| // 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_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_ |
| |
| #include <map> |
| #include <string> |
| #include <vector> |
| |
| #include "base/callback.h" |
| #include "base/compiler_specific.h" |
| #include "base/logging.h" |
| #include "base/memory/scoped_ptr.h" |
| #include "base/process/kill.h" |
| #include "content/browser/renderer_host/render_widget_host_impl.h" |
| #include "content/browser/site_instance_impl.h" |
| #include "content/common/drag_event_source_info.h" |
| #include "content/public/browser/notification_observer.h" |
| #include "content/public/browser/render_view_host.h" |
| #include "content/public/common/window_container_type.h" |
| #include "net/base/load_states.h" |
| #include "third_party/WebKit/public/web/WebAXEnums.h" |
| #include "third_party/WebKit/public/web/WebConsoleMessage.h" |
| #include "third_party/WebKit/public/web/WebPopupType.h" |
| #include "third_party/skia/include/core/SkColor.h" |
| #include "ui/accessibility/ax_node_data.h" |
| #include "ui/base/window_open_disposition.h" |
| |
| class SkBitmap; |
| class FrameMsg_Navigate; |
| struct AccessibilityHostMsg_EventParams; |
| struct AccessibilityHostMsg_LocationChangeParams; |
| struct MediaPlayerAction; |
| struct ViewHostMsg_CreateWindow_Params; |
| struct ViewHostMsg_ShowPopup_Params; |
| struct FrameMsg_Navigate_Params; |
| struct ViewMsg_PostMessage_Params; |
| |
| namespace base { |
| class ListValue; |
| } |
| |
| namespace gfx { |
| class Range; |
| } |
| |
| namespace ui { |
| class AXTree; |
| struct SelectedFileInfo; |
| } |
| |
| namespace content { |
| |
| class MediaWebContentsObserver; |
| class ChildProcessSecurityPolicyImpl; |
| class PageState; |
| class RenderWidgetHostDelegate; |
| class SessionStorageNamespace; |
| class SessionStorageNamespaceImpl; |
| class TestRenderViewHost; |
| class TimeoutMonitor; |
| struct FileChooserParams; |
| |
| #if defined(COMPILER_MSVC) |
| // RenderViewHostImpl is the bottom of a diamond-shaped hierarchy, |
| // with RenderWidgetHost at the root. VS warns when methods from the |
| // root are overridden in only one of the base classes and not both |
| // (in this case, RenderWidgetHostImpl provides implementations of |
| // many of the methods). This is a silly warning when dealing with |
| // pure virtual methods that only have a single implementation in the |
| // hierarchy above this class, and is safe to ignore in this case. |
| #pragma warning(push) |
| #pragma warning(disable: 4250) |
| #endif |
| |
| // This implements the RenderViewHost interface that is exposed to |
| // embedders of content, and adds things only visible to content. |
| // |
| // The exact API of this object needs to be more thoroughly designed. Right |
| // now it mimics what WebContentsImpl exposed, which is a fairly large API and |
| // may contain things that are not relevant to a common subset of views. See |
| // also the comment in render_view_host_delegate.h about the size and scope of |
| // the delegate API. |
| // |
| // Right now, the concept of page navigation (both top level and frame) exists |
| // in the WebContentsImpl still, so if you instantiate one of these elsewhere, |
| // you will not be able to traverse pages back and forward. We need to determine |
| // if we want to bring that and other functionality down into this object so it |
| // can be shared by others. |
| class CONTENT_EXPORT RenderViewHostImpl |
| : public RenderViewHost, |
| public RenderWidgetHostImpl { |
| public: |
| // Keeps track of the state of the RenderViewHostImpl, particularly with |
| // respect to swap out. |
| enum RenderViewHostImplState { |
| // The standard state for a RVH handling the communication with a |
| // RenderView. |
| STATE_DEFAULT = 0, |
| // The RVH has sent the SwapOut request to the renderer, but has not |
| // received the SwapOutACK yet. The new page has not been committed yet |
| // either. |
| STATE_WAITING_FOR_UNLOAD_ACK, |
| // The RVH received the SwapOutACK from the RenderView, but the new page has |
| // not been committed yet. |
| STATE_WAITING_FOR_COMMIT, |
| // The RVH is waiting for the CloseACK from the RenderView. |
| STATE_WAITING_FOR_CLOSE, |
| // The RVH has not received the SwapOutACK yet, but the new page has |
| // committed in a different RVH. The number of active views of the RVH |
| // SiteInstanceImpl is not zero. Upon reception of the SwapOutACK, the RVH |
| // will be swapped out. |
| STATE_PENDING_SWAP_OUT, |
| // The RVH has not received the SwapOutACK yet, but the new page has |
| // committed in a different RVH. The number of active views of the RVH |
| // SiteInstanceImpl is zero. Upon reception of the SwapOutACK, the RVH will |
| // be shutdown. |
| STATE_PENDING_SHUTDOWN, |
| // The RVH is swapped out, and it is being used as a placeholder to allow |
| // for cross-process communication. |
| STATE_SWAPPED_OUT, |
| }; |
| // Helper function to determine whether the RVH state should contribute to the |
| // number of active views of a SiteInstance or not. |
| static bool IsRVHStateActive(RenderViewHostImplState rvh_state); |
| |
| // Convenience function, just like RenderViewHost::FromID. |
| static RenderViewHostImpl* FromID(int render_process_id, int render_view_id); |
| |
| // |routing_id| could be a valid route id, or it could be MSG_ROUTING_NONE, in |
| // which case RenderWidgetHost will create a new one. |swapped_out| indicates |
| // whether the view should initially be swapped out (e.g., for an opener |
| // frame being rendered by another process). |hidden| indicates whether the |
| // view is initially hidden or visible. |
| // |
| // The |session_storage_namespace| parameter allows multiple render views and |
| // WebContentses to share the same session storage (part of the WebStorage |
| // spec) space. This is useful when restoring contentses, but most callers |
| // should pass in NULL which will cause a new SessionStorageNamespace to be |
| // created. |
| RenderViewHostImpl( |
| SiteInstance* instance, |
| RenderViewHostDelegate* delegate, |
| RenderWidgetHostDelegate* widget_delegate, |
| int routing_id, |
| int main_frame_routing_id, |
| bool swapped_out, |
| bool hidden); |
| virtual ~RenderViewHostImpl(); |
| |
| // RenderViewHost implementation. |
| virtual RenderFrameHost* GetMainFrame() OVERRIDE; |
| virtual void AllowBindings(int binding_flags) OVERRIDE; |
| virtual void ClearFocusedElement() OVERRIDE; |
| virtual bool IsFocusedElementEditable() OVERRIDE; |
| virtual void ClosePage() OVERRIDE; |
| virtual void CopyImageAt(int x, int y) OVERRIDE; |
| virtual void SaveImageAt(int x, int y) OVERRIDE; |
| virtual void DirectoryEnumerationFinished( |
| int request_id, |
| const std::vector<base::FilePath>& files) OVERRIDE; |
| virtual void DisableScrollbarsForThreshold(const gfx::Size& size) OVERRIDE; |
| virtual void DragSourceEndedAt( |
| int client_x, int client_y, int screen_x, int screen_y, |
| blink::WebDragOperation operation) OVERRIDE; |
| virtual void DragSourceSystemDragEnded() OVERRIDE; |
| virtual void DragTargetDragEnter( |
| const DropData& drop_data, |
| const gfx::Point& client_pt, |
| const gfx::Point& screen_pt, |
| blink::WebDragOperationsMask operations_allowed, |
| int key_modifiers) OVERRIDE; |
| virtual void DragTargetDragOver( |
| const gfx::Point& client_pt, |
| const gfx::Point& screen_pt, |
| blink::WebDragOperationsMask operations_allowed, |
| int key_modifiers) OVERRIDE; |
| virtual void DragTargetDragLeave() OVERRIDE; |
| virtual void DragTargetDrop(const gfx::Point& client_pt, |
| const gfx::Point& screen_pt, |
| int key_modifiers) OVERRIDE; |
| virtual void EnableAutoResize(const gfx::Size& min_size, |
| const gfx::Size& max_size) OVERRIDE; |
| virtual void DisableAutoResize(const gfx::Size& new_size) OVERRIDE; |
| virtual void EnablePreferredSizeMode() OVERRIDE; |
| virtual void ExecuteMediaPlayerActionAtLocation( |
| const gfx::Point& location, |
| const blink::WebMediaPlayerAction& action) OVERRIDE; |
| virtual void ExecutePluginActionAtLocation( |
| const gfx::Point& location, |
| const blink::WebPluginAction& action) OVERRIDE; |
| virtual void ExitFullscreen() OVERRIDE; |
| virtual void FilesSelectedInChooser( |
| const std::vector<ui::SelectedFileInfo>& files, |
| FileChooserParams::Mode permissions) OVERRIDE; |
| virtual RenderViewHostDelegate* GetDelegate() const OVERRIDE; |
| virtual int GetEnabledBindings() const OVERRIDE; |
| virtual SiteInstance* GetSiteInstance() const OVERRIDE; |
| virtual bool IsRenderViewLive() const OVERRIDE; |
| virtual void NotifyMoveOrResizeStarted() OVERRIDE; |
| virtual void SetWebUIProperty(const std::string& name, |
| const std::string& value) OVERRIDE; |
| virtual void Zoom(PageZoom zoom) OVERRIDE; |
| virtual void SyncRendererPrefs() OVERRIDE; |
| virtual WebPreferences GetWebkitPreferences() OVERRIDE; |
| virtual void UpdateWebkitPreferences( |
| const WebPreferences& prefs) OVERRIDE; |
| virtual void GetAudioOutputControllers( |
| const GetAudioOutputControllersCallback& callback) const OVERRIDE; |
| virtual void SetWebUIHandle(mojo::ScopedMessagePipeHandle handle) OVERRIDE; |
| virtual void SelectWordAroundCaret() OVERRIDE; |
| |
| #if defined(OS_ANDROID) |
| virtual void ActivateNearestFindResult(int request_id, |
| float x, |
| float y) OVERRIDE; |
| virtual void RequestFindMatchRects(int current_version) OVERRIDE; |
| #endif |
| |
| void set_delegate(RenderViewHostDelegate* d) { |
| CHECK(d); // http://crbug.com/82827 |
| delegate_ = d; |
| } |
| |
| // Set up the RenderView child process. Virtual because it is overridden by |
| // TestRenderViewHost. If the |frame_name| parameter is non-empty, it is used |
| // as the name of the new top-level frame. |
| // The |opener_route_id| parameter indicates which RenderView created this |
| // (MSG_ROUTING_NONE if none). If |max_page_id| is larger than -1, the |
| // RenderView is told to start issuing page IDs at |max_page_id| + 1. |
| // |window_was_created_with_opener| is true if this top-level frame was |
| // created with an opener. (The opener may have been closed since.) |
| // The |proxy_route_id| is only used when creating a RenderView in swapped out |
| // state. |
| virtual bool CreateRenderView(const base::string16& frame_name, |
| int opener_route_id, |
| int proxy_route_id, |
| int32 max_page_id, |
| bool window_was_created_with_opener); |
| |
| base::TerminationStatus render_view_termination_status() const { |
| return render_view_termination_status_; |
| } |
| |
| // Returns the content specific prefs for this RenderViewHost. |
| WebPreferences GetWebkitPrefs(const GURL& url); |
| |
| // Sends the given navigation message. Use this rather than sending it |
| // yourself since this does the internal bookkeeping described below. This |
| // function takes ownership of the provided message pointer. |
| // |
| // If a cross-site request is in progress, we may be suspended while waiting |
| // for the onbeforeunload handler, so this function might buffer the message |
| // rather than sending it. |
| // TODO(nasko): Remove this method once all callers are converted to use |
| // RenderFrameHostImpl. |
| void Navigate(const FrameMsg_Navigate_Params& message); |
| |
| // Load the specified URL, this is a shortcut for Navigate(). |
| // TODO(nasko): Remove this method once all callers are converted to use |
| // RenderFrameHostImpl. |
| void NavigateToURL(const GURL& url); |
| |
| // Returns whether navigation messages are currently suspended for this |
| // RenderViewHost. Only true during a cross-site navigation, while waiting |
| // for the onbeforeunload handler. |
| bool are_navigations_suspended() const { return navigations_suspended_; } |
| |
| // Suspends (or unsuspends) any navigation messages from being sent from this |
| // RenderViewHost. This is called when a pending RenderViewHost is created |
| // for a cross-site navigation, because we must suspend any navigations until |
| // we hear back from the old renderer's onbeforeunload handler. Note that it |
| // is important that only one navigation event happen after calling this |
| // method with |suspend| equal to true. If |suspend| is false and there is |
| // a suspended_nav_message_, this will send the message. This function |
| // should only be called to toggle the state; callers should check |
| // are_navigations_suspended() first. If |suspend| is false, the time that the |
| // user decided the navigation should proceed should be passed as |
| // |proceed_time|. |
| void SetNavigationsSuspended(bool suspend, |
| const base::TimeTicks& proceed_time); |
| |
| // Clears any suspended navigation state after a cross-site navigation is |
| // canceled or suspended. This is important if we later return to this |
| // RenderViewHost. |
| void CancelSuspendedNavigations(); |
| |
| // Whether this RenderViewHost has been swapped out to be displayed by a |
| // different process. |
| bool IsSwappedOut() const { return rvh_state_ == STATE_SWAPPED_OUT; } |
| |
| // The current state of this RVH. |
| RenderViewHostImplState rvh_state() const { return rvh_state_; } |
| |
| // Tells the renderer that this RenderView will soon be swapped out, and thus |
| // not to create any new modal dialogs until it happens. This must be done |
| // separately so that the PageGroupLoadDeferrers of any current dialogs are no |
| // longer on the stack when we attempt to swap it out. |
| void SuppressDialogsUntilSwapOut(); |
| |
| // Called when either the SwapOut request has been acknowledged or has timed |
| // out. |
| void OnSwappedOut(bool timed_out); |
| |
| // Called when the RenderFrameHostManager has swapped in a new |
| // RenderFrameHost. Should |this| RVH switch to the pending shutdown state, |
| // |pending_delete_on_swap_out| will be executed upon reception of the |
| // SwapOutACK, or when the unload timer times out. |
| void WasSwappedOut(const base::Closure& pending_delete_on_swap_out); |
| |
| // Set |this| as pending shutdown. |on_swap_out| will be called |
| // when the SwapOutACK is received, or when the unload timer times out. |
| void SetPendingShutdown(const base::Closure& on_swap_out); |
| |
| // Close the page ignoring whether it has unload events registers. |
| // This is called after the beforeunload and unload events have fired |
| // and the user has agreed to continue with closing the page. |
| void ClosePageIgnoringUnloadEvents(); |
| |
| // Returns whether this RenderViewHost has an outstanding cross-site request. |
| // Cleared when we hear the response and start to swap out the old |
| // RenderViewHost, or if we hear a commit here without a network request. |
| bool HasPendingCrossSiteRequest(); |
| |
| // Sets whether this RenderViewHost has an outstanding cross-site request, |
| // for which another renderer will need to run an onunload event handler. |
| // This is called before the first navigation event for this RenderViewHost, |
| // and cleared when we hear the response or commit. |
| void SetHasPendingCrossSiteRequest(bool has_pending_request); |
| |
| // Tells the renderer view to focus the first (last if reverse is true) node. |
| void SetInitialFocus(bool reverse); |
| |
| // Get html data by serializing all frames of current page with lists |
| // which contain all resource links that have local copy. |
| // The parameter links contain original URLs of all saved links. |
| // The parameter local_paths contain corresponding local file paths of |
| // all saved links, which matched with vector:links one by one. |
| // The parameter local_directory_name is relative path of directory which |
| // contain all saved auxiliary files included all sub frames and resouces. |
| void GetSerializedHtmlDataForCurrentPageWithLocalLinks( |
| const std::vector<GURL>& links, |
| const std::vector<base::FilePath>& local_paths, |
| const base::FilePath& local_directory_name); |
| |
| // Notifies the RenderViewHost that its load state changed. |
| void LoadStateChanged(const GURL& url, |
| const net::LoadStateWithParam& load_state, |
| uint64 upload_position, |
| uint64 upload_size); |
| |
| bool SuddenTerminationAllowed() const; |
| void set_sudden_termination_allowed(bool enabled) { |
| sudden_termination_allowed_ = enabled; |
| } |
| |
| // RenderWidgetHost public overrides. |
| virtual void Init() OVERRIDE; |
| virtual void Shutdown() OVERRIDE; |
| virtual bool IsRenderView() const OVERRIDE; |
| virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE; |
| virtual void GotFocus() OVERRIDE; |
| virtual void LostCapture() OVERRIDE; |
| virtual void LostMouseLock() OVERRIDE; |
| virtual void ForwardMouseEvent( |
| const blink::WebMouseEvent& mouse_event) OVERRIDE; |
| virtual void OnPointerEventActivate() OVERRIDE; |
| virtual void ForwardKeyboardEvent( |
| const NativeWebKeyboardEvent& key_event) OVERRIDE; |
| virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE; |
| |
| // Creates a new RenderView with the given route id. |
| void CreateNewWindow( |
| int route_id, |
| int main_frame_route_id, |
| const ViewHostMsg_CreateWindow_Params& params, |
| SessionStorageNamespace* session_storage_namespace); |
| |
| // Creates a new RenderWidget with the given route id. |popup_type| indicates |
| // if this widget is a popup and what kind of popup it is (select, autofill). |
| void CreateNewWidget(int route_id, blink::WebPopupType popup_type); |
| |
| // Creates a full screen RenderWidget. |
| void CreateNewFullscreenWidget(int route_id); |
| |
| #if defined(OS_MACOSX) |
| // Select popup menu related methods (for external popup menus). |
| void DidSelectPopupMenuItem(int selected_index); |
| void DidCancelPopupMenu(); |
| #endif |
| |
| #if defined(ENABLE_BROWSER_CDMS) |
| MediaWebContentsObserver* media_web_contents_observer() { |
| return media_web_contents_observer_.get(); |
| } |
| #endif |
| |
| #if defined(OS_ANDROID) |
| void DidSelectPopupMenuItems(const std::vector<int>& selected_indices); |
| void DidCancelPopupMenu(); |
| #endif |
| |
| int main_frame_routing_id() const { |
| return main_frame_routing_id_; |
| } |
| |
| // Set the opener to null in the renderer process. |
| void DisownOpener(); |
| |
| // Turn on accessibility testing. The given callback will be run |
| // every time an accessibility notification is received from the |
| // renderer process, and the accessibility tree it sent can be |
| // retrieved using accessibility_tree_for_testing(). |
| void SetAccessibilityCallbackForTesting( |
| const base::Callback<void(ui::AXEvent, int)>& callback); |
| |
| // Only valid if SetAccessibilityCallbackForTesting was called and |
| // the callback was run at least once. Returns a snapshot of the |
| // accessibility tree received from the renderer as of the last time |
| // an accessibility notification was received. |
| const ui::AXTree& ax_tree_for_testing() { |
| CHECK(ax_tree_.get()); |
| return *ax_tree_.get(); |
| } |
| |
| // Set accessibility callbacks. |
| void SetAccessibilityLayoutCompleteCallbackForTesting( |
| const base::Closure& callback); |
| void SetAccessibilityLoadCompleteCallbackForTesting( |
| const base::Closure& callback); |
| void SetAccessibilityOtherCallbackForTesting( |
| const base::Closure& callback); |
| |
| bool is_waiting_for_beforeunload_ack() { |
| return is_waiting_for_beforeunload_ack_; |
| } |
| |
| // Whether the RVH is waiting for the unload ack from the renderer. |
| bool IsWaitingForUnloadACK() const; |
| |
| void OnTextSurroundingSelectionResponse(const base::string16& content, |
| size_t start_offset, |
| size_t end_offset); |
| |
| // Update the FrameTree to use this RenderViewHost's main frame |
| // RenderFrameHost. Called when the RenderViewHost is committed. |
| // |
| // TODO(ajwong): Remove once RenderViewHost no longer owns the main frame |
| // RenderFrameHost. |
| void AttachToFrameTree(); |
| |
| // Increases the refcounting on this RVH. This is done by the FrameTree on |
| // creation of a RenderFrameHost. |
| void increment_ref_count() { ++frames_ref_count_; } |
| |
| // Decreases the refcounting on this RVH. This is done by the FrameTree on |
| // destruction of a RenderFrameHost. |
| void decrement_ref_count() { --frames_ref_count_; } |
| |
| // Returns the refcount on this RVH, that is the number of RenderFrameHosts |
| // currently using it. |
| int ref_count() { return frames_ref_count_; } |
| |
| // NOTE: Do not add functions that just send an IPC message that are called in |
| // one or two places. Have the caller send the IPC message directly (unless |
| // the caller places are in different platforms, in which case it's better |
| // to keep them consistent). |
| |
| protected: |
| // RenderWidgetHost protected overrides. |
| virtual void OnUserGesture() OVERRIDE; |
| virtual void NotifyRendererUnresponsive() OVERRIDE; |
| virtual void NotifyRendererResponsive() OVERRIDE; |
| virtual void OnRenderAutoResized(const gfx::Size& size) OVERRIDE; |
| virtual void RequestToLockMouse(bool user_gesture, |
| bool last_unlocked_by_target) OVERRIDE; |
| virtual bool IsFullscreen() const OVERRIDE; |
| virtual void OnFocus() OVERRIDE; |
| virtual void OnBlur() OVERRIDE; |
| |
| // IPC message handlers. |
| void OnShowView(int route_id, |
| WindowOpenDisposition disposition, |
| const gfx::Rect& initial_pos, |
| bool user_gesture); |
| void OnShowWidget(int route_id, const gfx::Rect& initial_pos); |
| void OnShowFullscreenWidget(int route_id); |
| void OnRunModal(int opener_id, IPC::Message* reply_msg); |
| void OnRenderViewReady(); |
| void OnRenderProcessGone(int status, int error_code); |
| void OnUpdateState(int32 page_id, const PageState& state); |
| void OnUpdateTargetURL(int32 page_id, const GURL& url); |
| void OnClose(); |
| void OnRequestMove(const gfx::Rect& pos); |
| void OnDocumentAvailableInMainFrame(bool uses_temporary_zoom_level); |
| void OnToggleFullscreen(bool enter_fullscreen); |
| void OnDidContentsPreferredSizeChange(const gfx::Size& new_size); |
| void OnDidChangeScrollOffset(); |
| void OnPasteFromSelectionClipboard(); |
| void OnRouteCloseEvent(); |
| void OnRouteMessageEvent(const ViewMsg_PostMessage_Params& params); |
| void OnStartDragging(const DropData& drop_data, |
| blink::WebDragOperationsMask operations_allowed, |
| const SkBitmap& bitmap, |
| const gfx::Vector2d& bitmap_offset_in_dip, |
| const DragEventSourceInfo& event_info); |
| void OnUpdateDragCursor(blink::WebDragOperation drag_operation); |
| void OnTargetDropACK(); |
| void OnTakeFocus(bool reverse); |
| void OnFocusedNodeChanged(bool is_editable_node); |
| void OnUpdateInspectorSetting(const std::string& key, |
| const std::string& value); |
| void OnClosePageACK(); |
| void OnAccessibilityEvents( |
| const std::vector<AccessibilityHostMsg_EventParams>& params); |
| void OnAccessibilityLocationChanges( |
| const std::vector<AccessibilityHostMsg_LocationChangeParams>& params); |
| void OnDidZoomURL(double zoom_level, const GURL& url); |
| void OnRunFileChooser(const FileChooserParams& params); |
| void OnFocusedNodeTouched(bool editable); |
| |
| #if defined(OS_MACOSX) || defined(OS_ANDROID) |
| void OnShowPopup(const ViewHostMsg_ShowPopup_Params& params); |
| void OnHidePopup(); |
| #endif |
| |
| private: |
| // TODO(nasko): Temporarily friend RenderFrameHostImpl, so we don't duplicate |
| // utility functions and state needed in both classes, while we move frame |
| // specific code away from this class. |
| friend class RenderFrameHostImpl; |
| friend class TestRenderViewHost; |
| FRIEND_TEST_ALL_PREFIXES(RenderViewHostTest, BasicRenderFrameHost); |
| FRIEND_TEST_ALL_PREFIXES(RenderViewHostTest, RoutingIdSane); |
| |
| // TODO(creis): Move to a private namespace on RenderFrameHostImpl. |
| // Delay to wait on closing the WebContents for a beforeunload/unload handler |
| // to fire. |
| static const int kUnloadTimeoutMS; |
| |
| // Updates the state of this RenderViewHost and clears any waiting state |
| // that is no longer relevant. |
| void SetState(RenderViewHostImplState rvh_state); |
| |
| bool CanAccessFilesOfPageState(const PageState& state) const; |
| |
| // The number of RenderFrameHosts which have a reference to this RVH. |
| int frames_ref_count_; |
| |
| // Our delegate, which wants to know about changes in the RenderView. |
| RenderViewHostDelegate* delegate_; |
| |
| // The SiteInstance associated with this RenderViewHost. All pages drawn |
| // in this RenderViewHost are part of this SiteInstance. Should not change |
| // over time. |
| scoped_refptr<SiteInstanceImpl> instance_; |
| |
| // true if we are currently waiting for a response for drag context |
| // information. |
| bool waiting_for_drag_context_response_; |
| |
| // A bitwise OR of bindings types that have been enabled for this RenderView. |
| // See BindingsPolicy for details. |
| int enabled_bindings_; |
| |
| // Whether we should buffer outgoing Navigate messages rather than sending |
| // them. This will be true when a RenderViewHost is created for a cross-site |
| // request, until we hear back from the onbeforeunload handler of the old |
| // RenderViewHost. |
| // TODO(nasko): Move to RenderFrameHost, as this is per-frame state. |
| bool navigations_suspended_; |
| |
| // We only buffer the params for a suspended navigation while we have a |
| // pending RVH for a WebContentsImpl. There will only ever be one suspended |
| // navigation, because WebContentsImpl will destroy the pending RVH and create |
| // a new one if a second navigation occurs. |
| // TODO(nasko): Move to RenderFrameHost, as this is per-frame state. |
| scoped_ptr<FrameMsg_Navigate_Params> suspended_nav_params_; |
| |
| // The current state of this RVH. |
| // TODO(nasko): Move to RenderFrameHost, as this is per-frame state. |
| RenderViewHostImplState rvh_state_; |
| |
| // Routing ID for the main frame's RenderFrameHost. |
| int main_frame_routing_id_; |
| |
| // If we were asked to RunModal, then this will hold the reply_msg that we |
| // must return to the renderer to unblock it. |
| IPC::Message* run_modal_reply_msg_; |
| // This will hold the routing id of the RenderView that opened us. |
| int run_modal_opener_id_; |
| |
| // Set to true when there is a pending ViewMsg_ShouldClose message. This |
| // ensures we don't spam the renderer with multiple beforeunload requests. |
| // When either this value or IsWaitingForUnloadACK is true, the value of |
| // unload_ack_is_for_cross_site_transition_ indicates whether this is for a |
| // cross-site transition or a tab close attempt. |
| // TODO(clamy): Remove this boolean and add one more state to the state |
| // machine. |
| // TODO(nasko): Move to RenderFrameHost, as this is per-frame state. |
| bool is_waiting_for_beforeunload_ack_; |
| |
| // Valid only when is_waiting_for_beforeunload_ack_ or |
| // IsWaitingForUnloadACK is true. This tells us if the unload request |
| // is for closing the entire tab ( = false), or only this RenderViewHost in |
| // the case of a cross-site transition ( = true). |
| // TODO(nasko): Move to RenderFrameHost, as this is per-frame state. |
| bool unload_ack_is_for_cross_site_transition_; |
| |
| // Accessibility callback for testing. |
| base::Callback<void(ui::AXEvent, int)> accessibility_testing_callback_; |
| |
| // The most recently received accessibility tree - for testing only. |
| scoped_ptr<ui::AXTree> ax_tree_; |
| |
| // True if the render view can be shut down suddenly. |
| bool sudden_termination_allowed_; |
| |
| // The termination status of the last render view that terminated. |
| base::TerminationStatus render_view_termination_status_; |
| |
| // Set to true if we requested the on screen keyboard to be displayed. |
| bool virtual_keyboard_requested_; |
| |
| #if defined(ENABLE_BROWSER_CDMS) |
| // Manages all the media player and CDM managers and forwards IPCs to them. |
| scoped_ptr<MediaWebContentsObserver> media_web_contents_observer_; |
| #endif |
| |
| // Used to swap out or shutdown this RVH when the unload event is taking too |
| // long to execute, depending on the number of active views in the |
| // SiteInstance. |
| // TODO(nasko): Move to RenderFrameHost, as this is per-frame state. |
| scoped_ptr<TimeoutMonitor> unload_event_monitor_timeout_; |
| |
| // Called after receiving the SwapOutACK when the RVH is in state pending |
| // shutdown. Also called if the unload timer times out. |
| // TODO(nasko): Move to RenderFrameHost, as this is per-frame state. |
| base::Closure pending_shutdown_on_swap_out_; |
| |
| base::WeakPtrFactory<RenderViewHostImpl> weak_factory_; |
| |
| // True if the current focused element is editable. |
| bool is_focused_element_editable_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl); |
| }; |
| |
| #if defined(COMPILER_MSVC) |
| #pragma warning(pop) |
| #endif |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_ |