| // 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 <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/memory/scoped_ptr.h" |
| #include "base/observer_list.h" |
| #include "base/process/process.h" |
| #include "base/values.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_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/common/page_transition_types.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/gfx/rect_f.h" |
| #include "ui/gfx/size.h" |
| |
| struct BrowserPluginHostMsg_ResizeGuest_Params; |
| struct ViewHostMsg_DateTimeDialogValue_Params; |
| struct ViewMsg_PostMessage_Params; |
| |
| namespace content { |
| class BrowserPluginEmbedder; |
| class BrowserPluginGuest; |
| class BrowserPluginGuestManager; |
| class DateTimeChooserAndroid; |
| class DownloadItem; |
| class GeolocationDispatcherHost; |
| class InterstitialPageImpl; |
| class JavaScriptDialogManager; |
| class MidiDispatcherHost; |
| class PowerSaveBlocker; |
| class RenderViewHost; |
| class RenderViewHostDelegateView; |
| class RenderViewHostImpl; |
| class RenderWidgetHostImpl; |
| class SavePackage; |
| class ScreenOrientationDispatcherHost; |
| class SiteInstance; |
| class TestWebContents; |
| class WebContentsDelegate; |
| class WebContentsImpl; |
| class WebContentsObserver; |
| class WebContentsView; |
| class WebContentsViewDelegate; |
| struct AXEventNotificationDetails; |
| struct ColorSuggestion; |
| struct FaviconURL; |
| struct LoadNotificationDetails; |
| struct ResourceRedirectDetails; |
| struct ResourceRequestDetails; |
| |
| #if defined(OS_ANDROID) |
| 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: |
| virtual ~WebContentsImpl(); |
| |
| static WebContentsImpl* CreateWithOpener( |
| const WebContents::CreateParams& params, |
| WebContentsImpl* opener); |
| |
| static std::vector<WebContentsImpl*> GetAllWebContents(); |
| |
| // Returns the opener WebContentsImpl, if any. This can be set to null if the |
| // opener is closed or the page clears its window.opener. |
| WebContentsImpl* opener() const { return opener_; } |
| |
| // 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) |
| // 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 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; |
| |
| // 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( |
| RenderViewHost* render_view_host, |
| const ResourceRedirectDetails& details); |
| |
| WebContentsView* GetView() const; |
| |
| GeolocationDispatcherHost* geolocation_dispatcher_host() { |
| return geolocation_dispatcher_host_.get(); |
| } |
| |
| ScreenOrientationDispatcherHost* screen_orientation_dispatcher_host() { |
| return screen_orientation_dispatcher_host_.get(); |
| } |
| |
| bool should_normally_be_visible() { return should_normally_be_visible_; } |
| |
| // 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); |
| |
| // WebContents ------------------------------------------------------ |
| virtual WebContentsDelegate* GetDelegate() OVERRIDE; |
| virtual void SetDelegate(WebContentsDelegate* delegate) OVERRIDE; |
| virtual NavigationControllerImpl& GetController() OVERRIDE; |
| virtual const NavigationControllerImpl& GetController() const OVERRIDE; |
| virtual BrowserContext* GetBrowserContext() const OVERRIDE; |
| virtual const GURL& GetURL() const OVERRIDE; |
| virtual const GURL& GetVisibleURL() const OVERRIDE; |
| virtual const GURL& GetLastCommittedURL() const OVERRIDE; |
| virtual RenderProcessHost* GetRenderProcessHost() const OVERRIDE; |
| virtual RenderFrameHost* GetMainFrame() OVERRIDE; |
| virtual RenderFrameHost* GetFocusedFrame() OVERRIDE; |
| virtual void ForEachFrame( |
| const base::Callback<void(RenderFrameHost*)>& on_frame) OVERRIDE; |
| virtual void SendToAllFrames(IPC::Message* message) OVERRIDE; |
| virtual RenderViewHost* GetRenderViewHost() const OVERRIDE; |
| virtual int GetRoutingID() const OVERRIDE; |
| virtual RenderWidgetHostView* GetRenderWidgetHostView() const OVERRIDE; |
| virtual RenderWidgetHostView* GetFullscreenRenderWidgetHostView() const |
| OVERRIDE; |
| virtual WebUI* CreateWebUI(const GURL& url) OVERRIDE; |
| virtual WebUI* GetWebUI() const OVERRIDE; |
| virtual WebUI* GetCommittedWebUI() const OVERRIDE; |
| virtual void SetUserAgentOverride(const std::string& override) OVERRIDE; |
| virtual const std::string& GetUserAgentOverride() const OVERRIDE; |
| virtual void EnableTreeOnlyAccessibilityMode() OVERRIDE; |
| virtual bool IsTreeOnlyAccessibilityModeForTesting() const OVERRIDE; |
| virtual bool IsFullAccessibilityModeForTesting() const OVERRIDE; |
| #if defined(OS_WIN) |
| virtual void SetParentNativeViewAccessible( |
| gfx::NativeViewAccessible accessible_parent) OVERRIDE; |
| #endif |
| virtual const base::string16& GetTitle() const OVERRIDE; |
| virtual int32 GetMaxPageID() OVERRIDE; |
| virtual int32 GetMaxPageIDForSiteInstance( |
| SiteInstance* site_instance) OVERRIDE; |
| virtual SiteInstance* GetSiteInstance() const OVERRIDE; |
| virtual SiteInstance* GetPendingSiteInstance() const OVERRIDE; |
| virtual bool IsLoading() const OVERRIDE; |
| virtual bool IsLoadingToDifferentDocument() const OVERRIDE; |
| virtual bool IsWaitingForResponse() const OVERRIDE; |
| virtual const net::LoadStateWithParam& GetLoadState() const OVERRIDE; |
| virtual const base::string16& GetLoadStateHost() const OVERRIDE; |
| virtual uint64 GetUploadSize() const OVERRIDE; |
| virtual uint64 GetUploadPosition() const OVERRIDE; |
| virtual std::set<GURL> GetSitesInTab() const OVERRIDE; |
| virtual const std::string& GetEncoding() const OVERRIDE; |
| virtual bool DisplayedInsecureContent() const OVERRIDE; |
| virtual void IncrementCapturerCount(const gfx::Size& capture_size) OVERRIDE; |
| virtual void DecrementCapturerCount() OVERRIDE; |
| virtual int GetCapturerCount() const OVERRIDE; |
| virtual bool IsCrashed() const OVERRIDE; |
| virtual void SetIsCrashed(base::TerminationStatus status, |
| int error_code) OVERRIDE; |
| virtual base::TerminationStatus GetCrashedStatus() const OVERRIDE; |
| virtual bool IsBeingDestroyed() const OVERRIDE; |
| virtual void NotifyNavigationStateChanged( |
| InvalidateTypes changed_flags) OVERRIDE; |
| virtual base::TimeTicks GetLastActiveTime() const OVERRIDE; |
| virtual void WasShown() OVERRIDE; |
| virtual void WasHidden() OVERRIDE; |
| virtual bool NeedToFireBeforeUnload() OVERRIDE; |
| virtual void DispatchBeforeUnload(bool for_cross_site_transition) OVERRIDE; |
| virtual void Stop() OVERRIDE; |
| virtual WebContents* Clone() OVERRIDE; |
| virtual void ReloadFocusedFrame(bool ignore_cache) OVERRIDE; |
| virtual void Undo() OVERRIDE; |
| virtual void Redo() OVERRIDE; |
| virtual void Cut() OVERRIDE; |
| virtual void Copy() OVERRIDE; |
| virtual void CopyToFindPboard() OVERRIDE; |
| virtual void Paste() OVERRIDE; |
| virtual void PasteAndMatchStyle() OVERRIDE; |
| virtual void Delete() OVERRIDE; |
| virtual void SelectAll() OVERRIDE; |
| virtual void Unselect() OVERRIDE; |
| virtual void Replace(const base::string16& word) OVERRIDE; |
| virtual void ReplaceMisspelling(const base::string16& word) OVERRIDE; |
| virtual void NotifyContextMenuClosed( |
| const CustomContextMenuContext& context) OVERRIDE; |
| virtual void ExecuteCustomContextMenuCommand( |
| int action, const CustomContextMenuContext& context) OVERRIDE; |
| virtual gfx::NativeView GetNativeView() OVERRIDE; |
| virtual gfx::NativeView GetContentNativeView() OVERRIDE; |
| virtual gfx::NativeWindow GetTopLevelNativeWindow() OVERRIDE; |
| virtual gfx::Rect GetContainerBounds() OVERRIDE; |
| virtual gfx::Rect GetViewBounds() OVERRIDE; |
| virtual DropData* GetDropData() OVERRIDE; |
| virtual void Focus() OVERRIDE; |
| virtual void SetInitialFocus() OVERRIDE; |
| virtual void StoreFocus() OVERRIDE; |
| virtual void RestoreFocus() OVERRIDE; |
| virtual void FocusThroughTabTraversal(bool reverse) OVERRIDE; |
| virtual bool ShowingInterstitialPage() const OVERRIDE; |
| virtual InterstitialPage* GetInterstitialPage() const OVERRIDE; |
| virtual bool IsSavable() OVERRIDE; |
| virtual void OnSavePage() OVERRIDE; |
| virtual bool SavePage(const base::FilePath& main_file, |
| const base::FilePath& dir_path, |
| SavePageType save_type) OVERRIDE; |
| virtual void SaveFrame(const GURL& url, |
| const Referrer& referrer) OVERRIDE; |
| virtual void GenerateMHTML( |
| const base::FilePath& file, |
| const base::Callback<void(int64)>& callback) |
| OVERRIDE; |
| virtual const std::string& GetContentsMimeType() const OVERRIDE; |
| virtual bool WillNotifyDisconnection() const OVERRIDE; |
| virtual void SetOverrideEncoding(const std::string& encoding) OVERRIDE; |
| virtual void ResetOverrideEncoding() OVERRIDE; |
| virtual RendererPreferences* GetMutableRendererPrefs() OVERRIDE; |
| virtual void Close() OVERRIDE; |
| virtual void SystemDragEnded() OVERRIDE; |
| virtual void UserGestureDone() OVERRIDE; |
| virtual void SetClosedByUserGesture(bool value) OVERRIDE; |
| virtual bool GetClosedByUserGesture() const OVERRIDE; |
| virtual void ViewSource() OVERRIDE; |
| virtual void ViewFrameSource(const GURL& url, |
| const PageState& page_state) OVERRIDE; |
| virtual int GetMinimumZoomPercent() const OVERRIDE; |
| virtual int GetMaximumZoomPercent() const OVERRIDE; |
| virtual gfx::Size GetPreferredSize() const OVERRIDE; |
| virtual bool GotResponseToLockMouseRequest(bool allowed) OVERRIDE; |
| virtual bool HasOpener() const OVERRIDE; |
| virtual void DidChooseColorInColorChooser(SkColor color) OVERRIDE; |
| virtual void DidEndColorChooser() OVERRIDE; |
| virtual int DownloadImage(const GURL& url, |
| bool is_favicon, |
| uint32_t max_bitmap_size, |
| const ImageDownloadCallback& callback) OVERRIDE; |
| virtual bool IsSubframe() const OVERRIDE; |
| virtual void Find(int request_id, |
| const base::string16& search_text, |
| const blink::WebFindOptions& options) OVERRIDE; |
| virtual void StopFinding(StopFindAction action) OVERRIDE; |
| virtual void InsertCSS(const std::string& css) OVERRIDE; |
| virtual bool WasRecentlyAudible() OVERRIDE; |
| #if defined(OS_ANDROID) |
| virtual base::android::ScopedJavaLocalRef<jobject> GetJavaWebContents() |
| OVERRIDE; |
| virtual WebContentsAndroid* GetWebContentsAndroid(); |
| #elif defined(OS_MACOSX) |
| virtual void SetAllowOtherViews(bool allow) OVERRIDE; |
| virtual bool GetAllowOtherViews() OVERRIDE; |
| #endif |
| |
| // Implementation of PageNavigator. |
| virtual WebContents* OpenURL(const OpenURLParams& params) OVERRIDE; |
| |
| // Implementation of IPC::Sender. |
| virtual bool Send(IPC::Message* message) OVERRIDE; |
| |
| // RenderFrameHostDelegate --------------------------------------------------- |
| virtual bool OnMessageReceived(RenderFrameHost* render_frame_host, |
| const IPC::Message& message) OVERRIDE; |
| virtual const GURL& GetMainFrameLastCommittedURL() const OVERRIDE; |
| virtual void RenderFrameCreated(RenderFrameHost* render_frame_host) OVERRIDE; |
| virtual void RenderFrameDeleted(RenderFrameHost* render_frame_host) OVERRIDE; |
| virtual void DidStartLoading(RenderFrameHost* render_frame_host, |
| bool to_different_document) OVERRIDE; |
| virtual void SwappedOut(RenderFrameHost* render_frame_host) OVERRIDE; |
| virtual void DidDeferAfterResponseStarted( |
| const TransitionLayerData& transition_data) OVERRIDE; |
| virtual bool WillHandleDeferAfterResponseStarted() OVERRIDE; |
| virtual void WorkerCrashed(RenderFrameHost* render_frame_host) OVERRIDE; |
| virtual void ShowContextMenu(RenderFrameHost* render_frame_host, |
| const ContextMenuParams& params) OVERRIDE; |
| virtual 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; |
| virtual void RunBeforeUnloadConfirm(RenderFrameHost* render_frame_host, |
| const base::string16& message, |
| bool is_reload, |
| IPC::Message* reply_msg) OVERRIDE; |
| virtual void DidAccessInitialDocument() OVERRIDE; |
| virtual void DidDisownOpener(RenderFrameHost* render_frame_host) OVERRIDE; |
| virtual void DocumentOnLoadCompleted( |
| RenderFrameHost* render_frame_host) OVERRIDE; |
| virtual void UpdateTitle(RenderFrameHost* render_frame_host, |
| int32 page_id, |
| const base::string16& title, |
| base::i18n::TextDirection title_direction) OVERRIDE; |
| virtual void UpdateEncoding(RenderFrameHost* render_frame_host, |
| const std::string& encoding) OVERRIDE; |
| virtual WebContents* GetAsWebContents() OVERRIDE; |
| virtual bool IsNeverVisible() OVERRIDE; |
| virtual AccessibilityMode GetAccessibilityMode() const OVERRIDE; |
| virtual void AccessibilityEventReceived( |
| const std::vector<AXEventNotificationDetails>& details) OVERRIDE; |
| virtual RenderFrameHost* GetGuestByInstanceID(int browser_plugin_instance_id) |
| OVERRIDE; |
| #if defined(OS_WIN) |
| virtual gfx::NativeViewAccessible GetParentNativeViewAccessible() OVERRIDE; |
| #endif |
| |
| // RenderViewHostDelegate ---------------------------------------------------- |
| virtual RenderViewHostDelegateView* GetDelegateView() OVERRIDE; |
| virtual 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. |
| // virtual WebContents* GetAsWebContents() OVERRIDE; |
| virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE; |
| virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE; |
| virtual void RenderViewReady(RenderViewHost* render_view_host) OVERRIDE; |
| virtual void RenderViewTerminated(RenderViewHost* render_view_host, |
| base::TerminationStatus status, |
| int error_code) OVERRIDE; |
| virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE; |
| virtual void UpdateState(RenderViewHost* render_view_host, |
| int32 page_id, |
| const PageState& page_state) OVERRIDE; |
| virtual void UpdateTargetURL(int32 page_id, const GURL& url) OVERRIDE; |
| virtual void Close(RenderViewHost* render_view_host) OVERRIDE; |
| virtual void RequestMove(const gfx::Rect& new_bounds) OVERRIDE; |
| virtual void DidCancelLoading() OVERRIDE; |
| virtual void DocumentAvailableInMainFrame( |
| RenderViewHost* render_view_host) OVERRIDE; |
| virtual void RouteCloseEvent(RenderViewHost* rvh) OVERRIDE; |
| virtual void RouteMessageEvent( |
| RenderViewHost* rvh, |
| const ViewMsg_PostMessage_Params& params) OVERRIDE; |
| virtual bool AddMessageToConsole(int32 level, |
| const base::string16& message, |
| int32 line_no, |
| const base::string16& source_id) OVERRIDE; |
| virtual RendererPreferences GetRendererPrefs( |
| BrowserContext* browser_context) const OVERRIDE; |
| virtual WebPreferences ComputeWebkitPrefs() OVERRIDE; |
| virtual void OnUserGesture() OVERRIDE; |
| virtual void OnIgnoredUIEvent() OVERRIDE; |
| virtual void RendererUnresponsive(RenderViewHost* render_view_host, |
| bool is_during_beforeunload, |
| bool is_during_unload) OVERRIDE; |
| virtual void RendererResponsive(RenderViewHost* render_view_host) OVERRIDE; |
| virtual void LoadStateChanged(const GURL& url, |
| const net::LoadStateWithParam& load_state, |
| uint64 upload_position, |
| uint64 upload_size) OVERRIDE; |
| virtual void Activate() OVERRIDE; |
| virtual void Deactivate() OVERRIDE; |
| virtual void LostCapture() OVERRIDE; |
| virtual void HandleMouseDown() OVERRIDE; |
| virtual void HandleMouseUp() OVERRIDE; |
| virtual void HandlePointerActivate() OVERRIDE; |
| virtual void HandleGestureBegin() OVERRIDE; |
| virtual void HandleGestureEnd() OVERRIDE; |
| virtual void RunFileChooser( |
| RenderViewHost* render_view_host, |
| const FileChooserParams& params) OVERRIDE; |
| virtual void ToggleFullscreenMode(bool enter_fullscreen) OVERRIDE; |
| virtual bool IsFullscreenForCurrentTab() const OVERRIDE; |
| virtual void UpdatePreferredSize(const gfx::Size& pref_size) OVERRIDE; |
| virtual void ResizeDueToAutoResize(const gfx::Size& new_size) OVERRIDE; |
| virtual void RequestToLockMouse(bool user_gesture, |
| bool last_unlocked_by_target) OVERRIDE; |
| virtual void LostMouseLock() OVERRIDE; |
| virtual void CreateNewWindow( |
| int render_process_id, |
| int route_id, |
| int main_frame_route_id, |
| const ViewHostMsg_CreateWindow_Params& params, |
| SessionStorageNamespace* session_storage_namespace) OVERRIDE; |
| virtual void CreateNewWidget(int render_process_id, |
| int route_id, |
| blink::WebPopupType popup_type) OVERRIDE; |
| virtual void CreateNewFullscreenWidget(int render_process_id, |
| int route_id) OVERRIDE; |
| virtual void ShowCreatedWindow(int route_id, |
| WindowOpenDisposition disposition, |
| const gfx::Rect& initial_pos, |
| bool user_gesture) OVERRIDE; |
| virtual void ShowCreatedWidget(int route_id, |
| const gfx::Rect& initial_pos) OVERRIDE; |
| virtual void ShowCreatedFullscreenWidget(int route_id) OVERRIDE; |
| virtual void RequestMediaAccessPermission( |
| const MediaStreamRequest& request, |
| const MediaResponseCallback& callback) OVERRIDE; |
| virtual SessionStorageNamespace* GetSessionStorageNamespace( |
| SiteInstance* instance) OVERRIDE; |
| virtual SessionStorageNamespaceMap GetSessionStorageNamespaceMap() OVERRIDE; |
| virtual FrameTree* GetFrameTree() OVERRIDE; |
| |
| // NavigatorDelegate --------------------------------------------------------- |
| |
| virtual void DidStartProvisionalLoad( |
| RenderFrameHostImpl* render_frame_host, |
| const GURL& validated_url, |
| bool is_error_page, |
| bool is_iframe_srcdoc) OVERRIDE; |
| virtual void DidStartNavigationTransition( |
| RenderFrameHostImpl* render_frame_host) OVERRIDE; |
| virtual void DidFailProvisionalLoadWithError( |
| RenderFrameHostImpl* render_frame_host, |
| const FrameHostMsg_DidFailProvisionalLoadWithError_Params& params) |
| OVERRIDE; |
| virtual void DidFailLoadWithError( |
| RenderFrameHostImpl* render_frame_host, |
| const GURL& url, |
| int error_code, |
| const base::string16& error_description) OVERRIDE; |
| virtual void DidRedirectProvisionalLoad( |
| RenderFrameHostImpl* render_frame_host, |
| const GURL& validated_target_url) OVERRIDE; |
| virtual void DidCommitProvisionalLoad( |
| RenderFrameHostImpl* render_frame_host, |
| const GURL& url, |
| PageTransition transition_type) OVERRIDE; |
| virtual void DidNavigateMainFramePreCommit( |
| bool navigation_is_within_page) OVERRIDE; |
| virtual void DidNavigateMainFramePostCommit( |
| const LoadCommittedDetails& details, |
| const FrameHostMsg_DidCommitProvisionalLoad_Params& params) OVERRIDE; |
| virtual void DidNavigateAnyFramePostCommit( |
| RenderFrameHostImpl* render_frame_host, |
| const LoadCommittedDetails& details, |
| const FrameHostMsg_DidCommitProvisionalLoad_Params& params) OVERRIDE; |
| virtual void SetMainFrameMimeType(const std::string& mime_type) OVERRIDE; |
| virtual bool CanOverscrollContent() const OVERRIDE; |
| virtual void NotifyChangedNavigationState( |
| InvalidateTypes changed_flags) OVERRIDE; |
| virtual void AboutToNavigateRenderFrame( |
| RenderFrameHostImpl* render_frame_host) OVERRIDE; |
| virtual void DidStartNavigationToPendingEntry( |
| RenderFrameHostImpl* render_frame_host, |
| const GURL& url, |
| NavigationController::ReloadType reload_type) OVERRIDE; |
| virtual void RequestOpenURL(RenderFrameHostImpl* render_frame_host, |
| const OpenURLParams& params) OVERRIDE; |
| virtual bool ShouldPreserveAbortedURLs() OVERRIDE; |
| |
| // RenderWidgetHostDelegate -------------------------------------------------- |
| |
| virtual void RenderWidgetDeleted( |
| RenderWidgetHostImpl* render_widget_host) OVERRIDE; |
| virtual bool PreHandleKeyboardEvent( |
| const NativeWebKeyboardEvent& event, |
| bool* is_keyboard_shortcut) OVERRIDE; |
| virtual void HandleKeyboardEvent( |
| const NativeWebKeyboardEvent& event) OVERRIDE; |
| virtual bool HandleWheelEvent( |
| const blink::WebMouseWheelEvent& event) OVERRIDE; |
| virtual bool PreHandleGestureEvent( |
| const blink::WebGestureEvent& event) OVERRIDE; |
| virtual bool HandleGestureEvent( |
| const blink::WebGestureEvent& event) OVERRIDE; |
| virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) OVERRIDE; |
| virtual BrowserAccessibilityManager* GetRootBrowserAccessibilityManager() |
| OVERRIDE; |
| virtual BrowserAccessibilityManager* |
| GetOrCreateRootBrowserAccessibilityManager() OVERRIDE; |
| |
| // RenderFrameHostManager::Delegate ------------------------------------------ |
| |
| virtual bool CreateRenderViewForRenderManager( |
| RenderViewHost* render_view_host, |
| int opener_route_id, |
| int proxy_routing_id, |
| bool for_main_frame_navigation) OVERRIDE; |
| virtual bool CreateRenderFrameForRenderManager( |
| RenderFrameHost* render_frame_host, |
| int parent_routing_id) OVERRIDE; |
| virtual void BeforeUnloadFiredFromRenderManager( |
| bool proceed, const base::TimeTicks& proceed_time, |
| bool* proceed_to_fire_unload) OVERRIDE; |
| virtual void RenderProcessGoneFromRenderManager( |
| RenderViewHost* render_view_host) OVERRIDE; |
| virtual void UpdateRenderViewSizeForRenderManager() OVERRIDE; |
| virtual void CancelModalDialogsForRenderManager() OVERRIDE; |
| virtual void NotifySwappedFromRenderManager(RenderFrameHost* old_host, |
| RenderFrameHost* new_host, |
| bool is_main_frame) OVERRIDE; |
| virtual int CreateOpenerRenderViewsForRenderManager( |
| SiteInstance* instance) OVERRIDE; |
| virtual NavigationControllerImpl& |
| GetControllerForRenderManager() OVERRIDE; |
| virtual WebUIImpl* CreateWebUIForRenderManager(const GURL& url) OVERRIDE; |
| virtual NavigationEntry* |
| GetLastCommittedNavigationEntryForRenderManager() OVERRIDE; |
| virtual bool FocusLocationBarByDefault() OVERRIDE; |
| virtual void SetFocusToLocationBar(bool select_all) OVERRIDE; |
| virtual void CreateViewAndSetSizeForRVH(RenderViewHost* rvh) OVERRIDE; |
| virtual bool IsHidden() OVERRIDE; |
| |
| // NotificationObserver ------------------------------------------------------ |
| |
| virtual void Observe(int type, |
| const NotificationSource& source, |
| const NotificationDetails& details) OVERRIDE; |
| |
| // NavigationControllerDelegate ---------------------------------------------- |
| |
| virtual WebContents* GetWebContents() OVERRIDE; |
| virtual void NotifyNavigationEntryCommitted( |
| const LoadCommittedDetails& load_details) OVERRIDE; |
| |
| // Invoked before a form repost warning is shown. |
| virtual void NotifyBeforeFormRepostWarningShow() OVERRIDE; |
| |
| // Activate this WebContents and show a form repost warning. |
| virtual 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. |
| virtual bool HasAccessedInitialDocument() OVERRIDE; |
| |
| // Updates the max page ID for the current SiteInstance in this |
| // WebContentsImpl to be at least |page_id|. |
| virtual void UpdateMaxPageID(int32 page_id) OVERRIDE; |
| |
| // Updates the max page ID for the given SiteInstance in this WebContentsImpl |
| // to be at least |page_id|. |
| virtual void UpdateMaxPageIDForSiteInstance(SiteInstance* site_instance, |
| int32 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|. |
| virtual void CopyMaxPageIDsFrom(WebContents* web_contents) OVERRIDE; |
| |
| // Called by the NavigationController to cause the WebContentsImpl to navigate |
| // to the current pending entry. The NavigationController should be called |
| // back with RendererDidNavigate on success or DiscardPendingEntry on failure. |
| // The callbacks can be inside of this function, or at some future time. |
| // |
| // The entry has a PageID of -1 if newly created (corresponding to navigation |
| // to a new URL). |
| // |
| // If this method returns false, then the navigation is discarded (equivalent |
| // to calling DiscardPendingEntry on the NavigationController). |
| virtual bool NavigateToPendingEntry( |
| NavigationController::ReloadType reload_type) OVERRIDE; |
| |
| // Sets the history for this WebContentsImpl to |history_length| entries, and |
| // moves the current page_id to the last entry in the list if it's valid. |
| // This is mainly used when a prerendered page is swapped into the current |
| // tab. The method is virtual for testing. |
| virtual void SetHistoryLengthAndPrune( |
| const SiteInstance* site_instance, |
| int merge_history_length, |
| int32 minimum_page_id) OVERRIDE; |
| |
| // Called by InterstitialPageImpl when it creates a RenderFrameHost. |
| virtual void RenderFrameForInterstitialPageCreated( |
| RenderFrameHost* render_frame_host) OVERRIDE; |
| |
| // Sets the passed interstitial as the currently showing interstitial. |
| // No interstitial page should already be attached. |
| virtual void AttachInterstitialPage( |
| InterstitialPageImpl* interstitial_page) OVERRIDE; |
| |
| // Unsets the currently showing interstitial. |
| virtual 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). |
| virtual void SetIsLoading(RenderViewHost* render_view_host, |
| bool is_loading, |
| bool to_different_document, |
| LoadNotificationDetails* details) OVERRIDE; |
| |
| typedef base::Callback<void(WebContents*)> CreatedCallback; |
| |
| // Requests the renderer to select the region between two points in the |
| // currently focused frame. |
| void SelectRange(const gfx::Point& start, const gfx::Point& end); |
| |
| // Notifies the main frame that it can continue navigation (if it was deferred |
| // immediately at first response). |
| void ResumeResponseDeferredAtStart(); |
| |
| // Forces overscroll to be disabled (used by touch emulation). |
| void SetForceDisableOverscrollContent(bool force_disable); |
| |
| AudioStreamMonitor* audio_stream_monitor() { |
| return &audio_stream_monitor_; |
| } |
| |
| bool has_audio_power_save_blocker_for_testing() const { |
| return audio_power_save_blocker_; |
| } |
| |
| bool has_video_power_save_blocker_for_testing() const { |
| return video_power_save_blocker_; |
| } |
| |
| private: |
| friend class TestNavigationObserver; |
| friend class WebContentsAddedObserver; |
| 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(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; |
| |
| // See WebContents::Create for a description of these parameters. |
| WebContentsImpl(BrowserContext* browser_context, |
| WebContentsImpl* opener); |
| |
| // 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 this tab's opener if it has been closed. |
| 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(); |
| |
| // 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); |
| |
| // Callback function when requesting permission to access the PPAPI broker. |
| // |result| is true if permission was granted. |
| void OnPpapiBrokerPermissionResult(int routing_id, bool result); |
| |
| bool OnMessageReceived(RenderViewHost* render_view_host, |
| RenderFrameHost* render_frame_host, |
| const IPC::Message& message); |
| |
| // 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 std::string& security_origin, |
| const GURL& target_url); |
| void OnDocumentLoadedInFrame(); |
| void OnDidFinishLoad(const GURL& url); |
| void OnDidStartLoading(bool to_different_document); |
| void OnDidStopLoading(); |
| void OnDidChangeLoadProgress(double load_progress); |
| void OnGoToEntryAtOffset(int offset); |
| void OnUpdateZoomLimits(int minimum_percent, |
| int maximum_percent); |
| 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) |
| void OnFindMatchRectsReply(int version, |
| const std::vector<gfx::RectF>& rects, |
| const gfx::RectF& active_rect); |
| |
| void OnOpenDateTimeDialog( |
| const ViewHostMsg_DateTimeDialogValue_Params& value); |
| #endif |
| 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 OnDomOperationResponse(const std::string& json_string, |
| int automation_id); |
| 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 OnRequestPpapiBrokerPermission(int routing_id, |
| const GURL& url, |
| const base::FilePath& plugin_path); |
| void OnBrowserPluginMessage(const IPC::Message& message); |
| void OnDidDownloadImage(int id, |
| int http_status_code, |
| const GURL& image_url, |
| const std::vector<SkBitmap>& bitmaps, |
| const std::vector<gfx::Size>& original_bitmap_sizes); |
| void OnUpdateFaviconURL(const std::vector<FaviconURL>& candidates); |
| void OnFirstVisuallyNonEmptyPaint(); |
| void OnMediaPlayingNotification(int64 player_cookie, |
| bool has_video, |
| bool has_audio); |
| void OnMediaPausedNotification(int64 player_cookie); |
| 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); |
| |
| // Recursively creates swapped out RenderViews for this tab's opener chain |
| // (including this tab) in the given SiteInstance, allowing other tabs to send |
| // cross-process JavaScript calls to their opener(s). Returns the route ID of |
| // this tab's RenderView for |instance|. |
| int CreateOpenerRenderViews(SiteInstance* instance); |
| |
| // Helper for CreateNewWidget/CreateNewFullscreenWidget. |
| void CreateNewWidget(int render_process_id, |
| int 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_pos); |
| |
| // 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. |
| void ResetLoadProgressState(); |
| |
| // Calculates the progress of the current load and notifies the delegate. |
| void SendLoadProgressChanged(); |
| |
| // Called once when the last frame on the page has stopped loading. |
| void DidStopLoading(RenderFrameHost* render_frame_host); |
| |
| // Misc non-view stuff ------------------------------------------------------- |
| |
| // 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; |
| |
| RenderViewHostImpl* GetRenderViewHostImpl(); |
| |
| // Removes browser plugin embedder if there is one. |
| void RemoveBrowserPluginEmbedder(); |
| |
| // Clear |render_frame_host|'s tracking entry for its power save blockers. |
| void ClearPowerSaveBlockers(RenderFrameHost* render_frame_host); |
| |
| // Clear tracking entries for all RenderFrameHosts, clears |
| // |audio_power_save_blocker_| and |video_power_save_blocker_|. |
| void ClearAllPowerSaveBlockers(); |
| |
| // Creates an audio or video power save blocker respectively. |
| void CreateAudioPowerSaveBlocker(); |
| void CreateVideoPowerSaveBlocker(); |
| |
| // Releases the audio power save blockers if |active_audio_players_| is empty. |
| // Likewise, releases the video power save blockers if |active_video_players_| |
| // is empty. |
| void MaybeReleasePowerSaveBlockers(); |
| |
| // 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); |
| |
| // Helper methods for adding or removing player entries in |player_map| under |
| // the key |render_frame_message_source_|. |
| typedef std::vector<int64> PlayerList; |
| typedef std::map<uintptr_t, PlayerList> ActiveMediaPlayerMap; |
| void AddMediaPlayerEntry(int64 player_cookie, |
| ActiveMediaPlayerMap* player_map); |
| void RemoveMediaPlayerEntry(int64 player_cookie, |
| ActiveMediaPlayerMap* player_map); |
| // Removes all entries from |player_map| for |render_frame_host|. |
| void RemoveAllMediaPlayerEntries(RenderFrameHost* render_frame_host, |
| ActiveMediaPlayerMap* player_map); |
| |
| // Adds/removes a callback called on creation of each new WebContents. |
| // Deprecated, about to remove. |
| static void AddCreatedCallback(const CreatedCallback& callback); |
| static void RemoveCreatedCallback(const CreatedCallback& callback); |
| |
| // 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. |
| ObserverList<WebContentsObserver> observers_; |
| |
| // The tab that opened this tab, if any. Will be set to null if the opener |
| // is closed. |
| WebContentsImpl* opener_; |
| |
| // 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 ------------------------------------------------------------ |
| |
| // Tracking variables and associated power save blockers for media playback. |
| ActiveMediaPlayerMap active_audio_players_; |
| ActiveMediaPlayerMap active_video_players_; |
| scoped_ptr<PowerSaveBlocker> audio_power_save_blocker_; |
| scoped_ptr<PowerSaveBlocker> video_power_save_blocker_; |
| |
| // Manages the frame tree of the page and process swaps in each node. |
| FrameTree frame_tree_; |
| |
| // 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, int32> max_page_ids_; |
| |
| // The current load state and the URL associated with it. |
| net::LoadStateWithParam load_state_; |
| base::string16 load_state_host_; |
| |
| // LoadingProgressMap maps FrameTreeNode IDs to a double representing that |
| // frame's completion (from 0 to 1). |
| typedef base::hash_map<int64, double> LoadingProgressMap; |
| LoadingProgressMap loading_progresses_; |
| double loading_total_progress_; |
| |
| base::TimeTicks loading_last_progress_update_; |
| |
| base::WeakPtrFactory<WebContentsImpl> loading_weak_factory_; |
| |
| // Counter to track how many frames have sent start notifications but not |
| // stop notifications. |
| int loading_frames_in_progress_; |
| |
| // Upload progress, for displaying in the status bar. |
| // Set to zero when there is no significant upload happening. |
| uint64 upload_size_; |
| uint64 upload_position_; |
| |
| // 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_; |
| |
| // 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_; |
| |
| // The raw accumulated zoom value and the actual zoom increments made for an |
| // an in-progress pinch gesture. |
| float totalPinchGestureAmount_; |
| int currentPinchZoomStepDelta_; |
| |
| // 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) |
| // 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_; |
| |
| // 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_; |
| |
| // Maps the ids of pending image downloads to their callbacks |
| typedef std::map<int, ImageDownloadCallback> ImageDownloadMap; |
| ImageDownloadMap image_download_map_; |
| |
| // Whether this WebContents is responsible for displaying a subframe in a |
| // different process from its parent page. |
| bool is_subframe_; |
| |
| // 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<GeolocationDispatcherHost> geolocation_dispatcher_host_; |
| |
| scoped_ptr<MidiDispatcherHost> midi_dispatcher_host_; |
| |
| scoped_ptr<ScreenOrientationDispatcherHost> |
| screen_orientation_dispatcher_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_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebContentsImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_ |
