitch(switches::kEnableStrictSiteIsolation) || command_line.HasSwitch(switches::kSitePerProcess); if (force_swap_due_to_flag && !frame->parent() && (is_content_initiated || is_redirect)) { WebString origin_str = frame->document().securityOrigin().toString(); GURL frame_url(origin_str.utf8().data()); // TODO(cevans): revisit whether this site check is still necessary once // crbug.com/101395 is fixed. bool same_domain_or_host = net::registry_controlled_domains::SameDomainOrHost( frame_url, url, net::registry_controlled_domains::EXCLUDE_PRIVATE_REGISTRIES); if (!same_domain_or_host || frame_url.scheme() != url.scheme()) { OpenURL(frame, url, referrer, default_policy); return blink::WebNavigationPolicyIgnore; } } // If the browser is interested, then give it a chance to look at the request. if (is_content_initiated) { bool is_form_post = ((type == blink::WebNavigationTypeFormSubmitted) || (type == blink::WebNavigationTypeFormResubmitted)) && EqualsASCII(request.httpMethod(), "POST"); bool browser_handles_request = renderer_preferences_.browser_handles_non_local_top_level_requests && IsNonLocalTopLevelNavigation(url, frame, type, is_form_post); if (!browser_handles_request) { browser_handles_request = IsTopLevelNavigation(frame) && (renderer_preferences_.browser_handles_all_top_level_requests || (renderer_preferences_.browser_handles_all_top_level_link_clicks && type == blink::WebNavigationTypeLinkClicked)); } if (browser_handles_request) { // Reset these counters as the RenderView could be reused for the next // navigation. page_id_ = -1; last_page_id_sent_to_browser_ = -1; OpenURL(frame, url, referrer, default_policy); return blink::WebNavigationPolicyIgnore; // Suppress the load here. } } // Use the frame's original request's URL rather than the document's URL for // subsequent checks. For a popup, the document's URL may become the opener // window's URL if the opener has called document.write(). // See http://crbug.com/93517. GURL old_url(frame->dataSource()->request().url()); // Detect when we're crossing a permission-based boundary (e.g. into or out of // an extension or app origin, leaving a WebUI page, etc). We only care about // top-level navigations (not iframes). But we sometimes navigate to // about:blank to clear a tab, and we want to still allow that. // // Note: this is known to break POST submissions when crossing process // boundaries until http://crbug.com/101395 is fixed. This is better for // security than loading a WebUI, extension or app page in the wrong process. // POST requests don't work because this mechanism does not preserve form // POST data. We will need to send the request's httpBody data up to the // browser process, and issue a special POST navigation in WebKit (via // FrameLoader::loadFrameRequest). See ResourceDispatcher and WebURLLoaderImpl // for examples of how to send the httpBody data. if (!frame->parent() && is_content_initiated && !url.SchemeIs(chrome::kAboutScheme)) { bool send_referrer = false; // All navigations to or from WebUI URLs or within WebUI-enabled // RenderProcesses must be handled by the browser process so that the // correct bindings and data sources can be registered. // Similarly, navigations to view-source URLs or within ViewSource mode // must be handled by the browser process (except for reloads - those are // safe to leave within the renderer). // Lastly, access to file:// URLs from non-file:// URL pages must be // handled by the browser so that ordinary renderer processes don't get // blessed with file permissions. int cumulative_bindings = RenderProcess::current()->GetEnabledBindings(); bool is_initial_navigation = page_id_ == -1; bool should_fork = HasWebUIScheme(url) || HasWebUIScheme(old_url) || (cumulative_bindings & BINDINGS_POLICY_WEB_UI) || url.SchemeIs(kViewSourceScheme) || (frame->isViewSourceModeEnabled() && type != blink::WebNavigationTypeReload); if (!should_fork && url.SchemeIs(chrome::kFileScheme)) { // Fork non-file to file opens. Check the opener URL if this is the // initial navigation in a newly opened window. GURL source_url(old_url); if (is_initial_navigation && source_url.is_empty() && frame->opener()) source_url = frame->opener()->top()->document().url(); DCHECK(!source_url.is_empty()); should_fork = !source_url.SchemeIs(chrome::kFileScheme); } if (!should_fork) { // Give the embedder a chance. should_fork = GetContentClient()->renderer()->ShouldFork( frame, url, request.httpMethod().utf8(), is_initial_navigation, is_redirect, &send_referrer); } if (should_fork) { OpenURL( frame, url, send_referrer ? referrer : Referrer(), default_policy); return blink::WebNavigationPolicyIgnore; // Suppress the load here. } } // Detect when a page is "forking" a new tab that can be safely rendered in // its own process. This is done by sites like Gmail that try to open links // in new windows without script connections back to the original page. We // treat such cases as browser navigations (in which we will create a new // renderer for a cross-site navigation), rather than WebKit navigations. // // We use the following heuristic to decide whether to fork a new page in its // own process: // The parent page must open a new tab to about:blank, set the new tab's // window.opener to null, and then redirect the tab to a cross-site URL using // JavaScript. // // TODO(creis): Deprecate this logic once we can rely on rel=noreferrer // (see below). bool is_fork = // Must start from a tab showing about:blank, which is later redirected. old_url == GURL(kAboutBlankURL) && // Must be the first real navigation of the tab. historyBackListCount() < 1 && historyForwardListCount() < 1 && // The parent page must have set the child's window.opener to null before // redirecting to the desired URL. frame->opener() == NULL && // Must be a top-level frame. frame->parent() == NULL && // Must not have issued the request from this page. is_content_initiated && // Must be targeted at the current tab. default_policy == blink::WebNavigationPolicyCurrentTab && // Must be a JavaScript navigation, which appears as "other". type == blink::WebNavigationTypeOther; if (is_fork) { // Open the URL via the browser, not via WebKit. OpenURL(frame, url, Referrer(), default_policy); return blink::WebNavigationPolicyIgnore; } return default_policy; } WebNavigationPolicy RenderViewImpl::decidePolicyForNavigation( WebFrame* frame, const WebURLRequest& request, WebNavigationType type, WebNavigationPolicy default_policy, bool is_redirect) { return decidePolicyForNavigation(frame, frame->provisionalDataSource()->extraData(), request, type, default_policy, is_redirect); } void RenderViewImpl::willSendSubmitEvent(blink::WebFrame* frame, const blink::WebFormElement& form) { FOR_EACH_OBSERVER( RenderViewObserver, observers_, WillSendSubmitEvent(frame, form)); } void RenderViewImpl::willSubmitForm(WebFrame* frame, const WebFormElement& form) { FOR_EACH_OBSERVER( RenderViewObserver, observers_, WillSubmitForm(frame, form)); } void RenderViewImpl::didCreateDataSource(WebFrame* frame, WebDataSource* ds) { bool content_initiated = !pending_navigation_params_.get(); // Make sure any previous redirect URLs end up in our new data source. if (pending_navigation_params_.get()) { for (std::vector::const_iterator i = pending_navigation_params_->redirects.begin(); i != pending_navigation_params_->redirects.end(); ++i) { ds->appendRedirect(*i); } } DocumentState* document_state = DocumentState::FromDataSource(ds); if (!document_state) { document_state = new DocumentState; ds->setExtraData(document_state); if (!content_initiated) PopulateDocumentStateFromPending(document_state); } // Carry over the user agent override flag, if it exists. if (content_initiated && webview() && webview()->mainFrame() && webview()->mainFrame()->dataSource()) { DocumentState* old_document_state = DocumentState::FromDataSource(webview()->mainFrame()->dataSource()); if (old_document_state) { InternalDocumentStateData* internal_data = InternalDocumentStateData::FromDocumentState(document_state); InternalDocumentStateData* old_internal_data = InternalDocumentStateData::FromDocumentState(old_document_state); internal_data->set_is_overriding_user_agent( old_internal_data->is_overriding_user_agent()); } } // The rest of RenderView assumes that a WebDataSource will always have a // non-null NavigationState. if (content_initiated) { document_state->set_navigation_state( NavigationState::CreateContentInitiated()); } else { document_state->set_navigation_state(CreateNavigationStateFromPending()); pending_navigation_params_.reset(); } // DocumentState::referred_by_prefetcher_ is true if we are // navigating from a page that used prefetching using a link on that // page. We are early enough in the request process here that we // can still see the DocumentState of the previous page and set // this value appropriately. // TODO(gavinp): catch the important case of navigation in a new // renderer process. if (webview()) { if (WebFrame* old_frame = webview()->mainFrame()) { const WebURLRequest& original_request = ds->originalRequest(); const GURL referrer( original_request.httpHeaderField(WebString::fromUTF8("Referer"))); if (!referrer.is_empty() && DocumentState::FromDataSource( old_frame->dataSource())->was_prefetcher()) { for (; old_frame; old_frame = old_frame->traverseNext(false)) { WebDataSource* old_frame_ds = old_frame->dataSource(); if (old_frame_ds && referrer == GURL(old_frame_ds->request().url())) { document_state->set_was_referred_by_prefetcher(true); break; } } } } } if (content_initiated) { const WebURLRequest& request = ds->request(); switch (request.cachePolicy()) { case WebURLRequest::UseProtocolCachePolicy: // normal load. document_state->set_load_type(DocumentState::LINK_LOAD_NORMAL); break; case WebURLRequest::ReloadIgnoringCacheData: // reload. document_state->set_load_type(DocumentState::LINK_LOAD_RELOAD); break; case WebURLRequest::ReturnCacheDataElseLoad: // allow stale data. document_state->set_load_type( DocumentState::LINK_LOAD_CACHE_STALE_OK); break; case WebURLRequest::ReturnCacheDataDontLoad: // Don't re-post. document_state->set_load_type(DocumentState::LINK_LOAD_CACHE_ONLY); break; } } FOR_EACH_OBSERVER( RenderViewObserver, observers_, DidCreateDataSource(frame, ds)); } void RenderViewImpl::PopulateDocumentStateFromPending( DocumentState* document_state) { const ViewMsg_Navigate_Params& params = *pending_navigation_params_.get(); document_state->set_request_time(params.request_time); InternalDocumentStateData* internal_data = InternalDocumentStateData::FromDocumentState(document_state); if (!params.url.SchemeIs(kJavaScriptScheme) && params.navigation_type == ViewMsg_Navigate_Type::RESTORE) { // We're doing a load of a page that was restored from the last session. By // default this prefers the cache over loading (LOAD_PREFERRING_CACHE) which // can result in stale data for pages that are set to expire. We explicitly // override that by setting the policy here so that as necessary we load // from the network. internal_data->set_cache_policy_override( WebURLRequest::UseProtocolCachePolicy); } if (IsReload(params)) document_state->set_load_type(DocumentState::RELOAD); else if (params.page_state.IsValid()) document_state->set_load_type(DocumentState::HISTORY_LOAD); else document_state->set_load_type(DocumentState::NORMAL_LOAD); internal_data->set_referrer_policy(params.referrer.policy); internal_data->set_is_overriding_user_agent(params.is_overriding_user_agent); internal_data->set_must_reset_scroll_and_scale_state( params.navigation_type == ViewMsg_Navigate_Type::RELOAD_ORIGINAL_REQUEST_URL); document_state->set_can_load_local_resources(params.can_load_local_resources); } NavigationState* RenderViewImpl::CreateNavigationStateFromPending() { const ViewMsg_Navigate_Params& params = *pending_navigation_params_.get(); NavigationState* navigation_state = NULL; // A navigation resulting from loading a javascript URL should not be treated // as a browser initiated event. Instead, we want it to look as if the page // initiated any load resulting from JS execution. if (!params.url.SchemeIs(kJavaScriptScheme)) { navigation_state = NavigationState::CreateBrowserInitiated( params.page_id, params.pending_history_list_offset, params.should_clear_history_list, params.transition); navigation_state->set_should_replace_current_entry( params.should_replace_current_entry); navigation_state->set_transferred_request_child_id( params.transferred_request_child_id); navigation_state->set_transferred_request_request_id( params.transferred_request_request_id); navigation_state->set_allow_download(params.allow_download); navigation_state->set_extra_headers(params.extra_headers); } else { navigation_state = NavigationState::CreateContentInitiated(); } return navigation_state; } void RenderViewImpl::ProcessViewLayoutFlags(const CommandLine& command_line) { bool enable_viewport = command_line.HasSwitch(switches::kEnableViewport) || command_line.HasSwitch(switches::kEnableViewportMeta); // If viewport tag is enabled, then the WebKit side will take care // of setting the fixed layout size and page scale limits. if (enable_viewport) return; // When navigating to a new page, reset the page scale factor to be 1.0. webview()->setInitialPageScaleOverride(1.f); float maxPageScaleFactor = command_line.HasSwitch(switches::kEnablePinch) ? 4.f : 1.f ; webview()->setPageScaleFactorLimits(1, maxPageScaleFactor); } // TODO(nasko): Remove this method once WebTestProxy in Blink is fixed. void RenderViewImpl::didStartProvisionalLoad(WebFrame* frame) { } void RenderViewImpl::didReceiveServerRedirectForProvisionalLoad( WebFrame* frame) { if (frame->parent()) return; // Received a redirect on the main frame. WebDataSource* data_source = frame->provisionalDataSource(); if (!data_source) { // Should only be invoked when we have a data source. NOTREACHED(); return; } std::vector redirects; GetRedirectChain(data_source, &redirects); if (redirects.size() >= 2) { Send(new ViewHostMsg_DidRedirectProvisionalLoad(routing_id_, page_id_, redirects[redirects.size() - 2], redirects.back())); } } void RenderViewImpl::didFailProvisionalLoad(WebFrame* frame, const WebURLError& error) { // Notify the browser that we failed a provisional load with an error. // // Note: It is important this notification occur before DidStopLoading so the // SSL manager can react to the provisional load failure before being // notified the load stopped. // WebDataSource* ds = frame->provisionalDataSource(); DCHECK(ds); const WebURLRequest& failed_request = ds->request(); FOR_EACH_OBSERVER( RenderViewObserver, observers_, DidFailProvisionalLoad(frame, error)); bool show_repost_interstitial = (error.reason == net::ERR_CACHE_MISS && EqualsASCII(failed_request.httpMethod(), "POST")); ViewHostMsg_DidFailProvisionalLoadWithError_Params params; params.frame_id = frame->identifier(); params.frame_unique_name = frame->uniqueName(); params.is_main_frame = !frame->parent(); params.error_code = error.reason; GetContentClient()->renderer()->GetNavigationErrorStrings( frame, failed_request, error, renderer_preferences_.accept_languages, NULL, ¶ms.error_description); params.url = error.unreachableURL; params.showing_repost_interstitial = show_repost_interstitial; Send(new ViewHostMsg_DidFailProvisionalLoadWithError( routing_id_, params)); // Don't display an error page if this is simply a cancelled load. Aside // from being dumb, WebCore doesn't expect it and it will cause a crash. if (error.reason == net::ERR_ABORTED) return; // Don't display "client blocked" error page if browser has asked us not to. if (error.reason == net::ERR_BLOCKED_BY_CLIENT && renderer_preferences_.disable_client_blocked_error_page) { return; } // Allow the embedder to suppress an error page. if (GetContentClient()->renderer()->ShouldSuppressErrorPage( error.unreachableURL)) { return; } if (RenderThreadImpl::current() && RenderThreadImpl::current()->layout_test_mode()) { return; } // Make sure we never show errors in view source mode. frame->enableViewSourceMode(false); DocumentState* document_state = DocumentState::FromDataSource(ds); NavigationState* navigation_state = document_state->navigation_state(); // If this is a failed back/forward/reload navigation, then we need to do a // 'replace' load. This is necessary to avoid messing up session history. // Otherwise, we do a normal load, which simulates a 'go' navigation as far // as session history is concerned. // // AUTO_SUBFRAME loads should always be treated as loads that do not advance // the page id. // // TODO(davidben): This should also take the failed navigation's replacement // state into account, if a location.replace() failed. bool replace = navigation_state->pending_page_id() != -1 || PageTransitionCoreTypeIs(navigation_state->transition_type(), PAGE_TRANSITION_AUTO_SUBFRAME); // If we failed on a browser initiated request, then make sure that our error // page load is regarded as the same browser initiated request. if (!navigation_state->is_content_initiated()) { pending_navigation_params_.reset(new ViewMsg_Navigate_Params); pending_navigation_params_->page_id = navigation_state->pending_page_id(); pending_navigation_params_->pending_history_list_offset = navigation_state->pending_history_list_offset(); pending_navigation_params_->should_clear_history_list = navigation_state->history_list_was_cleared(); pending_navigation_params_->transition = navigation_state->transition_type(); pending_navigation_params_->request_time = document_state->request_time(); pending_navigation_params_->should_replace_current_entry = replace; } // Provide the user with a more helpful error page? if (MaybeLoadAlternateErrorPage(frame, error, replace)) return; // Fallback to a local error page. LoadNavigationErrorPage(frame, failed_request, error, std::string(), replace); } void RenderViewImpl::didCommitProvisionalLoad(WebFrame* frame, bool is_new_navigation) { DocumentState* document_state = DocumentState::FromDataSource(frame->dataSource()); NavigationState* navigation_state = document_state->navigation_state(); InternalDocumentStateData* internal_data = InternalDocumentStateData::FromDocumentState(document_state); if (document_state->commit_load_time().is_null()) document_state->set_commit_load_time(Time::Now()); if (internal_data->must_reset_scroll_and_scale_state()) { webview()->resetScrollAndScaleState(); internal_data->set_must_reset_scroll_and_scale_state(false); } internal_data->set_use_error_page(false); if (is_new_navigation) { // When we perform a new navigation, we need to update the last committed // session history entry with state for the page we are leaving. UpdateSessionHistory(frame); // We bump our Page ID to correspond with the new session history entry. page_id_ = next_page_id_++; // Don't update history_page_ids_ (etc) for kSwappedOutURL, since // we don't want to forget the entry that was there, and since we will // never come back to kSwappedOutURL. Note that we have to call // UpdateSessionHistory and update page_id_ even in this case, so that // the current entry gets a state update and so that we don't send a // state update to the wrong entry when we swap back in. if (GetLoadingUrl(frame) != GURL(kSwappedOutURL)) { // Advance our offset in session history, applying the length limit. // There is now no forward history. history_list_offset_++; if (history_list_offset_ >= kMaxSessionHistoryEntries) history_list_offset_ = kMaxSessionHistoryEntries - 1; history_list_length_ = history_list_offset_ + 1; history_page_ids_.resize(history_list_length_, -1); history_page_ids_[history_list_offset_] = page_id_; } } else { // Inspect the navigation_state on this frame to see if the navigation // corresponds to a session history navigation... Note: |frame| may or // may not be the toplevel frame, but for the case of capturing session // history, the first committed frame suffices. We keep track of whether // we've seen this commit before so that only capture session history once // per navigation. // // Note that we need to check if the page ID changed. In the case of a // reload, the page ID doesn't change, and UpdateSessionHistory gets the // previous URL and the current page ID, which would be wrong. if (navigation_state->pending_page_id() != -1 && navigation_state->pending_page_id() != page_id_ && !navigation_state->request_committed()) { // This is a successful session history navigation! UpdateSessionHistory(frame); page_id_ = navigation_state->pending_page_id(); history_list_offset_ = navigation_state->pending_history_list_offset(); // If the history list is valid, our list of page IDs should be correct. DCHECK(history_list_length_ <= 0 || history_list_offset_ < 0 || history_list_offset_ >= history_list_length_ || history_page_ids_[history_list_offset_] == page_id_); } } FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitProvisionalLoad(frame, is_new_navigation)); // Remember that we've already processed this request, so we don't update // the session history again. We do this regardless of whether this is // a session history navigation, because if we attempted a session history // navigation without valid HistoryItem state, WebCore will think it is a // new navigation. navigation_state->set_request_committed(true); UpdateURL(frame); // Check whether we have new encoding name. UpdateEncoding(frame, frame->view()->pageEncoding().utf8()); if (!frame->parent()) { // Only for top frames. RenderThreadImpl* render_thread_impl = RenderThreadImpl::current(); if (render_thread_impl) { // Can be NULL in tests. render_thread_impl->histogram_customizer()-> RenderViewNavigatedToHost(GURL(GetLoadingUrl(frame)).host(), g_view_map.Get().size()); } } } void RenderViewImpl::didClearWindowObject(WebFrame* frame) { FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidClearWindowObject(frame)); if (enabled_bindings_ & BINDINGS_POLICY_DOM_AUTOMATION) { if (!dom_automation_controller_) dom_automation_controller_.reset(new DomAutomationController()); dom_automation_controller_->set_message_sender( static_cast(this)); dom_automation_controller_->set_routing_id(routing_id()); dom_automation_controller_->BindToJavascript(frame, "domAutomationController"); } if (enabled_bindings_ & BINDINGS_POLICY_STATS_COLLECTION) StatsCollectionController::Install(frame); } void RenderViewImpl::didCreateDocumentElement(WebFrame* frame) { FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCreateDocumentElement(frame)); } void RenderViewImpl::didReceiveTitle(WebFrame* frame, const WebString& title, WebTextDirection direction) { UpdateTitle(frame, title, direction); // Also check whether we have new encoding name. UpdateEncoding(frame, frame->view()->pageEncoding().utf8()); } void RenderViewImpl::didChangeIcon(WebFrame* frame, WebIconURL::Type icon_type) { if (frame->parent()) return; if (!TouchEnabled() && icon_type != WebIconURL::TypeFavicon) return; WebVector icon_urls = frame->iconURLs(icon_type); std::vector urls; for (size_t i = 0; i < icon_urls.size(); i++) { urls.push_back(FaviconURL(icon_urls[i].iconURL(), ToFaviconType(icon_urls[i].iconType()))); } SendUpdateFaviconURL(urls); } void RenderViewImpl::didFinishDocumentLoad(WebFrame* frame) { WebDataSource* ds = frame->dataSource(); DocumentState* document_state = DocumentState::FromDataSource(ds); document_state->set_finish_document_load_time(Time::Now()); Send(new ViewHostMsg_DocumentLoadedInFrame(routing_id_, frame->identifier())); FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidFinishDocumentLoad(frame)); // Check whether we have new encoding name. UpdateEncoding(frame, frame->view()->pageEncoding().utf8()); } void RenderViewImpl::didHandleOnloadEvents(WebFrame* frame) { if (webview()->mainFrame() == frame) { Send(new ViewHostMsg_DocumentOnLoadCompletedInMainFrame(routing_id_, page_id_)); } } void RenderViewImpl::didFailLoad(WebFrame* frame, const WebURLError& error) { WebDataSource* ds = frame->dataSource(); DCHECK(ds); FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidFailLoad(frame, error)); const WebURLRequest& failed_request = ds->request(); base::string16 error_description; GetContentClient()->renderer()->GetNavigationErrorStrings( frame, failed_request, error, renderer_preferences_.accept_languages, NULL, &error_description); Send(new ViewHostMsg_DidFailLoadWithError(routing_id_, frame->identifier(), failed_request.url(), !frame->parent(), error.reason, error_description)); } void RenderViewImpl::didFinishLoad(WebFrame* frame) { WebDataSource* ds = frame->dataSource(); DocumentState* document_state = DocumentState::FromDataSource(ds); if (document_state->finish_load_time().is_null()) { if (!frame->parent()) { TRACE_EVENT_INSTANT0("WebCore", "LoadFinished", TRACE_EVENT_SCOPE_PROCESS); } document_state->set_finish_load_time(Time::Now()); } FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidFinishLoad(frame)); Send(new ViewHostMsg_DidFinishLoad(routing_id_, frame->identifier(), ds->request().url(), !frame->parent())); } void RenderViewImpl::didNavigateWithinPage( WebFrame* frame, bool is_new_navigation) { // If this was a reference fragment navigation that we initiated, then we // could end up having a non-null pending navigation params. We just need to // update the ExtraData on the datasource so that others who read the // ExtraData will get the new NavigationState. Similarly, if we did not // initiate this navigation, then we need to take care to reset any pre- // existing navigation state to a content-initiated navigation state. // DidCreateDataSource conveniently takes care of this for us. didCreateDataSource(frame, frame->dataSource()); DocumentState* document_state = DocumentState::FromDataSource(frame->dataSource()); NavigationState* new_state = document_state->navigation_state(); new_state->set_was_within_same_page(true); didCommitProvisionalLoad(frame, is_new_navigation); } void RenderViewImpl::didUpdateCurrentHistoryItem(WebFrame* frame) { StartNavStateSyncTimerIfNecessary(); } void RenderViewImpl::willSendRequest(WebFrame* frame, unsigned identifier, WebURLRequest& request, const WebURLResponse& redirect_response) { NOTREACHED(); } void RenderViewImpl::didReceiveResponse( WebFrame* frame, unsigned identifier, const WebURLResponse& response) { NOTREACHED(); } void RenderViewImpl::didFinishResourceLoad( WebFrame* frame, unsigned identifier) { InternalDocumentStateData* internal_data = InternalDocumentStateData::FromDataSource(frame->dataSource()); if (!internal_data->use_error_page()) return; // Do not show error page when DevTools is attached. if (devtools_agent_->IsAttached()) return; // Display error page, if appropriate. int http_status_code = internal_data->http_status_code(); if (http_status_code == 404) { // On 404s, try a remote search page as a fallback. const GURL& document_url = frame->document().url(); const GURL& error_page_url = GetAlternateErrorPageURL(document_url, HTTP_404); if (error_page_url.is_valid()) { WebURLError original_error; original_error.domain = "http"; original_error.reason = 404; original_error.unreachableURL = document_url; internal_data->set_alt_error_page_fetcher( new AltErrorPageResourceFetcher( error_page_url, frame, frame->dataSource()->request(), original_error, base::Bind(&RenderViewImpl::AltErrorPageFinished, base::Unretained(this)))); return; } } std::string error_domain; if (GetContentClient()->renderer()->HasErrorPage( http_status_code, &error_domain)) { WebURLError error; error.unreachableURL = frame->document().url(); error.domain = WebString::fromUTF8(error_domain); error.reason = http_status_code; LoadNavigationErrorPage( frame, frame->dataSource()->request(), error, std::string(), true); } } void RenderViewImpl::didLoadResourceFromMemoryCache( WebFrame* frame, const WebURLRequest& request, const WebURLResponse& response) { NOTREACHED(); } void RenderViewImpl::didDisplayInsecureContent(WebFrame* frame) { NOTREACHED(); } void RenderViewImpl::didRunInsecureContent( WebFrame* frame, const WebSecurityOrigin& origin, const WebURL& target) { NOTREACHED(); } void RenderViewImpl::didExhaustMemoryAvailableForScript(WebFrame* frame) { NOTREACHED(); } void RenderViewImpl::didCreateScriptContext(WebFrame* frame, v8::Handle context, int extension_group, int world_id) { NOTREACHED(); } void RenderViewImpl::willReleaseScriptContext(WebFrame* frame, v8::Handle context, int world_id) { NOTREACHED(); } void RenderViewImpl::CheckPreferredSize() { // We don't always want to send the change messages over IPC, only if we've // been put in that mode by getting a |ViewMsg_EnablePreferredSizeChangedMode| // message. if (!send_preferred_size_changes_ || !webview()) return; gfx::Size size = webview()->contentsPreferredMinimumSize(); // In the presence of zoom, these sizes are still reported as if unzoomed, // so we need to adjust. double zoom_factor = ZoomLevelToZoomFactor(webview()->zoomLevel()); size.set_width(static_cast(size.width() * zoom_factor)); size.set_height(static_cast(size.height() * zoom_factor)); if (size == preferred_size_) return; preferred_size_ = size; Send(new ViewHostMsg_DidContentsPreferredSizeChange(routing_id_, preferred_size_)); } BrowserPluginManager* RenderViewImpl::GetBrowserPluginManager() { if (!browser_plugin_manager_.get()) browser_plugin_manager_ = BrowserPluginManager::Create(this); return browser_plugin_manager_.get(); } bool RenderViewImpl::InitializeMediaStreamClient() { if (media_stream_client_) return true; if (!RenderThreadImpl::current()) // Will be NULL during unit tests. return false; #if defined(OS_ANDROID) if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableWebRTC)) return false; #endif #if defined(ENABLE_WEBRTC) if (!media_stream_dispatcher_) media_stream_dispatcher_ = new MediaStreamDispatcher(this); MediaStreamImpl* media_stream_impl = new MediaStreamImpl( this, media_stream_dispatcher_, RenderThreadImpl::current()->GetMediaStreamDependencyFactory()); media_stream_client_ = media_stream_impl; web_user_media_client_ = media_stream_impl; return true; #else return false; #endif } void RenderViewImpl::didChangeContentsSize(WebFrame* frame, const WebSize& size) { if (webview()->mainFrame() != frame) return; WebView* frameView = frame->view(); if (!frameView) return; bool has_horizontal_scrollbar = frame->hasHorizontalScrollbar(); bool has_vertical_scrollbar = frame->hasVerticalScrollbar(); if (has_horizontal_scrollbar != cached_has_main_frame_horizontal_scrollbar_ || has_vertical_scrollbar != cached_has_main_frame_vertical_scrollbar_) { Send(new ViewHostMsg_DidChangeScrollbarsForMainFrame( routing_id_, has_horizontal_scrollbar, has_vertical_scrollbar)); cached_has_main_frame_horizontal_scrollbar_ = has_horizontal_scrollbar; cached_has_main_frame_vertical_scrollbar_ = has_vertical_scrollbar; } } void RenderViewImpl::UpdateScrollState(WebFrame* frame) { WebSize offset = frame->scrollOffset(); WebSize minimum_offset = frame->minimumScrollOffset(); WebSize maximum_offset = frame->maximumScrollOffset(); bool is_pinned_to_left = offset.width <= minimum_offset.width; bool is_pinned_to_right = offset.width >= maximum_offset.width; if (is_pinned_to_left != cached_is_main_frame_pinned_to_left_ || is_pinned_to_right != cached_is_main_frame_pinned_to_right_) { Send(new ViewHostMsg_DidChangeScrollOffsetPinningForMainFrame( routing_id_, is_pinned_to_left, is_pinned_to_right)); cached_is_main_frame_pinned_to_left_ = is_pinned_to_left; cached_is_main_frame_pinned_to_right_ = is_pinned_to_right; } Send(new ViewHostMsg_DidChangeScrollOffset(routing_id_)); } void RenderViewImpl::didChangeScrollOffset(WebFrame* frame) { StartNavStateSyncTimerIfNecessary(); if (webview()->mainFrame() == frame) UpdateScrollState(frame); FOR_EACH_OBSERVER( RenderViewObserver, observers_, DidChangeScrollOffset(frame)); } void RenderViewImpl::willInsertBody(blink::WebFrame* frame) { NOTREACHED(); } void RenderViewImpl::didFirstVisuallyNonEmptyLayout(WebFrame* frame) { if (frame != webview()->mainFrame()) return; InternalDocumentStateData* data = InternalDocumentStateData::FromDataSource(frame->dataSource()); data->set_did_first_visually_non_empty_layout(true); FOR_EACH_OBSERVER(RenderViewObserver, observers_, OnFirstVisuallyNonEmptyLayout()); #if defined(OS_ANDROID) // Update body background color if necessary. SkColor bg_color = webwidget_->backgroundColor(); // If not initialized, default to white. Note that 0 is different from black // as black still has alpha 0xFF. if (!bg_color) bg_color = SK_ColorWHITE; if (bg_color != body_background_color_) { body_background_color_ = bg_color; Send(new ViewHostMsg_DidChangeBodyBackgroundColor( GetRoutingID(), bg_color)); } #endif } void RenderViewImpl::SendFindReply(int request_id, int match_count, int ordinal, const WebRect& selection_rect, bool final_status_update) { Send(new ViewHostMsg_Find_Reply(routing_id_, request_id, match_count, selection_rect, ordinal, final_status_update)); } // static bool RenderViewImpl::ShouldUpdateSelectionTextFromContextMenuParams( const base::string16& selection_text, size_t selection_text_offset, const gfx::Range& selection_range, const ContextMenuParams& params) { base::string16 trimmed_selection_text; if (!selection_text.empty() && !selection_range.is_empty()) { const int start = selection_range.GetMin() - selection_text_offset; const size_t length = selection_range.length(); if (start >= 0 && start + length <= selection_text.length()) { TrimWhitespace(selection_text.substr(start, length), TRIM_ALL, &trimmed_selection_text); } } base::string16 trimmed_params_text; TrimWhitespace(params.selection_text, TRIM_ALL, &trimmed_params_text); return trimmed_params_text != trimmed_selection_text; } void RenderViewImpl::reportFindInPageMatchCount(int request_id, int count, bool final_update) { NOTREACHED(); } void RenderViewImpl::reportFindInPageSelection(int request_id, int active_match_ordinal, const WebRect& selection_rect) { NOTREACHED(); } void RenderViewImpl::requestStorageQuota( WebFrame* frame, WebStorageQuotaType type, unsigned long long requested_size, WebStorageQuotaCallbacks* callbacks) { NOTREACHED(); } bool RenderViewImpl::willCheckAndDispatchMessageEvent( blink::WebFrame* sourceFrame, blink::WebFrame* targetFrame, blink::WebSecurityOrigin target_origin, blink::WebDOMMessageEvent event) { if (!is_swapped_out_) return false; ViewMsg_PostMessage_Params params; params.data = event.data().toString(); params.source_origin = event.origin(); if (!target_origin.isNull()) params.target_origin = target_origin.toString(); blink::WebMessagePortChannelArray channels = event.releaseChannels(); if (!channels.isEmpty()) { std::vector message_port_ids(channels.size()); // Extract the port IDs from the channel array. for (size_t i = 0; i < channels.size(); ++i) { WebMessagePortChannelImpl* webchannel = static_cast(channels[i]); message_port_ids[i] = webchannel->message_port_id(); webchannel->QueueMessages(); DCHECK_NE(message_port_ids[i], MSG_ROUTING_NONE); } params.message_port_ids = message_port_ids; } // Include the routing ID for the source frame (if one exists), which the // browser process will translate into the routing ID for the equivalent // frame in the target process. params.source_routing_id = MSG_ROUTING_NONE; if (sourceFrame) { RenderViewImpl* source_view = FromWebView(sourceFrame->view()); if (source_view) params.source_routing_id = source_view->routing_id(); } Send(new ViewHostMsg_RouteMessageEvent(routing_id_, params)); return true; } void RenderViewImpl::willOpenSocketStream( WebSocketStreamHandle* handle) { NOTREACHED(); } void RenderViewImpl::willStartUsingPeerConnectionHandler( blink::WebFrame* frame, blink::WebRTCPeerConnectionHandler* handler) { NOTREACHED(); } blink::WebString RenderViewImpl::acceptLanguages() { return WebString::fromUTF8(renderer_preferences_.accept_languages); } blink::WebString RenderViewImpl::userAgentOverride( blink::WebFrame* frame, const blink::WebURL& url) { NOTREACHED(); return blink::WebString(); } WebString RenderViewImpl::doNotTrackValue(WebFrame* frame) { NOTREACHED(); return blink::WebString(); } bool RenderViewImpl::allowWebGL(WebFrame* frame, bool default_value) { NOTREACHED(); return false; } void RenderViewImpl::didLoseWebGLContext( blink::WebFrame* frame, int arb_robustness_status_code) { NOTREACHED(); } // blink::WebPageSerializerClient implementation ------------------------------ void RenderViewImpl::didSerializeDataForFrame( const WebURL& frame_url, const WebCString& data, WebPageSerializerClient::PageSerializationStatus status) { Send(new ViewHostMsg_SendSerializedHtmlData( routing_id(), frame_url, data.data(), static_cast(status))); } // RenderView implementation --------------------------------------------------- bool RenderViewImpl::Send(IPC::Message* message) { return RenderWidget::Send(message); } RenderFrame* RenderViewImpl::GetMainRenderFrame() { return main_render_frame_.get(); } int RenderViewImpl::GetRoutingID() const { return routing_id_; } int RenderViewImpl::GetPageId() const { return page_id_; } gfx::Size RenderViewImpl::GetSize() const { return size(); } WebPreferences& RenderViewImpl::GetWebkitPreferences() { return webkit_preferences_; } void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) { OnUpdateWebPreferences(preferences); } blink::WebView* RenderViewImpl::GetWebView() { return webview(); } blink::WebNode RenderViewImpl::GetFocusedNode() const { if (!webview()) return WebNode(); WebFrame* focused_frame = webview()->focusedFrame(); if (focused_frame) { WebDocument doc = focused_frame->document(); if (!doc.isNull()) return doc.focusedNode(); } return WebNode(); } blink::WebNode RenderViewImpl::GetContextMenuNode() const { return context_menu_node_; } bool RenderViewImpl::IsEditableNode(const WebNode& node) const { if (node.isNull()) return false; if (node.isContentEditable()) return true; if (node.isElementNode()) { const WebElement& element = node.toConst(); if (element.isTextFormControlElement()) return true; // Also return true if it has an ARIA role of 'textbox'. for (unsigned i = 0; i < element.attributeCount(); ++i) { if (LowerCaseEqualsASCII(element.attributeLocalName(i), "role")) { if (LowerCaseEqualsASCII(element.attributeValue(i), "textbox")) return true; break; } } } return false; } void RenderViewImpl::EvaluateScript(const base::string16& frame_xpath, const base::string16& jscript, int id, bool notify_result) { v8::HandleScope handle_scope(v8::Isolate::GetCurrent()); v8::Handle result; WebFrame* web_frame = GetChildFrame(frame_xpath); if (web_frame) result = web_frame->executeScriptAndReturnValue(WebScriptSource(jscript)); if (notify_result) { base::ListValue list; if (!result.IsEmpty() && web_frame) { v8::Local context = web_frame->mainWorldScriptContext(); v8::Context::Scope context_scope(context); V8ValueConverterImpl converter; converter.SetDateAllowed(true); converter.SetRegExpAllowed(true); base::Value* result_value = converter.FromV8Value(result, context); list.Set(0, result_value ? result_value : base::Value::CreateNullValue()); } else { list.Set(0, base::Value::CreateNullValue()); } Send(new ViewHostMsg_ScriptEvalResponse(routing_id_, id, list)); } } bool RenderViewImpl::ShouldDisplayScrollbars(int width, int height) const { return (!send_preferred_size_changes_ || (disable_scrollbars_size_limit_.width() <= width || disable_scrollbars_size_limit_.height() <= height)); } int RenderViewImpl::GetEnabledBindings() const { return enabled_bindings_; } bool RenderViewImpl::GetContentStateImmediately() const { return send_content_state_immediately_; } float RenderViewImpl::GetFilteredTimePerFrame() const { return filtered_time_per_frame(); } int RenderViewImpl::ShowContextMenu(ContextMenuClient* client, const ContextMenuParams& params) { DCHECK(client); // A null client means "internal" when we issue callbacks. ContextMenuParams our_params(params); our_params.custom_context.request_id = pending_context_menus_.Add(client); Send(new ViewHostMsg_ContextMenu(routing_id_, our_params)); return our_params.custom_context.request_id; } void RenderViewImpl::CancelContextMenu(int request_id) { DCHECK(pending_context_menus_.Lookup(request_id)); pending_context_menus_.Remove(request_id); } blink::WebPageVisibilityState RenderViewImpl::GetVisibilityState() const { return visibilityState(); } void RenderViewImpl::RunModalAlertDialog(blink::WebFrame* frame, const blink::WebString& message) { return runModalAlertDialog(frame, message); } void RenderViewImpl::DidStartLoading() { didStartLoading(); } void RenderViewImpl::DidStopLoading() { didStopLoading(); } void RenderViewImpl::DidPlay(blink::WebMediaPlayer* player) { Send(new ViewHostMsg_MediaNotification(routing_id_, reinterpret_cast(player), player->hasVideo(), player->hasAudio(), true)); } void RenderViewImpl::DidPause(blink::WebMediaPlayer* player) { Send(new ViewHostMsg_MediaNotification(routing_id_, reinterpret_cast(player), player->hasVideo(), player->hasAudio(), false)); } void RenderViewImpl::PlayerGone(blink::WebMediaPlayer* player) { DidPause(player); } void RenderViewImpl::SyncNavigationState() { if (!webview()) return; const WebHistoryItem& item = webview()->mainFrame()->currentHistoryItem(); SendUpdateState(item); } void RenderViewImpl::SyncSelectionIfRequired() { WebFrame* frame = webview()->focusedFrame(); if (!frame) return; base::string16 text; size_t offset; gfx::Range range; #if defined(ENABLE_PLUGINS) if (focused_pepper_plugin_) { focused_pepper_plugin_->GetSurroundingText(&text, &range); offset = 0; // Pepper API does not support offset reporting. // TODO(kinaba): cut as needed. } else #endif { size_t location, length; if (!webview()->caretOrSelectionRange(&location, &length)) return; range = gfx::Range(location, location + length); if (webview()->textInputInfo().type != blink::WebTextInputTypeNone) { // If current focused element is editable, we will send 100 more chars // before and after selection. It is for input method surrounding text // feature. if (location > kExtraCharsBeforeAndAfterSelection) offset = location - kExtraCharsBeforeAndAfterSelection; else offset = 0; length = location + length - offset + kExtraCharsBeforeAndAfterSelection; WebRange webrange = WebRange::fromDocumentRange(frame, offset, length); if (!webrange.isNull()) text = WebRange::fromDocumentRange(frame, offset, length).toPlainText(); } else { offset = location; text = frame->selectionAsText(); // http://crbug.com/101435 // In some case, frame->selectionAsText() returned text's length is not // equal to the length returned from webview()->caretOrSelectionRange(). // So we have to set the range according to text.length(). range.set_end(range.start() + text.length()); } } // Sometimes we get repeated didChangeSelection calls from webkit when // the selection hasn't actually changed. We don't want to report these // because it will cause us to continually claim the X clipboard. if (selection_text_offset_ != offset || selection_range_ != range || selection_text_ != text) { selection_text_ = text; selection_text_offset_ = offset; selection_range_ = range; Send(new ViewHostMsg_SelectionChanged(routing_id_, text, offset, range)); } UpdateSelectionBounds(); } GURL RenderViewImpl::GetAlternateErrorPageURL(const GURL& failed_url, ErrorPageType error_type) { if (failed_url.SchemeIsSecure()) { // If the URL that failed was secure, then the embedding web page was not // expecting a network attacker to be able to manipulate its contents. As // we fetch alternate error pages over HTTP, we would be allowing a network // attacker to manipulate the contents of the response if we tried to use // the link doctor here. return GURL(); } // Grab the base URL from the browser process. if (!alternate_error_page_url_.is_valid()) return GURL(); // Strip query params from the failed URL. GURL::Replacements remove_params; remove_params.ClearUsername(); remove_params.ClearPassword(); remove_params.ClearQuery(); remove_params.ClearRef(); const GURL url_to_send = failed_url.ReplaceComponents(remove_params); // TODO(yuusuke): change to net::FormatUrl when link doctor // becomes unicode-capable. std::string spec_to_send = url_to_send.spec(); // Notify link doctor of the url truncation by sending of "?" at the end. if (failed_url.has_query()) spec_to_send.append("?"); // Construct the query params to send to link doctor. std::string params(alternate_error_page_url_.query()); params.append("&url="); params.append(net::EscapeQueryParamValue(spec_to_send, true)); params.append("&sourceid=chrome"); params.append("&error="); switch (error_type) { case DNS_ERROR: params.append("dnserror"); break; case HTTP_404: params.append("http404"); break; case CONNECTION_ERROR: params.append("connectionfailure"); break; default: NOTREACHED() << "unknown ErrorPageType"; } // OK, build the final url to return. GURL::Replacements link_doctor_params; link_doctor_params.SetQueryStr(params); GURL url = alternate_error_page_url_.ReplaceComponents(link_doctor_params); return url; } GURL RenderViewImpl::GetLoadingUrl(blink::WebFrame* frame) const { WebDataSource* ds = frame->dataSource(); if (ds->hasUnreachableURL()) return ds->unreachableURL(); const WebURLRequest& request = ds->request(); return request.url(); } blink::WebPlugin* RenderViewImpl::GetWebPluginFromPluginDocument() { return webview()->mainFrame()->document().to().plugin(); } void RenderViewImpl::OnFind(int request_id, const base::string16& search_text, const WebFindOptions& options) { WebFrame* main_frame = webview()->mainFrame(); // Check if the plugin still exists in the document. if (main_frame->document().isPluginDocument() && GetWebPluginFromPluginDocument()) { if (options.findNext) { // Just navigate back/forward. GetWebPluginFromPluginDocument()->selectFindResult(options.forward); } else { if (!GetWebPluginFromPluginDocument()->startFind( search_text, options.matchCase, request_id)) { // Send "no results". SendFindReply(request_id, 0, 0, gfx::Rect(), true); } } return; } WebFrame* frame_after_main = main_frame->traverseNext(true); WebFrame* focused_frame = webview()->focusedFrame(); WebFrame* search_frame = focused_frame; // start searching focused frame. bool multi_frame = (frame_after_main != main_frame); // If we have multiple frames, we don't want to wrap the search within the // frame, so we check here if we only have main_frame in the chain. bool wrap_within_frame = !multi_frame; WebRect selection_rect; bool result = false; // If something is selected when we start searching it means we cannot just // increment the current match ordinal; we need to re-generate it. WebRange current_selection = focused_frame->selectionRange(); do { result = search_frame->find( request_id, search_text, options, wrap_within_frame, &selection_rect); if (!result) { // don't leave text selected as you move to the next frame. search_frame->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedNode()); // Find the next frame, but skip the invisible ones. do { // What is the next frame to search? (we might be going backwards). Note // that we specify wrap=true so that search_frame never becomes NULL. search_frame = options.forward ? search_frame->traverseNext(true) : search_frame->traversePrevious(true); } while (!search_frame->hasVisibleContent() && search_frame != focused_frame); // Make sure selection doesn't affect the search operation in new frame. search_frame->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedNode()); // If we have multiple frames and we have wrapped back around to the // focused frame, we need to search it once more allowing wrap within // the frame, otherwise it will report 'no match' if the focused frame has // reported matches, but no frames after the focused_frame contain a // match for the search word(s). if (multi_frame && search_frame == focused_frame) { result = search_frame->find( request_id, search_text, options, true, // Force wrapping. &selection_rect); } } webview()->setFocusedFrame(search_frame); } while (!result && search_frame != focused_frame); if (options.findNext && current_selection.isNull()) { // Force the main_frame to report the actual count. main_frame->increaseMatchCount(0, request_id); } else { // If nothing is found, set result to "0 of 0", otherwise, set it to // "-1 of 1" to indicate that we found at least one item, but we don't know // yet what is active. int ordinal = result ? -1 : 0; // -1 here means, we might know more later. int match_count = result ? 1 : 0; // 1 here means possibly more coming. // If we find no matches then this will be our last status update. // Otherwise the scoping effort will send more results. bool final_status_update = !result; SendFindReply(request_id, match_count, ordinal, selection_rect, final_status_update); // Scoping effort begins, starting with the mainframe. search_frame = main_frame; main_frame->resetMatchCount(); do { // Cancel all old scoping requests before starting a new one. search_frame->cancelPendingScopingEffort(); // We don't start another scoping effort unless at least one match has // been found. if (result) { // Start new scoping request. If the scoping function determines that it // needs to scope, it will defer until later. search_frame->scopeStringMatches(request_id, search_text, options, true); // reset the tickmarks } // Iterate to the next frame. The frame will not necessarily scope, for // example if it is not visible. search_frame = search_frame->traverseNext(true); } while (search_frame != main_frame); } } void RenderViewImpl::OnStopFinding(StopFindAction action) { WebView* view = webview(); if (!view) return; WebDocument doc = view->mainFrame()->document(); if (doc.isPluginDocument() && GetWebPluginFromPluginDocument()) { GetWebPluginFromPluginDocument()->stopFind(); return; } bool clear_selection = action == STOP_FIND_ACTION_CLEAR_SELECTION; if (clear_selection) { view->focusedFrame()->executeCommand(WebString::fromUTF8("Unselect"), GetFocusedNode()); } WebFrame* frame = view->mainFrame(); while (frame) { frame->stopFinding(clear_selection); frame = frame->traverseNext(false); } if (action == STOP_FIND_ACTION_ACTIVATE_SELECTION) { WebFrame* focused_frame = view->focusedFrame(); if (focused_frame) { WebDocument doc = focused_frame->document(); if (!doc.isNull()) { WebNode node = doc.focusedNode(); if (!node.isNull()) node.simulateClick(); } } } } #if defined(OS_ANDROID) void RenderViewImpl::OnActivateNearestFindResult(int request_id, float x, float y) { if (!webview()) return; WebFrame* main_frame = webview()->mainFrame(); WebRect selection_rect; int ordinal = main_frame->selectNearestFindMatch(WebFloatPoint(x, y), &selection_rect); if (ordinal == -1) { // Something went wrong, so send a no-op reply (force the main_frame to // report the current match count) in case the host is waiting for a // response due to rate-limiting). main_frame->increaseMatchCount(0, request_id); return; } SendFindReply(request_id, -1 /* number_of_matches */, ordinal, selection_rect, true /* final_update */); } void RenderViewImpl::OnFindMatchRects(int current_version) { if (!webview()) return; WebFrame* main_frame = webview()->mainFrame(); std::vector match_rects; int rects_version = main_frame->findMatchMarkersVersion(); if (current_version != rects_version) { WebVector web_match_rects; main_frame->findMatchRects(web_match_rects); match_rects.reserve(web_match_rects.size()); for (size_t i = 0; i < web_match_rects.size(); ++i) match_rects.push_back(gfx::RectF(web_match_rects[i])); } gfx::RectF active_rect = main_frame->activeFindMatchRect(); Send(new ViewHostMsg_FindMatchRects_Reply(routing_id_, rects_version, match_rects, active_rect)); } #endif void RenderViewImpl::OnZoom(PageZoom zoom) { if (!webview()) // Not sure if this can happen, but no harm in being safe. return; webview()->hidePopups(); double old_zoom_level = webview()->zoomLevel(); double zoom_level; if (zoom == PAGE_ZOOM_RESET) { zoom_level = 0; } else if (static_cast(old_zoom_level) == old_zoom_level) { // Previous zoom level is a whole number, so just increment/decrement. zoom_level = old_zoom_level + zoom; } else { // Either the user hit the zoom factor limit and thus the zoom level is now // not a whole number, or a plugin changed it to a custom value. We want // to go to the next whole number so that the user can always get back to // 100% with the keyboard/menu. if ((old_zoom_level > 1 && zoom > 0) || (old_zoom_level < 1 && zoom < 0)) { zoom_level = static_cast(old_zoom_level + zoom); } else { // We're going towards 100%, so first go to the next whole number. zoom_level = static_cast(old_zoom_level); } } webview()->setZoomLevel(zoom_level); zoomLevelChanged(); } void RenderViewImpl::OnZoomFactor(PageZoom zoom, int zoom_center_x, int zoom_center_y) { ZoomFactorHelper(zoom, zoom_center_x, zoom_center_y, kScalingIncrementForGesture); } void RenderViewImpl::ZoomFactorHelper(PageZoom zoom, int zoom_center_x, int zoom_center_y, float scaling_increment) { if (!webview()) // Not sure if this can happen, but no harm in being safe. return; double old_page_scale_factor = webview()->pageScaleFactor(); double page_scale_factor; if (zoom == PAGE_ZOOM_RESET) { page_scale_factor = 1.0; } else { page_scale_factor = old_page_scale_factor + (zoom > 0 ? scaling_increment : -scaling_increment); } if (page_scale_factor > 0) { webview()->setPageScaleFactor(page_scale_factor, WebPoint(zoom_center_x, zoom_center_y)); } } void RenderViewImpl::OnSetZoomLevel(double zoom_level) { webview()->hidePopups(); webview()->setZoomLevel(zoom_level); zoomLevelChanged(); } void RenderViewImpl::OnSetZoomLevelForLoadingURL(const GURL& url, double zoom_level) { #if !defined(OS_ANDROID) // On Android, page zoom isn't used, and in case of WebView, text zoom is used // for legacy WebView text scaling emulation. Thus, the code that resets // the zoom level from this map will be effectively resetting text zoom level. host_zoom_levels_[url] = zoom_level; #endif } void RenderViewImpl::OnSetPageEncoding(const std::string& encoding_name) { webview()->setPageEncoding(WebString::fromUTF8(encoding_name)); } void RenderViewImpl::OnResetPageEncodingToDefault() { WebString no_encoding; webview()->setPageEncoding(no_encoding); } WebFrame* RenderViewImpl::GetChildFrame(const base::string16& xpath) const { if (xpath.empty()) return webview()->mainFrame(); // xpath string can represent a frame deep down the tree (across multiple // frame DOMs). // Example, /html/body/table/tbody/tr/td/iframe\n/frameset/frame[0] // should break into 2 xpaths // /html/body/table/tbody/tr/td/iframe & /frameset/frame[0] std::vector xpaths; base::SplitString(xpath, '\n', &xpaths); WebFrame* frame = webview()->mainFrame(); for (std::vector::const_iterator i = xpaths.begin(); frame && i != xpaths.end(); ++i) { frame = frame->findChildByExpression(*i); } return frame; } void RenderViewImpl::OnScriptEvalRequest(const base::string16& frame_xpath, const base::string16& jscript, int id, bool notify_result) { TRACE_EVENT_INSTANT0("test_tracing", "OnScriptEvalRequest", TRACE_EVENT_SCOPE_THREAD); EvaluateScript(frame_xpath, jscript, id, notify_result); } void RenderViewImpl::OnPostMessageEvent( const ViewMsg_PostMessage_Params& params) { // TODO(nasko): Support sending to subframes. WebFrame* frame = webview()->mainFrame(); // Find the source frame if it exists. WebFrame* source_frame = NULL; if (params.source_routing_id != MSG_ROUTING_NONE) { RenderViewImpl* source_view = FromRoutingID(params.source_routing_id); if (source_view) source_frame = source_view->webview()->mainFrame(); } // If the message contained MessagePorts, create the corresponding endpoints. DCHECK_EQ(params.message_port_ids.size(), params.new_routing_ids.size()); blink::WebMessagePortChannelArray channels(params.message_port_ids.size()); for (size_t i = 0; i < params.message_port_ids.size() && i < params.new_routing_ids.size(); ++i) { channels[i] = new WebMessagePortChannelImpl(params.new_routing_ids[i], params.message_port_ids[i], base::MessageLoopProxy::current().get()); } // Create an event with the message. The final parameter to initMessageEvent // is the last event ID, which is not used with postMessage. WebDOMEvent event = frame->document().createEvent("MessageEvent"); WebDOMMessageEvent msg_event = event.to(); msg_event.initMessageEvent("message", // |canBubble| and |cancellable| are always false false, false, WebSerializedScriptValue::fromString(params.data), params.source_origin, source_frame, "", channels); // We must pass in the target_origin to do the security check on this side, // since it may have changed since the original postMessage call was made. WebSecurityOrigin target_origin; if (!params.target_origin.empty()) { target_origin = WebSecurityOrigin::createFromString(WebString(params.target_origin)); } frame->dispatchMessageEventWithOriginCheck(target_origin, msg_event); } void RenderViewImpl::OnCSSInsertRequest(const base::string16& frame_xpath, const std::string& css) { WebFrame* frame = GetChildFrame(frame_xpath); if (!frame) return; frame->document().insertUserStyleSheet( WebString::fromUTF8(css), WebDocument::UserStyleAuthorLevel); } void RenderViewImpl::OnAllowBindings(int enabled_bindings_flags) { if ((enabled_bindings_flags & BINDINGS_POLICY_WEB_UI) && !(enabled_bindings_ & BINDINGS_POLICY_WEB_UI)) { // WebUI uses which is not yet enabled by default in Chrome. WebRuntimeFeatures::enableDialogElement(true); RenderThread::Get()->RegisterExtension(WebUIExtension::Get()); new WebUIExtensionData(this); } enabled_bindings_ |= enabled_bindings_flags; // Keep track of the total bindings accumulated in this process. RenderProcess::current()->AddBindings(enabled_bindings_flags); } void RenderViewImpl::OnDragTargetDragEnter(const DropData& drop_data, const gfx::Point& client_point, const gfx::Point& screen_point, WebDragOperationsMask ops, int key_modifiers) { WebDragOperation operation = webview()->dragTargetDragEnter( DropDataToWebDragData(drop_data), client_point, screen_point, ops, key_modifiers); Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation)); } void RenderViewImpl::OnDragTargetDragOver(const gfx::Point& client_point, const gfx::Point& screen_point, WebDragOperationsMask ops, int key_modifiers) { WebDragOperation operation = webview()->dragTargetDragOver( client_point, screen_point, ops, key_modifiers); Send(new DragHostMsg_UpdateDragCursor(routing_id_, operation)); } void RenderViewImpl::OnDragTargetDragLeave() { webview()->dragTargetDragLeave(); } void RenderViewImpl::OnDragTargetDrop(const gfx::Point& client_point, const gfx::Point& screen_point, int key_modifiers) { webview()->dragTargetDrop(client_point, screen_point, key_modifiers); Send(new DragHostMsg_TargetDrop_ACK(routing_id_)); } void RenderViewImpl::OnDragSourceEndedOrMoved(const gfx::Point& client_point, const gfx::Point& screen_point, bool ended, WebDragOperation op) { if (ended) { webview()->dragSourceEndedAt(client_point, screen_point, op); } else { webview()->dragSourceMovedTo(client_point, screen_point, op); } } void RenderViewImpl::OnDragSourceSystemDragEnded() { webview()->dragSourceSystemDragEnded(); } void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) { webkit_preferences_ = prefs; ApplyWebPreferences(webkit_preferences_, webview()); } void RenderViewImpl::OnUpdateTimezone() { if (webview()) NotifyTimezoneChange(webview()->mainFrame()); } void RenderViewImpl::OnSetAltErrorPageURL(const GURL& url) { alternate_error_page_url_ = url; } void RenderViewImpl::OnCustomContextMenuAction( const CustomContextMenuContext& custom_context, unsigned action) { if (custom_context.request_id) { // External context menu request, look in our map. ContextMenuClient* client = pending_context_menus_.Lookup(custom_context.request_id); if (client) client->OnMenuAction(custom_context.request_id, action); } else { // Internal request, forward to WebKit. webview()->performCustomContextMenuAction(action); } } void RenderViewImpl::OnEnumerateDirectoryResponse( int id, const std::vector& paths) { if (!enumeration_completions_[id]) return; WebVector ws_file_names(paths.size()); for (size_t i = 0; i < paths.size(); ++i) ws_file_names[i] = paths[i].AsUTF16Unsafe(); enumeration_completions_[id]->didChooseFile(ws_file_names); enumeration_completions_.erase(id); } void RenderViewImpl::OnFileChooserResponse( const std::vector& files) { // This could happen if we navigated to a different page before the user // closed the chooser. if (file_chooser_completions_.empty()) return; // Convert Chrome's SelectedFileInfo list to WebKit's. WebVector selected_files( files.size()); for (size_t i = 0; i < files.size(); ++i) { WebFileChooserCompletion::SelectedFileInfo selected_file; selected_file.path = files[i].local_path.AsUTF16Unsafe(); selected_file.displayName = base::FilePath(files[i].display_name).AsUTF16Unsafe(); selected_files[i] = selected_file; } if (file_chooser_completions_.front()->completion) file_chooser_completions_.front()->completion->didChooseFile( selected_files); file_chooser_completions_.pop_front(); // If there are more pending file chooser requests, schedule one now. if (!file_chooser_completions_.empty()) { Send(new ViewHostMsg_RunFileChooser(routing_id_, file_chooser_completions_.front()->params)); } } void RenderViewImpl::OnEnableAutoResize(const gfx::Size& min_size, const gfx::Size& max_size) { DCHECK(disable_scrollbars_size_limit_.IsEmpty()); if (!webview()) return; auto_resize_mode_ = true; webview()->enableAutoResizeMode(min_size, max_size); } void RenderViewImpl::OnDisableAutoResize(const gfx::Size& new_size) { DCHECK(disable_scrollbars_size_limit_.IsEmpty()); if (!webview()) return; auto_resize_mode_ = false; webview()->disableAutoResizeMode(); if (!new_size.IsEmpty()) { Resize(new_size, physical_backing_size_, overdraw_bottom_height_, resizer_rect_, is_fullscreen_, NO_RESIZE_ACK); } } void RenderViewImpl::OnEnablePreferredSizeChangedMode() { if (send_preferred_size_changes_) return; send_preferred_size_changes_ = true; // Start off with an initial preferred size notification (in case // |didUpdateLayout| was already called). didUpdateLayout(); } void RenderViewImpl::OnDisableScrollbarsForSmallWindows( const gfx::Size& disable_scrollbar_size_limit) { disable_scrollbars_size_limit_ = disable_scrollbar_size_limit; } void RenderViewImpl::OnSetRendererPrefs( const RendererPreferences& renderer_prefs) { double old_zoom_level = renderer_preferences_.default_zoom_level; renderer_preferences_ = renderer_prefs; UpdateFontRenderingFromRendererPrefs(); #if defined(USE_DEFAULT_RENDER_THEME) || defined(TOOLKIT_GTK) if (renderer_prefs.use_custom_colors) { WebColorName name = blink::WebColorWebkitFocusRingColor; blink::setNamedColors(&name, &renderer_prefs.focus_ring_color, 1); blink::setCaretBlinkInterval(renderer_prefs.caret_blink_interval); #if defined(TOOLKIT_GTK) ui::NativeTheme::instance()->SetScrollbarColors( renderer_prefs.thumb_inactive_color, renderer_prefs.thumb_active_color, renderer_prefs.track_color); #endif // defined(TOOLKIT_GTK) if (webview()) { webview()->setSelectionColors( renderer_prefs.active_selection_bg_color, renderer_prefs.active_selection_fg_color, renderer_prefs.inactive_selection_bg_color, renderer_prefs.inactive_selection_fg_color); webview()->themeChanged(); } } #endif // defined(USE_DEFAULT_RENDER_THEME) || defined(TOOLKIT_GTK) if (RenderThreadImpl::current()) // Will be NULL during unit tests. RenderThreadImpl::current()->SetFlingCurveParameters( renderer_prefs.touchpad_fling_profile, renderer_prefs.touchscreen_fling_profile); // If the zoom level for this page matches the old zoom default, and this // is not a plugin, update the zoom level to match the new default. if (webview() && !webview()->mainFrame()->document().isPluginDocument() && !ZoomValuesEqual(old_zoom_level, renderer_preferences_.default_zoom_level) && ZoomValuesEqual(webview()->zoomLevel(), old_zoom_level)) { webview()->setZoomLevel(renderer_preferences_.default_zoom_level); zoomLevelChanged(); } } void RenderViewImpl::OnMediaPlayerActionAt(const gfx::Point& location, const WebMediaPlayerAction& action) { if (webview()) webview()->performMediaPlayerAction(action, location); } void RenderViewImpl::OnOrientationChangeEvent(int orientation) { // Screen has rotated. 0 = default (portrait), 90 = one turn right, and so on. FOR_EACH_OBSERVER(RenderViewObserver, observers_, OrientationChangeEvent(orientation)); webview()->mainFrame()->sendOrientationChangeEvent(orientation); } void RenderViewImpl::OnPluginActionAt(const gfx::Point& location, const WebPluginAction& action) { if (webview()) webview()->performPluginAction(action, location); } void RenderViewImpl::OnGetAllSavableResourceLinksForCurrentPage( const GURL& page_url) { // Prepare list to storage all savable resource links. std::vector resources_list; std::vector referrer_urls_list; std::vector referrer_policies_list; std::vector frames_list; SavableResourcesResult result(&resources_list, &referrer_urls_list, &referrer_policies_list, &frames_list); // webkit/ doesn't know about Referrer. if (!GetAllSavableResourceLinksForCurrentPage( webview(), page_url, &result, const_cast(GetSavableSchemes()))) { // If something is wrong when collecting all savable resource links, // send empty list to embedder(browser) to tell it failed. referrer_urls_list.clear(); referrer_policies_list.clear(); resources_list.clear(); frames_list.clear(); } std::vector referrers_list; CHECK_EQ(referrer_urls_list.size(), referrer_policies_list.size()); for (unsigned i = 0; i < referrer_urls_list.size(); ++i) { referrers_list.push_back( Referrer(referrer_urls_list[i], referrer_policies_list[i])); } // Send result of all savable resource links to embedder. Send(new ViewHostMsg_SendCurrentPageAllSavableResourceLinks(routing_id(), resources_list, referrers_list, frames_list)); } void RenderViewImpl::OnGetSerializedHtmlDataForCurrentPageWithLocalLinks( const std::vector& links, const std::vector& local_paths, const base::FilePath& local_directory_name) { // Convert std::vector of GURLs to WebVector WebVector weburl_links(links); // Convert std::vector of base::FilePath to WebVector WebVector webstring_paths(local_paths.size()); for (size_t i = 0; i < local_paths.size(); i++) webstring_paths[i] = local_paths[i].AsUTF16Unsafe(); WebPageSerializer::serialize(webview()->mainFrame(), true, this, weburl_links, webstring_paths, local_directory_name.AsUTF16Unsafe()); } void RenderViewImpl::OnShouldClose() { base::TimeTicks before_unload_start_time = base::TimeTicks::Now(); bool should_close = webview()->dispatchBeforeUnloadEvent(); base::TimeTicks before_unload_end_time = base::TimeTicks::Now(); Send(new ViewHostMsg_ShouldClose_ACK(routing_id_, should_close, before_unload_start_time, before_unload_end_time)); } void RenderViewImpl::OnSuppressDialogsUntilSwapOut() { // Don't show any more dialogs until we finish OnSwapOut. suppress_dialogs_until_swap_out_ = true; } void RenderViewImpl::OnSwapOut() { // Only run unload if we're not swapped out yet, but send the ack either way. if (!is_swapped_out_) { // Swap this RenderView out so the tab can navigate to a page rendered by a // different process. This involves running the unload handler and clearing // the page. Once WasSwappedOut is called, we also allow this process to // exit if there are no other active RenderViews in it. // Send an UpdateState message before we get swapped out. SyncNavigationState(); // Synchronously run the unload handler before sending the ACK. webview()->dispatchUnloadEvent(); // Swap out and stop sending any IPC messages that are not ACKs. SetSwappedOut(true); // Now that we're swapped out and filtering IPC messages, stop loading to // ensure that no other in-progress navigation continues. We do this here // to avoid sending a DidStopLoading message to the browser process. OnStop(); // Replace the page with a blank dummy URL. The unload handler will not be // run a second time, thanks to a check in FrameLoader::stopLoading. // TODO(creis): Need to add a better way to do this that avoids running the // beforeunload handler. For now, we just run it a second time silently. NavigateToSwappedOutURL(webview()->mainFrame()); // Let WebKit know that this view is hidden so it can drop resources and // stop compositing. webview()->setVisibilityState(blink::WebPageVisibilityStateHidden, false); } // It is now safe to show modal dialogs again. suppress_dialogs_until_swap_out_ = false; Send(new ViewHostMsg_SwapOut_ACK(routing_id_)); } void RenderViewImpl::NavigateToSwappedOutURL(blink::WebFrame* frame) { // We use loadRequest instead of loadHTMLString because the former commits // synchronously. Otherwise a new navigation can interrupt the navigation // to kSwappedOutURL. If that happens to be to the page we had been // showing, then WebKit will never send a commit and we'll be left spinning. CHECK(is_swapped_out_); GURL swappedOutURL(kSwappedOutURL); WebURLRequest request(swappedOutURL); frame->loadRequest(request); } void RenderViewImpl::OnClosePage() { FOR_EACH_OBSERVER(RenderViewObserver, observers_, ClosePage()); // TODO(creis): We'd rather use webview()->Close() here, but that currently // sets the WebView's delegate_ to NULL, preventing any JavaScript dialogs // in the onunload handler from appearing. For now, we're bypassing that and // calling the FrameLoader's CloseURL method directly. This should be // revisited to avoid having two ways to close a page. Having a single way // to close that can run onunload is also useful for fixing // http://b/issue?id=753080. webview()->dispatchUnloadEvent(); Send(new ViewHostMsg_ClosePage_ACK(routing_id_)); } void RenderViewImpl::OnThemeChanged() { #if defined(USE_AURA) // Aura doesn't care if we switch themes. #elif defined(OS_WIN) ui::NativeThemeWin::instance()->CloseHandles(); if (webview()) webview()->themeChanged(); #else // defined(OS_WIN) // TODO(port): we don't support theming on non-Windows platforms yet NOTIMPLEMENTED(); #endif } bool RenderViewImpl::MaybeLoadAlternateErrorPage(WebFrame* frame, const WebURLError& error, bool replace) { // We only show alternate error pages in the main frame. They are // intended to assist the user when navigating, so there is not much // value in showing them for failed subframes. Ideally, we would be // able to use the TYPED transition type for this, but that flag is // not preserved across page reloads. if (frame->parent()) return false; // Use the alternate error page service if this is a DNS failure or // connection failure. int ec = error.reason; if (ec != net::ERR_NAME_NOT_RESOLVED && ec != net::ERR_CONNECTION_FAILED && ec != net::ERR_CONNECTION_REFUSED && ec != net::ERR_ADDRESS_UNREACHABLE && ec != net::ERR_CONNECTION_TIMED_OUT) { return false; } const GURL& error_page_url = GetAlternateErrorPageURL(error.unreachableURL, ec == net::ERR_NAME_NOT_RESOLVED ? DNS_ERROR : CONNECTION_ERROR); if (!error_page_url.is_valid()) return false; WebDataSource* ds = frame->provisionalDataSource(); const WebURLRequest& failed_request = ds->request(); // Load an empty page first so there is an immediate response to the error, // and then kick off a request for the alternate error page. frame->loadHTMLString(std::string(), GURL(kUnreachableWebDataURL), error.unreachableURL, replace); // Now, create a fetcher for the error page and associate it with the data // source we just created via the LoadHTMLString call. That way if another // navigation occurs, the fetcher will get destroyed. InternalDocumentStateData* internal_data = InternalDocumentStateData::FromDataSource(frame->provisionalDataSource()); internal_data->set_alt_error_page_fetcher( new AltErrorPageResourceFetcher( error_page_url, frame, failed_request, error, base::Bind(&RenderViewImpl::AltErrorPageFinished, base::Unretained(this)))); return true; } void RenderViewImpl::AltErrorPageFinished(WebFrame* frame, const WebURLRequest& original_request, const WebURLError& original_error, const std::string& html) { // Here, we replace the blank page we loaded previously. // If we failed to download the alternate error page, LoadNavigationErrorPage // will simply display a default error page. LoadNavigationErrorPage(frame, original_request, original_error, html, true); } void RenderViewImpl::OnMoveOrResizeStarted() { if (webview()) webview()->hidePopups(); } void RenderViewImpl::OnResize(const ViewMsg_Resize_Params& params) { if (webview()) { webview()->hidePopups(); if (send_preferred_size_changes_) { webview()->mainFrame()->setCanHaveScrollbars( ShouldDisplayScrollbars(params.new_size.width(), params.new_size.height())); } UpdateScrollState(webview()->mainFrame()); } RenderWidget::OnResize(params); } void RenderViewImpl::DidInitiatePaint() { #if defined(ENABLE_PLUGINS) main_render_frame_->DidInitiatePaint(); #endif } void RenderViewImpl::DidFlushPaint() { #if defined(ENABLE_PLUGINS) main_render_frame_->DidFlushPaint(); #endif // If the RenderWidget is closing down then early-exit, otherwise we'll crash. // See crbug.com/112921. if (!webview()) return; WebFrame* main_frame = webview()->mainFrame(); // If we have a provisional frame we are between the start and commit stages // of loading and we don't want to save stats. if (!main_frame->provisionalDataSource()) { WebDataSource* ds = main_frame->dataSource(); DocumentState* document_state = DocumentState::FromDataSource(ds); InternalDocumentStateData* data = InternalDocumentStateData::FromDocumentState(document_state); if (data->did_first_visually_non_empty_layout() && !data->did_first_visually_non_empty_paint()) { data->set_did_first_visually_non_empty_paint(true); Send(new ViewHostMsg_DidFirstVisuallyNonEmptyPaint(routing_id_, page_id_)); } // TODO(jar): The following code should all be inside a method, probably in // NavigatorState. Time now = Time::Now(); if (document_state->first_paint_time().is_null()) { document_state->set_first_paint_time(now); } if (document_state->first_paint_after_load_time().is_null() && !document_state->finish_load_time().is_null()) { document_state->set_first_paint_after_load_time(now); } } } PepperPluginInstanceImpl* RenderViewImpl::GetBitmapForOptimizedPluginPaint( const gfx::Rect& paint_bounds, TransportDIB** dib, gfx::Rect* location, gfx::Rect* clip, float* scale_factor) { #if defined(ENABLE_PLUGINS) return main_render_frame_->GetBitmapForOptimizedPluginPaint( paint_bounds, dib, location, clip, scale_factor); #endif return NULL; } gfx::Vector2d RenderViewImpl::GetScrollOffset() { WebSize scroll_offset = webview()->mainFrame()->scrollOffset(); return gfx::Vector2d(scroll_offset.width, scroll_offset.height); } void RenderViewImpl::OnClearFocusedNode() { if (webview()) webview()->clearFocusedNode(); } void RenderViewImpl::OnSetBackground(const SkBitmap& background) { if (webview()) webview()->setIsTransparent(!background.empty()); if (compositor_) compositor_->setHasTransparentBackground(!background.empty()); SetBackground(background); } void RenderViewImpl::OnSetAccessibilityMode(AccessibilityMode new_mode) { if (accessibility_mode_ == new_mode) return; accessibility_mode_ = new_mode; if (renderer_accessibility_) { delete renderer_accessibility_; renderer_accessibility_ = NULL; } if (accessibility_mode_ == AccessibilityModeComplete) renderer_accessibility_ = new RendererAccessibilityComplete(this); #if !defined(OS_ANDROID) else if (accessibility_mode_ == AccessibilityModeEditableTextOnly) renderer_accessibility_ = new RendererAccessibilityFocusOnly(this); #endif } void RenderViewImpl::OnSetActive(bool active) { if (webview()) webview()->setIsActive(active); #if defined(ENABLE_PLUGINS) && defined(OS_MACOSX) std::set::iterator plugin_it; for (plugin_it = plugin_delegates_.begin(); plugin_it != plugin_delegates_.end(); ++plugin_it) { (*plugin_it)->SetWindowFocus(active); } #endif } #if defined(OS_MACOSX) void RenderViewImpl::OnSetWindowVisibility(bool visible) { #if defined(ENABLE_PLUGINS) // Inform plugins that their container has changed visibility. std::set::iterator plugin_it; for (plugin_it = plugin_delegates_.begin(); plugin_it != plugin_delegates_.end(); ++plugin_it) { (*plugin_it)->SetContainerVisibility(visible); } #endif } void RenderViewImpl::OnWindowFrameChanged(const gfx::Rect& window_frame, const gfx::Rect& view_frame) { #if defined(ENABLE_PLUGINS) // Inform plugins that their window's frame has changed. std::set::iterator plugin_it; for (plugin_it = plugin_delegates_.begin(); plugin_it != plugin_delegates_.end(); ++plugin_it) { (*plugin_it)->WindowFrameChanged(window_frame, view_frame); } #endif } void RenderViewImpl::OnPluginImeCompositionCompleted(const base::string16& text, int plugin_id) { // WebPluginDelegateProxy is responsible for figuring out if this event // applies to it or not, so inform all the delegates. std::set::iterator plugin_it; for (plugin_it = plugin_delegates_.begin(); plugin_it != plugin_delegates_.end(); ++plugin_it) { (*plugin_it)->ImeCompositionCompleted(text, plugin_id); } } #endif // OS_MACOSX void RenderViewImpl::Close() { // We need to grab a pointer to the doomed WebView before we destroy it. WebView* doomed = webview(); RenderWidget::Close(); g_view_map.Get().erase(doomed); g_routing_id_view_map.Get().erase(routing_id_); } void RenderViewImpl::DidHandleKeyEvent() { ClearEditCommands(); } bool RenderViewImpl::WillHandleMouseEvent(const blink::WebMouseEvent& event) { context_menu_source_type_ = ui::MENU_SOURCE_MOUSE; possible_drag_event_info_.event_source = ui::DragDropTypes::DRAG_EVENT_SOURCE_MOUSE; possible_drag_event_info_.event_location = gfx::Point(event.globalX, event.globalY); #if defined(ENABLE_PLUGINS) main_render_frame_->WillHandleMouseEvent(event); #endif // If the mouse is locked, only the current owner of the mouse lock can // process mouse events. return mouse_lock_dispatcher_->WillHandleMouseEvent(event); } bool RenderViewImpl::WillHandleKeyEvent(const blink::WebKeyboardEvent& event) { context_menu_source_type_ = ui::MENU_SOURCE_KEYBOARD; return false; } bool RenderViewImpl::WillHandleGestureEvent( const blink::WebGestureEvent& event) { context_menu_source_type_ = ui::MENU_SOURCE_TOUCH; possible_drag_event_info_.event_source = ui::DragDropTypes::DRAG_EVENT_SOURCE_TOUCH; possible_drag_event_info_.event_location = gfx::Point(event.globalX, event.globalY); return false; } void RenderViewImpl::DidHandleMouseEvent(const WebMouseEvent& event) { FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleMouseEvent(event)); } void RenderViewImpl::DidHandleTouchEvent(const WebTouchEvent& event) { FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidHandleTouchEvent(event)); } bool RenderViewImpl::HasTouchEventHandlersAt(const gfx::Point& point) const { if (!webview()) return false; return webview()->hasTouchEventHandlersAt(point); } void RenderViewImpl::OnWasHidden() { RenderWidget::OnWasHidden(); #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC) RenderThreadImpl::current()->video_capture_impl_manager()-> SuspendDevices(true); #endif if (webview()) webview()->setVisibilityState(visibilityState(), false); #if defined(ENABLE_PLUGINS) main_render_frame_->PageVisibilityChanged(false); #if defined(OS_MACOSX) // Inform NPAPI plugins that their container is no longer visible. std::set::iterator plugin_it; for (plugin_it = plugin_delegates_.begin(); plugin_it != plugin_delegates_.end(); ++plugin_it) { (*plugin_it)->SetContainerVisibility(false); } #endif // OS_MACOSX #endif // ENABLE_PLUGINS } void RenderViewImpl::OnWasShown(bool needs_repainting) { RenderWidget::OnWasShown(needs_repainting); #if defined(OS_ANDROID) && defined(ENABLE_WEBRTC) RenderThreadImpl::current()->video_capture_impl_manager()-> SuspendDevices(false); #endif if (webview()) webview()->setVisibilityState(visibilityState(), false); #if defined(ENABLE_PLUGINS) main_render_frame_->PageVisibilityChanged(true); #if defined(OS_MACOSX) // Inform NPAPI plugins that their container is now visible. std::set::iterator plugin_it; for (plugin_it = plugin_delegates_.begin(); plugin_it != plugin_delegates_.end(); ++plugin_it) { (*plugin_it)->SetContainerVisibility(true); } #endif // OS_MACOSX #endif // ENABLE_PLUGINS } GURL RenderViewImpl::GetURLForGraphicsContext3D() { DCHECK(webview()); if (webview()->mainFrame()) return GURL(webview()->mainFrame()->document().url()); else return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D"); } bool RenderViewImpl::ForceCompositingModeEnabled() { return webkit_preferences_.force_compositing_mode; } void RenderViewImpl::OnSetFocus(bool enable) { RenderWidget::OnSetFocus(enable); #if defined(ENABLE_PLUGINS) if (webview() && webview()->isActive()) { // Notify all NPAPI plugins. std::set::iterator plugin_it; for (plugin_it = plugin_delegates_.begin(); plugin_it != plugin_delegates_.end(); ++plugin_it) { #if defined(OS_MACOSX) // RenderWidget's call to setFocus can cause the underlying webview's // activation state to change just like a call to setIsActive. if (enable) (*plugin_it)->SetWindowFocus(true); #endif (*plugin_it)->SetContentAreaFocus(enable); } } main_render_frame_->OnSetFocus(enable); #endif // Notify all BrowserPlugins of the RenderView's focus state. if (browser_plugin_manager_.get()) browser_plugin_manager_->UpdateFocusState(); } void RenderViewImpl::OnImeSetComposition( const base::string16& text, const std::vector& underlines, int selection_start, int selection_end) { #if defined(ENABLE_PLUGINS) if (focused_pepper_plugin_) { focused_pepper_plugin_->render_frame()->OnImeSetComposition( text, underlines, selection_start, selection_end); return; } #if defined(OS_WIN) // When a plug-in has focus, we create platform-specific IME data used by // our IME emulator and send it directly to the focused plug-in, i.e. we // bypass WebKit. (WebPluginDelegate dispatches this IME data only when its // instance ID is the same one as the specified ID.) if (focused_plugin_id_ >= 0) { std::vector clauses; std::vector target; for (size_t i = 0; i < underlines.size(); ++i) { clauses.push_back(underlines[i].startOffset); clauses.push_back(underlines[i].endOffset); if (underlines[i].thick) { target.clear(); target.push_back(underlines[i].startOffset); target.push_back(underlines[i].endOffset); } } std::set::iterator it; for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) { (*it)->ImeCompositionUpdated(text, clauses, target, selection_end, focused_plugin_id_); } return; } #endif // OS_WIN #endif // ENABLE_PLUGINS RenderWidget::OnImeSetComposition(text, underlines, selection_start, selection_end); } void RenderViewImpl::OnImeConfirmComposition( const base::string16& text, const gfx::Range& replacement_range, bool keep_selection) { #if defined(ENABLE_PLUGINS) if (focused_pepper_plugin_) { focused_pepper_plugin_->render_frame()->OnImeConfirmComposition( text, replacement_range, keep_selection); return; } #if defined(OS_WIN) // Same as OnImeSetComposition(), we send the text from IMEs directly to // plug-ins. When we send IME text directly to plug-ins, we should not send // it to WebKit to prevent WebKit from controlling IMEs. // TODO(thakis): Honor |replacement_range| for plugins? if (focused_plugin_id_ >= 0) { std::set::iterator it; for (it = plugin_delegates_.begin(); it != plugin_delegates_.end(); ++it) { (*it)->ImeCompositionCompleted(text, focused_plugin_id_); } return; } #endif // OS_WIN #endif // ENABLE_PLUGINS if (replacement_range.IsValid() && webview()) { // Select the text in |replacement_range|, it will then be replaced by // text added by the call to RenderWidget::OnImeConfirmComposition(). if (WebFrame* frame = webview()->focusedFrame()) { WebRange webrange = WebRange::fromDocumentRange( frame, replacement_range.start(), replacement_range.length()); if (!webrange.isNull()) frame->selectRange(webrange); } } RenderWidget::OnImeConfirmComposition(text, replacement_range, keep_selection); } void RenderViewImpl::SetDeviceScaleFactor(float device_scale_factor) { RenderWidget::SetDeviceScaleFactor(device_scale_factor); if (webview()) { webview()->setDeviceScaleFactor(device_scale_factor); webview()->settings()->setAcceleratedCompositingForFixedPositionEnabled( ShouldUseFixedPositionCompositing(device_scale_factor_)); webview()->settings()->setAcceleratedCompositingForOverflowScrollEnabled( ShouldUseAcceleratedCompositingForOverflowScroll(device_scale_factor_)); webview()->settings()->setAcceleratedCompositingForTransitionEnabled( ShouldUseTransitionCompositing(device_scale_factor_)); webview()->settings()-> setAcceleratedCompositingForFixedRootBackgroundEnabled( ShouldUseAcceleratedFixedRootBackground(device_scale_factor_)); webview()->settings()->setAcceleratedCompositingForScrollableFramesEnabled( ShouldUseAcceleratedCompositingForScrollableFrames( device_scale_factor_)); webview()->settings()->setCompositedScrollingForFramesEnabled( ShouldUseCompositedScrollingForFrames(device_scale_factor_)); } if (auto_resize_mode_) AutoResizeCompositor(); if (browser_plugin_manager_.get()) browser_plugin_manager_->UpdateDeviceScaleFactor(device_scale_factor_); } ui::TextInputType RenderViewImpl::GetTextInputType() { #if defined(ENABLE_PLUGINS) if (focused_pepper_plugin_) return focused_pepper_plugin_->text_input_type(); #endif return RenderWidget::GetTextInputType(); } void RenderViewImpl::GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) { #if defined(ENABLE_PLUGINS) if (focused_pepper_plugin_) { // TODO(kinaba) http://crbug.com/101101 // Current Pepper IME API does not handle selection bounds. So we simply // use the caret position as an empty range for now. It will be updated // after Pepper API equips features related to surrounding text retrieval. gfx::Rect caret = focused_pepper_plugin_->GetCaretBounds(); *start = caret; *end = caret; return; } #endif RenderWidget::GetSelectionBounds(start, end); } #if defined(OS_MACOSX) || defined(OS_WIN) || defined(USE_AURA) void RenderViewImpl::GetCompositionCharacterBounds( std::vector* bounds) { DCHECK(bounds); bounds->clear(); #if defined(ENABLE_PLUGINS) if (focused_pepper_plugin_) { return; } #endif if (!webview()) return; size_t start_offset = 0; size_t character_count = 0; if (!webview()->compositionRange(&start_offset, &character_count)) return; if (character_count == 0) return; blink::WebFrame* frame = webview()->focusedFrame(); if (!frame) return; bounds->reserve(character_count); blink::WebRect webrect; for (size_t i = 0; i < character_count; ++i) { if (!frame->firstRectForCharacterRange(start_offset + i, 1, webrect)) { DLOG(ERROR) << "Could not retrieve character rectangle at " << i; bounds->clear(); return; } bounds->push_back(webrect); } } void RenderViewImpl::GetCompositionRange(gfx::Range* range) { #if defined(ENABLE_PLUGINS) if (focused_pepper_plugin_) { return; } #endif RenderWidget::GetCompositionRange(range); } #endif bool RenderViewImpl::CanComposeInline() { #if defined(ENABLE_PLUGINS) if (focused_pepper_plugin_) return focused_pepper_plugin_->IsPluginAcceptingCompositionEvents(); #endif return true; } void RenderViewImpl::InstrumentWillBeginFrame(int frame_id) { if (!webview()) return; if (!webview()->devToolsAgent()) return; webview()->devToolsAgent()->didBeginFrame(frame_id); } void RenderViewImpl::InstrumentDidBeginFrame() { if (!webview()) return; if (!webview()->devToolsAgent()) return; // TODO(jamesr/caseq): Decide if this needs to be renamed. webview()->devToolsAgent()->didComposite(); } void RenderViewImpl::InstrumentDidCancelFrame() { if (!webview()) return; if (!webview()->devToolsAgent()) return; webview()->devToolsAgent()->didCancelFrame(); } void RenderViewImpl::InstrumentWillComposite() { if (!webview()) return; if (!webview()->devToolsAgent()) return; webview()->devToolsAgent()->willComposite(); } bool RenderViewImpl::AllowPartialSwap() const { return allow_partial_swap_; } void RenderViewImpl::SetScreenMetricsEmulationParameters( float device_scale_factor, const gfx::Point& root_layer_offset, float root_layer_scale) { if (webview()) { webview()->setCompositorDeviceScaleFactorOverride(device_scale_factor); webview()->setRootLayerTransform( blink::WebSize(root_layer_offset.x(), root_layer_offset.y()), root_layer_scale); } } bool RenderViewImpl::ScheduleFileChooser( const FileChooserParams& params, WebFileChooserCompletion* completion) { static const size_t kMaximumPendingFileChooseRequests = 4; if (file_chooser_completions_.size() > kMaximumPendingFileChooseRequests) { // This sanity check prevents too many file choose requests from getting // queued which could DoS the user. Getting these is most likely a // programming error (there are many ways to DoS the user so it's not // considered a "real" security check), either in JS requesting many file // choosers to pop up, or in a plugin. // // TODO(brettw) we might possibly want to require a user gesture to open // a file picker, which will address this issue in a better way. return false; } file_chooser_completions_.push_back(linked_ptr( new PendingFileChooser(params, completion))); if (file_chooser_completions_.size() == 1) { // Actually show the browse dialog when this is the first request. Send(new ViewHostMsg_RunFileChooser(routing_id_, params)); } return true; } blink::WebGeolocationClient* RenderViewImpl::geolocationClient() { if (!geolocation_dispatcher_) geolocation_dispatcher_ = new GeolocationDispatcher(this); return geolocation_dispatcher_; } blink::WebSpeechInputController* RenderViewImpl::speechInputController( blink::WebSpeechInputListener* listener) { #if defined(ENABLE_INPUT_SPEECH) if (!input_tag_speech_dispatcher_) input_tag_speech_dispatcher_ = new InputTagSpeechDispatcher(this, listener); #endif return input_tag_speech_dispatcher_; } blink::WebSpeechRecognizer* RenderViewImpl::speechRecognizer() { if (!speech_recognition_dispatcher_) speech_recognition_dispatcher_ = new SpeechRecognitionDispatcher(this); return speech_recognition_dispatcher_; } void RenderViewImpl::zoomLimitsChanged(double minimum_level, double maximum_level) { // For now, don't remember plugin zoom values. We don't want to mix them with // normal web content (i.e. a fixed layout plugin would usually want them // different). bool remember = !webview()->mainFrame()->document().isPluginDocument(); int minimum_percent = static_cast( ZoomLevelToZoomFactor(minimum_level) * 100); int maximum_percent = static_cast( ZoomLevelToZoomFactor(maximum_level) * 100); Send(new ViewHostMsg_UpdateZoomLimits( routing_id_, minimum_percent, maximum_percent, remember)); } void RenderViewImpl::zoomLevelChanged() { bool remember = !webview()->mainFrame()->document().isPluginDocument(); float zoom_level = webview()->zoomLevel(); FOR_EACH_OBSERVER(RenderViewObserver, observers_, ZoomLevelChanged()); // Tell the browser which url got zoomed so it can update the menu and the // saved values if necessary Send(new ViewHostMsg_DidZoomURL( routing_id_, zoom_level, remember, GURL(webview()->mainFrame()->document().url()))); } double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const { return ZoomLevelToZoomFactor(zoom_level); } double RenderViewImpl::zoomFactorToZoomLevel(double factor) const { return ZoomFactorToZoomLevel(factor); } void RenderViewImpl::registerProtocolHandler(const WebString& scheme, const WebString& base_url, const WebString& url, const WebString& title) { bool user_gesture = WebUserGestureIndicator::isProcessingUserGesture(); GURL base(base_url); GURL absolute_url = base.Resolve(UTF16ToUTF8(url)); if (base.GetOrigin() != absolute_url.GetOrigin()) { return; } Send(new ViewHostMsg_RegisterProtocolHandler(routing_id_, UTF16ToUTF8(scheme), absolute_url, title, user_gesture)); } blink::WebPageVisibilityState RenderViewImpl::visibilityState() const { blink::WebPageVisibilityState current_state = is_hidden() ? blink::WebPageVisibilityStateHidden : blink::WebPageVisibilityStateVisible; blink::WebPageVisibilityState override_state = current_state; // TODO(jam): move this method to WebFrameClient. if (GetContentClient()->renderer()-> ShouldOverridePageVisibilityState(main_render_frame_.get(), &override_state)) return override_state; return current_state; } blink::WebUserMediaClient* RenderViewImpl::userMediaClient() { // This can happen in tests, in which case it's OK to return NULL. if (!InitializeMediaStreamClient()) return NULL; return web_user_media_client_; } blink::WebMIDIClient* RenderViewImpl::webMIDIClient() { if (!midi_dispatcher_) midi_dispatcher_ = new MIDIDispatcher(this); return midi_dispatcher_; } void RenderViewImpl::draggableRegionsChanged() { FOR_EACH_OBSERVER( RenderViewObserver, observers_, DraggableRegionsChanged(webview()->mainFrame())); } WebMediaPlayer* RenderViewImpl::CreateWebMediaPlayerForMediaStream( WebFrame* frame, const blink::WebURL& url, WebMediaPlayerClient* client) { #if defined(ENABLE_WEBRTC) if (!InitializeMediaStreamClient()) { LOG(ERROR) << "Failed to initialize MediaStreamClient"; return NULL; } #if !defined(GOOGLE_TV) if (media_stream_client_->IsMediaStream(url)) { #if defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL) bool found_neon = (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON) != 0; UMA_HISTOGRAM_BOOLEAN("Platform.WebRtcNEONFound", found_neon); #endif // defined(OS_ANDROID) && defined(ARCH_CPU_ARMEL) return new WebMediaPlayerMS(frame, client, AsWeakPtr(), media_stream_client_, new RenderMediaLog()); } #endif // !defined(GOOGLE_TV) #endif // defined(ENABLE_WEBRTC) return NULL; } #if defined(OS_ANDROID) WebContentDetectionResult RenderViewImpl::detectContentAround( const WebHitTestResult& touch_hit) { DCHECK(!touch_hit.isNull()); DCHECK(!touch_hit.node().isNull()); DCHECK(touch_hit.node().isTextNode()); // Process the position with all the registered content detectors until // a match is found. Priority is provided by their relative order. for (ContentDetectorList::const_iterator it = content_detectors_.begin(); it != content_detectors_.end(); ++it) { ContentDetector::Result content = (*it)->FindTappedContent(touch_hit); if (content.valid) { return WebContentDetectionResult(content.content_boundaries, UTF8ToUTF16(content.text), content.intent_url); } } return WebContentDetectionResult(); } void RenderViewImpl::scheduleContentIntent(const WebURL& intent) { // Introduce a short delay so that the user can notice the content. base::MessageLoop::current()->PostDelayedTask( FROM_HERE, base::Bind(&RenderViewImpl::LaunchAndroidContentIntent, AsWeakPtr(), intent, expected_content_intent_id_), base::TimeDelta::FromMilliseconds(kContentIntentDelayMilliseconds)); } void RenderViewImpl::cancelScheduledContentIntents() { ++expected_content_intent_id_; } void RenderViewImpl::LaunchAndroidContentIntent(const GURL& intent, size_t request_id) { if (request_id != expected_content_intent_id_) return; // Remove the content highlighting if any. scheduleComposite(); if (!intent.is_empty()) Send(new ViewHostMsg_StartContentIntent(routing_id_, intent)); } bool RenderViewImpl::openDateTimeChooser( const blink::WebDateTimeChooserParams& params, blink::WebDateTimeChooserCompletion* completion) { // JavaScript may try to open a date time chooser while one is already open. if (date_time_picker_client_) return false; date_time_picker_client_.reset( new RendererDateTimePicker(this, params, completion)); return date_time_picker_client_->Open(); } #if defined(OS_ANDROID) void RenderViewImpl::DismissDateTimeDialog() { DCHECK(date_time_picker_client_); date_time_picker_client_.reset(NULL); } #endif WebMediaPlayer* RenderViewImpl::CreateAndroidWebMediaPlayer( WebFrame* frame, const blink::WebURL& url, WebMediaPlayerClient* client) { GpuChannelHost* gpu_channel_host = RenderThreadImpl::current()->EstablishGpuChannelSync( CAUSE_FOR_GPU_LAUNCH_VIDEODECODEACCELERATOR_INITIALIZE); if (!gpu_channel_host) { LOG(ERROR) << "Failed to establish GPU channel for media player"; return NULL; } scoped_ptr stream_texture_factory; if (UsingSynchronousRendererCompositor()) { SynchronousCompositorFactory* factory = SynchronousCompositorFactory::GetInstance(); stream_texture_factory = factory->CreateStreamTextureFactory(routing_id_); } else { scoped_refptr context_provider = RenderThreadImpl::current()->SharedMainThreadContextProvider(); if (!context_provider.get()) { LOG(ERROR) << "Failed to get context3d for media player"; return NULL; } stream_texture_factory.reset(new StreamTextureFactoryImpl( context_provider->Context3d(), gpu_channel_host, routing_id_)); } scoped_ptr web_media_player_android( new WebMediaPlayerAndroid( frame, client, AsWeakPtr(), media_player_manager_, stream_texture_factory.release(), RenderThreadImpl::current()->GetMediaThreadMessageLoopProxy(), new RenderMediaLog())); #if defined(ENABLE_WEBRTC) && defined(GOOGLE_TV) if (media_stream_client_ && media_stream_client_->IsMediaStream(url)) { RTCVideoDecoderFactoryTv* factory = RenderThreadImpl::current() ->GetMediaStreamDependencyFactory()->decoder_factory_tv(); // |media_stream_client| and |factory| outlives |web_media_player_android|. if (!factory->AcquireDemuxer() || !web_media_player_android->InjectMediaStream( media_stream_client_, factory, base::Bind( base::IgnoreResult(&RTCVideoDecoderFactoryTv::ReleaseDemuxer), base::Unretained(factory)))) { LOG(ERROR) << "Failed to inject media stream."; return NULL; } } #endif // defined(ENABLE_WEBRTC) && defined(GOOGLE_TV) return web_media_player_android.release(); } #endif // defined(OS_ANDROID) #if defined(OS_MACOSX) void RenderViewImpl::OnSelectPopupMenuItem(int selected_index) { if (external_popup_menu_ == NULL) { // Crash reports from the field indicate that we can be notified with a // NULL external popup menu (we probably get notified twice). // If you hit this please file a bug against jcivelli and include the page // and steps to repro. NOTREACHED(); return; } external_popup_menu_->DidSelectItem(selected_index); external_popup_menu_.reset(); } #endif #if defined(OS_ANDROID) void RenderViewImpl::OnSelectPopupMenuItems( bool canceled, const std::vector& selected_indices) { // It is possible to receive more than one of these calls if the user presses // a select faster than it takes for the show-select-popup IPC message to make // it to the browser UI thread. Ignore the extra-messages. // TODO(jcivelli): http:/b/5793321 Implement a better fix, as detailed in bug. if (!external_popup_menu_) return; external_popup_menu_->DidSelectItems(canceled, selected_indices); external_popup_menu_.reset(); } #endif void RenderViewImpl::OnContextMenuClosed( const CustomContextMenuContext& custom_context) { if (custom_context.request_id) { // External request, should be in our map. ContextMenuClient* client = pending_context_menus_.Lookup(custom_context.request_id); if (client) { client->OnMenuClosed(custom_context.request_id); pending_context_menus_.Remove(custom_context.request_id); } } else { // Internal request, forward to WebKit. context_menu_node_.reset(); } } void RenderViewImpl::OnShowContextMenu(const gfx::Point& location) { context_menu_source_type_ = ui::MENU_SOURCE_TOUCH_EDIT_MENU; touch_editing_context_menu_location_ = location; if (webview()) webview()->showContextMenu(); } void RenderViewImpl::OnEnableViewSourceMode() { if (!webview()) return; WebFrame* main_frame = webview()->mainFrame(); if (!main_frame) return; main_frame->enableViewSourceMode(true); } void RenderViewImpl::OnDisownOpener() { if (!webview()) return; WebFrame* main_frame = webview()->mainFrame(); if (main_frame && main_frame->opener()) main_frame->setOpener(NULL); } #if defined(OS_ANDROID) bool RenderViewImpl::didTapMultipleTargets( const blink::WebGestureEvent& event, const WebVector& target_rects) { // Never show a disambiguation popup when accessibility is enabled, // as this interferes with "touch exploration". if (accessibility_mode_ == AccessibilityModeComplete) return false; gfx::Rect finger_rect( event.x - event.data.tap.width / 2, event.y - event.data.tap.height / 2, event.data.tap.width, event.data.tap.height); gfx::Rect zoom_rect; float new_total_scale = DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor( finger_rect, target_rects, GetSize(), gfx::Rect(webview()->mainFrame()->visibleContentRect()).size(), device_scale_factor_ * webview()->pageScaleFactor(), &zoom_rect); if (!new_total_scale) return false; bool handled = false; switch (renderer_preferences_.tap_multiple_targets_strategy) { case TAP_MULTIPLE_TARGETS_STRATEGY_ZOOM: handled = webview()->zoomToMultipleTargetsRect(zoom_rect); break; case TAP_MULTIPLE_TARGETS_STRATEGY_POPUP: { gfx::Size canvas_size = gfx::ToCeiledSize(gfx::ScaleSize(zoom_rect.size(), new_total_scale)); TransportDIB* transport_dib = NULL; { scoped_ptr canvas( RenderProcess::current()->GetDrawingCanvas(&transport_dib, gfx::Rect(canvas_size))); if (!canvas) { handled = false; break; } // TODO(trchen): Cleanup the device scale factor mess. // device scale will be applied in WebKit // --> zoom_rect doesn't include device scale, // but WebKit will still draw on zoom_rect * device_scale_factor_ canvas->scale(new_total_scale / device_scale_factor_, new_total_scale / device_scale_factor_); canvas->translate(-zoom_rect.x() * device_scale_factor_, -zoom_rect.y() * device_scale_factor_); webwidget_->paint( canvas.get(), zoom_rect, WebWidget::ForceSoftwareRenderingAndIgnoreGPUResidentContent); } gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect( ClientRectToPhysicalWindowRect(gfx::RectF(zoom_rect))); Send(new ViewHostMsg_ShowDisambiguationPopup(routing_id_, physical_window_zoom_rect, canvas_size, transport_dib->id())); handled = true; break; } case TAP_MULTIPLE_TARGETS_STRATEGY_NONE: // No-op. break; } return handled; } #endif unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const { return history_list_length_; } void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) { if (enable) { if (has_focus()) return; OnSetActive(true); OnSetFocus(true); } else { if (!has_focus()) return; OnSetFocus(false); OnSetActive(false); } } void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) { ViewMsg_Resize_Params params; params.screen_info = screen_info_; params.screen_info.deviceScaleFactor = factor; params.new_size = size(); params.physical_backing_size = gfx::ToCeiledSize(gfx::ScaleSize(size(), factor)); params.overdraw_bottom_height = 0.f; params.resizer_rect = WebRect(); params.is_fullscreen = is_fullscreen(); OnResize(params); } void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) { gfx::Rect new_position(rootWindowRect().x, rootWindowRect().y, new_size.width(), new_size.height()); ResizeSynchronously(new_position); } void RenderViewImpl::UseSynchronousResizeModeForTesting(bool enable) { resizing_mode_selector_->set_is_synchronous_mode(enable); } void RenderViewImpl::EnableAutoResizeForTesting(const gfx::Size& min_size, const gfx::Size& max_size) { OnEnableAutoResize(min_size, max_size); } void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) { OnDisableAutoResize(new_size); } void RenderViewImpl::SetMediaStreamClientForTesting( MediaStreamClient* media_stream_client) { DCHECK(!media_stream_client_); DCHECK(!web_user_media_client_); media_stream_client_ = media_stream_client; } void RenderViewImpl::OnReleaseDisambiguationPopupDIB( TransportDIB::Handle dib_handle) { TransportDIB* dib = TransportDIB::CreateWithHandle(dib_handle); RenderProcess::current()->ReleaseTransportDIB(dib); } void RenderViewImpl::DidCommitCompositorFrame() { RenderWidget::DidCommitCompositorFrame(); FOR_EACH_OBSERVER(RenderViewObserver, observers_, DidCommitCompositorFrame()); } void RenderViewImpl::SendUpdateFaviconURL(const std::vector& urls) { if (!urls.empty()) Send(new ViewHostMsg_UpdateFaviconURL(routing_id_, page_id_, urls)); } void RenderViewImpl::DidStopLoadingIcons() { int icon_types = WebIconURL::TypeFavicon; if (TouchEnabled()) icon_types |= WebIconURL::TypeTouchPrecomposed | WebIconURL::TypeTouch; WebVector icon_urls = webview()->mainFrame()->iconURLs(icon_types); std::vector urls; for (size_t i = 0; i < icon_urls.size(); i++) { WebURL url = icon_urls[i].iconURL(); if (!url.isEmpty()) urls.push_back(FaviconURL(url, ToFaviconType(icon_urls[i].iconType()))); } SendUpdateFaviconURL(urls); } } // namespace content