1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
6 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
14 #include "base/basictypes.h"
15 #include "base/gtest_prod_util.h"
16 #include "base/id_map.h"
17 #include "base/memory/linked_ptr.h"
18 #include "base/memory/weak_ptr.h"
19 #include "base/observer_list.h"
20 #include "base/process/process.h"
21 #include "base/strings/string16.h"
22 #include "base/timer/timer.h"
23 #include "build/build_config.h"
24 #include "cc/input/top_controls_state.h"
25 #include "content/common/content_export.h"
26 #include "content/common/drag_event_source_info.h"
27 #include "content/common/edit_command.h"
28 #include "content/common/gpu/client/webgraphicscontext3d_command_buffer_impl.h"
29 #include "content/common/navigation_gesture.h"
30 #include "content/common/view_message_enums.h"
31 #include "content/public/common/javascript_message_type.h"
32 #include "content/public/common/page_zoom.h"
33 #include "content/public/common/referrer.h"
34 #include "content/public/common/renderer_preferences.h"
35 #include "content/public/common/stop_find_action.h"
36 #include "content/public/common/top_controls_state.h"
37 #include "content/public/renderer/render_view.h"
38 #include "content/renderer/media/webmediaplayer_delegate.h"
39 #include "content/renderer/mouse_lock_dispatcher.h"
40 #include "content/renderer/render_frame_impl.h"
41 #include "content/renderer/render_widget.h"
42 #include "content/renderer/renderer_webcookiejar_impl.h"
43 #include "content/renderer/stats_collection_observer.h"
44 #include "ipc/ipc_platform_file.h"
45 #include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
46 #include "third_party/WebKit/public/web/WebAXObject.h"
47 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
48 #include "third_party/WebKit/public/web/WebDataSource.h"
49 #include "third_party/WebKit/public/web/WebFrameClient.h"
50 #include "third_party/WebKit/public/web/WebHistoryItem.h"
51 #include "third_party/WebKit/public/web/WebIconURL.h"
52 #include "third_party/WebKit/public/web/WebInputEvent.h"
53 #include "third_party/WebKit/public/web/WebNavigationType.h"
54 #include "third_party/WebKit/public/web/WebNode.h"
55 #include "third_party/WebKit/public/web/WebPageSerializerClient.h"
56 #include "third_party/WebKit/public/web/WebPageVisibilityState.h"
57 #include "third_party/WebKit/public/web/WebSecurityOrigin.h"
58 #include "third_party/WebKit/public/web/WebViewClient.h"
59 #include "ui/base/ui_base_types.h"
60 #include "ui/surface/transport_dib.h"
61 #include "webkit/common/webpreferences.h"
63 #if defined(OS_ANDROID)
64 #include "content/renderer/android/content_detector.h"
65 #include "third_party/WebKit/public/web/WebContentDetectionResult.h"
68 #if defined(COMPILER_MSVC)
69 // RenderViewImpl is a diamond-shaped hierarchy, with WebWidgetClient at the
70 // root. VS warns when we inherit the WebWidgetClient method implementations
71 // from RenderWidget. It's safe to ignore that warning.
72 #pragma warning(disable: 4250)
76 class PepperDeviceTest
;
78 struct PP_NetAddress_Private
;
79 struct ViewMsg_Navigate_Params
;
80 struct ViewMsg_PostMessage_Params
;
81 struct ViewMsg_StopFinding_Params
;
84 struct SelectedFileInfo
;
88 class WebApplicationCacheHost
;
89 class WebApplicationCacheHostClient
;
90 class WebDOMMessageEvent
;
92 class WebDateTimeChooserCompletion
;
94 class WebGeolocationClient
;
95 class WebGestureEvent
;
98 class WebPeerConnection00Handler
;
99 class WebPeerConnection00HandlerClient
;
100 class WebMediaPlayer
;
101 class WebMediaPlayerClient
;
103 class WebPeerConnectionHandler
;
104 class WebPeerConnectionHandlerClient
;
105 class WebSocketStreamHandle
;
106 class WebSpeechInputController
;
107 class WebSpeechInputListener
;
108 class WebSpeechRecognizer
;
109 class WebStorageNamespace
;
112 class WebUserMediaClient
;
113 struct WebActiveWheelFlingParameters
;
114 struct WebCursorInfo
;
115 struct WebDateTimeChooserParams
;
116 struct WebFileChooserParams
;
117 struct WebFindOptions
;
118 struct WebMediaPlayerAction
;
119 struct WebPluginAction
;
121 struct WebWindowFeatures
;
123 #if defined(OS_ANDROID)
124 class WebHitTestResult
;
128 namespace webkit_glue
{
129 class WebURLResponseExtraDataImpl
;
133 class BrowserPluginManager
;
134 class DeviceOrientationDispatcher
;
137 class DomAutomationController
;
138 class ExternalPopupMenu
;
140 class GeolocationDispatcher
;
141 class ImageResourceFetcher
;
142 class InputTagSpeechDispatcher
;
143 class JavaBridgeDispatcher
;
144 class LoadProgressTracker
;
145 class MIDIDispatcher
;
146 class MediaStreamClient
;
147 class MediaStreamDispatcher
;
148 class MouseLockDispatcher
;
149 class NavigationState
;
150 class NotificationProvider
;
151 class PepperPluginInstanceImpl
;
152 class RenderViewObserver
;
153 class RenderViewTest
;
154 class RendererAccessibility
;
155 class RendererDateTimePicker
;
156 class RendererPpapiHost
;
157 class RendererWebColorChooserImpl
;
158 class RenderWidgetFullscreenPepper
;
159 class SpeechRecognitionDispatcher
;
160 class StatsCollectionController
;
161 class WebPluginDelegateProxy
;
162 struct CustomContextMenuContext
;
165 struct FileChooserParams
;
166 struct RenderViewImplParams
;
168 #if defined(OS_ANDROID)
169 class RendererMediaPlayerManager
;
170 class WebMediaPlayerProxyAndroid
;
174 // RenderView is an object that manages a WebView object, and provides a
175 // communication interface with an embedding application process
177 class CONTENT_EXPORT RenderViewImpl
178 : public RenderWidget
,
179 NON_EXPORTED_BASE(public blink::WebViewClient
),
180 NON_EXPORTED_BASE(public blink::WebFrameClient
),
181 NON_EXPORTED_BASE(public blink::WebPageSerializerClient
),
183 NON_EXPORTED_BASE(public WebMediaPlayerDelegate
),
184 public base::SupportsWeakPtr
<RenderViewImpl
> {
186 // Creates a new RenderView. |opener_id| is the routing ID of the RenderView
187 // responsible for creating this RenderView.
188 static RenderViewImpl
* Create(
190 const RendererPreferences
& renderer_prefs
,
191 const WebPreferences
& webkit_prefs
,
193 int32 main_frame_routing_id
,
195 int64 session_storage_namespace_id
,
196 const string16
& frame_name
,
197 bool is_renderer_created
,
201 const blink::WebScreenInfo
& screen_info
,
202 AccessibilityMode accessibility_mode
,
203 bool allow_partial_swap
);
205 // Used by content_layouttest_support to hook into the creation of
207 static void InstallCreateHook(
208 RenderViewImpl
* (*create_render_view_impl
)(RenderViewImplParams
*));
210 // Returns the RenderViewImpl containing the given WebView.
211 static RenderViewImpl
* FromWebView(blink::WebView
* webview
);
213 // Returns the RenderViewImpl for the given routing ID.
214 static RenderViewImpl
* FromRoutingID(int routing_id
);
216 // May return NULL when the view is closing.
217 blink::WebView
* webview() const;
219 int history_list_offset() const { return history_list_offset_
; }
221 const WebPreferences
& webkit_preferences() const {
222 return webkit_preferences_
;
225 void set_send_content_state_immediately(bool value
) {
226 send_content_state_immediately_
= value
;
229 MediaStreamDispatcher
* media_stream_dispatcher() {
230 return media_stream_dispatcher_
;
233 MouseLockDispatcher
* mouse_lock_dispatcher() {
234 return mouse_lock_dispatcher_
;
237 RendererWebCookieJarImpl
* cookie_jar() { return &cookie_jar_
; }
239 // Lazily initialize this view's BrowserPluginManager and return it.
240 BrowserPluginManager
* GetBrowserPluginManager();
242 // Functions to add and remove observers for this object.
243 void AddObserver(RenderViewObserver
* observer
);
244 void RemoveObserver(RenderViewObserver
* observer
);
246 // Returns the StatsCollectionObserver associated with this view, or NULL
247 // if one wasn't created;
248 StatsCollectionObserver
* GetStatsCollectionObserver() {
249 return stats_collection_observer_
.get();
252 // Adds the given file chooser request to the file_chooser_completion_ queue
253 // (see that var for more) and requests the chooser be displayed if there are
254 // no other waiting items in the queue.
256 // Returns true if the chooser was successfully scheduled. False means we
257 // didn't schedule anything.
258 bool ScheduleFileChooser(const FileChooserParams
& params
,
259 blink::WebFileChooserCompletion
* completion
);
261 void LoadNavigationErrorPage(
262 blink::WebFrame
* frame
,
263 const blink::WebURLRequest
& failed_request
,
264 const blink::WebURLError
& error
,
265 const std::string
& html
,
268 // Plugin-related functions --------------------------------------------------
270 #if defined(ENABLE_PLUGINS)
271 // Indicates that the given instance has been created.
272 void PepperInstanceCreated(PepperPluginInstanceImpl
* instance
);
274 // Indicates that the given instance is being destroyed. This is called from
275 // the destructor, so it's important that the instance is not dereferenced
277 void PepperInstanceDeleted(PepperPluginInstanceImpl
* instance
);
279 // Notifies that |instance| has changed the cursor.
280 // This will update the cursor appearance if it is currently over the plugin
282 void PepperDidChangeCursor(PepperPluginInstanceImpl
* instance
,
283 const blink::WebCursorInfo
& cursor
);
285 // Notifies that |instance| has received a mouse event.
286 void PepperDidReceiveMouseEvent(PepperPluginInstanceImpl
* instance
);
288 // Notification that the given plugin is focused or unfocused.
289 void PepperFocusChanged(PepperPluginInstanceImpl
* instance
, bool focused
);
291 // Informs the render view that a PPAPI plugin has changed text input status.
292 void PepperTextInputTypeChanged(PepperPluginInstanceImpl
* instance
);
293 void PepperCaretPositionChanged(PepperPluginInstanceImpl
* instance
);
295 // Cancels current composition.
296 void PepperCancelComposition(PepperPluginInstanceImpl
* instance
);
298 // Informs the render view that a PPAPI plugin has changed selection.
299 void PepperSelectionChanged(PepperPluginInstanceImpl
* instance
);
301 // Creates a fullscreen container for a pepper plugin instance.
302 RenderWidgetFullscreenPepper
* CreatePepperFullscreenContainer(
303 PepperPluginInstanceImpl
* plugin
);
305 // Notification that a PPAPI plugin has been created.
306 void PepperPluginCreated(RendererPpapiHost
* host
);
308 // Retrieves the current caret position if a PPAPI plugin has focus.
309 bool GetPepperCaretBounds(gfx::Rect
* rect
);
311 bool IsPepperAcceptingCompositionEvents() const;
313 // Notification that the given plugin has crashed.
314 void PluginCrashed(const base::FilePath
& plugin_path
,
315 base::ProcessId plugin_pid
);
317 // Simulates IME events for testing purpose.
318 void SimulateImeSetComposition(
319 const string16
& text
,
320 const std::vector
<blink::WebCompositionUnderline
>& underlines
,
323 void SimulateImeConfirmComposition(const string16
& text
,
324 const gfx::Range
& replacement_range
);
326 #if defined(OS_MACOSX) || defined(OS_WIN)
327 // Informs the render view that the given plugin has gained or lost focus.
328 void PluginFocusChanged(bool focused
, int plugin_id
);
331 #if defined(OS_MACOSX)
332 // Starts plugin IME.
333 void StartPluginIme();
336 void RegisterPluginDelegate(WebPluginDelegateProxy
* delegate
);
337 void UnregisterPluginDelegate(WebPluginDelegateProxy
* delegate
);
339 // Helper function to retrieve information about a plugin for a URL and mime
340 // type. Returns false if no plugin was found.
341 // |actual_mime_type| is the actual mime type supported by the
342 // plugin found that match the URL given (one for each item in
344 bool GetPluginInfo(const GURL
& url
,
345 const GURL
& page_url
,
346 const std::string
& mime_type
,
347 WebPluginInfo
* plugin_info
,
348 std::string
* actual_mime_type
);
350 #endif // ENABLE_PLUGINS
352 void TransferActiveWheelFlingAnimation(
353 const blink::WebActiveWheelFlingParameters
& params
);
355 // Returns true if the focused element is editable text from the perspective
356 // of IME support (also used for on-screen keyboard). Works correctly inside
357 // supported PPAPI plug-ins.
358 bool HasIMETextFocus();
360 // Callback for use with GetWindowSnapshot.
361 typedef base::Callback
<void(
362 const gfx::Size
&, const std::vector
<unsigned char>&)>
363 WindowSnapshotCallback
;
365 void GetWindowSnapshot(const WindowSnapshotCallback
& callback
);
367 // Dispatches the current navigation state to the browser. Called on a
368 // periodic timer so we don't send too many messages.
369 void SyncNavigationState();
371 // Returns the length of the session history of this RenderView. Note that
372 // this only coincides with the actual length of the session history if this
373 // RenderView is the currently active RenderView of a WebContents.
374 unsigned GetLocalSessionHistoryLengthForTesting() const;
376 // Invokes OnSetFocus and marks the widget as active depending on the value
377 // of |enable|. This is used for layout tests that need to control the focus
378 // synchronously from the renderer.
379 void SetFocusAndActivateForTesting(bool enable
);
381 // Change the device scale factor and force the compositor to resize.
382 void SetDeviceScaleFactorForTesting(float factor
);
384 // Used to force the size of a window when running layout tests.
385 void ForceResizeForTesting(const gfx::Size
& new_size
);
387 void UseSynchronousResizeModeForTesting(bool enable
);
389 // Control autoresize mode.
390 void EnableAutoResizeForTesting(const gfx::Size
& min_size
,
391 const gfx::Size
& max_size
);
392 void DisableAutoResizeForTesting(const gfx::Size
& new_size
);
394 // Overrides the MediaStreamClient used when creating MediaStream players.
395 // Must be called before any players are created.
396 void SetMediaStreamClientForTesting(MediaStreamClient
* media_stream_client
);
398 // Determines whether plugins are allowed to enter fullscreen mode.
399 bool IsPluginFullscreenAllowed();
401 // IPC::Listener implementation ----------------------------------------------
403 virtual bool OnMessageReceived(const IPC::Message
& msg
) OVERRIDE
;
405 // blink::WebWidgetClient implementation ------------------------------------
407 // Most methods are handled by RenderWidget.
408 virtual void didFocus();
409 virtual void didBlur();
410 virtual void show(blink::WebNavigationPolicy policy
);
411 virtual void runModal();
412 virtual bool enterFullScreen();
413 virtual void exitFullScreen();
414 virtual bool requestPointerLock();
415 virtual void requestPointerUnlock();
416 virtual bool isPointerLocked();
417 virtual void didActivateCompositor(int input_handler_identifier
);
418 virtual void didHandleGestureEvent(const blink::WebGestureEvent
& event
,
419 bool event_cancelled
) OVERRIDE
;
420 virtual void initializeLayerTreeView() OVERRIDE
;
422 // blink::WebViewClient implementation --------------------------------------
424 virtual blink::WebView
* createView(
425 blink::WebFrame
* creator
,
426 const blink::WebURLRequest
& request
,
427 const blink::WebWindowFeatures
& features
,
428 const blink::WebString
& frame_name
,
429 blink::WebNavigationPolicy policy
,
430 bool suppress_opener
);
431 virtual blink::WebWidget
* createPopupMenu(blink::WebPopupType popup_type
);
432 virtual blink::WebExternalPopupMenu
* createExternalPopupMenu(
433 const blink::WebPopupMenuInfo
& popup_menu_info
,
434 blink::WebExternalPopupMenuClient
* popup_menu_client
);
435 virtual blink::WebStorageNamespace
* createSessionStorageNamespace();
436 virtual bool shouldReportDetailedMessageForSource(
437 const blink::WebString
& source
);
438 virtual void didAddMessageToConsole(
439 const blink::WebConsoleMessage
& message
,
440 const blink::WebString
& source_name
,
441 unsigned source_line
,
442 const blink::WebString
& stack_trace
);
443 virtual void printPage(blink::WebFrame
* frame
);
444 virtual blink::WebNotificationPresenter
* notificationPresenter();
445 virtual bool enumerateChosenDirectory(
446 const blink::WebString
& path
,
447 blink::WebFileChooserCompletion
* chooser_completion
);
448 virtual void initializeHelperPluginWebFrame(blink::WebHelperPlugin
*);
449 virtual void didStartLoading();
450 virtual void didStopLoading();
451 virtual void didChangeLoadProgress(blink::WebFrame
* frame
,
452 double load_progress
);
453 virtual void didCancelCompositionOnSelectionChange();
454 virtual void didChangeSelection(bool is_selection_empty
);
455 virtual void didExecuteCommand(const blink::WebString
& command_name
);
456 virtual bool handleCurrentKeyboardEvent();
457 virtual blink::WebColorChooser
* createColorChooser(
458 blink::WebColorChooserClient
*, const blink::WebColor
& initial_color
);
459 virtual bool runFileChooser(
460 const blink::WebFileChooserParams
& params
,
461 blink::WebFileChooserCompletion
* chooser_completion
);
462 virtual void runModalAlertDialog(blink::WebFrame
* frame
,
463 const blink::WebString
& message
);
464 virtual bool runModalConfirmDialog(blink::WebFrame
* frame
,
465 const blink::WebString
& message
);
466 virtual bool runModalPromptDialog(blink::WebFrame
* frame
,
467 const blink::WebString
& message
,
468 const blink::WebString
& default_value
,
469 blink::WebString
* actual_value
);
470 virtual bool runModalBeforeUnloadDialog(blink::WebFrame
* frame
,
472 const blink::WebString
& message
);
474 virtual bool runModalBeforeUnloadDialog(blink::WebFrame
* frame
,
475 const blink::WebString
& message
);
476 virtual void showContextMenu(blink::WebFrame
* frame
,
477 const blink::WebContextMenuData
& data
);
478 virtual void clearContextMenu();
479 virtual void setStatusText(const blink::WebString
& text
);
480 virtual void setMouseOverURL(const blink::WebURL
& url
);
481 virtual void setKeyboardFocusURL(const blink::WebURL
& url
);
482 virtual void startDragging(blink::WebFrame
* frame
,
483 const blink::WebDragData
& data
,
484 blink::WebDragOperationsMask mask
,
485 const blink::WebImage
& image
,
486 const blink::WebPoint
& imageOffset
);
487 virtual bool acceptsLoadDrops();
488 virtual void focusNext();
489 virtual void focusPrevious();
490 virtual void focusedNodeChanged(const blink::WebNode
& node
);
491 virtual void numberOfWheelEventHandlersChanged(unsigned num_handlers
);
492 virtual void didUpdateLayout();
493 #if defined(OS_ANDROID)
494 virtual bool didTapMultipleTargets(
495 const blink::WebGestureEvent
& event
,
496 const blink::WebVector
<blink::WebRect
>& target_rects
);
498 virtual void navigateBackForwardSoon(int offset
);
499 virtual int historyBackListCount();
500 virtual int historyForwardListCount();
501 virtual void postAccessibilityEvent(
502 const blink::WebAXObject
& obj
, blink::WebAXEvent event
);
503 virtual void didUpdateInspectorSetting(const blink::WebString
& key
,
504 const blink::WebString
& value
);
505 virtual blink::WebGeolocationClient
* geolocationClient();
506 virtual blink::WebSpeechInputController
* speechInputController(
507 blink::WebSpeechInputListener
* listener
);
508 virtual blink::WebSpeechRecognizer
* speechRecognizer();
509 virtual void zoomLimitsChanged(double minimum_level
, double maximum_level
);
510 virtual void zoomLevelChanged();
511 virtual double zoomLevelToZoomFactor(double zoom_level
) const;
512 virtual double zoomFactorToZoomLevel(double factor
) const;
513 virtual void registerProtocolHandler(const blink::WebString
& scheme
,
514 const blink::WebString
& base_url
,
515 const blink::WebString
& url
,
516 const blink::WebString
& title
);
517 virtual blink::WebPageVisibilityState
visibilityState() const;
518 virtual blink::WebUserMediaClient
* userMediaClient();
519 virtual blink::WebMIDIClient
* webMIDIClient();
520 virtual void draggableRegionsChanged();
522 #if defined(OS_ANDROID)
523 virtual void scheduleContentIntent(const blink::WebURL
& intent
);
524 virtual void cancelScheduledContentIntents();
525 virtual blink::WebContentDetectionResult
detectContentAround(
526 const blink::WebHitTestResult
& touch_hit
);
528 // Only used on Android since all other platforms implement
529 // date and time input fields using MULTIPLE_FIELDS_UI
530 virtual bool openDateTimeChooser(const blink::WebDateTimeChooserParams
&,
531 blink::WebDateTimeChooserCompletion
*);
532 virtual void didScrollWithKeyboard(const blink::WebSize
& delta
);
535 // blink::WebFrameClient implementation -------------------------------------
537 virtual blink::WebMediaPlayer
* createMediaPlayer(
538 blink::WebFrame
* frame
,
539 const blink::WebURL
& url
,
540 blink::WebMediaPlayerClient
* client
);
541 virtual blink::WebCookieJar
* cookieJar(blink::WebFrame
* frame
);
542 virtual void didAccessInitialDocument(blink::WebFrame
* frame
);
543 virtual void didDisownOpener(blink::WebFrame
* frame
);
544 virtual void frameDetached(blink::WebFrame
* frame
);
545 virtual void willClose(blink::WebFrame
* frame
);
546 virtual void didMatchCSS(
547 blink::WebFrame
* frame
,
548 const blink::WebVector
<blink::WebString
>& newly_matching_selectors
,
549 const blink::WebVector
<blink::WebString
>& stopped_matching_selectors
);
551 // The WebDataSource::ExtraData* is assumed to be a DocumentState* subclass.
552 virtual blink::WebNavigationPolicy
decidePolicyForNavigation(
553 blink::WebFrame
* frame
,
554 blink::WebDataSource::ExtraData
* extraData
,
555 const blink::WebURLRequest
& request
,
556 blink::WebNavigationType type
,
557 blink::WebNavigationPolicy default_policy
,
560 virtual blink::WebNavigationPolicy
decidePolicyForNavigation(
561 blink::WebFrame
* frame
,
562 const blink::WebURLRequest
& request
,
563 blink::WebNavigationType type
,
564 blink::WebNavigationPolicy default_policy
,
566 virtual void willSendSubmitEvent(blink::WebFrame
* frame
,
567 const blink::WebFormElement
& form
);
568 virtual void willSubmitForm(blink::WebFrame
* frame
,
569 const blink::WebFormElement
& form
);
570 virtual void didCreateDataSource(blink::WebFrame
* frame
,
571 blink::WebDataSource
* datasource
);
572 virtual void didStartProvisionalLoad(blink::WebFrame
* frame
);
573 virtual void didReceiveServerRedirectForProvisionalLoad(
574 blink::WebFrame
* frame
);
575 virtual void didFailProvisionalLoad(blink::WebFrame
* frame
,
576 const blink::WebURLError
& error
);
577 virtual void didCommitProvisionalLoad(blink::WebFrame
* frame
,
578 bool is_new_navigation
);
579 virtual void didClearWindowObject(blink::WebFrame
* frame
);
580 virtual void didCreateDocumentElement(blink::WebFrame
* frame
);
581 virtual void didReceiveTitle(blink::WebFrame
* frame
,
582 const blink::WebString
& title
,
583 blink::WebTextDirection direction
);
584 virtual void didChangeIcon(blink::WebFrame
*,
585 blink::WebIconURL::Type
);
586 virtual void didFinishDocumentLoad(blink::WebFrame
* frame
);
587 virtual void didHandleOnloadEvents(blink::WebFrame
* frame
);
588 virtual void didFailLoad(blink::WebFrame
* frame
,
589 const blink::WebURLError
& error
);
590 virtual void didFinishLoad(blink::WebFrame
* frame
);
591 virtual void didNavigateWithinPage(blink::WebFrame
* frame
,
592 bool is_new_navigation
);
593 virtual void didUpdateCurrentHistoryItem(blink::WebFrame
* frame
);
594 virtual void willSendRequest(blink::WebFrame
* frame
,
596 blink::WebURLRequest
& request
,
597 const blink::WebURLResponse
& redirect_response
);
598 virtual void didReceiveResponse(blink::WebFrame
* frame
,
600 const blink::WebURLResponse
& response
);
601 virtual void didFinishResourceLoad(blink::WebFrame
* frame
,
602 unsigned identifier
);
603 virtual void didLoadResourceFromMemoryCache(
604 blink::WebFrame
* frame
,
605 const blink::WebURLRequest
& request
,
606 const blink::WebURLResponse
&);
607 virtual void didDisplayInsecureContent(blink::WebFrame
* frame
);
608 virtual void didRunInsecureContent(
609 blink::WebFrame
* frame
,
610 const blink::WebSecurityOrigin
& origin
,
611 const blink::WebURL
& target
);
612 virtual void didExhaustMemoryAvailableForScript(blink::WebFrame
* frame
);
613 virtual void didCreateScriptContext(blink::WebFrame
* frame
,
614 v8::Handle
<v8::Context
>,
617 virtual void willReleaseScriptContext(blink::WebFrame
* frame
,
618 v8::Handle
<v8::Context
>,
620 virtual void didChangeScrollOffset(blink::WebFrame
* frame
);
621 virtual void willInsertBody(blink::WebFrame
* frame
);
622 virtual void didFirstVisuallyNonEmptyLayout(blink::WebFrame
*);
623 virtual void didChangeContentsSize(blink::WebFrame
* frame
,
624 const blink::WebSize
& size
);
625 virtual void reportFindInPageMatchCount(int request_id
,
628 virtual void reportFindInPageSelection(int request_id
,
629 int active_match_ordinal
,
630 const blink::WebRect
& sel
);
631 virtual void requestStorageQuota(
632 blink::WebFrame
* frame
,
633 blink::WebStorageQuotaType type
,
634 unsigned long long requested_size
,
635 blink::WebStorageQuotaCallbacks
* callbacks
);
636 virtual void willOpenSocketStream(
637 blink::WebSocketStreamHandle
* handle
);
638 virtual void willStartUsingPeerConnectionHandler(blink::WebFrame
* frame
,
639 blink::WebRTCPeerConnectionHandler
* handler
);
640 virtual bool willCheckAndDispatchMessageEvent(
641 blink::WebFrame
* sourceFrame
,
642 blink::WebFrame
* targetFrame
,
643 blink::WebSecurityOrigin targetOrigin
,
644 blink::WebDOMMessageEvent event
);
645 virtual blink::WebString
acceptLanguages();
646 virtual blink::WebString
userAgentOverride(
647 blink::WebFrame
* frame
,
648 const blink::WebURL
& url
);
649 virtual blink::WebString
doNotTrackValue(blink::WebFrame
* frame
);
650 virtual bool allowWebGL(blink::WebFrame
* frame
, bool default_value
);
651 virtual void didLoseWebGLContext(
652 blink::WebFrame
* frame
,
653 int arb_robustness_status_code
);
655 // blink::WebPageSerializerClient implementation ----------------------------
657 virtual void didSerializeDataForFrame(
658 const blink::WebURL
& frame_url
,
659 const blink::WebCString
& data
,
660 PageSerializationStatus status
) OVERRIDE
;
662 // RenderView implementation -------------------------------------------------
664 virtual bool Send(IPC::Message
* message
) OVERRIDE
;
665 virtual int GetRoutingID() const OVERRIDE
;
666 virtual int GetPageId() const OVERRIDE
;
667 virtual gfx::Size
GetSize() const OVERRIDE
;
668 virtual WebPreferences
& GetWebkitPreferences() OVERRIDE
;
669 virtual void SetWebkitPreferences(const WebPreferences
& preferences
) OVERRIDE
;
670 virtual blink::WebView
* GetWebView() OVERRIDE
;
671 virtual blink::WebNode
GetFocusedNode() const OVERRIDE
;
672 virtual blink::WebNode
GetContextMenuNode() const OVERRIDE
;
673 virtual bool IsEditableNode(const blink::WebNode
& node
) const OVERRIDE
;
674 virtual blink::WebPlugin
* CreatePlugin(
675 blink::WebFrame
* frame
,
676 const WebPluginInfo
& info
,
677 const blink::WebPluginParams
& params
) OVERRIDE
;
678 virtual void EvaluateScript(const string16
& frame_xpath
,
679 const string16
& jscript
,
681 bool notify_result
) OVERRIDE
;
682 virtual bool ShouldDisplayScrollbars(int width
, int height
) const OVERRIDE
;
683 virtual int GetEnabledBindings() const OVERRIDE
;
684 virtual bool GetContentStateImmediately() const OVERRIDE
;
685 virtual float GetFilteredTimePerFrame() const OVERRIDE
;
686 virtual int ShowContextMenu(ContextMenuClient
* client
,
687 const ContextMenuParams
& params
) OVERRIDE
;
688 virtual void CancelContextMenu(int request_id
) OVERRIDE
;
689 virtual blink::WebPageVisibilityState
GetVisibilityState() const OVERRIDE
;
690 virtual void RunModalAlertDialog(blink::WebFrame
* frame
,
691 const blink::WebString
& message
) OVERRIDE
;
692 virtual void LoadURLExternally(
693 blink::WebFrame
* frame
,
694 const blink::WebURLRequest
& request
,
695 blink::WebNavigationPolicy policy
) OVERRIDE
;
696 virtual void DidStartLoading() OVERRIDE
;
697 virtual void DidStopLoading() OVERRIDE
;
698 virtual void Repaint(const gfx::Size
& size
) OVERRIDE
;
699 virtual void SetEditCommandForNextKeyEvent(const std::string
& name
,
700 const std::string
& value
) OVERRIDE
;
701 virtual void ClearEditCommands() OVERRIDE
;
702 virtual SSLStatus
GetSSLStatusOfFrame(blink::WebFrame
* frame
) const OVERRIDE
;
703 virtual const std::string
& GetAcceptLanguages() const OVERRIDE
;
704 #if defined(OS_ANDROID)
705 virtual void UpdateTopControlsState(TopControlsState constraints
,
706 TopControlsState current
,
707 bool animate
) OVERRIDE
;
710 // WebMediaPlayerDelegate implementation -----------------------
712 virtual void DidPlay(blink::WebMediaPlayer
* player
) OVERRIDE
;
713 virtual void DidPause(blink::WebMediaPlayer
* player
) OVERRIDE
;
714 virtual void PlayerGone(blink::WebMediaPlayer
* player
) OVERRIDE
;
716 // Please do not add your stuff randomly to the end here. If there is an
717 // appropriate section, add it there. If not, there are some random functions
718 // nearer to the top you can add it to.
720 // Cannot use std::set unfortunately since linked_ptr<> does not support
722 typedef std::vector
<linked_ptr
<ImageResourceFetcher
> >
723 ImageResourceFetcherList
;
726 // RenderWidget overrides:
727 virtual void Close() OVERRIDE
;
728 virtual void OnResize(const ViewMsg_Resize_Params
& params
) OVERRIDE
;
729 virtual void DidInitiatePaint() OVERRIDE
;
730 virtual void DidFlushPaint() OVERRIDE
;
731 virtual PepperPluginInstanceImpl
* GetBitmapForOptimizedPluginPaint(
732 const gfx::Rect
& paint_bounds
,
736 float* scale_factor
) OVERRIDE
;
737 virtual gfx::Vector2d
GetScrollOffset() OVERRIDE
;
738 virtual void DidHandleKeyEvent() OVERRIDE
;
739 virtual bool WillHandleMouseEvent(
740 const blink::WebMouseEvent
& event
) OVERRIDE
;
741 virtual bool WillHandleKeyEvent(
742 const blink::WebKeyboardEvent
& event
) OVERRIDE
;
743 virtual bool WillHandleGestureEvent(
744 const blink::WebGestureEvent
& event
) OVERRIDE
;
745 virtual void DidHandleMouseEvent(const blink::WebMouseEvent
& event
) OVERRIDE
;
746 virtual void DidHandleTouchEvent(const blink::WebTouchEvent
& event
) OVERRIDE
;
747 virtual bool HasTouchEventHandlersAt(const gfx::Point
& point
) const OVERRIDE
;
748 virtual void OnSetFocus(bool enable
) OVERRIDE
;
749 virtual void OnWasHidden() OVERRIDE
;
750 virtual void OnWasShown(bool needs_repainting
) OVERRIDE
;
751 virtual GURL
GetURLForGraphicsContext3D() OVERRIDE
;
752 virtual bool ForceCompositingModeEnabled() OVERRIDE
;
753 virtual void OnImeSetComposition(
754 const string16
& text
,
755 const std::vector
<blink::WebCompositionUnderline
>& underlines
,
757 int selection_end
) OVERRIDE
;
758 virtual void OnImeConfirmComposition(const string16
& text
,
759 const gfx::Range
& replacement_range
,
760 bool keep_selection
) OVERRIDE
;
761 virtual void SetDeviceScaleFactor(float device_scale_factor
) OVERRIDE
;
762 virtual ui::TextInputType
GetTextInputType() OVERRIDE
;
763 virtual void GetSelectionBounds(gfx::Rect
* start
, gfx::Rect
* end
) OVERRIDE
;
764 #if defined(OS_MACOSX) || defined(OS_WIN) || defined(USE_AURA)
765 virtual void GetCompositionCharacterBounds(
766 std::vector
<gfx::Rect
>* character_bounds
) OVERRIDE
;
767 virtual void GetCompositionRange(gfx::Range
* range
) OVERRIDE
;
769 virtual bool CanComposeInline() OVERRIDE
;
770 virtual void DidCommitCompositorFrame() OVERRIDE
;
771 virtual void InstrumentWillBeginFrame(int frame_id
) OVERRIDE
;
772 virtual void InstrumentDidBeginFrame() OVERRIDE
;
773 virtual void InstrumentDidCancelFrame() OVERRIDE
;
774 virtual void InstrumentWillComposite() OVERRIDE
;
775 virtual bool AllowPartialSwap() const OVERRIDE
;
778 explicit RenderViewImpl(RenderViewImplParams
* params
);
780 void Initialize(RenderViewImplParams
* params
);
781 virtual void SetScreenMetricsEmulationParameters(
782 float device_scale_factor
,
783 const gfx::Point
& root_layer_offset
,
784 float root_layer_scale
) OVERRIDE
;
786 // Do not delete directly. This class is reference counted.
787 virtual ~RenderViewImpl();
791 friend class ExternalPopupMenuTest
;
792 friend class PepperDeviceTest
;
793 friend class RendererAccessibilityTest
;
794 friend class RenderViewTest
;
796 // TODO(nasko): Temporarily friend RenderFrameImpl, so we don't duplicate
797 // utility functions needed in both classes, while we move frame specific
798 // code away from this class.
799 friend class RenderFrameImpl
;
801 FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuRemoveTest
, RemoveOnChange
);
802 FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest
, NormalCase
);
803 FRIEND_TEST_ALL_PREFIXES(ExternalPopupMenuTest
, ShowPopupThenNavigate
);
804 FRIEND_TEST_ALL_PREFIXES(RendererAccessibilityTest
,
805 AccessibilityMessagesQueueWhileSwappedOut
);
806 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, DecideNavigationPolicyForWebUI
);
807 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
,
808 DidFailProvisionalLoadWithErrorForError
);
809 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
,
810 DidFailProvisionalLoadWithErrorForCancellation
);
811 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
,
812 DontIgnoreBackAfterNavEntryLimit
);
813 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, ImeComposition
);
814 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, InsertCharacters
);
815 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, JSBlockSentAfterPageLoad
);
816 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, LastCommittedUpdateState
);
817 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, OnExtendSelectionAndDelete
);
818 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, OnHandleKeyboardEvent
);
819 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, OnImeTypeChanged
);
820 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, OnNavStateChanged
);
821 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, OnSetTextDirection
);
822 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, OnUpdateWebPreferences
);
823 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, SendSwapOutACK
);
824 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, ReloadWhileSwappedOut
);
825 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
,
826 SetEditableSelectionAndComposition
);
827 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, StaleNavigationsIgnored
);
828 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, UpdateTargetURLWithInvalidURL
);
829 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
,
830 GetCompositionCharacterBoundsTest
);
831 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, OnNavigationHttpPost
);
832 #if defined(OS_MACOSX)
833 FRIEND_TEST_ALL_PREFIXES(RenderViewTest
, MacTestCmdUp
);
835 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, SetHistoryLengthAndPrune
);
836 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, ZoomLimit
);
837 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, NavigateFrame
);
838 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
,
839 ShouldUpdateSelectionTextFromContextMenuParams
);
840 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, BasicRenderFrame
);
841 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
, TextInputTypeWithPepper
);
842 FRIEND_TEST_ALL_PREFIXES(RenderViewImplTest
,
843 MessageOrderInDidChangeSelection
);
844 FRIEND_TEST_ALL_PREFIXES(SuppressErrorPageTest
, Suppresses
);
845 FRIEND_TEST_ALL_PREFIXES(SuppressErrorPageTest
, DoesNotSuppress
);
847 typedef std::map
<GURL
, double> HostZoomLevels
;
855 static blink::WebReferrerPolicy
GetReferrerPolicyFromRequest(
856 blink::WebFrame
* frame
,
857 const blink::WebURLRequest
& request
);
859 static Referrer
GetReferrerFromRequest(
860 blink::WebFrame
* frame
,
861 const blink::WebURLRequest
& request
);
863 static webkit_glue::WebURLResponseExtraDataImpl
* GetExtraDataFromResponse(
864 const blink::WebURLResponse
& response
);
866 void UpdateURL(blink::WebFrame
* frame
);
867 void UpdateTitle(blink::WebFrame
* frame
, const string16
& title
,
868 blink::WebTextDirection title_direction
);
869 void UpdateSessionHistory(blink::WebFrame
* frame
);
870 void SendUpdateState(const blink::WebHistoryItem
& item
);
872 // Update current main frame's encoding and send it to browser window.
873 // Since we want to let users see the right encoding info from menu
874 // before finishing loading, we call the UpdateEncoding in
875 // a) function:DidCommitLoadForFrame. When this function is called,
876 // that means we have got first data. In here we try to get encoding
877 // of page if it has been specified in http header.
878 // b) function:DidReceiveTitle. When this function is called,
879 // that means we have got specified title. Because in most of webpages,
880 // title tags will follow meta tags. In here we try to get encoding of
881 // page if it has been specified in meta tag.
882 // c) function:DidFinishDocumentLoadForFrame. When this function is
883 // called, that means we have got whole html page. In here we should
884 // finally get right encoding of page.
885 void UpdateEncoding(blink::WebFrame
* frame
,
886 const std::string
& encoding_name
);
888 void OpenURL(blink::WebFrame
* frame
,
890 const Referrer
& referrer
,
891 blink::WebNavigationPolicy policy
);
893 bool RunJavaScriptMessage(JavaScriptMessageType type
,
894 const string16
& message
,
895 const string16
& default_value
,
896 const GURL
& frame_url
,
899 // Sends a message and runs a nested message loop.
900 bool SendAndRunNestedMessageLoop(IPC::SyncMessage
* message
);
902 // Called when the "pinned to left/right edge" state needs to be updated.
903 void UpdateScrollState(blink::WebFrame
* frame
);
905 // IPC message handlers ------------------------------------------------------
907 // The documentation for these functions should be in
908 // content/common/*_messages.h for the message that the function is handling.
913 void OnExecuteEditCommand(const std::string
& name
, const std::string
& value
);
914 void OnMoveCaret(const gfx::Point
& point
);
916 void OnPasteAndMatchStyle();
918 void OnReplace(const string16
& text
);
919 void OnReplaceMisspelling(const string16
& text
);
920 void OnScrollFocusedEditableNodeIntoRect(const gfx::Rect
& rect
);
922 void OnSelectRange(const gfx::Point
& start
, const gfx::Point
& end
);
923 void OnSetEditCommandsForNextKeyEvent(const EditCommands
& edit_commands
);
926 void OnAllowBindings(int enabled_bindings_flags
);
927 void OnAllowScriptToClose(bool script_can_close
);
928 void OnCancelDownload(int32 download_id
);
929 void OnClearFocusedNode();
931 void OnContextMenuClosed(const CustomContextMenuContext
& custom_context
);
932 void OnShowContextMenu(const gfx::Point
& location
);
933 void OnCopyImageAt(int x
, int y
);
934 void OnCSSInsertRequest(const string16
& frame_xpath
,
935 const std::string
& css
);
936 void OnCustomContextMenuAction(const CustomContextMenuContext
& custom_context
,
938 void OnSetName(const std::string
& name
);
939 void OnDeterminePageLanguage();
940 void OnDisableScrollbarsForSmallWindows(
941 const gfx::Size
& disable_scrollbars_size_limit
);
942 void OnDragSourceEndedOrMoved(const gfx::Point
& client_point
,
943 const gfx::Point
& screen_point
,
945 blink::WebDragOperation drag_operation
);
946 void OnDragSourceSystemDragEnded();
947 void OnDragTargetDrop(const gfx::Point
& client_pt
,
948 const gfx::Point
& screen_pt
,
950 void OnDragTargetDragEnter(const DropData
& drop_data
,
951 const gfx::Point
& client_pt
,
952 const gfx::Point
& screen_pt
,
953 blink::WebDragOperationsMask operations_allowed
,
955 void OnDragTargetDragLeave();
956 void OnDragTargetDragOver(const gfx::Point
& client_pt
,
957 const gfx::Point
& screen_pt
,
958 blink::WebDragOperationsMask operations_allowed
,
960 void OnEnablePreferredSizeChangedMode();
961 void OnEnableAutoResize(const gfx::Size
& min_size
, const gfx::Size
& max_size
);
962 void OnDisableAutoResize(const gfx::Size
& new_size
);
963 void OnEnumerateDirectoryResponse(int id
,
964 const std::vector
<base::FilePath
>& paths
);
965 void OnExtendSelectionAndDelete(int before
, int after
);
966 void OnFileChooserResponse(
967 const std::vector
<ui::SelectedFileInfo
>& files
);
968 void OnFind(int request_id
, const string16
&, const blink::WebFindOptions
&);
969 void OnGetAllSavableResourceLinksForCurrentPage(const GURL
& page_url
);
970 void OnGetSerializedHtmlDataForCurrentPageWithLocalLinks(
971 const std::vector
<GURL
>& links
,
972 const std::vector
<base::FilePath
>& local_paths
,
973 const base::FilePath
& local_directory_name
);
974 void OnMediaPlayerActionAt(const gfx::Point
& location
,
975 const blink::WebMediaPlayerAction
& action
);
976 void OnOrientationChangeEvent(int orientation
);
977 void OnPluginActionAt(const gfx::Point
& location
,
978 const blink::WebPluginAction
& action
);
979 void OnMoveOrResizeStarted();
980 void OnNavigate(const ViewMsg_Navigate_Params
& params
);
981 void OnPostMessageEvent(const ViewMsg_PostMessage_Params
& params
);
982 void OnReleaseDisambiguationPopupDIB(TransportDIB::Handle dib_handle
);
983 void OnReloadFrame();
984 void OnResetPageEncodingToDefault();
985 void OnScriptEvalRequest(const string16
& frame_xpath
,
986 const string16
& jscript
,
989 void OnSetAccessibilityMode(AccessibilityMode new_mode
);
990 void OnSetActive(bool active
);
991 void OnSetAltErrorPageURL(const GURL
& gurl
);
992 void OnSetBackground(const SkBitmap
& background
);
993 void OnSetCompositionFromExistingText(
995 const std::vector
<blink::WebCompositionUnderline
>& underlines
);
996 void OnExitFullscreen();
997 void OnSetEditableSelectionOffsets(int start
, int end
);
998 void OnSetHistoryLengthAndPrune(int history_length
, int32 minimum_page_id
);
999 void OnSetInitialFocus(bool reverse
);
1000 void OnSetPageEncoding(const std::string
& encoding_name
);
1001 void OnSetRendererPrefs(const RendererPreferences
& renderer_prefs
);
1002 void OnSetWebUIProperty(const std::string
& name
, const std::string
& value
);
1003 void OnSetZoomLevel(double zoom_level
);
1004 void OnSetZoomLevelForLoadingURL(const GURL
& url
, double zoom_level
);
1005 void OnShouldClose();
1007 void OnStopFinding(StopFindAction action
);
1008 void OnSuppressDialogsUntilSwapOut();
1010 void OnThemeChanged();
1011 void OnUpdateTargetURLAck();
1012 void OnUpdateTimezone();
1013 void OnUpdateWebPreferences(const WebPreferences
& prefs
);
1014 void OnZoom(PageZoom zoom
);
1015 void OnZoomFactor(PageZoom zoom
, int zoom_center_x
, int zoom_center_y
);
1016 void OnEnableViewSourceMode();
1017 void OnDisownOpener();
1018 void OnWindowSnapshotCompleted(const int snapshot_id
,
1019 const gfx::Size
& size
, const std::vector
<unsigned char>& png
);
1020 #if defined(OS_ANDROID)
1021 void OnActivateNearestFindResult(int request_id
, float x
, float y
);
1022 void OnFindMatchRects(int current_version
);
1023 void OnSelectPopupMenuItems(bool canceled
,
1024 const std::vector
<int>& selected_indices
);
1025 void OnUndoScrollFocusedEditableNodeIntoRect();
1026 void OnUpdateTopControlsState(bool enable_hiding
,
1027 bool enable_showing
,
1029 void OnPauseVideo();
1031 #elif defined(OS_MACOSX)
1032 void OnCopyToFindPboard();
1033 void OnPluginImeCompositionCompleted(const string16
& text
, int plugin_id
);
1034 void OnSelectPopupMenuItem(int selected_index
);
1035 void OnSetInLiveResize(bool in_live_resize
);
1036 void OnSetWindowVisibility(bool visible
);
1037 void OnWindowFrameChanged(const gfx::Rect
& window_frame
,
1038 const gfx::Rect
& view_frame
);
1041 // Adding a new message handler? Please add it in alphabetical order above
1042 // and put it in the same position in the .cc file.
1044 // Misc private functions ----------------------------------------------------
1045 void ZoomFactorHelper(PageZoom zoom
, int zoom_center_x
, int zoom_center_y
,
1046 float scaling_increment
);
1048 void AltErrorPageFinished(blink::WebFrame
* frame
,
1049 const blink::WebURLRequest
& original_request
,
1050 const blink::WebURLError
& original_error
,
1051 const std::string
& html
);
1053 // Check whether the preferred size has changed.
1054 void CheckPreferredSize();
1056 // Initializes |media_stream_client_|, returning true if successful. Returns
1057 // false if it wasn't possible to create a MediaStreamClient (e.g., WebRTC is
1058 // disabled) in which case |media_stream_client_| is NULL.
1059 bool InitializeMediaStreamClient();
1061 // This callback is triggered when DownloadFavicon completes, either
1062 // succesfully or with a failure. See DownloadFavicon for more
1064 void DidDownloadFavicon(ImageResourceFetcher
* fetcher
,
1065 const SkBitmap
& image
);
1067 // Requests to download a favicon image. When done, the RenderView is notified
1068 // by way of DidDownloadFavicon. Returns true if the request was successfully
1069 // started, false otherwise. id is used to uniquely identify the request and
1070 // passed back to the DidDownloadFavicon method. If the image has multiple
1071 // frames, the frame whose size is image_size is returned. If the image
1072 // doesn't have a frame at the specified size, the first is returned.
1073 bool DownloadFavicon(int id
, const GURL
& image_url
, int image_size
);
1075 GURL
GetAlternateErrorPageURL(const GURL
& failed_url
,
1076 ErrorPageType error_type
);
1078 // Locates a sub frame with given xpath
1079 blink::WebFrame
* GetChildFrame(const string16
& frame_xpath
) const;
1081 // Returns the URL being loaded by the given frame's request.
1082 GURL
GetLoadingUrl(blink::WebFrame
* frame
) const;
1084 // Should only be called if this object wraps a PluginDocument.
1085 blink::WebPlugin
* GetWebPluginFromPluginDocument();
1087 // Returns true if the |params| navigation is to an entry that has been
1088 // cropped due to a recent navigation the browser did not know about.
1089 bool IsBackForwardToStaleEntry(const ViewMsg_Navigate_Params
& params
,
1092 bool MaybeLoadAlternateErrorPage(blink::WebFrame
* frame
,
1093 const blink::WebURLError
& error
,
1096 // Make this RenderView show an empty, unscriptable page.
1097 void NavigateToSwappedOutURL(blink::WebFrame
* frame
);
1099 // If we initiated a navigation, this function will populate |document_state|
1100 // with the navigation information saved in OnNavigate().
1101 void PopulateDocumentStateFromPending(DocumentState
* document_state
);
1103 // Returns a new NavigationState populated with the navigation information
1104 // saved in OnNavigate().
1105 NavigationState
* CreateNavigationStateFromPending();
1107 // Processes the command-line flags --enable-viewport,
1108 // --enable-fixed-layout[=w,h] and --enable-pinch.
1109 void ProcessViewLayoutFlags(const CommandLine
& command_line
);
1111 #if defined(OS_ANDROID)
1112 // Launch an Android content intent with the given URL.
1113 void LaunchAndroidContentIntent(const GURL
& intent_url
, size_t request_id
);
1115 blink::WebMediaPlayer
* CreateAndroidWebMediaPlayer(
1116 blink::WebFrame
* frame
,
1117 const blink::WebURL
& url
,
1118 blink::WebMediaPlayerClient
* client
);
1121 blink::WebMediaPlayer
* CreateWebMediaPlayerForMediaStream(
1122 blink::WebFrame
* frame
,
1123 const blink::WebURL
& url
,
1124 blink::WebMediaPlayerClient
* client
);
1126 // Sends a reply to the current find operation handling if it was a
1127 // synchronous find request.
1128 void SendFindReply(int request_id
,
1131 const blink::WebRect
& selection_rect
,
1132 bool final_status_update
);
1134 // Returns whether |params.selection_text| should be synchronized to the
1135 // browser before bringing up the context menu. Static for testing.
1136 static bool ShouldUpdateSelectionTextFromContextMenuParams(
1137 const string16
& selection_text
,
1138 size_t selection_text_offset
,
1139 const gfx::Range
& selection_range
,
1140 const ContextMenuParams
& params
);
1142 // Starts nav_state_sync_timer_ if it isn't already running.
1143 void StartNavStateSyncTimerIfNecessary();
1145 // Dispatches the current state of selection on the webpage to the browser if
1147 // TODO(varunjain): delete this method once we figure out how to keep
1148 // selection handles in sync with the webpage.
1149 void SyncSelectionIfRequired();
1151 #if defined(OS_POSIX) && !defined(OS_MACOSX)
1152 void UpdateFontRenderingFromRendererPrefs();
1154 void UpdateFontRenderingFromRendererPrefs() {}
1157 // Update the target url and tell the browser that the target URL has changed.
1158 // If |url| is empty, show |fallback_url|.
1159 void UpdateTargetURL(const GURL
& url
, const GURL
& fallback_url
);
1161 // Tells the browser what the new list of favicons for the webpage is.
1162 void SendUpdateFaviconURL(const std::vector
<FaviconURL
>& urls
);
1164 // Invoked from DidStopLoading(). Sends the current list of loaded favicons to
1166 void DidStopLoadingIcons();
1168 // Coordinate conversion -----------------------------------------------------
1170 gfx::RectF
ClientRectToPhysicalWindowRect(const gfx::RectF
& rect
) const;
1172 // Helper for LatencyInfo construction.
1173 int64
GetLatencyComponentId();
1175 // RenderFrameImpl accessible state ------------------------------------------
1176 // The following section is the set of methods that RenderFrameImpl needs
1177 // to access RenderViewImpl state. The set of state variables are page-level
1178 // specific, so they don't belong in RenderFrameImpl and should remain in
1180 ObserverList
<RenderViewObserver
>& observers() {
1184 // TODO(nasko): Remove this method when we move to frame proxy objects, since
1185 // the concept of swapped out will be eliminated.
1186 void set_is_swapped_out(bool swapped_out
) {
1187 is_swapped_out_
= swapped_out
;
1190 NavigationGesture
navigation_gesture() {
1191 return navigation_gesture_
;
1193 void set_navigation_gesture(NavigationGesture gesture
) {
1194 navigation_gesture_
= gesture
;
1197 // ---------------------------------------------------------------------------
1198 // ADDING NEW FUNCTIONS? Please keep private functions alphabetized and put
1199 // it in the same order in the .cc file as it was in the header.
1200 // ---------------------------------------------------------------------------
1202 // Settings ------------------------------------------------------------------
1204 WebPreferences webkit_preferences_
;
1205 RendererPreferences renderer_preferences_
;
1207 HostZoomLevels host_zoom_levels_
;
1209 // Whether content state (such as form state, scroll position and page
1210 // contents) should be sent to the browser immediately. This is normally
1211 // false, but set to true by some tests.
1212 bool send_content_state_immediately_
;
1214 // Bitwise-ORed set of extra bindings that have been enabled. See
1215 // BindingsPolicy for details.
1216 int enabled_bindings_
;
1218 // The alternate error page URL, if one exists.
1219 GURL alternate_error_page_url_
;
1221 // If true, we send IPC messages when |preferred_size_| changes.
1222 bool send_preferred_size_changes_
;
1224 // If non-empty, and |send_preferred_size_changes_| is true, disable drawing
1225 // scroll bars on windows smaller than this size. Used for windows that the
1226 // browser resizes to the size of the content, such as browser action popups.
1227 // If a render view is set to the minimum size of its content, webkit may add
1228 // scroll bars. This makes sense for fixed sized windows, but it does not
1229 // make sense when the size of the view was chosen to fit the content.
1230 // This setting ensures that no scroll bars are drawn. The size limit exists
1231 // because if the view grows beyond a size known to the browser, scroll bars
1233 gfx::Size disable_scrollbars_size_limit_
;
1235 // Loading state -------------------------------------------------------------
1237 // True if the top level frame is currently being loaded.
1240 // The gesture that initiated the current navigation.
1241 NavigationGesture navigation_gesture_
;
1244 bool opened_by_user_gesture_
;
1246 // Whether this RenderView was created by a frame that was suppressing its
1247 // opener. If so, we may want to load pages in a separate process. See
1248 // decidePolicyForNavigation for details.
1249 bool opener_suppressed_
;
1251 // Whether we must stop creating nested message loops for modal dialogs until
1252 // OnSwapOut is called. This is necessary because modal dialogs have a
1253 // PageGroupLoadDeferrer on the stack that interferes with swapping out.
1254 bool suppress_dialogs_until_swap_out_
;
1256 // Holds state pertaining to a navigation that we initiated. This is held by
1257 // the WebDataSource::ExtraData attribute. We use pending_navigation_state_
1258 // as a temporary holder for the state until the WebDataSource corresponding
1259 // to the new navigation is created. See DidCreateDataSource.
1260 scoped_ptr
<ViewMsg_Navigate_Params
> pending_navigation_params_
;
1262 // Timer used to delay the updating of nav state (see SyncNavigationState).
1263 base::OneShotTimer
<RenderViewImpl
> nav_state_sync_timer_
;
1265 // Page IDs ------------------------------------------------------------------
1266 // See documentation in RenderView.
1269 // Indicates the ID of the last page that we sent a FrameNavigate to the
1270 // browser for. This is used to determine if the most recent transition
1271 // generated a history entry (less than page_id_), or not (equal to or
1272 // greater than). Note that this will be greater than page_id_ if the user
1274 int32 last_page_id_sent_to_browser_
;
1276 // The next available page ID to use for this RenderView. These IDs are
1277 // specific to a given RenderView and the frames within it.
1278 int32 next_page_id_
;
1280 // The offset of the current item in the history list.
1281 int history_list_offset_
;
1283 // The RenderView's current impression of the history length. This includes
1284 // any items that have committed in this process, but because of cross-process
1285 // navigations, the history may have some entries that were committed in other
1286 // processes. We won't know about them until the next navigation in this
1288 int history_list_length_
;
1290 // The list of page IDs for each history item this RenderView knows about.
1291 // Some entries may be -1 if they were rendered by other processes or were
1292 // restored from a previous session. This lets us detect attempts to
1293 // navigate to stale entries that have been cropped from our history.
1294 std::vector
<int32
> history_page_ids_
;
1296 // Page info -----------------------------------------------------------------
1298 // The last gotten main frame's encoding.
1299 std::string last_encoding_name_
;
1301 // UI state ------------------------------------------------------------------
1303 // The state of our target_url transmissions. When we receive a request to
1304 // send a URL to the browser, we set this to TARGET_INFLIGHT until an ACK
1305 // comes back - if a new request comes in before the ACK, we store the new
1306 // URL in pending_target_url_ and set the status to TARGET_PENDING. If an
1307 // ACK comes back and we are in TARGET_PENDING, we send the stored URL and
1308 // revert to TARGET_INFLIGHT.
1310 // We don't need a queue of URLs to send, as only the latest is useful.
1313 TARGET_INFLIGHT
, // We have a request in-flight, waiting for an ACK
1314 TARGET_PENDING
// INFLIGHT + we have a URL waiting to be sent
1315 } target_url_status_
;
1317 // The URL we show the user in the status bar. We use this to determine if we
1318 // want to send a new one (we do not need to send duplicates). It will be
1319 // equal to either |mouse_over_url_| or |focus_url_|, depending on which was
1323 // The URL the user's mouse is hovering over.
1324 GURL mouse_over_url_
;
1326 // The URL that has keyboard focus.
1329 // The next target URL we want to send to the browser.
1330 GURL pending_target_url_
;
1332 // The text selection the last time DidChangeSelection got called. May contain
1333 // additional characters before and after the selected text, for IMEs. The
1334 // portion of this string that is the actual selected text starts at index
1335 // |selection_range_.GetMin() - selection_text_offset_| and has length
1336 // |selection_range_.length()|.
1337 string16 selection_text_
;
1338 // The offset corresponding to the start of |selection_text_| in the document.
1339 size_t selection_text_offset_
;
1340 // Range over the document corresponding to the actual selected text (which
1341 // could correspond to a substring of |selection_text_|; see above).
1342 gfx::Range selection_range_
;
1344 // External context menu requests we're waiting for. "Internal"
1345 // (WebKit-originated) context menu events will have an ID of 0 and will not
1348 // We don't want to add internal ones since some of the "special" page
1349 // handlers in the browser process just ignore the context menu requests so
1350 // avoid showing context menus, and so this will cause right clicks to leak
1351 // entries in this map. Most users of the custom context menu (e.g. Pepper
1352 // plugins) are normally only on "regular" pages and the regular pages will
1353 // always respond properly to the request, so we don't have to worry so
1354 // much about leaks.
1355 IDMap
<ContextMenuClient
, IDMapExternalPointer
> pending_context_menus_
;
1357 #if defined(OS_ANDROID)
1358 // Cache the old top controls state constraints. Used when updating
1359 // current value only without altering the constraints.
1360 cc::TopControlsState top_controls_constraints_
;
1363 // View ----------------------------------------------------------------------
1365 // Cache the preferred size of the page in order to prevent sending the IPC
1366 // when layout() recomputes but doesn't actually change sizes.
1367 gfx::Size preferred_size_
;
1369 // Used to delay determining the preferred size (to avoid intermediate
1370 // states for the sizes).
1371 base::OneShotTimer
<RenderViewImpl
> check_preferred_size_timer_
;
1373 // These store the "is main frame is scrolled all the way to the left
1374 // or right" state that was last sent to the browser.
1375 bool cached_is_main_frame_pinned_to_left_
;
1376 bool cached_is_main_frame_pinned_to_right_
;
1378 // These store the "has scrollbars" state last sent to the browser.
1379 bool cached_has_main_frame_horizontal_scrollbar_
;
1380 bool cached_has_main_frame_vertical_scrollbar_
;
1382 // Helper objects ------------------------------------------------------------
1384 scoped_ptr
<RenderFrameImpl
> main_render_frame_
;
1386 RendererWebCookieJarImpl cookie_jar_
;
1388 // The next group of objects all implement RenderViewObserver, so are deleted
1389 // along with the RenderView automatically. This is why we just store
1392 // Holds a reference to the service which provides desktop notifications.
1393 NotificationProvider
* notification_provider_
;
1395 // The geolocation dispatcher attached to this view, lazily initialized.
1396 GeolocationDispatcher
* geolocation_dispatcher_
;
1398 // The speech dispatcher attached to this view, lazily initialized.
1399 InputTagSpeechDispatcher
* input_tag_speech_dispatcher_
;
1401 // The speech recognition dispatcher attached to this view, lazily
1403 SpeechRecognitionDispatcher
* speech_recognition_dispatcher_
;
1405 // Device orientation dispatcher attached to this view; lazily initialized.
1406 DeviceOrientationDispatcher
* device_orientation_dispatcher_
;
1408 // MediaStream dispatcher attached to this view; lazily initialized.
1409 MediaStreamDispatcher
* media_stream_dispatcher_
;
1411 // BrowserPluginManager attached to this view; lazily initialized.
1412 scoped_refptr
<BrowserPluginManager
> browser_plugin_manager_
;
1414 // MediaStreamClient attached to this view; lazily initialized.
1415 MediaStreamClient
* media_stream_client_
;
1416 blink::WebUserMediaClient
* web_user_media_client_
;
1418 // MIDIClient attached to this view; lazily initialized.
1419 MIDIDispatcher
* midi_dispatcher_
;
1421 DevToolsAgent
* devtools_agent_
;
1423 // The current accessibility mode.
1424 AccessibilityMode accessibility_mode_
;
1426 // Only valid if |accessibility_mode_| is anything other than
1427 // AccessibilityModeOff.
1428 RendererAccessibility
* renderer_accessibility_
;
1430 // Mouse Lock dispatcher attached to this view.
1431 MouseLockDispatcher
* mouse_lock_dispatcher_
;
1433 #if defined(OS_ANDROID)
1434 // Android Specific ---------------------------------------------------------
1436 // The background color of the document body element. This is used as the
1437 // default background color for filling the screen areas for which we don't
1438 // have the actual content.
1439 SkColor body_background_color_
;
1441 // Expected id of the next content intent launched. Used to prevent scheduled
1442 // intents to be launched if aborted.
1443 size_t expected_content_intent_id_
;
1445 // List of click-based content detectors.
1446 typedef std::vector
< linked_ptr
<ContentDetector
> > ContentDetectorList
;
1447 ContentDetectorList content_detectors_
;
1449 // The media player manager for managing all the media players on this view
1450 // for communicating with the real media player objects in browser process.
1451 RendererMediaPlayerManager
* media_player_manager_
;
1453 // A date/time picker object for date and time related input elements.
1454 scoped_ptr
<RendererDateTimePicker
> date_time_picker_client_
;
1457 // Plugins -------------------------------------------------------------------
1459 // All the currently active plugin delegates for this RenderView; kept so
1460 // that we can enumerate them to send updates about things like window
1461 // location or tab focus and visibily. These are non-owning references.
1462 std::set
<WebPluginDelegateProxy
*> plugin_delegates_
;
1465 // The ID of the focused NPAPI plug-in.
1466 int focused_plugin_id_
;
1469 #if defined(ENABLE_PLUGINS)
1470 typedef std::set
<PepperPluginInstanceImpl
*> PepperPluginSet
;
1471 PepperPluginSet active_pepper_instances_
;
1473 // Whether or not the focus is on a PPAPI plugin
1474 PepperPluginInstanceImpl
* focused_pepper_plugin_
;
1476 // Current text input composition text. Empty if no composition is in
1478 string16 pepper_composition_text_
;
1480 // The plugin instance that received the last mouse event. It is set to NULL
1481 // if the last mouse event went to elements other than Pepper plugins.
1482 // |pepper_last_mouse_event_target_| is not owned by this class. We can know
1483 // about when it is destroyed via InstanceDeleted().
1484 PepperPluginInstanceImpl
* pepper_last_mouse_event_target_
;
1487 // Misc ----------------------------------------------------------------------
1489 // The current and pending file chooser completion objects. If the queue is
1490 // nonempty, the first item represents the currently running file chooser
1491 // callback, and the remaining elements are the other file chooser completion
1492 // still waiting to be run (in order).
1493 struct PendingFileChooser
;
1494 std::deque
< linked_ptr
<PendingFileChooser
> > file_chooser_completions_
;
1496 // The current directory enumeration callback
1497 std::map
<int, blink::WebFileChooserCompletion
*> enumeration_completions_
;
1498 int enumeration_completion_id_
;
1500 // Reports load progress to the browser.
1501 scoped_ptr
<LoadProgressTracker
> load_progress_tracker_
;
1503 // The SessionStorage namespace that we're assigned to has an ID, and that ID
1504 // is passed to us upon creation. WebKit asks for this ID upon first use and
1505 // uses it whenever asking the browser process to allocate new storage areas.
1506 int64 session_storage_namespace_id_
;
1508 // Stores edit commands associated to the next key event.
1509 // Shall be cleared as soon as the next key event is processed.
1510 EditCommands edit_commands_
;
1512 // The external popup for the currently showing select popup.
1513 scoped_ptr
<ExternalPopupMenu
> external_popup_menu_
;
1515 // The node that the context menu was pressed over.
1516 blink::WebNode context_menu_node_
;
1518 // All the registered observers. We expect this list to be small, so vector
1520 ObserverList
<RenderViewObserver
> observers_
;
1522 // Used to inform didChangeSelection() when it is called in the context
1523 // of handling a InputMsg_SelectRange IPC.
1524 bool handling_select_range_
;
1526 // Wraps the |webwidget_| as a MouseLockDispatcher::LockTarget interface.
1527 scoped_ptr
<MouseLockDispatcher::LockTarget
> webwidget_mouse_lock_target_
;
1529 // State associated with the GetWindowSnapshot function.
1530 int next_snapshot_id_
;
1531 typedef std::map
<int, WindowSnapshotCallback
> PendingSnapshotMap
;
1532 PendingSnapshotMap pending_snapshots_
;
1534 // Allows to selectively disable partial buffer swap for this renderer's
1536 bool allow_partial_swap_
;
1538 // Allows JS to access DOM automation. The JS object is only exposed when the
1539 // DOM automation bindings are enabled.
1540 scoped_ptr
<DomAutomationController
> dom_automation_controller_
;
1542 // Allows JS to read out a variety of internal various metrics. The JS object
1543 // is only exposed when the stats collection bindings are enabled.
1544 scoped_ptr
<StatsCollectionController
> stats_collection_controller_
;
1546 // This field stores drag/drop related info for the event that is currently
1547 // being handled. If the current event results in starting a drag/drop
1548 // session, this info is sent to the browser along with other drag/drop info.
1549 DragEventSourceInfo possible_drag_event_info_
;
1551 // NOTE: stats_collection_observer_ should be the last members because their
1552 // constructors call the AddObservers method of RenderViewImpl.
1553 scoped_ptr
<StatsCollectionObserver
> stats_collection_observer_
;
1555 ui::MenuSourceType context_menu_source_type_
;
1556 gfx::Point touch_editing_context_menu_location_
;
1558 // ---------------------------------------------------------------------------
1559 // ADDING NEW DATA? Please see if it fits appropriately in one of the above
1560 // sections rather than throwing it randomly at the end. If you're adding a
1561 // bunch of stuff, you should probably create a helper class and put your
1562 // data and methods on that to avoid bloating RenderView more. You can
1563 // use the Observer interface to filter IPC messages and receive frame change
1565 // ---------------------------------------------------------------------------
1567 DISALLOW_COPY_AND_ASSIGN(RenderViewImpl
);
1570 } // namespace content
1572 #endif // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_