| // 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. |
| |
| #ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_ |
| #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_ |
| |
| #include <stdint.h> |
| |
| #include <map> |
| #include <set> |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/containers/scoped_ptr_hash_map.h" |
| #include "base/gtest_prod_util.h" |
| #include "base/macros.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/observer_list.h" |
| #include "base/process/process.h" |
| #include "base/values.h" |
| #include "build/build_config.h" |
| #include "content/browser/frame_host/frame_tree.h" |
| #include "content/browser/frame_host/navigation_controller_delegate.h" |
| #include "content/browser/frame_host/navigation_controller_impl.h" |
| #include "content/browser/frame_host/navigator_delegate.h" |
| #include "content/browser/frame_host/render_frame_host_delegate.h" |
| #include "content/browser/frame_host/render_frame_host_manager.h" |
| #include "content/browser/media/audio_stream_monitor.h" |
| #include "content/browser/renderer_host/render_view_host_delegate.h" |
| #include "content/browser/renderer_host/render_view_host_impl.h" |
| #include "content/browser/renderer_host/render_widget_host_delegate.h" |
| #include "content/common/accessibility_mode_enums.h" |
| #include "content/common/content_export.h" |
| #include "content/public/browser/color_chooser.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/notification_registrar.h" |
| #include "content/public/browser/web_contents.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "content/public/common/page_importance_signals.h" |
| #include "content/public/common/renderer_preferences.h" |
| #include "content/public/common/resource_type.h" |
| #include "content/public/common/three_d_api_types.h" |
| #include "net/base/load_states.h" |
| #include "net/http/http_response_headers.h" |
| #include "third_party/WebKit/public/web/WebDragOperation.h" |
| #include "ui/base/page_transition_types.h" |
| #include "ui/gfx/geometry/rect_f.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| struct ViewHostMsg_DateTimeDialogValue_Params; |
| |
| namespace content { |
| class BrowserPluginEmbedder; |
| class BrowserPluginGuest; |
| class DateTimeChooserAndroid; |
| class DownloadItem; |
| class GeolocationServiceContext; |
| class InterstitialPageImpl; |
| class JavaScriptDialogManager; |
| class ManifestManagerHost; |
| class MediaWebContentsObserver; |
| class PluginContentOriginWhitelist; |
| class PowerSaveBlocker; |
| class RenderViewHost; |
| class RenderViewHostDelegateView; |
| class RenderWidgetHostImpl; |
| class RenderWidgetHostInputEventRouter; |
| class SavePackage; |
| class ScreenOrientationDispatcherHost; |
| class SiteInstance; |
| class TestWebContents; |
| class WakeLockServiceContext; |
| class WebContentsAudioMuter; |
| class WebContentsDelegate; |
| class WebContentsImpl; |
| class WebContentsView; |
| class WebContentsViewDelegate; |
| struct AXEventNotificationDetails; |
| struct ColorSuggestion; |
| struct FaviconURL; |
| struct LoadNotificationDetails; |
| struct ResourceRedirectDetails; |
| struct ResourceRequestDetails; |
| |
| #if defined(OS_ANDROID) && !defined(USE_AURA) |
| class WebContentsAndroid; |
| #endif |
| |
| // Factory function for the implementations that content knows about. Takes |
| // ownership of |delegate|. |
| WebContentsView* CreateWebContentsView( |
| WebContentsImpl* web_contents, |
| WebContentsViewDelegate* delegate, |
| RenderViewHostDelegateView** render_view_host_delegate_view); |
| |
| class CONTENT_EXPORT WebContentsImpl |
| : public NON_EXPORTED_BASE(WebContents), |
| public NON_EXPORTED_BASE(RenderFrameHostDelegate), |
| public RenderViewHostDelegate, |
| public RenderWidgetHostDelegate, |
| public RenderFrameHostManager::Delegate, |
| public NotificationObserver, |
| public NON_EXPORTED_BASE(NavigationControllerDelegate), |
| public NON_EXPORTED_BASE(NavigatorDelegate) { |
| public: |
| class FriendZone; |
| |
| ~WebContentsImpl() override; |
| |
| static WebContentsImpl* CreateWithOpener( |
| const WebContents::CreateParams& params, |
| FrameTreeNode* opener); |
| |
| static std::vector<WebContentsImpl*> GetAllWebContents(); |
| |
| static WebContentsImpl* FromFrameTreeNode(FrameTreeNode* frame_tree_node); |
| static WebContents* FromRenderFrameHostID(int render_process_host_id, |
| int render_frame_host_id); |
| |
| // Creates a swapped out RenderView. This is used by the browser plugin to |
| // create a swapped out RenderView in the embedder render process for the |
| // guest, to expose the guest's window object to the embedder. |
| // This returns the routing ID of the newly created swapped out RenderView. |
| int CreateSwappedOutRenderView(SiteInstance* instance); |
| |
| // Complex initialization here. Specifically needed to avoid having |
| // members call back into our virtual functions in the constructor. |
| virtual void Init(const WebContents::CreateParams& params); |
| |
| // Returns the SavePackage which manages the page saving job. May be NULL. |
| SavePackage* save_package() const { return save_package_.get(); } |
| |
| #if defined(OS_ANDROID) && !defined(USE_AURA) |
| // In Android WebView, the RenderView needs created even there is no |
| // navigation entry, this allows Android WebViews to use |
| // javascript: URLs that load into the DOMWindow before the first page |
| // load. This is not safe to do in any context that a web page could get a |
| // reference to the DOMWindow before the first page load. |
| bool CreateRenderViewForInitialEmptyDocument(); |
| #endif |
| |
| // Expose the render manager for testing. |
| // TODO(creis): Remove this now that we can get to it via FrameTreeNode. |
| RenderFrameHostManager* GetRenderManagerForTesting(); |
| |
| // Returns the outer WebContents of this WebContents if any. |
| // Note that without --site-per-process, this will return the WebContents |
| // of the BrowserPluginEmbedder, if |this| is a guest. |
| WebContentsImpl* GetOuterWebContents(); |
| |
| // Returns guest browser plugin object, or NULL if this WebContents is not a |
| // guest. |
| BrowserPluginGuest* GetBrowserPluginGuest() const; |
| |
| // Sets a BrowserPluginGuest object for this WebContents. If this WebContents |
| // has a BrowserPluginGuest then that implies that it is being hosted by |
| // a BrowserPlugin object in an embedder renderer process. |
| void SetBrowserPluginGuest(BrowserPluginGuest* guest); |
| |
| // Returns embedder browser plugin object, or NULL if this WebContents is not |
| // an embedder. |
| BrowserPluginEmbedder* GetBrowserPluginEmbedder() const; |
| |
| // Creates a BrowserPluginEmbedder object for this WebContents if one doesn't |
| // already exist. |
| void CreateBrowserPluginEmbedderIfNecessary(); |
| |
| // Cancels modal dialogs in this WebContents, as well as in any browser |
| // plugins it is hosting. |
| void CancelActiveAndPendingDialogs(); |
| |
| // Gets the current fullscreen render widget's routing ID. Returns |
| // MSG_ROUTING_NONE when there is no fullscreen render widget. |
| int GetFullscreenWidgetRoutingID() const; |
| |
| // Invoked when visible SSL state (as defined by SSLStatus) changes. |
| void DidChangeVisibleSSLState(); |
| |
| // Informs the render view host and the BrowserPluginEmbedder, if present, of |
| // a Drag Source End. |
| void DragSourceEndedAt(int client_x, int client_y, int screen_x, |
| int screen_y, blink::WebDragOperation operation); |
| |
| // A response has been received for a resource request. |
| void DidGetResourceResponseStart( |
| const ResourceRequestDetails& details); |
| |
| // A redirect was received while requesting a resource. |
| void DidGetRedirectForResourceRequest( |
| RenderFrameHost* render_frame_host, |
| const ResourceRedirectDetails& details); |
| |
| // Notify observers that the web contents has been focused. |
| void NotifyWebContentsFocused(); |
| |
| WebContentsView* GetView() const; |
| |
| ScreenOrientationDispatcherHost* screen_orientation_dispatcher_host() { |
| return screen_orientation_dispatcher_host_.get(); |
| } |
| |
| bool should_normally_be_visible() { return should_normally_be_visible_; } |
| |
| // Indicate if the window has been occluded, and pass this to the views, only |
| // if there is no active capture going on (otherwise it is dropped on the |
| // floor). |
| void WasOccluded(); |
| void WasUnOccluded(); |
| |
| // Broadcasts the mode change to all frames. |
| void SetAccessibilityMode(AccessibilityMode mode); |
| |
| // Adds the given accessibility mode to the current accessibility mode |
| // bitmap. |
| void AddAccessibilityMode(AccessibilityMode mode); |
| |
| // Removes the given accessibility mode from the current accessibility |
| // mode bitmap, managing the bits that are shared with other modes such |
| // that a bit will only be turned off when all modes that depend on it |
| // have been removed. |
| void RemoveAccessibilityMode(AccessibilityMode mode); |
| |
| // Request a one-time snapshot of the accessibility tree without changing |
| // the accessibility mode. |
| using AXTreeSnapshotCallback = |
| base::Callback<void( |
| const ui::AXTreeUpdate&)>; |
| void RequestAXTreeSnapshot(AXTreeSnapshotCallback callback); |
| |
| // WebContents ------------------------------------------------------ |
| WebContentsDelegate* GetDelegate() override; |
| void SetDelegate(WebContentsDelegate* delegate) override; |
| NavigationControllerImpl& GetController() override; |
| const NavigationControllerImpl& GetController() const override; |
| BrowserContext* GetBrowserContext() const override; |
| const GURL& GetURL() const override; |
| const GURL& GetVisibleURL() const override; |
| const GURL& GetLastCommittedURL() const override; |
| RenderProcessHost* GetRenderProcessHost() const override; |
| RenderFrameHostImpl* GetMainFrame() override; |
| RenderFrameHostImpl* GetFocusedFrame() override; |
| RenderFrameHostImpl* FindFrameByFrameTreeNodeId( |
| int frame_tree_node_id) override; |
| void ForEachFrame( |
| const base::Callback<void(RenderFrameHost*)>& on_frame) override; |
| int SendToAllFrames(IPC::Message* message) override; |
| RenderViewHostImpl* GetRenderViewHost() const override; |
| int GetRoutingID() const override; |
| RenderWidgetHostView* GetRenderWidgetHostView() const override; |
| void ClosePage() override; |
| RenderWidgetHostView* GetFullscreenRenderWidgetHostView() const override; |
| SkColor GetThemeColor() const override; |
| WebUI* CreateSubframeWebUI(const GURL& url, |
| const std::string& frame_name) override; |
| WebUI* GetWebUI() const override; |
| WebUI* GetCommittedWebUI() const override; |
| void SetUserAgentOverride(const std::string& override) override; |
| const std::string& GetUserAgentOverride() const override; |
| void EnableTreeOnlyAccessibilityMode() override; |
| bool IsTreeOnlyAccessibilityModeForTesting() const override; |
| bool IsFullAccessibilityModeForTesting() const override; |
| #if defined(OS_WIN) |
| void SetParentNativeViewAccessible( |
| gfx::NativeViewAccessible accessible_parent) override; |
| #endif |
| const PageImportanceSignals& GetPageImportanceSignals() const override; |
| const base::string16& GetTitle() const override; |
| int32_t GetMaxPageID() override; |
| int32_t GetMaxPageIDForSiteInstance(SiteInstance* site_instance) override; |
| SiteInstanceImpl* GetSiteInstance() const override; |
| SiteInstanceImpl* GetPendingSiteInstance() const override; |
| bool IsLoading() const override; |
| bool IsLoadingToDifferentDocument() const override; |
| bool IsWaitingForResponse() const override; |
| const net::LoadStateWithParam& GetLoadState() const override; |
| const base::string16& GetLoadStateHost() const override; |
| uint64_t GetUploadSize() const override; |
| uint64_t GetUploadPosition() const override; |
| const std::string& GetEncoding() const override; |
| bool DisplayedInsecureContent() const override; |
| void IncrementCapturerCount(const gfx::Size& capture_size) override; |
| void DecrementCapturerCount() override; |
| int GetCapturerCount() const override; |
| bool IsAudioMuted() const override; |
| void SetAudioMuted(bool mute) override; |
| bool IsCrashed() const override; |
| void SetIsCrashed(base::TerminationStatus status, int error_code) override; |
| base::TerminationStatus GetCrashedStatus() const override; |
| bool IsBeingDestroyed() const override; |
| void NotifyNavigationStateChanged(InvalidateTypes changed_flags) override; |
| base::TimeTicks GetLastActiveTime() const override; |
| void SetLastActiveTime(base::TimeTicks last_active_time) override; |
| void WasShown() override; |
| void WasHidden() override; |
| bool NeedToFireBeforeUnload() override; |
| void DispatchBeforeUnload(bool for_cross_site_transition) override; |
| void AttachToOuterWebContentsFrame( |
| WebContents* outer_web_contents, |
| RenderFrameHost* outer_contents_frame) override; |
| void Stop() override; |
| WebContents* Clone() override; |
| void ReloadFocusedFrame(bool ignore_cache) override; |
| void Undo() override; |
| void Redo() override; |
| void Cut() override; |
| void Copy() override; |
| void CopyToFindPboard() override; |
| void Paste() override; |
| void PasteAndMatchStyle() override; |
| void Delete() override; |
| void SelectAll() override; |
| void Unselect() override; |
| void Replace(const base::string16& word) override; |
| void ReplaceMisspelling(const base::string16& word) override; |
| void NotifyContextMenuClosed( |
| const CustomContextMenuContext& context) override; |
| void ExecuteCustomContextMenuCommand( |
| int action, |
| const CustomContextMenuContext& context) override; |
| gfx::NativeView GetNativeView() override; |
| gfx::NativeView GetContentNativeView() override; |
| gfx::NativeWindow GetTopLevelNativeWindow() override; |
| gfx::Rect GetContainerBounds() override; |
| gfx::Rect GetViewBounds() override; |
| DropData* GetDropData() override; |
| void Focus() override; |
| void SetInitialFocus() override; |
| void StoreFocus() override; |
| void RestoreFocus() override; |
| void FocusThroughTabTraversal(bool reverse) override; |
| bool ShowingInterstitialPage() const override; |
| InterstitialPage* GetInterstitialPage() const override; |
| bool IsSavable() override; |
| void OnSavePage() override; |
| bool SavePage(const base::FilePath& main_file, |
| const base::FilePath& dir_path, |
| SavePageType save_type) override; |
| void SaveFrame(const GURL& url, const Referrer& referrer) override; |
| void SaveFrameWithHeaders(const GURL& url, |
| const Referrer& referrer, |
| const std::string& headers) override; |
| void GenerateMHTML(const base::FilePath& file, |
| const base::Callback<void(int64_t)>& callback) override; |
| const std::string& GetContentsMimeType() const override; |
| bool WillNotifyDisconnection() const override; |
| void SetOverrideEncoding(const std::string& encoding) override; |
| void ResetOverrideEncoding() override; |
| RendererPreferences* GetMutableRendererPrefs() override; |
| void Close() override; |
| void SystemDragEnded() override; |
| void UserGestureDone() override; |
| void SetClosedByUserGesture(bool value) override; |
| bool GetClosedByUserGesture() const override; |
| void ViewSource() override; |
| void ViewFrameSource(const GURL& url, const PageState& page_state) override; |
| int GetMinimumZoomPercent() const override; |
| int GetMaximumZoomPercent() const override; |
| void SetPageScale(float page_scale_factor) override; |
| gfx::Size GetPreferredSize() const override; |
| bool GotResponseToLockMouseRequest(bool allowed) override; |
| bool HasOpener() const override; |
| WebContentsImpl* GetOpener() const override; |
| void DidChooseColorInColorChooser(SkColor color) override; |
| void DidEndColorChooser() override; |
| int DownloadImage(const GURL& url, |
| bool is_favicon, |
| uint32_t max_bitmap_size, |
| bool bypass_cache, |
| const ImageDownloadCallback& callback) override; |
| bool IsSubframe() const override; |
| void Find(int request_id, |
| const base::string16& search_text, |
| const blink::WebFindOptions& options) override; |
| void StopFinding(StopFindAction action) override; |
| void InsertCSS(const std::string& css) override; |
| bool WasRecentlyAudible() override; |
| void GetManifest(const GetManifestCallback& callback) override; |
| void HasManifest(const HasManifestCallback& callback) override; |
| void ExitFullscreen() override; |
| void ResumeLoadingCreatedWebContents() override; |
| #if defined(OS_ANDROID) |
| void OnMediaSessionStateChanged(); |
| void ResumeMediaSession() override; |
| void SuspendMediaSession() override; |
| void StopMediaSession() override; |
| #if !defined(USE_AURA) |
| base::android::ScopedJavaLocalRef<jobject> GetJavaWebContents() override; |
| virtual WebContentsAndroid* GetWebContentsAndroid(); |
| #endif // !USE_AURA |
| #elif defined(OS_MACOSX) |
| void SetAllowOtherViews(bool allow) override; |
| bool GetAllowOtherViews() override; |
| #endif |
| |
| // Implementation of PageNavigator. |
| WebContents* OpenURL(const OpenURLParams& params) override; |
| |
| // Implementation of IPC::Sender. |
| bool Send(IPC::Message* message) override; |
| |
| // RenderFrameHostDelegate --------------------------------------------------- |
| bool OnMessageReceived(RenderFrameHost* render_frame_host, |
| const IPC::Message& message) override; |
| const GURL& GetMainFrameLastCommittedURL() const override; |
| void RenderFrameCreated(RenderFrameHost* render_frame_host) override; |
| void RenderFrameDeleted(RenderFrameHost* render_frame_host) override; |
| void SwappedOut(RenderFrameHost* render_frame_host) override; |
| void ShowContextMenu(RenderFrameHost* render_frame_host, |
| const ContextMenuParams& params) override; |
| void RunJavaScriptMessage(RenderFrameHost* render_frame_host, |
| const base::string16& message, |
| const base::string16& default_prompt, |
| const GURL& frame_url, |
| JavaScriptMessageType type, |
| IPC::Message* reply_msg) override; |
| void RunBeforeUnloadConfirm(RenderFrameHost* render_frame_host, |
| const base::string16& message, |
| bool is_reload, |
| IPC::Message* reply_msg) override; |
| void DidAccessInitialDocument() override; |
| void DidChangeName(RenderFrameHost* render_frame_host, |
| const std::string& name) override; |
| void DocumentOnLoadCompleted(RenderFrameHost* render_frame_host) override; |
| void UpdateStateForFrame(RenderFrameHost* render_frame_host, |
| const PageState& page_state) override; |
| void UpdateTitle(RenderFrameHost* render_frame_host, |
| int32_t page_id, |
| const base::string16& title, |
| base::i18n::TextDirection title_direction) override; |
| void UpdateEncoding(RenderFrameHost* render_frame_host, |
| const std::string& encoding) override; |
| WebContents* GetAsWebContents() override; |
| bool IsNeverVisible() override; |
| AccessibilityMode GetAccessibilityMode() const override; |
| void AccessibilityEventReceived( |
| const std::vector<AXEventNotificationDetails>& details) override; |
| RenderFrameHost* GetGuestByInstanceID( |
| RenderFrameHost* render_frame_host, |
| int browser_plugin_instance_id) override; |
| GeolocationServiceContext* GetGeolocationServiceContext() override; |
| WakeLockServiceContext* GetWakeLockServiceContext() override; |
| void EnterFullscreenMode(const GURL& origin) override; |
| void ExitFullscreenMode() override; |
| bool ShouldRouteMessageEvent( |
| RenderFrameHost* target_rfh, |
| SiteInstance* source_site_instance) const override; |
| void EnsureOpenerProxiesExist(RenderFrameHost* source_rfh) override; |
| scoped_ptr<WebUIImpl> CreateWebUIForRenderFrameHost(const GURL& url) override; |
| #if defined(OS_WIN) |
| gfx::NativeViewAccessible GetParentNativeViewAccessible() override; |
| #endif |
| |
| // RenderViewHostDelegate ---------------------------------------------------- |
| RenderViewHostDelegateView* GetDelegateView() override; |
| bool OnMessageReceived(RenderViewHost* render_view_host, |
| const IPC::Message& message) override; |
| // RenderFrameHostDelegate has the same method, so list it there because this |
| // interface is going away. |
| // WebContents* GetAsWebContents() override; |
| void RenderViewCreated(RenderViewHost* render_view_host) override; |
| void RenderViewReady(RenderViewHost* render_view_host) override; |
| void RenderViewTerminated(RenderViewHost* render_view_host, |
| base::TerminationStatus status, |
| int error_code) override; |
| void RenderViewDeleted(RenderViewHost* render_view_host) override; |
| void UpdateState(RenderViewHost* render_view_host, |
| int32_t page_id, |
| const PageState& page_state) override; |
| void UpdateTargetURL(RenderViewHost* render_view_host, |
| const GURL& url) override; |
| void Close(RenderViewHost* render_view_host) override; |
| void RequestMove(const gfx::Rect& new_bounds) override; |
| void DidCancelLoading() override; |
| void DocumentAvailableInMainFrame(RenderViewHost* render_view_host) override; |
| void RouteCloseEvent(RenderViewHost* rvh) override; |
| bool AddMessageToConsole(int32_t level, |
| const base::string16& message, |
| int32_t line_no, |
| const base::string16& source_id) override; |
| RendererPreferences GetRendererPrefs( |
| BrowserContext* browser_context) const override; |
| void OnUserInteraction(const blink::WebInputEvent::Type type) override; |
| void OnIgnoredUIEvent() override; |
| void LoadStateChanged(const GURL& url, |
| const net::LoadStateWithParam& load_state, |
| uint64_t upload_position, |
| uint64_t upload_size) override; |
| void Activate() override; |
| void RunFileChooser(RenderViewHost* render_view_host, |
| const FileChooserParams& params) override; |
| void UpdatePreferredSize(const gfx::Size& pref_size) override; |
| void CreateNewWindow( |
| SiteInstance* source_site_instance, |
| int32_t route_id, |
| int32_t main_frame_route_id, |
| int32_t main_frame_widget_route_id, |
| const ViewHostMsg_CreateWindow_Params& params, |
| SessionStorageNamespace* session_storage_namespace) override; |
| void CreateNewWidget(int32_t render_process_id, |
| int32_t route_id, |
| blink::WebPopupType popup_type) override; |
| void CreateNewFullscreenWidget(int32_t render_process_id, |
| int32_t route_id) override; |
| void ShowCreatedWindow(int route_id, |
| WindowOpenDisposition disposition, |
| const gfx::Rect& initial_rect, |
| bool user_gesture) override; |
| void ShowCreatedWidget(int route_id, const gfx::Rect& initial_rect) override; |
| void ShowCreatedFullscreenWidget(int route_id) override; |
| void RequestMediaAccessPermission( |
| const MediaStreamRequest& request, |
| const MediaResponseCallback& callback) override; |
| bool CheckMediaAccessPermission(const GURL& security_origin, |
| MediaStreamType type) override; |
| SessionStorageNamespace* GetSessionStorageNamespace( |
| SiteInstance* instance) override; |
| SessionStorageNamespaceMap GetSessionStorageNamespaceMap() override; |
| FrameTree* GetFrameTree() override; |
| void SetIsVirtualKeyboardRequested(bool requested) override; |
| bool IsVirtualKeyboardRequested() override; |
| |
| // NavigatorDelegate --------------------------------------------------------- |
| |
| void DidStartNavigation(NavigationHandle* navigation_handle) override; |
| void DidRedirectNavigation(NavigationHandle* navigation_handle) override; |
| void ReadyToCommitNavigation(NavigationHandle* navigation_handle) override; |
| void DidFinishNavigation(NavigationHandle* navigation_handle) override; |
| void DidStartProvisionalLoad(RenderFrameHostImpl* render_frame_host, |
| const GURL& validated_url, |
| bool is_error_page, |
| bool is_iframe_srcdoc) override; |
| void DidFailProvisionalLoadWithError( |
| RenderFrameHostImpl* render_frame_host, |
| const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params) |
| override; |
| void DidFailLoadWithError(RenderFrameHostImpl* render_frame_host, |
| const GURL& url, |
| int error_code, |
| const base::string16& error_description, |
| bool was_ignored_by_handler) override; |
| void DidCommitProvisionalLoad(RenderFrameHostImpl* render_frame_host, |
| const GURL& url, |
| ui::PageTransition transition_type) override; |
| void DidNavigateMainFramePreCommit(bool navigation_is_within_page) override; |
| void DidNavigateMainFramePostCommit( |
| RenderFrameHostImpl* render_frame_host, |
| const LoadCommittedDetails& details, |
| const FrameHostMsg_DidCommitProvisionalLoad_Params& params) override; |
| void DidNavigateAnyFramePostCommit( |
| RenderFrameHostImpl* render_frame_host, |
| const LoadCommittedDetails& details, |
| const FrameHostMsg_DidCommitProvisionalLoad_Params& params) override; |
| void SetMainFrameMimeType(const std::string& mime_type) override; |
| bool CanOverscrollContent() const override; |
| void NotifyChangedNavigationState(InvalidateTypes changed_flags) override; |
| void DidStartNavigationToPendingEntry( |
| const GURL& url, |
| NavigationController::ReloadType reload_type) override; |
| void RequestOpenURL(RenderFrameHostImpl* render_frame_host, |
| const OpenURLParams& params) override; |
| bool ShouldTransferNavigation() override; |
| bool ShouldPreserveAbortedURLs() override; |
| void DidStartLoading(FrameTreeNode* frame_tree_node, |
| bool to_different_document) override; |
| void DidStopLoading() override; |
| void DidChangeLoadProgress() override; |
| |
| // RenderWidgetHostDelegate -------------------------------------------------- |
| |
| void RenderWidgetCreated(RenderWidgetHostImpl* render_widget_host) override; |
| void RenderWidgetDeleted(RenderWidgetHostImpl* render_widget_host) override; |
| void RenderWidgetGotFocus(RenderWidgetHostImpl* render_widget_host) override; |
| void RenderWidgetWasResized(RenderWidgetHostImpl* render_widget_host, |
| bool width_changed) override; |
| void ResizeDueToAutoResize(RenderWidgetHostImpl* render_widget_host, |
| const gfx::Size& new_size) override; |
| void ScreenInfoChanged() override; |
| bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event, |
| bool* is_keyboard_shortcut) override; |
| void HandleKeyboardEvent(const NativeWebKeyboardEvent& event) override; |
| bool HandleWheelEvent(const blink::WebMouseWheelEvent& event) override; |
| void OnUserGesture(RenderWidgetHostImpl* render_widget_host) override; |
| bool PreHandleGestureEvent(const blink::WebGestureEvent& event) override; |
| void DidSendScreenRects(RenderWidgetHostImpl* rwh) override; |
| BrowserAccessibilityManager* GetRootBrowserAccessibilityManager() override; |
| BrowserAccessibilityManager* GetOrCreateRootBrowserAccessibilityManager() |
| override; |
| // The following 4 functions are already listed under WebContents overrides: |
| // void Cut() override; |
| // void Copy() override; |
| // void Paste() override; |
| // void SelectAll() override; |
| void MoveRangeSelectionExtent(const gfx::Point& extent) override; |
| void SelectRange(const gfx::Point& base, const gfx::Point& extent) override; |
| void AdjustSelectionByCharacterOffset(int start_adjust, int end_adjust) |
| override; |
| RenderWidgetHostInputEventRouter* GetInputEventRouter() override; |
| void ReplicatePageFocus(bool is_focused) override; |
| RenderWidgetHostImpl* GetFocusedRenderWidgetHost( |
| RenderWidgetHostImpl* receiving_widget) override; |
| void RendererUnresponsive(RenderWidgetHostImpl* render_widget_host) override; |
| void RendererResponsive(RenderWidgetHostImpl* render_widget_host) override; |
| void RequestToLockMouse(RenderWidgetHostImpl* render_widget_host, |
| bool user_gesture, |
| bool last_unlocked_by_target) override; |
| gfx::Rect GetRootWindowResizerRect( |
| RenderWidgetHostImpl* render_widget_host) const override; |
| bool IsFullscreenForCurrentTab( |
| RenderWidgetHostImpl* render_widget_host) const override; |
| blink::WebDisplayMode GetDisplayMode( |
| RenderWidgetHostImpl* render_widget_host) const override; |
| void LostCapture(RenderWidgetHostImpl* render_widget_host) override; |
| void LostMouseLock(RenderWidgetHostImpl* render_widget_host) override; |
| void ForwardCompositorProto(RenderWidgetHostImpl* render_widget_host, |
| const std::vector<uint8_t>& proto) override; |
| |
| // RenderFrameHostManager::Delegate ------------------------------------------ |
| |
| bool CreateRenderViewForRenderManager( |
| RenderViewHost* render_view_host, |
| int opener_frame_routing_id, |
| int proxy_routing_id, |
| const FrameReplicationState& replicated_frame_state) override; |
| void CreateRenderWidgetHostViewForRenderManager( |
| RenderViewHost* render_view_host) override; |
| bool CreateRenderFrameForRenderManager( |
| RenderFrameHost* render_frame_host, |
| int proxy_routing_id, |
| int opener_routing_id, |
| int parent_routing_id, |
| int previous_sibling_routing_id) override; |
| void BeforeUnloadFiredFromRenderManager( |
| bool proceed, |
| const base::TimeTicks& proceed_time, |
| bool* proceed_to_fire_unload) override; |
| void RenderProcessGoneFromRenderManager( |
| RenderViewHost* render_view_host) override; |
| void UpdateRenderViewSizeForRenderManager() override; |
| void CancelModalDialogsForRenderManager() override; |
| void NotifySwappedFromRenderManager(RenderFrameHost* old_host, |
| RenderFrameHost* new_host, |
| bool is_main_frame) override; |
| void NotifyMainFrameSwappedFromRenderManager( |
| RenderViewHost* old_host, |
| RenderViewHost* new_host) override; |
| NavigationControllerImpl& GetControllerForRenderManager() override; |
| NavigationEntry* GetLastCommittedNavigationEntryForRenderManager() override; |
| bool FocusLocationBarByDefault() override; |
| void SetFocusToLocationBar(bool select_all) override; |
| bool IsHidden() override; |
| int GetOuterDelegateFrameTreeNodeId() override; |
| |
| // NotificationObserver ------------------------------------------------------ |
| |
| void Observe(int type, |
| const NotificationSource& source, |
| const NotificationDetails& details) override; |
| |
| // NavigationControllerDelegate ---------------------------------------------- |
| |
| WebContents* GetWebContents() override; |
| void NotifyNavigationEntryCommitted( |
| const LoadCommittedDetails& load_details) override; |
| |
| // Invoked before a form repost warning is shown. |
| void NotifyBeforeFormRepostWarningShow() override; |
| |
| // Activate this WebContents and show a form repost warning. |
| void ActivateAndShowRepostFormWarningDialog() override; |
| |
| // Whether the initial empty page of this view has been accessed by another |
| // page, making it unsafe to show the pending URL. Always false after the |
| // first commit. |
| bool HasAccessedInitialDocument() override; |
| |
| // Updates the max page ID for the current SiteInstance in this |
| // WebContentsImpl to be at least |page_id|. |
| void UpdateMaxPageID(int32_t page_id) override; |
| |
| // Updates the max page ID for the given SiteInstance in this WebContentsImpl |
| // to be at least |page_id|. |
| void UpdateMaxPageIDForSiteInstance(SiteInstance* site_instance, |
| int32_t page_id) override; |
| |
| // Copy the current map of SiteInstance ID to max page ID from another tab. |
| // This is necessary when this tab adopts the NavigationEntries from |
| // |web_contents|. |
| void CopyMaxPageIDsFrom(WebContents* web_contents) override; |
| |
| // Sets the history for this WebContentsImpl to |history_length| entries, with |
| // an offset of |history_offset|. |
| void SetHistoryOffsetAndLength(int history_offset, |
| int history_length) override; |
| |
| // Called by InterstitialPageImpl when it creates a RenderFrameHost. |
| void RenderFrameForInterstitialPageCreated( |
| RenderFrameHost* render_frame_host) override; |
| |
| // Sets the passed interstitial as the currently showing interstitial. |
| // No interstitial page should already be attached. |
| void AttachInterstitialPage(InterstitialPageImpl* interstitial_page) override; |
| |
| // Unsets the currently showing interstitial. |
| void DetachInterstitialPage() override; |
| |
| // Changes the IsLoading state and notifies the delegate as needed. |
| // |details| is used to provide details on the load that just finished |
| // (but can be null if not applicable). |
| void SetIsLoading(bool is_loading, |
| bool to_different_document, |
| LoadNotificationDetails* details) override; |
| |
| typedef base::Callback<void(WebContents*)> CreatedCallback; |
| |
| // Forces overscroll to be disabled (used by touch emulation). |
| void SetForceDisableOverscrollContent(bool force_disable); |
| |
| AudioStreamMonitor* audio_stream_monitor() { |
| return &audio_stream_monitor_; |
| } |
| |
| // Called by MediaWebContentsObserver when playback starts or stops. See the |
| // WebContentsObserver function stubs for more details. |
| void MediaStartedPlaying(const WebContentsObserver::MediaPlayerId& id); |
| void MediaStoppedPlaying(const WebContentsObserver::MediaPlayerId& id); |
| |
| MediaWebContentsObserver* media_web_contents_observer() { |
| return media_web_contents_observer_.get(); |
| } |
| |
| private: |
| friend class WebContentsObserver; |
| friend class WebContents; // To implement factory methods. |
| |
| FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, NoJSMessageOnInterstitials); |
| FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, UpdateTitle); |
| FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FindOpenerRVHWhenPending); |
| FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, |
| CrossSiteCantPreemptAfterUnload); |
| FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, PendingContents); |
| FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FrameTreeShape); |
| FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, GetLastActiveTime); |
| FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, |
| LoadResourceFromMemoryCacheWithBadSecurityInfo); |
| FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, |
| LoadResourceFromMemoryCacheWithEmptySecurityInfo); |
| FRIEND_TEST_ALL_PREFIXES(FormStructureBrowserTest, HTMLFiles); |
| FRIEND_TEST_ALL_PREFIXES(NavigationControllerTest, HistoryNavigate); |
| FRIEND_TEST_ALL_PREFIXES(RenderFrameHostManagerTest, PageDoesBackAndReload); |
| FRIEND_TEST_ALL_PREFIXES(SitePerProcessBrowserTest, CrossSiteIframe); |
| FRIEND_TEST_ALL_PREFIXES(SitePerProcessAccessibilityBrowserTest, |
| CrossSiteIframeAccessibility); |
| |
| // So InterstitialPageImpl can access SetIsLoading. |
| friend class InterstitialPageImpl; |
| |
| // TODO(brettw) TestWebContents shouldn't exist! |
| friend class TestWebContents; |
| |
| class DestructionObserver; |
| |
| // Represents a WebContents node in a tree of WebContents structure. |
| // |
| // Two WebContents with separate FrameTrees can be connected by |
| // outer/inner relationship using this class. Note that their FrameTrees |
| // still remain disjoint. |
| // The parent is referred to as "outer WebContents" and the descendents are |
| // referred to as "inner WebContents". |
| // For each inner WebContents, the outer WebContents will have a |
| // corresponding FrameTreeNode. |
| struct WebContentsTreeNode { |
| public: |
| WebContentsTreeNode(); |
| ~WebContentsTreeNode(); |
| |
| typedef std::set<WebContentsTreeNode*> ChildrenSet; |
| |
| void ConnectToOuterWebContents(WebContentsImpl* outer_web_contents, |
| RenderFrameHostImpl* outer_contents_frame); |
| |
| WebContentsImpl* outer_web_contents() { return outer_web_contents_; } |
| int outer_contents_frame_tree_node_id() { |
| return outer_contents_frame_tree_node_id_; |
| } |
| |
| private: |
| // The outer Webontents. |
| WebContentsImpl* outer_web_contents_; |
| // The ID of the FrameTreeNode in outer WebContents that is hosting us. |
| int outer_contents_frame_tree_node_id_; |
| // List of inner WebContents that we host. |
| ChildrenSet inner_web_contents_tree_nodes_; |
| }; |
| |
| // See WebContents::Create for a description of these parameters. |
| WebContentsImpl(BrowserContext* browser_context); |
| |
| // Add and remove observers for page navigation notifications. The order in |
| // which notifications are sent to observers is undefined. Clients must be |
| // sure to remove the observer before they go away. |
| void AddObserver(WebContentsObserver* observer); |
| void RemoveObserver(WebContentsObserver* observer); |
| |
| // Clears a pending contents that has been closed before being shown. |
| void OnWebContentsDestroyed(WebContentsImpl* web_contents); |
| |
| // Creates and adds to the map a destruction observer watching |web_contents|. |
| // No-op if such an observer already exists. |
| void AddDestructionObserver(WebContentsImpl* web_contents); |
| |
| // Deletes and removes from the map a destruction observer |
| // watching |web_contents|. No-op if there is no such observer. |
| void RemoveDestructionObserver(WebContentsImpl* web_contents); |
| |
| // Traverses all the RenderFrameHosts in the FrameTree and creates a set |
| // all the unique RenderWidgetHostViews. |
| std::set<RenderWidgetHostView*> GetRenderWidgetHostViewsInTree(); |
| |
| // Called with the result of a DownloadImage() request. |
| void OnDidDownloadImage(const ImageDownloadCallback& callback, |
| int id, |
| const GURL& image_url, |
| image_downloader::DownloadResultPtr result); |
| |
| // Callback function when showing JavaScript dialogs. Takes in a routing ID |
| // pair to identify the RenderFrameHost that opened the dialog, because it's |
| // possible for the RenderFrameHost to be deleted by the time this is called. |
| void OnDialogClosed(int render_process_id, |
| int render_frame_id, |
| IPC::Message* reply_msg, |
| bool dialog_was_suppressed, |
| bool success, |
| const base::string16& user_input); |
| |
| bool OnMessageReceived(RenderViewHost* render_view_host, |
| RenderFrameHost* render_frame_host, |
| const IPC::Message& message); |
| |
| // Checks whether render_frame_message_source_ is set to non-null value, |
| // otherwise it terminates the main frame renderer process. |
| bool HasValidFrameSource(); |
| |
| // IPC message handlers. |
| void OnThemeColorChanged(SkColor theme_color); |
| void OnDidLoadResourceFromMemoryCache(const GURL& url, |
| const std::string& security_info, |
| const std::string& http_request, |
| const std::string& mime_type, |
| ResourceType resource_type); |
| void OnDidDisplayInsecureContent(); |
| void OnDidRunInsecureContent(const GURL& security_origin, |
| const GURL& target_url); |
| void OnDidDisplayContentWithCertificateErrors( |
| const GURL& url, |
| const std::string& security_info); |
| void OnDidRunContentWithCertificateErrors(const GURL& security_origin, |
| const GURL& url, |
| const std::string& security_info); |
| void OnDocumentLoadedInFrame(); |
| void OnDidFinishLoad(const GURL& url); |
| void OnGoToEntryAtOffset(int offset); |
| void OnUpdateZoomLimits(int minimum_percent, |
| int maximum_percent); |
| void OnPageScaleFactorChanged(float page_scale_factor); |
| void OnEnumerateDirectory(int request_id, const base::FilePath& path); |
| |
| void OnRegisterProtocolHandler(const std::string& protocol, |
| const GURL& url, |
| const base::string16& title, |
| bool user_gesture); |
| void OnUnregisterProtocolHandler(const std::string& protocol, |
| const GURL& url, |
| bool user_gesture); |
| void OnFindReply(int request_id, |
| int number_of_matches, |
| const gfx::Rect& selection_rect, |
| int active_match_ordinal, |
| bool final_update); |
| #if defined(OS_ANDROID) && !defined(USE_AURA) |
| void OnFindMatchRectsReply(int version, |
| const std::vector<gfx::RectF>& rects, |
| const gfx::RectF& active_rect); |
| |
| void OnOpenDateTimeDialog( |
| const ViewHostMsg_DateTimeDialogValue_Params& value); |
| #endif |
| void OnDomOperationResponse(const std::string& json_string); |
| void OnAppCacheAccessed(const GURL& manifest_url, bool blocked_by_policy); |
| void OnOpenColorChooser(int color_chooser_id, |
| SkColor color, |
| const std::vector<ColorSuggestion>& suggestions); |
| void OnEndColorChooser(int color_chooser_id); |
| void OnSetSelectedColorInColorChooser(int color_chooser_id, SkColor color); |
| void OnWebUISend(const GURL& source_url, |
| const std::string& name, |
| const base::ListValue& args); |
| void OnUpdatePageImportanceSignals(const PageImportanceSignals& signals); |
| #if defined(ENABLE_PLUGINS) |
| void OnPepperInstanceCreated(); |
| void OnPepperInstanceDeleted(); |
| void OnPepperPluginHung(int plugin_child_id, |
| const base::FilePath& path, |
| bool is_hung); |
| void OnPluginCrashed(const base::FilePath& plugin_path, |
| base::ProcessId plugin_pid); |
| void OnRequestPpapiBrokerPermission(int routing_id, |
| const GURL& url, |
| const base::FilePath& plugin_path); |
| |
| // Callback function when requesting permission to access the PPAPI broker. |
| // |result| is true if permission was granted. |
| void OnPpapiBrokerPermissionResult(int routing_id, bool result); |
| |
| void OnBrowserPluginMessage(RenderFrameHost* render_frame_host, |
| const IPC::Message& message); |
| #endif // defined(ENABLE_PLUGINS) |
| void OnUpdateFaviconURL(const std::vector<FaviconURL>& candidates); |
| void OnFirstVisuallyNonEmptyPaint(); |
| void OnShowValidationMessage(const gfx::Rect& anchor_in_root_view, |
| const base::string16& main_text, |
| const base::string16& sub_text); |
| void OnHideValidationMessage(); |
| void OnMoveValidationMessage(const gfx::Rect& anchor_in_root_view); |
| |
| // Called by derived classes to indicate that we're no longer waiting for a |
| // response. This won't actually update the throbber, but it will get picked |
| // up at the next animation step if the throbber is going. |
| void SetNotWaitingForResponse() { waiting_for_response_ = false; } |
| |
| // Navigation helpers -------------------------------------------------------- |
| // |
| // These functions are helpers for Navigate() and DidNavigate(). |
| |
| // Handles post-navigation tasks in DidNavigate AFTER the entry has been |
| // committed to the navigation controller. Note that the navigation entry is |
| // not provided since it may be invalid/changed after being committed. The |
| // current navigation entry is in the NavigationController at this point. |
| |
| // If our controller was restored, update the max page ID associated with the |
| // given RenderViewHost to be larger than the number of restored entries. |
| // This is called in CreateRenderView before any navigations in the RenderView |
| // have begun, to prevent any races in updating RenderView::next_page_id. |
| void UpdateMaxPageIDIfNecessary(RenderViewHost* rvh); |
| |
| // Saves the given title to the navigation entry and does associated work. It |
| // will update history and the view for the new title, and also synthesize |
| // titles for file URLs that have none (so we require that the URL of the |
| // entry already be set). |
| // |
| // This is used as the backend for state updates, which include a new title, |
| // or the dedicated set title message. It returns true if the new title is |
| // different and was therefore updated. |
| bool UpdateTitleForEntry(NavigationEntryImpl* entry, |
| const base::string16& title); |
| |
| // Helper for CreateNewWidget/CreateNewFullscreenWidget. |
| void CreateNewWidget(int32_t render_process_id, |
| int32_t route_id, |
| bool is_fullscreen, |
| blink::WebPopupType popup_type); |
| |
| // Helper for ShowCreatedWidget/ShowCreatedFullscreenWidget. |
| void ShowCreatedWidget(int route_id, |
| bool is_fullscreen, |
| const gfx::Rect& initial_rect); |
| |
| // Finds the new RenderWidgetHost and returns it. Note that this can only be |
| // called once as this call also removes it from the internal map. |
| RenderWidgetHostView* GetCreatedWidget(int route_id); |
| |
| // Finds the new WebContentsImpl by route_id, initializes it for |
| // renderer-initiated creation, and returns it. Note that this can only be |
| // called once as this call also removes it from the internal map. |
| WebContentsImpl* GetCreatedWindow(int route_id); |
| |
| // Tracking loading progress ------------------------------------------------- |
| |
| // Resets the tracking state of the current load progress. |
| void ResetLoadProgressState(); |
| |
| // Notifies the delegate that the load progress was updated. |
| void SendChangeLoadProgress(); |
| |
| // Misc non-view stuff ------------------------------------------------------- |
| |
| // Sets the history for a specified RenderViewHost to |history_length| |
| // entries, with an offset of |history_offset|. |
| void SetHistoryOffsetAndLengthForView(RenderViewHost* render_view_host, |
| int history_offset, |
| int history_length); |
| |
| // Helper functions for sending notifications. |
| void NotifyViewSwapped(RenderViewHost* old_host, RenderViewHost* new_host); |
| void NotifyFrameSwapped(RenderFrameHost* old_host, RenderFrameHost* new_host); |
| void NotifyDisconnected(); |
| |
| void SetEncoding(const std::string& encoding); |
| |
| // TODO(creis): This should take in a FrameTreeNode to know which node's |
| // render manager to return. For now, we just return the root's. |
| RenderFrameHostManager* GetRenderManager() const; |
| |
| // Removes browser plugin embedder if there is one. |
| void RemoveBrowserPluginEmbedder(); |
| |
| // Helper function to invoke WebContentsDelegate::GetSizeForNewRenderView(). |
| gfx::Size GetSizeForNewRenderView(); |
| |
| void OnFrameRemoved(RenderFrameHost* render_frame_host); |
| |
| // Helper method that's called whenever |preferred_size_| or |
| // |preferred_size_for_capture_| changes, to propagate the new value to the |
| // |delegate_|. |
| void OnPreferredSizeChanged(const gfx::Size& old_size); |
| |
| // Internal helper to create WebUI objects associated with |this|. |url| is |
| // used to determine which WebUI should be created (if any). |frame_name| |
| // corresponds to the name of a frame that the WebUI should be created for (or |
| // the main frame if empty). |
| WebUI* CreateWebUI(const GURL& url, const std::string& frame_name); |
| |
| // Data for core operation --------------------------------------------------- |
| |
| // Delegate for notifying our owner about stuff. Not owned by us. |
| WebContentsDelegate* delegate_; |
| |
| // Handles the back/forward list and loading. |
| NavigationControllerImpl controller_; |
| |
| // The corresponding view. |
| scoped_ptr<WebContentsView> view_; |
| |
| // The view of the RVHD. Usually this is our WebContentsView implementation, |
| // but if an embedder uses a different WebContentsView, they'll need to |
| // provide this. |
| RenderViewHostDelegateView* render_view_host_delegate_view_; |
| |
| // Tracks created WebContentsImpl objects that have not been shown yet. They |
| // are identified by the route ID passed to CreateNewWindow. |
| typedef std::map<int, WebContentsImpl*> PendingContents; |
| PendingContents pending_contents_; |
| |
| // These maps hold on to the widgets that we created on behalf of the renderer |
| // that haven't shown yet. |
| typedef std::map<int, RenderWidgetHostView*> PendingWidgetViews; |
| PendingWidgetViews pending_widget_views_; |
| |
| typedef std::map<WebContentsImpl*, DestructionObserver*> DestructionObservers; |
| DestructionObservers destruction_observers_; |
| |
| // A list of observers notified when page state changes. Weak references. |
| // This MUST be listed above frame_tree_ since at destruction time the |
| // latter might cause RenderViewHost's destructor to call us and we might use |
| // the observer list then. |
| base::ObserverList<WebContentsObserver> observers_; |
| |
| // True if this tab was opened by another tab. This is not unset if the opener |
| // is closed. |
| bool created_with_opener_; |
| |
| #if defined(OS_WIN) |
| gfx::NativeViewAccessible accessible_parent_; |
| #endif |
| |
| // Helper classes ------------------------------------------------------------ |
| |
| // Manages the frame tree of the page and process swaps in each node. |
| FrameTree frame_tree_; |
| |
| // If this WebContents is part of a "tree of WebContents", then this contains |
| // information about the structure. |
| scoped_ptr<WebContentsTreeNode> node_; |
| |
| // SavePackage, lazily created. |
| scoped_refptr<SavePackage> save_package_; |
| |
| // Data for loading state ---------------------------------------------------- |
| |
| // Indicates whether we're currently loading a resource. |
| bool is_loading_; |
| |
| // Indicates whether the current load is to a different document. Only valid |
| // if is_loading_ is true. |
| bool is_load_to_different_document_; |
| |
| // Indicates if the tab is considered crashed. |
| base::TerminationStatus crashed_status_; |
| int crashed_error_code_; |
| |
| // Whether this WebContents is waiting for a first-response for the |
| // main resource of the page. This controls whether the throbber state is |
| // "waiting" or "loading." |
| bool waiting_for_response_; |
| |
| // Map of SiteInstance ID to max page ID for this tab. A page ID is specific |
| // to a given tab and SiteInstance, and must be valid for the lifetime of the |
| // WebContentsImpl. |
| std::map<int32_t, int32_t> max_page_ids_; |
| |
| // The current load state and the URL associated with it. |
| net::LoadStateWithParam load_state_; |
| base::string16 load_state_host_; |
| |
| base::TimeTicks loading_last_progress_update_; |
| |
| // Upload progress, for displaying in the status bar. |
| // Set to zero when there is no significant upload happening. |
| uint64_t upload_size_; |
| uint64_t upload_position_; |
| |
| // Tracks that this WebContents needs to unblock requests to the renderer. |
| // See ResumeLoadingCreatedWebContents. |
| bool is_resume_pending_; |
| |
| // Data for current page ----------------------------------------------------- |
| |
| // When a title cannot be taken from any entry, this title will be used. |
| base::string16 page_title_when_no_navigation_entry_; |
| |
| // When a navigation occurs, we record its contents MIME type. It can be |
| // used to check whether we can do something for some special contents. |
| std::string contents_mime_type_; |
| |
| // The last reported character encoding, not canonicalized. |
| std::string last_reported_encoding_; |
| |
| // The canonicalized character encoding. |
| std::string canonical_encoding_; |
| |
| // True if this is a secure page which displayed insecure content. |
| bool displayed_insecure_content_; |
| |
| // Whether the initial empty page has been accessed by another page, making it |
| // unsafe to show the pending URL. Usually false unless another window tries |
| // to modify the blank page. Always false after the first commit. |
| bool has_accessed_initial_document_; |
| |
| // The theme color for the underlying document as specified |
| // by theme-color meta tag. |
| SkColor theme_color_; |
| |
| // The last published theme color. |
| SkColor last_sent_theme_color_; |
| |
| // Whether the first visually non-empty paint has occurred. |
| bool did_first_visually_non_empty_paint_; |
| |
| // Data for misc internal state ---------------------------------------------- |
| |
| // When > 0, the WebContents is currently being captured (e.g., for |
| // screenshots or mirroring); and the underlying RenderWidgetHost should not |
| // be told it is hidden. |
| int capturer_count_; |
| |
| // Tracks whether RWHV should be visible once capturer_count_ becomes zero. |
| bool should_normally_be_visible_; |
| |
| // See getter above. |
| bool is_being_destroyed_; |
| |
| // Indicates whether we should notify about disconnection of this |
| // WebContentsImpl. This is used to ensure disconnection notifications only |
| // happen if a connection notification has happened and that they happen only |
| // once. |
| bool notify_disconnection_; |
| |
| // Pointer to the JavaScript dialog manager, lazily assigned. Used because the |
| // delegate of this WebContentsImpl is nulled before its destructor is called. |
| JavaScriptDialogManager* dialog_manager_; |
| |
| // Set to true when there is an active "before unload" dialog. When true, |
| // we've forced the throbber to start in Navigate, and we need to remember to |
| // turn it off in OnJavaScriptMessageBoxClosed if the navigation is canceled. |
| bool is_showing_before_unload_dialog_; |
| |
| // Settings that get passed to the renderer process. |
| RendererPreferences renderer_preferences_; |
| |
| // The time that this WebContents was last made active. The initial value is |
| // the WebContents creation time. |
| base::TimeTicks last_active_time_; |
| |
| // See description above setter. |
| bool closed_by_user_gesture_; |
| |
| // Minimum/maximum zoom percent. |
| int minimum_zoom_percent_; |
| int maximum_zoom_percent_; |
| |
| // Used to correctly handle integer zooming through a smooth scroll device. |
| float zoom_scroll_remainder_; |
| |
| // The intrinsic size of the page. |
| gfx::Size preferred_size_; |
| |
| // The preferred size for content screen capture. When |capturer_count_| > 0, |
| // this overrides |preferred_size_|. |
| gfx::Size preferred_size_for_capture_; |
| |
| #if defined(OS_ANDROID) && !defined(USE_AURA) |
| // Date time chooser opened by this tab. |
| // Only used in Android since all other platforms use a multi field UI. |
| scoped_ptr<DateTimeChooserAndroid> date_time_chooser_; |
| #endif |
| |
| // Holds information about a current color chooser dialog, if one is visible. |
| struct ColorChooserInfo { |
| ColorChooserInfo(int render_process_id, |
| int render_frame_id, |
| ColorChooser* chooser, |
| int identifier); |
| ~ColorChooserInfo(); |
| |
| int render_process_id; |
| int render_frame_id; |
| |
| // Color chooser that was opened by this tab. |
| scoped_ptr<ColorChooser> chooser; |
| |
| // A unique identifier for the current color chooser. Identifiers are |
| // unique across a renderer process. This avoids race conditions in |
| // synchronizing the browser and renderer processes. For example, if a |
| // renderer closes one chooser and opens another, and simultaneously the |
| // user picks a color in the first chooser, the IDs can be used to drop the |
| // "chose a color" message rather than erroneously tell the renderer that |
| // the user picked a color in the second chooser. |
| int identifier; |
| }; |
| |
| scoped_ptr<ColorChooserInfo> color_chooser_info_; |
| |
| // Manages the embedder state for browser plugins, if this WebContents is an |
| // embedder; NULL otherwise. |
| scoped_ptr<BrowserPluginEmbedder> browser_plugin_embedder_; |
| // Manages the guest state for browser plugin, if this WebContents is a guest; |
| // NULL otherwise. |
| scoped_ptr<BrowserPluginGuest> browser_plugin_guest_; |
| |
| #if defined(ENABLE_PLUGINS) |
| // Manages the whitelist of plugin content origins exempt from power saving. |
| scoped_ptr<PluginContentOriginWhitelist> plugin_content_origin_whitelist_; |
| #endif |
| |
| // This must be at the end, or else we might get notifications and use other |
| // member variables that are gone. |
| NotificationRegistrar registrar_; |
| |
| // Used during IPC message dispatching from the RenderView/RenderFrame so that |
| // the handlers can get a pointer to the RVH through which the message was |
| // received. |
| RenderViewHost* render_view_message_source_; |
| RenderFrameHost* render_frame_message_source_; |
| |
| // All live RenderWidgetHostImpls that are created by this object and may |
| // outlive it. |
| std::set<RenderWidgetHostImpl*> created_widgets_; |
| |
| // Routing id of the shown fullscreen widget or MSG_ROUTING_NONE otherwise. |
| int fullscreen_widget_routing_id_; |
| |
| // At the time the fullscreen widget was being shut down, did it have focus? |
| // This is used to restore focus to the WebContentsView after both: 1) the |
| // fullscreen widget is destroyed, and 2) the WebContentsDelegate has |
| // completed making layout changes to effect an exit from fullscreen mode. |
| bool fullscreen_widget_had_focus_at_shutdown_; |
| |
| // Whether this WebContents is responsible for displaying a subframe in a |
| // different process from its parent page. |
| bool is_subframe_; |
| |
| // When a new tab is created asynchronously, stores the OpenURLParams needed |
| // to continue loading the page once the tab is ready. |
| scoped_ptr<OpenURLParams> delayed_open_url_params_; |
| |
| // Whether overscroll should be unconditionally disabled. |
| bool force_disable_overscroll_content_; |
| |
| // Whether the last JavaScript dialog shown was suppressed. Used for testing. |
| bool last_dialog_suppressed_; |
| |
| scoped_ptr<GeolocationServiceContext> geolocation_service_context_; |
| |
| scoped_ptr<WakeLockServiceContext> wake_lock_service_context_; |
| |
| scoped_ptr<ScreenOrientationDispatcherHost> |
| screen_orientation_dispatcher_host_; |
| |
| scoped_ptr<ManifestManagerHost> manifest_manager_host_; |
| |
| // The accessibility mode for all frames. This is queried when each frame |
| // is created, and broadcast to all frames when it changes. |
| AccessibilityMode accessibility_mode_; |
| |
| // Monitors power levels for audio streams associated with this WebContents. |
| AudioStreamMonitor audio_stream_monitor_; |
| |
| // Created on-demand to mute all audio output from this WebContents. |
| scoped_ptr<WebContentsAudioMuter> audio_muter_; |
| |
| bool virtual_keyboard_requested_; |
| |
| // Manages media players, CDMs, and power save blockers for media. |
| scoped_ptr<MediaWebContentsObserver> media_web_contents_observer_; |
| |
| scoped_ptr<RenderWidgetHostInputEventRouter> rwh_input_event_router_; |
| |
| PageImportanceSignals page_importance_signals_; |
| |
| bool page_scale_factor_is_one_; |
| |
| base::WeakPtrFactory<WebContentsImpl> loading_weak_factory_; |
| base::WeakPtrFactory<WebContentsImpl> weak_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebContentsImpl); |
| }; |
| |
| // Dangerous methods which should never be made part of the public API, so we |
| // grant their use only to an explicit friend list (c++ attorney/client idiom). |
| class CONTENT_EXPORT WebContentsImpl::FriendZone { |
| private: |
| friend class TestNavigationObserver; |
| friend class WebContentsAddedObserver; |
| friend class ContentBrowserSanityChecker; |
| |
| FriendZone(); // Not instantiable. |
| |
| // Adds/removes a callback called on creation of each new WebContents. |
| static void AddCreatedCallbackForTesting(const CreatedCallback& callback); |
| static void RemoveCreatedCallbackForTesting(const CreatedCallback& callback); |
| |
| DISALLOW_COPY_AND_ASSIGN(FriendZone); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_ |
