blob: 1717077f9ace253b48e43fafdaef3a4f111fc792 [file] [log] [blame]
[email protected]91854cd2012-01-10 19:43:571// Copyright (c) 2012 The Chromium Authors. All rights reserved.
[email protected]0dd3a0ab2011-02-18 08:17:442// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
[email protected]93ddb3c2012-04-11 21:44:295#ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
6#define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
[email protected]0dd3a0ab2011-02-18 08:17:447
[email protected]0dd3a0ab2011-02-18 08:17:448#include <map>
[email protected]b24b68a2012-09-24 21:57:269#include <set>
[email protected]0dd3a0ab2011-02-18 08:17:4410#include <string>
[email protected]0dd3a0ab2011-02-18 08:17:4411
[email protected]01d65172011-12-25 04:39:3012#include "base/compiler_specific.h"
[email protected]0dd3a0ab2011-02-18 08:17:4413#include "base/gtest_prod_util.h"
[email protected]3b63f8f42011-03-28 01:54:1514#include "base/memory/scoped_ptr.h"
[email protected]6eac57a2011-07-12 21:15:0915#include "base/observer_list.h"
[email protected]fa20e002013-07-23 21:20:5416#include "base/process/process.h"
[email protected]738f57a2013-06-29 21:06:5417#include "base/values.h"
[email protected]d4a8ca482013-10-30 21:06:4018#include "content/browser/frame_host/frame_tree.h"
19#include "content/browser/frame_host/navigation_controller_delegate.h"
20#include "content/browser/frame_host/navigation_controller_impl.h"
[email protected]190b8c52013-11-09 01:35:4421#include "content/browser/frame_host/navigator_delegate.h"
[email protected]b0936d22013-11-28 06:47:3622#include "content/browser/frame_host/render_frame_host_manager.h"
[email protected]2e3bf992012-05-24 17:36:2423#include "content/browser/renderer_host/render_view_host_delegate.h"
[email protected]4ca76c02012-05-16 16:19:0524#include "content/browser/renderer_host/render_widget_host_delegate.h"
[email protected]8d128d62011-09-13 22:11:5725#include "content/common/content_export.h"
[email protected]14392a52012-05-02 20:28:4426#include "content/public/browser/notification_observer.h"
27#include "content/public/browser/notification_registrar.h"
[email protected]58f5d562011-12-20 17:13:0328#include "content/public/browser/web_contents.h"
[email protected]f8872902013-10-30 03:18:5729#include "content/public/common/page_transition_types.h"
[email protected]daf82f82011-10-31 22:35:3130#include "content/public/common/renderer_preferences.h"
[email protected]818915cd2012-11-20 13:14:1131#include "content/public/common/three_d_api_types.h"
[email protected]0dd3a0ab2011-02-18 08:17:4432#include "net/base/load_states.h"
[email protected]2255a9332013-06-17 05:12:3133#include "third_party/WebKit/public/web/WebDragOperation.h"
[email protected]59363fc92012-09-05 03:46:3134#include "ui/gfx/rect_f.h"
[email protected]bcd2815602012-01-14 18:17:2335#include "ui/gfx/size.h"
[email protected]d0fcff72013-07-23 02:45:4336#include "webkit/common/resource_type.h"
[email protected]0dd3a0ab2011-02-18 08:17:4437
[email protected]92a01cc2012-09-29 14:13:5938struct BrowserPluginHostMsg_ResizeGuest_Params;
[email protected]1ff427972013-02-07 21:14:0739struct ViewHostMsg_DateTimeDialogValue_Params;
[email protected]f546640b2012-05-15 00:03:4940struct ViewMsg_PostMessage_Params;
[email protected]daf82f82011-10-31 22:35:3141
[email protected]e582fdd2011-12-20 16:48:1742namespace content {
[email protected]7a846df2012-09-20 19:17:3943class BrowserPluginEmbedder;
44class BrowserPluginGuest;
[email protected]8eb04562013-03-06 03:41:1445class BrowserPluginGuestManager;
[email protected]da8543762012-03-20 08:52:2046class ColorChooser;
[email protected]583418cc2013-01-17 14:01:1047class DateTimeChooserAndroid;
[email protected]e582fdd2011-12-20 16:48:1748class DownloadItem;
[email protected]8ff00d72012-10-23 19:12:2149class InterstitialPageImpl;
[email protected]4cc1ab52013-01-21 19:24:3450class JavaBridgeDispatcherHostManager;
[email protected]71a88bb2013-02-01 22:05:1551class JavaScriptDialogManager;
[email protected]190b8c52013-11-09 01:35:4452class Navigator;
[email protected]d9030b82013-07-19 08:26:0653class PowerSaveBlocker;
[email protected]eaabba22012-03-07 15:02:1154class RenderViewHost;
[email protected]5a3bdf52012-05-24 15:12:5755class RenderViewHostDelegateView;
[email protected]eaabba22012-03-07 15:02:1156class RenderViewHostImpl;
[email protected]b24b68a2012-09-24 21:57:2657class RenderWidgetHostImpl;
[email protected]f8497342013-02-05 22:15:0258class RenderWidgetHostViewPort;
[email protected]35869622012-10-26 23:23:5559class SavePackage;
[email protected]c2ab4202012-10-24 22:54:4660class SessionStorageNamespaceImpl;
[email protected]09d31d52012-03-11 22:30:2761class SiteInstance;
[email protected]80e776ae2012-03-23 16:17:2062class TestWebContents;
[email protected]674bc592011-12-20 23:00:4263class WebContentsDelegate;
[email protected]8ff00d72012-10-23 19:12:2164class WebContentsImpl;
[email protected]51da7e32012-01-30 19:24:5265class WebContentsObserver;
[email protected]60780f412013-02-25 16:34:1066class WebContentsViewPort;
[email protected]f66df822012-05-18 16:52:1767class WebContentsViewDelegate;
[email protected]795c28972012-12-06 06:13:3968struct FaviconURL;
[email protected]09d31d52012-03-11 22:30:2769struct LoadNotificationDetails;
[email protected]f66df822012-05-18 16:52:1770
71// Factory function for the implementations that content knows about. Takes
72// ownership of |delegate|.
[email protected]60780f412013-02-25 16:34:1073WebContentsViewPort* CreateWebContentsView(
[email protected]5a3bdf52012-05-24 15:12:5774 WebContentsImpl* web_contents,
75 WebContentsViewDelegate* delegate,
76 RenderViewHostDelegateView** render_view_host_delegate_view);
[email protected]97714c82012-06-06 10:15:1377
[email protected]b172aee2012-04-10 17:05:2678class CONTENT_EXPORT WebContentsImpl
[email protected]8ff00d72012-10-23 19:12:2179 : public NON_EXPORTED_BASE(WebContents),
80 public RenderViewHostDelegate,
81 public RenderWidgetHostDelegate,
[email protected]b0936d22013-11-28 06:47:3682 public RenderFrameHostManager::Delegate,
[email protected]ec6c05f2013-10-23 18:41:5783 public NotificationObserver,
[email protected]190b8c52013-11-09 01:35:4484 public NON_EXPORTED_BASE(NavigationControllerDelegate),
85 public NON_EXPORTED_BASE(NavigatorDelegate) {
[email protected]0dd3a0ab2011-02-18 08:17:4486 public:
[email protected]b172aee2012-04-10 17:05:2687 virtual ~WebContentsImpl();
[email protected]0dd3a0ab2011-02-18 08:17:4488
[email protected]d1198fd2012-08-13 22:50:1989 static WebContentsImpl* CreateWithOpener(
[email protected]54944cde2012-12-09 09:24:5990 const WebContents::CreateParams& params,
[email protected]d1198fd2012-08-13 22:50:1991 WebContentsImpl* opener);
92
[email protected]3de10bb32013-01-08 21:57:3393 // Returns the opener WebContentsImpl, if any. This can be set to null if the
94 // opener is closed or the page clears its window.opener.
95 WebContentsImpl* opener() const { return opener_; }
96
[email protected]7a846df2012-09-20 19:17:3997 // Creates a WebContents to be used as a browser plugin guest.
[email protected]8eb04562013-03-06 03:41:1498 static BrowserPluginGuest* CreateGuest(
[email protected]dd8c8232012-11-03 00:49:3699 BrowserContext* browser_context,
[email protected]1bc28312012-11-08 08:31:53100 content::SiteInstance* site_instance,
[email protected]738f57a2013-06-29 21:06:54101 int guest_instance_id,
102 scoped_ptr<base::DictionaryValue> extra_params);
[email protected]7a846df2012-09-20 19:17:39103
[email protected]0eba810b2012-10-18 03:19:36104 // Creates a swapped out RenderView. This is used by the browser plugin to
105 // create a swapped out RenderView in the embedder render process for the
106 // guest, to expose the guest's window object to the embedder.
107 // This returns the routing ID of the newly created swapped out RenderView.
[email protected]8ff00d72012-10-23 19:12:21108 int CreateSwappedOutRenderView(SiteInstance* instance);
[email protected]0eba810b2012-10-18 03:19:36109
[email protected]d1198fd2012-08-13 22:50:19110 // Complex initialization here. Specifically needed to avoid having
111 // members call back into our virtual functions in the constructor.
[email protected]54944cde2012-12-09 09:24:59112 virtual void Init(const WebContents::CreateParams& params);
[email protected]d1198fd2012-08-13 22:50:19113
[email protected]c7dd2f62011-07-18 15:57:59114 // Returns the SavePackage which manages the page saving job. May be NULL.
115 SavePackage* save_package() const { return save_package_.get(); }
116
[email protected]c7654a232013-06-12 21:04:44117#if defined(OS_ANDROID)
[email protected]276b37a22011-11-08 20:45:46118 JavaBridgeDispatcherHostManager* java_bridge_dispatcher_host_manager() const {
119 return java_bridge_dispatcher_host_manager_.get();
120 }
[email protected]7d244f12013-08-22 21:41:51121
122 // In Android WebView, the RenderView needs created even there is no
123 // navigation entry, this allows Android WebViews to use
124 // javascript: URLs that load into the DOMWindow before the first page
125 // load. This is not safe to do in any context that a web page could get a
126 // reference to the DOMWindow before the first page load.
127 bool CreateRenderViewForInitialEmptyDocument();
[email protected]4cc1ab52013-01-21 19:24:34128#endif
[email protected]276b37a22011-11-08 20:45:46129
[email protected]765187182012-01-11 23:59:28130 // Expose the render manager for testing.
[email protected]b0936d22013-11-28 06:47:36131 RenderFrameHostManager* GetRenderManagerForTesting();
[email protected]765187182012-01-11 23:59:28132
[email protected]7a846df2012-09-20 19:17:39133 // Returns guest browser plugin object, or NULL if this WebContents is not a
134 // guest.
[email protected]f8497342013-02-05 22:15:02135 BrowserPluginGuest* GetBrowserPluginGuest() const;
[email protected]738f57a2013-06-29 21:06:54136
137 // Sets a BrowserPluginGuest object for this WebContents. If this WebContents
138 // has a BrowserPluginGuest then that implies that it is being hosted by
139 // a BrowserPlugin object in an embedder renderer process.
140 void SetBrowserPluginGuest(BrowserPluginGuest* guest);
141
[email protected]7a846df2012-09-20 19:17:39142 // Returns embedder browser plugin object, or NULL if this WebContents is not
143 // an embedder.
[email protected]f8497342013-02-05 22:15:02144 BrowserPluginEmbedder* GetBrowserPluginEmbedder() const;
[email protected]738f57a2013-06-29 21:06:54145
[email protected]8eb04562013-03-06 03:41:14146 // Returns the BrowserPluginGuestManager object, or NULL if this web contents
147 // does not have a BrowserPluginGuestManager.
148 BrowserPluginGuestManager* GetBrowserPluginGuestManager() const;
[email protected]7a846df2012-09-20 19:17:39149
[email protected]44470a22013-01-24 01:21:54150 // Gets the current fullscreen render widget's routing ID. Returns
151 // MSG_ROUTING_NONE when there is no fullscreen render widget.
152 int GetFullscreenWidgetRoutingID() const;
153
[email protected]e67ebf32013-02-13 11:07:19154 // Invoked when visible SSL state (as defined by SSLStatus) changes.
155 void DidChangeVisibleSSLState();
156
[email protected]cf200a562013-05-03 16:24:29157 // Informs the render view host and the BrowserPluginEmbedder, if present, of
158 // a Drag Source End.
159 void DragSourceEndedAt(int client_x, int client_y, int screen_x,
[email protected]180ef242013-11-07 06:50:46160 int screen_y, blink::WebDragOperation operation);
[email protected]cf200a562013-05-03 16:24:29161
162 // Informs the render view host and the BrowserPluginEmbedder, if present, of
163 // a Drag Source Move.
164 void DragSourceMovedTo(int client_x, int client_y,
165 int screen_x, int screen_y);
166
[email protected]8ff00d72012-10-23 19:12:21167 // WebContents ------------------------------------------------------
168 virtual WebContentsDelegate* GetDelegate() OVERRIDE;
169 virtual void SetDelegate(WebContentsDelegate* delegate) OVERRIDE;
[email protected]d1198fd2012-08-13 22:50:19170 virtual NavigationControllerImpl& GetController() OVERRIDE;
171 virtual const NavigationControllerImpl& GetController() const OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21172 virtual BrowserContext* GetBrowserContext() const OVERRIDE;
173 virtual RenderProcessHost* GetRenderProcessHost() const OVERRIDE;
174 virtual RenderViewHost* GetRenderViewHost() const OVERRIDE;
[email protected]a04c9d02012-11-14 21:04:34175 virtual void GetRenderViewHostAtPosition(
176 int x,
177 int y,
178 const GetRenderViewHostCallback& callback) OVERRIDE;
[email protected]bfcfa692013-02-07 06:17:02179 virtual WebContents* GetEmbedderWebContents() const OVERRIDE;
180 virtual int GetEmbeddedInstanceID() const OVERRIDE;
[email protected]6b618e62012-08-16 12:59:18181 virtual int GetRoutingID() const OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21182 virtual RenderWidgetHostView* GetRenderWidgetHostView() const OVERRIDE;
[email protected]4aebbca2013-09-17 22:26:49183 virtual RenderWidgetHostView* GetFullscreenRenderWidgetHostView() const
184 OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21185 virtual WebContentsView* GetView() const OVERRIDE;
186 virtual WebUI* CreateWebUI(const GURL& url) OVERRIDE;
187 virtual WebUI* GetWebUI() const OVERRIDE;
188 virtual WebUI* GetCommittedWebUI() const OVERRIDE;
[email protected]86ef6a392012-05-11 22:03:11189 virtual void SetUserAgentOverride(const std::string& override) OVERRIDE;
190 virtual const std::string& GetUserAgentOverride() const OVERRIDE;
[email protected]c73a2282013-04-29 21:10:41191#if defined(OS_WIN) && defined(USE_AURA)
192 virtual void SetParentNativeViewAccessible(
193 gfx::NativeViewAccessible accessible_parent) OVERRIDE;
194#endif
[email protected]be1f56ab2011-12-22 06:55:31195 virtual const string16& GetTitle() const OVERRIDE;
196 virtual int32 GetMaxPageID() OVERRIDE;
197 virtual int32 GetMaxPageIDForSiteInstance(
[email protected]8ff00d72012-10-23 19:12:21198 SiteInstance* site_instance) OVERRIDE;
199 virtual SiteInstance* GetSiteInstance() const OVERRIDE;
200 virtual SiteInstance* GetPendingSiteInstance() const OVERRIDE;
[email protected]be1f56ab2011-12-22 06:55:31201 virtual bool IsLoading() const OVERRIDE;
202 virtual bool IsWaitingForResponse() const OVERRIDE;
203 virtual const net::LoadStateWithParam& GetLoadState() const OVERRIDE;
204 virtual const string16& GetLoadStateHost() const OVERRIDE;
205 virtual uint64 GetUploadSize() const OVERRIDE;
206 virtual uint64 GetUploadPosition() const OVERRIDE;
[email protected]1ae93fb2013-06-14 03:38:56207 virtual std::set<GURL> GetSitesInTab() const OVERRIDE;
[email protected]be1f56ab2011-12-22 06:55:31208 virtual const std::string& GetEncoding() const OVERRIDE;
209 virtual bool DisplayedInsecureContent() const OVERRIDE;
[email protected]54597982013-02-06 01:59:55210 virtual void IncrementCapturerCount() OVERRIDE;
211 virtual void DecrementCapturerCount() OVERRIDE;
[email protected]f2bd40812013-07-20 04:30:44212 virtual int GetCapturerCount() const OVERRIDE;
[email protected]be1f56ab2011-12-22 06:55:31213 virtual bool IsCrashed() const OVERRIDE;
214 virtual void SetIsCrashed(base::TerminationStatus status,
215 int error_code) OVERRIDE;
216 virtual base::TerminationStatus GetCrashedStatus() const OVERRIDE;
217 virtual bool IsBeingDestroyed() const OVERRIDE;
218 virtual void NotifyNavigationStateChanged(unsigned changed_flags) OVERRIDE;
[email protected]be1f56ab2011-12-22 06:55:31219 virtual base::TimeTicks GetLastSelectedTime() const OVERRIDE;
[email protected]9e2e4632012-07-27 16:38:41220 virtual void WasShown() OVERRIDE;
[email protected]3e324142012-06-25 18:26:33221 virtual void WasHidden() OVERRIDE;
[email protected]be1f56ab2011-12-22 06:55:31222 virtual bool NeedToFireBeforeUnload() OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27223 virtual void Stop() OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21224 virtual WebContents* Clone() OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27225 virtual void FocusThroughTabTraversal(bool reverse) OVERRIDE;
226 virtual bool ShowingInterstitialPage() const OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21227 virtual InterstitialPage* GetInterstitialPage() const OVERRIDE;
[email protected]a53209b2012-01-20 16:48:16228 virtual bool IsSavable() OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27229 virtual void OnSavePage() OVERRIDE;
[email protected]2dec8ec2013-02-07 19:20:34230 virtual bool SavePage(const base::FilePath& main_file,
231 const base::FilePath& dir_path,
[email protected]8ff00d72012-10-23 19:12:21232 SavePageType save_type) OVERRIDE;
[email protected]3c71576ce2013-07-23 02:00:01233 virtual void SaveFrame(const GURL& url,
234 const Referrer& referrer) OVERRIDE;
[email protected]aa4f3972012-03-01 18:12:12235 virtual void GenerateMHTML(
[email protected]2dec8ec2013-02-07 19:20:34236 const base::FilePath& file,
[email protected]18516cf92013-08-28 18:19:48237 const base::Callback<void(int64)>& callback)
[email protected]2dec8ec2013-02-07 19:20:34238 OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27239 virtual bool IsActiveEntry(int32 page_id) OVERRIDE;
240
241 virtual const std::string& GetContentsMimeType() const OVERRIDE;
242 virtual bool WillNotifyDisconnection() const OVERRIDE;
243 virtual void SetOverrideEncoding(const std::string& encoding) OVERRIDE;
244 virtual void ResetOverrideEncoding() OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21245 virtual RendererPreferences* GetMutableRendererPrefs() OVERRIDE;
[email protected]e35ccd52012-05-23 16:22:47246 virtual void Close() OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27247 virtual void SystemDragEnded() OVERRIDE;
[email protected]e35ccd52012-05-23 16:22:47248 virtual void UserGestureDone() OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27249 virtual void SetClosedByUserGesture(bool value) OVERRIDE;
250 virtual bool GetClosedByUserGesture() const OVERRIDE;
251 virtual double GetZoomLevel() const OVERRIDE;
252 virtual int GetZoomPercent(bool* enable_increment,
[email protected]9a8408902012-09-26 16:17:59253 bool* enable_decrement) const OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27254 virtual void ViewSource() OVERRIDE;
255 virtual void ViewFrameSource(const GURL& url,
[email protected]691aa2f2013-05-28 22:52:04256 const PageState& page_state) OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27257 virtual int GetMinimumZoomPercent() const OVERRIDE;
258 virtual int GetMaximumZoomPercent() const OVERRIDE;
[email protected]bcd2815602012-01-14 18:17:23259 virtual gfx::Size GetPreferredSize() const OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27260 virtual bool GotResponseToLockMouseRequest(bool allowed) OVERRIDE;
[email protected]a0358d72012-03-09 14:06:50261 virtual bool HasOpener() const OVERRIDE;
[email protected]cb805452013-05-22 15:16:21262 virtual void DidChooseColorInColorChooser(SkColor color) OVERRIDE;
263 virtual void DidEndColorChooser() OVERRIDE;
[email protected]41225fe2013-03-29 05:32:02264 virtual int DownloadImage(const GURL& url,
265 bool is_favicon,
[email protected]263cb08f2013-09-18 00:26:30266 uint32_t max_bitmap_size,
[email protected]41225fe2013-03-29 05:32:02267 const ImageDownloadCallback& callback) OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27268
269 // Implementation of PageNavigator.
[email protected]8ff00d72012-10-23 19:12:21270 virtual WebContents* OpenURL(const OpenURLParams& params) OVERRIDE;
[email protected]151a63d2011-12-20 22:32:52271
[email protected]6b618e62012-08-16 12:59:18272 // Implementation of IPC::Sender.
273 virtual bool Send(IPC::Message* message) OVERRIDE;
274
[email protected]952a68e2011-11-17 00:36:10275 // RenderViewHostDelegate ----------------------------------------------------
276
[email protected]8ff00d72012-10-23 19:12:21277 virtual RenderViewHostDelegateView* GetDelegateView() OVERRIDE;
278 virtual RenderViewHostDelegate::RendererManagement*
[email protected]952a68e2011-11-17 00:36:10279 GetRendererManagementDelegate() OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21280 virtual bool OnMessageReceived(RenderViewHost* render_view_host,
[email protected]7bb761892012-07-20 09:32:47281 const IPC::Message& message) OVERRIDE;
[email protected]be1f56ab2011-12-22 06:55:31282 virtual const GURL& GetURL() const OVERRIDE;
[email protected]a093ce02013-07-22 20:53:14283 virtual const GURL& GetVisibleURL() const OVERRIDE;
[email protected]c854a7e2013-05-21 16:42:24284 virtual const GURL& GetLastCommittedURL() const OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21285 virtual WebContents* GetAsWebContents() OVERRIDE;
[email protected]b7a756d42012-01-23 18:08:17286 virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21287 virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE;
288 virtual void RenderViewReady(RenderViewHost* render_view_host) OVERRIDE;
[email protected]ec6a7eb2013-04-22 17:34:22289 virtual void RenderViewTerminated(RenderViewHost* render_view_host,
290 base::TerminationStatus status,
291 int error_code) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21292 virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE;
[email protected]54047eb52012-05-08 21:45:57293 virtual void DidStartProvisionalLoadForFrame(
[email protected]8ff00d72012-10-23 19:12:21294 RenderViewHost* render_view_host,
[email protected]54047eb52012-05-08 21:45:57295 int64 frame_id,
[email protected]d37c33e2012-10-12 13:35:13296 int64 parent_frame_id,
[email protected]54047eb52012-05-08 21:45:57297 bool main_frame,
[email protected]54047eb52012-05-08 21:45:57298 const GURL& url) OVERRIDE;
[email protected]400992b2012-06-14 00:03:54299 virtual void DidRedirectProvisionalLoad(
[email protected]8ff00d72012-10-23 19:12:21300 RenderViewHost* render_view_host,
[email protected]400992b2012-06-14 00:03:54301 int32 page_id,
[email protected]400992b2012-06-14 00:03:54302 const GURL& source_url,
303 const GURL& target_url) OVERRIDE;
[email protected]54047eb52012-05-08 21:45:57304 virtual void DidFailProvisionalLoadWithError(
[email protected]8ff00d72012-10-23 19:12:21305 RenderViewHost* render_view_host,
[email protected]54047eb52012-05-08 21:45:57306 const ViewHostMsg_DidFailProvisionalLoadWithError_Params& params)
307 OVERRIDE;
[email protected]b0f724c2013-09-05 04:21:13308 virtual void DidGetResourceResponseStart(
309 const ResourceRequestDetails& details) OVERRIDE;
310 virtual void DidGetRedirectForResourceRequest(
311 const ResourceRedirectDetails& details) OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10312 virtual void DidNavigate(
[email protected]8ff00d72012-10-23 19:12:21313 RenderViewHost* render_view_host,
[email protected]952a68e2011-11-17 00:36:10314 const ViewHostMsg_FrameNavigate_Params& params) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21315 virtual void UpdateState(RenderViewHost* render_view_host,
[email protected]952a68e2011-11-17 00:36:10316 int32 page_id,
[email protected]691aa2f2013-05-28 22:52:04317 const PageState& page_state) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21318 virtual void UpdateTitle(RenderViewHost* render_view_host,
[email protected]952a68e2011-11-17 00:36:10319 int32 page_id,
320 const string16& title,
321 base::i18n::TextDirection title_direction) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21322 virtual void UpdateEncoding(RenderViewHost* render_view_host,
[email protected]952a68e2011-11-17 00:36:10323 const std::string& encoding) OVERRIDE;
324 virtual void UpdateTargetURL(int32 page_id, const GURL& url) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21325 virtual void Close(RenderViewHost* render_view_host) OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10326 virtual void RequestMove(const gfx::Rect& new_bounds) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21327 virtual void SwappedOut(RenderViewHost* render_view_host) OVERRIDE;
328 virtual void DidStartLoading(RenderViewHost* render_view_host) OVERRIDE;
329 virtual void DidStopLoading(RenderViewHost* render_view_host) OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10330 virtual void DidCancelLoading() OVERRIDE;
331 virtual void DidChangeLoadProgress(double progress) OVERRIDE;
[email protected]7cc78902012-12-06 02:32:26332 virtual void DidDisownOpener(RenderViewHost* rvh) OVERRIDE;
[email protected]59167c22013-06-03 18:07:32333 virtual void DidAccessInitialDocument() OVERRIDE;
[email protected]87717d0e2012-04-26 02:58:43334 virtual void DocumentAvailableInMainFrame(
[email protected]8ff00d72012-10-23 19:12:21335 RenderViewHost* render_view_host) OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10336 virtual void DocumentOnLoadCompletedInMainFrame(
[email protected]8ff00d72012-10-23 19:12:21337 RenderViewHost* render_view_host,
[email protected]952a68e2011-11-17 00:36:10338 int32 page_id) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21339 virtual void RequestOpenURL(RenderViewHost* rvh,
[email protected]196159d2012-05-04 17:26:54340 const GURL& url,
[email protected]8ff00d72012-10-23 19:12:21341 const Referrer& referrer,
[email protected]952a68e2011-11-17 00:36:10342 WindowOpenDisposition disposition,
[email protected]e2caa032012-11-15 23:29:18343 int64 source_frame_id,
[email protected]866fa2cc2013-07-22 22:19:52344 bool should_replace_current_entry,
[email protected]e7f2e7c2013-07-15 09:41:30345 bool user_gesture) OVERRIDE;
[email protected]4ad5d77d2011-12-03 02:00:48346 virtual void RequestTransferURL(
347 const GURL& url,
[email protected]f8872902013-10-30 03:18:57348 const std::vector<GURL>& redirect_chain,
[email protected]8ff00d72012-10-23 19:12:21349 const Referrer& referrer,
[email protected]f8872902013-10-30 03:18:57350 PageTransition page_transition,
[email protected]4ad5d77d2011-12-03 02:00:48351 WindowOpenDisposition disposition,
352 int64 source_frame_id,
[email protected]e2caa032012-11-15 23:29:18353 const GlobalRequestID& transferred_global_request_id,
[email protected]866fa2cc2013-07-22 22:19:52354 bool should_replace_current_entry,
[email protected]e7f2e7c2013-07-15 09:41:30355 bool user_gesture) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21356 virtual void RouteCloseEvent(RenderViewHost* rvh) OVERRIDE;
[email protected]f546640b2012-05-15 00:03:49357 virtual void RouteMessageEvent(
[email protected]8ff00d72012-10-23 19:12:21358 RenderViewHost* rvh,
[email protected]f546640b2012-05-15 00:03:49359 const ViewMsg_PostMessage_Params& params) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21360 virtual void RunJavaScriptMessage(RenderViewHost* rvh,
[email protected]952a68e2011-11-17 00:36:10361 const string16& message,
362 const string16& default_prompt,
363 const GURL& frame_url,
[email protected]8ff00d72012-10-23 19:12:21364 JavaScriptMessageType type,
[email protected]952a68e2011-11-17 00:36:10365 IPC::Message* reply_msg,
366 bool* did_suppress_message) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21367 virtual void RunBeforeUnloadConfirm(RenderViewHost* rvh,
[email protected]952a68e2011-11-17 00:36:10368 const string16& message,
[email protected]3b3301f62012-02-29 04:32:32369 bool is_reload,
[email protected]952a68e2011-11-17 00:36:10370 IPC::Message* reply_msg) OVERRIDE;
[email protected]a796f202012-05-30 14:14:25371 virtual bool AddMessageToConsole(int32 level,
372 const string16& message,
373 int32 line_no,
[email protected]88b50b62013-09-01 23:05:06374 const string16& source_id) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21375 virtual RendererPreferences GetRendererPrefs(
376 BrowserContext* browser_context) const OVERRIDE;
[email protected]3184f90b2013-05-01 18:17:53377 virtual WebPreferences GetWebkitPrefs() OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10378 virtual void OnUserGesture() OVERRIDE;
379 virtual void OnIgnoredUIEvent() OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21380 virtual void RendererUnresponsive(RenderViewHost* render_view_host,
[email protected]2e9d79f2013-08-16 05:45:56381 bool is_during_beforeunload,
[email protected]952a68e2011-11-17 00:36:10382 bool is_during_unload) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21383 virtual void RendererResponsive(RenderViewHost* render_view_host) OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10384 virtual void LoadStateChanged(const GURL& url,
385 const net::LoadStateWithParam& load_state,
386 uint64 upload_position,
387 uint64 upload_size) OVERRIDE;
388 virtual void WorkerCrashed() OVERRIDE;
389 virtual void Activate() OVERRIDE;
390 virtual void Deactivate() OVERRIDE;
391 virtual void LostCapture() OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10392 virtual void HandleMouseDown() OVERRIDE;
393 virtual void HandleMouseUp() OVERRIDE;
[email protected]590a634e2012-07-19 16:38:23394 virtual void HandlePointerActivate() OVERRIDE;
395 virtual void HandleGestureBegin() OVERRIDE;
396 virtual void HandleGestureEnd() OVERRIDE;
[email protected]edc64de2011-11-17 20:07:38397 virtual void RunFileChooser(
[email protected]8ff00d72012-10-23 19:12:21398 RenderViewHost* render_view_host,
399 const FileChooserParams& params) OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10400 virtual void ToggleFullscreenMode(bool enter_fullscreen) OVERRIDE;
401 virtual bool IsFullscreenForCurrentTab() const OVERRIDE;
402 virtual void UpdatePreferredSize(const gfx::Size& pref_size) OVERRIDE;
[email protected]61e2b3cc2012-03-02 16:13:34403 virtual void ResizeDueToAutoResize(const gfx::Size& new_size) OVERRIDE;
[email protected]a9c81f02012-06-01 00:15:44404 virtual void RequestToLockMouse(bool user_gesture,
405 bool last_unlocked_by_target) OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10406 virtual void LostMouseLock() OVERRIDE;
[email protected]bafe6cd2012-05-23 23:09:50407 virtual void CreateNewWindow(
408 int route_id,
[email protected]227692c52013-05-31 22:43:04409 int main_frame_route_id,
[email protected]97714c82012-06-06 10:15:13410 const ViewHostMsg_CreateWindow_Params& params,
[email protected]8ff00d72012-10-23 19:12:21411 SessionStorageNamespace* session_storage_namespace) OVERRIDE;
[email protected]bafe6cd2012-05-23 23:09:50412 virtual void CreateNewWidget(int route_id,
[email protected]180ef242013-11-07 06:50:46413 blink::WebPopupType popup_type) OVERRIDE;
[email protected]bafe6cd2012-05-23 23:09:50414 virtual void CreateNewFullscreenWidget(int route_id) OVERRIDE;
415 virtual void ShowCreatedWindow(int route_id,
416 WindowOpenDisposition disposition,
417 const gfx::Rect& initial_pos,
418 bool user_gesture) OVERRIDE;
419 virtual void ShowCreatedWidget(int route_id,
420 const gfx::Rect& initial_pos) OVERRIDE;
421 virtual void ShowCreatedFullscreenWidget(int route_id) OVERRIDE;
[email protected]f56c7872013-06-18 12:31:57422 virtual void ShowContextMenu(const ContextMenuParams& params) OVERRIDE;
[email protected]f13b4202012-06-12 23:53:23423 virtual void RequestMediaAccessPermission(
[email protected]33662e52013-01-07 21:31:09424 const MediaStreamRequest& request,
[email protected]8ff00d72012-10-23 19:12:21425 const MediaResponseCallback& callback) OVERRIDE;
[email protected]cc9200432013-07-23 23:02:40426 virtual SessionStorageNamespace* GetSessionStorageNamespace(
427 SiteInstance* instance) OVERRIDE;
[email protected]9b159a52013-10-03 17:24:55428 virtual FrameTree* GetFrameTree() OVERRIDE;
[email protected]952a68e2011-11-17 00:36:10429
[email protected]4ca76c02012-05-16 16:19:05430 // RenderWidgetHostDelegate --------------------------------------------------
431
[email protected]b24b68a2012-09-24 21:57:26432 virtual void RenderWidgetDeleted(
[email protected]8ff00d72012-10-23 19:12:21433 RenderWidgetHostImpl* render_widget_host) OVERRIDE;
[email protected]b87ee522012-05-18 15:16:54434 virtual bool PreHandleKeyboardEvent(
[email protected]8ff00d72012-10-23 19:12:21435 const NativeWebKeyboardEvent& event,
[email protected]b87ee522012-05-18 15:16:54436 bool* is_keyboard_shortcut) OVERRIDE;
[email protected]4ca76c02012-05-16 16:19:05437 virtual void HandleKeyboardEvent(
[email protected]8ff00d72012-10-23 19:12:21438 const NativeWebKeyboardEvent& event) OVERRIDE;
[email protected]fb3f066e2013-02-12 19:12:52439 virtual bool PreHandleWheelEvent(
[email protected]180ef242013-11-07 06:50:46440 const blink::WebMouseWheelEvent& event) OVERRIDE;
[email protected]32deec62013-05-15 23:55:04441 virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) OVERRIDE;
[email protected]c73a2282013-04-29 21:10:41442#if defined(OS_WIN) && defined(USE_AURA)
443 virtual gfx::NativeViewAccessible GetParentNativeViewAccessible() OVERRIDE;
444#endif
[email protected]4ca76c02012-05-16 16:19:05445
[email protected]b0936d22013-11-28 06:47:36446 // RenderFrameHostManager::Delegate ------------------------------------------
[email protected]0bfbf882011-12-22 18:19:27447
448 virtual bool CreateRenderViewForRenderManager(
[email protected]8ff00d72012-10-23 19:12:21449 RenderViewHost* render_view_host, int opener_route_id) OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27450 virtual void BeforeUnloadFiredFromRenderManager(
[email protected]feaded02012-09-25 19:12:55451 bool proceed, const base::TimeTicks& proceed_time,
[email protected]0bfbf882011-12-22 18:19:27452 bool* proceed_to_fire_unload) OVERRIDE;
[email protected]58d5cfe2013-07-10 02:40:52453 virtual void RenderProcessGoneFromRenderManager(
[email protected]8ff00d72012-10-23 19:12:21454 RenderViewHost* render_view_host) OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27455 virtual void UpdateRenderViewSizeForRenderManager() OVERRIDE;
[email protected]af905902013-10-01 21:38:51456 virtual void CancelModalDialogsForRenderManager() OVERRIDE;
[email protected]35e0e0792012-11-30 02:35:48457 virtual void NotifySwappedFromRenderManager(
[email protected]7b712ee22013-10-03 00:57:28458 RenderViewHost* old_host, RenderViewHost* new_host) OVERRIDE;
[email protected]14392a52012-05-02 20:28:44459 virtual int CreateOpenerRenderViewsForRenderManager(
[email protected]8ff00d72012-10-23 19:12:21460 SiteInstance* instance) OVERRIDE;
461 virtual NavigationControllerImpl&
462 GetControllerForRenderManager() OVERRIDE;
[email protected]d2353452012-01-19 19:53:56463 virtual WebUIImpl* CreateWebUIForRenderManager(const GURL& url) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21464 virtual NavigationEntry*
[email protected]0bfbf882011-12-22 18:19:27465 GetLastCommittedNavigationEntryForRenderManager() OVERRIDE;
466 virtual bool FocusLocationBarByDefault() OVERRIDE;
467 virtual void SetFocusToLocationBar(bool select_all) OVERRIDE;
[email protected]8ff00d72012-10-23 19:12:21468 virtual void CreateViewAndSetSizeForRVH(RenderViewHost* rvh) OVERRIDE;
[email protected]1ac10dca2013-08-20 20:47:04469 virtual bool IsHidden() OVERRIDE;
[email protected]0bfbf882011-12-22 18:19:27470
[email protected]8ff00d72012-10-23 19:12:21471 // NotificationObserver ------------------------------------------------------
[email protected]14392a52012-05-02 20:28:44472
473 virtual void Observe(int type,
[email protected]8ff00d72012-10-23 19:12:21474 const NotificationSource& source,
475 const NotificationDetails& details) OVERRIDE;
[email protected]14392a52012-05-02 20:28:44476
[email protected]ec6c05f2013-10-23 18:41:57477 // NavigationControllerDelegate ----------------------------------------------
478
479 virtual WebContents* GetWebContents() OVERRIDE;
480 virtual void NotifyNavigationEntryCommitted(
481 const LoadCommittedDetails& load_details) OVERRIDE;
482
483 // Invoked before a form repost warning is shown.
484 virtual void NotifyBeforeFormRepostWarningShow() OVERRIDE;
485
486 // Activate this WebContents and show a form repost warning.
487 virtual void ActivateAndShowRepostFormWarningDialog() OVERRIDE;
488
489 // Updates the max page ID for the current SiteInstance in this
490 // WebContentsImpl to be at least |page_id|.
491 virtual void UpdateMaxPageID(int32 page_id) OVERRIDE;
492
493 // Updates the max page ID for the given SiteInstance in this WebContentsImpl
494 // to be at least |page_id|.
495 virtual void UpdateMaxPageIDForSiteInstance(SiteInstance* site_instance,
496 int32 page_id) OVERRIDE;
497
498 // Copy the current map of SiteInstance ID to max page ID from another tab.
499 // This is necessary when this tab adopts the NavigationEntries from
500 // |web_contents|.
501 virtual void CopyMaxPageIDsFrom(WebContents* web_contents) OVERRIDE;
502
503 // Called by the NavigationController to cause the WebContentsImpl to navigate
504 // to the current pending entry. The NavigationController should be called
505 // back with RendererDidNavigate on success or DiscardPendingEntry on failure.
506 // The callbacks can be inside of this function, or at some future time.
507 //
508 // The entry has a PageID of -1 if newly created (corresponding to navigation
509 // to a new URL).
510 //
511 // If this method returns false, then the navigation is discarded (equivalent
512 // to calling DiscardPendingEntry on the NavigationController).
513 virtual bool NavigateToPendingEntry(
514 NavigationController::ReloadType reload_type) OVERRIDE;
515
516 // Sets the history for this WebContentsImpl to |history_length| entries, and
517 // moves the current page_id to the last entry in the list if it's valid.
518 // This is mainly used when a prerendered page is swapped into the current
519 // tab. The method is virtual for testing.
520 virtual void SetHistoryLengthAndPrune(
521 const SiteInstance* site_instance,
522 int merge_history_length,
523 int32 minimum_page_id) OVERRIDE;
[email protected]553602e12011-04-05 17:01:18524
[email protected]561628ce2013-10-25 00:56:47525 // Called by InterstitialPageImpl when it creates a RenderViewHost.
526 virtual void RenderViewForInterstitialPageCreated(
527 RenderViewHost* render_view_host) OVERRIDE;
528
529 // Sets the passed interstitial as the currently showing interstitial.
530 // No interstitial page should already be attached.
531 virtual void AttachInterstitialPage(
532 InterstitialPageImpl* interstitial_page) OVERRIDE;
533
534 // Unsets the currently showing interstitial.
535 virtual void DetachInterstitialPage() OVERRIDE;
536
537 // Changes the IsLoading state and notifies the delegate as needed.
538 // |details| is used to provide details on the load that just finished
539 // (but can be null if not applicable).
540 virtual void SetIsLoading(RenderViewHost* render_view_host,
541 bool is_loading,
542 LoadNotificationDetails* details) OVERRIDE;
543
[email protected]e4abd3b42013-11-12 18:28:47544 typedef base::Callback<void(WebContents*)> CreatedCallback;
[email protected]561628ce2013-10-25 00:56:47545
[email protected]0dd3a0ab2011-02-18 08:17:44546 private:
[email protected]d202a7c2012-01-04 07:53:47547 friend class NavigationControllerImpl;
[email protected]e4abd3b42013-11-12 18:28:47548 friend class TestNavigationObserver;
[email protected]8ff00d72012-10-23 19:12:21549 friend class WebContentsObserver;
550 friend class WebContents; // To implement factory methods.
[email protected]0dd3a0ab2011-02-18 08:17:44551
[email protected]2db9bd72012-04-13 20:20:56552 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, NoJSMessageOnInterstitials);
553 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, UpdateTitle);
[email protected]45a22ad2013-02-21 03:25:00554 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FindOpenerRVHWhenPending);
[email protected]2db9bd72012-04-13 20:20:56555 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest,
556 CrossSiteCantPreemptAfterUnload);
[email protected]ceee8cd2013-03-08 04:59:51557 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, PendingContents);
[email protected]50904452013-05-09 02:05:12558 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FrameTreeShape);
[email protected]0dd3a0ab2011-02-18 08:17:44559 FRIEND_TEST_ALL_PREFIXES(FormStructureBrowserTest, HTMLFiles);
560 FRIEND_TEST_ALL_PREFIXES(NavigationControllerTest, HistoryNavigate);
[email protected]b0936d22013-11-28 06:47:36561 FRIEND_TEST_ALL_PREFIXES(RenderFrameHostManagerTest, PageDoesBackAndReload);
[email protected]0dd3a0ab2011-02-18 08:17:44562
[email protected]cadaec52012-02-08 21:53:13563 // So InterstitialPageImpl can access SetIsLoading.
564 friend class InterstitialPageImpl;
[email protected]0dd3a0ab2011-02-18 08:17:44565
[email protected]80e776ae2012-03-23 16:17:20566 // TODO(brettw) TestWebContents shouldn't exist!
[email protected]8ff00d72012-10-23 19:12:21567 friend class TestWebContents;
[email protected]0dd3a0ab2011-02-18 08:17:44568
[email protected]7fff43e2013-05-21 20:21:10569 class DestructionObserver;
570
[email protected]d1198fd2012-08-13 22:50:19571 // See WebContents::Create for a description of these parameters.
[email protected]8ff00d72012-10-23 19:12:21572 WebContentsImpl(BrowserContext* browser_context,
[email protected]d1198fd2012-08-13 22:50:19573 WebContentsImpl* opener);
574
[email protected]e2225bf2013-11-15 16:09:38575 // Add and remove observers for page navigation notifications. The order in
576 // which notifications are sent to observers is undefined. Clients must be
577 // sure to remove the observer before they go away.
[email protected]8ff00d72012-10-23 19:12:21578 void AddObserver(WebContentsObserver* observer);
579 void RemoveObserver(WebContentsObserver* observer);
[email protected]d1198fd2012-08-13 22:50:19580
[email protected]14392a52012-05-02 20:28:44581 // Clears this tab's opener if it has been closed.
[email protected]7fff43e2013-05-21 20:21:10582 void OnWebContentsDestroyed(WebContentsImpl* web_contents);
583
584 // Creates and adds to the map a destruction observer watching |web_contents|.
585 // No-op if such an observer already exists.
586 void AddDestructionObserver(WebContentsImpl* web_contents);
587
588 // Deletes and removes from the map a destruction observer
589 // watching |web_contents|. No-op if there is no such observer.
590 void RemoveDestructionObserver(WebContentsImpl* web_contents);
[email protected]14392a52012-05-02 20:28:44591
[email protected]51da7e32012-01-30 19:24:52592 // Callback function when showing JS dialogs.
[email protected]8ff00d72012-10-23 19:12:21593 void OnDialogClosed(RenderViewHost* rvh,
[email protected]51da7e32012-01-30 19:24:52594 IPC::Message* reply_msg,
595 bool success,
596 const string16& user_input);
597
[email protected]d8415ad92012-08-23 14:40:50598 // Callback function when requesting permission to access the PPAPI broker.
599 // |result| is true if permission was granted.
[email protected]ea0309c2013-08-06 19:35:44600 void OnPpapiBrokerPermissionResult(int routing_id, bool result);
[email protected]d8415ad92012-08-23 14:40:50601
[email protected]d0759f492012-04-19 22:50:50602 // IPC message handlers.
[email protected]0dd3a0ab2011-02-18 08:17:44603 void OnDidLoadResourceFromMemoryCache(const GURL& url,
[email protected]70435962011-08-02 20:13:28604 const std::string& security_info,
605 const std::string& http_request,
[email protected]6d6cfb3a2012-05-23 22:53:18606 const std::string& mime_type,
[email protected]70435962011-08-02 20:13:28607 ResourceType::Type resource_type);
[email protected]0dd3a0ab2011-02-18 08:17:44608 void OnDidDisplayInsecureContent();
609 void OnDidRunInsecureContent(const std::string& security_origin,
610 const GURL& target_url);
611 void OnDocumentLoadedInFrame(int64 frame_id);
[email protected]1a55c5b2011-11-29 11:36:31612 void OnDidFinishLoad(int64 frame_id,
[email protected]b502ed462013-01-08 08:20:06613 const GURL& url,
[email protected]1a55c5b2011-11-29 11:36:31614 bool is_main_frame);
615 void OnDidFailLoadWithError(int64 frame_id,
[email protected]b502ed462013-01-08 08:20:06616 const GURL& url,
[email protected]1a55c5b2011-11-29 11:36:31617 bool is_main_frame,
618 int error_code,
619 const string16& error_description);
[email protected]0dd3a0ab2011-02-18 08:17:44620 void OnGoToEntryAtOffset(int offset);
[email protected]216813952011-05-19 22:21:26621 void OnUpdateZoomLimits(int minimum_percent,
622 int maximum_percent,
623 bool remember);
[email protected]2dec8ec2013-02-07 19:20:34624 void OnEnumerateDirectory(int request_id, const base::FilePath& path);
[email protected]7d189022011-08-25 22:54:20625 void OnJSOutOfMemory();
[email protected]b7a756d42012-01-23 18:08:17626
[email protected]7d189022011-08-25 22:54:20627 void OnRegisterProtocolHandler(const std::string& protocol,
628 const GURL& url,
[email protected]3a3b75a2012-06-01 08:38:36629 const string16& title,
630 bool user_gesture);
[email protected]59363fc92012-09-05 03:46:31631 void OnFindReply(int request_id,
632 int number_of_matches,
633 const gfx::Rect& selection_rect,
634 int active_match_ordinal,
[email protected]b888919c2011-09-02 00:32:16635 bool final_update);
[email protected]59363fc92012-09-05 03:46:31636#if defined(OS_ANDROID)
637 void OnFindMatchRectsReply(int version,
638 const std::vector<gfx::RectF>& rects,
639 const gfx::RectF& active_rect);
[email protected]583418cc2013-01-17 14:01:10640
[email protected]1ff427972013-02-07 21:14:07641 void OnOpenDateTimeDialog(
642 const ViewHostMsg_DateTimeDialogValue_Params& value);
[email protected]a794f3a2013-10-30 17:00:32643 void OnJavaBridgeGetChannelHandle(IPC::Message* reply_msg);
[email protected]59363fc92012-09-05 03:46:31644#endif
[email protected]2dec8ec2013-02-07 19:20:34645 void OnCrashedPlugin(const base::FilePath& plugin_path,
646 base::ProcessId plugin_pid);
[email protected]7fc4bbb2011-09-08 21:23:10647 void OnAppCacheAccessed(const GURL& manifest_url, bool blocked_by_policy);
[email protected]55578b0a2012-04-18 14:31:32648 void OnOpenColorChooser(int color_chooser_id, SkColor color);
[email protected]da8543762012-03-20 08:52:20649 void OnEndColorChooser(int color_chooser_id);
[email protected]55578b0a2012-04-18 14:31:32650 void OnSetSelectedColorInColorChooser(int color_chooser_id, SkColor color);
[email protected]8be45842012-04-13 19:49:29651 void OnPepperPluginHung(int plugin_child_id,
[email protected]2dec8ec2013-02-07 19:20:34652 const base::FilePath& path,
[email protected]8be45842012-04-13 19:49:29653 bool is_hung);
[email protected]d0759f492012-04-19 22:50:50654 void OnWebUISend(const GURL& source_url,
655 const std::string& name,
656 const base::ListValue& args);
[email protected]ea0309c2013-08-06 19:35:44657 void OnRequestPpapiBrokerPermission(int routing_id,
[email protected]d8415ad92012-08-23 14:40:50658 const GURL& url,
[email protected]2dec8ec2013-02-07 19:20:34659 const base::FilePath& plugin_path);
[email protected]c4538072013-03-18 02:17:55660 void OnBrowserPluginMessage(const IPC::Message& message);
[email protected]41225fe2013-03-29 05:32:02661 void OnDidDownloadImage(int id,
[email protected]749fadd2013-05-15 08:37:48662 int http_status_code,
[email protected]41225fe2013-03-29 05:32:02663 const GURL& image_url,
[email protected]263cb08f2013-09-18 00:26:30664 const std::vector<SkBitmap>& bitmaps,
665 const std::vector<gfx::Size>& original_bitmap_sizes);
[email protected]795c28972012-12-06 06:13:39666 void OnUpdateFaviconURL(int32 page_id,
667 const std::vector<FaviconURL>& candidates);
[email protected]9f268072013-11-07 00:02:15668 void OnFirstVisuallyNonEmptyPaint(int32 page_id);
[email protected]d9030b82013-07-19 08:26:06669 void OnMediaNotification(int64 player_cookie,
670 bool has_video,
671 bool has_audio,
672 bool is_playing);
673
[email protected]0dd3a0ab2011-02-18 08:17:44674 // Called by derived classes to indicate that we're no longer waiting for a
675 // response. This won't actually update the throbber, but it will get picked
676 // up at the next animation step if the throbber is going.
677 void SetNotWaitingForResponse() { waiting_for_response_ = false; }
678
[email protected]0dd3a0ab2011-02-18 08:17:44679 // Navigation helpers --------------------------------------------------------
680 //
681 // These functions are helpers for Navigate() and DidNavigate().
682
683 // Handles post-navigation tasks in DidNavigate AFTER the entry has been
684 // committed to the navigation controller. Note that the navigation entry is
685 // not provided since it may be invalid/changed after being committed. The
686 // current navigation entry is in the NavigationController at this point.
687 void DidNavigateMainFramePostCommit(
[email protected]8ff00d72012-10-23 19:12:21688 const LoadCommittedDetails& details,
[email protected]0dd3a0ab2011-02-18 08:17:44689 const ViewHostMsg_FrameNavigate_Params& params);
690 void DidNavigateAnyFramePostCommit(
[email protected]8ff00d72012-10-23 19:12:21691 RenderViewHost* render_view_host,
692 const LoadCommittedDetails& details,
[email protected]0dd3a0ab2011-02-18 08:17:44693 const ViewHostMsg_FrameNavigate_Params& params);
694
[email protected]2f7b3c5a2013-06-21 04:59:25695 // Specifies whether the passed in URL should be assigned as the site of the
696 // current SiteInstance, if it does not yet have a site.
697 bool ShouldAssignSiteForURL(const GURL& url);
698
[email protected]74ce1ad2011-12-16 21:51:46699 // If our controller was restored, update the max page ID associated with the
700 // given RenderViewHost to be larger than the number of restored entries.
701 // This is called in CreateRenderView before any navigations in the RenderView
702 // have begun, to prevent any races in updating RenderView::next_page_id.
[email protected]8ff00d72012-10-23 19:12:21703 void UpdateMaxPageIDIfNecessary(RenderViewHost* rvh);
[email protected]0dd3a0ab2011-02-18 08:17:44704
[email protected]0dd3a0ab2011-02-18 08:17:44705 // Saves the given title to the navigation entry and does associated work. It
706 // will update history and the view for the new title, and also synthesize
707 // titles for file URLs that have none (so we require that the URL of the
708 // entry already be set).
709 //
710 // This is used as the backend for state updates, which include a new title,
711 // or the dedicated set title message. It returns true if the new title is
712 // different and was therefore updated.
[email protected]8ff00d72012-10-23 19:12:21713 bool UpdateTitleForEntry(NavigationEntryImpl* entry,
[email protected]10f417c52011-12-28 21:04:23714 const string16& title);
[email protected]0dd3a0ab2011-02-18 08:17:44715
[email protected]b172aee2012-04-10 17:05:26716 // Causes the WebContentsImpl to navigate in the right renderer to |entry|,
717 // which must be already part of the entries in the navigation controller.
[email protected]0dd3a0ab2011-02-18 08:17:44718 // This does not change the NavigationController state.
[email protected]8ff00d72012-10-23 19:12:21719 bool NavigateToEntry(const NavigationEntryImpl& entry,
720 NavigationController::ReloadType reload_type);
[email protected]0dd3a0ab2011-02-18 08:17:44721
[email protected]14392a52012-05-02 20:28:44722 // Recursively creates swapped out RenderViews for this tab's opener chain
723 // (including this tab) in the given SiteInstance, allowing other tabs to send
724 // cross-process JavaScript calls to their opener(s). Returns the route ID of
725 // this tab's RenderView for |instance|.
[email protected]8ff00d72012-10-23 19:12:21726 int CreateOpenerRenderViews(SiteInstance* instance);
[email protected]14392a52012-05-02 20:28:44727
[email protected]bafe6cd2012-05-23 23:09:50728 // Helper for CreateNewWidget/CreateNewFullscreenWidget.
729 void CreateNewWidget(int route_id,
730 bool is_fullscreen,
[email protected]180ef242013-11-07 06:50:46731 blink::WebPopupType popup_type);
[email protected]bafe6cd2012-05-23 23:09:50732
733 // Helper for ShowCreatedWidget/ShowCreatedFullscreenWidget.
734 void ShowCreatedWidget(int route_id,
735 bool is_fullscreen,
736 const gfx::Rect& initial_pos);
737
738 // Finds the new RenderWidgetHost and returns it. Note that this can only be
739 // called once as this call also removes it from the internal map.
[email protected]8ff00d72012-10-23 19:12:21740 RenderWidgetHostView* GetCreatedWidget(int route_id);
[email protected]bafe6cd2012-05-23 23:09:50741
742 // Finds the new WebContentsImpl by route_id, initializes it for
743 // renderer-initiated creation, and returns it. Note that this can only be
744 // called once as this call also removes it from the internal map.
745 WebContentsImpl* GetCreatedWindow(int route_id);
746
[email protected]f8497342013-02-05 22:15:02747 // Returns the RenderWidgetHostView that is associated with a native window
748 // and can be used in showing created widgets.
749 // If this WebContents belongs to a browser plugin guest, there is no native
750 // window 'view' associated with this WebContents. This method returns the
751 // 'view' of the embedder instead.
752 RenderWidgetHostViewPort* GetRenderWidgetHostViewPort() const;
753
[email protected]0dd3a0ab2011-02-18 08:17:44754 // Misc non-view stuff -------------------------------------------------------
755
756 // Helper functions for sending notifications.
[email protected]7b712ee22013-10-03 00:57:28757 void NotifySwapped(RenderViewHost* old_host, RenderViewHost* new_host);
[email protected]0dd3a0ab2011-02-18 08:17:44758 void NotifyDisconnected();
759
[email protected]be1f56ab2011-12-22 06:55:31760 void SetEncoding(const std::string& encoding);
761
[email protected]fa944cb82013-11-15 17:51:21762 // TODO(creis): This should take in a FrameTreeNode to know which node's
763 // render manager to return. For now, we just return the root's.
[email protected]b0936d22013-11-28 06:47:36764 RenderFrameHostManager* GetRenderManager() const;
[email protected]fa944cb82013-11-15 17:51:21765
[email protected]8ff00d72012-10-23 19:12:21766 RenderViewHostImpl* GetRenderViewHostImpl();
[email protected]9f76c1e2012-03-05 15:15:58767
[email protected]7a846df2012-09-20 19:17:39768 // Removes browser plugin embedder if there is one.
769 void RemoveBrowserPluginEmbedder();
770
[email protected]d9030b82013-07-19 08:26:06771 // Clear |render_view_host|'s PowerSaveBlockers.
772 void ClearPowerSaveBlockers(RenderViewHost* render_view_host);
773
774 // Clear all PowerSaveBlockers, leave power_save_blocker_ empty.
775 void ClearAllPowerSaveBlockers();
776
[email protected]dc0fd432013-08-27 15:29:21777 // Helper function to invoke WebContentsDelegate::GetSizeForNewRenderView().
778 gfx::Size GetSizeForNewRenderView() const;
779
[email protected]9b159a52013-10-03 17:24:55780 void OnFrameRemoved(RenderViewHostImpl* render_view_host, int64 frame_id);
781
[email protected]e4abd3b42013-11-12 18:28:47782 // Adds/removes a callback called on creation of each new WebContents.
783 // Deprecated, about to remove.
784 static void AddCreatedCallback(const CreatedCallback& callback);
785 static void RemoveCreatedCallback(const CreatedCallback& callback);
786
[email protected]0dd3a0ab2011-02-18 08:17:44787 // Data for core operation ---------------------------------------------------
788
789 // Delegate for notifying our owner about stuff. Not owned by us.
[email protected]8ff00d72012-10-23 19:12:21790 WebContentsDelegate* delegate_;
[email protected]0dd3a0ab2011-02-18 08:17:44791
792 // Handles the back/forward list and loading.
[email protected]d202a7c2012-01-04 07:53:47793 NavigationControllerImpl controller_;
[email protected]0dd3a0ab2011-02-18 08:17:44794
795 // The corresponding view.
[email protected]60780f412013-02-25 16:34:10796 scoped_ptr<WebContentsViewPort> view_;
[email protected]0dd3a0ab2011-02-18 08:17:44797
[email protected]5a3bdf52012-05-24 15:12:57798 // The view of the RVHD. Usually this is our WebContentsView implementation,
799 // but if an embedder uses a different WebContentsView, they'll need to
800 // provide this.
[email protected]8ff00d72012-10-23 19:12:21801 RenderViewHostDelegateView* render_view_host_delegate_view_;
[email protected]5a3bdf52012-05-24 15:12:57802
[email protected]bafe6cd2012-05-23 23:09:50803 // Tracks created WebContentsImpl objects that have not been shown yet. They
804 // are identified by the route ID passed to CreateNewWindow.
805 typedef std::map<int, WebContentsImpl*> PendingContents;
806 PendingContents pending_contents_;
807
808 // These maps hold on to the widgets that we created on behalf of the renderer
809 // that haven't shown yet.
[email protected]8ff00d72012-10-23 19:12:21810 typedef std::map<int, RenderWidgetHostView*> PendingWidgetViews;
[email protected]bafe6cd2012-05-23 23:09:50811 PendingWidgetViews pending_widget_views_;
812
[email protected]7fff43e2013-05-21 20:21:10813 typedef std::map<WebContentsImpl*, DestructionObserver*> DestructionObservers;
814 DestructionObservers destruction_observers_;
815
[email protected]996042972011-11-08 22:43:59816 // A list of observers notified when page state changes. Weak references.
[email protected]fa944cb82013-11-15 17:51:21817 // This MUST be listed above frame_tree_ since at destruction time the
[email protected]996042972011-11-08 22:43:59818 // latter might cause RenderViewHost's destructor to call us and we might use
819 // the observer list then.
[email protected]8ff00d72012-10-23 19:12:21820 ObserverList<WebContentsObserver> observers_;
[email protected]996042972011-11-08 22:43:59821
[email protected]14392a52012-05-02 20:28:44822 // The tab that opened this tab, if any. Will be set to null if the opener
823 // is closed.
824 WebContentsImpl* opener_;
825
[email protected]c73a2282013-04-29 21:10:41826#if defined(OS_WIN) && defined(USE_AURA)
827 gfx::NativeViewAccessible accessible_parent_;
828#endif
829
[email protected]0dd3a0ab2011-02-18 08:17:44830 // Helper classes ------------------------------------------------------------
831
[email protected]d9030b82013-07-19 08:26:06832 // Maps the RenderViewHost to its media_player_cookie and PowerSaveBlocker
833 // pairs. Key is the RenderViewHost, value is the map which maps player_cookie
834 // on to PowerSaveBlocker.
835 typedef std::map<RenderViewHost*, std::map<int64, PowerSaveBlocker*> >
836 PowerSaveBlockerMap;
837 PowerSaveBlockerMap power_save_blockers_;
838
[email protected]fa944cb82013-11-15 17:51:21839 // Manages the frame tree of the page and process swaps in each node.
[email protected]9b159a52013-10-03 17:24:55840 FrameTree frame_tree_;
841
[email protected]c7654a232013-06-12 21:04:44842#if defined(OS_ANDROID)
[email protected]483623eb2011-10-25 09:30:00843 // Manages injecting Java objects into all RenderViewHosts associated with
[email protected]b172aee2012-04-10 17:05:26844 // this WebContentsImpl.
[email protected]483623eb2011-10-25 09:30:00845 scoped_ptr<JavaBridgeDispatcherHostManager>
846 java_bridge_dispatcher_host_manager_;
[email protected]4cc1ab52013-01-21 19:24:34847#endif
[email protected]483623eb2011-10-25 09:30:00848
[email protected]c7dd2f62011-07-18 15:57:59849 // SavePackage, lazily created.
850 scoped_refptr<SavePackage> save_package_;
851
[email protected]0dd3a0ab2011-02-18 08:17:44852 // Data for loading state ----------------------------------------------------
853
854 // Indicates whether we're currently loading a resource.
855 bool is_loading_;
856
857 // Indicates if the tab is considered crashed.
858 base::TerminationStatus crashed_status_;
859 int crashed_error_code_;
860
[email protected]ca13a442012-04-17 14:00:12861 // Whether this WebContents is waiting for a first-response for the
[email protected]be1f56ab2011-12-22 06:55:31862 // main resource of the page. This controls whether the throbber state is
863 // "waiting" or "loading."
[email protected]0dd3a0ab2011-02-18 08:17:44864 bool waiting_for_response_;
865
[email protected]74ce1ad2011-12-16 21:51:46866 // Map of SiteInstance ID to max page ID for this tab. A page ID is specific
867 // to a given tab and SiteInstance, and must be valid for the lifetime of the
[email protected]b172aee2012-04-10 17:05:26868 // WebContentsImpl.
[email protected]74ce1ad2011-12-16 21:51:46869 std::map<int32, int32> max_page_ids_;
[email protected]0dd3a0ab2011-02-18 08:17:44870
871 // System time at which the current load was started.
872 base::TimeTicks current_load_start_;
873
874 // The current load state and the URL associated with it.
[email protected]9c235f042011-08-10 22:28:21875 net::LoadStateWithParam load_state_;
[email protected]0dd3a0ab2011-02-18 08:17:44876 string16 load_state_host_;
877 // Upload progress, for displaying in the status bar.
878 // Set to zero when there is no significant upload happening.
879 uint64 upload_size_;
880 uint64 upload_position_;
881
882 // Data for current page -----------------------------------------------------
883
[email protected]987fc3a2011-05-26 14:18:09884 // When a title cannot be taken from any entry, this title will be used.
885 string16 page_title_when_no_navigation_entry_;
886
[email protected]0dd3a0ab2011-02-18 08:17:44887 // When a navigation occurs, we record its contents MIME type. It can be
888 // used to check whether we can do something for some special contents.
889 std::string contents_mime_type_;
890
891 // Character encoding.
892 std::string encoding_;
893
[email protected]0dd3a0ab2011-02-18 08:17:44894 // True if this is a secure page which displayed insecure content.
895 bool displayed_insecure_content_;
896
[email protected]0dd3a0ab2011-02-18 08:17:44897 // Data for misc internal state ----------------------------------------------
898
[email protected]54597982013-02-06 01:59:55899 // When > 0, the WebContents is currently being captured (e.g., for
900 // screenshots or mirroring); and the underlying RenderWidgetHost should not
901 // be told it is hidden.
902 int capturer_count_;
903
904 // Tracks whether RWHV should be visible once capturer_count_ becomes zero.
905 bool should_normally_be_visible_;
[email protected]0dd3a0ab2011-02-18 08:17:44906
907 // See getter above.
908 bool is_being_destroyed_;
909
910 // Indicates whether we should notify about disconnection of this
[email protected]b172aee2012-04-10 17:05:26911 // WebContentsImpl. This is used to ensure disconnection notifications only
[email protected]0dd3a0ab2011-02-18 08:17:44912 // happen if a connection notification has happened and that they happen only
913 // once.
914 bool notify_disconnection_;
915
[email protected]71a88bb2013-02-01 22:05:15916 // Pointer to the JavaScript dialog manager, lazily assigned. Used because the
[email protected]b172aee2012-04-10 17:05:26917 // delegate of this WebContentsImpl is nulled before its destructor is called.
[email protected]71a88bb2013-02-01 22:05:15918 JavaScriptDialogManager* dialog_manager_;
[email protected]2e5b90c2011-08-16 21:11:55919
[email protected]0dd3a0ab2011-02-18 08:17:44920 // Set to true when there is an active "before unload" dialog. When true,
921 // we've forced the throbber to start in Navigate, and we need to remember to
922 // turn it off in OnJavaScriptMessageBoxClosed if the navigation is canceled.
923 bool is_showing_before_unload_dialog_;
924
[email protected]0dd3a0ab2011-02-18 08:17:44925 // Settings that get passed to the renderer process.
[email protected]8ff00d72012-10-23 19:12:21926 RendererPreferences renderer_preferences_;
[email protected]0dd3a0ab2011-02-18 08:17:44927
[email protected]0dd3a0ab2011-02-18 08:17:44928 // The time that this tab was last selected.
929 base::TimeTicks last_selected_time_;
930
[email protected]0dd3a0ab2011-02-18 08:17:44931 // See description above setter.
932 bool closed_by_user_gesture_;
933
934 // Minimum/maximum zoom percent.
935 int minimum_zoom_percent_;
936 int maximum_zoom_percent_;
937 // If true, the default zoom limits have been overriden for this tab, in which
938 // case we don't want saved settings to apply to it and we don't want to
939 // remember it.
940 bool temporary_zoom_settings_;
941
[email protected]bcd2815602012-01-14 18:17:23942 // The intrinsic size of the page.
943 gfx::Size preferred_size_;
944
[email protected]583418cc2013-01-17 14:01:10945#if defined(OS_ANDROID)
946 // Date time chooser opened by this tab.
947 // Only used in Android since all other platforms use a multi field UI.
948 scoped_ptr<DateTimeChooserAndroid> date_time_chooser_;
949#endif
950
[email protected]da8543762012-03-20 08:52:20951 // Color chooser that was opened by this tab.
[email protected]cb805452013-05-22 15:16:21952 scoped_ptr<ColorChooser> color_chooser_;
953
954 // A unique identifier for the current color chooser. Identifiers are unique
955 // across a renderer process. This avoids race conditions in synchronizing
956 // the browser and renderer processes. For example, if a renderer closes one
957 // chooser and opens another, and simultaneously the user picks a color in the
958 // first chooser, the IDs can be used to drop the "chose a color" message
959 // rather than erroneously tell the renderer that the user picked a color in
960 // the second chooser.
961 int color_chooser_identifier_;
[email protected]da8543762012-03-20 08:52:20962
[email protected]7a846df2012-09-20 19:17:39963 // Manages the embedder state for browser plugins, if this WebContents is an
964 // embedder; NULL otherwise.
[email protected]8ff00d72012-10-23 19:12:21965 scoped_ptr<BrowserPluginEmbedder> browser_plugin_embedder_;
[email protected]7a846df2012-09-20 19:17:39966 // Manages the guest state for browser plugin, if this WebContents is a guest;
967 // NULL otherwise.
[email protected]8ff00d72012-10-23 19:12:21968 scoped_ptr<BrowserPluginGuest> browser_plugin_guest_;
[email protected]7a846df2012-09-20 19:17:39969
[email protected]f53a9f872012-05-24 02:07:06970 // This must be at the end, or else we might get notifications and use other
971 // member variables that are gone.
[email protected]8ff00d72012-10-23 19:12:21972 NotificationRegistrar registrar_;
[email protected]f53a9f872012-05-24 02:07:06973
[email protected]7bb761892012-07-20 09:32:47974 // Used during IPC message dispatching so that the handlers can get a pointer
975 // to the RVH through which the message was received.
[email protected]8ff00d72012-10-23 19:12:21976 RenderViewHost* message_source_;
[email protected]7bb761892012-07-20 09:32:47977
[email protected]b24b68a2012-09-24 21:57:26978 // All live RenderWidgetHostImpls that are created by this object and may
979 // outlive it.
[email protected]8ff00d72012-10-23 19:12:21980 std::set<RenderWidgetHostImpl*> created_widgets_;
[email protected]b24b68a2012-09-24 21:57:26981
[email protected]44470a22013-01-24 01:21:54982 // Routing id of the shown fullscreen widget or MSG_ROUTING_NONE otherwise.
983 int fullscreen_widget_routing_id_;
984
[email protected]41225fe2013-03-29 05:32:02985 // Maps the ids of pending image downloads to their callbacks
986 typedef std::map<int, ImageDownloadCallback> ImageDownloadMap;
987 ImageDownloadMap image_download_map_;
[email protected]795c28972012-12-06 06:13:39988
[email protected]b172aee2012-04-10 17:05:26989 DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
[email protected]0dd3a0ab2011-02-18 08:17:44990};
991
[email protected]8ff00d72012-10-23 19:12:21992} // namespace content
993
[email protected]93ddb3c2012-04-11 21:44:29994#endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_