// 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 "content/common/content_constants_internal.h" #include "content/common/dom_storage/dom_storage_namespace_ids.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/navigation_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/render_widget_compositor.h" #include "content/renderer/history_serialization.h" #include "content/renderer/idle_user_detector.h" #include "content/renderer/ime_event_guard.h" #include "content/renderer/input/input_handler_manager.h" #include "content/renderer/internal_document_state_data.h" #include "content/renderer/loader/request_extra_data.h" #include "content/renderer/media/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/navigation_state_impl.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/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_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_media_player_action.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_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 "content/renderer/android/disambiguation_popup_helper.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::WebColor; 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::WebMediaPlayerAction; 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 (ScriptFontFamilyMap::const_iterator 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))); } } // This class represents promise which is robust to (will not be broken by) // |DidNotSwapReason::SWAP_FAILS| events. class AlwaysDrawSwapPromise : public cc::SwapPromise { public: explicit AlwaysDrawSwapPromise(const ui::LatencyInfo& latency_info) : latency_info_(latency_info) {} ~AlwaysDrawSwapPromise() override = default; void DidActivate() override {} void WillSwap(viz::CompositorFrameMetadata* metadata, cc::FrameTokenAllocator* frame_token_allocator) override { DCHECK(!latency_info_.terminated()); metadata->latency_info.push_back(latency_info_); } void DidSwap() override {} DidNotSwapAction DidNotSwap(DidNotSwapReason reason) override { return reason == DidNotSwapReason::SWAP_FAILS ? DidNotSwapAction::KEEP_ACTIVE : DidNotSwapAction::BREAK_PROMISE; } void OnCommit() override {} int64_t TraceId() const override { return latency_info_.trace_id(); } private: ui::LatencyInfo latency_info_; }; 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; } } } // namespace RenderViewImpl::RenderViewImpl( CompositorDependencies* compositor_deps, const mojom::CreateViewParams& params, scoped_refptr task_runner) : RenderWidget(params.view_id, compositor_deps, blink::kWebPopupTypeNone, params.initial_size.screen_info, params.swapped_out, params.hidden, params.never_visible, task_runner), webkit_preferences_(params.web_preferences), send_content_state_immediately_(false), send_preferred_size_changes_(false), navigation_gesture_(NavigationGestureUnknown), history_list_offset_(-1), history_list_length_(0), frames_in_progress_(0), target_url_status_(TARGET_NONE), uses_temporary_zoom_level_(false), #if defined(OS_ANDROID) top_controls_constraints_(BROWSER_CONTROLS_STATE_BOTH), #endif browser_controls_shrink_blink_size_(false), top_controls_height_(0.f), bottom_controls_height_(0.f), webview_(nullptr), page_zoom_level_(params.page_zoom_level), main_render_frame_(nullptr), frame_widget_(nullptr), #if defined(OS_ANDROID) was_created_by_renderer_(false), #endif enumeration_completion_id_(0), session_storage_namespace_id_(params.session_storage_namespace_id), renderer_wide_named_frame_lookup_(false), weak_ptr_factory_(this) { GetWidget()->set_owner_delegate(this); } void RenderViewImpl::Initialize( mojom::CreateViewParamsPtr params, const RenderWidget::ShowCallback& show_callback, scoped_refptr task_runner) { bool was_created_by_renderer = !show_callback.is_null(); #if defined(OS_ANDROID) // TODO(sgurun): crbug.com/325351 Needed only for android webview's deprecated // HandleNavigation codepath. was_created_by_renderer_ = was_created_by_renderer; #endif renderer_wide_named_frame_lookup_ = params->renderer_wide_named_frame_lookup; display_mode_ = params->initial_size.display_mode; WebFrame* opener_frame = RenderFrameImpl::ResolveOpener(params->opener_frame_route_id); webview_ = WebView::Create(this, is_hidden() ? blink::mojom::PageVisibilityState::kHidden : blink::mojom::PageVisibilityState::kVisible, opener_frame ? opener_frame->View() : nullptr); RenderWidget::Init(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(); if (command_line.HasSwitch(switches::kStatsCollectionController)) stats_collection_observer_.reset(new StatsCollectionObserver(this)); webview()->SetDisplayMode(display_mode_); webview()->GetSettings()->SetThreadedScrollingEnabled( !command_line.HasSwitch(switches::kDisableThreadedScrolling)); webview()->SetShowFPSCounter( command_line.HasSwitch(cc::switches::kShowFPSCounter)); ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_); if (switches::IsTouchDragDropEnabled()) webview()->GetSettings()->SetTouchDragDropEnabled(true); webview()->GetSettings()->SetBrowserSideNavigationEnabled( IsBrowserSideNavigationEnabled()); WebSettings::SelectionStrategyType selection_strategy = WebSettings::SelectionStrategyType::kCharacter; const std::string selection_strategy_str = base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII( switches::kTouchTextSelectionStrategy); if (selection_strategy_str == "direction") selection_strategy = WebSettings::SelectionStrategyType::kDirection; webview()->GetSettings()->SetSelectionStrategy(selection_strategy); std::string passiveListenersDefault = command_line.GetSwitchValueASCII(switches::kPassiveListenersDefault); if (!passiveListenersDefault.empty()) { WebSettings::PassiveEventListenerDefault passiveDefault = WebSettings::PassiveEventListenerDefault::kFalse; if (passiveListenersDefault == "true") passiveDefault = WebSettings::PassiveEventListenerDefault::kTrue; else if (passiveListenersDefault == "forcealltrue") passiveDefault = WebSettings::PassiveEventListenerDefault::kForceAllTrue; webview()->GetSettings()->SetPassiveEventListenerDefault(passiveDefault); } ApplyBlinkSettings(command_line, webview()->GetSettings()); 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, GetWebScreenInfo(), compositor_deps_, opener_frame, params->devtools_main_frame_token, params->replicated_frame_state, params->has_committed_real_load); } // TODO(dcheng): Shouldn't these be mutually exclusive at this point? See // https://crbug.com/720116 where the browser is apparently sending both // routing IDs... if (params->proxy_routing_id != MSG_ROUTING_NONE) { 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); } if (main_render_frame_) main_render_frame_->Initialize(); // If this RenderView's creation was initiated by an opener page in this // process, (e.g. window.open()), we won't be visible until we ask the opener, // via show_callback, to make us visible. Otherwise, we went through a // browser-initiated creation, and show() won't be called. if (!was_created_by_renderer) did_show_ = true; // TODO(davidben): Move this state from Blink into content. if (params->window_was_created_with_opener) webview()->SetOpenedByDOM(); UpdateWebViewWithDeviceScaleFactor(); OnSetRendererPrefs(params->renderer_preferences); OnResize(params->initial_size); idle_user_detector_.reset(new IdleUserDetector(this)); GetContentClient()->renderer()->RenderViewCreated(this); page_zoom_level_ = params->page_zoom_level; nav_state_sync_timer_.SetTaskRunner(task_runner); check_preferred_size_timer_.SetTaskRunner(std::move(task_runner)); } RenderViewImpl::~RenderViewImpl() { DCHECK(!frame_widget_); #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 idle_user_detector_.reset(); for (auto& observer : observers_) observer.RenderViewGone(); for (auto& observer : observers_) observer.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_t 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 */ size_t RenderView::GetRenderViewCount() { return g_view_map.Get().size(); } /*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*/ 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 && !base::FeatureList::IsEnabled(features::kDataSaverHoldback)); 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 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)); #if defined(OS_ANDROID) settings->SetAllowCustomScrollbarInMainFrame(false); settings->SetTextAutosizingEnabled(prefs.text_autosizing_enabled); 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->SetDoubleTapToZoomEnabled(prefs.double_tap_to_zoom_enabled); 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->SetShrinksViewportContentToFit( prefs.shrinks_viewport_contents_to_fit); 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::EnableBackgroundVideoTrackOptimization( prefs.background_video_track_optimization_enabled); 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); #if defined(OS_MACOSX) settings->SetDoubleTapToZoomEnabled(true); web_view->SetMaximumLegibleScale(prefs.default_maximum_page_scale_factor); #endif #if defined(OS_WIN) WebRuntimeFeatures::EnableMiddleClickAutoscroll(true); #endif } /*static*/ RenderViewImpl* RenderViewImpl::Create( CompositorDependencies* compositor_deps, mojom::CreateViewParamsPtr params, const RenderWidget::ShowCallback& show_callback, scoped_refptr task_runner) { DCHECK(params->view_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, task_runner); render_view->Initialize(std::move(params), 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_; } // RenderWidgetInputHandlerDelegate ----------------------------------------- bool RenderViewImpl::RenderWidgetWillHandleMouseEvent( const blink::WebMouseEvent& event) { // If the mouse is locked, only the current owner of the mouse lock can // process mouse events. return mouse_lock_dispatcher_->WillHandleMouseEvent(event); } // IPC::Listener implementation ---------------------------------------------- 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()); } // Input IPC messages must not be processed if the RenderView is in // swapped out state. if (is_swapped_out_ && IPC_MESSAGE_ID_CLASS(message.type()) == InputMsgStart) { IPC_BEGIN_MESSAGE_MAP(RenderViewImpl, message) IPC_MESSAGE_HANDLER(InputMsg_HandleInputEvent, OnDiscardInputEvent) IPC_END_MESSAGE_MAP() return false; } 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_SetBackgroundOpaque, OnSetBackgroundOpaque) IPC_MESSAGE_HANDLER(ViewMsg_EnablePreferredSizeChangedMode, OnEnablePreferredSizeChangedMode) IPC_MESSAGE_HANDLER(ViewMsg_DisableScrollbarsForSmallWindows, OnDisableScrollbarsForSmallWindows) IPC_MESSAGE_HANDLER(ViewMsg_SetRendererPrefs, OnSetRendererPrefs) IPC_MESSAGE_HANDLER(ViewMsg_MediaPlayerActionAt, OnMediaPlayerActionAt) IPC_MESSAGE_HANDLER(ViewMsg_PluginActionAt, OnPluginActionAt) IPC_MESSAGE_HANDLER(ViewMsg_SetActive, OnSetActive) IPC_MESSAGE_HANDLER(ViewMsg_ResolveTapDisambiguation, OnResolveTapDisambiguation) IPC_MESSAGE_HANDLER(ViewMsg_ForceRedraw, OnForceRedraw) IPC_MESSAGE_HANDLER(ViewMsg_SelectWordAroundCaret, OnSelectWordAroundCaret) // Page messages. IPC_MESSAGE_HANDLER(PageMsg_UpdateWindowScreenRect, OnUpdateWindowScreenRect) IPC_MESSAGE_HANDLER(PageMsg_SetZoomLevel, OnSetZoomLevel) 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_FreezePage, OnFreezePage) #if defined(OS_MACOSX) IPC_MESSAGE_HANDLER(ViewMsg_Close, OnClose) #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() return handled; } void RenderViewImpl::OnSelectWordAroundCaret() { // Set default values for the ACK bool did_select = false; int start_adjust = 0; int end_adjust = 0; if (webview()) { WebLocalFrame* focused_frame = GetWebView()->FocusedFrame(); if (focused_frame) { input_handler_->set_handling_input_event(true); blink::WebRange initial_range = focused_frame->SelectionRange(); if (!initial_range.IsNull()) did_select = focused_frame->SelectWordAroundCaret(); if (did_select) { blink::WebRange adjusted_range = focused_frame->SelectionRange(); start_adjust = adjusted_range.StartOffset() - initial_range.StartOffset(); end_adjust = adjusted_range.EndOffset() - initial_range.EndOffset(); } input_handler_->set_handling_input_event(false); } } Send(new ViewHostMsg_SelectWordAroundCaretAck(GetRoutingID(), did_select, start_adjust, end_adjust)); } 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) { RenderWidget::OnUpdateWindowScreenRect(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, CompositorDependencies* compositor_deps) { ApplyWebPreferences(prefs, web_view); } void RenderViewImpl::OnForceRedraw(const ui::LatencyInfo& latency_info) { if (RenderWidgetCompositor* rwc = compositor()) { rwc->QueueSwapPromise( std::make_unique(latency_info)); rwc->SetNeedsForcedRedraw(); } } // blink::WebViewClient ------------------------------------------------------ // TODO(csharrison): Migrate this method to WebFrameClient / 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(); params->user_gesture = WebUserGestureIndicator::IsProcessingUserGesture(creator); if (GetContentClient()->renderer()->AllowPopup()) params->user_gesture = true; params->window_container_type = WindowFeaturesToContainerType(features); params->session_storage_namespace_id = 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->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); WebUserGestureIndicator::ConsumeUserGesture(creator); // 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; ResizeParams initial_size = ResizeParams(); initial_size.screen_info = 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; 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->initial_size = initial_size; view_params->enable_auto_resize = false; view_params->min_size = gfx::Size(); view_params->max_size = gfx::Size(); view_params->page_zoom_level = page_zoom_level_; // Unretained() is safe here because our calling function will also call // show(). RenderWidget::ShowCallback show_callback = base::Bind(&RenderFrameImpl::ShowCreatedWindow, base::Unretained(creator_frame), opened_by_user_gesture); RenderViewImpl* view = RenderViewImpl::Create( compositor_deps_, std::move(view_params), std::move(show_callback), creator->GetTaskRunner(blink::TaskType::kUnthrottled)); return view->webview(); } WebWidget* RenderViewImpl::CreatePopup(blink::WebLocalFrame* creator, blink::WebPopupType popup_type) { RenderWidget* widget = RenderWidget::CreateForPopup( this, compositor_deps_, popup_type, screen_info_, creator->GetTaskRunner(blink::TaskType::kUnthrottled)); if (!widget) return nullptr; if (screen_metrics_emulator_) { widget->SetPopupOriginAdjustmentsForEmulation( screen_metrics_emulator_.get()); } return widget->GetWebWidget(); } 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( 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::FrameDidStartLoading(WebFrame* frame) { DCHECK_GE(frames_in_progress_, 0); if (frames_in_progress_ == 0) { for (auto& observer : observers_) observer.DidStartLoading(); } frames_in_progress_++; } void RenderViewImpl::FrameDidStopLoading(WebFrame* frame) { // TODO(japhet): This should be a DCHECK, but the pdf plugin sometimes // calls DidStopLoading() without a matching DidStartLoading(). if (frames_in_progress_ == 0) return; frames_in_progress_--; if (frames_in_progress_ == 0) { for (auto& observer : observers_) observer.DidStopLoading(); } } 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::DidUpdateLayout() { for (auto& observer : observers_) observer.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) { 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)); } void RenderViewImpl::DidCommitProvisionalHistoryLoad() { history_navigation_virtual_time_pauser_.UnpauseVirtualTime(); } int RenderViewImpl::HistoryBackListCount() { return history_list_offset_ < 0 ? 0 : history_list_offset_; } int RenderViewImpl::HistoryForwardListCount() { return history_list_length_ - HistoryBackListCount() - 1; } // blink::WebWidgetClient ---------------------------------------------------- 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 WebFrame* main_frame = webview() ? webview()->MainFrame() : nullptr; bool is_processing_user_gesture = WebUserGestureIndicator::IsProcessingUserGesture( main_frame && main_frame->IsWebLocalFrame() ? main_frame->ToWebLocalFrame() : nullptr); if (is_processing_user_gesture && !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(); } } // We are supposed to get a single call to show() for a newly created RenderView // that was created via RenderViewImpl::createView. We wait until this point to // run |show_callback|, which is bound to our opener's ShowCreatedViewWidget() // method. // // 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_ && !webkit_preferences_.supports_multiple_windows) { // When supports_multiple_windows is disabled, popups are reusing // the same view. In some scenarios, this makes WebKit to call show() twice. return; } RenderWidget::Show(policy); } bool RenderViewImpl::CanHandleGestureEvent() { return true; } bool RenderViewImpl::CanUpdateLayout() { return true; } void RenderViewImpl::DidHandleGestureEvent(const WebGestureEvent& event, bool event_cancelled) { RenderWidget::DidHandleGestureEvent(event, event_cancelled); if (!event_cancelled) { for (auto& observer : observers_) observer.DidHandleGestureEvent(event); } } blink::WebLayerTreeView* RenderViewImpl::InitializeLayerTreeView() { // TODO(!wjmaclean): We should be able to just remove this function, and // expect the RenderWidget version of the function to be called instead. // However, we have a diamond inheritance pattern going on: // WebWidgetClient // | | // RenderWidget WebViewClient // | | // RenderViewImpl // // and this seems to prefer calling the empty version in WebWidgetClient // or WebViewClient over the non-empty one in RenderWidget. return RenderWidget::InitializeLayerTreeView(); } void RenderViewImpl::CloseWidgetSoon() { RenderWidget::CloseWidgetSoon(); } void RenderViewImpl::ConvertViewportToWindow(blink::WebRect* rect) { RenderWidget::ConvertViewportToWindow(rect); } void RenderViewImpl::ConvertWindowToViewport(blink::WebFloatRect* rect) { RenderWidget::ConvertWindowToViewport(rect); } void RenderViewImpl::DidAutoResize(const blink::WebSize& newSize) { RenderWidget::DidAutoResize(newSize); } void RenderViewImpl::DidOverscroll( const blink::WebFloatSize& overscrollDelta, const blink::WebFloatSize& accumulatedOverscroll, const blink::WebFloatPoint& positionInViewport, const blink::WebFloatSize& velocityInViewport, const blink::WebOverscrollBehavior& behavior) { RenderWidget::DidOverscroll(overscrollDelta, accumulatedOverscroll, positionInViewport, velocityInViewport, behavior); } void RenderViewImpl::HasTouchEventHandlers(bool has_handlers) { RenderWidget::HasTouchEventHandlers(has_handlers); } blink::WebRect RenderViewImpl::RootWindowRect() { return RenderWidget::WindowRect(); } blink::WebScreenInfo RenderViewImpl::GetScreenInfo() { return RenderWidget::GetScreenInfo(); } void RenderViewImpl::SetToolTipText(const blink::WebString& text, blink::WebTextDirection hint) { RenderWidget::SetToolTipText(text, hint); } void RenderViewImpl::SetTouchAction(blink::WebTouchAction touchAction) { RenderWidget::SetTouchAction(touchAction); } blink::WebWidgetClient* RenderViewImpl::WidgetClient() { return static_cast(this); } // blink::WebFrameClient ----------------------------------------------------- void RenderViewImpl::Repaint(const gfx::Size& size) { OnRepaint(size); } 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; } void RenderViewImpl::ConvertViewportToWindowViaWidget(blink::WebRect* rect) { ConvertViewportToWindow(rect); } gfx::RectF RenderViewImpl::ElementBoundsInWindow( const blink::WebElement& element) { blink::WebRect bounding_box_in_window = element.BoundsInViewport(); ConvertViewportToWindowViaWidget(&bounding_box_in_window); return gfx::RectF(bounding_box_in_window); } bool RenderViewImpl::HasAddedInputHandler() const { return has_added_input_handler_; } 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; blink::WebSize tmp_size = webview()->ContentsPreferredMinimumSize(); blink::WebRect tmp_rect(0, 0, tmp_size.width, tmp_size.height); 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) { 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::OnSetZoomLevel( PageMsg_SetZoomLevel_Command command, double zoom_level) { switch (command) { case PageMsg_SetZoomLevel_Command::CLEAR_TEMPORARY: uses_temporary_zoom_level_ = false; break; case PageMsg_SetZoomLevel_Command::SET_TEMPORARY: uses_temporary_zoom_level_ = true; break; case PageMsg_SetZoomLevel_Command::USE_CURRENT_TEMPORARY_MODE: // Don't override a temporary zoom level without an explicit SET. if (uses_temporary_zoom_level_) return; break; default: NOTIMPLEMENTED(); } webview()->HidePopups(); SetZoomLevel(zoom_level); } void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) { webkit_preferences_ = prefs; ApplyWebPreferencesInternal(webkit_preferences_, webview(), compositor_deps_); } 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; // 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) { std::string old_accept_languages = renderer_preferences_.accept_languages; renderer_preferences_ = 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::OnMediaPlayerActionAt(const gfx::Point& location, const WebMediaPlayerAction& action) { if (webview()) webview()->PerformMediaPlayerAction(action, location); } 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::OnClose() { if (closing_) RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(GetRoutingID())); RenderWidget::OnClose(); } void RenderViewImpl::OnMoveOrResizeStarted() { if (webview()) webview()->HidePopups(); } void RenderViewImpl::ResizeWebWidget() { webview()->ResizeWithBrowserControls( GetSizeForWebWidget(), top_controls_height_, bottom_controls_height_, browser_controls_shrink_blink_size_); } void RenderViewImpl::OnResize(const ResizeParams& params) { TRACE_EVENT0("renderer", "RenderViewImpl::OnResize"); 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 (params.new_size != GetSize()) webview()->HidePopups(); if (send_preferred_size_changes_ && webview()->MainFrame()->IsWebLocalFrame()) { webview()->MainFrame()->ToWebLocalFrame()->SetCanHaveScrollbars( ShouldDisplayScrollbars(params.new_size.width(), params.new_size.height())); } if (display_mode_ != params.display_mode) { display_mode_ = params.display_mode; webview()->SetDisplayMode(display_mode_); } } bool auto_resize_mode_changed = auto_resize_mode_ != params.auto_resize_enabled; auto_resize_mode_ = params.auto_resize_enabled; min_size_for_auto_resize_ = params.min_size_for_auto_resize; max_size_for_auto_resize_ = params.max_size_for_auto_resize; if (auto_resize_mode_) { if (IsUseZoomForDSFEnabled()) { webview()->EnableAutoResizeMode( gfx::ScaleToCeiledSize(params.min_size_for_auto_resize, params.screen_info.device_scale_factor), gfx::ScaleToCeiledSize(params.max_size_for_auto_resize, params.screen_info.device_scale_factor)); } else { webview()->EnableAutoResizeMode(params.min_size_for_auto_resize, params.max_size_for_auto_resize); } } else if (auto_resize_mode_changed) { auto_resize_ack_callback_.Cancel(); need_resize_ack_for_auto_resize_ = false; webview()->DisableAutoResizeMode(); if (params.new_size.IsEmpty()) return; } browser_controls_shrink_blink_size_ = params.browser_controls_shrink_blink_size; top_controls_height_ = params.top_controls_height; bottom_controls_height_ = params.bottom_controls_height; if (device_scale_factor_for_testing_) { ResizeParams p(params); p.screen_info.device_scale_factor = *device_scale_factor_for_testing_; p.compositor_viewport_pixel_size = gfx::ScaleToCeiledSize(p.new_size, p.screen_info.device_scale_factor); RenderWidget::OnResize(p); } else { RenderWidget::OnResize(params); } if (!params.scroll_focused_node_into_view) return; if (WebLocalFrame* focused_frame = GetWebView()->FocusedFrame()) { focused_frame->LocalRoot() ->FrameWidget() ->ScrollFocusedEditableElementIntoView(); } } void RenderViewImpl::OnSetBackgroundOpaque(bool opaque) { if (!frame_widget_) return; if (opaque) { frame_widget_->ClearBaseBackgroundColorOverride(); frame_widget_->ClearBackgroundColorOverride(); } else { frame_widget_->SetBaseBackgroundColorOverride(SK_ColorTRANSPARENT); frame_widget_->SetBackgroundColorOverride(SK_ColorTRANSPARENT); } } void RenderViewImpl::OnSetActive(bool active) { if (webview()) webview()->SetIsActive(active); } blink::WebWidget* RenderViewImpl::GetWebWidget() const { if (frame_widget_) return frame_widget_; return RenderWidget::GetWebWidget(); } void RenderViewImpl::CloseForFrame() { DCHECK(frame_widget_); frame_widget_->Close(); frame_widget_ = nullptr; } void RenderViewImpl::Close() { // We need to grab a pointer to the doomed WebView before we destroy it. WebView* doomed = webview_; RenderWidget::Close(); webview_ = nullptr; g_view_map.Get().erase(doomed); g_routing_id_view_map.Get().erase(GetRoutingID()); RenderThread::Get()->Send(new ViewHostMsg_Close_ACK(GetRoutingID())); } 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. if (!main_render_frame_) screen_info_ = screen_info; } void RenderViewImpl::OnFreezePage() { if (webview()) { webview()->FreezePage(); } } GURL RenderViewImpl::GetURLForGraphicsContext3D() { DCHECK(webview()); WebFrame* main_frame = webview()->MainFrame(); if (main_frame && main_frame->IsWebLocalFrame()) return GURL(main_frame->ToWebLocalFrame()->GetDocument().Url()); else return GURL("chrome://gpu/RenderViewImpl::CreateGraphicsContext3D"); } void RenderViewImpl::OnSetFocus(bool enable) { // This message must always be received when the main frame is a // WebLocalFrame. CHECK(webview()->MainFrame()->IsWebLocalFrame()); SetFocus(enable); } void RenderViewImpl::SetFocus(bool enable) { RenderWidget::OnSetFocus(enable); // Notify all BrowserPlugins of the RenderView's focus state. if (BrowserPluginManager::Get()) BrowserPluginManager::Get()->UpdateFocusState(); } void RenderViewImpl::DidCompletePageScaleAnimation() { if (auto* focused_frame = GetWebView()->FocusedFrame()) { if (focused_frame->AutofillClient()) focused_frame->AutofillClient()->DidCompleteFocusChangeInFrame(); } } void RenderViewImpl::SetScreenMetricsEmulationParameters( bool enabled, const blink::WebDeviceEmulationParams& params) { if (webview() && compositor()) { if (enabled) webview()->EnableDeviceEmulation(params); else webview()->DisableDeviceEmulation(); } } 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)); } #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(); } bool RenderViewImpl::DidTapMultipleTargets( const WebSize& inner_viewport_offset, const WebRect& touch_rect, const WebVector& target_rects) { // Never show a disambiguation popup when accessibility is enabled, // as this interferes with "touch exploration". ui::AXMode accessibility_mode = GetMainRenderFrame()->accessibility_mode(); if (accessibility_mode == ui::kAXModeComplete) return false; // The touch_rect, target_rects and zoom_rect are in the outer viewport // reference frame. float to_pix = IsUseZoomForDSFEnabled() ? 1 : GetWebScreenInfo().device_scale_factor; gfx::Rect zoom_rect; float new_total_scale = DisambiguationPopupHelper::ComputeZoomAreaAndScaleFactor( touch_rect, target_rects, GetSize(), gfx::Rect(webview()->MainFrame()->VisibleContentRect()).size(), to_pix * webview()->PageScaleFactor(), &zoom_rect); if (!new_total_scale || zoom_rect.IsEmpty()) 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::ScaleToCeiledSize(zoom_rect.size(), new_total_scale); SkImageInfo info = SkImageInfo::MakeN32Premul(canvas_size.width(), canvas_size.height()); size_t shm_size = info.computeMinByteSize(); if (shm_size == 0) { DLOG(ERROR) << "Invalid size for SharedMemory"; return false; } auto shm = ChildThreadImpl::AllocateSharedMemory(shm_size); if (!shm || !shm->Map(shm_size)) { DLOG(ERROR) << "SharedMemory allocate/map failed"; return false; } { SkBitmap bitmap; bitmap.installPixels(info, shm->memory(), info.minRowBytes()); cc::SkiaPaintCanvas canvas(bitmap); // 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 * // GetWebScreenInfo().device_scale_factor canvas.scale(new_total_scale / to_pix, new_total_scale / to_pix); canvas.translate(-zoom_rect.x() * to_pix, -zoom_rect.y() * to_pix); DCHECK(webview_->IsAcceleratedCompositingActive()); webview_->UpdateAllLifecyclePhases(); webview_->PaintIgnoringCompositing(&canvas, zoom_rect); } gfx::Rect zoom_rect_in_screen = zoom_rect - gfx::Vector2d(inner_viewport_offset.width, inner_viewport_offset.height); gfx::Rect physical_window_zoom_rect = gfx::ToEnclosingRect( gfx::ScaleRect(gfx::RectF(zoom_rect_in_screen), to_pix * webview()->PageScaleFactor())); // A SharedMemoryHandle is sent to the browser process, which is // responsible for freeing the shared memory when no longer needed. Send(new ViewHostMsg_ShowDisambiguationPopup( GetRoutingID(), physical_window_zoom_rect, canvas_size, shm->TakeHandle())); handled = true; break; } case TAP_MULTIPLE_TARGETS_STRATEGY_NONE: // No-op. break; } return handled; } 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 (enable) { if (has_focus()) return; OnSetActive(true); OnSetFocus(true); } else { if (!has_focus()) return; OnSetFocus(false); OnSetActive(false); } } void RenderViewImpl::SetDeviceScaleFactorForTesting(float factor) { device_scale_factor_for_testing_ = factor; ResizeParams params; params.screen_info = screen_info_; params.screen_info.device_scale_factor = factor; params.new_size = size(); params.visible_viewport_size = visible_viewport_size_; params.compositor_viewport_pixel_size = gfx::ScaleToCeiledSize(size(), factor); params.browser_controls_shrink_blink_size = false; params.top_controls_height = 0.f; params.is_fullscreen_granted = is_fullscreen_granted(); params.display_mode = display_mode_; params.content_source_id = GetContentSourceId(); OnResize(params); } void RenderViewImpl::SetDeviceColorSpaceForTesting( const gfx::ColorSpace& color_space) { ResizeParams params; params.screen_info = screen_info_; params.screen_info.color_space = color_space; params.new_size = size(); params.visible_viewport_size = visible_viewport_size_; params.compositor_viewport_pixel_size = compositor_viewport_pixel_size_; params.browser_controls_shrink_blink_size = false; params.top_controls_height = 0.f; params.is_fullscreen_granted = is_fullscreen_granted(); params.display_mode = display_mode_; OnResize(params); } void RenderViewImpl::ForceResizeForTesting(const gfx::Size& new_size) { gfx::Rect new_window_rect(RootWindowRect().x, RootWindowRect().y, new_size.width(), new_size.height()); SetWindowRectSynchronously(new_window_rect); } 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) { ResizeParams resize_params; resize_params.auto_resize_enabled = true; resize_params.min_size_for_auto_resize = min_size; resize_params.max_size_for_auto_resize = max_size; OnResize(resize_params); } void RenderViewImpl::DisableAutoResizeForTesting(const gfx::Size& new_size) { if (!auto_resize_mode_) return; ResizeParams resize_params; resize_params.auto_resize_enabled = false; resize_params.screen_info = screen_info_; resize_params.new_size = new_size; resize_params.compositor_viewport_pixel_size = compositor_viewport_pixel_size_; resize_params.browser_controls_shrink_blink_size = browser_controls_shrink_blink_size_; resize_params.top_controls_height = top_controls_height_; resize_params.visible_viewport_size = visible_viewport_size_; resize_params.is_fullscreen_granted = is_fullscreen_granted(); resize_params.display_mode = display_mode_; resize_params.needs_resize_ack = false; OnResize(resize_params); } void RenderViewImpl::OnResolveTapDisambiguation(double timestamp_seconds, gfx::Point tap_viewport_offset, bool is_long_press) { webview()->ResolveTapDisambiguation(timestamp_seconds, tap_viewport_offset, is_long_press); } void RenderViewImpl::DidCommitCompositorFrame() { RenderWidget::DidCommitCompositorFrame(); for (auto& observer : observers_) observer.DidCommitCompositorFrame(); } void RenderViewImpl::OnDiscardInputEvent( const blink::WebInputEvent* input_event, const std::vector& coalesced_events, const ui::LatencyInfo& latency_info, InputEventDispatchType dispatch_type) { if (!input_event || dispatch_type == DISPATCH_TYPE_NON_BLOCKING) { return; } InputEventAck ack(InputEventAckSource::MAIN_THREAD, input_event->GetType(), INPUT_EVENT_ACK_STATE_NOT_CONSUMED); Send(new InputHostMsg_HandleInputEvent_ACK(routing_id_, ack)); } void RenderViewImpl::HandleInputEvent( const blink::WebCoalescedInputEvent& input_event, const ui::LatencyInfo& latency_info, HandledEventCallback callback) { if (is_swapped_out_) { std::move(callback).Run(INPUT_EVENT_ACK_STATE_NOT_CONSUMED, latency_info, nullptr, base::nullopt); return; } idle_user_detector_->ActivityDetected(); RenderWidget::HandleInputEvent(input_event, latency_info, std::move(callback)); } } // namespace content