// 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/process/kill.h" #include "base/process/process.h" #include "base/single_thread_task_runner.h" #include "base/stl_util.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/system/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/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/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_state.h" #include "content/public/common/referrer_type_converters.h" #include "content/public/common/three_d_api_types.h" #include "content/public/common/url_constants.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_thread.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/drop_data_builder.h" #include "content/renderer/history_serialization.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/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/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 "mojo/public/cpp/bindings/pending_receiver.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/common/input/web_input_event.h" #include "third_party/blink/public/platform/file_path_conversion.h" #include "third_party/blink/public/platform/modules/video_capture/web_video_capture_impl_manager.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_input_event_result.h" #include "third_party/blink/public/platform/web_network_state_notifier.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_text_autosizer_page_info.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/modules/mediastream/web_media_stream_device_observer.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_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_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_popup.h" #include "third_party/blink/public/web/web_plugin.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_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_features.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 "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 using blink::WebAXObject; using blink::WebConsoleMessage; using blink::WebData; using blink::WebDocument; using blink::WebDragOperation; using blink::WebElement; using blink::WebFormControlElement; using blink::WebFormElement; using blink::WebFrame; using blink::WebFrameContentDumper; using blink::WebGestureEvent; using blink::WebHistoryItem; using blink::WebHitTestResult; using blink::WebHTTPBody; using blink::WebInputElement; using blink::WebInputEvent; using blink::WebLocalFrame; using blink::WebMouseEvent; using blink::WebNavigationPolicy; using blink::WebNavigationType; using blink::WebNode; using blink::WebRect; using blink::WebRuntimeFeatures; using blink::WebScriptSource; using blink::WebSearchableFormData; using blink::WebSecurityOrigin; using blink::WebSecurityPolicy; using blink::WebSettings; using blink::WebSize; using blink::WebString; using blink::WebTouchEvent; using blink::WebURL; using blink::WebURLError; using blink::WebURLRequest; using blink::WebURLResponse; using blink::WebVector; using blink::WebView; using blink::WebWidget; using blink::WebWindowFeatures; 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 WindowOpenDisposition RenderViewImpl::NavigationPolicyToDisposition( WebNavigationPolicy policy) { switch (policy) { 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 ApplyCommandLineToSettings(WebSettings* settings) { const base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess(); settings->SetThreadedScrollingEnabled( !command_line.HasSwitch(switches::kDisableThreadedScrolling)); if (switches::IsTouchDragDropEnabled()) settings->SetTouchDragDropEnabled(true); WebSettings::SelectionStrategyType selection_strategy; if (command_line.GetSwitchValueASCII(switches::kTouchTextSelectionStrategy) == "direction") selection_strategy = WebSettings::SelectionStrategyType::kDirection; else selection_strategy = WebSettings::SelectionStrategyType::kCharacter; settings->SetSelectionStrategy(selection_strategy); std::string passive_listeners_default = command_line.GetSwitchValueASCII(switches::kPassiveListenersDefault); if (!passive_listeners_default.empty()) { WebSettings::PassiveEventListenerDefault passive_default = WebSettings::PassiveEventListenerDefault::kFalse; if (passive_listeners_default == "true") passive_default = WebSettings::PassiveEventListenerDefault::kTrue; else if (passive_listeners_default == "forcealltrue") passive_default = WebSettings::PassiveEventListenerDefault::kForceAllTrue; settings->SetPassiveEventListenerDefault(passive_default); } 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)) settings->SetNetworkQuietTimeout(network_quiet_timeout_seconds); } if (command_line.HasSwitch(switches::kBlinkSettings)) { 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; } } } // namespace RenderViewImpl::RenderViewImpl(CompositorDependencies* compositor_deps, const mojom::CreateViewParams& params) : routing_id_(params.view_id), renderer_wide_named_frame_lookup_( params.renderer_wide_named_frame_lookup), widgets_never_composited_(params.never_composited), compositor_deps_(compositor_deps), webkit_preferences_(params.web_preferences), session_storage_namespace_id_(params.session_storage_namespace_id) { DCHECK(!session_storage_namespace_id_.empty()) << "Session storage namespace must be populated."; // Please put all logic in RenderViewImpl::Initialize(). } void RenderViewImpl::Initialize( CompositorDependencies* compositor_deps, mojom::CreateViewParamsPtr params, RenderWidget::ShowCallback show_callback, scoped_refptr task_runner) { DCHECK(RenderThread::IsMainThread()); RenderThread::Get()->AddRoute(routing_id_, this); #if defined(OS_ANDROID) bool has_show_callback = !!show_callback; #endif auto opener_frame_token = params->opener_frame_token.value_or(base::UnguessableToken()); auto* opener_frame = WebFrame::FromFrameToken(opener_frame_token); // The newly created webview_ is owned by this instance. webview_ = WebView::Create(this, params->hidden, /*compositing_enabled=*/true, opener_frame ? opener_frame->View() : nullptr, std::move(params->blink_page_broadcast)); g_view_map.Get().insert(std::make_pair(GetWebView(), this)); g_routing_id_view_map.Get().insert(std::make_pair(GetRoutingID(), this)); bool local_main_frame = params->main_frame_routing_id != MSG_ROUTING_NONE; ApplyWebPreferences(webkit_preferences_, GetWebView()); ApplyCommandLineToSettings(GetWebView()->GetSettings()); if (local_main_frame) { main_render_frame_ = RenderFrameImpl::CreateMainFrame( this, compositor_deps, opener_frame, ¶ms, std::move(show_callback)); } else { RenderFrameProxy::CreateFrameProxy( params->proxy_routing_id, GetRoutingID(), opener_frame_token, MSG_ROUTING_NONE, params->replicated_frame_state, params->main_frame_frame_token, params->devtools_main_frame_token); } // TODO(davidben): Move this state from Blink into content. if (params->window_was_created_with_opener) GetWebView()->SetOpenedByDOM(); OnSetRendererPrefs(*params->renderer_preferences); GetContentClient()->renderer()->RenderViewCreated(this); nav_state_sync_timer_.SetTaskRunner(task_runner); // We pass this state to Page, but it's only used by the main frame in the // page. if (params->inside_portal) GetWebView()->SetInsidePortal(true); #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(destroying_); // Always deleted through Destroy(). g_routing_id_view_map.Get().erase(routing_id_); RenderThread::Get()->RemoveRoute(routing_id_); #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) { DCHECK(RenderThread::IsMainThread()); 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) { DCHECK(RenderThread::IsMainThread()); 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) { DCHECK(RenderThread::IsMainThread()); 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->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->SetShouldProtectAgainstIpcFlooding( !prefs.disable_ipc_flooding_protection); 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); settings->SetHideScrollbars(prefs.hide_scrollbars); // Enable gpu-accelerated 2d canvas if requested on the command line. WebRuntimeFeatures::EnableAccelerated2dCanvas( prefs.accelerated_2d_canvas_enabled); // Enable new canvas 2d api features WebRuntimeFeatures::EnableNewCanvas2DAPI(prefs.new_canvas_2d_api_enabled); // 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); // 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); settings->SetPrefersReducedMotion(prefs.prefers_reduced_motion); 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->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); // Spatnav depends on KeyboardFocusableScrollers. The WebUI team has // disabled KFS because they need more time to update their custom elements, // crbug.com/907284. Meanwhile, we pre-ship KFS to spatnav users. if (prefs.spatial_navigation_enabled) WebRuntimeFeatures::EnableKeyboardFocusableScrollers(true); settings->SetCaretBrowsingEnabled(prefs.caret_browsing_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); if (prefs.text_tracks_enabled) { settings->SetTextTrackKindUserPreference( WebSettings::TextTrackKindUserPreference::kCaptions); } else { settings->SetTextTrackKindUserPreference( WebSettings::TextTrackKindUserPreference::kDefault); } settings->SetTextTrackBackgroundColor( WebString::FromASCII(prefs.text_track_background_color)); settings->SetTextTrackTextColor( WebString::FromASCII(prefs.text_track_text_color)); settings->SetTextTrackTextSize( WebString::FromASCII(prefs.text_track_text_size)); settings->SetTextTrackTextShadow( WebString::FromASCII(prefs.text_track_text_shadow)); settings->SetTextTrackFontFamily( WebString::FromASCII(prefs.text_track_font_family)); settings->SetTextTrackFontStyle( WebString::FromASCII(prefs.text_track_font_style)); settings->SetTextTrackFontVariant( WebString::FromASCII(prefs.text_track_font_variant)); settings->SetTextTrackMarginPercentage(prefs.text_track_margin_percentage); settings->SetTextTrackWindowColor( WebString::FromASCII(prefs.text_track_window_color)); settings->SetTextTrackWindowPadding( WebString::FromASCII(prefs.text_track_window_padding)); settings->SetTextTrackWindowRadius( WebString::FromASCII(prefs.text_track_window_radius)); // 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->SetFullscreenSupported(prefs.fullscreen_supported); 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)); settings->SetDontSendKeyEventsToJavascript( prefs.dont_send_key_events_to_javascript); settings->SetWebAppScope(WebString::FromASCII(prefs.web_app_scope.spec())); #if defined(OS_ANDROID) settings->SetAllowCustomScrollbarInMainFrame(false); settings->SetAccessibilityFontScaleFactor(prefs.font_scale_factor); settings->SetDeviceScaleAdjustment(prefs.device_scale_adjustment); web_view->SetIgnoreViewportTagScaleLimits(prefs.force_enable_zoom); settings->SetAutoZoomFocusedNodeToLegibleScale(true); 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->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); WebRuntimeFeatures::EnableVideoFullscreenOrientationLock( prefs.video_fullscreen_orientation_lock_enabled); WebRuntimeFeatures::EnableVideoRotateToFullscreen( prefs.video_rotate_to_fullscreen_enabled); settings->SetEmbeddedMediaExperienceEnabled( prefs.embedded_media_experience_enabled); settings->SetImmersiveModeEnabled(prefs.immersive_mode_enabled); 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); WebRuntimeFeatures::EnableSurfaceEmbeddingFeatures( !prefs.disable_features_depending_on_viz); WebRuntimeFeatures::EnableAcceleratedSmallCanvases( !prefs.disable_accelerated_small_canvases); if (prefs.reenable_web_components_v0) { WebRuntimeFeatures::EnableShadowDOMV0(true); WebRuntimeFeatures::EnableCustomElementsV0(true); WebRuntimeFeatures::EnableHTMLImports(true); } #endif // defined(OS_ANDROID) settings->SetForceDarkModeEnabled(prefs.force_dark_mode_enabled); settings->SetAccessibilityAlwaysShowFocus(prefs.always_show_focus); switch (prefs.autoplay_policy) { case AutoplayPolicy::kNoUserGestureRequired: settings->SetAutoplayPolicy( WebSettings::AutoplayPolicy::kNoUserGestureRequired); break; case AutoplayPolicy::kUserGestureRequired: settings->SetAutoplayPolicy( WebSettings::AutoplayPolicy::kUserGestureRequired); 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->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); 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->SetLazyLoadEnabled(prefs.lazy_load_enabled); settings->SetPreferredColorScheme(prefs.preferred_color_scheme); 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(); } for (const auto& fully_load_k_pair : prefs.lazy_image_first_k_fully_load) { switch (fully_load_k_pair.first) { case net::EFFECTIVE_CONNECTION_TYPE_OFFLINE: continue; case net::EFFECTIVE_CONNECTION_TYPE_UNKNOWN: settings->SetLazyImageFirstKFullyLoadUnknown(fully_load_k_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_SLOW_2G: settings->SetLazyImageFirstKFullyLoadSlow2G(fully_load_k_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_2G: settings->SetLazyImageFirstKFullyLoad2G(fully_load_k_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_3G: settings->SetLazyImageFirstKFullyLoad3G(fully_load_k_pair.second); continue; case net::EFFECTIVE_CONNECTION_TYPE_4G: settings->SetLazyImageFirstKFullyLoad4G(fully_load_k_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 WebRuntimeFeatures::EnableTranslateService(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); // Frame and widget routing ids come together. DCHECK_EQ(params->main_frame_routing_id == MSG_ROUTING_NONE, params->main_frame_widget_routing_id == MSG_ROUTING_NONE); // 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); 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(compositor_deps, std::move(params), std::move(show_callback), std::move(task_runner)); return render_view; } void RenderViewImpl::Destroy() { destroying_ = true; webview_->Close(); // The webview_ is already destroyed by the time we get here, remove any // references to it. g_view_map.Get().erase(webview_); webview_ = nullptr; delete this; } // 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); } // RenderWidgetOwnerDelegate ----------------------------------------- void RenderViewImpl::SetActiveForWidget(bool active) { if (GetWebView()) GetWebView()->SetIsActive(active); } bool RenderViewImpl::SupportsMultipleWindowsForWidget() { return webkit_preferences_.supports_multiple_windows; } bool RenderViewImpl::ShouldAckSyntheticInputImmediately() { // TODO(bokan): The RequestPresentation API appears not to function in VR. As // a short term workaround for https://crbug.com/940063, ACK input // immediately rather than using RequestPresentation. if (webkit_preferences_.immersive_mode_enabled) return true; return false; } void RenderViewImpl::ApplyAutoResizeLimitsForWidget(const gfx::Size& min_size, const gfx::Size& max_size) { GetWebView()->EnableAutoResizeMode(min_size, max_size); } void RenderViewImpl::DisableAutoResizeForWidget() { GetWebView()->DisableAutoResizeMode(); } void RenderViewImpl::ScrollFocusedNodeIntoViewForWidget() { if (WebLocalFrame* focused_frame = GetWebView()->FocusedFrame()) { blink::WebFrameWidget* 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 |delegate_| in // RenderWidget instead? CHECK(GetWebView()->MainFrame()->IsWebLocalFrame()); } void RenderViewImpl::DidCommitCompositorFrameForWidget() { for (auto& observer : observers_) observer.DidCommitCompositorFrame(); if (GetWebView()) GetWebView()->UpdatePreferredSize(); } void RenderViewImpl::DidCompletePageScaleAnimationForWidget() { if (auto* focused_frame = GetWebView()->FocusedFrame()) { if (focused_frame->AutofillClient()) focused_frame->AutofillClient()->DidCompleteFocusChangeInFrame(); } } void RenderViewImpl::ResizeWebWidgetForWidget( const gfx::Size& widget_size, const gfx::Size& visible_viewport_size, cc::BrowserControlsParams browser_controls_params) { GetWebView()->ResizeWithBrowserControls(widget_size, visible_viewport_size, browser_controls_params); } void RenderViewImpl::SetScreenMetricsEmulationParametersForWidget( bool enabled, const blink::WebDeviceEmulationParams& params) { if (enabled) GetWebView()->EnableDeviceEmulation(params); else GetWebView()->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::OnAudioStateChanged(bool is_audio_playing) { GetWebView()->AudioStateChanged(is_audio_playing); } /////////////////////////////////////////////////////////////////////////////// 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(); } // IPC::Listener ------------------------------------------------------------- bool RenderViewImpl::OnMessageReceived(const IPC::Message& message) { WebFrame* main_frame = GetWebView() ? GetWebView()->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_UpdateTargetURL_ACK, OnUpdateTargetURLAck) IPC_MESSAGE_HANDLER(ViewMsg_UpdateWebPreferences, OnUpdateWebPreferences) IPC_MESSAGE_HANDLER(ViewMsg_MoveOrResizeStarted, OnMoveOrResizeStarted) // Page messages. IPC_MESSAGE_HANDLER(PageMsg_SetHistoryOffsetAndLength, OnSetHistoryOffsetAndLength) IPC_MESSAGE_HANDLER(PageMsg_AudioStateChanged, OnAudioStateChanged) IPC_MESSAGE_HANDLER(PageMsg_UpdateTextAutosizerPageInfoForRemoteMainFrames, OnTextAutosizerPageInfoChanged) IPC_MESSAGE_HANDLER(PageMsg_SetRendererPrefs, OnSetRendererPrefs) IPC_MESSAGE_HANDLER(PageMsg_SetInsidePortal, OnSetInsidePortal) // Adding a new message? Add platform independent ones first, then put the // platform specific ones at the end. 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, network::mojom::WebSandboxFlags sandbox_flags, const blink::FeaturePolicy::FeatureState& opener_feature_state, const blink::SessionStorageNamespaceId& session_storage_namespace_id) { RenderFrameImpl* creator_frame = RenderFrameImpl::FromWebFrame(creator); mojom::CreateNewWindowParamsPtr params = mojom::CreateNewWindowParams::New(); // The user activation check is done at the browser process through // |frame_host->CreateNewWindow()| call below. But the extensions case // handled through the following |if| is an exception. params->allow_popup = false; if (GetContentClient()->renderer()->AllowPopup()) params->allow_popup = true; params->window_container_type = WindowFeaturesToContainerType(features); params->session_storage_namespace_id = session_storage_namespace_id; // TODO(dmurph): Don't copy session storage when features.noopener is true: // https://html.spec.whatwg.org/multipage/browsers.html#copy-session-storage // https://crbug.com/771959 params->clone_from_session_storage_namespace_id = 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 = features.noopener; params->disposition = NavigationPolicyToDisposition(policy); if (!request.IsNull()) { params->target_url = request.Url(); params->referrer = blink::mojom::Referrer::New( blink::WebStringToGURL(request.ReferrerString()), request.GetReferrerPolicy()); } 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; 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 web testing... perhaps this should // be checked directly in the browser side. if (status == mojom::CreateNewWindowStatus::kReuse) return GetWebView(); 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. bool was_consumed = creator->ConsumeTransientUserActivation( 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_composited = false; // 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_token = creator->GetFrameToken(); DCHECK_EQ(GetRoutingID(), creator_frame->render_view()->GetRoutingID()); view_params->window_was_created_with_opener = true; view_params->renderer_preferences = renderer_preferences_.Clone(); view_params->web_preferences = webkit_preferences_; view_params->view_id = reply->route_id; view_params->main_frame_frame_token = reply->main_frame_frame_token; view_params->main_frame_routing_id = reply->main_frame_route_id; view_params->frame_widget_host = std::move(reply->frame_widget_host); view_params->frame_widget = std::move(reply->frame_widget); view_params->widget_host = std::move(reply->widget_host); view_params->widget = std::move(reply->widget), view_params->blink_page_broadcast = std::move(reply->page_broadcast); view_params->main_frame_interface_bundle = mojom::DocumentScopedInterfaceBundle::New( std::move(reply->main_frame_interface_bundle->interface_provider), std::move( reply->main_frame_interface_bundle->browser_interface_broker)); 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->replicated_frame_state.frame_policy.sandbox_flags = sandbox_flags; view_params->replicated_frame_state.opener_feature_state = opener_feature_state; view_params->replicated_frame_state.name = frame_name_utf8; view_params->devtools_main_frame_token = reply->devtools_main_frame_token; view_params->hidden = is_background_tab; view_params->never_composited = never_composited; view_params->visual_properties = reply->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), was_consumed); RenderViewImpl* view = RenderViewImpl::Create( compositor_deps_, std::move(view_params), std::move(show_callback), creator->GetTaskRunner(blink::TaskType::kInternalDefault)); if (reply->wait_for_debugger) { blink::WebFrameWidget* frame_widget = view->GetMainRenderFrame()->GetLocalRootWebFrameWidget(); frame_widget->WaitForDebuggerWhenShown(); } return view->GetWebView(); } blink::WebPagePopup* RenderViewImpl::CreatePopup( blink::WebLocalFrame* creator) { mojo::PendingAssociatedRemote blink_widget; mojo::PendingAssociatedReceiver blink_widget_receiver = blink_widget.InitWithNewEndpointAndPassReceiver(); mojo::PendingAssociatedRemote blink_widget_host; mojo::PendingAssociatedReceiver blink_widget_host_receiver = blink_widget_host.InitWithNewEndpointAndPassReceiver(); // Do a synchronous IPC to obtain a routing ID. int32_t widget_routing_id = MSG_ROUTING_NONE; bool success = RenderFrameImpl::FromWebFrame(creator)->GetFrameHost()->CreateNewWidget( std::move(blink_widget_host_receiver), std::move(blink_widget), &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()); RenderWidget* opener_render_widget = RenderFrameImpl::FromWebFrame(creator)->GetLocalRootRenderWidget(); RenderWidget* popup_widget = RenderWidget::CreateForPopup( widget_routing_id, opener_render_widget->compositor_deps(), /*hidden=*/false, /*never_composited=*/false); // The returned WebPagePopup is self-referencing, so the pointer here is not // an owning pointer. It is de-referenced by calling Close(). blink::WebPagePopup* popup_web_widget = blink::WebPagePopup::Create(popup_widget, std::move(blink_widget_host), std::move(blink_widget_receiver)); // 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), opener_render_widget, popup_web_widget, opener_render_widget->GetOriginalScreenInfo()); return popup_web_widget; } void RenderViewImpl::DoDeferredClose() { // The main widget is currently not active. The active main frame widget is // in a different process. Have the browser route the close request to the // active widget instead, so that the correct unload handlers are run. Send(new ViewHostMsg_RouteCloseEvent(GetRoutingID())); } void RenderViewImpl::CloseWindowSoon() { DCHECK(RenderThread::IsMainThread()); if (!main_render_frame_) { // Ask the RenderViewHost with a local main frame to initiate close. We // could be called from deep in Javascript. If we ask the RenderViewHost to // close now, the window could be closed before the JS finishes executing, // thanks to nested message loops running and handling the resulting Close // IPC. So instead, post a message back to the message loop, which won't run // until the JS is complete, and then the Close request can be sent. GetCleanupTaskRunner()->PostTask( FROM_HERE, base::BindOnce(&RenderViewImpl::DoDeferredClose, weak_ptr_factory_.GetWeakPtr())); return; } // If the main frame is in this RenderView's frame tree, then the Close // request gets routed through the RenderWidget since non-frame RenderWidgets // share the code path. main_render_frame_->GetLocalRootRenderWidget()->CloseWidgetSoon(); } base::StringPiece RenderViewImpl::GetSessionStorageNamespaceId() { CHECK(!session_storage_namespace_id_.empty()); return session_storage_namespace_id_; } void RenderViewImpl::PrintPage(WebLocalFrame* frame) { RenderFrameImpl* render_frame = RenderFrameImpl::FromWebFrame(frame); RenderWidget* render_widget = render_frame->GetLocalRootRenderWidget(); render_frame->ScriptedPrint( render_widget->GetWebWidget()->HandlingInputEvent()); } bool RenderViewImpl::SetZoomLevel(double zoom_level) { if (zoom_level == page_zoom_level_) return false; // 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; GetWebView()->SetZoomLevel(zoom_level); for (auto& observer : observers_) observer.OnZoomLevelChanged(); return true; } void RenderViewImpl::SetPreferCompositingToLCDTextEnabled(bool prefer) { GetWebView()->GetSettings()->SetPreferCompositingToLCDTextEnabled(prefer); } void RenderViewImpl::SetDeviceScaleFactor(bool use_zoom_for_dsf, float device_scale_factor) { if (use_zoom_for_dsf) GetWebView()->SetZoomFactorForDeviceScaleFactor(device_scale_factor); else GetWebView()->SetDeviceScaleFactor(device_scale_factor); } void RenderViewImpl::SetVisibleViewportSizeForChildLocalRoot( const gfx::Size& visible_viewport_size) { // The main frame is updated on a different path. If we're in the same frame // tree as it, there's nothing to do for child local roots. if (main_render_frame_) return; // RenderWidgets in a RenderView's frame tree without a local main frame // set the size of the WebView to be the |visible_viewport_size|, in order // to limit compositing in (out of process) child frames to what is visible. // // Note that child frames in the same process/RenderView frame tree as the // main frame do not do this in order to not clobber the source of truth in // the main frame. GetWebView()->Resize(visible_viewport_size); } void RenderViewImpl::PropagatePageZoomToNewlyAttachedFrame( bool use_zoom_for_dsf, float device_scale_factor) { if (use_zoom_for_dsf) GetWebView()->SetZoomFactorForDeviceScaleFactor(device_scale_factor); else GetWebView()->SetZoomLevel(page_zoom_level_); } void RenderViewImpl::SetValidationMessageDirection( base::string16* wrapped_main_text, base::i18n::TextDirection main_text_hint, base::string16* wrapped_sub_text, base::i18n::TextDirection sub_text_hint) { if (main_text_hint == base::i18n::LEFT_TO_RIGHT) { *wrapped_main_text = base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_main_text); } else if (main_text_hint == base::i18n::RIGHT_TO_LEFT && !base::i18n::IsRTL()) { base::i18n::WrapStringWithRTLFormatting(wrapped_main_text); } if (!wrapped_sub_text->empty()) { if (sub_text_hint == base::i18n::RIGHT_TO_LEFT) { *wrapped_sub_text = base::i18n::GetDisplayStringInLTRDirectionality(*wrapped_sub_text); } else if (sub_text_hint == base::i18n::LEFT_TO_RIGHT) { 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 (GetWebView()->GetVisibilityState() != PageVisibilityState::kVisible) 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, base::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)); } void RenderViewImpl::DidUpdateMainFrameLayout() { for (auto& observer : observers_) observer.DidUpdateMainFrameLayout(); } void RenderViewImpl::RegisterRendererPreferenceWatcher( mojo::PendingRemote watcher) { renderer_preference_watchers_.Add(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; } // TODO(https://crbug.com/937569): Remove this in Chrome 88. bool RenderViewImpl::AllowPopupsDuringPageUnload() { // The switch version is for enabling via enterprise policy. The feature // version is for enabling via about:flags and Finch policy. const base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess(); return command_line.HasSwitch(switches::kAllowPopupsDuringPageUnload) || base::FeatureList::IsEnabled(features::kAllowPopupsDuringPageUnload); } void RenderViewImpl::OnPageVisibilityChanged(PageVisibilityState visibility) { #if defined(OS_ANDROID) SuspendVideoCaptureDevices(visibility != PageVisibilityState::kVisible); #endif for (auto& observer : observers_) observer.OnPageVisibilityChanged(visibility); } bool RenderViewImpl::CanUpdateLayout() { return true; } const std::string& RenderViewImpl::GetAcceptLanguages() { return renderer_preferences_.accept_languages; } blink::WebString RenderViewImpl::AcceptLanguages() { return WebString::FromUTF8(renderer_preferences_.accept_languages); } // RenderView implementation --------------------------------------------------- bool RenderViewImpl::Send(IPC::Message* message) { // No messages sent through RenderView come without a routing id, yay. Let's // keep that up. CHECK_NE(message->routing_id(), MSG_ROUTING_NONE); return RenderThread::Get()->Send(message); } RenderFrameImpl* RenderViewImpl::GetMainRenderFrame() { return main_render_frame_; } int RenderViewImpl::GetRoutingID() { return routing_id_; } float RenderViewImpl::GetZoomLevel() { 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_; } bool RenderViewImpl::GetContentStateImmediately() { return send_content_state_immediately_; } void RenderViewImpl::OnUpdateWebPreferences(const WebPreferences& prefs) { webkit_preferences_ = prefs; ApplyWebPreferences(webkit_preferences_, GetWebView()); ApplyCommandLineToSettings(GetWebView()->GetSettings()); } void RenderViewImpl::OnSetRendererPrefs( const blink::mojom::RendererPreferences& renderer_prefs) { std::string old_accept_languages = renderer_preferences_.accept_languages; renderer_preferences_ = renderer_prefs; for (auto& watcher : renderer_preference_watchers_) watcher->NotifyUpdate(renderer_prefs.Clone()); UpdateFontRenderingFromRendererPrefs(); UpdateThemePrefs(); blink::SetCaretBlinkInterval( renderer_prefs.caret_blink_interval.has_value() ? renderer_prefs.caret_blink_interval.value() : base::TimeDelta::FromMilliseconds( blink::mojom::kDefaultCaretBlinkIntervalInMilliseconds)); #if defined(USE_AURA) if (renderer_prefs.use_custom_colors) { blink::SetFocusRingColor(renderer_prefs.focus_ring_color); blink::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); if (GetWebView() && GetWebView()->MainFrameWidget()) GetWebView()->MainFrameWidget()->ThemeChanged(); } #endif if (features::IsFormControlsRefreshEnabled() && renderer_prefs.use_custom_colors) { blink::SetFocusRingColor(renderer_prefs.focus_ring_color); } if (GetWebView() && old_accept_languages != renderer_preferences_.accept_languages) { GetWebView()->AcceptLanguagesChanged(); } } void RenderViewImpl::OnMoveOrResizeStarted() { if (GetWebView()) GetWebView()->CancelPagePopup(); } void RenderViewImpl::SetPageFrozen(bool frozen) { if (GetWebView()) GetWebView()->SetPageFrozen(frozen); } // This function receives TextAutosizerPageInfo from the main frame's renderer // and makes it available to other renderers with frames on the same page. void RenderViewImpl::OnTextAutosizerPageInfoChanged( const blink::WebTextAutosizerPageInfo& page_info) { // Only propagate the remote page info if our main frame is remote. It's // possible a main frame renderer may receive this message, as SendPageMessage // in RenderFrameHostManager may send to a speculative RenderFrameHost that // corresponds to a local main frame. Since a local main frame will generate // these values for itself, we shouldn't override them with values from // another renderer. if (!GetWebView()->MainFrame()->IsWebLocalFrame()) GetWebView()->SetTextAutosizerPageInfo(page_info); } void RenderViewImpl::OnSetInsidePortal(bool inside_portal) { GetWebView()->SetInsidePortal(inside_portal); } void RenderViewImpl::DidAutoResize(const blink::WebSize& newSize) { // Auto resize should only happen on local main frames. DCHECK(main_render_frame_); main_render_frame_->GetLocalRootRenderWidget()->DidAutoResize(newSize); } #if defined(OS_ANDROID) void RenderViewImpl::SuspendVideoCaptureDevices(bool suspend) { if (!main_render_frame_) return; blink::WebMediaStreamDeviceObserver* media_stream_device_observer = main_render_frame_->MediaStreamDeviceObserver(); if (!media_stream_device_observer) return; blink::MediaStreamDevices video_devices = media_stream_device_observer->GetNonScreenCaptureDevices(); RenderThreadImpl::current()->video_capture_impl_manager()->SuspendDevices( video_devices, suspend); } #endif // defined(OS_ANDROID) unsigned RenderViewImpl::GetLocalSessionHistoryLengthForTesting() const { return history_list_length_; } // static scoped_refptr RenderViewImpl::GetCleanupTaskRunner() { return RenderThreadImpl::current_blink_platform_impl() ->main_thread_scheduler() ->CleanupTaskRunner(); } } // namespace content