| // 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_ |
| #pragma once |
| |
| #include <map> |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/gtest_prod_util.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/observer_list.h" |
| #include "base/property_bag.h" |
| #include "content/browser/browser_plugin/browser_plugin_web_contents_observer.h" |
| #include "content/browser/renderer_host/java/java_bridge_dispatcher_host_manager.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/render_view_host_delegate.h" |
| #include "content/public/browser/web_contents.h" |
| #include "content/public/common/renderer_preferences.h" |
| #include "net/base/load_states.h" |
| #include "ui/gfx/size.h" |
| #include "webkit/glue/resource_type.h" |
| |
| #if defined(OS_WIN) |
| #include "base/win/scoped_handle.h" |
| #endif |
| |
| class InterstitialPageImpl; |
| class SavePackage; |
| class SessionStorageNamespaceImpl; |
| |
| namespace content { |
| class ColorChooser; |
| class DownloadItem; |
| class JavaScriptDialogCreator; |
| class RenderViewHost; |
| class RenderViewHostImpl; |
| class SiteInstance; |
| class TestWebContents; |
| class WebContentsDelegate; |
| class WebContentsObserver; |
| class WebContentsView; |
| struct LoadNotificationDetails; |
| } |
| |
| namespace webkit_glue { |
| struct WebIntentData; |
| } |
| |
| class CONTENT_EXPORT WebContentsImpl |
| : public NON_EXPORTED_BASE(content::WebContents), |
| public content::RenderViewHostDelegate, |
| public RenderViewHostManager::Delegate, |
| public content::NotificationObserver { |
| public: |
| // See WebContents::Create for a description of these parameters. |
| WebContentsImpl(content::BrowserContext* browser_context, |
| content::SiteInstance* site_instance, |
| int routing_id, |
| const WebContentsImpl* base_web_contents, |
| WebContentsImpl* opener, |
| SessionStorageNamespaceImpl* session_storage_namespace); |
| virtual ~WebContentsImpl(); |
| |
| // Returns the content specific prefs for the given RVH. |
| static WebPreferences GetWebkitPrefs( |
| content::RenderViewHost* rvh, const GURL& url); |
| |
| // 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(content::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( |
| content::NavigationController::ReloadType reload_type); |
| |
| // 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(content::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(); |
| } |
| |
| content::BrowserPluginWebContentsObserver* |
| browser_plugin_web_contents_observer() const { |
| return browser_plugin_web_contents_observer_.get(); |
| } |
| |
| // Like GetController from WebContents, but returns the concrete object. |
| NavigationControllerImpl& GetControllerImpl(); |
| |
| // Expose the render manager for testing. |
| RenderViewHostManager* GetRenderManagerForTesting(); |
| |
| // content::WebContents ------------------------------------------------------ |
| virtual const base::PropertyBag* GetPropertyBag() const OVERRIDE; |
| virtual base::PropertyBag* GetPropertyBag() OVERRIDE; |
| virtual content::WebContentsDelegate* GetDelegate() OVERRIDE; |
| virtual void SetDelegate(content::WebContentsDelegate* delegate) OVERRIDE; |
| virtual content::NavigationController& GetController() OVERRIDE; |
| virtual const content::NavigationController& GetController() const OVERRIDE; |
| virtual content::BrowserContext* GetBrowserContext() const OVERRIDE; |
| virtual void SetViewType(content::ViewType type) OVERRIDE; |
| virtual content::ViewType GetViewType() const OVERRIDE; |
| virtual content::RenderProcessHost* GetRenderProcessHost() const OVERRIDE; |
| virtual content::RenderViewHost* GetRenderViewHost() const OVERRIDE; |
| virtual content::RenderWidgetHostView* |
| GetRenderWidgetHostView() const OVERRIDE; |
| virtual content::WebContentsView* GetView() const OVERRIDE; |
| virtual content::WebUI* CreateWebUI(const GURL& url) OVERRIDE; |
| virtual content::WebUI* GetWebUI() const OVERRIDE; |
| virtual content::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( |
| content::SiteInstance* site_instance) OVERRIDE; |
| virtual content::SiteInstance* GetSiteInstance() const OVERRIDE; |
| virtual content::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 void DidBecomeSelected() OVERRIDE; |
| virtual base::TimeTicks GetLastSelectedTime() const OVERRIDE; |
| virtual void WasHidden() OVERRIDE; |
| virtual void ShowContents() OVERRIDE; |
| virtual void HideContents() OVERRIDE; |
| virtual bool NeedToFireBeforeUnload() OVERRIDE; |
| virtual void Stop() OVERRIDE; |
| virtual content::WebContents* Clone() OVERRIDE; |
| virtual void AddNewContents(content::WebContents* new_contents, |
| WindowOpenDisposition disposition, |
| const gfx::Rect& initial_pos, |
| bool user_gesture) 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 content::InterstitialPage* GetInterstitialPage() const OVERRIDE; |
| virtual bool IsSavable() OVERRIDE; |
| virtual void OnSavePage() OVERRIDE; |
| virtual bool SavePage(const FilePath& main_file, |
| const FilePath& dir_path, |
| content::SavePageType save_type) OVERRIDE; |
| virtual void GenerateMHTML( |
| const FilePath& file, |
| const base::Callback<void(const FilePath&, int64)>& 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 content::RendererPreferences* GetMutableRendererPrefs() OVERRIDE; |
| virtual void SetNewTabStartTime(const base::TimeTicks& time) OVERRIDE; |
| virtual base::TimeTicks GetNewTabStartTime() const OVERRIDE; |
| virtual void OnCloseStarted() OVERRIDE; |
| virtual bool ShouldAcceptDragAndDrop() const OVERRIDE; |
| virtual void SystemDragEnded() 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) 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 content::WebUI::TypeID GetWebUITypeForCurrentState() OVERRIDE; |
| virtual content::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; |
| |
| // Implementation of PageNavigator. |
| virtual content::WebContents* OpenURL( |
| const content::OpenURLParams& params) OVERRIDE; |
| |
| // RenderViewHostDelegate ---------------------------------------------------- |
| |
| virtual content::RenderViewHostDelegate::View* GetViewDelegate() OVERRIDE; |
| virtual content::RenderViewHostDelegate::RendererManagement* |
| GetRendererManagementDelegate() OVERRIDE; |
| virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE; |
| virtual const GURL& GetURL() const OVERRIDE; |
| virtual WebContents* GetAsWebContents() OVERRIDE; |
| virtual content::ViewType GetRenderViewType() const OVERRIDE; |
| virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE; |
| virtual void RenderViewCreated( |
| content::RenderViewHost* render_view_host) OVERRIDE; |
| virtual void RenderViewReady( |
| content::RenderViewHost* render_view_host) OVERRIDE; |
| virtual void RenderViewGone(content::RenderViewHost* render_view_host, |
| base::TerminationStatus status, |
| int error_code) OVERRIDE; |
| virtual void RenderViewDeleted( |
| content::RenderViewHost* render_view_host) OVERRIDE; |
| virtual void DidStartProvisionalLoadForFrame( |
| content::RenderViewHost* render_view_host, |
| int64 frame_id, |
| bool main_frame, |
| const GURL& opener_url, |
| const GURL& url) OVERRIDE; |
| virtual void DidRedirectProvisionalLoad( |
| content::RenderViewHost* render_view_host, |
| int32 page_id, |
| const GURL& opener_url, |
| const GURL& source_url, |
| const GURL& target_url) OVERRIDE; |
| virtual void DidFailProvisionalLoadWithError( |
| content::RenderViewHost* render_view_host, |
| const ViewHostMsg_DidFailProvisionalLoadWithError_Params& params) |
| OVERRIDE; |
| virtual void DidNavigate( |
| content::RenderViewHost* render_view_host, |
| const ViewHostMsg_FrameNavigate_Params& params) OVERRIDE; |
| virtual void UpdateState(content::RenderViewHost* render_view_host, |
| int32 page_id, |
| const std::string& state) OVERRIDE; |
| virtual void UpdateTitle(content::RenderViewHost* render_view_host, |
| int32 page_id, |
| const string16& title, |
| base::i18n::TextDirection title_direction) OVERRIDE; |
| virtual void UpdateEncoding(content::RenderViewHost* render_view_host, |
| const std::string& encoding) OVERRIDE; |
| virtual void UpdateTargetURL(int32 page_id, const GURL& url) OVERRIDE; |
| virtual void Close(content::RenderViewHost* render_view_host) OVERRIDE; |
| virtual void RequestMove(const gfx::Rect& new_bounds) OVERRIDE; |
| virtual void SwappedOut(content::RenderViewHost* render_view_host) OVERRIDE; |
| virtual void DidStartLoading() OVERRIDE; |
| virtual void DidStopLoading() OVERRIDE; |
| virtual void DidCancelLoading() OVERRIDE; |
| virtual void DidChangeLoadProgress(double progress) OVERRIDE; |
| virtual void DocumentAvailableInMainFrame( |
| content::RenderViewHost* render_view_host) OVERRIDE; |
| virtual void DocumentOnLoadCompletedInMainFrame( |
| content::RenderViewHost* render_view_host, |
| int32 page_id) OVERRIDE; |
| virtual void RequestOpenURL(content::RenderViewHost* rvh, |
| const GURL& url, |
| const content::Referrer& referrer, |
| WindowOpenDisposition disposition, |
| int64 source_frame_id) OVERRIDE; |
| virtual void RequestTransferURL( |
| const GURL& url, |
| const content::Referrer& referrer, |
| WindowOpenDisposition disposition, |
| int64 source_frame_id, |
| const content::GlobalRequestID& transferred_global_request_id) OVERRIDE; |
| virtual void RouteCloseEvent(content::RenderViewHost* rvh) OVERRIDE; |
| virtual void RunJavaScriptMessage(content::RenderViewHost* rvh, |
| const string16& message, |
| const string16& default_prompt, |
| const GURL& frame_url, |
| ui::JavascriptMessageType type, |
| IPC::Message* reply_msg, |
| bool* did_suppress_message) OVERRIDE; |
| virtual void RunBeforeUnloadConfirm(content::RenderViewHost* rvh, |
| const string16& message, |
| bool is_reload, |
| IPC::Message* reply_msg) OVERRIDE; |
| virtual content::RendererPreferences GetRendererPrefs( |
| content::BrowserContext* browser_context) const OVERRIDE; |
| virtual WebPreferences GetWebkitPrefs() OVERRIDE; |
| virtual void OnUserGesture() OVERRIDE; |
| virtual void OnIgnoredUIEvent() OVERRIDE; |
| virtual void RendererUnresponsive(content::RenderViewHost* render_view_host, |
| bool is_during_unload) OVERRIDE; |
| virtual void RendererResponsive( |
| content::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 bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event, |
| bool* is_keyboard_shortcut) OVERRIDE; |
| virtual void HandleKeyboardEvent( |
| const NativeWebKeyboardEvent& event) OVERRIDE; |
| virtual void HandleMouseDown() OVERRIDE; |
| virtual void HandleMouseUp() OVERRIDE; |
| virtual void HandleMouseActivate() OVERRIDE; |
| virtual void RunFileChooser( |
| content::RenderViewHost* render_view_host, |
| const content::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) OVERRIDE; |
| virtual void LostMouseLock() OVERRIDE; |
| |
| // RenderViewHostManager::Delegate ------------------------------------------- |
| |
| virtual bool CreateRenderViewForRenderManager( |
| content::RenderViewHost* render_view_host, int opener_route_id) OVERRIDE; |
| virtual void BeforeUnloadFiredFromRenderManager( |
| bool proceed, |
| bool* proceed_to_fire_unload) OVERRIDE; |
| virtual void DidStartLoadingFromRenderManager( |
| content::RenderViewHost* render_view_host) OVERRIDE; |
| virtual void RenderViewGoneFromRenderManager( |
| content::RenderViewHost* render_view_host) OVERRIDE; |
| virtual void UpdateRenderViewSizeForRenderManager() OVERRIDE; |
| virtual void NotifySwappedFromRenderManager() OVERRIDE; |
| virtual int CreateOpenerRenderViewsForRenderManager( |
| content::SiteInstance* instance) OVERRIDE; |
| virtual NavigationControllerImpl& GetControllerForRenderManager() OVERRIDE; |
| virtual WebUIImpl* CreateWebUIForRenderManager(const GURL& url) OVERRIDE; |
| virtual content::NavigationEntry* |
| GetLastCommittedNavigationEntryForRenderManager() OVERRIDE; |
| virtual bool FocusLocationBarByDefault() OVERRIDE; |
| virtual void SetFocusToLocationBar(bool select_all) OVERRIDE; |
| virtual void CreateViewAndSetSizeForRVH( |
| content::RenderViewHost* rvh) OVERRIDE; |
| |
| // content::NotificationObserver --------------------------------------------- |
| |
| virtual void Observe(int type, |
| const content::NotificationSource& source, |
| const content::NotificationDetails& details) OVERRIDE; |
| |
| protected: |
| friend class content::WebContentsObserver; |
| |
| // 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(content::WebContentsObserver* observer); |
| void RemoveObserver(content::WebContentsObserver* observer); |
| |
| private: |
| friend class NavigationControllerImpl; |
| |
| 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 content::TestWebContents; |
| |
| // Clears this tab's opener if it has been closed. |
| void OnWebContentsDestroyed(content::WebContents* web_contents); |
| |
| // Callback function when showing JS dialogs. |
| void OnDialogClosed(content::RenderViewHost* rvh, |
| IPC::Message* reply_msg, |
| bool success, |
| const string16& user_input); |
| |
| // IPC message handlers. |
| void OnRegisterIntentService(const string16& action, |
| const string16& type, |
| const string16& href, |
| const string16& title, |
| const string16& disposition); |
| 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, |
| 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); |
| void OnEnumerateDirectory(int request_id, const FilePath& path); |
| void OnJSOutOfMemory(); |
| |
| void OnRegisterProtocolHandler(const std::string& protocol, |
| const GURL& url, |
| const string16& title); |
| void OnFindReply(int request_id, int number_of_matches, |
| const gfx::Rect& selection_rect, int active_match_ordinal, |
| bool final_update); |
| 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); |
| |
| // 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, |
| content::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 content::LoadCommittedDetails& details, |
| const ViewHostMsg_FrameNavigate_Params& params); |
| void DidNavigateAnyFramePostCommit( |
| content::RenderViewHost* render_view_host, |
| const content::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(content::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(content::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 content::NavigationEntryImpl& entry, |
| content::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 content::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(content::SiteInstance* instance); |
| |
| // Misc non-view stuff ------------------------------------------------------- |
| |
| // Helper functions for sending notifications. |
| void NotifySwapped(); |
| void NotifyConnected(); |
| void NotifyDisconnected(); |
| |
| void SetEncoding(const std::string& encoding); |
| |
| // Save a URL to the local filesystem. |
| void SaveURL(const GURL& url, const GURL& referrer, bool is_main_frame); |
| |
| content::RenderViewHostImpl* GetRenderViewHostImpl(); |
| |
| // Stores random bits of data for others to associate with this object. |
| // WARNING: this needs to be deleted after NavigationController. |
| base::PropertyBag property_bag_; |
| |
| // Listen for notifications as well. |
| content::NotificationRegistrar registrar_; |
| |
| // Data for core operation --------------------------------------------------- |
| |
| // Delegate for notifying our owner about stuff. Not owned by us. |
| content::WebContentsDelegate* delegate_; |
| |
| // Handles the back/forward list and loading. |
| NavigationControllerImpl controller_; |
| |
| // The corresponding view. |
| scoped_ptr<content::WebContentsView> view_; |
| |
| // 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<content::WebContentsObserver> observers_; |
| |
| // The tab that opened this tab, if any. Will be set to null if the opener |
| // is closed. |
| WebContentsImpl* opener_; |
| |
| // User agent to use if a NavigationEntry requires that the default user agent |
| // is overridden. |
| std::string user_agent_override_; |
| |
| // 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<JavaBridgeDispatcherHostManager> |
| java_bridge_dispatcher_host_manager_; |
| |
| scoped_ptr<content::BrowserPluginWebContentsObserver> |
| browser_plugin_web_contents_observer_; |
| // SavePackage, lazily created. |
| scoped_refptr<SavePackage> 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<int32, int32> 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. |
| content::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. |
| content::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. |
| content::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 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_; |
| |
| // Our view type. Default is VIEW_TYPE_WEB_CONTENTS. |
| content::ViewType view_type_; |
| |
| // Color chooser that was opened by this tab. |
| content::ColorChooser* color_chooser_; |
| |
| DISALLOW_COPY_AND_ASSIGN(WebContentsImpl); |
| }; |
| |
| #endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_ |
