// 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/process/process.h"
#include "base/strings/string16.h"
#include "base/timer/timer.h"
#include "build/build_config.h"
#include "cc/input/top_controls_state.h"
#include "content/common/content_export.h"
#include "content/common/drag_event_source_info.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/common/top_controls_state.h"
#include "content/public/renderer/render_view.h"
#include "content/renderer/media/webmediaplayer_delegate.h"
#include "content/renderer/mouse_lock_dispatcher.h"
#include "content/renderer/render_frame_impl.h"
#include "content/renderer/render_widget.h"
#include "content/renderer/renderer_date_time_picker.h"
#include "content/renderer/renderer_webcookiejar_impl.h"
#include "content/renderer/stats_collection_observer.h"
#include "ipc/ipc_platform_file.h"
#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
#include "third_party/WebKit/public/web/WebAXObject.h"
#include "third_party/WebKit/public/web/WebConsoleMessage.h"
#include "third_party/WebKit/public/web/WebDataSource.h"
#include "third_party/WebKit/public/web/WebFrameClient.h"
#include "third_party/WebKit/public/web/WebHistoryItem.h"
#include "third_party/WebKit/public/web/WebIconURL.h"
#include "third_party/WebKit/public/web/WebInputEvent.h"
#include "third_party/WebKit/public/web/WebNavigationType.h"
#include "third_party/WebKit/public/web/WebNode.h"
#include "third_party/WebKit/public/web/WebPageSerializerClient.h"
#include "third_party/WebKit/public/web/WebPageVisibilityState.h"
#include "third_party/WebKit/public/web/WebSecurityOrigin.h"
#include "third_party/WebKit/public/web/WebViewClient.h"
#include "ui/base/ui_base_types.h"
#include "ui/surface/transport_dib.h"
#include "webkit/common/webpreferences.h"
#if defined(OS_ANDROID)
#include "content/renderer/android/content_detector.h"
#include "third_party/WebKit/public/web/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 PepperDeviceTest;
class SkBitmap;
struct PP_NetAddress_Private;
struct ViewMsg_Navigate_Params;
struct ViewMsg_PostMessage_Params;
struct ViewMsg_StopFinding_Params;
namespace ui {
struct SelectedFileInfo;
} // namespace ui
namespace blink {
class WebApplicationCacheHost;
class WebApplicationCacheHostClient;
class WebDOMMessageEvent;
class WebDataSource;
class WebDateTimeChooserCompletion;
class WebDragData;
class WebGeolocationClient;
class WebGestureEvent;
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 WebDateTimeChooserParams;
struct WebFileChooserParams;
struct WebFindOptions;
struct WebMediaPlayerAction;
struct WebPluginAction;
struct WebPoint;
struct WebWindowFeatures;
#if defined(OS_ANDROID)
class WebHitTestResult;
#endif
}
namespace webkit_glue {
class WebURLResponseExtraDataImpl;
}
namespace content {
class BrowserPluginManager;
class DeviceOrientationDispatcher;
class DevToolsAgent;
class DocumentState;
class DomAutomationController;
class ExternalPopupMenu;
class FaviconHelper;
class GeolocationDispatcher;
class ImageResourceFetcher;
class InputTagSpeechDispatcher;
class JavaBridgeDispatcher;
class LoadProgressTracker;
class MIDIDispatcher;
class MediaStreamClient;
class MediaStreamDispatcher;
class MouseLockDispatcher;
class NavigationState;
class NotificationProvider;
class PepperPluginInstanceImpl;
class RenderViewObserver;
class RenderViewTest;
class RendererAccessibility;
class RendererDateTimePicker;
class RendererWebColorChooserImpl;
class SpeechRecognitionDispatcher;
class WebPluginDelegateProxy;
struct CustomContextMenuContext;
struct DropData;
struct FaviconURL;
struct FileChooserParams;
struct RenderViewImplParams;
#if defined(OS_ANDROID)
class RendererMediaPlayerManager;
class WebMediaPlayerProxyAndroid;
#endif
//
// RenderView is an object that manages a WebView object, and provides a
// communication interface with an embedding application process
//
class CONTENT_EXPORT RenderViewImpl
: public RenderWidget,
NON_EXPORTED_BASE(public blink::WebViewClient),
NON_EXPORTED_BASE(public blink::WebFrameClient),
NON_EXPORTED_BASE(public blink::WebPageSerializerClient),
public RenderView,
NON_EXPORTED_BASE(public WebMediaPlayerDelegate),
public base::SupportsWeakPtr<RenderViewImpl> {
public:
// Creates a new RenderView. |opener_id| is the routing ID of the RenderView
// responsible for creating this RenderView.
static RenderViewImpl* Create(
int32 opener_id,
const RendererPreferences& renderer_prefs,
const WebPreferences& webkit_prefs,
int32 routing_id,
int32 main_frame_routing_id,
int32 surface_id,
int64 session_storage_namespace_id,
const base::string16& frame_name,
bool is_renderer_created,
bool swapped_out,
bool hidden,
int32 next_page_id,
const blink::WebScreenInfo& screen_info,
AccessibilityMode accessibility_mode,
bool allow_partial_swap);
// Used by content_layouttest_support to hook into the creation of
// RenderViewImpls.
static void InstallCreateHook(
RenderViewImpl* (*create_render_view_impl)(RenderViewImplParams*));
// Returns the RenderViewImpl containing the given WebView.
static RenderViewImpl* FromWebView(blink::WebView* webview);
// Returns the RenderViewImpl for the given routing ID.
static RenderViewImpl* FromRoutingID(int routing_id);
// May return NULL when the view is closing.
blink::WebView* webview() const;
int history_list_offset() const { return history_list_offset_; }
const WebPreferences& webkit_preferences() const {
return webkit_preferences_;
}
const RendererPreferences& renderer_preferences() const {
return renderer_preferences_;
}
void set_send_content_state_immediately(bool value) {
send_content_state_immediately_ = value;
}
RenderFrameImpl* main_render_frame() { return main_render_frame_.get(); }
MediaStreamDispatcher* media_stream_dispatcher() {
return media_stream_dispatcher_;
}
RendererAccessibility* renderer_accessibility() {
return renderer_accessibility_;
}
MouseLockDispatcher* mouse_lock_dispatcher() {
return mouse_lock_dispatcher_;
}
RendererWebCookieJarImpl* cookie_jar() { return &cookie_jar_; }
// Lazily initialize this view's BrowserPluginManager and return it.
BrowserPluginManager* GetBrowserPluginManager();
// Functions to add and remove observers for this object.
void AddObserver(RenderViewObserver* observer);
void RemoveObserver(RenderViewObserver* observer);
// Returns the StatsCollectionObserver associated with this view, or NULL
// if one wasn't created;
StatsCollectionObserver* GetStatsCollectionObserver() {
return stats_collection_observer_.get();
}
// 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 FileChooserParams& params,
blink::WebFileChooserCompletion* completion);
void LoadNavigationErrorPage(
blink::WebFrame* frame,
const blink::WebURLRequest& failed_request,
const blink::WebURLError& error,
const std::string& html,
bool replace);
#if defined(OS_ANDROID)
void DismissDateTimeDialog();
#endif
// Plugin-related functions --------------------------------------------------
#if defined(ENABLE_PLUGINS)
PepperPluginInstanceImpl* focused_pepper_plugin() {
return focused_pepper_plugin_;
}
void set_focused_pepper_plugin(PepperPluginInstanceImpl* plugin) {
focused_pepper_plugin_ = plugin;
}
PepperPluginInstanceImpl* pepper_last_mouse_event_target() {
return pepper_last_mouse_event_target_;
}
void set_pepper_last_mouse_event_target(PepperPluginInstanceImpl* plugin) {
pepper_last_mouse_event_target_ = plugin;
}
#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();
#endif
void RegisterPluginDelegate(WebPluginDelegateProxy* delegate);
void UnregisterPluginDelegate(WebPluginDelegateProxy* delegate);
#endif // ENABLE_PLUGINS
void TransferActiveWheelFlingAnimation(
const blink::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();
// Callback for use with GetWindowSnapshot.
typedef base::Callback<void(
const gfx::Size&, const std::vector<unsigned char>&)>
WindowSnapshotCallback;
void GetWindowSnapshot(const WindowSnapshotCallback& callback);
// Dispatches the current navigation state to the browser. Called on a
// periodic timer so we don't send too many messages.
void SyncNavigationState();
// Temporary call until all this media code moves to RenderFrame.
// TODO(jam): remove me
blink::WebMediaPlayer* CreateMediaPlayer(
RenderFrame* render_frame,
blink::WebFrame* frame,
const blink::WebURL& url,
blink::WebMediaPlayerClient* client);
// Temporary call until the context menu code moves to RenderFrmae.
// TODO(jam): remove me
int ShowContextMenu(ContextMenuClient* client,
const ContextMenuParams& params);
void CancelContextMenu(int request_id);
// Returns the length of the session history of this RenderView. Note that
// this only coincides with the actual length of the session history if this
// RenderView is the currently active RenderView of a WebContents.
unsigned GetLocalSessionHistoryLengthForTesting() const;
// Invokes OnSetFocus and marks the widget as active depending on the value
// of |enable|. This is used for layout tests that need to control the focus
// synchronously from the renderer.
void SetFocusAndActivateForTesting(bool enable);
// Change the device scale factor and force the compositor to resize.
void SetDeviceScaleFactorForTesting(float factor);
// Used to force the size of a window when running layout tests.
void ForceResizeForTesting(const gfx::Size& new_size);
void UseSynchronousResizeModeForTesting(bool enable);
// Control autoresize mode.
void EnableAutoResizeForTesting(const gfx::Size& min_size,
const gfx::Size& max_size);
void DisableAutoResizeForTesting(const gfx::Size& new_size);
// Overrides the MediaStreamClient used when creating MediaStream players.
// Must be called before any players are created.
void SetMediaStreamClientForTesting(MediaStreamClient* media_stream_client);
// IPC::Listener implementation ----------------------------------------------
virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE;
// blink::WebWidgetClient implementation ------------------------------------
// Most methods are handled by RenderWidget.
virtual void didFocus();
virtual void didBlur();
virtual void show(blink::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);
virtual void didHandleGestureEvent(const blink::WebGestureEvent& event,
bool event_cancelled) OVERRIDE;
virtual void initializeLayerTreeView() OVERRIDE;
// blink::WebViewClient implementation --------------------------------------
virtual blink::WebView* createView(
blink::WebFrame* creator,
const blink::WebURLRequest& request,
const blink::WebWindowFeatures& features,
const blink::WebString& frame_name,
blink::WebNavigationPolicy policy,
bool suppress_opener);
virtual blink::WebWidget* createPopupMenu(blink::WebPopupType popup_type);
virtual blink::WebExternalPopupMenu* createExternalPopupMenu(
const blink::WebPopupMenuInfo& popup_menu_info,
blink::WebExternalPopupMenuClient* popup_menu_client);
virtual blink::WebStorageNamespace* createSessionStorageNamespace();
virtual bool shouldReportDetailedMessageForSource(
const blink::WebString& source);
virtual void didAddMessageToConsole(
const blink::WebConsoleMessage& message,
const blink::WebString& source_name,
unsigned source_line,
const blink::WebString& stack_trace);
virtual void printPage(blink::WebFrame* frame);
virtual blink::WebNotificationPresenter* notificationPresenter();
virtual bool enumerateChosenDirectory(
const blink::WebString& path,
blink::WebFileChooserCompletion* chooser_completion);
virtual void initializeHelperPluginWebFrame(blink::WebHelperPlugin*);
virtual void didStartLoading();
virtual void didStopLoading();
virtual void didChangeLoadProgress(blink::WebFrame* frame,
double load_progress);
virtual void didCancelCompositionOnSelectionChange();
virtual void didChangeSelection(bool is_selection_empty);
virtual void didExecuteCommand(const blink::WebString& command_name);
virtual bool handleCurrentKeyboardEvent();
virtual blink::WebColorChooser* createColorChooser(
blink::WebColorChooserClient*,
const blink::WebColor& initial_color,
const blink::WebVector<blink::WebColorSuggestion>& suggestions);
virtual bool runFileChooser(
const blink::WebFileChooserParams& params,
blink::WebFileChooserCompletion* chooser_completion);
virtual void runModalAlertDialog(blink::WebFrame* frame,
const blink::WebString& message);
virtual bool runModalConfirmDialog(blink::WebFrame* frame,
const blink::WebString& message);
virtual bool runModalPromptDialog(blink::WebFrame* frame,
const blink::WebString& message,
const blink::WebString& default_value,
blink::WebString* actual_value);
virtual bool runModalBeforeUnloadDialog(blink::WebFrame* frame,
bool is_reload,
const blink::WebString& message);
virtual void showValidationMessage(const blink::WebRect& anchor_in_root_view,
const blink::WebString& main_text,
const blink::WebString& sub_text,
blink::WebTextDirection hint) OVERRIDE;
virtual void hideValidationMessage() OVERRIDE;
virtual void moveValidationMessage(
const blink::WebRect& anchor_in_root_view) OVERRIDE;
// DEPRECATED
virtual bool runModalBeforeUnloadDialog(blink::WebFrame* frame,
const blink::WebString& message);
virtual void showContextMenu(blink::WebFrame* frame,
const blink::WebContextMenuData& data);
virtual void clearContextMenu();
virtual void setStatusText(const blink::WebString& text);
virtual void setMouseOverURL(const blink::WebURL& url);
virtual void setKeyboardFocusURL(const blink::WebURL& url);
virtual void startDragging(blink::WebFrame* frame,
const blink::WebDragData& data,
blink::WebDragOperationsMask mask,
const blink::WebImage& image,
const blink::WebPoint& imageOffset);
virtual bool acceptsLoadDrops();
virtual void focusNext();
virtual void focusPrevious();
virtual void focusedNodeChanged(const blink::WebNode& node);
virtual void numberOfWheelEventHandlersChanged(unsigned num_handlers);
virtual void didUpdateLayout();
#if defined(OS_ANDROID)
virtual bool didTapMultipleTargets(
const blink::WebGestureEvent& event,
const blink::WebVector<blink::WebRect>& target_rects);
#endif
virtual void navigateBackForwardSoon(int offset);
virtual int historyBackListCount();
virtual int historyForwardListCount();
virtual void postAccessibilityEvent(
const blink::WebAXObject& obj, blink::WebAXEvent event);
virtual void didUpdateInspectorSetting(const blink::WebString& key,
const blink::WebString& value);
virtual blink::WebGeolocationClient* geolocationClient();
virtual blink::WebSpeechInputController* speechInputController(
blink::WebSpeechInputListener* listener);
virtual blink::WebSpeechRecognizer* speechRecognizer();
virtual void zoomLimitsChanged(double minimum_level, double maximum_level);
virtual void zoomLevelChanged();
virtual double zoomLevelToZoomFactor(double zoom_level) const;
virtual double zoomFactorToZoomLevel(double factor) const;
virtual void registerProtocolHandler(const blink::WebString& scheme,
const blink::WebString& base_url,
const blink::WebString& url,
const blink::WebString& title);
virtual blink::WebPageVisibilityState visibilityState() const;
virtual blink::WebUserMediaClient* userMediaClient();
virtual blink::WebMIDIClient* webMIDIClient();
virtual void draggableRegionsChanged();
#if defined(OS_ANDROID)
virtual void scheduleContentIntent(const blink::WebURL& intent);
virtual void cancelScheduledContentIntents();
virtual blink::WebContentDetectionResult detectContentAround(
const blink::WebHitTestResult& touch_hit);
// Only used on Android since all other platforms implement
// date and time input fields using MULTIPLE_FIELDS_UI
virtual bool openDateTimeChooser(const blink::WebDateTimeChooserParams&,
blink::WebDateTimeChooserCompletion*);
virtual void didScrollWithKeyboard(const blink::WebSize& delta);
#endif
// blink::WebFrameClient implementation -------------------------------------
virtual blink::WebMediaPlayer* createMediaPlayer(
blink::WebFrame* frame,
const blink::WebURL& url,
blink::WebMediaPlayerClient* client);
virtual blink::WebCookieJar* cookieJar(blink::WebFrame* frame);
virtual void didAccessInitialDocument(blink::WebFrame* frame);
virtual void didDisownOpener(blink::WebFrame* frame);
virtual void frameDetached(blink::WebFrame* frame);
virtual void willClose(blink::WebFrame* frame);
virtual void didMatchCSS(
blink::WebFrame* frame,
const blink::WebVector<blink::WebString>& newly_matching_selectors,
const blink::WebVector<blink::WebString>& stopped_matching_selectors);
// The WebDataSource::ExtraData* is assumed to be a DocumentState* subclass.
virtual blink::WebNavigationPolicy decidePolicyForNavigation(
blink::WebFrame* frame,
blink::WebDataSource::ExtraData* extraData,
const blink::WebURLRequest& request,
blink::WebNavigationType type,
blink::WebNavigationPolicy default_policy,
bool is_redirect);
// DEPRECATED.
virtual blink::WebNavigationPolicy decidePolicyForNavigation(
blink::WebFrame* frame,
const blink::WebURLRequest& request,
blink::WebNavigationType type,
blink::WebNavigationPolicy default_policy,
bool is_redirect);
virtual void willSendSubmitEvent(blink::WebFrame* frame,
const blink::WebFormElement& form);
virtual void willSubmitForm(blink::WebFrame* frame,
const blink::WebFormElement& form);
virtual void didCreateDataSource(blink::WebFrame* frame,
blink::WebDataSource* datasource);
virtual void didStartProvisionalLoad(blink::WebFrame* frame);
virtual void didReceiveServerRedirectForProvisionalLoad(
blink::WebFrame* frame);
virtual void didFailProvisionalLoad(blink::WebFrame* frame,
const blink::WebURLError& error);
virtual void didCommitProvisionalLoad(blink::WebFrame* frame,
bool is_new_navigation);
virtual void didClearWindowObject(blink::WebFrame* frame);
virtual void didCreateDocumentElement(blink::WebFrame* frame);
virtual void didReceiveTitle(blink::WebFrame* frame,
const blink::WebString& title,
blink::WebTextDirection direction);
virtual void didChangeIcon(blink::WebFrame*,
blink::WebIconURL::Type);
virtual void didFinishDocumentLoad(blink::WebFrame* frame);
virtual void didHandleOnloadEvents(blink::WebFrame* frame);
virtual void didFailLoad(blink::WebFrame* frame,
const blink::WebURLError& error);
virtual void didFinishLoad(blink::WebFrame* frame);
virtual void didNavigateWithinPage(blink::WebFrame* frame,
bool is_new_navigation);
virtual void didUpdateCurrentHistoryItem(blink::WebFrame* frame);
virtual void willSendRequest(blink::WebFrame* frame,
unsigned identifier,
blink::WebURLRequest& request,
const blink::WebURLResponse& redirect_response);
virtual void didReceiveResponse(blink::WebFrame* frame,
unsigned identifier,
const blink::WebURLResponse& response);
virtual void didFinishResourceLoad(blink::WebFrame* frame,
unsigned identifier);
virtual void didLoadResourceFromMemoryCache(
blink::WebFrame* frame,
const blink::WebURLRequest& request,
const blink::WebURLResponse&);
virtual void didDisplayInsecureContent(blink::WebFrame* frame);
virtual void didRunInsecureContent(
blink::WebFrame* frame,
const blink::WebSecurityOrigin& origin,
const blink::WebURL& target);
virtual void didExhaustMemoryAvailableForScript(blink::WebFrame* frame);
virtual void didCreateScriptContext(blink::WebFrame* frame,
v8::Handle<v8::Context>,
int extension_group,
int world_id);
virtual void willReleaseScriptContext(blink::WebFrame* frame,
v8::Handle<v8::Context>,
int world_id);
virtual void didChangeScrollOffset(blink::WebFrame* frame);
virtual void willInsertBody(blink::WebFrame* frame);
virtual void didFirstVisuallyNonEmptyLayout(blink::WebFrame*);
virtual void didChangeContentsSize(blink::WebFrame* frame,
const blink::WebSize& size);
virtual void reportFindInPageMatchCount(int request_id,
int count,
bool final_update);
virtual void reportFindInPageSelection(int request_id,
int active_match_ordinal,
const blink::WebRect& sel);
virtual void requestStorageQuota(
blink::WebFrame* frame,
blink::WebStorageQuotaType type,
unsigned long long requested_size,
blink::WebStorageQuotaCallbacks* callbacks);
virtual void willOpenSocketStream(
blink::WebSocketStreamHandle* handle);
virtual void willStartUsingPeerConnectionHandler(blink::WebFrame* frame,
blink::WebRTCPeerConnectionHandler* handler);
virtual bool willCheckAndDispatchMessageEvent(
blink::WebFrame* sourceFrame,
blink::WebFrame* targetFrame,
blink::WebSecurityOrigin targetOrigin,
blink::WebDOMMessageEvent event);
virtual blink::WebString acceptLanguages();
virtual blink::WebString userAgentOverride(
blink::WebFrame* frame,
const blink::WebURL& url);
virtual blink::WebString doNotTrackValue(blink::WebFrame* frame);
virtual bool allowWebGL(blink::WebFrame* frame, bool default_value);
virtual void didLoseWebGLContext(
blink::WebFrame* frame,
int arb_robustness_status_code);
// blink::WebPageSerializerClient implementation ----------------------------
virtual void didSerializeDataForFrame(
const blink::WebURL& frame_url,
const blink::WebCString& data,
PageSerializationStatus status) OVERRIDE;
// RenderView implementation -------------------------------------------------
virtual bool Send(IPC::Message* message) OVERRIDE;
virtual RenderFrame* GetMainRenderFrame() OVERRIDE;
virtual int GetRoutingID() const OVERRIDE;
virtual int GetPageId() const OVERRIDE;
virtual gfx::Size GetSize() const OVERRIDE;
virtual WebPreferences& GetWebkitPreferences() OVERRIDE;
virtual void SetWebkitPreferences(const WebPreferences& preferences) OVERRIDE;
virtual blink::WebView* GetWebView() OVERRIDE;
virtual blink::WebNode GetFocusedNode() const OVERRIDE;
virtual blink::WebNode GetContextMenuNode() const OVERRIDE;
virtual bool IsEditableNode(const blink::WebNode& node) const OVERRIDE;
virtual void EvaluateScript(const base::string16& frame_xpath,
const base::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 blink::WebPageVisibilityState GetVisibilityState() const OVERRIDE;
virtual void RunModalAlertDialog(blink::WebFrame* frame,
const blink::WebString& message) OVERRIDE;
virtual void DidStartLoading() OVERRIDE;
virtual void DidStopLoading() OVERRIDE;
virtual void Repaint(const gfx::Size& size) OVERRIDE;
virtual void SetEditCommandForNextKeyEvent(const std::string& name,
const std::string& value) OVERRIDE;
virtual void ClearEditCommands() OVERRIDE;
virtual SSLStatus GetSSLStatusOfFrame(blink::WebFrame* frame) const OVERRIDE;
virtual const std::string& GetAcceptLanguages() const OVERRIDE;
#if defined(OS_ANDROID)
virtual void UpdateTopControlsState(TopControlsState constraints,
TopControlsState current,
bool animate) OVERRIDE;
#endif
// WebMediaPlayerDelegate implementation -----------------------
virtual void DidPlay(blink::WebMediaPlayer* player) OVERRIDE;
virtual void DidPause(blink::WebMediaPlayer* player) OVERRIDE;
virtual void PlayerGone(blink::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<ImageResourceFetcher> >
ImageResourceFetcherList;
protected:
// RenderWidget overrides:
virtual void Close() OVERRIDE;
virtual void OnResize(const ViewMsg_Resize_Params& params) OVERRIDE;
virtual void DidInitiatePaint() OVERRIDE;
virtual void DidFlushPaint() OVERRIDE;
virtual PepperPluginInstanceImpl* GetBitmapForOptimizedPluginPaint(
const gfx::Rect& paint_bounds,
TransportDIB** dib,
gfx::Rect* location,
gfx::Rect* clip,
float* scale_factor) OVERRIDE;
virtual gfx::Vector2d GetScrollOffset() OVERRIDE;
virtual void DidHandleKeyEvent() OVERRIDE;
virtual bool WillHandleMouseEvent(
const blink::WebMouseEvent& event) OVERRIDE;
virtual bool WillHandleKeyEvent(
const blink::WebKeyboardEvent& event) OVERRIDE;
virtual bool WillHandleGestureEvent(
const blink::WebGestureEvent& event) OVERRIDE;
virtual void DidHandleMouseEvent(const blink::WebMouseEvent& event) OVERRIDE;
virtual void DidHandleTouchEvent(const blink::WebTouchEvent& event) OVERRIDE;
virtual bool HasTouchEventHandlersAt(const gfx::Point& point) const OVERRIDE;
virtual void OnSetFocus(bool enable) OVERRIDE;
virtual void OnWasHidden() OVERRIDE;
virtual void OnWasShown(bool needs_repainting) OVERRIDE;
virtual GURL GetURLForGraphicsContext3D() OVERRIDE;
virtual bool ForceCompositingModeEnabled() OVERRIDE;
virtual void OnImeSetComposition(
const base::string16& text,
const std::vector<blink::WebCompositionUnderline>& underlines,
int selection_start,
int selection_end) OVERRIDE;
virtual void OnImeConfirmComposition(const base::string16& text,
const gfx::Range& replacement_range,
bool keep_selection) OVERRIDE;
virtual void SetDeviceScaleFactor(float device_scale_factor) OVERRIDE;
virtual ui::TextInputType GetTextInputType() OVERRIDE;
virtual void GetSelectionBounds(gfx::Rect* start, gfx::Rect* end) OVERRIDE;
#if defined(OS_MACOSX) || defined(OS_WIN) || defined(USE_AURA)
virtual void GetCompositionCharacterBounds(
std::vector<gfx::Rect>* character_bounds) OVERRIDE;
virtual void GetCompositionRange(gfx::Range* range) OVERRIDE;
#endif
virtual bool CanComposeInline() OVERRIDE;
virtual void DidCommitCompositorFrame() OVERRIDE;
virtual void InstrumentWillBeginFrame(int frame_id) OVERRIDE;
virtual void InstrumentDidBeginFrame() OVERRIDE;
virtual void InstrumentDidCancelFrame() OVERRIDE;
virtual void InstrumentWillComposite() OVERRIDE;
virtual bool AllowPartialSwap() const OVERRIDE;
protected:
explicit RenderViewImpl(RenderViewImplParams* params);
void Initialize(RenderViewImplParams* params);
virtual void SetScreenMetricsEmulationParameters(
float device_scale_factor,
const gfx::Point& root_layer_offset,
float root_layer_scale) OVERRIDE;
// Do not delete directly. This class is reference counted.
virtual ~RenderViewImpl();
private:
// For unit tests.
friend class ExternalPopupMenuTest;
friend class PepperDeviceTest;
friend class RendererAccessibilityTest;
friend class RenderViewTest;
// TODO(nasko): Temporarily friend RenderFrameImpl, so we don't duplicate
// utility functions needed in both classes, while we move frame specific
// code away from this class.
friend class RenderFrameImpl;
FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuRemoveTest, RemoveOnChange);
FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, NormalCase);
FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest, ShowPopupThenNavigate);
FRIEND_TEST_ALL_PREFIXES(RendererAccessibilityTest,
AccessibilityMessagesQueueWhileSwappedOut);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, DecideNavigationPolicyForWebUI);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
DidFailProvisionalLoadWithErrorForError);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
DidFailProvisionalLoadWithErrorForCancellation);
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, OnExtendSelectionAndDelete);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnHandleKeyboardEvent);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnImeTypeChanged);
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, ReloadWhileSwappedOut);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
SetEditableSelectionAndComposition);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, StaleNavigationsIgnored);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, UpdateTargetURLWithInvalidURL);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
GetCompositionCharacterBoundsTest);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, OnNavigationHttpPost);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
DecideNavigationPolicyHandlesAllTopLevel);
#if defined(OS_MACOSX)
FRIEND_TEST_ALL_PREFIXES(RenderViewTest, MacTestCmdUp);
#endif
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SetHistoryLengthAndPrune);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, ZoomLimit);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, NavigateFrame);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
ShouldUpdateSelectionTextFromContextMenuParams);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, BasicRenderFrame);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, TextInputTypeWithPepper);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest,
MessageOrderInDidChangeSelection);
FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest, SendCandidateWindowEvents);
FRIEND_TEST_ALL_PREFIXES(SuppressErrorPageTest, Suppresses);
FRIEND_TEST_ALL_PREFIXES(SuppressErrorPageTest, DoesNotSuppress);
typedef std::map<GURL, double> HostZoomLevels;
enum ErrorPageType {
DNS_ERROR,
HTTP_404,
CONNECTION_ERROR,
};
static blink::WebReferrerPolicy GetReferrerPolicyFromRequest(
blink::WebFrame* frame,
const blink::WebURLRequest& request);
static Referrer GetReferrerFromRequest(
blink::WebFrame* frame,
const blink::WebURLRequest& request);
static webkit_glue::WebURLResponseExtraDataImpl* GetExtraDataFromResponse(
const blink::WebURLResponse& response);
void UpdateURL(blink::WebFrame* frame);
void UpdateTitle(blink::WebFrame* frame, const base::string16& title,
blink::WebTextDirection title_direction);
void UpdateSessionHistory(blink::WebFrame* frame);
void SendUpdateState(const blink::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(blink::WebFrame* frame,
const std::string& encoding_name);
void OpenURL(blink::WebFrame* frame,
const GURL& url,
const Referrer& referrer,
blink::WebNavigationPolicy policy);
bool RunJavaScriptMessage(JavaScriptMessageType type,
const base::string16& message,
const base::string16& default_value,
const GURL& frame_url,
base::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(blink::WebFrame* frame);
// IPC message handlers ------------------------------------------------------
//
// The documentation for these functions should be in
// content/common/*_messages.h for the message that the function is handling.
void OnCopy();
void OnCut();
void OnDelete();
void OnExecuteEditCommand(const std::string& name, const std::string& value);
void OnMoveCaret(const gfx::Point& point);
void OnPaste();
void OnPasteAndMatchStyle();
void OnRedo();
void OnReplace(const base::string16& text);
void OnReplaceMisspelling(const base::string16& text);
void OnScrollFocusedEditableNodeIntoRect(const gfx::Rect& rect);
void OnSelectAll();
void OnSelectRange(const gfx::Point& start, const gfx::Point& end);
void OnSetEditCommandsForNextKeyEvent(const EditCommands& edit_commands);
void OnUndo();
void OnUnselect();
void OnAllowBindings(int enabled_bindings_flags);
void OnAllowScriptToClose(bool script_can_close);
void OnCancelDownload(int32 download_id);
void OnClearFocusedNode();
void OnClosePage();
void OnContextMenuClosed(const CustomContextMenuContext& custom_context);
void OnShowContextMenu(const gfx::Point& location);
void OnCopyImageAt(int x, int y);
void OnCSSInsertRequest(const base::string16& frame_xpath,
const std::string& css);
void OnCustomContextMenuAction(const CustomContextMenuContext& custom_context,
unsigned action);
void OnSetName(const std::string& name);
void OnDeterminePageLanguage();
void OnDisableScrollbarsForSmallWindows(
const gfx::Size& disable_scrollbars_size_limit);
void OnDragSourceEndedOrMoved(const gfx::Point& client_point,
const gfx::Point& screen_point,
bool ended,
blink::WebDragOperation drag_operation);
void OnDragSourceSystemDragEnded();
void OnDragTargetDrop(const gfx::Point& client_pt,
const gfx::Point& screen_pt,
int key_modifiers);
void OnDragTargetDragEnter(const DropData& drop_data,
const gfx::Point& client_pt,
const gfx::Point& screen_pt,
blink::WebDragOperationsMask operations_allowed,
int key_modifiers);
void OnDragTargetDragLeave();
void OnDragTargetDragOver(const gfx::Point& client_pt,
const gfx::Point& screen_pt,
blink::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<base::FilePath>& paths);
void OnExtendSelectionAndDelete(int before, int after);
void OnFileChooserResponse(
const std::vector<ui::SelectedFileInfo>& files);
void OnFind(int request_id,
const base::string16&,
const blink::WebFindOptions&);
void OnGetAllSavableResourceLinksForCurrentPage(const GURL& page_url);
void OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
const std::vector<GURL>& links,
const std::vector<base::FilePath>& local_paths,
const base::FilePath& local_directory_name);
void OnMediaPlayerActionAt(const gfx::Point& location,
const blink::WebMediaPlayerAction& action);
void OnOrientationChangeEvent(int orientation);
void OnPluginActionAt(const gfx::Point& location,
const blink::WebPluginAction& action);
void OnMoveOrResizeStarted();
void OnNavigate(const ViewMsg_Navigate_Params& params);
void OnPostMessageEvent(const ViewMsg_PostMessage_Params& params);
void OnReleaseDisambiguationPopupDIB(TransportDIB::Handle dib_handle);
void OnReloadFrame();
void OnResetPageEncodingToDefault();
void OnScriptEvalRequest(const base::string16& frame_xpath,
const base::string16& jscript,
int id,
bool notify_result);
void OnSetAccessibilityMode(AccessibilityMode new_mode);
void OnSetActive(bool active);
void OnSetAltErrorPageURL(const GURL& gurl);
void OnSetBackground(const SkBitmap& background);
void OnSetCompositionFromExistingText(
int start, int end,
const std::vector<blink::WebCompositionUnderline>& underlines);
void OnExitFullscreen();
void OnSetEditableSelectionOffsets(int start, int end);
void OnSetHistoryLengthAndPrune(int history_length, int32 minimum_page_id);
void OnSetInitialFocus(bool reverse);
void OnSetPageEncoding(const std::string& encoding_name);
void OnSetRendererPrefs(const RendererPreferences& renderer_prefs);
void OnSetWebUIProperty(const std::string& name, const std::string& value);
void OnSetZoomLevel(double zoom_level);
void OnSetZoomLevelForLoadingURL(const GURL& url, double zoom_level);
void OnShouldClose();
void OnStop();
void OnStopFinding(StopFindAction action);
void OnSuppressDialogsUntilSwapOut();
void OnSwapOut();
void OnThemeChanged();
void OnUpdateTargetURLAck();
void OnUpdateTimezone();
void OnUpdateWebPreferences(const WebPreferences& prefs);
void OnZoom(PageZoom zoom);
void OnZoomFactor(PageZoom zoom, int zoom_center_x, int zoom_center_y);
void OnEnableViewSourceMode();
void OnDisownOpener();
void OnWindowSnapshotCompleted(const int snapshot_id,
const gfx::Size& size, const std::vector<unsigned char>& png);
#if defined(OS_ANDROID)
void OnActivateNearestFindResult(int request_id, float x, float y);
void OnFindMatchRects(int current_version);
void OnSelectPopupMenuItems(bool canceled,
const std::vector<int>& selected_indices);
void OnUndoScrollFocusedEditableNodeIntoRect();
void OnUpdateTopControlsState(bool enable_hiding,
bool enable_showing,
bool animate);
void OnPauseVideo();
void OnExtractSmartClipData(const gfx::Rect& rect);
#elif defined(OS_MACOSX)
void OnCopyToFindPboard();
void OnPluginImeCompositionCompleted(const base::string16& text,
int plugin_id);
void OnSelectPopupMenuItem(int selected_index);
void OnSetInLiveResize(bool in_live_resize);
void OnSetWindowVisibility(bool visible);
void OnWindowFrameChanged(const gfx::Rect& window_frame,
const gfx::Rect& view_frame);
#endif
// 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(PageZoom zoom, int zoom_center_x, int zoom_center_y,
float scaling_increment);
void AltErrorPageFinished(blink::WebFrame* frame,
const blink::WebURLRequest& original_request,
const blink::WebURLError& original_error,
const std::string& html);
// Check whether the preferred size has changed.
void CheckPreferredSize();
// Initializes |media_stream_client_|, returning true if successful. Returns
// false if it wasn't possible to create a MediaStreamClient (e.g., WebRTC is
// disabled) in which case |media_stream_client_| is NULL.
bool InitializeMediaStreamClient();
// This callback is triggered when DownloadFavicon completes, either
// succesfully or with a failure. See DownloadFavicon for more
// details.
void DidDownloadFavicon(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
blink::WebFrame* GetChildFrame(const base::string16& frame_xpath) const;
// Returns the URL being loaded by the given frame's request.
GURL GetLoadingUrl(blink::WebFrame* frame) const;
// Should only be called if this object wraps a PluginDocument.
blink::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);
bool MaybeLoadAlternateErrorPage(blink::WebFrame* frame,
const blink::WebURLError& error,
bool replace);
// Make this RenderView show an empty, unscriptable page.
void NavigateToSwappedOutURL(blink::WebFrame* frame);
// If we initiated a navigation, this function will populate |document_state|
// with the navigation information saved in OnNavigate().
void PopulateDocumentStateFromPending(DocumentState* document_state);
// Returns a new NavigationState populated with the navigation information
// saved in OnNavigate().
NavigationState* CreateNavigationStateFromPending();
// Processes the command-line flags --enable-viewport,
// --enable-fixed-layout[=w,h] and --enable-pinch.
void ProcessViewLayoutFlags(const CommandLine& command_line);
#if defined(OS_ANDROID)
// Launch an Android content intent with the given URL.
void LaunchAndroidContentIntent(const GURL& intent_url, size_t request_id);
blink::WebMediaPlayer* CreateAndroidWebMediaPlayer(
blink::WebFrame* frame,
const blink::WebURL& url,
blink::WebMediaPlayerClient* client);
#endif
blink::WebMediaPlayer* CreateWebMediaPlayerForMediaStream(
blink::WebFrame* frame,
const blink::WebURL& url,
blink::WebMediaPlayerClient* client);
// Sends a reply to the current find operation handling if it was a
// synchronous find request.
void SendFindReply(int request_id,
int match_count,
int ordinal,
const blink::WebRect& selection_rect,
bool final_status_update);
// Returns whether |params.selection_text| should be synchronized to the
// browser before bringing up the context menu. Static for testing.
static bool ShouldUpdateSelectionTextFromContextMenuParams(
const base::string16& selection_text,
size_t selection_text_offset,
const gfx::Range& selection_range,
const ContextMenuParams& params);
// Returns the original request url. If there is no redirect, the original
// url is the same as ds->request()->url(). If the WebDataSource belongs to a
// frame was loaded by loadData, the original url will be ds->unreachableURL()
static GURL GetOriginalRequestURL(blink::WebDataSource* ds);
// Starts nav_state_sync_timer_ if it isn't already running.
void StartNavStateSyncTimerIfNecessary();
// 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);
// Tells the browser what the new list of favicons for the webpage is.
void SendUpdateFaviconURL(const std::vector<FaviconURL>& urls);
// Invoked from DidStopLoading(). Sends the current list of loaded favicons to
// the browser.
void DidStopLoadingIcons();
// Coordinate conversion -----------------------------------------------------
gfx::RectF ClientRectToPhysicalWindowRect(const gfx::RectF& rect) const;
// Helper for LatencyInfo construction.
int64 GetLatencyComponentId();
// RenderFrameImpl accessible state ------------------------------------------
// The following section is the set of methods that RenderFrameImpl needs
// to access RenderViewImpl state. The set of state variables are page-level
// specific, so they don't belong in RenderFrameImpl and should remain in
// this object.
ObserverList<RenderViewObserver>& observers() {
return observers_;
}
// TODO(nasko): Remove this method when we move to frame proxy objects, since
// the concept of swapped out will be eliminated.
void set_is_swapped_out(bool swapped_out) {
is_swapped_out_ = swapped_out;
}
NavigationGesture navigation_gesture() {
return navigation_gesture_;
}
void set_navigation_gesture(NavigationGesture gesture) {
navigation_gesture_ = gesture;
}
// ---------------------------------------------------------------------------
// 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 ------------------------------------------------------------------
WebPreferences webkit_preferences_;
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_;
// 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_;
// Whether we must stop creating nested message loops for modal dialogs until
// OnSwapOut is called. This is necessary because modal dialogs have a
// PageGroupLoadDeferrer on the stack that interferes with swapping out.
bool suppress_dialogs_until_swap_out_;
// 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 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. May contain
// additional characters before and after the selected text, for IMEs. The
// portion of this string that is the actual selected text starts at index
// |selection_range_.GetMin() - selection_text_offset_| and has length
// |selection_range_.length()|.
base::string16 selection_text_;
// The offset corresponding to the start of |selection_text_| in the document.
size_t selection_text_offset_;
// Range over the document corresponding to the actual selected text (which
// could correspond to a substring of |selection_text_|; see above).
gfx::Range selection_range_;
// External context menu requests we're waiting for. "Internal"
// (WebKit-originated) context menu events will have an ID of 0 and will not
// be in this map.
//
// We don't want to add internal ones since some of the "special" page
// handlers in the browser process just ignore the context menu requests so
// avoid showing context menus, and so this will cause right clicks to leak
// entries in this map. Most users of the custom context menu (e.g. Pepper
// plugins) are normally only on "regular" pages and the regular pages will
// always respond properly to the request, so we don't have to worry so
// much about leaks.
IDMap<ContextMenuClient, IDMapExternalPointer> pending_context_menus_;
#if defined(OS_ANDROID)
// Cache the old top controls state constraints. Used when updating
// current value only without altering the constraints.
cc::TopControlsState top_controls_constraints_;
#endif
// 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_;
// Helper objects ------------------------------------------------------------
scoped_ptr<RenderFrameImpl> main_render_frame_;
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 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_;
// BrowserPluginManager attached to this view; lazily initialized.
scoped_refptr<BrowserPluginManager> browser_plugin_manager_;
// MediaStreamClient attached to this view; lazily initialized.
MediaStreamClient* media_stream_client_;
blink::WebUserMediaClient* web_user_media_client_;
// MIDIClient attached to this view; lazily initialized.
MIDIDispatcher* midi_dispatcher_;
DevToolsAgent* devtools_agent_;
// The current accessibility mode.
AccessibilityMode accessibility_mode_;
// Only valid if |accessibility_mode_| is anything other than
// AccessibilityModeOff.
RendererAccessibility* renderer_accessibility_;
// Mouse Lock dispatcher attached to this view.
MouseLockDispatcher* mouse_lock_dispatcher_;
#if defined(OS_ANDROID)
// Android Specific ---------------------------------------------------------
// The background color of the document body element. This is used as the
// default background color for filling the screen areas for which we don't
// have the actual content.
SkColor body_background_color_;
// 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<ContentDetector> > ContentDetectorList;
ContentDetectorList content_detectors_;
// The media player manager for managing all the media players on this view
// for communicating with the real media player objects in browser process.
RendererMediaPlayerManager* media_player_manager_;
// A date/time picker object for date and time related input elements.
scoped_ptr<RendererDateTimePicker> date_time_picker_client_;
#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
#if defined(ENABLE_PLUGINS)
// TODO(jam): these belong on RenderFrame, once the browser knows which frame
// is focused and sends the IPCs which use these to the correct frame. Until
// then, we must store these on RenderView as that's the one place that knows
// about all the RenderFrames for a page.
// Whether or not the focus is on a PPAPI plugin
PepperPluginInstanceImpl* focused_pepper_plugin_;
// The plugin instance that received the last mouse event. It is set to NULL
// if the last mouse event went to elements other than Pepper plugins.
// |pepper_last_mouse_event_target_| is not owned by this class. We depend on
// the RenderFrameImpl to NULL it out when it destructs.
PepperPluginInstanceImpl* pepper_last_mouse_event_target_;
#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, blink::WebFileChooserCompletion*> enumeration_completions_;
int enumeration_completion_id_;
// Reports load progress to the browser.
scoped_ptr<LoadProgressTracker> load_progress_tracker_;
// 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_;
// Stores edit commands associated to the next key event.
// Shall be cleared as soon as the next key event is processed.
EditCommands edit_commands_;
// The external popup for the currently showing select popup.
scoped_ptr<ExternalPopupMenu> external_popup_menu_;
// The node that the context menu was pressed over.
blink::WebNode context_menu_node_;
// All the registered observers. We expect this list to be small, so vector
// is fine.
ObserverList<RenderViewObserver> observers_;
// Used to inform didChangeSelection() when it is called in the context
// of handling a InputMsg_SelectRange IPC.
bool handling_select_range_;
// Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
scoped_ptr<MouseLockDispatcher::LockTarget> webwidget_mouse_lock_target_;
// State associated with the GetWindowSnapshot function.
int next_snapshot_id_;
typedef std::map<int, WindowSnapshotCallback> PendingSnapshotMap;
PendingSnapshotMap pending_snapshots_;
// Allows to selectively disable partial buffer swap for this renderer's
// compositor.
bool allow_partial_swap_;
// 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_;
// This field stores drag/drop related info for the event that is currently
// being handled. If the current event results in starting a drag/drop
// session, this info is sent to the browser along with other drag/drop info.
DragEventSourceInfo possible_drag_event_info_;
// NOTE: stats_collection_observer_ should be the last members because their
// constructors call the AddObservers method of RenderViewImpl.
scoped_ptr<StatsCollectionObserver> stats_collection_observer_;
ui::MenuSourceType context_menu_source_type_;
gfx::Point touch_editing_context_menu_location_;
// ---------------------------------------------------------------------------
// 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);
};
} // namespace content
#endif // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_