web_contents_impl.h revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e
15821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Copyright (c) 2012 The Chromium Authors. All rights reserved. 25821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Use of this source code is governed by a BSD-style license that can be 35821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// found in the LICENSE file. 45821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 55821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#ifndef CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_ 65821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_ 75821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 85821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <map> 95821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <set> 105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include <string> 115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/compiler_specific.h" 135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/gtest_prod_util.h" 145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/memory/scoped_ptr.h" 155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/observer_list.h" 165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/process/process.h" 175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "base/values.h" 185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/renderer_host/render_view_host_delegate.h" 195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/renderer_host/render_widget_host_delegate.h" 205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/web_contents/frame_tree_node.h" 215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/web_contents/navigation_controller_impl.h" 225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/browser/web_contents/render_view_host_manager.h" 235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/common/content_export.h" 245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_observer.h" 255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/notification_registrar.h" 265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/browser/web_contents.h" 275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/renderer_preferences.h" 285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "content/public/common/three_d_api_types.h" 295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "net/base/load_states.h" 305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "third_party/WebKit/public/web/WebDragOperation.h" 315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/rect_f.h" 325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/size.h" 335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "ui/gfx/vector2d.h" 345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)#include "webkit/common/resource_type.h" 355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct BrowserPluginHostMsg_ResizeGuest_Params; 375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct ViewHostMsg_DateTimeDialogValue_Params; 385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct ViewMsg_PostMessage_Params; 395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)namespace content { 415821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class BrowserPluginEmbedder; 425821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class BrowserPluginGuest; 435821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class BrowserPluginGuestManager; 445821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class ColorChooser; 455821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class DateTimeChooserAndroid; 465821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class DownloadItem; 475821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class InterstitialPageImpl; 485821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class JavaBridgeDispatcherHostManager; 495821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class JavaScriptDialogManager; 505821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class PowerSaveBlocker; 515821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class RenderViewHost; 525821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class RenderViewHostDelegateView; 535821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class RenderViewHostImpl; 545821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class RenderWidgetHostImpl; 555821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class RenderWidgetHostViewPort; 565821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SavePackage; 575821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SessionStorageNamespaceImpl; 585821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class SiteInstance; 595821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class TestWebContents; 605821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WebContentsDelegate; 615821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WebContentsImpl; 625821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WebContentsObserver; 635821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WebContentsViewPort; 645821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class WebContentsViewDelegate; 655821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct FaviconURL; 665821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)struct LoadNotificationDetails; 675821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 685821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// Factory function for the implementations that content knows about. Takes 695821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)// ownership of |delegate|. 705821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)WebContentsViewPort* CreateWebContentsView( 715821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WebContentsImpl* web_contents, 725821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WebContentsViewDelegate* delegate, 735821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RenderViewHostDelegateView** render_view_host_delegate_view); 745821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 755821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles)class CONTENT_EXPORT WebContentsImpl 765821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) : public NON_EXPORTED_BASE(WebContents), 775821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public RenderViewHostDelegate, 785821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public RenderWidgetHostDelegate, 795821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public RenderViewHostManager::Delegate, 805821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public NotificationObserver { 815821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) public: 825821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual ~WebContentsImpl(); 835821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 845821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static WebContentsImpl* CreateWithOpener( 855821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) const WebContents::CreateParams& params, 865821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WebContentsImpl* opener); 875821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 885821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the opener WebContentsImpl, if any. This can be set to null if the 895821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // opener is closed or the page clears its window.opener. 905821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) WebContentsImpl* opener() const { return opener_; } 915821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 925821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Creates a WebContents to be used as a browser plugin guest. 935821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static BrowserPluginGuest* CreateGuest( 945821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) BrowserContext* browser_context, 955821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) content::SiteInstance* site_instance, 965821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int guest_instance_id, 975821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) scoped_ptr<base::DictionaryValue> extra_params); 985821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 995821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the content specific prefs for the given RVH. 1005821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) static WebPreferences GetWebkitPrefs( 1015821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) RenderViewHost* rvh, const GURL& url); 1025821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1035821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Creates a swapped out RenderView. This is used by the browser plugin to 1045821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // create a swapped out RenderView in the embedder render process for the 1055821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // guest, to expose the guest's window object to the embedder. 1065821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This returns the routing ID of the newly created swapped out RenderView. 1075821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int CreateSwappedOutRenderView(SiteInstance* instance); 1085821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1095821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Complex initialization here. Specifically needed to avoid having 1105821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // members call back into our virtual functions in the constructor. 1115821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) virtual void Init(const WebContents::CreateParams& params); 1125821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1135821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Returns the SavePackage which manages the page saving job. May be NULL. 1145821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) SavePackage* save_package() const { return save_package_.get(); } 1155821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1165821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Updates the max page ID for the current SiteInstance in this 1175821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // WebContentsImpl to be at least |page_id|. 1185821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void UpdateMaxPageID(int32 page_id); 1195821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1205821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Updates the max page ID for the given SiteInstance in this WebContentsImpl 1215821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to be at least |page_id|. 1225821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void UpdateMaxPageIDForSiteInstance(SiteInstance* site_instance, 1235821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) int32 page_id); 1245821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1255821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Copy the current map of SiteInstance ID to max page ID from another tab. 1265821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // This is necessary when this tab adopts the NavigationEntries from 1275821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // |web_contents|. 1285821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) void CopyMaxPageIDsFrom(WebContentsImpl* web_contents); 1295821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) 1305821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // Called by the NavigationController to cause the WebContentsImpl to navigate 1315821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to the current pending entry. The NavigationController should be called 1325821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // back with RendererDidNavigate on success or DiscardPendingEntry on failure. 1335821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The callbacks can be inside of this function, or at some future time. 1345821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 1355821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // The entry has a PageID of -1 if newly created (corresponding to navigation 1365821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to a new URL). 1375821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // 1385821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // If this method returns false, then the navigation is discarded (equivalent 1395821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) // to calling DiscardPendingEntry on the NavigationController). 1405821806d5e7f356e8fa4b058a389a808ea183019Torne (Richard Coles) bool NavigateToPendingEntry(NavigationController::ReloadType reload_type); 141 142 // Called by InterstitialPageImpl when it creates a RenderViewHost. 143 void RenderViewForInterstitialPageCreated(RenderViewHost* render_view_host); 144 145 // Sets the passed interstitial as the currently showing interstitial. 146 // No interstitial page should already be attached. 147 void AttachInterstitialPage(InterstitialPageImpl* interstitial_page); 148 149 // Unsets the currently showing interstitial. 150 void DetachInterstitialPage(); 151 152#if defined(OS_ANDROID) 153 JavaBridgeDispatcherHostManager* java_bridge_dispatcher_host_manager() const { 154 return java_bridge_dispatcher_host_manager_.get(); 155 } 156 157 // In Android WebView, the RenderView needs created even there is no 158 // navigation entry, this allows Android WebViews to use 159 // javascript: URLs that load into the DOMWindow before the first page 160 // load. This is not safe to do in any context that a web page could get a 161 // reference to the DOMWindow before the first page load. 162 bool CreateRenderViewForInitialEmptyDocument(); 163#endif 164 165 // Expose the render manager for testing. 166 RenderViewHostManager* GetRenderManagerForTesting(); 167 168 // Returns guest browser plugin object, or NULL if this WebContents is not a 169 // guest. 170 BrowserPluginGuest* GetBrowserPluginGuest() const; 171 172 // Sets a BrowserPluginGuest object for this WebContents. If this WebContents 173 // has a BrowserPluginGuest then that implies that it is being hosted by 174 // a BrowserPlugin object in an embedder renderer process. 175 void SetBrowserPluginGuest(BrowserPluginGuest* guest); 176 177 // Returns embedder browser plugin object, or NULL if this WebContents is not 178 // an embedder. 179 BrowserPluginEmbedder* GetBrowserPluginEmbedder() const; 180 181 // Returns the BrowserPluginGuestManager object, or NULL if this web contents 182 // does not have a BrowserPluginGuestManager. 183 BrowserPluginGuestManager* GetBrowserPluginGuestManager() const; 184 185 // Gets the current fullscreen render widget's routing ID. Returns 186 // MSG_ROUTING_NONE when there is no fullscreen render widget. 187 int GetFullscreenWidgetRoutingID() const; 188 189 // Invoked when visible SSL state (as defined by SSLStatus) changes. 190 void DidChangeVisibleSSLState(); 191 192 // Invoked before a form repost warning is shown. 193 void NotifyBeforeFormRepostWarningShow(); 194 195 196 // Informs the render view host and the BrowserPluginEmbedder, if present, of 197 // a Drag Source End. 198 void DragSourceEndedAt(int client_x, int client_y, int screen_x, 199 int screen_y, WebKit::WebDragOperation operation); 200 201 // Informs the render view host and the BrowserPluginEmbedder, if present, of 202 // a Drag Source Move. 203 void DragSourceMovedTo(int client_x, int client_y, 204 int screen_x, int screen_y); 205 206 FrameTreeNode* GetFrameTreeRootForTesting() { 207 return frame_tree_root_.get(); 208 } 209 210 // WebContents ------------------------------------------------------ 211 virtual WebContentsDelegate* GetDelegate() OVERRIDE; 212 virtual void SetDelegate(WebContentsDelegate* delegate) OVERRIDE; 213 virtual NavigationControllerImpl& GetController() OVERRIDE; 214 virtual const NavigationControllerImpl& GetController() const OVERRIDE; 215 virtual BrowserContext* GetBrowserContext() const OVERRIDE; 216 virtual RenderProcessHost* GetRenderProcessHost() const OVERRIDE; 217 virtual RenderViewHost* GetRenderViewHost() const OVERRIDE; 218 virtual void GetRenderViewHostAtPosition( 219 int x, 220 int y, 221 const GetRenderViewHostCallback& callback) OVERRIDE; 222 virtual WebContents* GetEmbedderWebContents() const OVERRIDE; 223 virtual int GetEmbeddedInstanceID() const OVERRIDE; 224 virtual int GetRoutingID() const OVERRIDE; 225 virtual RenderWidgetHostView* GetRenderWidgetHostView() const OVERRIDE; 226 virtual RenderWidgetHostView* GetFullscreenRenderWidgetHostView() const 227 OVERRIDE; 228 virtual WebContentsView* GetView() const OVERRIDE; 229 virtual WebUI* CreateWebUI(const GURL& url) OVERRIDE; 230 virtual WebUI* GetWebUI() const OVERRIDE; 231 virtual WebUI* GetCommittedWebUI() const OVERRIDE; 232 virtual void SetUserAgentOverride(const std::string& override) OVERRIDE; 233 virtual const std::string& GetUserAgentOverride() const OVERRIDE; 234#if defined(OS_WIN) && defined(USE_AURA) 235 virtual void SetParentNativeViewAccessible( 236 gfx::NativeViewAccessible accessible_parent) OVERRIDE; 237#endif 238 virtual const string16& GetTitle() const OVERRIDE; 239 virtual int32 GetMaxPageID() OVERRIDE; 240 virtual int32 GetMaxPageIDForSiteInstance( 241 SiteInstance* site_instance) OVERRIDE; 242 virtual SiteInstance* GetSiteInstance() const OVERRIDE; 243 virtual SiteInstance* GetPendingSiteInstance() const OVERRIDE; 244 virtual bool IsLoading() const OVERRIDE; 245 virtual bool IsWaitingForResponse() const OVERRIDE; 246 virtual const net::LoadStateWithParam& GetLoadState() const OVERRIDE; 247 virtual const string16& GetLoadStateHost() const OVERRIDE; 248 virtual uint64 GetUploadSize() const OVERRIDE; 249 virtual uint64 GetUploadPosition() const OVERRIDE; 250 virtual std::set<GURL> GetSitesInTab() const OVERRIDE; 251 virtual const std::string& GetEncoding() const OVERRIDE; 252 virtual bool DisplayedInsecureContent() const OVERRIDE; 253 virtual void IncrementCapturerCount() OVERRIDE; 254 virtual void DecrementCapturerCount() OVERRIDE; 255 virtual int GetCapturerCount() const OVERRIDE; 256 virtual bool IsCrashed() const OVERRIDE; 257 virtual void SetIsCrashed(base::TerminationStatus status, 258 int error_code) OVERRIDE; 259 virtual base::TerminationStatus GetCrashedStatus() const OVERRIDE; 260 virtual bool IsBeingDestroyed() const OVERRIDE; 261 virtual void NotifyNavigationStateChanged(unsigned changed_flags) OVERRIDE; 262 virtual base::TimeTicks GetLastSelectedTime() const OVERRIDE; 263 virtual void WasShown() OVERRIDE; 264 virtual void WasHidden() OVERRIDE; 265 virtual bool NeedToFireBeforeUnload() OVERRIDE; 266 virtual void Stop() OVERRIDE; 267 virtual WebContents* Clone() OVERRIDE; 268 virtual void FocusThroughTabTraversal(bool reverse) OVERRIDE; 269 virtual bool ShowingInterstitialPage() const OVERRIDE; 270 virtual InterstitialPage* GetInterstitialPage() const OVERRIDE; 271 virtual bool IsSavable() OVERRIDE; 272 virtual void OnSavePage() OVERRIDE; 273 virtual bool SavePage(const base::FilePath& main_file, 274 const base::FilePath& dir_path, 275 SavePageType save_type) OVERRIDE; 276 virtual void SaveFrame(const GURL& url, 277 const Referrer& referrer) OVERRIDE; 278 virtual void GenerateMHTML( 279 const base::FilePath& file, 280 const base::Callback<void(int64)>& callback) 281 OVERRIDE; 282 virtual bool IsActiveEntry(int32 page_id) OVERRIDE; 283 284 virtual const std::string& GetContentsMimeType() const OVERRIDE; 285 virtual bool WillNotifyDisconnection() const OVERRIDE; 286 virtual void SetOverrideEncoding(const std::string& encoding) OVERRIDE; 287 virtual void ResetOverrideEncoding() OVERRIDE; 288 virtual RendererPreferences* GetMutableRendererPrefs() OVERRIDE; 289 virtual void Close() OVERRIDE; 290 virtual void SystemDragEnded() OVERRIDE; 291 virtual void UserGestureDone() OVERRIDE; 292 virtual void SetClosedByUserGesture(bool value) OVERRIDE; 293 virtual bool GetClosedByUserGesture() const OVERRIDE; 294 virtual double GetZoomLevel() const OVERRIDE; 295 virtual int GetZoomPercent(bool* enable_increment, 296 bool* enable_decrement) const OVERRIDE; 297 virtual void ViewSource() OVERRIDE; 298 virtual void ViewFrameSource(const GURL& url, 299 const PageState& page_state) OVERRIDE; 300 virtual int GetMinimumZoomPercent() const OVERRIDE; 301 virtual int GetMaximumZoomPercent() const OVERRIDE; 302 virtual gfx::Size GetPreferredSize() const OVERRIDE; 303 virtual bool GotResponseToLockMouseRequest(bool allowed) OVERRIDE; 304 virtual bool HasOpener() const OVERRIDE; 305 virtual void DidChooseColorInColorChooser(SkColor color) OVERRIDE; 306 virtual void DidEndColorChooser() OVERRIDE; 307 virtual int DownloadImage(const GURL& url, 308 bool is_favicon, 309 uint32_t max_bitmap_size, 310 const ImageDownloadCallback& callback) OVERRIDE; 311 312 // Implementation of PageNavigator. 313 virtual WebContents* OpenURL(const OpenURLParams& params) OVERRIDE; 314 315 // Implementation of IPC::Sender. 316 virtual bool Send(IPC::Message* message) OVERRIDE; 317 318 // RenderViewHostDelegate ---------------------------------------------------- 319 320 virtual RenderViewHostDelegateView* GetDelegateView() OVERRIDE; 321 virtual RenderViewHostDelegate::RendererManagement* 322 GetRendererManagementDelegate() OVERRIDE; 323 virtual bool OnMessageReceived(RenderViewHost* render_view_host, 324 const IPC::Message& message) OVERRIDE; 325 virtual const GURL& GetURL() const OVERRIDE; 326 virtual const GURL& GetVisibleURL() const OVERRIDE; 327 virtual const GURL& GetLastCommittedURL() const OVERRIDE; 328 virtual WebContents* GetAsWebContents() OVERRIDE; 329 virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE; 330 virtual void RenderViewCreated(RenderViewHost* render_view_host) OVERRIDE; 331 virtual void RenderViewReady(RenderViewHost* render_view_host) OVERRIDE; 332 virtual void RenderViewTerminated(RenderViewHost* render_view_host, 333 base::TerminationStatus status, 334 int error_code) OVERRIDE; 335 virtual void RenderViewDeleted(RenderViewHost* render_view_host) OVERRIDE; 336 virtual void DidStartProvisionalLoadForFrame( 337 RenderViewHost* render_view_host, 338 int64 frame_id, 339 int64 parent_frame_id, 340 bool main_frame, 341 const GURL& url) OVERRIDE; 342 virtual void DidRedirectProvisionalLoad( 343 RenderViewHost* render_view_host, 344 int32 page_id, 345 const GURL& source_url, 346 const GURL& target_url) OVERRIDE; 347 virtual void DidFailProvisionalLoadWithError( 348 RenderViewHost* render_view_host, 349 const ViewHostMsg_DidFailProvisionalLoadWithError_Params& params) 350 OVERRIDE; 351 virtual void DidGetResourceResponseStart( 352 const ResourceRequestDetails& details) OVERRIDE; 353 virtual void DidGetRedirectForResourceRequest( 354 const ResourceRedirectDetails& details) OVERRIDE; 355 virtual void DidNavigate( 356 RenderViewHost* render_view_host, 357 const ViewHostMsg_FrameNavigate_Params& params) OVERRIDE; 358 virtual void UpdateState(RenderViewHost* render_view_host, 359 int32 page_id, 360 const PageState& page_state) OVERRIDE; 361 virtual void UpdateTitle(RenderViewHost* render_view_host, 362 int32 page_id, 363 const string16& title, 364 base::i18n::TextDirection title_direction) OVERRIDE; 365 virtual void UpdateEncoding(RenderViewHost* render_view_host, 366 const std::string& encoding) OVERRIDE; 367 virtual void UpdateTargetURL(int32 page_id, const GURL& url) OVERRIDE; 368 virtual void Close(RenderViewHost* render_view_host) OVERRIDE; 369 virtual void RequestMove(const gfx::Rect& new_bounds) OVERRIDE; 370 virtual void SwappedOut(RenderViewHost* render_view_host) OVERRIDE; 371 virtual void DidStartLoading(RenderViewHost* render_view_host) OVERRIDE; 372 virtual void DidStopLoading(RenderViewHost* render_view_host) OVERRIDE; 373 virtual void DidCancelLoading() OVERRIDE; 374 virtual void DidChangeLoadProgress(double progress) OVERRIDE; 375 virtual void DidDisownOpener(RenderViewHost* rvh) OVERRIDE; 376 virtual void DidAccessInitialDocument() OVERRIDE; 377 virtual void DocumentAvailableInMainFrame( 378 RenderViewHost* render_view_host) OVERRIDE; 379 virtual void DocumentOnLoadCompletedInMainFrame( 380 RenderViewHost* render_view_host, 381 int32 page_id) OVERRIDE; 382 virtual void RequestOpenURL(RenderViewHost* rvh, 383 const GURL& url, 384 const Referrer& referrer, 385 WindowOpenDisposition disposition, 386 int64 source_frame_id, 387 bool should_replace_current_entry, 388 bool user_gesture) OVERRIDE; 389 virtual void RequestTransferURL( 390 const GURL& url, 391 const Referrer& referrer, 392 WindowOpenDisposition disposition, 393 int64 source_frame_id, 394 const GlobalRequestID& transferred_global_request_id, 395 bool should_replace_current_entry, 396 bool user_gesture) OVERRIDE; 397 virtual void RouteCloseEvent(RenderViewHost* rvh) OVERRIDE; 398 virtual void RouteMessageEvent( 399 RenderViewHost* rvh, 400 const ViewMsg_PostMessage_Params& params) OVERRIDE; 401 virtual void RunJavaScriptMessage(RenderViewHost* rvh, 402 const string16& message, 403 const string16& default_prompt, 404 const GURL& frame_url, 405 JavaScriptMessageType type, 406 IPC::Message* reply_msg, 407 bool* did_suppress_message) OVERRIDE; 408 virtual void RunBeforeUnloadConfirm(RenderViewHost* rvh, 409 const string16& message, 410 bool is_reload, 411 IPC::Message* reply_msg) OVERRIDE; 412 virtual bool AddMessageToConsole(int32 level, 413 const string16& message, 414 int32 line_no, 415 const string16& source_id) OVERRIDE; 416 virtual RendererPreferences GetRendererPrefs( 417 BrowserContext* browser_context) const OVERRIDE; 418 virtual WebPreferences GetWebkitPrefs() OVERRIDE; 419 virtual void OnUserGesture() OVERRIDE; 420 virtual void OnIgnoredUIEvent() OVERRIDE; 421 virtual void RendererUnresponsive(RenderViewHost* render_view_host, 422 bool is_during_beforeunload, 423 bool is_during_unload) OVERRIDE; 424 virtual void RendererResponsive(RenderViewHost* render_view_host) OVERRIDE; 425 virtual void LoadStateChanged(const GURL& url, 426 const net::LoadStateWithParam& load_state, 427 uint64 upload_position, 428 uint64 upload_size) OVERRIDE; 429 virtual void WorkerCrashed() OVERRIDE; 430 virtual void Activate() OVERRIDE; 431 virtual void Deactivate() OVERRIDE; 432 virtual void LostCapture() OVERRIDE; 433 virtual void HandleMouseDown() OVERRIDE; 434 virtual void HandleMouseUp() OVERRIDE; 435 virtual void HandlePointerActivate() OVERRIDE; 436 virtual void HandleGestureBegin() OVERRIDE; 437 virtual void HandleGestureEnd() OVERRIDE; 438 virtual void RunFileChooser( 439 RenderViewHost* render_view_host, 440 const FileChooserParams& params) OVERRIDE; 441 virtual void ToggleFullscreenMode(bool enter_fullscreen) OVERRIDE; 442 virtual bool IsFullscreenForCurrentTab() const OVERRIDE; 443 virtual void UpdatePreferredSize(const gfx::Size& pref_size) OVERRIDE; 444 virtual void ResizeDueToAutoResize(const gfx::Size& new_size) OVERRIDE; 445 virtual void RequestToLockMouse(bool user_gesture, 446 bool last_unlocked_by_target) OVERRIDE; 447 virtual void LostMouseLock() OVERRIDE; 448 virtual void CreateNewWindow( 449 int route_id, 450 int main_frame_route_id, 451 const ViewHostMsg_CreateWindow_Params& params, 452 SessionStorageNamespace* session_storage_namespace) OVERRIDE; 453 virtual void CreateNewWidget(int route_id, 454 WebKit::WebPopupType popup_type) OVERRIDE; 455 virtual void CreateNewFullscreenWidget(int route_id) OVERRIDE; 456 virtual void ShowCreatedWindow(int route_id, 457 WindowOpenDisposition disposition, 458 const gfx::Rect& initial_pos, 459 bool user_gesture) OVERRIDE; 460 virtual void ShowCreatedWidget(int route_id, 461 const gfx::Rect& initial_pos) OVERRIDE; 462 virtual void ShowCreatedFullscreenWidget(int route_id) OVERRIDE; 463 virtual void ShowContextMenu(const ContextMenuParams& params) OVERRIDE; 464 virtual void RequestMediaAccessPermission( 465 const MediaStreamRequest& request, 466 const MediaResponseCallback& callback) OVERRIDE; 467 virtual SessionStorageNamespace* GetSessionStorageNamespace( 468 SiteInstance* instance) OVERRIDE; 469 470 // RenderWidgetHostDelegate -------------------------------------------------- 471 472 virtual void RenderWidgetDeleted( 473 RenderWidgetHostImpl* render_widget_host) OVERRIDE; 474 virtual bool PreHandleKeyboardEvent( 475 const NativeWebKeyboardEvent& event, 476 bool* is_keyboard_shortcut) OVERRIDE; 477 virtual void HandleKeyboardEvent( 478 const NativeWebKeyboardEvent& event) OVERRIDE; 479 virtual bool PreHandleWheelEvent( 480 const WebKit::WebMouseWheelEvent& event) OVERRIDE; 481 virtual void DidSendScreenRects(RenderWidgetHostImpl* rwh) OVERRIDE; 482#if defined(OS_WIN) && defined(USE_AURA) 483 virtual gfx::NativeViewAccessible GetParentNativeViewAccessible() OVERRIDE; 484#endif 485 486 // RenderViewHostManager::Delegate ------------------------------------------- 487 488 virtual bool CreateRenderViewForRenderManager( 489 RenderViewHost* render_view_host, int opener_route_id) OVERRIDE; 490 virtual void BeforeUnloadFiredFromRenderManager( 491 bool proceed, const base::TimeTicks& proceed_time, 492 bool* proceed_to_fire_unload) OVERRIDE; 493 virtual void RenderProcessGoneFromRenderManager( 494 RenderViewHost* render_view_host) OVERRIDE; 495 virtual void UpdateRenderViewSizeForRenderManager() OVERRIDE; 496 virtual void NotifySwappedFromRenderManager( 497 RenderViewHost* old_render_view_host) OVERRIDE; 498 virtual int CreateOpenerRenderViewsForRenderManager( 499 SiteInstance* instance) OVERRIDE; 500 virtual NavigationControllerImpl& 501 GetControllerForRenderManager() OVERRIDE; 502 virtual WebUIImpl* CreateWebUIForRenderManager(const GURL& url) OVERRIDE; 503 virtual NavigationEntry* 504 GetLastCommittedNavigationEntryForRenderManager() OVERRIDE; 505 virtual bool FocusLocationBarByDefault() OVERRIDE; 506 virtual void SetFocusToLocationBar(bool select_all) OVERRIDE; 507 virtual void CreateViewAndSetSizeForRVH(RenderViewHost* rvh) OVERRIDE; 508 virtual bool IsHidden() OVERRIDE; 509 510 // NotificationObserver ------------------------------------------------------ 511 512 virtual void Observe(int type, 513 const NotificationSource& source, 514 const NotificationDetails& details) OVERRIDE; 515 516 517 private: 518 friend class NavigationControllerImpl; 519 friend class WebContentsObserver; 520 friend class WebContents; // To implement factory methods. 521 522 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, NoJSMessageOnInterstitials); 523 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, UpdateTitle); 524 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FindOpenerRVHWhenPending); 525 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, 526 CrossSiteCantPreemptAfterUnload); 527 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, PendingContents); 528 FRIEND_TEST_ALL_PREFIXES(WebContentsImplTest, FrameTreeShape); 529 FRIEND_TEST_ALL_PREFIXES(FormStructureBrowserTest, HTMLFiles); 530 FRIEND_TEST_ALL_PREFIXES(NavigationControllerTest, HistoryNavigate); 531 FRIEND_TEST_ALL_PREFIXES(RenderViewHostManagerTest, PageDoesBackAndReload); 532 533 // So InterstitialPageImpl can access SetIsLoading. 534 friend class InterstitialPageImpl; 535 536 // TODO(brettw) TestWebContents shouldn't exist! 537 friend class TestWebContents; 538 539 class DestructionObserver; 540 541 // See WebContents::Create for a description of these parameters. 542 WebContentsImpl(BrowserContext* browser_context, 543 WebContentsImpl* opener); 544 545 // Add and remove observers for page navigation notifications. Adding or 546 // removing multiple times has no effect. The order in which notifications 547 // are sent to observers is undefined. Clients must be sure to remove the 548 // observer before they go away. 549 void AddObserver(WebContentsObserver* observer); 550 void RemoveObserver(WebContentsObserver* observer); 551 552 // Clears this tab's opener if it has been closed. 553 void OnWebContentsDestroyed(WebContentsImpl* web_contents); 554 555 // Creates and adds to the map a destruction observer watching |web_contents|. 556 // No-op if such an observer already exists. 557 void AddDestructionObserver(WebContentsImpl* web_contents); 558 559 // Deletes and removes from the map a destruction observer 560 // watching |web_contents|. No-op if there is no such observer. 561 void RemoveDestructionObserver(WebContentsImpl* web_contents); 562 563 // Callback function when showing JS dialogs. 564 void OnDialogClosed(RenderViewHost* rvh, 565 IPC::Message* reply_msg, 566 bool success, 567 const string16& user_input); 568 569 // Callback function when requesting permission to access the PPAPI broker. 570 // |result| is true if permission was granted. 571 void OnPpapiBrokerPermissionResult(int routing_id, bool result); 572 573 // IPC message handlers. 574 void OnDidLoadResourceFromMemoryCache(const GURL& url, 575 const std::string& security_info, 576 const std::string& http_request, 577 const std::string& mime_type, 578 ResourceType::Type resource_type); 579 void OnDidDisplayInsecureContent(); 580 void OnDidRunInsecureContent(const std::string& security_origin, 581 const GURL& target_url); 582 void OnDocumentLoadedInFrame(int64 frame_id); 583 void OnDidFinishLoad(int64 frame_id, 584 const GURL& url, 585 bool is_main_frame); 586 void OnDidFailLoadWithError(int64 frame_id, 587 const GURL& url, 588 bool is_main_frame, 589 int error_code, 590 const string16& error_description); 591 void OnGoToEntryAtOffset(int offset); 592 void OnUpdateZoomLimits(int minimum_percent, 593 int maximum_percent, 594 bool remember); 595 void OnEnumerateDirectory(int request_id, const base::FilePath& path); 596 void OnJSOutOfMemory(); 597 598 void OnRegisterProtocolHandler(const std::string& protocol, 599 const GURL& url, 600 const string16& title, 601 bool user_gesture); 602 void OnFindReply(int request_id, 603 int number_of_matches, 604 const gfx::Rect& selection_rect, 605 int active_match_ordinal, 606 bool final_update); 607 void OnDidProgrammaticallyScroll(const gfx::Vector2d& scroll_point); 608#if defined(OS_ANDROID) 609 void OnFindMatchRectsReply(int version, 610 const std::vector<gfx::RectF>& rects, 611 const gfx::RectF& active_rect); 612 613 void OnOpenDateTimeDialog( 614 const ViewHostMsg_DateTimeDialogValue_Params& value); 615#endif 616 void OnCrashedPlugin(const base::FilePath& plugin_path, 617 base::ProcessId plugin_pid); 618 void OnAppCacheAccessed(const GURL& manifest_url, bool blocked_by_policy); 619 void OnOpenColorChooser(int color_chooser_id, SkColor color); 620 void OnEndColorChooser(int color_chooser_id); 621 void OnSetSelectedColorInColorChooser(int color_chooser_id, SkColor color); 622 void OnPepperPluginHung(int plugin_child_id, 623 const base::FilePath& path, 624 bool is_hung); 625 void OnWebUISend(const GURL& source_url, 626 const std::string& name, 627 const base::ListValue& args); 628 void OnRequestPpapiBrokerPermission(int routing_id, 629 const GURL& url, 630 const base::FilePath& plugin_path); 631 void OnBrowserPluginMessage(const IPC::Message& message); 632 void OnDidDownloadImage(int id, 633 int http_status_code, 634 const GURL& image_url, 635 const std::vector<SkBitmap>& bitmaps, 636 const std::vector<gfx::Size>& original_bitmap_sizes); 637 void OnUpdateFaviconURL(int32 page_id, 638 const std::vector<FaviconURL>& candidates); 639 void OnFrameAttached(int64 parent_frame_id, 640 int64 frame_id, 641 const std::string& frame_name); 642 void OnFrameDetached(int64 parent_frame_id, int64 frame_id); 643 644 void OnMediaNotification(int64 player_cookie, 645 bool has_video, 646 bool has_audio, 647 bool is_playing); 648 649 // Changes the IsLoading state and notifies delegate as needed 650 // |details| is used to provide details on the load that just finished 651 // (but can be null if not applicable). Can be overridden. 652 void SetIsLoading(bool is_loading, 653 LoadNotificationDetails* details); 654 655 // Called by derived classes to indicate that we're no longer waiting for a 656 // response. This won't actually update the throbber, but it will get picked 657 // up at the next animation step if the throbber is going. 658 void SetNotWaitingForResponse() { waiting_for_response_ = false; } 659 660 // Navigation helpers -------------------------------------------------------- 661 // 662 // These functions are helpers for Navigate() and DidNavigate(). 663 664 // Handles post-navigation tasks in DidNavigate AFTER the entry has been 665 // committed to the navigation controller. Note that the navigation entry is 666 // not provided since it may be invalid/changed after being committed. The 667 // current navigation entry is in the NavigationController at this point. 668 void DidNavigateMainFramePostCommit( 669 const LoadCommittedDetails& details, 670 const ViewHostMsg_FrameNavigate_Params& params); 671 void DidNavigateAnyFramePostCommit( 672 RenderViewHost* render_view_host, 673 const LoadCommittedDetails& details, 674 const ViewHostMsg_FrameNavigate_Params& params); 675 676 // Specifies whether the passed in URL should be assigned as the site of the 677 // current SiteInstance, if it does not yet have a site. 678 bool ShouldAssignSiteForURL(const GURL& url); 679 680 // If our controller was restored, update the max page ID associated with the 681 // given RenderViewHost to be larger than the number of restored entries. 682 // This is called in CreateRenderView before any navigations in the RenderView 683 // have begun, to prevent any races in updating RenderView::next_page_id. 684 void UpdateMaxPageIDIfNecessary(RenderViewHost* rvh); 685 686 // Saves the given title to the navigation entry and does associated work. It 687 // will update history and the view for the new title, and also synthesize 688 // titles for file URLs that have none (so we require that the URL of the 689 // entry already be set). 690 // 691 // This is used as the backend for state updates, which include a new title, 692 // or the dedicated set title message. It returns true if the new title is 693 // different and was therefore updated. 694 bool UpdateTitleForEntry(NavigationEntryImpl* entry, 695 const string16& title); 696 697 // Causes the WebContentsImpl to navigate in the right renderer to |entry|, 698 // which must be already part of the entries in the navigation controller. 699 // This does not change the NavigationController state. 700 bool NavigateToEntry(const NavigationEntryImpl& entry, 701 NavigationController::ReloadType reload_type); 702 703 // Sets the history for this WebContentsImpl to |history_length| entries, and 704 // moves the current page_id to the last entry in the list if it's valid. 705 // This is mainly used when a prerendered page is swapped into the current 706 // tab. The method is virtual for testing. 707 virtual void SetHistoryLengthAndPrune( 708 const SiteInstance* site_instance, 709 int merge_history_length, 710 int32 minimum_page_id); 711 712 // Recursively creates swapped out RenderViews for this tab's opener chain 713 // (including this tab) in the given SiteInstance, allowing other tabs to send 714 // cross-process JavaScript calls to their opener(s). Returns the route ID of 715 // this tab's RenderView for |instance|. 716 int CreateOpenerRenderViews(SiteInstance* instance); 717 718 // Helper for CreateNewWidget/CreateNewFullscreenWidget. 719 void CreateNewWidget(int route_id, 720 bool is_fullscreen, 721 WebKit::WebPopupType popup_type); 722 723 // Helper for ShowCreatedWidget/ShowCreatedFullscreenWidget. 724 void ShowCreatedWidget(int route_id, 725 bool is_fullscreen, 726 const gfx::Rect& initial_pos); 727 728 // Finds the new RenderWidgetHost and returns it. Note that this can only be 729 // called once as this call also removes it from the internal map. 730 RenderWidgetHostView* GetCreatedWidget(int route_id); 731 732 // Finds the new WebContentsImpl by route_id, initializes it for 733 // renderer-initiated creation, and returns it. Note that this can only be 734 // called once as this call also removes it from the internal map. 735 WebContentsImpl* GetCreatedWindow(int route_id); 736 737 // Returns the RenderWidgetHostView that is associated with a native window 738 // and can be used in showing created widgets. 739 // If this WebContents belongs to a browser plugin guest, there is no native 740 // window 'view' associated with this WebContents. This method returns the 741 // 'view' of the embedder instead. 742 RenderWidgetHostViewPort* GetRenderWidgetHostViewPort() const; 743 744 // Misc non-view stuff ------------------------------------------------------- 745 746 // Helper functions for sending notifications. 747 void NotifySwapped(RenderViewHost* old_render_view_host); 748 void NotifyDisconnected(); 749 void NotifyNavigationEntryCommitted(const LoadCommittedDetails& load_details); 750 751 void SetEncoding(const std::string& encoding); 752 753 RenderViewHostImpl* GetRenderViewHostImpl(); 754 755 FrameTreeNode* FindFrameTreeNodeByID(int64 frame_id); 756 757 // Removes browser plugin embedder if there is one. 758 void RemoveBrowserPluginEmbedder(); 759 760 // Clear |render_view_host|'s PowerSaveBlockers. 761 void ClearPowerSaveBlockers(RenderViewHost* render_view_host); 762 763 // Clear all PowerSaveBlockers, leave power_save_blocker_ empty. 764 void ClearAllPowerSaveBlockers(); 765 766 // Helper function to invoke WebContentsDelegate::GetSizeForNewRenderView(). 767 gfx::Size GetSizeForNewRenderView() const; 768 769 // Data for core operation --------------------------------------------------- 770 771 // Delegate for notifying our owner about stuff. Not owned by us. 772 WebContentsDelegate* delegate_; 773 774 // Handles the back/forward list and loading. 775 NavigationControllerImpl controller_; 776 777 // The corresponding view. 778 scoped_ptr<WebContentsViewPort> view_; 779 780 // The view of the RVHD. Usually this is our WebContentsView implementation, 781 // but if an embedder uses a different WebContentsView, they'll need to 782 // provide this. 783 RenderViewHostDelegateView* render_view_host_delegate_view_; 784 785 // Tracks created WebContentsImpl objects that have not been shown yet. They 786 // are identified by the route ID passed to CreateNewWindow. 787 typedef std::map<int, WebContentsImpl*> PendingContents; 788 PendingContents pending_contents_; 789 790 // These maps hold on to the widgets that we created on behalf of the renderer 791 // that haven't shown yet. 792 typedef std::map<int, RenderWidgetHostView*> PendingWidgetViews; 793 PendingWidgetViews pending_widget_views_; 794 795 typedef std::map<WebContentsImpl*, DestructionObserver*> DestructionObservers; 796 DestructionObservers destruction_observers_; 797 798 // A list of observers notified when page state changes. Weak references. 799 // This MUST be listed above render_manager_ since at destruction time the 800 // latter might cause RenderViewHost's destructor to call us and we might use 801 // the observer list then. 802 ObserverList<WebContentsObserver> observers_; 803 804 // The tab that opened this tab, if any. Will be set to null if the opener 805 // is closed. 806 WebContentsImpl* opener_; 807 808#if defined(OS_WIN) && defined(USE_AURA) 809 gfx::NativeViewAccessible accessible_parent_; 810#endif 811 812 // Helper classes ------------------------------------------------------------ 813 814 // Maps the RenderViewHost to its media_player_cookie and PowerSaveBlocker 815 // pairs. Key is the RenderViewHost, value is the map which maps player_cookie 816 // on to PowerSaveBlocker. 817 typedef std::map<RenderViewHost*, std::map<int64, PowerSaveBlocker*> > 818 PowerSaveBlockerMap; 819 PowerSaveBlockerMap power_save_blockers_; 820 821 // Manages creation and swapping of render views. 822 RenderViewHostManager render_manager_; 823 824#if defined(OS_ANDROID) 825 // Manages injecting Java objects into all RenderViewHosts associated with 826 // this WebContentsImpl. 827 scoped_ptr<JavaBridgeDispatcherHostManager> 828 java_bridge_dispatcher_host_manager_; 829#endif 830 831 // SavePackage, lazily created. 832 scoped_refptr<SavePackage> save_package_; 833 834 // Data for loading state ---------------------------------------------------- 835 836 // Indicates whether we're currently loading a resource. 837 bool is_loading_; 838 839 // Indicates if the tab is considered crashed. 840 base::TerminationStatus crashed_status_; 841 int crashed_error_code_; 842 843 // Whether this WebContents is waiting for a first-response for the 844 // main resource of the page. This controls whether the throbber state is 845 // "waiting" or "loading." 846 bool waiting_for_response_; 847 848 // Map of SiteInstance ID to max page ID for this tab. A page ID is specific 849 // to a given tab and SiteInstance, and must be valid for the lifetime of the 850 // WebContentsImpl. 851 std::map<int32, int32> max_page_ids_; 852 853 // System time at which the current load was started. 854 base::TimeTicks current_load_start_; 855 856 // The current load state and the URL associated with it. 857 net::LoadStateWithParam load_state_; 858 string16 load_state_host_; 859 // Upload progress, for displaying in the status bar. 860 // Set to zero when there is no significant upload happening. 861 uint64 upload_size_; 862 uint64 upload_position_; 863 864 // Data for current page ----------------------------------------------------- 865 866 // When a title cannot be taken from any entry, this title will be used. 867 string16 page_title_when_no_navigation_entry_; 868 869 // When a navigation occurs, we record its contents MIME type. It can be 870 // used to check whether we can do something for some special contents. 871 std::string contents_mime_type_; 872 873 // Character encoding. 874 std::string encoding_; 875 876 // True if this is a secure page which displayed insecure content. 877 bool displayed_insecure_content_; 878 879 // The frame tree structure of the current page. 880 scoped_ptr<FrameTreeNode> frame_tree_root_; 881 882 // Data for misc internal state ---------------------------------------------- 883 884 // When > 0, the WebContents is currently being captured (e.g., for 885 // screenshots or mirroring); and the underlying RenderWidgetHost should not 886 // be told it is hidden. 887 int capturer_count_; 888 889 // Tracks whether RWHV should be visible once capturer_count_ becomes zero. 890 bool should_normally_be_visible_; 891 892 // See getter above. 893 bool is_being_destroyed_; 894 895 // Indicates whether we should notify about disconnection of this 896 // WebContentsImpl. This is used to ensure disconnection notifications only 897 // happen if a connection notification has happened and that they happen only 898 // once. 899 bool notify_disconnection_; 900 901 // Pointer to the JavaScript dialog manager, lazily assigned. Used because the 902 // delegate of this WebContentsImpl is nulled before its destructor is called. 903 JavaScriptDialogManager* dialog_manager_; 904 905 // Set to true when there is an active "before unload" dialog. When true, 906 // we've forced the throbber to start in Navigate, and we need to remember to 907 // turn it off in OnJavaScriptMessageBoxClosed if the navigation is canceled. 908 bool is_showing_before_unload_dialog_; 909 910 // Settings that get passed to the renderer process. 911 RendererPreferences renderer_preferences_; 912 913 // The time that this tab was last selected. 914 base::TimeTicks last_selected_time_; 915 916 // See description above setter. 917 bool closed_by_user_gesture_; 918 919 // Minimum/maximum zoom percent. 920 int minimum_zoom_percent_; 921 int maximum_zoom_percent_; 922 // If true, the default zoom limits have been overriden for this tab, in which 923 // case we don't want saved settings to apply to it and we don't want to 924 // remember it. 925 bool temporary_zoom_settings_; 926 927 // The intrinsic size of the page. 928 gfx::Size preferred_size_; 929 930#if defined(OS_ANDROID) 931 // Date time chooser opened by this tab. 932 // Only used in Android since all other platforms use a multi field UI. 933 scoped_ptr<DateTimeChooserAndroid> date_time_chooser_; 934#endif 935 936 // Color chooser that was opened by this tab. 937 scoped_ptr<ColorChooser> color_chooser_; 938 939 // A unique identifier for the current color chooser. Identifiers are unique 940 // across a renderer process. This avoids race conditions in synchronizing 941 // the browser and renderer processes. For example, if a renderer closes one 942 // chooser and opens another, and simultaneously the user picks a color in the 943 // first chooser, the IDs can be used to drop the "chose a color" message 944 // rather than erroneously tell the renderer that the user picked a color in 945 // the second chooser. 946 int color_chooser_identifier_; 947 948 // Manages the embedder state for browser plugins, if this WebContents is an 949 // embedder; NULL otherwise. 950 scoped_ptr<BrowserPluginEmbedder> browser_plugin_embedder_; 951 // Manages the guest state for browser plugin, if this WebContents is a guest; 952 // NULL otherwise. 953 scoped_ptr<BrowserPluginGuest> browser_plugin_guest_; 954 955 // This must be at the end, or else we might get notifications and use other 956 // member variables that are gone. 957 NotificationRegistrar registrar_; 958 959 // Used during IPC message dispatching so that the handlers can get a pointer 960 // to the RVH through which the message was received. 961 RenderViewHost* message_source_; 962 963 // All live RenderWidgetHostImpls that are created by this object and may 964 // outlive it. 965 std::set<RenderWidgetHostImpl*> created_widgets_; 966 967 // Routing id of the shown fullscreen widget or MSG_ROUTING_NONE otherwise. 968 int fullscreen_widget_routing_id_; 969 970 // Maps the ids of pending image downloads to their callbacks 971 typedef std::map<int, ImageDownloadCallback> ImageDownloadMap; 972 ImageDownloadMap image_download_map_; 973 974 DISALLOW_COPY_AND_ASSIGN(WebContentsImpl); 975}; 976 977} // namespace content 978 979#endif // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_ 980