// 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_RENDERER_RENDER_VIEW_IMPL_H_
#define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
#include <deque>
#include <map>
#include <set>
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/gtest_prod_util.h"
#include "base/id_map.h"
#include "base/memory/linked_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/observer_list.h"
#include "base/timer.h"
#include "base/values.h"
#include "build/build_config.h"
#include "content/common/content_export.h"
#include "content/common/edit_command.h"
#include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
#include "content/common/navigation_gesture.h"
#include "content/common/view_message_enums.h"
#include "content/public/common/javascript_message_type.h"
#include "content/public/common/page_zoom.h"
#include "content/public/common/referrer.h"
#include "content/public/common/renderer_preferences.h"
#include "content/public/common/stop_find_action.h"
#include "content/public/renderer/render_view.h"
#include "content/renderer/pepper/pepper_plugin_delegate_impl.h"
#include "content/renderer/render_view_selection.h"
#include "content/renderer/render_widget.h"
#include "content/renderer/renderer_webcookiejar_impl.h"
#include "ipc/ipc_platform_file.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebConsoleMessage.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrameClient.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebHistoryItem.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebIconURL.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebNavigationType.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebNode.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebPageSerializerClient.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebPageVisibilityState.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebSecurityOrigin.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebTextDirection.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebFileSystem.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebGraphicsContext3D.h"
#include "ui/surface/transport_dib.h"
#include "webkit/glue/webpreferences.h"
#include "webkit/media/webmediaplayer_delegate.h"
#include "webkit/plugins/npapi/webplugin_page_delegate.h"
#if defined(OS_ANDROID)
#include "content/renderer/android/content_detector.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebContentDetectionResult.h"
#endif
#if defined(COMPILER_MSVC)
// RenderViewImpl is a diamond-shaped hierarchy, with WebWidgetClient at the
// root. VS warns when we inherit the WebWidgetClient method implementations
// from RenderWidget. It's safe to ignore that warning.
#pragma warning(disable: 4250)
#endif
class CommandLine;
class DeviceOrientationDispatcher;
class DevToolsAgent;
class DomAutomationController;
class ExternalPopupMenu;
class GeolocationDispatcher;
class GURL;
class JavaBridgeDispatcher;
class LoadProgressTracker;
class MediaStreamDispatcher;
class MediaStreamImpl;
class MouseLockDispatcher;
class NotificationProvider;
class PepperDeviceTest;
struct PP_NetAddress_Private;
class RenderWidgetFullscreenPepper;
class RendererWebColorChooserImpl;
class SkBitmap;
class InputTagSpeechDispatcher;
class SpeechRecognitionDispatcher;
struct ViewMsg_Navigate_Params;
struct ViewMsg_PostMessage_Params;
struct ViewMsg_StopFinding_Params;
struct ViewMsg_SwapOut_Params;
struct WebDropData;
class WebIntentsHost;
class WebPluginDelegateProxy;
class WebUIBindings;
namespace content {
class DocumentState;
class NavigationState;
class P2PSocketDispatcher;
class RenderViewObserver;
class RenderViewTest;
class RendererAccessibility;
class RendererPpapiHost;
struct CustomContextMenuContext;
struct FileChooserParams;
namespace old {
class GuestToEmbedderChannel;
}
} // namespace content
namespace gfx {
class Point;
class Rect;
} // namespace gfx
namespace ui {
struct SelectedFileInfo;
} // namespace ui
namespace webkit {
namespace ppapi {
class PluginInstance;
class WebPluginImpl;
} // namespace ppapi
} // namespace webkit
namespace webkit_glue {
class ImageResourceFetcher;
class ResourceFetcher;
}
#if defined(OS_ANDROID)
namespace webkit_media {
class WebMediaPlayerManagerAndroid;
}
#endif
namespace WebKit {
class WebApplicationCacheHost;
class WebApplicationCacheHostClient;
class WebCompositorOutputSurface;
class WebDOMMessageEvent;
class WebDataSource;
class WebDragData;
class WebGeolocationClient;
#if defined(OS_ANDROID)
class WebHitTestResult;
#endif
class WebIconURL;
class WebImage;
class WebPeerConnection00Handler;
class WebPeerConnection00HandlerClient;
class WebMediaPlayer;
class WebMediaPlayerClient;
class WebMouseEvent;
class WebPeerConnectionHandler;
class WebPeerConnectionHandlerClient;
class WebSocketStreamHandle;
class WebSpeechInputController;
class WebSpeechInputListener;
class WebSpeechRecognizer;
class WebStorageNamespace;
class WebTouchEvent;
class WebURLRequest;
class WebUserMediaClient;
struct WebActiveWheelFlingParameters;
struct WebFileChooserParams;
struct WebFindOptions;
struct WebMediaPlayerAction;
struct WebPluginAction;
struct WebPoint;
struct WebWindowFeatures;
}
// We need to prevent a page from trying to create infinite popups. It is not
// as simple as keeping a count of the number of immediate children
// popups. Having an html file that window.open()s itself would create
// an unlimited chain of RenderViews who only have one RenderView child.
//
// Therefore, each new top level RenderView creates a new counter and shares it
// with all its children and grandchildren popup RenderViewImpls created with
// createView() to have a sort of global limit for the page so no more than
// kMaximumNumberOfPopups popups are created.
//
// This is a RefCounted holder of an int because I can't say
// scoped_refptr<int>.
typedef base::RefCountedData<int> SharedRenderViewCounter;
//
// RenderView is an object that manages a WebView object, and provides a
// communication interface with an embedding application process
//
class RenderViewImpl : public RenderWidget,
public WebKit::WebViewClient,
public WebKit::WebFrameClient,
public WebKit::WebPageSerializerClient,
public content::RenderView,
public webkit::npapi::WebPluginPageDelegate,
public webkit_media::WebMediaPlayerDelegate,
public WebGraphicsContext3DSwapBuffersClient,
public base::SupportsWeakPtr<RenderViewImpl> {
public:
// Creates a new RenderView. The parent_hwnd specifies a HWND to use as the
// parent of the WebView HWND that will be created. If this is a blocked
// popup or as a new tab, opener_id is the routing ID of the RenderView
// responsible for creating this RenderView (corresponding to parent_hwnd).
// |counter| is either a currently initialized counter, or NULL (in which case
// we treat this RenderView as a top level window).
CONTENT_EXPORT static RenderViewImpl* Create(
gfx::NativeViewId parent_hwnd,
int32 opener_id,
const content::RendererPreferences& renderer_prefs,
const webkit_glue::WebPreferences& webkit_prefs,
SharedRenderViewCounter* counter,
int32 routing_id,
int32 surface_id,
int64 session_storage_namespace_id,
const string16& frame_name,
bool is_renderer_created,
bool swapped_out,
int32 next_page_id,
const WebKit::WebScreenInfo& screen_info,
content::old::GuestToEmbedderChannel* guest_to_embedder_channel,
AccessibilityMode accessibility_mode);
// Returns the RenderViewImpl containing the given WebView.
CONTENT_EXPORT static RenderViewImpl* FromWebView(WebKit::WebView* webview);
// May return NULL when the view is closing.
CONTENT_EXPORT WebKit::WebView* webview() const;
// WebGraphicsContext3DSwapBuffersClient implementation.
// Called by a GraphicsContext associated with this view when swapbuffers
// is posted, completes or is aborted.
virtual void OnViewContextSwapBuffersPosted() OVERRIDE;
virtual void OnViewContextSwapBuffersComplete() OVERRIDE;
virtual void OnViewContextSwapBuffersAborted() OVERRIDE;
int history_list_offset() const { return history_list_offset_; }
const webkit_glue::WebPreferences& webkit_preferences() const {
return webkit_preferences_;
}
void set_send_content_state_immediately(bool value) {
send_content_state_immediately_ = value;
}
MediaStreamDispatcher* media_stream_dispatcher() {
return media_stream_dispatcher_;
}
// Current P2PSocketDispatcher. Set to NULL if P2P API is disabled.
content::P2PSocketDispatcher* p2p_socket_dispatcher() {
return p2p_socket_dispatcher_;
}
MouseLockDispatcher* mouse_lock_dispatcher() {
return mouse_lock_dispatcher_;
}
#if defined(OS_ANDROID)
webkit_media::WebMediaPlayerManagerAndroid* media_player_manager() {
return media_player_manager_.get();
}
#endif
WebKit::WebPeerConnection00Handler* CreatePeerConnectionHandlerJsep(
WebKit::WebPeerConnection00HandlerClient* client);
// Functions to add and remove observers for this object.
void AddObserver(content::RenderViewObserver* observer);
void RemoveObserver(content::RenderViewObserver* observer);
// Adds the given file chooser request to the file_chooser_completion_ queue
// (see that var for more) and requests the chooser be displayed if there are
// no other waiting items in the queue.
//
// Returns true if the chooser was successfully scheduled. False means we
// didn't schedule anything.
bool ScheduleFileChooser(const content::FileChooserParams& params,
WebKit::WebFileChooserCompletion* completion);
// Sets whether the renderer should report load progress to the browser.
void SetReportLoadProgressEnabled(bool enabled);
content::old::GuestToEmbedderChannel* GetGuestToEmbedderChannel() const;
void SetGuestToEmbedderChannel(content::old::GuestToEmbedderChannel* channel);
PP_Instance guest_pp_instance() const { return guest_pp_instance_; }
void set_guest_pp_instance(PP_Instance instance) {
guest_pp_instance_ = instance;
}
void set_guest_graphics_resource(const ppapi::HostResource& resource) {
guest_graphics_resource_ = resource;
}
const ppapi::HostResource& guest_graphics_resource() const {
return guest_graphics_resource_;
}
// Once the browser plugin embedder has connected to this guest, and is
// ready to paint, it informs the guest through GuestReady to begin
// compositing.
void GuestReady(PP_Instance instance);
webkit::ppapi::WebPluginImpl* CreateBrowserPlugin(
const IPC::ChannelHandle& channel_handle,
int guest_process_id,
const WebKit::WebPluginParams& params);
void LoadNavigationErrorPage(
WebKit::WebFrame* frame,
const WebKit::WebURLRequest& failed_request,
const WebKit::WebURLError& error,
const std::string& html,
bool replace);
// Plugin-related functions --------------------------------------------------
// (See also WebPluginPageDelegate implementation.)
// Notification that the given plugin has crashed.
void PluginCrashed(const FilePath& plugin_path);
// Creates a fullscreen container for a pepper plugin instance.
RenderWidgetFullscreenPepper* CreatePepperFullscreenContainer(
webkit::ppapi::PluginInstance* plugin);
// Informs the render view that a PPAPI plugin has gained or lost focus.
void PpapiPluginFocusChanged();
// Informs the render view that a PPAPI plugin has changed text input status.
void PpapiPluginTextInputTypeChanged();
void PpapiPluginCaretPositionChanged();
// Cancels current composition.
void PpapiPluginCancelComposition();
// Informs the render view that a PPAPI plugin has changed selection.
void PpapiPluginSelectionChanged();
// Notification that a PPAPI plugin has been created.
void PpapiPluginCreated(content::RendererPpapiHost* host);
// Retrieves the current caret position if a PPAPI plugin has focus.
bool GetPpapiPluginCaretBounds(gfx::Rect* rect);
// Simulates IME events for testing purpose.
void SimulateImeSetComposition(
const string16& text,
const std::vector<WebKit::WebCompositionUnderline>& underlines,
int selection_start,
int selection_end);
void SimulateImeConfirmComposition(const string16& text,
const ui::Range& replacement_range);
#if defined(OS_MACOSX) || defined(OS_WIN)
// Informs the render view that the given plugin has gained or lost focus.
void PluginFocusChanged(bool focused, int plugin_id);
#endif
#if defined(OS_MACOSX)
// Starts plugin IME.
void StartPluginIme();
// Helper routines for accelerated plugin support. Used by the
// WebPluginDelegateProxy, which has a pointer to the RenderView.
gfx::PluginWindowHandle AllocateFakePluginWindowHandle(bool opaque,
bool root);
void DestroyFakePluginWindowHandle(gfx::PluginWindowHandle window);
void AcceleratedSurfaceSetIOSurface(gfx::PluginWindowHandle window,
int32 width,
int32 height,
uint64 io_surface_identifier);
TransportDIB::Handle AcceleratedSurfaceAllocTransportDIB(size_t size);
void AcceleratedSurfaceFreeTransportDIB(TransportDIB::Id dib_id);
void AcceleratedSurfaceSetTransportDIB(gfx::PluginWindowHandle window,
int32 width,
int32 height,
TransportDIB::Handle transport_dib);
void AcceleratedSurfaceBuffersSwapped(gfx::PluginWindowHandle window,
uint64 surface_id);
#endif
void RegisterPluginDelegate(WebPluginDelegateProxy* delegate);
void UnregisterPluginDelegate(WebPluginDelegateProxy* delegate);
// Helper function to retrieve information about a plugin for a URL and mime
// type. Returns false if no plugin was found.
// |actual_mime_type| is the actual mime type supported by the
// plugin found that match the URL given (one for each item in
// |info|).
CONTENT_EXPORT bool GetPluginInfo(const GURL& url,
const GURL& page_url,
const std::string& mime_type,
webkit::WebPluginInfo* plugin_info,
std::string* actual_mime_type);
void TransferActiveWheelFlingAnimation(
const WebKit::WebActiveWheelFlingParameters& params);
// Returns true if the focused element is editable text from the perspective
// of IME support (also used for on-screen keyboard). Works correctly inside
// supported PPAPI plug-ins.
bool HasIMETextFocus();
// IPC::Listener implementation ----------------------------------------------
virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
// WebKit::WebWidgetClient implementation ------------------------------------
// Most methods are handled by RenderWidget.
virtual void didFocus();
virtual void didBlur();
virtual void show(WebKit::WebNavigationPolicy policy);
virtual void runModal();
virtual bool enterFullScreen();
virtual void exitFullScreen();
virtual bool requestPointerLock();
virtual void requestPointerUnlock();
virtual bool isPointerLocked();
virtual void didActivateCompositor(int input_handler_identifier);
// WebKit::WebViewClient implementation --------------------------------------
virtual WebKit::WebView* createView(
WebKit::WebFrame* creator,
const WebKit::WebURLRequest& request,
const WebKit::WebWindowFeatures& features,
const WebKit::WebString& frame_name,
WebKit::WebNavigationPolicy policy);
virtual WebKit::WebWidget* createPopupMenu(WebKit::WebPopupType popup_type);
virtual WebKit::WebExternalPopupMenu* createExternalPopupMenu(
const WebKit::WebPopupMenuInfo& popup_menu_info,
WebKit::WebExternalPopupMenuClient* popup_menu_client);
virtual WebKit::WebStorageNamespace* createSessionStorageNamespace(
unsigned quota);
virtual WebKit::WebCompositorOutputSurface* createOutputSurface() OVERRIDE;
virtual void didAddMessageToConsole(
const WebKit::WebConsoleMessage& message,
const WebKit::WebString& source_name,
unsigned source_line);
virtual void printPage(WebKit::WebFrame* frame);
virtual WebKit::WebNotificationPresenter* notificationPresenter();
virtual bool enumerateChosenDirectory(
const WebKit::WebString& path,
WebKit::WebFileChooserCompletion* chooser_completion);
virtual void initializeHelperPluginWebFrame(WebKit::WebHelperPlugin*);
virtual void didStartLoading();
virtual void didStopLoading();
virtual void didChangeLoadProgress(WebKit::WebFrame* frame,
double load_progress);
virtual bool isSmartInsertDeleteEnabled();
virtual bool isSelectTrailingWhitespaceEnabled();
virtual void didChangeSelection(bool is_selection_empty);
virtual void didExecuteCommand(const WebKit::WebString& command_name);
virtual bool handleCurrentKeyboardEvent();
virtual WebKit::WebColorChooser* createColorChooser(
WebKit::WebColorChooserClient*, const WebKit::WebColor& initial_color);
virtual bool runFileChooser(
const WebKit::WebFileChooserParams& params,
WebKit::WebFileChooserCompletion* chooser_completion);
virtual void runModalAlertDialog(WebKit::WebFrame* frame,
const WebKit::WebString& message);
virtual bool runModalConfirmDialog(WebKit::WebFrame* frame,
const WebKit::WebString& message);
virtual bool runModalPromptDialog(WebKit::WebFrame* frame,
const WebKit::WebString& message,
const WebKit::WebString& default_value,
WebKit::WebString* actual_value);
virtual bool runModalBeforeUnloadDialog(WebKit::WebFrame* frame,
const WebKit::WebString& message);
virtual void showContextMenu(WebKit::WebFrame* frame,
const WebKit::WebContextMenuData& data);
virtual void setStatusText(const WebKit::WebString& text);
virtual void setMouseOverURL(const WebKit::WebURL& url);
virtual void setKeyboardFocusURL(const WebKit::WebURL& url);
virtual void startDragging(WebKit::WebFrame* frame,
const WebKit::WebDragData& data,
WebKit::WebDragOperationsMask mask,
const WebKit::WebImage& image,
const WebKit::WebPoint& imageOffset);
virtual bool acceptsLoadDrops();
virtual void focusNext();
virtual void focusPrevious();
virtual void focusedNodeChanged(const WebKit::WebNode& node);
virtual void didUpdateLayout();
virtual void navigateBackForwardSoon(int offset);
virtual int historyBackListCount();
virtual int historyForwardListCount();
virtual void postAccessibilityNotification(
const WebKit::WebAccessibilityObject& obj,
WebKit::WebAccessibilityNotification notification);
virtual void didUpdateInspectorSetting(const WebKit::WebString& key,
const WebKit::WebString& value);
virtual WebKit::WebGeolocationClient* geolocationClient();
virtual WebKit::WebSpeechInputController* speechInputController(
WebKit::WebSpeechInputListener* listener);
virtual WebKit::WebSpeechRecognizer* speechRecognizer();
virtual WebKit::WebDeviceOrientationClient* deviceOrientationClient();
virtual void zoomLimitsChanged(double minimum_level, double maximum_level);
virtual void zoomLevelChanged();
virtual void registerProtocolHandler(const WebKit::WebString& scheme,
const WebKit::WebString& base_url,
const WebKit::WebString& url,
const WebKit::WebString& title);
virtual WebKit::WebPageVisibilityState visibilityState() const;
virtual WebKit::WebUserMediaClient* userMediaClient();
virtual void draggableRegionsChanged();
#if defined(OS_ANDROID)
virtual void scheduleContentIntent(const WebKit::WebURL& intent);
virtual void cancelScheduledContentIntents();
virtual WebKit::WebContentDetectionResult detectContentAround(
const WebKit::WebHitTestResult& touch_hit);
#endif
// WebKit::WebFrameClient implementation -------------------------------------
virtual WebKit::WebPlugin* createPlugin(
WebKit::WebFrame* frame,
const WebKit::WebPluginParams& params);
virtual WebKit::WebPlugin* createPluginReplacement(
WebKit::WebFrame* frame,
const WebKit::WebPluginParams& params);
virtual WebKit::WebSharedWorker* createSharedWorker(
WebKit::WebFrame* frame, const WebKit::WebURL& url,
const WebKit::WebString& name, unsigned long long documentId);
virtual WebKit::WebMediaPlayer* createMediaPlayer(
WebKit::WebFrame* frame,
const WebKit::WebURL& url,
WebKit::WebMediaPlayerClient* client);
virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
WebKit::WebFrame* frame,
WebKit::WebApplicationCacheHostClient* client);
virtual WebKit::WebCookieJar* cookieJar(WebKit::WebFrame* frame);
virtual void didCreateFrame(WebKit::WebFrame* parent,
WebKit::WebFrame* child);
virtual void frameDetached(WebKit::WebFrame* frame);
virtual void willClose(WebKit::WebFrame* frame);
virtual void loadURLExternally(WebKit::WebFrame* frame,
const WebKit::WebURLRequest& request,
WebKit::WebNavigationPolicy policy);
virtual void loadURLExternally(WebKit::WebFrame* frame,
const WebKit::WebURLRequest& request,
WebKit::WebNavigationPolicy policy,
const WebKit::WebString& suggested_name);
virtual WebKit::WebNavigationPolicy decidePolicyForNavigation(
WebKit::WebFrame* frame,
const WebKit::WebURLRequest& request,
WebKit::WebNavigationType type,
const WebKit::WebNode&,
WebKit::WebNavigationPolicy default_policy,
bool is_redirect);
virtual bool canHandleRequest(WebKit::WebFrame* frame,
const WebKit::WebURLRequest& request);
virtual WebKit::WebURLError cannotHandleRequestError(
WebKit::WebFrame* frame,
const WebKit::WebURLRequest& request);
virtual WebKit::WebURLError cancelledError(
WebKit::WebFrame* frame,
const WebKit::WebURLRequest& request);
virtual void unableToImplementPolicyWithError(
WebKit::WebFrame* frame,
const WebKit::WebURLError& error);
virtual void willSendSubmitEvent(WebKit::WebFrame* frame,
const WebKit::WebFormElement& form);
virtual void willSubmitForm(WebKit::WebFrame* frame,
const WebKit::WebFormElement& form);
virtual void willPerformClientRedirect(WebKit::WebFrame* frame,
const WebKit::WebURL& from,
const WebKit::WebURL& to,
double interval,
double fire_time);
virtual void didCancelClientRedirect(WebKit::WebFrame* frame);
virtual void didCompleteClientRedirect(WebKit::WebFrame* frame,
const WebKit::WebURL& from);
virtual void didCreateDataSource(WebKit::WebFrame* frame,
WebKit::WebDataSource* datasource);
virtual void didStartProvisionalLoad(WebKit::WebFrame* frame);
virtual void didReceiveServerRedirectForProvisionalLoad(
WebKit::WebFrame* frame);
virtual void didFailProvisionalLoad(WebKit::WebFrame* frame,
const WebKit::WebURLError& error);
virtual void didReceiveDocumentData(WebKit::WebFrame* frame,
const char* data, size_t length,
bool& prevent_default);
virtual void didCommitProvisionalLoad(WebKit::WebFrame* frame,
bool is_new_navigation);
virtual void didClearWindowObject(WebKit::WebFrame* frame);
virtual void didCreateDocumentElement(WebKit::WebFrame* frame);
virtual void didReceiveTitle(WebKit::WebFrame* frame,
const WebKit::WebString& title,
WebKit::WebTextDirection direction);
virtual void didChangeIcon(WebKit::WebFrame*,
WebKit::WebIconURL::Type) OVERRIDE;
virtual void didFinishDocumentLoad(WebKit::WebFrame* frame);
virtual void didHandleOnloadEvents(WebKit::WebFrame* frame);
virtual void didFailLoad(WebKit::WebFrame* frame,
const WebKit::WebURLError& error);
virtual void didFinishLoad(WebKit::WebFrame* frame);
virtual void didNavigateWithinPage(WebKit::WebFrame* frame,
bool is_new_navigation);
virtual void didUpdateCurrentHistoryItem(WebKit::WebFrame* frame);
virtual void assignIdentifierToRequest(WebKit::WebFrame* frame,
unsigned identifier,
const WebKit::WebURLRequest& request);
virtual void willSendRequest(WebKit::WebFrame* frame,
unsigned identifier,
WebKit::WebURLRequest& request,
const WebKit::WebURLResponse& redirect_response);
virtual void didReceiveResponse(WebKit::WebFrame* frame,
unsigned identifier,
const WebKit::WebURLResponse& response);
virtual void didFinishResourceLoad(WebKit::WebFrame* frame,
unsigned identifier);
virtual void didFailResourceLoad(WebKit::WebFrame* frame,
unsigned identifier,
const WebKit::WebURLError& error);
virtual void didLoadResourceFromMemoryCache(
WebKit::WebFrame* frame,
const WebKit::WebURLRequest& request,
const WebKit::WebURLResponse&);
virtual void didDisplayInsecureContent(WebKit::WebFrame* frame);
virtual void didRunInsecureContent(
WebKit::WebFrame* frame,
const WebKit::WebSecurityOrigin& origin,
const WebKit::WebURL& target);
virtual void didExhaustMemoryAvailableForScript(WebKit::WebFrame* frame);
virtual void didCreateScriptContext(WebKit::WebFrame* frame,
v8::Handle<v8::Context>,
int extension_group,
int world_id);
// TODO(koz): Remove once WebKit no longer calls this.
virtual void didCreateScriptContext(WebKit::WebFrame* frame,
v8::Handle<v8::Context>,
int world_id);
virtual void willReleaseScriptContext(WebKit::WebFrame* frame,
v8::Handle<v8::Context>,
int world_id);
virtual void didChangeScrollOffset(WebKit::WebFrame* frame);
virtual void numberOfWheelEventHandlersChanged(unsigned num_handlers);
virtual void hasTouchEventHandlers(bool has_handlers);
virtual void didChangeContentsSize(WebKit::WebFrame* frame,
const WebKit::WebSize& size);
virtual void reportFindInPageMatchCount(int request_id,
int count,
bool final_update);
virtual void reportFindInPageSelection(int request_id,
int active_match_ordinal,
const WebKit::WebRect& sel);
virtual void openFileSystem(WebKit::WebFrame* frame,
WebKit::WebFileSystem::Type type,
long long size,
bool create,
WebKit::WebFileSystemCallbacks* callbacks);
virtual void deleteFileSystem(WebKit::WebFrame* frame,
WebKit::WebFileSystem::Type type,
WebKit::WebFileSystemCallbacks* callbacks);
virtual void queryStorageUsageAndQuota(
WebKit::WebFrame* frame,
WebKit::WebStorageQuotaType type,
WebKit::WebStorageQuotaCallbacks* callbacks);
virtual void requestStorageQuota(
WebKit::WebFrame* frame,
WebKit::WebStorageQuotaType type,
unsigned long long requested_size,
WebKit::WebStorageQuotaCallbacks* callbacks);
virtual void registerIntentService(
WebKit::WebFrame* frame,
const WebKit::WebIntentServiceInfo& service);
virtual void dispatchIntent(WebKit::WebFrame* frame,
const WebKit::WebIntentRequest& intentRequest);
virtual void willOpenSocketStream(
WebKit::WebSocketStreamHandle* handle);
virtual bool willCheckAndDispatchMessageEvent(
WebKit::WebFrame* sourceFrame,
WebKit::WebFrame* targetFrame,
WebKit::WebSecurityOrigin targetOrigin,
WebKit::WebDOMMessageEvent event) OVERRIDE;
virtual WebKit::WebString userAgentOverride(
WebKit::WebFrame* frame,
const WebKit::WebURL& url) OVERRIDE;
// WebKit::WebPageSerializerClient implementation ----------------------------
virtual void didSerializeDataForFrame(
const WebKit::WebURL& frame_url,
const WebKit::WebCString& data,
PageSerializationStatus status) OVERRIDE;
// content::RenderView implementation ----------------------------------------
virtual bool Send(IPC::Message* message) OVERRIDE;
virtual int GetRoutingID() const OVERRIDE;
virtual int GetPageId() const OVERRIDE;
virtual gfx::Size GetSize() const OVERRIDE;
virtual webkit_glue::WebPreferences& GetWebkitPreferences() OVERRIDE;
virtual WebKit::WebView* GetWebView() OVERRIDE;
virtual WebKit::WebNode GetFocusedNode() const OVERRIDE;
virtual WebKit::WebNode GetContextMenuNode() const OVERRIDE;
virtual bool IsEditableNode(const WebKit::WebNode& node) const OVERRIDE;
virtual WebKit::WebPlugin* CreatePlugin(
WebKit::WebFrame* frame,
const webkit::WebPluginInfo& info,
const WebKit::WebPluginParams& params) OVERRIDE;
virtual void EvaluateScript(const string16& frame_xpath,
const string16& jscript,
int id,
bool notify_result) OVERRIDE;
virtual bool ShouldDisplayScrollbars(int width, int height) const OVERRIDE;
virtual int GetEnabledBindings() const OVERRIDE;
virtual bool GetContentStateImmediately() const OVERRIDE;
virtual float GetFilteredTimePerFrame() const OVERRIDE;
virtual void ShowContextMenu(WebKit::WebFrame* frame,
const WebKit::WebContextMenuData& data) OVERRIDE;
virtual WebKit::WebPageVisibilityState GetVisibilityState() const OVERRIDE;
virtual void RunModalAlertDialog(WebKit::WebFrame* frame,
const WebKit::WebString& message) OVERRIDE;
virtual void LoadURLExternally(
WebKit::WebFrame* frame,
const WebKit::WebURLRequest& request,
WebKit::WebNavigationPolicy policy) OVERRIDE;
virtual void Repaint(const gfx::Size& size) OVERRIDE;
// webkit_glue::WebPluginPageDelegate implementation -------------------------
virtual webkit::npapi::WebPluginDelegate* CreatePluginDelegate(
const FilePath& file_path,
const std::string& mime_type) OVERRIDE;
virtual WebKit::WebPlugin* CreatePluginReplacement(
const FilePath& file_path) OVERRIDE;
virtual void CreatedPluginWindow(gfx::PluginWindowHandle handle) OVERRIDE;
virtual void WillDestroyPluginWindow(gfx::PluginWindowHandle handle) OVERRIDE;
virtual void DidMovePlugin(
const webkit::npapi::WebPluginGeometry& move) OVERRIDE;
virtual void DidStartLoadingForPlugin() OVERRIDE;
virtual void DidStopLoadingForPlugin() OVERRIDE;
virtual WebKit::WebCookieJar* GetCookieJar() OVERRIDE;
// webkit_media::WebMediaPlayerDelegate implementation -----------------------
virtual void DidPlay(WebKit::WebMediaPlayer* player) OVERRIDE;
virtual void DidPause(WebKit::WebMediaPlayer* player) OVERRIDE;
virtual void PlayerGone(WebKit::WebMediaPlayer* player) OVERRIDE;
// Please do not add your stuff randomly to the end here. If there is an
// appropriate section, add it there. If not, there are some random functions
// nearer to the top you can add it to.
// Cannot use std::set unfortunately since linked_ptr<> does not support
// operator<.
typedef std::vector<linked_ptr<webkit_glue::ImageResourceFetcher> >
ImageResourceFetcherList;
protected:
// RenderWidget overrides:
virtual void Close() OVERRIDE;
virtual void OnResize(const gfx::Size& new_size,
const gfx::Rect& resizer_rect,
bool is_fullscreen) OVERRIDE;
virtual void WillInitiatePaint() OVERRIDE;
virtual void DidInitiatePaint() OVERRIDE;
virtual void DidFlushPaint() OVERRIDE;
virtual webkit::ppapi::PluginInstance* GetBitmapForOptimizedPluginPaint(
const gfx::Rect& paint_bounds,
TransportDIB** dib,
gfx::Rect* location,
gfx::Rect* clip,
float* scale_factor) OVERRIDE;
virtual gfx::Point GetScrollOffset() OVERRIDE;
virtual void DidHandleKeyEvent() OVERRIDE;
virtual bool WillHandleMouseEvent(
const WebKit::WebMouseEvent& event) OVERRIDE;
virtual void DidHandleMouseEvent(const WebKit::WebMouseEvent& event) OVERRIDE;
virtual void DidHandleTouchEvent(const WebKit::WebTouchEvent& event) OVERRIDE;
virtual void OnSetFocus(bool enable) OVERRIDE;
virtual void OnWasHidden() OVERRIDE;
virtual void OnWasShown(bool needs_repainting) OVERRIDE;
virtual bool SupportsAsynchronousSwapBuffers() OVERRIDE;
virtual void OnImeSetComposition(
const string16& text,
const std::vector<WebKit::WebCompositionUnderline>& underlines,
int selection_start,
int selection_end) OVERRIDE;
virtual void OnImeConfirmComposition(
const string16& text, const ui::Range& replacement_range) OVERRIDE;
virtual void OnSetDeviceScaleFactor(float device_scale_factor) OVERRIDE;
virtual ui::TextInputType GetTextInputType() OVERRIDE;
virtual void GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) OVERRIDE;
virtual void GetCompositionCharacterBounds(
std::vector<gfx::Rect>* character_bounds) OVERRIDE;
virtual bool CanComposeInline() OVERRIDE;
virtual bool WebWidgetHandlesCompositorScheduling() const OVERRIDE;
private:
// For unit tests.
friend class ExternalPopupMenuTest;
friend class PepperDeviceTest;
friend class RendererAccessibilityTest;
friend class content::RenderViewTest;
FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuRemoveTest, RemoveOnChange);
FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, NormalCase);
FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, ShowPopupThenNavigate);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, DecideNavigationPolicyForWebUI);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
DontIgnoreBackAfterNavEntryLimit);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ImeComposition);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, InsertCharacters);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, JSBlockSentAfterPageLoad);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, LastCommittedUpdateState);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnHandleKeyboardEvent);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnImeStateChanged);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavStateChanged);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnSetTextDirection);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnUpdateWebPreferences);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SendSwapOutACK);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, StaleNavigationsIgnored);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, UpdateTargetURLWithInvalidURL);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
GetCompositionCharacterBoundsTest);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavigationHttpPost);
#if defined(OS_MACOSX)
FRIEND_TEST_ALL_PREFIXES(RenderViewTest, MacTestCmdUp);
#endif
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SetHistoryLengthAndPrune);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ZoomLimit);
typedef std::map<GURL, double> HostZoomLevels;
enum ErrorPageType {
DNS_ERROR,
HTTP_404,
CONNECTION_ERROR,
};
RenderViewImpl(gfx::NativeViewId parent_hwnd,
int32 opener_id,
const content::RendererPreferences& renderer_prefs,
const webkit_glue::WebPreferences& webkit_prefs,
SharedRenderViewCounter* counter,
int32 routing_id,
int32 surface_id,
int64 session_storage_namespace_id,
const string16& frame_name,
bool is_renderer_created,
bool swapped_out,
int32 next_page_id,
const WebKit::WebScreenInfo& screen_info,
content::old::GuestToEmbedderChannel*
guest_to_embedder_channel,
AccessibilityMode accessibility_mode);
// Do not delete directly. This class is reference counted.
virtual ~RenderViewImpl();
void UpdateURL(WebKit::WebFrame* frame);
void UpdateTitle(WebKit::WebFrame* frame, const string16& title,
WebKit::WebTextDirection title_direction);
void UpdateSessionHistory(WebKit::WebFrame* frame);
void SendUpdateState(const WebKit::WebHistoryItem& item);
// Update current main frame's encoding and send it to browser window.
// Since we want to let users see the right encoding info from menu
// before finishing loading, we call the UpdateEncoding in
// a) function:DidCommitLoadForFrame. When this function is called,
// that means we have got first data. In here we try to get encoding
// of page if it has been specified in http header.
// b) function:DidReceiveTitle. When this function is called,
// that means we have got specified title. Because in most of webpages,
// title tags will follow meta tags. In here we try to get encoding of
// page if it has been specified in meta tag.
// c) function:DidFinishDocumentLoadForFrame. When this function is
// called, that means we have got whole html page. In here we should
// finally get right encoding of page.
void UpdateEncoding(WebKit::WebFrame* frame,
const std::string& encoding_name);
void OpenURL(WebKit::WebFrame* frame,
const GURL& url,
const content::Referrer& referrer,
WebKit::WebNavigationPolicy policy);
bool RunJavaScriptMessage(content::JavaScriptMessageType type,
const string16& message,
const string16& default_value,
const GURL& frame_url,
string16* result);
// Sends a message and runs a nested message loop.
bool SendAndRunNestedMessageLoop(IPC::SyncMessage* message);
// Called when the "pinned to left/right edge" state needs to be updated.
void UpdateScrollState(WebKit::WebFrame* frame);
// IPC message handlers ------------------------------------------------------
//
// The documentation for these functions should be in
// render_messages_internal.h for the message that the function is handling.
#if defined(OS_ANDROID)
void OnActivateNearestFindResult(int request_id, float x, float y);
#endif
CONTENT_EXPORT void OnAllowBindings(int enabled_bindings_flags);
void OnAllowScriptToClose(bool script_can_close);
void OnAsyncFileOpened(base::PlatformFileError error_code,
IPC::PlatformFileForTransit file_for_transit,
int message_id);
void OnPpapiBrokerChannelCreated(int request_id,
const IPC::ChannelHandle& handle);
void OnPpapiBrokerPermissionResult(int request_id, bool result);
void OnCancelDownload(int32 download_id);
void OnClearFocusedNode();
void OnClosePage();
void OnContextMenuClosed(
const content::CustomContextMenuContext& custom_context);
void OnCopy();
void OnCopyImageAt(int x, int y);
#if defined(OS_MACOSX)
void OnCopyToFindPboard();
#endif
void OnCut();
void OnCSSInsertRequest(const string16& frame_xpath,
const std::string& css);
void OnCustomContextMenuAction(
const content::CustomContextMenuContext& custom_context,
unsigned action);
void OnDelete();
void OnDeterminePageLanguage();
void OnDisableScrollbarsForSmallWindows(
const gfx::Size& disable_scrollbars_size_limit);
void OnDisassociateFromPopupCount();
void OnDragSourceEndedOrMoved(const gfx::Point& client_point,
const gfx::Point& screen_point,
bool ended,
WebKit::WebDragOperation drag_operation);
void OnDragSourceSystemDragEnded();
void OnDragTargetDrop(const gfx::Point& client_pt,
const gfx::Point& screen_pt,
int key_modifiers);
void OnDragTargetDragEnter(const WebDropData& drop_data,
const gfx::Point& client_pt,
const gfx::Point& screen_pt,
WebKit::WebDragOperationsMask operations_allowed,
int key_modifiers);
void OnDragTargetDragLeave();
void OnDragTargetDragOver(const gfx::Point& client_pt,
const gfx::Point& screen_pt,
WebKit::WebDragOperationsMask operations_allowed,
int key_modifiers);
void OnEnablePreferredSizeChangedMode();
void OnEnableAutoResize(const gfx::Size& min_size, const gfx::Size& max_size);
void OnDisableAutoResize(const gfx::Size& new_size);
void OnEnumerateDirectoryResponse(int id, const std::vector<FilePath>& paths);
void OnExecuteEditCommand(const std::string& name, const std::string& value);
void OnFileChooserResponse(
const std::vector<ui::SelectedFileInfo>& files);
void OnFind(int request_id, const string16&, const WebKit::WebFindOptions&);
void OnGetAllSavableResourceLinksForCurrentPage(const GURL& page_url);
#if defined(OS_ANDROID)
void OnFindMatchRects(int current_version);
#endif
void OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
const std::vector<GURL>& links,
const std::vector<FilePath>& local_paths,
const FilePath& local_directory_name);
void OnMediaPlayerActionAt(const gfx::Point& location,
const WebKit::WebMediaPlayerAction& action);
// Screen has rotated. 0 = default (portrait), 90 = one turn right, and so on.
void OnOrientationChangeEvent(int orientation);
void OnPluginActionAt(const gfx::Point& location,
const WebKit::WebPluginAction& action);
void OnMoveOrResizeStarted();
CONTENT_EXPORT void OnNavigate(const ViewMsg_Navigate_Params& params);
void OnPaste();
void OnPasteAndMatchStyle();
#if defined(OS_MACOSX)
void OnPluginImeCompositionCompleted(const string16& text, int plugin_id);
#endif
void OnPostMessageEvent(const ViewMsg_PostMessage_Params& params);
void OnRedo();
void OnReloadFrame();
void OnReplace(const string16& text);
void OnResetPageEncodingToDefault();
void OnScriptEvalRequest(const string16& frame_xpath,
const string16& jscript,
int id,
bool notify_result);
void OnSelectAll();
void OnSelectRange(const gfx::Point& start, const gfx::Point& end);
CONTENT_EXPORT void OnSetAccessibilityMode(AccessibilityMode new_mode);
void OnSetActive(bool active);
void OnSetAltErrorPageURL(const GURL& gurl);
void OnSetBackground(const SkBitmap& background);
void OnSetNavigationStartTime(
const base::TimeTicks& browser_navigation_start);
void OnSetWebUIProperty(const std::string& name, const std::string& value);
CONTENT_EXPORT void OnSetEditCommandsForNextKeyEvent(
const EditCommands& edit_commands);
CONTENT_EXPORT void OnSetHistoryLengthAndPrune(int history_length,
int32 minimum_page_id);
void OnSetInitialFocus(bool reverse);
#if defined(OS_MACOSX)
void OnSetInLiveResize(bool in_live_resize);
#endif
void OnScrollFocusedEditableNodeIntoRect(const gfx::Rect& rect);
void OnSetPageEncoding(const std::string& encoding_name);
void OnSetRendererPrefs(const content::RendererPreferences& renderer_prefs);
#if defined(OS_MACOSX)
void OnSetWindowVisibility(bool visible);
#endif
void OnSetZoomLevel(double zoom_level);
CONTENT_EXPORT void OnSetZoomLevelForLoadingURL(const GURL& url,
double zoom_level);
void OnExitFullscreen();
void OnShouldClose();
void OnStop();
void OnStopFinding(content::StopFindAction action);
CONTENT_EXPORT void OnSwapOut(const ViewMsg_SwapOut_Params& params);
void OnThemeChanged();
void OnUndo();
void OnUpdateTargetURLAck();
CONTENT_EXPORT void OnUpdateWebPreferences(
const webkit_glue::WebPreferences& prefs);
#if defined(OS_MACOSX)
void OnWindowFrameChanged(const gfx::Rect& window_frame,
const gfx::Rect& view_frame);
CONTENT_EXPORT void OnSelectPopupMenuItem(int selected_index);
#endif
#if defined(OS_ANDROID)
void OnSelectPopupMenuItems(bool canceled,
const std::vector<int>& selected_indices);
#endif
void OnZoom(content::PageZoom zoom);
void OnZoomFactor(content::PageZoom zoom, int zoom_center_x,
int zoom_center_y);
void OnEnableViewSourceMode();
void OnJavaBridgeInit();
void OnUpdatedFrameTree(int process_id,
int route_id,
const std::string& frame_tree);
// Adding a new message handler? Please add it in alphabetical order above
// and put it in the same position in the .cc file.
// Misc private functions ----------------------------------------------------
void ZoomFactorHelper(content::PageZoom zoom, int zoom_center_x,
int zoom_center_y, float scaling_increment);
void AltErrorPageFinished(WebKit::WebFrame* frame,
const WebKit::WebURLError& original_error,
const std::string& html);
// Check whether the preferred size has changed.
void CheckPreferredSize();
WebKit::WebGraphicsContext3D* CreateGraphicsContext3D(
const WebKit::WebGraphicsContext3D::Attributes& attributes);
// This method walks the entire frame tree for this RenderView and sends an
// update to the browser process as described in the
// ViewHostMsg_FrameTreeUpdated comments. If |exclude_frame_subtree|
// frame is non-NULL, the subtree starting at that frame not included in the
// serialized form.
// This is used when a frame is going to be removed from the tree.
void SendUpdatedFrameTree(WebKit::WebFrame* exclude_frame_subtree);
// Recursively creates a DOM frame tree starting with |frame|, based on
// |frame_tree|. For each node, the frame is navigated to the swapped out URL,
// the name (if present) is set on it, and all the subframes are created
// and added to the DOM.
void CreateFrameTree(WebKit::WebFrame* frame, DictionaryValue* frame_tree);
// If this is a swapped out RenderView, which maintains a copy of the frame
// tree of an active RenderView, we keep a map from frame ids in this view to
// the frame ids of the active view for each corresponding frame.
// This method uses the map to find the frame in this RenderView that
// corresponds to the frame in the active RenderView specified by |frame_id|.
WebKit::WebFrame* GetFrameByMappedID(int frame_id);
void EnsureMediaStreamImpl();
// This callback is triggered when DownloadFavicon completes, either
// succesfully or with a failure. See DownloadFavicon for more
// details.
void DidDownloadFavicon(webkit_glue::ImageResourceFetcher* fetcher,
const SkBitmap& image);
// Requests to download a favicon image. When done, the RenderView is notified
// by way of DidDownloadFavicon. Returns true if the request was successfully
// started, false otherwise. id is used to uniquely identify the request and
// passed back to the DidDownloadFavicon method. If the image has multiple
// frames, the frame whose size is image_size is returned. If the image
// doesn't have a frame at the specified size, the first is returned.
bool DownloadFavicon(int id, const GURL& image_url, int image_size);
GURL GetAlternateErrorPageURL(const GURL& failed_url,
ErrorPageType error_type);
// Locates a sub frame with given xpath
WebKit::WebFrame* GetChildFrame(const string16& frame_xpath) const;
// Returns the opener url if present, else an empty url.
GURL GetOpenerUrl() const;
// Returns the URL being loaded by the given frame's request.
GURL GetLoadingUrl(WebKit::WebFrame* frame) const;
WebUIBindings* GetWebUIBindings();
// Should only be called if this object wraps a PluginDocument.
WebKit::WebPlugin* GetWebPluginFromPluginDocument();
// Returns true if the |params| navigation is to an entry that has been
// cropped due to a recent navigation the browser did not know about.
bool IsBackForwardToStaleEntry(const ViewMsg_Navigate_Params& params,
bool is_reload);
#if defined(OS_ANDROID)
// Launch an Android content intent with the given URL.
void LaunchAndroidContentIntent(const GURL& intent_url, size_t request_id);
#endif
bool MaybeLoadAlternateErrorPage(WebKit::WebFrame* frame,
const WebKit::WebURLError& error,
bool replace);
// Make this RenderView show an empty, unscriptable page.
void NavigateToSwappedOutURL(WebKit::WebFrame* frame);
// If we initiated a navigation, this function will populate |document_state|
// with the navigation information saved in OnNavigate().
void PopulateDocumentStateFromPending(content::DocumentState* document_state);
// Returns a new NavigationState populated with the navigation information
// saved in OnNavigate().
content::NavigationState* CreateNavigationStateFromPending();
// Processes the command-line flags --enable-viewport and
// --enable-fixed-layout[=w,h].
void ProcessViewLayoutFlags(const CommandLine& command_line);
// Starts nav_state_sync_timer_ if it isn't already running.
void StartNavStateSyncTimerIfNecessary();
// Dispatches the current navigation state to the browser. Called on a
// periodic timer so we don't send too many messages.
void SyncNavigationState();
// Dispatches the current state of selection on the webpage to the browser if
// it has changed.
// TODO(varunjain): delete this method once we figure out how to keep
// selection handles in sync with the webpage.
void SyncSelectionIfRequired();
#if defined(OS_POSIX) && !defined(OS_MACOSX)
void UpdateFontRenderingFromRendererPrefs();
#else
void UpdateFontRenderingFromRendererPrefs() {}
#endif
// Update the target url and tell the browser that the target URL has changed.
// If |url| is empty, show |fallback_url|.
void UpdateTargetURL(const GURL& url, const GURL& fallback_url);
// ---------------------------------------------------------------------------
// ADDING NEW FUNCTIONS? Please keep private functions alphabetized and put
// it in the same order in the .cc file as it was in the header.
// ---------------------------------------------------------------------------
// Settings ------------------------------------------------------------------
webkit_glue::WebPreferences webkit_preferences_;
content::RendererPreferences renderer_preferences_;
HostZoomLevels host_zoom_levels_;
// Whether content state (such as form state, scroll position and page
// contents) should be sent to the browser immediately. This is normally
// false, but set to true by some tests.
bool send_content_state_immediately_;
// Bitwise-ORed set of extra bindings that have been enabled. See
// BindingsPolicy for details.
int enabled_bindings_;
// The alternate error page URL, if one exists.
GURL alternate_error_page_url_;
// If true, we send IPC messages when |preferred_size_| changes.
bool send_preferred_size_changes_;
// If non-empty, and |send_preferred_size_changes_| is true, disable drawing
// scroll bars on windows smaller than this size. Used for windows that the
// browser resizes to the size of the content, such as browser action popups.
// If a render view is set to the minimum size of its content, webkit may add
// scroll bars. This makes sense for fixed sized windows, but it does not
// make sense when the size of the view was chosen to fit the content.
// This setting ensures that no scroll bars are drawn. The size limit exists
// because if the view grows beyond a size known to the browser, scroll bars
// should be drawn.
gfx::Size disable_scrollbars_size_limit_;
// Loading state -------------------------------------------------------------
// True if the top level frame is currently being loaded.
bool is_loading_;
// The gesture that initiated the current navigation.
NavigationGesture navigation_gesture_;
// Used for popups.
bool opened_by_user_gesture_;
GURL creator_url_;
// Whether this RenderView was created by a frame that was suppressing its
// opener. If so, we may want to load pages in a separate process. See
// decidePolicyForNavigation for details.
bool opener_suppressed_;
// If we are handling a top-level client-side redirect, this tracks the URL
// of the page that initiated it. Specifically, when a load is committed this
// is used to determine if that load originated from a client-side redirect.
// It is empty if there is no top-level client-side redirect.
content::Referrer completed_client_redirect_src_;
// Holds state pertaining to a navigation that we initiated. This is held by
// the WebDataSource::ExtraData attribute. We use pending_navigation_state_
// as a temporary holder for the state until the WebDataSource corresponding
// to the new navigation is created. See DidCreateDataSource.
scoped_ptr<ViewMsg_Navigate_Params> pending_navigation_params_;
// Timer used to delay the updating of nav state (see SyncNavigationState).
base::OneShotTimer<RenderViewImpl> nav_state_sync_timer_;
// Page IDs ------------------------------------------------------------------
// See documentation in content::RenderView.
int32 page_id_;
// Indicates the ID of the last page that we sent a FrameNavigate to the
// browser for. This is used to determine if the most recent transition
// generated a history entry (less than page_id_), or not (equal to or
// greater than). Note that this will be greater than page_id_ if the user
// goes back.
int32 last_page_id_sent_to_browser_;
// The next available page ID to use for this RenderView. These IDs are
// specific to a given RenderView and the frames within it.
int32 next_page_id_;
// The offset of the current item in the history list.
int history_list_offset_;
// The RenderView's current impression of the history length. This includes
// any items that have committed in this process, but because of cross-process
// navigations, the history may have some entries that were committed in other
// processes. We won't know about them until the next navigation in this
// process.
int history_list_length_;
// The list of page IDs for each history item this RenderView knows about.
// Some entries may be -1 if they were rendered by other processes or were
// restored from a previous session. This lets us detect attempts to
// navigate to stale entries that have been cropped from our history.
std::vector<int32> history_page_ids_;
// Page info -----------------------------------------------------------------
// The last gotten main frame's encoding.
std::string last_encoding_name_;
// UI state ------------------------------------------------------------------
// The state of our target_url transmissions. When we receive a request to
// send a URL to the browser, we set this to TARGET_INFLIGHT until an ACK
// comes back - if a new request comes in before the ACK, we store the new
// URL in pending_target_url_ and set the status to TARGET_PENDING. If an
// ACK comes back and we are in TARGET_PENDING, we send the stored URL and
// revert to TARGET_INFLIGHT.
//
// We don't need a queue of URLs to send, as only the latest is useful.
enum {
TARGET_NONE,
TARGET_INFLIGHT, // We have a request in-flight, waiting for an ACK
TARGET_PENDING // INFLIGHT + we have a URL waiting to be sent
} target_url_status_;
// The URL we show the user in the status bar. We use this to determine if we
// want to send a new one (we do not need to send duplicates). It will be
// equal to either |mouse_over_url_| or |focus_url_|, depending on which was
// updated last.
GURL target_url_;
// The URL the user's mouse is hovering over.
GURL mouse_over_url_;
// The URL that has keyboard focus.
GURL focus_url_;
// The next target URL we want to send to the browser.
GURL pending_target_url_;
// The text selection the last time DidChangeSelection got called.
string16 selection_text_;
size_t selection_text_offset_;
ui::Range selection_range_;
// View ----------------------------------------------------------------------
// Cache the preferred size of the page in order to prevent sending the IPC
// when layout() recomputes but doesn't actually change sizes.
gfx::Size preferred_size_;
// Used to delay determining the preferred size (to avoid intermediate
// states for the sizes).
base::OneShotTimer<RenderViewImpl> check_preferred_size_timer_;
// These store the "is main frame is scrolled all the way to the left
// or right" state that was last sent to the browser.
bool cached_is_main_frame_pinned_to_left_;
bool cached_is_main_frame_pinned_to_right_;
// These store the "has scrollbars" state last sent to the browser.
bool cached_has_main_frame_horizontal_scrollbar_;
bool cached_has_main_frame_vertical_scrollbar_;
#if defined(OS_MACOSX)
// Track the fake plugin window handles allocated on the browser side for
// the accelerated compositor and (currently) accelerated plugins so that
// we can discard them when the view goes away.
std::set<gfx::PluginWindowHandle> fake_plugin_window_handles_;
#endif
// Helper objects ------------------------------------------------------------
RendererWebCookieJarImpl cookie_jar_;
// The next group of objects all implement RenderViewObserver, so are deleted
// along with the RenderView automatically. This is why we just store
// weak references.
// Holds a reference to the service which provides desktop notifications.
NotificationProvider* notification_provider_;
// The geolocation dispatcher attached to this view, lazily initialized.
GeolocationDispatcher* geolocation_dispatcher_;
// The intents host attached to this view. Not lazily initialized.
WebIntentsHost* intents_host_;
// The speech dispatcher attached to this view, lazily initialized.
InputTagSpeechDispatcher* input_tag_speech_dispatcher_;
// The speech recognition dispatcher attached to this view, lazily
// initialized.
SpeechRecognitionDispatcher* speech_recognition_dispatcher_;
// Device orientation dispatcher attached to this view; lazily initialized.
DeviceOrientationDispatcher* device_orientation_dispatcher_;
// MediaStream dispatcher attached to this view; lazily initialized.
MediaStreamDispatcher* media_stream_dispatcher_;
// MediaStreamImpl attached to this view; lazily initialized.
MediaStreamImpl* media_stream_impl_;
// Dispatches all P2P socket used by the renderer.
content::P2PSocketDispatcher* p2p_socket_dispatcher_;
DevToolsAgent* devtools_agent_;
// The current accessibility mode.
AccessibilityMode accessibility_mode_;
// Only valid if |accessibility_mode_| is anything other than
// AccessibilityModeOff.
content::RendererAccessibility* renderer_accessibility_;
// Java Bridge dispatcher attached to this view; lazily initialized.
JavaBridgeDispatcher* java_bridge_dispatcher_;
// Mouse Lock dispatcher attached to this view.
MouseLockDispatcher* mouse_lock_dispatcher_;
#if defined(OS_ANDROID)
// Android Specific ---------------------------------------------------------
// Expected id of the next content intent launched. Used to prevent scheduled
// intents to be launched if aborted.
size_t expected_content_intent_id_;
// List of click-based content detectors.
typedef std::vector< linked_ptr<content::ContentDetector> >
ContentDetectorList;
ContentDetectorList content_detectors_;
#endif
// Misc ----------------------------------------------------------------------
// The current and pending file chooser completion objects. If the queue is
// nonempty, the first item represents the currently running file chooser
// callback, and the remaining elements are the other file chooser completion
// still waiting to be run (in order).
struct PendingFileChooser;
std::deque< linked_ptr<PendingFileChooser> > file_chooser_completions_;
// The current directory enumeration callback
std::map<int, WebKit::WebFileChooserCompletion*> enumeration_completions_;
int enumeration_completion_id_;
// The SessionStorage namespace that we're assigned to has an ID, and that ID
// is passed to us upon creation. WebKit asks for this ID upon first use and
// uses it whenever asking the browser process to allocate new storage areas.
int64 session_storage_namespace_id_;
// The total number of unrequested popups that exist and can be followed back
// to a common opener. This count is shared among all RenderViews created with
// createView(). All popups are treated as unrequested until specifically
// instructed otherwise by the Browser process.
scoped_refptr<SharedRenderViewCounter> shared_popup_counter_;
// Whether this is a top level window (instead of a popup). Top level windows
// shouldn't count against their own |shared_popup_counter_|.
bool decrement_shared_popup_at_destruction_;
// Stores edit commands associated to the next key event.
// Shall be cleared as soon as the next key event is processed.
EditCommands edit_commands_;
// Allows Web UI pages (new tab page, etc.) to talk to the browser. The JS
// object is only exposed when Web UI bindings are enabled.
scoped_ptr<WebUIBindings> web_ui_bindings_;
// The external popup for the currently showing select popup.
scoped_ptr<ExternalPopupMenu> external_popup_menu_;
// The node that the context menu was pressed over.
WebKit::WebNode context_menu_node_;
// Reports load progress to the browser.
scoped_ptr<LoadProgressTracker> load_progress_tracker_;
// All the registered observers. We expect this list to be small, so vector
// is fine.
ObserverList<content::RenderViewObserver> observers_;
// Used to inform didChangeSelection() when it is called in the context
// of handling a ViewMsg_SelectRange IPC.
bool handling_select_range_;
// Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
scoped_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
#if defined(OS_ANDROID)
// The media player manager for managing all the media players on this view.
scoped_ptr<webkit_media::WebMediaPlayerManagerAndroid> media_player_manager_;
#endif
// Plugins -------------------------------------------------------------------
// All the currently active plugin delegates for this RenderView; kept so
// that we can enumerate them to send updates about things like window
// location or tab focus and visibily. These are non-owning references.
std::set<WebPluginDelegateProxy*> plugin_delegates_;
#if defined(OS_WIN)
// The ID of the focused NPAPI plug-in.
int focused_plugin_id_;
#endif
// Allows JS to access DOM automation. The JS object is only exposed when the
// DOM automation bindings are enabled.
scoped_ptr<DomAutomationController> dom_automation_controller_;
// Channel for communication with embedding renderer, if it exists.
scoped_refptr<content::old::GuestToEmbedderChannel>
guest_to_embedder_channel_;
// The pepper instance identifer for this guest RenderView.
PP_Instance guest_pp_instance_;
// The ppapi::HostResource associated with the on-screen context for this
// guest RenderView.
ppapi::HostResource guest_graphics_resource_;
// This graphics context is initialized once GuestReady() is called.
WebGraphicsContext3DCommandBufferImpl* guest_uninitialized_context_;
// These are the attributes originally passed into createOutputSurface
// before the guest_to_embedder_channel was ready.
WebKit::WebGraphicsContext3D::Attributes guest_attributes_;
// Boolean indicating whether we are in the process of creating the frame
// tree for this renderer in response to ViewMsg_UpdateFrameTree. If true,
// we won't be sending ViewHostMsg_FrameTreeUpdated messages back to the
// browser, as those will be redundant.
bool updating_frame_tree_;
// Boolean indicating that the frame tree has changed, but a message has not
// been sent to the browser because a page has been loading. This helps
// avoid extra messages being sent to the browser when navigating away from a
// page with subframes, which will be destroyed. Instead, a single message
// is sent when the load is stopped with the final state of the frame tree.
//
// TODO(nasko): Relying on the is_loading_ means that frame tree updates will
// not be sent until *all* subframes have completed loading. This can cause
// JavaScript calls to fail, if they occur prior to the first update message
// being sent. This will be fixed by bug http://crbug.com/145014.
bool pending_frame_tree_update_;
// If this render view is a swapped out "mirror" of an active render view in a
// different process, we record the process id and route id for the active RV.
// For further details, see the comments on ViewHostMsg_FrameTreeUpdated.
int target_process_id_;
int target_routing_id_;
// A map of the current process's frame ids to ids in the remote active render
// view, if this is a swapped out render view.
std::map<int, int> active_frame_id_map_;
// NOTE: pepper_delegate_ should be last member because its constructor calls
// AddObservers method of RenderViewImpl from c-tor.
content::PepperPluginDelegateImpl pepper_delegate_;
// ---------------------------------------------------------------------------
// ADDING NEW DATA? Please see if it fits appropriately in one of the above
// sections rather than throwing it randomly at the end. If you're adding a
// bunch of stuff, you should probably create a helper class and put your
// data and methods on that to avoid bloating RenderView more. You can
// use the Observer interface to filter IPC messages and receive frame change
// notifications.
// ---------------------------------------------------------------------------
DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
};
#endif // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_