// 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 #include #include #include "base/compiler_specific.h" #include "base/gtest_prod_util.h" #include "base/memory/scoped_ptr.h" #include "base/observer_list.h" #include "content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.h" #include "content/browser/renderer_host/render_view_host_delegate.h" #include "content/browser/renderer_host/render_widget_host_delegate.h" #include "content/browser/web_contents/navigation_controller_impl.h" #include "content/browser/web_contents/render_view_host_manager.h" #include "content/common/content_export.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/renderer_preferences.h" #include "content/public/common/three_d_api_types.h" #include "net/base/load_states.h" #include "ui/gfx/rect_f.h" #include "ui/gfx/size.h" #include "webkit/glue/resource_type.h" #if defined(OS_WIN) #include "base/win/scoped_handle.h" #endif struct BrowserPluginHostMsg_CreateGuest_Params; struct BrowserPluginHostMsg_ResizeGuest_Params; struct ViewMsg_PostMessage_Params; namespace webkit_glue { struct WebIntentData; struct WebIntentServiceData; } namespace content { class BrowserPluginEmbedder; class BrowserPluginGuest; class ColorChooser; class DownloadItem; class InterstitialPageImpl; class JavaScriptDialogCreator; class RenderViewHost; class RenderViewHostDelegateView; class RenderViewHostImpl; class RenderWidgetHostImpl; class SavePackage; class SessionStorageNamespaceImpl; class SiteInstance; class TestWebContents; class WebContentsDelegate; class WebContentsImpl; class WebContentsObserver; class WebContentsView; class WebContentsViewDelegate; struct FaviconURL; struct LoadNotificationDetails; // 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 RenderViewHostDelegate, public RenderWidgetHostDelegate, public RenderViewHostManager::Delegate, public NotificationObserver { public: virtual ~WebContentsImpl(); static WebContentsImpl* CreateWithOpener( const WebContents::CreateParams& params, WebContentsImpl* opener); // Creates a WebContents to be used as a browser plugin guest. static WebContentsImpl* CreateGuest( BrowserContext* browser_context, content::SiteInstance* site_instance, int guest_instance_id, const BrowserPluginHostMsg_CreateGuest_Params& params); // Returns the content specific prefs for the given RVH. static webkit_glue::WebPreferences GetWebkitPrefs( RenderViewHost* rvh, const GURL& url); // 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(); } // Updates the max page ID for the current SiteInstance in this // WebContentsImpl to be at least |page_id|. void UpdateMaxPageID(int32 page_id); // Updates the max page ID for the given SiteInstance in this WebContentsImpl // to be at least |page_id|. void UpdateMaxPageIDForSiteInstance(SiteInstance* site_instance, int32 page_id); // 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(WebContentsImpl* web_contents); // 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). bool NavigateToPendingEntry(NavigationController::ReloadType reload_type); // Called by InterstitialPageImpl when it creates a RenderViewHost. void RenderViewForInterstitialPageCreated(RenderViewHost* render_view_host); // Sets the passed passed interstitial as the currently showing interstitial. // |interstitial_page| should be non NULL (use the remove_interstitial_page // method to unset the interstitial) and no interstitial page should be set // when there is already a non NULL interstitial page set. void set_interstitial_page(InterstitialPageImpl* interstitial_page) { render_manager_.set_interstitial_page(interstitial_page); } // Unsets the currently showing interstitial. void remove_interstitial_page() { render_manager_.remove_interstitial_page(); } void set_opener_web_ui_type(WebUI::TypeID opener_web_ui_type) { opener_web_ui_type_ = opener_web_ui_type; } JavaBridgeDispatcherHostManager* java_bridge_dispatcher_host_manager() const { return java_bridge_dispatcher_host_manager_.get(); } // Expose the render manager for testing. RenderViewHostManager* GetRenderManagerForTesting(); // Returns guest browser plugin object, or NULL if this WebContents is not a // guest. BrowserPluginGuest* GetBrowserPluginGuest(); // Returns embedder browser plugin object, or NULL if this WebContents is not // an embedder. BrowserPluginEmbedder* GetBrowserPluginEmbedder(); void DidBlock3DAPIs(const GURL& url, ThreeDAPIType requester); // 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 RenderProcessHost* GetRenderProcessHost() const OVERRIDE; virtual RenderViewHost* GetRenderViewHost() const OVERRIDE; virtual void GetRenderViewHostAtPosition( int x, int y, const GetRenderViewHostCallback& callback) OVERRIDE; virtual int GetRoutingID() const OVERRIDE; virtual RenderWidgetHostView* GetRenderWidgetHostView() const OVERRIDE; virtual WebContentsView* GetView() 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 const 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 IsWaitingForResponse() const OVERRIDE; virtual const net::LoadStateWithParam& GetLoadState() const OVERRIDE; virtual const string16& GetLoadStateHost() const OVERRIDE; virtual uint64 GetUploadSize() const OVERRIDE; virtual uint64 GetUploadPosition() const OVERRIDE; virtual const std::string& GetEncoding() const OVERRIDE; virtual bool DisplayedInsecureContent() const OVERRIDE; virtual void SetCapturingContents(bool cap) 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(unsigned changed_flags) OVERRIDE; virtual base::TimeTicks GetLastSelectedTime() const OVERRIDE; virtual void WasShown() OVERRIDE; virtual void WasHidden() OVERRIDE; virtual bool NeedToFireBeforeUnload() OVERRIDE; virtual void Stop() OVERRIDE; virtual WebContents* Clone() OVERRIDE; virtual gfx::NativeView GetContentNativeView() const OVERRIDE; virtual gfx::NativeView GetNativeView() const OVERRIDE; virtual void GetContainerBounds(gfx::Rect* out) const OVERRIDE; virtual void Focus() 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 FilePath& main_file, const FilePath& dir_path, SavePageType save_type) OVERRIDE; virtual void GenerateMHTML( const FilePath& file, const base::Callback& callback) OVERRIDE; virtual bool IsActiveEntry(int32 page_id) 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 SetNewTabStartTime(const base::TimeTicks& time) OVERRIDE; virtual base::TimeTicks GetNewTabStartTime() const OVERRIDE; virtual void Close() OVERRIDE; virtual void OnCloseStarted() OVERRIDE; virtual bool ShouldAcceptDragAndDrop() const OVERRIDE; virtual void SystemDragEnded() OVERRIDE; virtual void UserGestureDone() OVERRIDE; virtual void SetClosedByUserGesture(bool value) OVERRIDE; virtual bool GetClosedByUserGesture() const OVERRIDE; virtual double GetZoomLevel() const OVERRIDE; virtual int GetZoomPercent(bool* enable_increment, bool* enable_decrement) const OVERRIDE; virtual void ViewSource() OVERRIDE; virtual void ViewFrameSource(const GURL& url, const std::string& content_state) OVERRIDE; virtual int GetMinimumZoomPercent() const OVERRIDE; virtual int GetMaximumZoomPercent() const OVERRIDE; virtual gfx::Size GetPreferredSize() const OVERRIDE; virtual int GetContentRestrictions() const OVERRIDE; virtual WebUI::TypeID GetWebUITypeForCurrentState() OVERRIDE; virtual WebUI* GetWebUIForCurrentState() OVERRIDE; virtual bool GotResponseToLockMouseRequest(bool allowed) OVERRIDE; virtual bool HasOpener() const OVERRIDE; virtual void DidChooseColorInColorChooser(int color_chooser_id, SkColor color) OVERRIDE; virtual void DidEndColorChooser(int color_chooser_id) OVERRIDE; virtual int DownloadFavicon(const GURL& url, int image_size, const FaviconDownloadCallback& callback) OVERRIDE; // Implementation of PageNavigator. virtual WebContents* OpenURL(const OpenURLParams& params) OVERRIDE; // Implementation of IPC::Sender. virtual bool Send(IPC::Message* message) OVERRIDE; // RenderViewHostDelegate ---------------------------------------------------- virtual RenderViewHostDelegateView* GetDelegateView() OVERRIDE; virtual RenderViewHostDelegate::RendererManagement* GetRendererManagementDelegate() OVERRIDE; virtual bool OnMessageReceived(RenderViewHost* render_view_host, const IPC::Message& message) OVERRIDE; virtual const GURL& GetURL() const OVERRIDE; 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 RenderViewGone(RenderViewHost* render_view_host, base::TerminationStatus status, int error_code) OVERRIDE; virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE; virtual void DidStartProvisionalLoadForFrame( RenderViewHost* render_view_host, int64 frame_id, int64 parent_frame_id, bool main_frame, const GURL& url) OVERRIDE; virtual void DidRedirectProvisionalLoad( RenderViewHost* render_view_host, int32 page_id, const GURL& source_url, const GURL& target_url) OVERRIDE; virtual void DidFailProvisionalLoadWithError( RenderViewHost* render_view_host, const ViewHostMsg_DidFailProvisionalLoadWithError_Params& params) OVERRIDE; virtual void DidNavigate( RenderViewHost* render_view_host, const ViewHostMsg_FrameNavigate_Params& params) OVERRIDE; virtual void UpdateState(RenderViewHost* render_view_host, int32 page_id, const std::string& state) OVERRIDE; virtual void UpdateTitle(RenderViewHost* render_view_host, int32 page_id, const string16& title, base::i18n::TextDirection title_direction) OVERRIDE; virtual void UpdateEncoding(RenderViewHost* render_view_host, const std::string& encoding) 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 SwappedOut(RenderViewHost* render_view_host) OVERRIDE; virtual void DidStartLoading(RenderViewHost* render_view_host) OVERRIDE; virtual void DidStopLoading(RenderViewHost* render_view_host) OVERRIDE; virtual void DidCancelLoading() OVERRIDE; virtual void DidChangeLoadProgress(double progress) OVERRIDE; virtual void DidDisownOpener(RenderViewHost* rvh) OVERRIDE; virtual void DidUpdateFrameTree(RenderViewHost* rvh) OVERRIDE; virtual void DocumentAvailableInMainFrame( RenderViewHost* render_view_host) OVERRIDE; virtual void DocumentOnLoadCompletedInMainFrame( RenderViewHost* render_view_host, int32 page_id) OVERRIDE; virtual void RequestOpenURL(RenderViewHost* rvh, const GURL& url, const Referrer& referrer, WindowOpenDisposition disposition, int64 source_frame_id, bool is_cross_site_redirect) OVERRIDE; virtual void RequestTransferURL( const GURL& url, const Referrer& referrer, WindowOpenDisposition disposition, int64 source_frame_id, const GlobalRequestID& transferred_global_request_id, bool is_cross_site_redirect) OVERRIDE; virtual void RouteCloseEvent(RenderViewHost* rvh) OVERRIDE; virtual void RouteMessageEvent( RenderViewHost* rvh, const ViewMsg_PostMessage_Params& params) OVERRIDE; virtual void RunJavaScriptMessage(RenderViewHost* rvh, const string16& message, const string16& default_prompt, const GURL& frame_url, JavaScriptMessageType type, IPC::Message* reply_msg, bool* did_suppress_message) OVERRIDE; virtual void RunBeforeUnloadConfirm(RenderViewHost* rvh, const string16& message, bool is_reload, IPC::Message* reply_msg) OVERRIDE; virtual bool AddMessageToConsole(int32 level, const string16& message, int32 line_no, const string16& source_id) OVERRIDE; virtual RendererPreferences GetRendererPrefs( BrowserContext* browser_context) const OVERRIDE; virtual webkit_glue::WebPreferences GetWebkitPrefs() OVERRIDE; virtual void OnUserGesture() OVERRIDE; virtual void OnIgnoredUIEvent() OVERRIDE; virtual void RendererUnresponsive(RenderViewHost* render_view_host, 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 WorkerCrashed() 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 route_id, const ViewHostMsg_CreateWindow_Params& params, SessionStorageNamespace* session_storage_namespace) OVERRIDE; virtual void CreateNewWidget(int route_id, WebKit::WebPopupType popup_type) OVERRIDE; virtual void CreateNewFullscreenWidget(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 ShowContextMenu( const ContextMenuParams& params, ContextMenuSourceType type) OVERRIDE; virtual void RequestMediaAccessPermission( const MediaStreamRequest* request, const MediaResponseCallback& callback) 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; // RenderViewHostManager::Delegate ------------------------------------------- virtual bool CreateRenderViewForRenderManager( RenderViewHost* render_view_host, int opener_route_id) OVERRIDE; virtual void BeforeUnloadFiredFromRenderManager( bool proceed, const base::TimeTicks& proceed_time, bool* proceed_to_fire_unload) OVERRIDE; virtual void RenderViewGoneFromRenderManager( RenderViewHost* render_view_host) OVERRIDE; virtual void UpdateRenderViewSizeForRenderManager() OVERRIDE; virtual void NotifySwappedFromRenderManager( RenderViewHost* old_render_view_host) 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; // NotificationObserver ------------------------------------------------------ virtual void Observe(int type, const NotificationSource& source, const NotificationDetails& details) OVERRIDE; private: friend class NavigationControllerImpl; 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, CrossSiteCantPreemptAfterUnload); FRIEND_TEST_ALL_PREFIXES(FormStructureBrowserTest, HTMLFiles); FRIEND_TEST_ALL_PREFIXES(NavigationControllerTest, HistoryNavigate); FRIEND_TEST_ALL_PREFIXES(RenderViewHostManagerTest, PageDoesBackAndReload); // So InterstitialPageImpl can access SetIsLoading. friend class InterstitialPageImpl; // TODO(brettw) TestWebContents shouldn't exist! friend class TestWebContents; // See WebContents::Create for a description of these parameters. WebContentsImpl(BrowserContext* browser_context, WebContentsImpl* opener); // Add and remove observers for page navigation notifications. Adding or // removing multiple times has no effect. 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(WebContents* web_contents); // Callback function when showing JS dialogs. void OnDialogClosed(RenderViewHost* rvh, IPC::Message* reply_msg, bool success, const string16& user_input); // Callback function when requesting permission to access the PPAPI broker. // |result| is true if permission was granted. void OnPpapiBrokerPermissionResult(int request_id, bool result); // IPC message handlers. void OnRegisterIntentService(const webkit_glue::WebIntentServiceData& data, bool user_gesture); void OnWebIntentDispatch(const webkit_glue::WebIntentData& intent, int intent_id); void OnDidLoadResourceFromMemoryCache(const GURL& url, const std::string& security_info, const std::string& http_request, const std::string& mime_type, ResourceType::Type resource_type); void OnDidDisplayInsecureContent(); void OnDidRunInsecureContent(const std::string& security_origin, const GURL& target_url); void OnDocumentLoadedInFrame(int64 frame_id); void OnDidFinishLoad(int64 frame_id, const GURL& validated_url, bool is_main_frame); void OnDidFailLoadWithError(int64 frame_id, const GURL& validated_url, bool is_main_frame, int error_code, const string16& error_description); void OnUpdateContentRestrictions(int restrictions); void OnGoToEntryAtOffset(int offset); void OnUpdateZoomLimits(int minimum_percent, int maximum_percent, bool remember); void OnSaveURL(const GURL& url, const Referrer& referrer); void OnEnumerateDirectory(int request_id, const FilePath& path); void OnJSOutOfMemory(); void OnRegisterProtocolHandler(const std::string& protocol, const GURL& url, const string16& title, 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& rects, const gfx::RectF& active_rect); #endif void OnCrashedPlugin(const FilePath& plugin_path); void OnAppCacheAccessed(const GURL& manifest_url, bool blocked_by_policy); void OnOpenColorChooser(int color_chooser_id, SkColor color); void OnEndColorChooser(int color_chooser_id); void OnSetSelectedColorInColorChooser(int color_chooser_id, SkColor color); void OnPepperPluginHung(int plugin_child_id, const FilePath& path, bool is_hung); void OnWebUISend(const GURL& source_url, const std::string& name, const base::ListValue& args); void OnRequestPpapiBrokerPermission(int request_id, const GURL& url, const FilePath& plugin_path); void OnBrowserPluginCreateGuest( int instance_id, const BrowserPluginHostMsg_CreateGuest_Params& params); void OnDidDownloadFavicon(int id, const GURL& image_url, bool errored, int requested_size, const std::vector& bitmaps); void OnUpdateFaviconURL(int32 page_id, const std::vector& candidates); // Changes the IsLoading state and notifies delegate as needed // |details| is used to provide details on the load that just finished // (but can be null if not applicable). Can be overridden. void SetIsLoading(bool is_loading, LoadNotificationDetails* details); // 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. void DidNavigateMainFramePostCommit( const LoadCommittedDetails& details, const ViewHostMsg_FrameNavigate_Params& params); void DidNavigateAnyFramePostCommit( RenderViewHost* render_view_host, const LoadCommittedDetails& details, const ViewHostMsg_FrameNavigate_Params& params); // 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 string16& title); // Causes the WebContentsImpl to navigate in the right renderer to |entry|, // which must be already part of the entries in the navigation controller. // This does not change the NavigationController state. bool NavigateToEntry(const NavigationEntryImpl& entry, NavigationController::ReloadType reload_type); // 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); // 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 route_id, bool is_fullscreen, WebKit::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); // Misc non-view stuff ------------------------------------------------------- // Helper functions for sending notifications. void NotifySwapped(RenderViewHost* old_render_view_host); void NotifyConnected(); void NotifyDisconnected(); void SetEncoding(const std::string& encoding); // Save a URL to the local filesystem. void SaveURL(const GURL& url, const Referrer& referrer, bool is_main_frame); RenderViewHostImpl* GetRenderViewHostImpl(); // Removes browser plugin embedder if there is one. void RemoveBrowserPluginEmbedder(); // 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 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 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 PendingWidgetViews; PendingWidgetViews pending_widget_views_; // A list of observers notified when page state changes. Weak references. // This MUST be listed above render_manager_ since at destruction time the // latter might cause RenderViewHost's destructor to call us and we might use // the observer list then. ObserverList observers_; // The tab that opened this tab, if any. Will be set to null if the opener // is closed. WebContentsImpl* opener_; // Helper classes ------------------------------------------------------------ // Manages creation and swapping of render views. RenderViewHostManager render_manager_; // Manages injecting Java objects into all RenderViewHosts associated with // this WebContentsImpl. scoped_ptr java_bridge_dispatcher_host_manager_; // SavePackage, lazily created. scoped_refptr save_package_; // Data for loading state ---------------------------------------------------- // Indicates whether we're currently loading a resource. bool is_loading_; // 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 max_page_ids_; // System time at which the current load was started. base::TimeTicks current_load_start_; // The current load state and the URL associated with it. net::LoadStateWithParam load_state_; string16 load_state_host_; // 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. 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_; // Character encoding. std::string encoding_; // True if this is a secure page which displayed insecure content. bool displayed_insecure_content_; // Data for misc internal state ---------------------------------------------- // Whether the WebContents is currently being screenshotted. bool capturing_contents_; // 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 creator, lazily assigned. Used because the // delegate of this WebContentsImpl is nulled before its destructor is called. JavaScriptDialogCreator* dialog_creator_; #if defined(OS_WIN) // Handle to an event that's set when the page is showing a message box (or // equivalent constrained window). Plugin processes check this to know if // they should pump messages then. base::win::ScopedHandle message_box_active_; #endif // 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_; // If this tab was created from a renderer using window.open, this will be // non-NULL and represent the WebUI of the opening renderer. WebUI::TypeID opener_web_ui_type_; // The time that we started to create the new tab page. base::TimeTicks new_tab_start_time_; // The time that we started to close this WebContents. base::TimeTicks close_start_time_; // The time when onbeforeunload ended. base::TimeTicks before_unload_end_time_; // The time that this tab was last selected. base::TimeTicks last_selected_time_; // See description above setter. bool closed_by_user_gesture_; // Minimum/maximum zoom percent. int minimum_zoom_percent_; int maximum_zoom_percent_; // If true, the default zoom limits have been overriden for this tab, in which // case we don't want saved settings to apply to it and we don't want to // remember it. bool temporary_zoom_settings_; // The intrinsic size of the page. gfx::Size preferred_size_; // Content restrictions, used to disable print/copy etc based on content's // (full-page plugins for now only) permissions. int content_restrictions_; // Color chooser that was opened by this tab. ColorChooser* color_chooser_; // Manages the embedder state for browser plugins, if this WebContents is an // embedder; NULL otherwise. scoped_ptr browser_plugin_embedder_; // Manages the guest state for browser plugin, if this WebContents is a guest; // NULL otherwise. scoped_ptr 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 so that the handlers can get a pointer // to the RVH through which the message was received. RenderViewHost* message_source_; // All live RenderWidgetHostImpls that are created by this object and may // outlive it. std::set created_widgets_; // Maps the ids of pending favicon downloads to their callbacks typedef std::map FaviconDownloadMap; FaviconDownloadMap favicon_download_map_; DISALLOW_COPY_AND_ASSIGN(WebContentsImpl); }; } // namespace content #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_