// 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 #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/feature_list.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/location.h" #include "base/metrics/field_trial.h" #include "base/metrics/histogram_macros.h" #include "base/process/kill.h" #include "base/process/process.h" #include "base/single_thread_task_runner.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/sys_info.h" #include "base/threading/thread_task_runner_handle.h" #include "base/time/time.h" #include "base/trace_event/trace_event.h" #include "build/build_config.h" #include "cc/base/switches.h" #include "cc/paint/skia_paint_canvas.h" #include "cc/trees/layer_tree_host.h" #include "content/common/content_constants_internal.h" #include "content/common/dom_storage/dom_storage_types.h" #include "content/common/drag_messages.h" #include "content/common/frame_messages.h" #include "content/common/frame_replication_state.h" #include "content/common/input_messages.h" #include "content/common/page_messages.h" #include "content/common/render_message_filter.mojom.h" #include "content/common/view_messages.h" #include "content/public/common/browser_side_navigation_policy.h" #include "content/public/common/content_client.h" #include "content/public/common/content_constants.h" #include "content/public/common/content_features.h" #include "content/public/common/content_switches.h" #include "content/public/common/page_importance_signals.h" #include "content/public/common/page_state.h" #include "content/public/common/page_zoom.h" #include "content/public/common/three_d_api_types.h" #include "content/public/common/url_constants.h" #include "content/public/common/use_zoom_for_dsf_policy.h" #include "content/public/common/web_preferences.h" #include "content/public/renderer/content_renderer_client.h" #include "content/public/renderer/document_state.h" #include "content/public/renderer/render_view_observer.h" #include "content/public/renderer/render_view_visitor.h" #include "content/public/renderer/window_features_converter.h" #include "content/renderer/appcache/appcache_dispatcher.h" #include "content/renderer/appcache/web_application_cache_host_impl.h" #include "content/renderer/browser_plugin/browser_plugin.h" #include "content/renderer/browser_plugin/browser_plugin_manager.h" #include "content/renderer/drop_data_builder.h" #include "content/renderer/gpu/layer_tree_view.h" #include "content/renderer/history_serialization.h" #include "content/renderer/ime_event_guard.h" #include "content/renderer/internal_document_state_data.h" #include "content/renderer/loader/request_extra_data.h" #include "content/renderer/media/audio/audio_device_factory.h" #include "content/renderer/media/stream/media_stream_device_observer.h" #include "content/renderer/media/video_capture_impl_manager.h" #include "content/renderer/render_frame_impl.h" #include "content/renderer/render_frame_proxy.h" #include "content/renderer/render_process.h" #include "content/renderer/render_thread_impl.h" #include "content/renderer/render_widget_fullscreen_pepper.h" #include "content/renderer/renderer_blink_platform_impl.h" #include "content/renderer/renderer_webapplicationcachehost_impl.h" #include "content/renderer/resizing_mode_selector.h" #include "content/renderer/savable_resources.h" #include "content/renderer/v8_value_converter_impl.h" #include "content/renderer/web_ui_extension_data.h" #include "media/audio/audio_output_device.h" #include "media/base/media_switches.h" #include "media/media_buildflags.h" #include "media/renderers/audio_renderer_impl.h" #include "media/video/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 "net/nqe/effective_connection_type.h" #include "ppapi/buildflags/buildflags.h" #include "skia/ext/platform_canvas.h" #include "third_party/blink/public/common/associated_interfaces/associated_interface_provider.h" #include "third_party/blink/public/common/dom_storage/session_storage_namespace_id.h" #include "third_party/blink/public/common/frame/user_activation_update_source.h" #include "third_party/blink/public/mojom/page/page_visibility_state.mojom.h" #include "third_party/blink/public/platform/file_path_conversion.h" #include "third_party/blink/public/platform/url_conversion.h" #include "third_party/blink/public/platform/web_connection_type.h" #include "third_party/blink/public/platform/web_effective_connection_type.h" #include "third_party/blink/public/platform/web_http_body.h" #include "third_party/blink/public/platform/web_image.h" #include "third_party/blink/public/platform/web_input_event.h" #include "third_party/blink/public/platform/web_input_event_result.h" #include "third_party/blink/public/platform/web_network_state_notifier.h" #include "third_party/blink/public/platform/web_point.h" #include "third_party/blink/public/platform/web_rect.h" #include "third_party/blink/public/platform/web_runtime_features.h" #include "third_party/blink/public/platform/web_size.h" #include "third_party/blink/public/platform/web_string.h" #include "third_party/blink/public/platform/web_url.h" #include "third_party/blink/public/platform/web_url_error.h" #include "third_party/blink/public/platform/web_url_request.h" #include "third_party/blink/public/platform/web_url_response.h" #include "third_party/blink/public/platform/web_vector.h" #include "third_party/blink/public/public_buildflags.h" #include "third_party/blink/public/web/web_autofill_client.h" #include "third_party/blink/public/web/web_ax_object.h" #include "third_party/blink/public/web/web_date_time_chooser_completion.h" #include "third_party/blink/public/web/web_date_time_chooser_params.h" #include "third_party/blink/public/web/web_document.h" #include "third_party/blink/public/web/web_dom_event.h" #include "third_party/blink/public/web/web_dom_message_event.h" #include "third_party/blink/public/web/web_element.h" #include "third_party/blink/public/web/web_file_chooser_completion.h" #include "third_party/blink/public/web/web_file_chooser_params.h" #include "third_party/blink/public/web/web_form_control_element.h" #include "third_party/blink/public/web/web_form_element.h" #include "third_party/blink/public/web/web_frame.h" #include "third_party/blink/public/web/web_frame_content_dumper.h" #include "third_party/blink/public/web/web_frame_widget.h" #include "third_party/blink/public/web/web_history_item.h" #include "third_party/blink/public/web/web_hit_test_result.h" #include "third_party/blink/public/web/web_input_element.h" #include "third_party/blink/public/web/web_local_frame.h" #include "third_party/blink/public/web/web_navigation_policy.h" #include "third_party/blink/public/web/web_page_importance_signals.h" #include "third_party/blink/public/web/web_page_popup.h" #include "third_party/blink/public/web/web_plugin.h" #include "third_party/blink/public/web/web_plugin_action.h" #include "third_party/blink/public/web/web_range.h" #include "third_party/blink/public/web/web_render_theme.h" #include "third_party/blink/public/web/web_script_source.h" #include "third_party/blink/public/web/web_searchable_form_data.h" #include "third_party/blink/public/web/web_security_policy.h" #include "third_party/blink/public/web/web_settings.h" #include "third_party/blink/public/web/web_user_gesture_indicator.h" #include "third_party/blink/public/web/web_view.h" #include "third_party/blink/public/web/web_window_features.h" #include "third_party/icu/source/common/unicode/uchar.h" #include "third_party/icu/source/common/unicode/uscript.h" #include "third_party/skia/include/core/SkColor.h" #include "ui/base/ui_base_switches_util.h" #include "ui/gfx/geometry/point.h" #include "ui/gfx/geometry/rect.h" #include "ui/gfx/geometry/rect_conversions.h" #include "ui/gfx/geometry/size_conversions.h" #include "ui/gfx/native_widget_types.h" #include "ui/gfx/switches.h" #include "ui/latency/latency_info.h" #include "url/origin.h" #include "url/url_constants.h" #include "v8/include/v8.h" #if defined(OS_ANDROID) #include #include "base/android/build_info.h" #include "base/memory/shared_memory.h" #include "content/child/child_thread_impl.h" #include "ui/gfx/geometry/rect_f.h" #elif defined(OS_MACOSX) #include "skia/ext/skia_utils_mac.h" #endif #if BUILDFLAG(ENABLE_PLUGINS) #include "content/renderer/pepper/pepper_plugin_instance_impl.h" #include "content/renderer/pepper/pepper_plugin_registry.h" #endif #if BUILDFLAG(ENABLE_WEBRTC) #include "content/renderer/media/webrtc/peer_connection_dependency_factory.h" #include "content/renderer/media/webrtc/rtc_peer_connection_handler.h" #endif using blink::WebAXObject; using blink::WebApplicationCacheHost; using blink::WebApplicationCacheHostClient; using blink::WebConsoleMessage; using blink::WebData; using blink::WebDocument; using blink::WebDragOperation; using blink::WebElement; using blink::WebFileChooserCompletion; using blink::WebFormControlElement; using blink::WebFormElement; using blink::WebFrame; using blink::WebFrameContentDumper; using blink::WebGestureEvent; using blink::WebHistoryItem; using blink::WebHTTPBody; using blink::WebHitTestResult; using blink::WebImage; using blink::WebInputElement; using blink::WebInputEvent; using blink::WebLocalFrame; using blink::WebMouseEvent; using blink::WebNavigationPolicy; using blink::WebNavigationType; using blink::WebNode; using blink::WebPluginAction; using blink::WebPoint; using blink::WebRect; using blink::WebReferrerPolicy; using blink::WebSandboxFlags; using blink::WebScriptSource; using blink::WebSearchableFormData; using blink::WebSecurityOrigin; using blink::WebSecurityPolicy; using blink::WebSettings; using blink::WebSize; using blink::WebString; 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 blink::WebRuntimeFeatures; using base::TimeDelta; namespace content { //----------------------------------------------------------------------------- typedef std::map ViewMap; static base::LazyInstance::Leaky g_view_map = LAZY_INSTANCE_INITIALIZER; typedef std::map RoutingIDViewMap; static base::LazyInstance::Leaky 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; static RenderViewImpl* (*g_create_render_view_impl)( CompositorDependencies* compositor_deps, const mojom::CreateViewParams&) = nullptr; // static Referrer RenderViewImpl::GetReferrerFromRequest( WebFrame* frame, const WebURLRequest& request) { return Referrer(blink::WebStringToGURL( request.HttpHeaderField(WebString::FromUTF8("Referer"))), request.GetReferrerPolicy()); } // static WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition( WebNavigationPolicy policy) { switch (policy) { case blink::kWebNavigationPolicyIgnore: return WindowOpenDisposition::IGNORE_ACTION; case blink::kWebNavigationPolicyDownload: return WindowOpenDisposition::SAVE_TO_DISK; case blink::kWebNavigationPolicyCurrentTab: return WindowOpenDisposition::CURRENT_TAB; case blink::kWebNavigationPolicyNewBackgroundTab: return WindowOpenDisposition::NEW_BACKGROUND_TAB; case blink::kWebNavigationPolicyNewForegroundTab: return WindowOpenDisposition::NEW_FOREGROUND_TAB; case blink::kWebNavigationPolicyNewWindow: return WindowOpenDisposition::NEW_WINDOW; case blink::kWebNavigationPolicyNewPopup: return WindowOpenDisposition::NEW_POPUP; default: NOTREACHED() << "Unexpected WebNavigationPolicy"; return WindowOpenDisposition::IGNORE_ACTION; } } /////////////////////////////////////////////////////////////////////////////// namespace { typedef void (*SetFontFamilyWrapper)(blink::WebSettings*, const base::string16&, UScriptCode); void SetStandardFontFamilyWrapper(WebSettings* settings, const base::string16& font, UScriptCode script) { settings->SetStandardFontFamily(WebString::FromUTF16(font), script); } void SetFixedFontFamilyWrapper(WebSettings* settings, const base::string16& font, UScriptCode script) { settings->SetFixedFontFamily(WebString::FromUTF16(font), script); } void SetSerifFontFamilyWrapper(WebSettings* settings, const base::string16& font, UScriptCode script) { settings->SetSerifFontFamily(WebString::FromUTF16(font), script); } void SetSansSerifFontFamilyWrapper(WebSettings* settings, const base::string16& font, UScriptCode script) { settings->SetSansSerifFontFamily(WebString::FromUTF16(font), script); } void SetCursiveFontFamilyWrapper(WebSettings* settings, const base::string16& font, UScriptCode script) { settings->SetCursiveFontFamily(WebString::FromUTF16(font), script); } void SetFantasyFontFamilyWrapper(WebSettings* settings, const base::string16& font, UScriptCode script) { settings->SetFantasyFontFamily(WebString::FromUTF16(font), script); } void SetPictographFontFamilyWrapper(WebSettings* settings, const base::string16& font, UScriptCode script) { settings->SetPictographFontFamily(WebString::FromUTF16(font), script); } // If |scriptCode| is a member of a family of "similar" script codes, returns // the script code in that family that is used by WebKit for font selection // purposes. For example, USCRIPT_KATAKANA_OR_HIRAGANA and USCRIPT_JAPANESE are // considered equivalent for the purposes of font selection. WebKit uses the // script code USCRIPT_KATAKANA_OR_HIRAGANA. So, if |scriptCode| is // USCRIPT_JAPANESE, the function returns USCRIPT_KATAKANA_OR_HIRAGANA. WebKit // uses different scripts than the ones in Chrome pref names because the version // of ICU included on certain ports does not have some of the newer scripts. If // |scriptCode| is not a member of such a family, returns |scriptCode|. UScriptCode GetScriptForWebSettings(UScriptCode scriptCode) { switch (scriptCode) { case USCRIPT_HIRAGANA: case USCRIPT_KATAKANA: case USCRIPT_JAPANESE: return USCRIPT_KATAKANA_OR_HIRAGANA; case USCRIPT_KOREAN: return USCRIPT_HANGUL; default: return scriptCode; } } void ApplyFontsFromMap(const ScriptFontFamilyMap& map, SetFontFamilyWrapper setter, WebSettings* settings) { for (auto it = map.begin(); it != map.end(); ++it) { int32_t script = u_getPropertyValueEnum(UCHAR_SCRIPT, (it->first).c_str()); if (script >= 0 && script < USCRIPT_CODE_LIMIT) { UScriptCode code = static_cast(script); (*setter)(settings, it->second, GetScriptForWebSettings(code)); } } } void ApplyBlinkSettings(const base::CommandLine& command_line, WebSettings* settings) { if (!command_line.HasSwitch(switches::kBlinkSettings)) return; std::vector blink_settings = base::SplitString( command_line.GetSwitchValueASCII(switches::kBlinkSettings), ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL); for (const std::string& setting : blink_settings) { size_t pos = setting.find('='); settings->SetFromStrings( blink::WebString::FromLatin1(setting.substr(0, pos)), blink::WebString::FromLatin1( pos == std::string::npos ? "" : setting.substr(pos + 1))); } } content::mojom::WindowContainerType WindowFeaturesToContainerType( const blink::WebWindowFeatures& window_features) { if (window_features.background) { if (window_features.persistent) return content::mojom::WindowContainerType::PERSISTENT; else return content::mojom::WindowContainerType::BACKGROUND; } else { return content::mojom::WindowContainerType::NORMAL; } } #if defined(OS_ANDROID) || defined(OS_CHROMEOS) // Check content::BrowserControlsState, and cc::BrowserControlsState // are kept in sync. static_assert(int(BROWSER_CONTROLS_STATE_SHOWN) == int(cc::BrowserControlsState::kShown), "mismatching enums: SHOWN"); static_assert(int(BROWSER_CONTROLS_STATE_HIDDEN) == int(cc::BrowserControlsState::kHidden), "mismatching enums: HIDDEN"); static_assert(int(BROWSER_CONTROLS_STATE_BOTH) == int(cc::BrowserControlsState::kBoth), "mismatching enums: BOTH"); cc::BrowserControlsState ContentToCc(BrowserControlsState state) { return static_cast(state); } #endif } // namespace RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps, const mojom::CreateViewParams& params) : RenderWidget(params.main_frame_widget_routing_id, compositor_deps, WidgetType::kFrame, params.visual_properties.screen_info, params.visual_properties.display_mode, params.swapped_out, params.hidden, params.never_visible), routing_id_(params.view_id), renderer_wide_named_frame_lookup_( params.renderer_wide_named_frame_lookup), webkit_preferences_(params.web_preferences), session_storage_namespace_id_(params.session_storage_namespace_id), weak_ptr_factory_(this) { DCHECK(!session_storage_namespace_id_.empty()) << "Session storage namespace must be populated."; GetWidget()->set_owner_delegate(this); RenderThread::Get()->AddRoute(routing_id_, this); } void RenderViewImpl::Initialize( mojom::CreateViewParamsPtr params, RenderWidget::ShowCallback show_callback, scoped_refptr task_runner) { #if defined(OS_ANDROID) bool has_show_callback = !!show_callback; #endif WebFrame* opener_frame = RenderFrameImpl::ResolveOpener(params->opener_frame_route_id); // Pass WidgetClient(), not |this|, as the WebWidgetClient. The method may // be overridden in layout tests to inject a test-only WebWidgetClient. webview_ = WebView::Create(this, WidgetClient(), is_hidden() ? blink::mojom::PageVisibilityState::kHidden : blink::mojom::PageVisibilityState::kVisible, opener_frame ? opener_frame->View() : nullptr); RenderWidget::Init(std::move(show_callback), webview_->GetWidget()); g_view_map.Get().insert(std::make_pair(webview(), this)); g_routing_id_view_map.Get().insert(std::make_pair(GetRoutingID(), this)); const base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess(); webview()->SetDisplayMode(GetWidget()->display_mode()); webview()->GetSettings()->SetThreadedScrollingEnabled( !command_line.HasSwitch(switches::kDisableThreadedScrolling)); webview()->SetShowFPSCounter( command_line.HasSwitch(cc::switches::kShowFPSCounter)); ApplyWebPreferencesInternal(webkit_preferences_, webview()); if (switches::IsTouchDragDropEnabled()) webview()->GetSettings()->SetTouchDragDropEnabled(true); WebSettings::SelectionStrategyType selection_strategy = WebSettings::SelectionStrategyType::kCharacter; const std::string selection_strategy_str = command_line.GetSwitchValueASCII(switches::kTouchTextSelectionStrategy); if (selection_strategy_str == "direction") selection_strategy = WebSettings::SelectionStrategyType::kDirection; webview()->GetSettings()->SetSelectionStrategy(selection_strategy); std::string passive_listeners_default = command_line.GetSwitchValueASCII(switches::kPassiveListenersDefault); if (!passive_listeners_default.empty()) { WebSettings::PassiveEventListenerDefault passiveDefault = WebSettings::PassiveEventListenerDefault::kFalse; if (passive_listeners_default == "true") passiveDefault = WebSettings::PassiveEventListenerDefault::kTrue; else if (passive_listeners_default == "forcealltrue") passiveDefault = WebSettings::PassiveEventListenerDefault::kForceAllTrue; webview()->GetSettings()->SetPassiveEventListenerDefault(passiveDefault); } std::string network_quiet_timeout = command_line.GetSwitchValueASCII(switches::kNetworkQuietTimeout); if (!network_quiet_timeout.empty()) { double network_quiet_timeout_seconds = 0.0; if (base::StringToDouble(network_quiet_timeout, &network_quiet_timeout_seconds)) { webview()->GetSettings()->SetNetworkQuietTimeout( network_quiet_timeout_seconds); } } ApplyBlinkSettings(command_line, webview()->GetSettings()); // We have either a main frame or a proxy routing id. DCHECK_NE(params->main_frame_routing_id != MSG_ROUTING_NONE, params->proxy_routing_id != MSG_ROUTING_NONE); if (params->main_frame_routing_id != MSG_ROUTING_NONE) { CHECK(params->main_frame_interface_provider.is_valid()); service_manager::mojom::InterfaceProviderPtr main_frame_interface_provider( std::move(params->main_frame_interface_provider)); main_render_frame_ = RenderFrameImpl::CreateMainFrame( this, params->main_frame_routing_id, std::move(main_frame_interface_provider), params->main_frame_widget_routing_id, params->hidden, GetWidget()->GetWebScreenInfo(), GetWidget()->compositor_deps(), opener_frame, params->devtools_main_frame_token, params->replicated_frame_state, params->has_committed_real_load); main_render_frame_->Initialize(); } else { CHECK(params->swapped_out); RenderFrameProxy::CreateFrameProxy(params->proxy_routing_id, GetRoutingID(), opener_frame, MSG_ROUTING_NONE, params->replicated_frame_state, params->devtools_main_frame_token); } // TODO(davidben): Move this state from Blink into content. if (params->window_was_created_with_opener) webview()->SetOpenedByDOM(); UpdateWebViewWithDeviceScaleFactor(); OnSetRendererPrefs(params->renderer_preferences); OnSynchronizeVisualProperties(params->visual_properties); GetContentClient()->renderer()->RenderViewCreated(this); page_zoom_level_ = 0; nav_state_sync_timer_.SetTaskRunner(task_runner); #if defined(OS_ANDROID) // TODO(sgurun): crbug.com/325351 Needed only for android webview's deprecated // HandleNavigation codepath. // Renderer-created RenderViews have a ShowCallback because they send a Show // request (ViewHostMsg_ShowWidget, ViewHostMsg_ShowFullscreenWidget, or // FrameHostMsg_ShowCreatedWindow) to the browser to attach them to the UI // there. Browser-created RenderViews do not send a Show request to the // browser, so have no such callback. was_created_by_renderer_ = has_show_callback; #endif } RenderViewImpl::~RenderViewImpl() { DCHECK(!frame_widget_); RenderThread::Get()->RemoveRoute(routing_id_); #if defined(OS_ANDROID) // The date/time picker client is both a std::unique_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 (auto& observer : observers_) observer.RenderViewGone(); for (auto& observer : observers_) observer.OnDestruct(); } /*static*/ RenderViewImpl* RenderViewImpl::FromWebView(WebView* webview) { ViewMap* views = g_view_map.Pointer(); auto 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_t routing_id) { RoutingIDViewMap* views = g_routing_id_view_map.Pointer(); auto 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 */ size_t RenderView::GetRenderViewCount() { return g_view_map.Get().size(); } /*static*/ void RenderView::ForEach(RenderViewVisitor* visitor) { ViewMap* views = g_view_map.Pointer(); for (auto it = views->begin(); it != views->end(); ++it) { if (!visitor->Visit(it->second)) return; } } /*static*/ void RenderView::ApplyWebPreferences(const WebPreferences& prefs, WebView* web_view) { WebSettings* settings = web_view->GetSettings(); ApplyFontsFromMap(prefs.standard_font_family_map, SetStandardFontFamilyWrapper, settings); ApplyFontsFromMap(prefs.fixed_font_family_map, SetFixedFontFamilyWrapper, settings); ApplyFontsFromMap(prefs.serif_font_family_map, SetSerifFontFamilyWrapper, settings); ApplyFontsFromMap(prefs.sans_serif_font_family_map, SetSansSerifFontFamilyWrapper, settings); ApplyFontsFromMap(prefs.cursive_font_family_map, SetCursiveFontFamilyWrapper, settings); ApplyFontsFromMap(prefs.fantasy_font_family_map, SetFantasyFontFamilyWrapper, settings); ApplyFontsFromMap(prefs.pictograph_font_family_map, SetPictographFontFamilyWrapper, settings); settings->SetDefaultFontSize(prefs.default_font_size); settings->SetDefaultFixedFontSize(prefs.default_fixed_font_size); settings->SetMinimumFontSize(prefs.minimum_font_size); settings->SetMinimumLogicalFontSize(prefs.minimum_logical_font_size); settings->SetDefaultTextEncodingName( WebString::FromASCII(prefs.default_encoding)); settings->SetJavaScriptEnabled(prefs.javascript_enabled); settings->SetWebSecurityEnabled(prefs.web_security_enabled); settings->SetLoadsImagesAutomatically(prefs.loads_images_automatically); settings->SetImagesEnabled(prefs.images_enabled); settings->SetPluginsEnabled(prefs.plugins_enabled); settings->SetDOMPasteAllowed(prefs.dom_paste_enabled); settings->SetTextAreasAreResizable(prefs.text_areas_are_resizable); settings->SetAllowScriptsToCloseWindows(prefs.allow_scripts_to_close_windows); settings->SetDownloadableBinaryFontsEnabled(prefs.remote_fonts_enabled); settings->SetJavaScriptCanAccessClipboard( prefs.javascript_can_access_clipboard); WebRuntimeFeatures::EnableXSLT(prefs.xslt_enabled); settings->SetXSSAuditorEnabled(prefs.xss_auditor_enabled); settings->SetDNSPrefetchingEnabled(prefs.dns_prefetching_enabled); blink::WebNetworkStateNotifier::SetSaveDataEnabled(prefs.data_saver_enabled); settings->SetLocalStorageEnabled(prefs.local_storage_enabled); settings->SetSyncXHRInDocumentsEnabled(prefs.sync_xhr_in_documents_enabled); WebRuntimeFeatures::EnableDatabase(prefs.databases_enabled); settings->SetOfflineWebApplicationCacheEnabled( prefs.application_cache_enabled); settings->SetHistoryEntryRequiresUserGesture( prefs.history_entry_requires_user_gesture); settings->SetShouldThrottlePushState(!prefs.disable_pushstate_throttle); settings->SetHyperlinkAuditingEnabled(prefs.hyperlink_auditing_enabled); settings->SetCookieEnabled(prefs.cookie_enabled); settings->SetNavigateOnDragDrop(prefs.navigate_on_drag_drop); // By default, allow_universal_access_from_file_urls is set to false and thus // we mitigate attacks from local HTML files by not granting file:// URLs // universal access. Only test shell will enable this. settings->SetAllowUniversalAccessFromFileURLs( prefs.allow_universal_access_from_file_urls); settings->SetAllowFileAccessFromFileURLs( prefs.allow_file_access_from_file_urls); settings->SetWebGL1Enabled(prefs.webgl1_enabled); settings->SetWebGL2Enabled(prefs.webgl2_enabled); // Enable WebGL errors to the JS console if requested. settings->SetWebGLErrorsToConsoleEnabled( prefs.webgl_errors_to_console_enabled); // Uses the mock theme engine for scrollbars. settings->SetMockScrollbarsEnabled(prefs.mock_scrollbars_enabled); settings->SetHideScrollbars(prefs.hide_scrollbars); // Enable gpu-accelerated 2d canvas if requested on the command line. WebRuntimeFeatures::EnableAccelerated2dCanvas( prefs.accelerated_2d_canvas_enabled); settings->SetMinimumAccelerated2dCanvasSize( prefs.minimum_accelerated_2d_canvas_size); // Disable antialiasing for 2d canvas if requested on the command line. settings->SetAntialiased2dCanvasEnabled( !prefs.antialiased_2d_canvas_disabled); // Disable antialiasing of clips for 2d canvas if requested on the command // line. settings->SetAntialiasedClips2dCanvasEnabled( prefs.antialiased_clips_2d_canvas_enabled); // Set MSAA sample count for 2d canvas if requested on the command line (or // default value if not). settings->SetAccelerated2dCanvasMSAASampleCount( prefs.accelerated_2d_canvas_msaa_sample_count); // Tabs to link is not part of the settings. WebCore calls // ChromeClient::tabsToLinks which is part of the glue code. web_view->SetTabsToLinks(prefs.tabs_to_links); settings->SetAllowRunningOfInsecureContent( prefs.allow_running_insecure_content); settings->SetDisableReadingFromCanvas(prefs.disable_reading_from_canvas); settings->SetStrictMixedContentChecking(prefs.strict_mixed_content_checking); settings->SetStrictlyBlockBlockableMixedContent( prefs.strictly_block_blockable_mixed_content); settings->SetStrictMixedContentCheckingForPlugin( prefs.block_mixed_plugin_content); settings->SetStrictPowerfulFeatureRestrictions( prefs.strict_powerful_feature_restrictions); settings->SetAllowGeolocationOnInsecureOrigins( prefs.allow_geolocation_on_insecure_origins); settings->SetPasswordEchoEnabled(prefs.password_echo_enabled); settings->SetShouldPrintBackgrounds(prefs.should_print_backgrounds); settings->SetShouldClearDocumentBackground( prefs.should_clear_document_background); settings->SetEnableScrollAnimator(prefs.enable_scroll_animator); WebRuntimeFeatures::EnableTouchEventFeatureDetection( prefs.touch_event_feature_detection_enabled); settings->SetMaxTouchPoints(prefs.pointer_events_max_touch_points); settings->SetAvailablePointerTypes(prefs.available_pointer_types); settings->SetPrimaryPointerType( static_cast(prefs.primary_pointer_type)); settings->SetAvailableHoverTypes(prefs.available_hover_types); settings->SetPrimaryHoverType( static_cast(prefs.primary_hover_type)); settings->SetEnableTouchAdjustment(prefs.touch_adjustment_enabled); settings->SetBarrelButtonForDragEnabled(prefs.barrel_button_for_drag_enabled); settings->SetShouldRespectImageOrientation( prefs.should_respect_image_orientation); settings->SetEditingBehavior( static_cast(prefs.editing_behavior)); settings->SetSupportsMultipleWindows(prefs.supports_multiple_windows); settings->SetMainFrameClipsContent(!prefs.record_whole_document); settings->SetSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled); settings->SetSpatialNavigationEnabled(prefs.spatial_navigation_enabled); settings->SetSelectionIncludesAltImageText(true); settings->SetV8CacheOptions( static_cast(prefs.v8_cache_options)); settings->SetImageAnimationPolicy( static_cast(prefs.animation_policy)); settings->SetPresentationRequiresUserGesture( prefs.user_gesture_required_for_presentation); settings->SetTextTrackMarginPercentage(prefs.text_track_margin_percentage); // Needs to happen before SetDefaultPageScaleLimits below since that'll // recalculate the final page scale limits and that depends on this setting. settings->SetShrinksViewportContentToFit( prefs.shrinks_viewport_contents_to_fit); // Needs to happen before SetIgnoreViewportTagScaleLimits below. web_view->SetDefaultPageScaleLimits(prefs.default_minimum_page_scale_factor, prefs.default_maximum_page_scale_factor); settings->SetSavePreviousDocumentResources( static_cast( prefs.save_previous_document_resources)); settings->SetTextAutosizingEnabled(prefs.text_autosizing_enabled); settings->SetDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled); blink::WebNetworkStateNotifier::SetNetworkQualityWebHoldback( static_cast( prefs.network_quality_estimator_web_holdback)); #if defined(OS_ANDROID) settings->SetAllowCustomScrollbarInMainFrame(false); settings->SetAccessibilityFontScaleFactor(prefs.font_scale_factor); settings->SetDeviceScaleAdjustment(prefs.device_scale_adjustment); settings->SetFullscreenSupported(prefs.fullscreen_supported); web_view->SetIgnoreViewportTagScaleLimits(prefs.force_enable_zoom); settings->SetAutoZoomFocusedNodeToLegibleScale(true); settings->SetMediaPlaybackGestureWhitelistScope( blink::WebString::FromUTF8(prefs.media_playback_gesture_whitelist_scope)); settings->SetDefaultVideoPosterURL( WebString::FromASCII(prefs.default_video_poster_url.spec())); settings->SetSupportDeprecatedTargetDensityDPI( prefs.support_deprecated_target_density_dpi); settings->SetUseLegacyBackgroundSizeShorthandBehavior( prefs.use_legacy_background_size_shorthand_behavior); settings->SetWideViewportQuirkEnabled(prefs.wide_viewport_quirk); settings->SetUseWideViewport(prefs.use_wide_viewport); settings->SetForceZeroLayoutHeight(prefs.force_zero_layout_height); settings->SetViewportMetaLayoutSizeQuirk( prefs.viewport_meta_layout_size_quirk); settings->SetViewportMetaMergeContentQuirk( prefs.viewport_meta_merge_content_quirk); settings->SetViewportMetaNonUserScalableQuirk( prefs.viewport_meta_non_user_scalable_quirk); settings->SetViewportMetaZeroValuesQuirk( prefs.viewport_meta_zero_values_quirk); settings->SetClobberUserAgentInitialScaleQuirk( prefs.clobber_user_agent_initial_scale_quirk); settings->SetIgnoreMainFrameOverflowHiddenQuirk( prefs.ignore_main_frame_overflow_hidden_quirk); settings->SetReportScreenSizeInPhysicalPixelsQuirk( prefs.report_screen_size_in_physical_pixels_quirk); settings->SetShouldReuseGlobalForUnownedMainFrame( prefs.reuse_global_for_unowned_main_frame); settings->SetPreferHiddenVolumeControls(true); settings->SetSpellCheckEnabledByDefault(prefs.spellcheck_enabled_by_default); // Force preload=none and disable autoplay on older Android // platforms because their media pipelines are not stable enough to handle // concurrent elements. See http://crbug.com/612909, http://crbug.com/622826. const bool is_jelly_bean = base::android::BuildInfo::GetInstance()->sdk_int() <= base::android::SDK_VERSION_JELLY_BEAN_MR2; settings->SetForcePreloadNoneForMediaElements(is_jelly_bean); WebRuntimeFeatures::EnableVideoFullscreenOrientationLock( prefs.video_fullscreen_orientation_lock_enabled); WebRuntimeFeatures::EnableVideoRotateToFullscreen( prefs.video_rotate_to_fullscreen_enabled); WebRuntimeFeatures::EnableVideoFullscreenDetection( prefs.video_fullscreen_detection_enabled); settings->SetEmbeddedMediaExperienceEnabled( prefs.embedded_media_experience_enabled); settings->SetImmersiveModeEnabled(prefs.immersive_mode_enabled); settings->SetMediaDownloadInProductHelpEnabled( prefs.enable_media_download_in_product_help); settings->SetDoNotUpdateSelectionOnMutatingSelectionRange( prefs.do_not_update_selection_on_mutating_selection_range); WebRuntimeFeatures::EnableCSSHexAlphaColor(prefs.css_hex_alpha_color_enabled); WebRuntimeFeatures::EnableScrollTopLeftInterop( prefs.scroll_top_left_interop_enabled); #else // defined(OS_ANDROID) settings->SetFullscreenSupported(prefs.fullscreen_supported); #endif // defined(OS_ANDROID) switch (prefs.autoplay_policy) { case AutoplayPolicy::kNoUserGestureRequired: settings->SetAutoplayPolicy( WebSettings::AutoplayPolicy::kNoUserGestureRequired); break; case AutoplayPolicy::kUserGestureRequired: settings->SetAutoplayPolicy( WebSettings::AutoplayPolicy::kUserGestureRequired); break; case AutoplayPolicy::kUserGestureRequiredForCrossOrigin: settings->SetAutoplayPolicy( WebSettings::AutoplayPolicy::kUserGestureRequiredForCrossOrigin); break; case AutoplayPolicy::kDocumentUserActivationRequired: settings->SetAutoplayPolicy( WebSettings::AutoplayPolicy::kDocumentUserActivationRequired); break; } settings->SetViewportEnabled(prefs.viewport_enabled); settings->SetViewportMetaEnabled(prefs.viewport_meta_enabled); settings->SetViewportStyle( static_cast(prefs.viewport_style)); settings->SetLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale); settings->SetMainFrameResizesAreOrientationChanges( prefs.main_frame_resizes_are_orientation_changes); settings->SetUseSolidColorScrollbars(prefs.use_solid_color_scrollbars); settings->SetShowContextMenuOnMouseUp(prefs.context_menu_on_mouse_up); settings->SetAlwaysShowContextMenuOnTouch( prefs.always_show_context_menu_on_touch); settings->SetSmoothScrollForFindEnabled(prefs.smooth_scroll_for_find_enabled); settings->SetHideDownloadUI(prefs.hide_download_ui); WebRuntimeFeatures::EnableNewRemotePlaybackPipeline( base::FeatureList::IsEnabled(media::kNewRemotePlaybackPipeline)); settings->SetPresentationReceiver(prefs.presentation_receiver); settings->SetMediaControlsEnabled(prefs.media_controls_enabled); settings->SetLowPriorityIframesThreshold( static_cast( prefs.low_priority_iframes_threshold)); settings->SetPictureInPictureEnabled( prefs.picture_in_picture_enabled && MediaFactory::GetVideoSurfaceLayerMode() != blink::WebMediaPlayer::SurfaceLayerMode::kNever); settings->SetDataSaverHoldbackWebApi( prefs.data_saver_holdback_web_api_enabled); settings->SetDataSaverHoldbackMediaApi( prefs.data_saver_holdback_media_api_enabled); for (const auto& ect_distance_pair : prefs.lazy_frame_loading_distance_thresholds_px) { switch (ect_distance_pair.first) { case net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN: settings->SetLazyFrameLoadingDistanceThresholdPxUnknown( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_OFFLINE: settings->SetLazyFrameLoadingDistanceThresholdPxOffline( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_SLOW_2G: settings->SetLazyFrameLoadingDistanceThresholdPxSlow2G( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_2G: settings->SetLazyFrameLoadingDistanceThresholdPx2G( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_3G: settings->SetLazyFrameLoadingDistanceThresholdPx3G( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_4G: settings->SetLazyFrameLoadingDistanceThresholdPx4G( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_LAST: continue; } NOTREACHED(); } for (const auto& ect_distance_pair : prefs.lazy_image_loading_distance_thresholds_px) { switch (ect_distance_pair.first) { case net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN: settings->SetLazyImageLoadingDistanceThresholdPxUnknown( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_OFFLINE: settings->SetLazyImageLoadingDistanceThresholdPxOffline( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_SLOW_2G: settings->SetLazyImageLoadingDistanceThresholdPxSlow2G( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_2G: settings->SetLazyImageLoadingDistanceThresholdPx2G( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_3G: settings->SetLazyImageLoadingDistanceThresholdPx3G( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_4G: settings->SetLazyImageLoadingDistanceThresholdPx4G( ect_distance_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_LAST: continue; } NOTREACHED(); } #if defined(OS_MACOSX) web_view->SetMaximumLegibleScale(prefs.default_maximum_page_scale_factor); #endif #if defined(OS_WIN) WebRuntimeFeatures::EnableMiddleClickAutoscroll(true); #endif // Only enable href translate if we have the experimental web platform // flag on and the translation service is available. if (base::CommandLine::ForCurrentProcess()->HasSwitch( switches::kEnableExperimentalWebPlatformFeatures)) { WebRuntimeFeatures::EnableHrefTranslate(prefs.translate_service_available); } } /*static*/ RenderViewImpl* RenderViewImpl::Create( CompositorDependencies* compositor_deps, mojom::CreateViewParamsPtr params, RenderWidget::ShowCallback show_callback, scoped_refptr task_runner) { DCHECK(params->view_id != MSG_ROUTING_NONE); DCHECK(params->main_frame_widget_routing_id != MSG_ROUTING_NONE); RenderViewImpl* render_view; if (g_create_render_view_impl) render_view = g_create_render_view_impl(compositor_deps, *params); else render_view = new RenderViewImpl(compositor_deps, *params); render_view->Initialize(std::move(params), std::move(show_callback), std::move(task_runner)); return render_view; } // static void RenderViewImpl::InstallCreateHook(RenderViewImpl* ( *create_render_view_impl)(CompositorDependencies* compositor_deps, const mojom::CreateViewParams&)) { 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() { return webview_; } const blink::WebView* RenderViewImpl::webview() const { return webview_; } // RenderWidgetOwnerDelegate ----------------------------------------- blink::WebWidget* RenderViewImpl::GetWebWidgetForWidget() const { return frame_widget_; } bool RenderViewImpl::RenderWidgetWillHandleMouseEventForWidget( const blink::WebMouseEvent& event) { // If the mouse is locked, only the current owner of the mouse lock can // process mouse events. return GetWidget()->mouse_lock_dispatcher()->WillHandleMouseEvent(event); } void RenderViewImpl::SetActiveForWidget(bool active) { if (webview()) webview()->SetIsActive(active); } bool RenderViewImpl::SupportsMultipleWindowsForWidget() { return webkit_preferences_.supports_multiple_windows; } void RenderViewImpl::DidHandleGestureEventForWidget( const WebGestureEvent& event) { for (auto& observer : observers_) observer.DidHandleGestureEvent(event); } void RenderViewImpl::OverrideCloseForWidget() { DCHECK(frame_widget_); frame_widget_->Close(); frame_widget_ = nullptr; } void RenderViewImpl::DidCloseWidget() { // The webview_ is already destroyed by the time we get here, remove any // references to it. g_view_map.Get().erase(webview_); webview_ = nullptr; g_routing_id_view_map.Get().erase(GetRoutingID()); } void RenderViewImpl::ApplyNewSizeForWidget(const gfx::Size& old_size, const gfx::Size& new_size) { if (webview()) { // Only hide popups when the size changes. There are situations (e.g. hiding // the ChromeOS virtual keyboard) where we send a resize message with no // change in size, but we don't want to close popups. // See https://crbug.com/761908. if (new_size != old_size) webview()->HidePopups(); if (send_preferred_size_changes_ && webview()->MainFrame()->IsWebLocalFrame()) { webview()->MainFrame()->ToWebLocalFrame()->SetCanHaveScrollbars( ShouldDisplayScrollbars(new_size.width(), new_size.height())); } } } void RenderViewImpl::ApplyNewDisplayModeForWidget( const blink::WebDisplayMode& new_display_mode) { if (webview()) webview()->SetDisplayMode(new_display_mode); } void RenderViewImpl::ApplyAutoResizeLimitsForWidget(const gfx::Size& min_size, const gfx::Size& max_size) { webview()->EnableAutoResizeMode(min_size, max_size); } void RenderViewImpl::DisableAutoResizeForWidget() { webview()->DisableAutoResizeMode(); } void RenderViewImpl::ScrollFocusedNodeIntoViewForWidget() { if (WebLocalFrame* focused_frame = GetWebView()->FocusedFrame()) { auto* frame_widget = focused_frame->LocalRoot()->FrameWidget(); frame_widget->ScrollFocusedEditableElementIntoView(); } } void RenderViewImpl::DidReceiveSetFocusEventForWidget() { // This message must always be received when the main frame is a // WebLocalFrame. // TODO(ajwong): Can this be removed and just check |owner_delegate_| in // RenderWidget instead? CHECK(webview()->MainFrame()->IsWebLocalFrame()); } void RenderViewImpl::DidChangeFocusForWidget() { // Notify all BrowserPlugins of the RenderView's focus state. if (BrowserPluginManager::Get()) BrowserPluginManager::Get()->UpdateFocusState(); } void RenderViewImpl::DidCommitCompositorFrameForWidget() { for (auto& observer : observers_) observer.DidCommitCompositorFrame(); UpdatePreferredSize(); } void RenderViewImpl::DidCompletePageScaleAnimationForWidget() { if (auto* focused_frame = GetWebView()->FocusedFrame()) { if (focused_frame->AutofillClient()) focused_frame->AutofillClient()->DidCompleteFocusChangeInFrame(); } } void RenderViewImpl::ResizeWebWidgetForWidget( const gfx::Size& size, float top_controls_height, float bottom_controls_height, bool browser_controls_shrink_blink_size) { webview()->ResizeWithBrowserControls(size, top_controls_height, bottom_controls_height, browser_controls_shrink_blink_size); } void RenderViewImpl::RequestScheduleAnimationForWidget() { // Schedule the animation on the WidgetClient() which may not be the // RenderWidget directly in layout tests. WidgetClient()->ScheduleAnimation(); } void RenderViewImpl::SetScreenMetricsEmulationParametersForWidget( bool enabled, const blink::WebDeviceEmulationParams& params) { if (webview() && GetWidget()->layer_tree_view()) { if (enabled) webview()->EnableDeviceEmulation(params); else webview()->DisableDeviceEmulation(); } } // IPC message handlers ----------------------------------------- void RenderViewImpl::OnUpdateTargetURLAck() { // Check if there is a targeturl waiting to be sent. if (target_url_status_ == TARGET_PENDING) Send(new ViewHostMsg_UpdateTargetURL(GetRoutingID(), pending_target_url_)); target_url_status_ = TARGET_NONE; } void RenderViewImpl::OnSetHistoryOffsetAndLength(int history_offset, int history_length) { // -1 <= history_offset < history_length <= kMaxSessionHistoryEntries(50). DCHECK_LE(-1, history_offset); DCHECK_LT(history_offset, history_length); DCHECK_LE(history_length, kMaxSessionHistoryEntries); history_list_offset_ = history_offset; history_list_length_ = history_length; } void RenderViewImpl::OnSetInitialFocus(bool reverse) { if (!webview()) return; webview()->SetInitialFocus(reverse); } void RenderViewImpl::OnUpdateWindowScreenRect(gfx::Rect window_screen_rect) { // Defers to the RenderWidget message handler. GetWidget()->SetWindowScreenRect(window_screen_rect); } void RenderViewImpl::OnAudioStateChanged(bool is_audio_playing) { webview()->AudioStateChanged(is_audio_playing); } void RenderViewImpl::OnPausePageScheduledTasks(bool paused) { webview()->PausePageScheduledTasks(paused); } /////////////////////////////////////////////////////////////////////////////// void RenderViewImpl::ShowCreatedPopupWidget(RenderWidget* popup_widget, WebNavigationPolicy policy, const gfx::Rect& initial_rect) { Send(new ViewHostMsg_ShowWidget(GetRoutingID(), popup_widget->routing_id(), initial_rect)); } void RenderViewImpl::ShowCreatedFullscreenWidget( RenderWidget* fullscreen_widget, WebNavigationPolicy policy, const gfx::Rect& initial_rect) { Send(new ViewHostMsg_ShowFullscreenWidget(GetRoutingID(), fullscreen_widget->routing_id())); } void RenderViewImpl::SendFrameStateUpdates() { // Tell each frame with pending state to send its UpdateState message. for (int render_frame_routing_id : frames_with_pending_state_) { RenderFrameImpl* frame = RenderFrameImpl::FromRoutingID(render_frame_routing_id); if (frame) frame->SendUpdateState(); } frames_with_pending_state_.clear(); } void RenderViewImpl::ApplyWebPreferencesInternal(const WebPreferences& prefs, blink::WebView* web_view) { ApplyWebPreferences(prefs, web_view); } // IPC::Listener ------------------------------------------------------------- bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) { WebFrame* main_frame = webview() ? webview()->MainFrame() : nullptr; if (main_frame) { GURL active_url; if (main_frame->IsWebLocalFrame()) active_url = main_frame->ToWebLocalFrame()->GetDocument().Url(); GetContentClient()->SetActiveURL( active_url, main_frame->Top()->GetSecurityOrigin().ToString().Utf8()); } for (auto& observer : observers_) { if (observer.OnMessageReceived(message)) return true; } bool handled = true; IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message) IPC_MESSAGE_HANDLER(ViewMsg_SetPageScale, OnSetPageScale) IPC_MESSAGE_HANDLER(ViewMsg_SetInitialFocus, OnSetInitialFocus) IPC_MESSAGE_HANDLER(ViewMsg_UpdateTargetURL_ACK, OnUpdateTargetURLAck) IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences) IPC_MESSAGE_HANDLER(ViewMsg_EnumerateDirectoryResponse, OnEnumerateDirectoryResponse) IPC_MESSAGE_HANDLER(ViewMsg_ClosePage, OnClosePage) IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted) IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode, OnEnablePreferredSizeChangedMode) IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows, OnDisableScrollbarsForSmallWindows) IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs) IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt) // Page messages. IPC_MESSAGE_HANDLER(PageMsg_UpdateWindowScreenRect, OnUpdateWindowScreenRect) IPC_MESSAGE_HANDLER(PageMsg_WasHidden, OnPageWasHidden) IPC_MESSAGE_HANDLER(PageMsg_WasShown, OnPageWasShown) IPC_MESSAGE_HANDLER(PageMsg_SetHistoryOffsetAndLength, OnSetHistoryOffsetAndLength) IPC_MESSAGE_HANDLER(PageMsg_AudioStateChanged, OnAudioStateChanged) IPC_MESSAGE_HANDLER(PageMsg_PausePageScheduledTasks, OnPausePageScheduledTasks) IPC_MESSAGE_HANDLER(PageMsg_UpdateScreenInfo, OnUpdateScreenInfo) IPC_MESSAGE_HANDLER(PageMsg_SetPageFrozen, SetPageFrozen) // 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() return handled; } // blink::WebViewClient ------------------------------------------------------ // TODO(csharrison): Migrate this method to WebLocalFrameClient / // RenderFrameImpl, as it is now serviced by a mojo interface scoped to the // opener frame. WebView* RenderViewImpl::CreateView(WebLocalFrame* creator, const WebURLRequest& request, const WebWindowFeatures& features, const WebString& frame_name, WebNavigationPolicy policy, bool suppress_opener, WebSandboxFlags sandbox_flags) { RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator); mojom::CreateNewWindowParamsPtr params = mojom::CreateNewWindowParams::New(); // User Activation v2 moves user gesture checks to the browser process, with // the exception of the extensions case handled through the following |if|. params->mimic_user_gesture = base::FeatureList::IsEnabled(features::kUserActivationV2) ? false : WebUserGestureIndicator::IsProcessingUserGesture(creator); if (GetContentClient()->renderer()->AllowPopup()) params->mimic_user_gesture = true; params->window_container_type = WindowFeaturesToContainerType(features); params->session_storage_namespace_id = blink::AllocateSessionStorageNamespaceId(); params->clone_from_session_storage_namespace_id = session_storage_namespace_id_; if (base::FeatureList::IsEnabled(features::kMojoSessionStorage)) { RenderThreadImpl::current_blink_platform_impl() ->CloneSessionStorageNamespace(session_storage_namespace_id_, params->session_storage_namespace_id); } const std::string& frame_name_utf8 = frame_name.Utf8( WebString::UTF8ConversionMode::kStrictReplacingErrorsWithFFFD); params->frame_name = frame_name_utf8; params->opener_suppressed = suppress_opener; params->disposition = NavigationPolicyToDisposition(policy); if (!request.IsNull()) { params->target_url = request.Url(); params->referrer = GetReferrerFromRequest(creator, request); } params->features = ConvertWebWindowFeaturesToMojoWindowFeatures(features); // We preserve this information before sending the message since |params| is // moved on send. bool is_background_tab = params->disposition == WindowOpenDisposition::NEW_BACKGROUND_TAB; bool opened_by_user_gesture = params->mimic_user_gesture; mojom::CreateNewWindowStatus status; mojom::CreateNewWindowReplyPtr reply; auto* frame_host = creator_frame->GetFrameHost(); bool err = !frame_host->CreateNewWindow(std::move(params), &status, &reply); if (err || status == mojom::CreateNewWindowStatus::kIgnore) return nullptr; // For Android WebView, we support a pop-up like behavior for window.open() // even if the embedding app doesn't support multiple windows. In this case, // window.open() will return "window" and navigate it to whatever URL was // passed. We also don't need to consume user gestures to protect against // multiple windows being opened, because, well, the app doesn't support // multiple windows. // TODO(dcheng): It's awkward that this is plumbed into Blink but not really // used much in Blink, except to enable layout testing... perhaps this should // be checked directly in the browser side. if (status == mojom::CreateNewWindowStatus::kReuse) return webview(); DCHECK(reply); DCHECK_NE(MSG_ROUTING_NONE, reply->route_id); DCHECK_NE(MSG_ROUTING_NONE, reply->main_frame_route_id); DCHECK_NE(MSG_ROUTING_NONE, reply->main_frame_widget_route_id); // The browser allowed creation of a new window and consumed the user // activation (UAv2 only). WebUserGestureIndicator::ConsumeUserGesture( creator, blink::UserActivationUpdateSource::kBrowser); // While this view may be a background extension page, it can spawn a visible // render view. So we just assume that the new one is not another background // page instead of passing on our own value. // TODO(vangelis): Can we tell if the new view will be a background page? bool never_visible = false; VisualProperties visual_properties = VisualProperties(); visual_properties.screen_info = GetWidget()->screen_info(); // 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. mojom::CreateViewParamsPtr view_params = mojom::CreateViewParams::New(); view_params->opener_frame_route_id = creator_frame->GetRoutingID(); DCHECK_EQ(GetRoutingID(), creator_frame->render_view()->GetRoutingID()); view_params->window_was_created_with_opener = true; view_params->renderer_preferences = renderer_preferences_; view_params->web_preferences = webkit_preferences_; view_params->view_id = reply->route_id; view_params->main_frame_routing_id = reply->main_frame_route_id; view_params->main_frame_interface_provider = std::move(reply->main_frame_interface_provider); view_params->main_frame_widget_routing_id = reply->main_frame_widget_route_id; view_params->session_storage_namespace_id = reply->cloned_session_storage_namespace_id; DCHECK(!view_params->session_storage_namespace_id.empty()) << "Session storage namespace must be populated."; view_params->swapped_out = false; view_params->replicated_frame_state.frame_policy.sandbox_flags = sandbox_flags; view_params->replicated_frame_state.name = frame_name_utf8; view_params->devtools_main_frame_token = reply->devtools_main_frame_token; // Even if the main frame has a name, the main frame's unique name is always // the empty string. view_params->hidden = is_background_tab; view_params->never_visible = never_visible; view_params->visual_properties = visual_properties; // Unretained() is safe here because our calling function will also call // show(). RenderWidget::ShowCallback show_callback = base::BindOnce(&RenderFrameImpl::ShowCreatedWindow, base::Unretained(creator_frame), opened_by_user_gesture); RenderViewImpl* view = RenderViewImpl::Create( GetWidget()->compositor_deps(), std::move(view_params), std::move(show_callback), creator->GetTaskRunner(blink::TaskType::kInternalDefault)); return view->webview(); } WebWidget* RenderViewImpl::CreatePopup(blink::WebLocalFrame* creator) { mojom::WidgetPtr widget_channel; mojom::WidgetRequest widget_channel_request = mojo::MakeRequest(&widget_channel); // Do a synchronous IPC to obtain a routing ID. int32_t widget_routing_id = MSG_ROUTING_NONE; bool success = RenderThreadImpl::current_render_message_filter()->CreateNewWidget( GetRoutingID(), std::move(widget_channel), &widget_routing_id); if (!success) { // When the renderer is being killed the mojo message will fail. return nullptr; } RenderWidget::ShowCallback opener_callback = base::BindOnce( &RenderViewImpl::ShowCreatedPopupWidget, weak_ptr_factory_.GetWeakPtr()); // The RenderWidget associated with the RenderView. This should be the // RenderWidget for the main frame, but may be a zombie RenderWidget when // the main frame is remote (we don't need a RenderWidget for it then). // However for now (https://crbug.com/419087) we know it exists and grab // state off it for the popup. // TODO(crbug.com/419087): This should probably be using the local root's // RenderWidget for the frame making the popup. RenderWidget* view_render_widget = GetWidget(); auto popup_widget = base::MakeRefCounted( widget_routing_id, view_render_widget->compositor_deps(), WidgetType::kPopup, view_render_widget->screen_info(), blink::kWebDisplayModeUndefined, /*swapped_out=*/false, /*hidden=*/false, /*never_visible=*/false, std::move(widget_channel_request)); // The returned WebPagePopup is self-referencing, so the pointer here is not // an owning pointer. blink::WebPagePopup* popup_web_widget = blink::WebPagePopup::Create(popup_widget.get()); // Adds a self-reference on the |popup_widget| so it will not be destroyed // when leaving scope. The WebPagePopup takes responsibility for Close()ing // and thus destroying the RenderWidget. popup_widget->InitForPopup(std::move(opener_callback), popup_web_widget); // TODO(crbug.com/419087): RenderWidget has some weird logic for picking a // WebWidget which doesn't apply to this case. So we verify. This can go away // when RenderWidget::GetWebWidget() is just a simple accessor. DCHECK_EQ(popup_widget->GetWebWidget(), popup_web_widget); // Devtools emulation, which may be currently applied to the // |view_render_widget|, should also apply to the new popup. This doesn't // happen automatically. popup_widget->ApplyEmulatedScreenMetricsForPopupWidget(view_render_widget); return popup_web_widget; } base::StringPiece RenderViewImpl::GetSessionStorageNamespaceId() { CHECK(!session_storage_namespace_id_.empty()); return session_storage_namespace_id_; } void RenderViewImpl::PrintPage(WebLocalFrame* frame) { UMA_HISTOGRAM_BOOLEAN("PrintPreview.InitiatedByScript", frame->Top() == frame); // Logging whether the top frame is remote is sufficient in this case. If // the top frame is local, the printing code will function correctly and // the frame itself will be printed, so the cases this histogram tracks is // where printing of a subframe will fail as of now. UMA_HISTOGRAM_BOOLEAN("PrintPreview.OutOfProcessSubframe", frame->Top()->IsWebRemoteFrame()); RenderFrameImpl::FromWebFrame(frame)->ScriptedPrint( GetWidget()->input_handler().handling_input_event()); } bool RenderViewImpl::EnumerateChosenDirectory( const WebString& path, WebFileChooserCompletion* chooser_completion) { int id = enumeration_completion_id_++; enumeration_completions_[id] = chooser_completion; return Send(new ViewHostMsg_EnumerateDirectory( GetRoutingID(), id, blink::WebStringToFilePath(path))); } void RenderViewImpl::AttachWebFrameWidget(blink::WebFrameWidget* frame_widget) { // The previous WebFrameWidget must already be detached by CloseForFrame(). DCHECK(!frame_widget_); frame_widget_ = frame_widget; } void RenderViewImpl::SetZoomLevel(double zoom_level) { // If we change the zoom level for the view, make sure any subsequent subframe // loads reflect the current zoom level. page_zoom_level_ = zoom_level; webview()->SetZoomLevel(zoom_level); for (auto& observer : observers_) observer.OnZoomLevelChanged(); } void RenderViewImpl::SetValidationMessageDirection( base::string16* wrapped_main_text, blink::WebTextDirection main_text_hint, base::string16* wrapped_sub_text, blink::WebTextDirection sub_text_hint) { if (main_text_hint == blink::kWebTextDirectionLeftToRight) { *wrapped_main_text = base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text); } else if (main_text_hint == blink::kWebTextDirectionRightToLeft && !base::i18n::IsRTL()) { base::i18n::WrapStringWithRTLFormatting(wrapped_main_text); } if (!wrapped_sub_text->empty()) { if (sub_text_hint == blink::kWebTextDirectionLeftToRight) { *wrapped_sub_text = base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text); } else if (sub_text_hint == blink::kWebTextDirectionRightToLeft) { base::i18n::WrapStringWithRTLFormatting(wrapped_sub_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 |kMaxURLChars| cannot be sent through IPC - // see |ParamTraits|. if (latest_url.possibly_invalid_spec().size() > url::kMaxURLChars) latest_url = GURL(); Send(new ViewHostMsg_UpdateTargetURL(GetRoutingID(), latest_url)); target_url_ = latest_url; target_url_status_ = TARGET_INFLIGHT; } } void RenderViewImpl::StartNavStateSyncTimerIfNecessary(RenderFrameImpl* frame) { // Keep track of which frames have pending updates. frames_with_pending_state_.insert(frame->GetRoutingID()); 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(); } // Tell each frame with pending state to inform the browser. nav_state_sync_timer_.Start(FROM_HERE, TimeDelta::FromSeconds(delay), this, &RenderViewImpl::SendFrameStateUpdates); } 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_); } bool RenderViewImpl::AcceptsLoadDrops() { return renderer_preferences_.can_accept_load_drops; } void RenderViewImpl::FocusNext() { Send(new ViewHostMsg_TakeFocus(GetRoutingID(), false)); } void RenderViewImpl::FocusPrevious() { Send(new ViewHostMsg_TakeFocus(GetRoutingID(), true)); } // TODO(esprehn): Blink only ever passes Elements, this should take WebElement. void RenderViewImpl::FocusedNodeChanged(const WebNode& fromNode, const WebNode& toNode) { RenderFrameImpl* previous_frame = nullptr; if (!fromNode.IsNull()) previous_frame = RenderFrameImpl::FromWebFrame(fromNode.GetDocument().GetFrame()); RenderFrameImpl* new_frame = nullptr; if (!toNode.IsNull()) new_frame = RenderFrameImpl::FromWebFrame(toNode.GetDocument().GetFrame()); if (previous_frame && previous_frame != new_frame) previous_frame->FocusedNodeChanged(WebNode()); if (new_frame) new_frame->FocusedNodeChanged(toNode); // TODO(dmazzoni): remove once there's a separate a11y tree per frame. if (main_render_frame_) main_render_frame_->FocusedNodeChangedForAccessibility(toNode); } void RenderViewImpl::DidUpdateMainFrameLayout() { for (auto& observer : observers_) observer.DidUpdateMainFrameLayout(); // The main frame may have changed size. needs_preferred_size_update_ = true; } void RenderViewImpl::NavigateBackForwardSoon(int offset, bool has_user_gesture) { history_navigation_virtual_time_pauser_ = RenderThreadImpl::current() ->GetWebMainThreadScheduler() ->CreateWebScopedVirtualTimePauser( "NavigateBackForwardSoon", blink::WebScopedVirtualTimePauser::VirtualTaskDuration::kInstant); history_navigation_virtual_time_pauser_.PauseVirtualTime(); Send(new ViewHostMsg_GoToEntryAtOffset(GetRoutingID(), offset, has_user_gesture)); } void RenderViewImpl::DidCommitProvisionalHistoryLoad() { history_navigation_virtual_time_pauser_.UnpauseVirtualTime(); } void RenderViewImpl::RegisterRendererPreferenceWatcherForWorker( mojom::RendererPreferenceWatcherPtr watcher) { renderer_preference_watchers_.AddPtr(std::move(watcher)); } int RenderViewImpl::HistoryBackListCount() { return history_list_offset_ < 0 ? 0 : history_list_offset_; } int RenderViewImpl::HistoryForwardListCount() { return history_list_length_ - HistoryBackListCount() - 1; } // blink::WebWidgetClient ---------------------------------------------------- bool RenderViewImpl::CanHandleGestureEvent() { return true; } bool RenderViewImpl::CanUpdateLayout() { return true; } blink::WebWidgetClient* RenderViewImpl::WidgetClient() { return this; } // blink::WebLocalFrameClient // ----------------------------------------------------- void RenderViewImpl::SetEditCommandForNextKeyEvent(const std::string& name, const std::string& value) { GetWidget()->SetEditCommandForNextKeyEvent(name, value); } void RenderViewImpl::ClearEditCommands() { GetWidget()->ClearEditCommands(); } const std::string& RenderViewImpl::GetAcceptLanguages() const { return renderer_preferences_.accept_languages; } #if defined(OS_ANDROID) || defined(OS_CHROMEOS) void RenderViewImpl::UpdateBrowserControlsState( BrowserControlsState constraints, BrowserControlsState current, bool animate) { if (GetWebWidget()) { GetWebWidget()->UpdateBrowserControlsState(ContentToCc(constraints), ContentToCc(current), animate); } top_controls_constraints_ = constraints; } void RenderViewImpl::didScrollWithKeyboard(const blink::WebSize& delta) { if (delta.height == 0) return; BrowserControlsState current = delta.height < 0 ? BROWSER_CONTROLS_STATE_SHOWN : BROWSER_CONTROLS_STATE_HIDDEN; UpdateBrowserControlsState(top_controls_constraints_, current, true); } #endif void RenderViewImpl::ConvertViewportToWindowViaWidget(blink::WebRect* rect) { WidgetClient()->ConvertViewportToWindow(rect); } gfx::RectF RenderViewImpl::ElementBoundsInWindow( const blink::WebElement& element) { blink::WebRect bounding_box_in_window = element.BoundsInViewport(); WidgetClient()->ConvertViewportToWindow(&bounding_box_in_window); return gfx::RectF(bounding_box_in_window); } void RenderViewImpl::UpdatePreferredSize() { // 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; if (!needs_preferred_size_update_) return; needs_preferred_size_update_ = false; blink::WebSize tmp_size = webview()->ContentsPreferredMinimumSize(); blink::WebRect tmp_rect(0, 0, tmp_size.width, tmp_size.height); WidgetClient()->ConvertViewportToWindow(&tmp_rect); gfx::Size size(tmp_rect.width, tmp_rect.height); if (size == preferred_size_) return; preferred_size_ = size; Send(new ViewHostMsg_DidContentsPreferredSizeChange(GetRoutingID(), preferred_size_)); } blink::WebString RenderViewImpl::AcceptLanguages() { return WebString::FromUTF8(renderer_preferences_.accept_languages); } // RenderView implementation --------------------------------------------------- bool RenderViewImpl::Send(IPC::Message* message) { // This method is an override of IPC::Sender, but RenderWidget also has an // override of IPC::Sender, so this method also overrides RenderWidget. Thus // we must call to the base class, not via an upcast or virtual dispatch would // go back here. return RenderWidget::Send(message); } RenderWidget* RenderViewImpl::GetWidget() { return this; } RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() { return main_render_frame_; } int RenderViewImpl::GetRoutingID() const { return routing_id_; } gfx::Size RenderViewImpl::GetSize() const { return size(); } float RenderViewImpl::GetDeviceScaleFactor() const { return GetWebScreenInfo().device_scale_factor; } float RenderViewImpl::GetZoomLevel() const { return page_zoom_level_; } const WebPreferences& RenderViewImpl::GetWebkitPreferences() { return webkit_preferences_; } void RenderViewImpl::SetWebkitPreferences(const WebPreferences& preferences) { OnUpdateWebPreferences(preferences); } blink::WebView* RenderViewImpl::GetWebView() { return webview(); } blink::WebFrameWidget* RenderViewImpl::GetWebFrameWidget() { return frame_widget_; } 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)); } bool RenderViewImpl::GetContentStateImmediately() const { return send_content_state_immediately_; } void RenderViewImpl::OnSetPageScale(float page_scale_factor) { if (!webview()) return; webview()->SetPageScaleFactor(page_scale_factor); } void RenderViewImpl::UpdateZoomLevel(double zoom_level) { webview()->HidePopups(); SetZoomLevel(zoom_level); } void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) { webkit_preferences_ = prefs; ApplyWebPreferencesInternal(webkit_preferences_, webview()); } 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] = blink::FilePathToWebString(paths[i]); enumeration_completions_[id]->DidChooseFile(ws_file_names); enumeration_completions_.erase(id); } void RenderViewImpl::OnEnablePreferredSizeChangedMode() { if (send_preferred_size_changes_) return; send_preferred_size_changes_ = true; if (!webview()) return; needs_preferred_size_update_ = true; // We need to ensure |UpdatePreferredSize| gets called. If a layout is needed, // force an update here which will call |DidUpdateMainFrameLayout|. webview()->UpdateLifecycle(WebWidget::LifecycleUpdate::kLayout); // If a layout was not needed, |DidUpdateMainFrameLayout| will not be called. // We explicitly update the preferred size here to ensure the preferred size // notification is sent. UpdatePreferredSize(); } 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) { std::string old_accept_languages = renderer_preferences_.accept_languages; renderer_preferences_ = renderer_prefs; renderer_preference_watchers_.ForAllPtrs( [&renderer_prefs](mojom::RendererPreferenceWatcher* watcher) { watcher->NotifyUpdate(renderer_prefs); }); UpdateFontRenderingFromRendererPrefs(); UpdateThemePrefs(); blink::SetCaretBlinkInterval(renderer_prefs.caret_blink_interval); #if BUILDFLAG(USE_DEFAULT_RENDER_THEME) if (renderer_prefs.use_custom_colors) { blink::SetFocusRingColor(renderer_prefs.focus_ring_color); 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 // BUILDFLAG(USE_DEFAULT_RENDER_THEME) if (webview() && old_accept_languages != renderer_preferences_.accept_languages) { webview()->AcceptLanguagesChanged(); } } void RenderViewImpl::OnPluginActionAt(const gfx::Point& location, const WebPluginAction& action) { if (webview()) webview()->PerformPluginAction(action, location); } void RenderViewImpl::OnClosePage() { // ViewMsg_ClosePage should only be sent to active, non-swapped-out views. DCHECK(webview()->MainFrame()->IsWebLocalFrame()); // 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()->MainFrame()->ToWebLocalFrame()->DispatchUnloadEvent(); Send(new ViewHostMsg_ClosePage_ACK(GetRoutingID())); } void RenderViewImpl::OnMoveOrResizeStarted() { if (webview()) webview()->HidePopups(); } void RenderViewImpl::OnPageWasHidden() { #if defined(OS_ANDROID) SuspendVideoCaptureDevices(true); #endif if (webview()) { // TODO(lfg): It's not correct to defer the page visibility to the main // frame. Currently, this is done because the main frame may override the // visibility of the page when prerendering. In order to fix this, // prerendering must be made aware of OOPIFs. https://crbug.com/440544 blink::mojom::PageVisibilityState visibilityState = GetMainRenderFrame() ? GetMainRenderFrame()->VisibilityState() : blink::mojom::PageVisibilityState::kHidden; webview()->SetVisibilityState(visibilityState, false); } } void RenderViewImpl::OnPageWasShown() { #if defined(OS_ANDROID) SuspendVideoCaptureDevices(false); #endif if (webview()) { blink::mojom::PageVisibilityState visibilityState = GetMainRenderFrame() ? GetMainRenderFrame()->VisibilityState() : blink::mojom::PageVisibilityState::kVisible; webview()->SetVisibilityState(visibilityState, false); } } void RenderViewImpl::OnUpdateScreenInfo(const ScreenInfo& screen_info) { // This IPC only updates the screen info on RenderViews that have a remote // main frame. For local main frames, the ScreenInfo is updated in // ViewMsg_Resize. // TODO(danakj): Move this message to RenderWidget? if (!main_render_frame_) GetWidget()->set_screen_info(screen_info); } void RenderViewImpl::SetPageFrozen(bool frozen) { if (webview()) webview()->SetPageFrozen(frozen); } void RenderViewImpl::SetFocus(bool enable) { // This is not an IPC message, don't go through the IPC handler. This is used // in cases where the IPC message should not happen. GetWidget()->SetFocus(enable); } void RenderViewImpl::ZoomLimitsChanged(double minimum_level, double maximum_level) { // Round the double to avoid returning incorrect minimum/maximum zoom // percentages. int minimum_percent = round( ZoomLevelToZoomFactor(minimum_level) * 100); int maximum_percent = round( ZoomLevelToZoomFactor(maximum_level) * 100); Send(new ViewHostMsg_UpdateZoomLimits(GetRoutingID(), minimum_percent, maximum_percent)); } void RenderViewImpl::PageScaleFactorChanged() { if (!webview()) return; Send(new ViewHostMsg_PageScaleFactorChanged(GetRoutingID(), webview()->PageScaleFactor())); } double RenderViewImpl::zoomLevelToZoomFactor(double zoom_level) const { return ZoomLevelToZoomFactor(zoom_level); } double RenderViewImpl::zoomFactorToZoomLevel(double factor) const { return ZoomFactorToZoomLevel(factor); } void RenderViewImpl::PageImportanceSignalsChanged() { if (!webview() || !main_render_frame_) return; auto* web_signals = webview()->PageImportanceSignals(); PageImportanceSignals signals; signals.had_form_interaction = web_signals->HadFormInteraction(); main_render_frame_->Send(new FrameHostMsg_UpdatePageImportanceSignals( main_render_frame_->GetRoutingID(), signals)); } void RenderViewImpl::DidAutoResize(const blink::WebSize& newSize) { GetWidget()->DidAutoResize(newSize); } blink::WebRect RenderViewImpl::RootWindowRect() { return WidgetClient()->WindowRect(); } void RenderViewImpl::DidFocus(blink::WebLocalFrame* calling_frame) { // 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(calling_frame) && !RenderThreadImpl::current()->layout_test_mode()) { Send(new ViewHostMsg_Focus(GetRoutingID())); // Tattle on the frame that called |window.focus()|. RenderFrameImpl* calling_render_frame = RenderFrameImpl::FromWebFrame(calling_frame); if (calling_render_frame) calling_render_frame->FrameDidCallFocus(); } } #if defined(OS_ANDROID) 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(); } void RenderViewImpl::DismissDateTimeDialog() { DCHECK(date_time_picker_client_); date_time_picker_client_.reset(); } void RenderViewImpl::SuspendVideoCaptureDevices(bool suspend) { #if BUILDFLAG(ENABLE_WEBRTC) if (!main_render_frame_) return; MediaStreamDeviceObserver* media_stream_device_observer = main_render_frame_->GetMediaStreamDeviceObserver(); if (!media_stream_device_observer) return; MediaStreamDevices video_devices = media_stream_device_observer->GetNonScreenCaptureDevices(); RenderThreadImpl::current()->video_capture_impl_manager()->SuspendDevices( video_devices, suspend); #endif // BUILDFLAG(ENABLE_WEBRTC) } #endif // defined(OS_ANDROID) unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const { return history_list_length_; } void RenderViewImpl::SetFocusAndActivateForTesting(bool enable) { // If the main frame is remote, return immediately. Page level focus // should be set from the browser process, so if needed by tests it should // be properly supported. if (webview()->MainFrame()->IsWebRemoteFrame()) return; if (enable == has_focus()) return; if (enable) { SetActiveForWidget(true); // Fake an IPC message so go through the IPC handler. OnSetFocus(true); } else { // Fake an IPC message so go through the IPC handler. OnSetFocus(false); SetActiveForWidget(false); } } } // namespace content