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| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_ | 5 #ifndef CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_ |
| 6 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_ | 6 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_ |
| 7 #pragma once | 7 #pragma once |
| 8 | 8 |
| 9 #include <deque> | 9 // TODO(jam): remove this file when all files have been converted. |
| 10 #include <map> | 10 #include "content/browser/tab_contents/tab_contents.h" |
| 11 #include <string> | |
| 12 #include <vector> | |
| 13 | |
| 14 #include "base/basictypes.h" | |
| 15 #include "base/gtest_prod_util.h" | |
| 16 #include "base/scoped_ptr.h" | |
| 17 #include "base/string16.h" | |
| 18 #include "chrome/browser/dom_ui/web_ui_factory.h" | |
| 19 #include "chrome/browser/download/save_package.h" | |
| 20 #include "chrome/browser/extensions/image_loading_tracker.h" | |
| 21 #include "chrome/browser/fav_icon_helper.h" | |
| 22 #include "chrome/browser/prefs/pref_change_registrar.h" | |
| 23 #include "chrome/browser/renderer_host/render_view_host_delegate.h" | |
| 24 #include "chrome/browser/tab_contents/constrained_window.h" | |
| 25 #include "chrome/browser/tab_contents/language_state.h" | |
| 26 #include "chrome/browser/tab_contents/navigation_controller.h" | |
| 27 #include "chrome/browser/tab_contents/navigation_entry.h" | |
| 28 #include "chrome/browser/tab_contents/page_navigator.h" | |
| 29 #include "chrome/browser/tab_contents/render_view_host_manager.h" | |
| 30 #include "chrome/browser/tab_contents/tab_specific_content_settings.h" | |
| 31 #include "chrome/browser/ui/app_modal_dialogs/js_modal_dialog.h" | |
| 32 #include "chrome/common/notification_registrar.h" | |
| 33 #include "chrome/common/property_bag.h" | |
| 34 #include "chrome/common/renderer_preferences.h" | |
| 35 #include "chrome/common/translate_errors.h" | |
| 36 #include "chrome/common/web_apps.h" | |
| 37 #include "net/base/load_states.h" | |
| 38 #include "ui/gfx/native_widget_types.h" | |
| 39 | |
| 40 #if defined(OS_WIN) | |
| 41 #include "base/win/scoped_handle.h" | |
| 42 #endif | |
| 43 | |
| 44 namespace gfx { | |
| 45 class Rect; | |
| 46 } | |
| 47 | |
| 48 namespace history { | |
| 49 class HistoryAddPageArgs; | |
| 50 } | |
| 51 | |
| 52 namespace prerender { | |
| 53 class PrerenderManager; | |
| 54 class PrerenderPLTRecorder; | |
| 55 } | |
| 56 | |
| 57 namespace printing { | |
| 58 class PrintPreviewMessageHandler; | |
| 59 class PrintViewManager; | |
| 60 } | |
| 61 | |
| 62 namespace safe_browsing { | |
| 63 class ClientSideDetectionHost; | |
| 64 } | |
| 65 | |
| 66 class AutocompleteHistoryManager; | |
| 67 class AutoFillManager; | |
| 68 class BlockedContentContainer; | |
| 69 class WebUI; | |
| 70 class DesktopNotificationHandlerForTC; | |
| 71 class DownloadItem; | |
| 72 class Extension; | |
| 73 class FileSelectHelper; | |
| 74 class InfoBarDelegate; | |
| 75 class LoadNotificationDetails; | |
| 76 class OmniboxSearchHint; | |
| 77 class PluginObserver; | |
| 78 class Profile; | |
| 79 class RenderViewHost; | |
| 80 class SessionStorageNamespace; | |
| 81 class SiteInstance; | |
| 82 class SkBitmap; | |
| 83 class TabContents; | |
| 84 class TabContentsDelegate; | |
| 85 class TabContentsObserver; | |
| 86 class TabContentsSSLHelper; | |
| 87 class TabContentsView; | |
| 88 class URLPattern; | |
| 89 struct RendererPreferences; | |
| 90 struct ThumbnailScore; | |
| 91 struct ViewHostMsg_DomMessage_Params; | |
| 92 struct ViewHostMsg_FrameNavigate_Params; | |
| 93 struct ViewHostMsg_RunFileChooser_Params; | |
| 94 struct WebPreferences; | |
| 95 | |
| 96 // Describes what goes in the main content area of a tab. TabContents is | |
| 97 // the only type of TabContents, and these should be merged together. | |
| 98 class TabContents : public PageNavigator, | |
| 99 public NotificationObserver, | |
| 100 public RenderViewHostDelegate, | |
| 101 public RenderViewHostManager::Delegate, | |
| 102 public JavaScriptAppModalDialogDelegate, | |
| 103 public ImageLoadingTracker::Observer, | |
| 104 public TabSpecificContentSettings::Delegate { | |
| 105 public: | |
| 106 // Flags passed to the TabContentsDelegate.NavigationStateChanged to tell it | |
| 107 // what has changed. Combine them to update more than one thing. | |
| 108 enum InvalidateTypes { | |
| 109 INVALIDATE_URL = 1 << 0, // The URL has changed. | |
| 110 INVALIDATE_TAB = 1 << 1, // The favicon, app icon, or crashed | |
| 111 // state changed. | |
| 112 INVALIDATE_LOAD = 1 << 2, // The loading state has changed. | |
| 113 INVALIDATE_PAGE_ACTIONS = 1 << 3, // Page action icons have changed. | |
| 114 INVALIDATE_BOOKMARK_BAR = 1 << 4, // State of ShouldShowBookmarkBar | |
| 115 // changed. | |
| 116 INVALIDATE_TITLE = 1 << 5, // The title changed. | |
| 117 }; | |
| 118 | |
| 119 // |base_tab_contents| is used if we want to size the new tab contents view | |
| 120 // based on an existing tab contents view. This can be NULL if not needed. | |
| 121 // | |
| 122 // The session storage namespace parameter allows multiple render views and | |
| 123 // tab contentses to share the same session storage (part of the WebStorage | |
| 124 // spec) space. This is useful when restoring tabs, but most callers should | |
| 125 // pass in NULL which will cause a new SessionStorageNamespace to be created. | |
| 126 TabContents(Profile* profile, | |
| 127 SiteInstance* site_instance, | |
| 128 int routing_id, | |
| 129 const TabContents* base_tab_contents, | |
| 130 SessionStorageNamespace* session_storage_namespace); | |
| 131 virtual ~TabContents(); | |
| 132 | |
| 133 static void RegisterUserPrefs(PrefService* prefs); | |
| 134 | |
| 135 // Intrinsic tab state ------------------------------------------------------- | |
| 136 | |
| 137 // Returns the property bag for this tab contents, where callers can add | |
| 138 // extra data they may wish to associate with the tab. Returns a pointer | |
| 139 // rather than a reference since the PropertyAccessors expect this. | |
| 140 const PropertyBag* property_bag() const { return &property_bag_; } | |
| 141 PropertyBag* property_bag() { return &property_bag_; } | |
| 142 | |
| 143 TabContentsDelegate* delegate() const { return delegate_; } | |
| 144 void set_delegate(TabContentsDelegate* d) { delegate_ = d; } | |
| 145 | |
| 146 // Gets the controller for this tab contents. | |
| 147 NavigationController& controller() { return controller_; } | |
| 148 const NavigationController& controller() const { return controller_; } | |
| 149 | |
| 150 // Returns the user profile associated with this TabContents (via the | |
| 151 // NavigationController). | |
| 152 Profile* profile() const { return controller_.profile(); } | |
| 153 | |
| 154 // Returns true if contains content rendered by an extension. | |
| 155 bool HostsExtension() const; | |
| 156 | |
| 157 // Returns the TabContentsSSLHelper, creating it if necessary. | |
| 158 TabContentsSSLHelper* GetSSLHelper(); | |
| 159 | |
| 160 // Returns the SavePackage which manages the page saving job. May be NULL. | |
| 161 SavePackage* save_package() const { return save_package_.get(); } | |
| 162 | |
| 163 // Return the currently active RenderProcessHost and RenderViewHost. Each of | |
| 164 // these may change over time. | |
| 165 RenderProcessHost* GetRenderProcessHost() const; | |
| 166 RenderViewHost* render_view_host() const { | |
| 167 return render_manager_.current_host(); | |
| 168 } | |
| 169 | |
| 170 WebUI* web_ui() const { | |
| 171 return render_manager_.web_ui() ? render_manager_.web_ui() | |
| 172 : render_manager_.pending_web_ui(); | |
| 173 } | |
| 174 | |
| 175 // Returns the currently active RenderWidgetHostView. This may change over | |
| 176 // time and can be NULL (during setup and teardown). | |
| 177 RenderWidgetHostView* GetRenderWidgetHostView() const { | |
| 178 return render_manager_.GetRenderWidgetHostView(); | |
| 179 } | |
| 180 | |
| 181 // The TabContentsView will never change and is guaranteed non-NULL. | |
| 182 TabContentsView* view() const { | |
| 183 return view_.get(); | |
| 184 } | |
| 185 | |
| 186 // Returns the FavIconHelper of this TabContents. | |
| 187 FavIconHelper& fav_icon_helper() { | |
| 188 return *fav_icon_helper_.get(); | |
| 189 } | |
| 190 | |
| 191 // App extensions ------------------------------------------------------------ | |
| 192 | |
| 193 // Sets the extension denoting this as an app. If |extension| is non-null this | |
| 194 // tab becomes an app-tab. TabContents does not listen for unload events for | |
| 195 // the extension. It's up to consumers of TabContents to do that. | |
| 196 // | |
| 197 // NOTE: this should only be manipulated before the tab is added to a browser. | |
| 198 // TODO(sky): resolve if this is the right way to identify an app tab. If it | |
| 199 // is, than this should be passed in the constructor. | |
| 200 void SetExtensionApp(const Extension* extension); | |
| 201 | |
| 202 // Convenience for setting the app extension by id. This does nothing if | |
| 203 // |extension_app_id| is empty, or an extension can't be found given the | |
| 204 // specified id. | |
| 205 void SetExtensionAppById(const std::string& extension_app_id); | |
| 206 | |
| 207 const Extension* extension_app() const { return extension_app_; } | |
| 208 bool is_app() const { return extension_app_ != NULL; } | |
| 209 | |
| 210 // If an app extension has been explicitly set for this TabContents its icon | |
| 211 // is returned. | |
| 212 // | |
| 213 // NOTE: the returned icon is larger than 16x16 (its size is | |
| 214 // Extension::EXTENSION_ICON_SMALLISH). | |
| 215 SkBitmap* GetExtensionAppIcon(); | |
| 216 | |
| 217 // Tab navigation state ------------------------------------------------------ | |
| 218 | |
| 219 // Returns the current navigation properties, which if a navigation is | |
| 220 // pending may be provisional (e.g., the navigation could result in a | |
| 221 // download, in which case the URL would revert to what it was previously). | |
| 222 virtual const GURL& GetURL() const; | |
| 223 virtual const string16& GetTitle() const; | |
| 224 | |
| 225 // Initial title assigned to NavigationEntries from Navigate. | |
| 226 static string16 GetDefaultTitle(); | |
| 227 | |
| 228 // The max PageID of any page that this TabContents has loaded. PageIDs | |
| 229 // increase with each new page that is loaded by a tab. If this is a | |
| 230 // TabContents, then the max PageID is kept separately on each SiteInstance. | |
| 231 // Returns -1 if no PageIDs have yet been seen. | |
| 232 int32 GetMaxPageID(); | |
| 233 | |
| 234 // Updates the max PageID to be at least the given PageID. | |
| 235 void UpdateMaxPageID(int32 page_id); | |
| 236 | |
| 237 // Returns the site instance associated with the current page. By default, | |
| 238 // there is no site instance. TabContents overrides this to provide proper | |
| 239 // access to its site instance. | |
| 240 virtual SiteInstance* GetSiteInstance() const; | |
| 241 | |
| 242 // Defines whether this tab's URL should be displayed in the browser's URL | |
| 243 // bar. Normally this is true so you can see the URL. This is set to false | |
| 244 // for the new tab page and related pages so that the URL bar is empty and | |
| 245 // the user is invited to type into it. | |
| 246 virtual bool ShouldDisplayURL(); | |
| 247 | |
| 248 // Returns the favicon for this tab, or an isNull() bitmap if the tab does not | |
| 249 // have a favicon. The default implementation uses the current navigation | |
| 250 // entry. | |
| 251 SkBitmap GetFavIcon() const; | |
| 252 | |
| 253 // Returns true if we are not using the default favicon. | |
| 254 bool FavIconIsValid() const; | |
| 255 | |
| 256 // Returns whether the favicon should be displayed. If this returns false, no | |
| 257 // space is provided for the favicon, and the favicon is never displayed. | |
| 258 virtual bool ShouldDisplayFavIcon(); | |
| 259 | |
| 260 // Returns a human-readable description the tab's loading state. | |
| 261 virtual string16 GetStatusText() const; | |
| 262 | |
| 263 // Add and remove observers for page navigation notifications. Adding or | |
| 264 // removing multiple times has no effect. The order in which notifications | |
| 265 // are sent to observers is undefined. Clients must be sure to remove the | |
| 266 // observer before they go away. | |
| 267 void AddObserver(TabContentsObserver* observer); | |
| 268 void RemoveObserver(TabContentsObserver* observer); | |
| 269 | |
| 270 // Return whether this tab contents is loading a resource. | |
| 271 bool is_loading() const { return is_loading_; } | |
| 272 | |
| 273 // Returns whether this tab contents is waiting for a first-response for the | |
| 274 // main resource of the page. This controls whether the throbber state is | |
| 275 // "waiting" or "loading." | |
| 276 bool waiting_for_response() const { return waiting_for_response_; } | |
| 277 | |
| 278 const std::string& encoding() const { return encoding_; } | |
| 279 void set_encoding(const std::string& encoding); | |
| 280 void reset_encoding() { | |
| 281 encoding_.clear(); | |
| 282 } | |
| 283 | |
| 284 const WebApplicationInfo& web_app_info() const { | |
| 285 return web_app_info_; | |
| 286 } | |
| 287 | |
| 288 const SkBitmap& app_icon() const { return app_icon_; } | |
| 289 | |
| 290 // Sets an app icon associated with TabContents and fires an INVALIDATE_TITLE | |
| 291 // navigation state change to trigger repaint of title. | |
| 292 void SetAppIcon(const SkBitmap& app_icon); | |
| 293 | |
| 294 bool displayed_insecure_content() const { | |
| 295 return displayed_insecure_content_; | |
| 296 } | |
| 297 | |
| 298 // Internal state ------------------------------------------------------------ | |
| 299 | |
| 300 // This flag indicates whether the tab contents is currently being | |
| 301 // screenshotted by the DraggedTabController. | |
| 302 bool capturing_contents() const { return capturing_contents_; } | |
| 303 void set_capturing_contents(bool cap) { capturing_contents_ = cap; } | |
| 304 | |
| 305 // Indicates whether this tab should be considered crashed. The setter will | |
| 306 // also notify the delegate when the flag is changed. | |
| 307 bool is_crashed() const { | |
| 308 return (crashed_status_ == base::TERMINATION_STATUS_PROCESS_CRASHED || | |
| 309 crashed_status_ == base::TERMINATION_STATUS_ABNORMAL_TERMINATION || | |
| 310 crashed_status_ == base::TERMINATION_STATUS_PROCESS_WAS_KILLED); | |
| 311 } | |
| 312 base::TerminationStatus crashed_status() const { return crashed_status_; } | |
| 313 int crashed_error_code() const { return crashed_error_code_; } | |
| 314 void SetIsCrashed(base::TerminationStatus status, int error_code); | |
| 315 | |
| 316 // Call this after updating a page action to notify clients about the changes. | |
| 317 void PageActionStateChanged(); | |
| 318 | |
| 319 // Whether the tab is in the process of being destroyed. | |
| 320 // Added as a tentative work-around for focus related bug #4633. This allows | |
| 321 // us not to store focus when a tab is being closed. | |
| 322 bool is_being_destroyed() const { return is_being_destroyed_; } | |
| 323 | |
| 324 // Convenience method for notifying the delegate of a navigation state | |
| 325 // change. See TabContentsDelegate. | |
| 326 void NotifyNavigationStateChanged(unsigned changed_flags); | |
| 327 | |
| 328 // Invoked when the tab contents becomes selected. If you override, be sure | |
| 329 // and invoke super's implementation. | |
| 330 virtual void DidBecomeSelected(); | |
| 331 base::TimeTicks last_selected_time() const { | |
| 332 return last_selected_time_; | |
| 333 } | |
| 334 | |
| 335 // Invoked when the tab contents becomes hidden. | |
| 336 // NOTE: If you override this, call the superclass version too! | |
| 337 virtual void WasHidden(); | |
| 338 | |
| 339 // Activates this contents within its containing window, bringing that window | |
| 340 // to the foreground if necessary. | |
| 341 void Activate(); | |
| 342 | |
| 343 // Deactivates this contents by deactivating its containing window. | |
| 344 void Deactivate(); | |
| 345 | |
| 346 // TODO(brettw) document these. | |
| 347 virtual void ShowContents(); | |
| 348 virtual void HideContents(); | |
| 349 | |
| 350 // Returns true if the before unload and unload listeners need to be | |
| 351 // fired. The value of this changes over time. For example, if true and the | |
| 352 // before unload listener is executed and allows the user to exit, then this | |
| 353 // returns false. | |
| 354 bool NeedToFireBeforeUnload(); | |
| 355 | |
| 356 #ifdef UNIT_TEST | |
| 357 // Expose the render manager for testing. | |
| 358 RenderViewHostManager* render_manager() { return &render_manager_; } | |
| 359 #endif | |
| 360 | |
| 361 // In the underlying RenderViewHostManager, swaps in the provided | |
| 362 // RenderViewHost to replace the current RenderViewHost. The current RVH | |
| 363 // will be shutdown and ultimately deleted. | |
| 364 void SwapInRenderViewHost(RenderViewHost* rvh); | |
| 365 | |
| 366 // Commands ------------------------------------------------------------------ | |
| 367 | |
| 368 // Implementation of PageNavigator. | |
| 369 virtual void OpenURL(const GURL& url, const GURL& referrer, | |
| 370 WindowOpenDisposition disposition, | |
| 371 PageTransition::Type transition); | |
| 372 | |
| 373 // Called by the NavigationController to cause the TabContents to navigate to | |
| 374 // the current pending entry. The NavigationController should be called back | |
| 375 // with CommitPendingEntry/RendererDidNavigate on success or | |
| 376 // DiscardPendingEntry. The callbacks can be inside of this function, or at | |
| 377 // some future time. | |
| 378 // | |
| 379 // The entry has a PageID of -1 if newly created (corresponding to navigation | |
| 380 // to a new URL). | |
| 381 // | |
| 382 // If this method returns false, then the navigation is discarded (equivalent | |
| 383 // to calling DiscardPendingEntry on the NavigationController). | |
| 384 virtual bool NavigateToPendingEntry( | |
| 385 NavigationController::ReloadType reload_type); | |
| 386 | |
| 387 // Stop any pending navigation. | |
| 388 virtual void Stop(); | |
| 389 | |
| 390 // Called on a TabContents when it isn't a popup, but a new window. | |
| 391 virtual void DisassociateFromPopupCount(); | |
| 392 | |
| 393 // Creates a new TabContents with the same state as this one. The returned | |
| 394 // heap-allocated pointer is owned by the caller. | |
| 395 virtual TabContents* Clone(); | |
| 396 | |
| 397 // Shows the page info. | |
| 398 void ShowPageInfo(const GURL& url, | |
| 399 const NavigationEntry::SSLStatus& ssl, | |
| 400 bool show_history); | |
| 401 | |
| 402 // Saves the favicon for the current page. | |
| 403 void SaveFavicon(); | |
| 404 | |
| 405 // Window management --------------------------------------------------------- | |
| 406 | |
| 407 // Create a new window constrained to this TabContents' clip and visibility. | |
| 408 // The window is initialized by using the supplied delegate to obtain basic | |
| 409 // window characteristics, and the supplied view for the content. Note that | |
| 410 // the returned ConstrainedWindow might not yet be visible. | |
| 411 ConstrainedWindow* CreateConstrainedDialog( | |
| 412 ConstrainedWindowDelegate* delegate); | |
| 413 | |
| 414 // Adds a new tab or window with the given already-created contents | |
| 415 void AddNewContents(TabContents* new_contents, | |
| 416 WindowOpenDisposition disposition, | |
| 417 const gfx::Rect& initial_pos, | |
| 418 bool user_gesture); | |
| 419 | |
| 420 // Execute code in this tab. Returns true if the message was successfully | |
| 421 // sent. | |
| 422 bool ExecuteCode(int request_id, const std::string& extension_id, | |
| 423 bool is_js_code, const std::string& code_string, | |
| 424 bool all_frames); | |
| 425 | |
| 426 // Called when the blocked popup notification is shown or hidden. | |
| 427 virtual void PopupNotificationVisibilityChanged(bool visible); | |
| 428 | |
| 429 // Returns the number of constrained windows in this tab. Used by tests. | |
| 430 size_t constrained_window_count() { return child_windows_.size(); } | |
| 431 | |
| 432 typedef std::deque<ConstrainedWindow*> ConstrainedWindowList; | |
| 433 | |
| 434 // Return an iterator for the first constrained window in this tab contents. | |
| 435 ConstrainedWindowList::iterator constrained_window_begin() | |
| 436 { return child_windows_.begin(); } | |
| 437 | |
| 438 // Return an iterator for the last constrained window in this tab contents. | |
| 439 ConstrainedWindowList::iterator constrained_window_end() | |
| 440 { return child_windows_.end(); } | |
| 441 | |
| 442 // Views and focus ----------------------------------------------------------- | |
| 443 // TODO(brettw): Most of these should be removed and the caller should call | |
| 444 // the view directly. | |
| 445 | |
| 446 // Returns the actual window that is focused when this TabContents is shown. | |
| 447 gfx::NativeView GetContentNativeView() const; | |
| 448 | |
| 449 // Returns the NativeView associated with this TabContents. Outside of | |
| 450 // automation in the context of the UI, this is required to be implemented. | |
| 451 gfx::NativeView GetNativeView() const; | |
| 452 | |
| 453 // Returns the bounds of this TabContents in the screen coordinate system. | |
| 454 void GetContainerBounds(gfx::Rect *out) const; | |
| 455 | |
| 456 // Makes the tab the focused window. | |
| 457 void Focus(); | |
| 458 | |
| 459 // Focuses the first (last if |reverse| is true) element in the page. | |
| 460 // Invoked when this tab is getting the focus through tab traversal (|reverse| | |
| 461 // is true when using Shift-Tab). | |
| 462 void FocusThroughTabTraversal(bool reverse); | |
| 463 | |
| 464 // These next two functions are declared on RenderViewHostManager::Delegate | |
| 465 // but also accessed directly by other callers. | |
| 466 | |
| 467 // Returns true if the location bar should be focused by default rather than | |
| 468 // the page contents. The view calls this function when the tab is focused | |
| 469 // to see what it should do. | |
| 470 virtual bool FocusLocationBarByDefault(); | |
| 471 | |
| 472 // Focuses the location bar. | |
| 473 virtual void SetFocusToLocationBar(bool select_all); | |
| 474 | |
| 475 // Creates a view and sets the size for the specified RVH. | |
| 476 virtual void CreateViewAndSetSizeForRVH(RenderViewHost* rvh); | |
| 477 | |
| 478 // Infobars ------------------------------------------------------------------ | |
| 479 | |
| 480 // Adds an InfoBar for the specified |delegate|. | |
| 481 virtual void AddInfoBar(InfoBarDelegate* delegate); | |
| 482 | |
| 483 // Removes the InfoBar for the specified |delegate|. | |
| 484 void RemoveInfoBar(InfoBarDelegate* delegate); | |
| 485 | |
| 486 // Replaces one infobar with another, without any animation in between. | |
| 487 void ReplaceInfoBar(InfoBarDelegate* old_delegate, | |
| 488 InfoBarDelegate* new_delegate); | |
| 489 | |
| 490 // Enumeration and access functions. | |
| 491 size_t infobar_count() const { return infobar_delegates_.size(); } | |
| 492 // WARNING: This does not sanity-check |index|! | |
| 493 InfoBarDelegate* GetInfoBarDelegateAt(size_t index) { | |
| 494 return infobar_delegates_[index]; | |
| 495 } | |
| 496 | |
| 497 // Toolbars and such --------------------------------------------------------- | |
| 498 | |
| 499 // Returns true if a Bookmark Bar should be shown for this tab. | |
| 500 virtual bool ShouldShowBookmarkBar(); | |
| 501 | |
| 502 // Notifies the delegate that a download is about to be started. | |
| 503 // This notification is fired before a local temporary file has been created. | |
| 504 bool CanDownload(int request_id); | |
| 505 | |
| 506 // Notifies the delegate that a download started. | |
| 507 void OnStartDownload(DownloadItem* download); | |
| 508 | |
| 509 // Notify our delegate that some of our content has animated. | |
| 510 void ToolbarSizeChanged(bool is_animating); | |
| 511 | |
| 512 // Called when a ConstrainedWindow we own is about to be closed. | |
| 513 void WillClose(ConstrainedWindow* window); | |
| 514 | |
| 515 // Called when a BlockedContentContainer we own is about to be closed. | |
| 516 void WillCloseBlockedContentContainer(BlockedContentContainer* container); | |
| 517 | |
| 518 // Called when a ConstrainedWindow we own is moved or resized. | |
| 519 void DidMoveOrResize(ConstrainedWindow* window); | |
| 520 | |
| 521 // Interstitials ------------------------------------------------------------- | |
| 522 | |
| 523 // Various other systems need to know about our interstitials. | |
| 524 bool showing_interstitial_page() const { | |
| 525 return render_manager_.interstitial_page() != NULL; | |
| 526 } | |
| 527 | |
| 528 // Sets the passed passed interstitial as the currently showing interstitial. | |
| 529 // |interstitial_page| should be non NULL (use the remove_interstitial_page | |
| 530 // method to unset the interstitial) and no interstitial page should be set | |
| 531 // when there is already a non NULL interstitial page set. | |
| 532 void set_interstitial_page(InterstitialPage* interstitial_page) { | |
| 533 render_manager_.set_interstitial_page(interstitial_page); | |
| 534 } | |
| 535 | |
| 536 // Unsets the currently showing interstitial. | |
| 537 void remove_interstitial_page() { | |
| 538 render_manager_.remove_interstitial_page(); | |
| 539 } | |
| 540 | |
| 541 // Returns the currently showing interstitial, NULL if no interstitial is | |
| 542 // showing. | |
| 543 InterstitialPage* interstitial_page() const { | |
| 544 return render_manager_.interstitial_page(); | |
| 545 } | |
| 546 | |
| 547 // Misc state & callbacks ---------------------------------------------------- | |
| 548 | |
| 549 // Set whether the contents should block javascript message boxes or not. | |
| 550 // Default is not to block any message boxes. | |
| 551 void set_suppress_javascript_messages(bool suppress_javascript_messages) { | |
| 552 suppress_javascript_messages_ = suppress_javascript_messages; | |
| 553 } | |
| 554 | |
| 555 // Prepare for saving the current web page to disk. | |
| 556 void OnSavePage(); | |
| 557 | |
| 558 // Save page with the main HTML file path, the directory for saving resources, | |
| 559 // and the save type: HTML only or complete web page. Returns true if the | |
| 560 // saving process has been initiated successfully. | |
| 561 bool SavePage(const FilePath& main_file, const FilePath& dir_path, | |
| 562 SavePackage::SavePackageType save_type); | |
| 563 | |
| 564 // Tells the user's email client to open a compose window containing the | |
| 565 // current page's URL. | |
| 566 void EmailPageLocation(); | |
| 567 | |
| 568 // Displays asynchronously a print preview (generated by the renderer) if not | |
| 569 // already displayed and ask the user for its preferred print settings with | |
| 570 // the "Print..." dialog box. (managed by the print worker thread). | |
| 571 // TODO(maruel): Creates a snapshot of the renderer to be used for the new | |
| 572 // tab for the printing facility. | |
| 573 void PrintPreview(); | |
| 574 | |
| 575 // Prints the current document immediately. Since the rendering is | |
| 576 // asynchronous, the actual printing will not be completed on the return of | |
| 577 // this function. Returns false if printing is impossible at the moment. | |
| 578 bool PrintNow(); | |
| 579 | |
| 580 // Notify the completion of a printing job. | |
| 581 void PrintingDone(int document_cookie, bool success); | |
| 582 | |
| 583 // Returns true if the active NavigationEntry's page_id equals page_id. | |
| 584 bool IsActiveEntry(int32 page_id); | |
| 585 | |
| 586 const std::string& contents_mime_type() const { | |
| 587 return contents_mime_type_; | |
| 588 } | |
| 589 | |
| 590 // Returns true if this TabContents will notify about disconnection. | |
| 591 bool notify_disconnection() const { return notify_disconnection_; } | |
| 592 | |
| 593 // Override the encoding and reload the page by sending down | |
| 594 // ViewMsg_SetPageEncoding to the renderer. |UpdateEncoding| is kinda | |
| 595 // the opposite of this, by which 'browser' is notified of | |
| 596 // the encoding of the current tab from 'renderer' (determined by | |
| 597 // auto-detect, http header, meta, bom detection, etc). | |
| 598 void SetOverrideEncoding(const std::string& encoding); | |
| 599 | |
| 600 // Remove any user-defined override encoding and reload by sending down | |
| 601 // ViewMsg_ResetPageEncodingToDefault to the renderer. | |
| 602 void ResetOverrideEncoding(); | |
| 603 | |
| 604 void WindowMoveOrResizeStarted(); | |
| 605 | |
| 606 // Sets whether all TabContents added by way of |AddNewContents| should be | |
| 607 // blocked. Transitioning from all blocked to not all blocked results in | |
| 608 // reevaluating any blocked TabContents, which may result in unblocking some | |
| 609 // of the blocked TabContents. | |
| 610 void SetAllContentsBlocked(bool value); | |
| 611 | |
| 612 BlockedContentContainer* blocked_content_container() const { | |
| 613 return blocked_contents_; | |
| 614 } | |
| 615 | |
| 616 RendererPreferences* GetMutableRendererPrefs() { | |
| 617 return &renderer_preferences_; | |
| 618 } | |
| 619 | |
| 620 void set_opener_web_ui_type(WebUITypeID opener_web_ui_type) { | |
| 621 opener_web_ui_type_ = opener_web_ui_type; | |
| 622 } | |
| 623 | |
| 624 // We want to time how long it takes to create a new tab page. This method | |
| 625 // gets called as parts of the new tab page have loaded. | |
| 626 void LogNewTabTime(const std::string& event_name); | |
| 627 | |
| 628 // Set the time when we started to create the new tab page. This time is | |
| 629 // from before we created this TabContents. | |
| 630 void set_new_tab_start_time(const base::TimeTicks& time) { | |
| 631 new_tab_start_time_ = time; | |
| 632 } | |
| 633 | |
| 634 // Notification that tab closing has started. This can be called multiple | |
| 635 // times, subsequent calls are ignored. | |
| 636 void OnCloseStarted(); | |
| 637 | |
| 638 LanguageState& language_state() { | |
| 639 return language_state_; | |
| 640 } | |
| 641 | |
| 642 // Returns true if underlying TabContentsView should accept drag-n-drop. | |
| 643 bool ShouldAcceptDragAndDrop() const; | |
| 644 | |
| 645 // A render view-originated drag has ended. Informs the render view host and | |
| 646 // tab contents delegate. | |
| 647 void SystemDragEnded(); | |
| 648 | |
| 649 // Indicates if this tab was explicitly closed by the user (control-w, close | |
| 650 // tab menu item...). This is false for actions that indirectly close the tab, | |
| 651 // such as closing the window. The setter is maintained by TabStripModel, and | |
| 652 // the getter only useful from within TAB_CLOSED notification | |
| 653 void set_closed_by_user_gesture(bool value) { | |
| 654 closed_by_user_gesture_ = value; | |
| 655 } | |
| 656 bool closed_by_user_gesture() const { return closed_by_user_gesture_; } | |
| 657 | |
| 658 // Overridden from JavaScriptAppModalDialogDelegate: | |
| 659 virtual void OnMessageBoxClosed(IPC::Message* reply_msg, | |
| 660 bool success, | |
| 661 const std::wstring& prompt); | |
| 662 virtual void SetSuppressMessageBoxes(bool suppress_message_boxes); | |
| 663 virtual gfx::NativeWindow GetMessageBoxRootWindow(); | |
| 664 virtual TabContents* AsTabContents(); | |
| 665 virtual ExtensionHost* AsExtensionHost(); | |
| 666 | |
| 667 // The BookmarkDragDelegate is used to forward bookmark drag and drop events | |
| 668 // to extensions. | |
| 669 virtual RenderViewHostDelegate::BookmarkDrag* GetBookmarkDragDelegate(); | |
| 670 | |
| 671 // It is up to callers to call SetBookmarkDragDelegate(NULL) when | |
| 672 // |bookmark_drag| is deleted since this class does not take ownership of | |
| 673 // |bookmark_drag|. | |
| 674 virtual void SetBookmarkDragDelegate( | |
| 675 RenderViewHostDelegate::BookmarkDrag* bookmark_drag); | |
| 676 | |
| 677 // The TabSpecificContentSettings object is used to query the blocked content | |
| 678 // state by various UI elements. | |
| 679 TabSpecificContentSettings* GetTabSpecificContentSettings() const; | |
| 680 | |
| 681 // Updates history with the specified navigation. This is called by | |
| 682 // OnMsgNavigate to update history state. | |
| 683 void UpdateHistoryForNavigation( | |
| 684 scoped_refptr<history::HistoryAddPageArgs> add_page_args); | |
| 685 | |
| 686 // Sends the page title to the history service. This is called when we receive | |
| 687 // the page title and we know we want to update history. | |
| 688 void UpdateHistoryPageTitle(const NavigationEntry& entry); | |
| 689 | |
| 690 // Gets the zoom level for this tab. | |
| 691 double GetZoomLevel() const; | |
| 692 | |
| 693 // Gets the zoom percent for this tab. | |
| 694 int GetZoomPercent(bool* enable_increment, bool* enable_decrement); | |
| 695 | |
| 696 // Shows a fade effect over this tab contents. Repeated calls will be ignored | |
| 697 // until the fade is canceled. If |animate| is true the fade should animate. | |
| 698 void FadeForInstant(bool animate); | |
| 699 | |
| 700 // Immediately removes the fade. | |
| 701 void CancelInstantFade(); | |
| 702 | |
| 703 // Opens view-source tab for this contents. | |
| 704 void ViewSource(); | |
| 705 | |
| 706 // Gets the minimum/maximum zoom percent. | |
| 707 int minimum_zoom_percent() const { return minimum_zoom_percent_; } | |
| 708 int maximum_zoom_percent() const { return maximum_zoom_percent_; } | |
| 709 | |
| 710 int content_restrictions() const { return content_restrictions_; } | |
| 711 | |
| 712 AutocompleteHistoryManager* autocomplete_history_manager() { | |
| 713 return autocomplete_history_manager_.get(); | |
| 714 } | |
| 715 AutoFillManager* autofill_manager() { return autofill_manager_.get(); } | |
| 716 | |
| 717 safe_browsing::ClientSideDetectionHost* safebrowsing_detection_host() { | |
| 718 return safebrowsing_detection_host_.get(); | |
| 719 } | |
| 720 | |
| 721 protected: | |
| 722 // from RenderViewHostDelegate. | |
| 723 virtual bool OnMessageReceived(const IPC::Message& message); | |
| 724 | |
| 725 private: | |
| 726 friend class NavigationController; | |
| 727 // Used to access the child_windows_ (ConstrainedWindowList) for testing | |
| 728 // automation purposes. | |
| 729 friend class TestingAutomationProvider; | |
| 730 | |
| 731 FRIEND_TEST_ALL_PREFIXES(TabContentsTest, NoJSMessageOnInterstitials); | |
| 732 FRIEND_TEST_ALL_PREFIXES(TabContentsTest, UpdateTitle); | |
| 733 FRIEND_TEST_ALL_PREFIXES(TabContentsTest, CrossSiteCantPreemptAfterUnload); | |
| 734 FRIEND_TEST_ALL_PREFIXES(FormStructureBrowserTest, HTMLFiles); | |
| 735 FRIEND_TEST_ALL_PREFIXES(NavigationControllerTest, HistoryNavigate); | |
| 736 FRIEND_TEST_ALL_PREFIXES(RenderViewHostManagerTest, PageDoesBackAndReload); | |
| 737 | |
| 738 // Temporary until the view/contents separation is complete. | |
| 739 friend class TabContentsView; | |
| 740 #if defined(OS_WIN) | |
| 741 friend class TabContentsViewWin; | |
| 742 #elif defined(OS_MACOSX) | |
| 743 friend class TabContentsViewMac; | |
| 744 #elif defined(TOOLKIT_USES_GTK) | |
| 745 friend class TabContentsViewGtk; | |
| 746 #endif | |
| 747 | |
| 748 // So InterstitialPage can access SetIsLoading. | |
| 749 friend class InterstitialPage; | |
| 750 | |
| 751 // TODO(brettw) TestTabContents shouldn't exist! | |
| 752 friend class TestTabContents; | |
| 753 | |
| 754 // Used to access the CreateHistoryAddPageArgs member function. | |
| 755 friend class ExternalTabContainer; | |
| 756 | |
| 757 // Used to access RVH Delegates. | |
| 758 friend class prerender::PrerenderManager; | |
| 759 | |
| 760 // Add all the TabContentObservers. | |
| 761 void AddObservers(); | |
| 762 | |
| 763 // Message handlers. | |
| 764 void OnDidStartProvisionalLoadForFrame(int64 frame_id, | |
| 765 bool main_frame, | |
| 766 const GURL& url); | |
| 767 void OnDidRedirectProvisionalLoad(int32 page_id, | |
| 768 const GURL& source_url, | |
| 769 const GURL& target_url); | |
| 770 void OnDidFailProvisionalLoadWithError(int64 frame_id, | |
| 771 bool main_frame, | |
| 772 int error_code, | |
| 773 const GURL& url, | |
| 774 bool showing_repost_interstitial); | |
| 775 void OnDidLoadResourceFromMemoryCache(const GURL& url, | |
| 776 const std::string& security_info); | |
| 777 void OnDidDisplayInsecureContent(); | |
| 778 void OnDidRunInsecureContent(const std::string& security_origin, | |
| 779 const GURL& target_url); | |
| 780 void OnDocumentLoadedInFrame(int64 frame_id); | |
| 781 void OnDidFinishLoad(int64 frame_id); | |
| 782 void OnUpdateContentRestrictions(int restrictions); | |
| 783 void OnPDFHasUnsupportedFeature(); | |
| 784 | |
| 785 void OnGoToEntryAtOffset(int offset); | |
| 786 void OnDidGetApplicationInfo(int32 page_id, const WebApplicationInfo& info); | |
| 787 void OnInstallApplication(const WebApplicationInfo& info); | |
| 788 void OnPageContents(const GURL& url, | |
| 789 int32 page_id, | |
| 790 const string16& contents, | |
| 791 const std::string& language, | |
| 792 bool page_translatable); | |
| 793 void OnPageTranslated(int32 page_id, | |
| 794 const std::string& original_lang, | |
| 795 const std::string& translated_lang, | |
| 796 TranslateErrors::Type error_type); | |
| 797 void OnSetSuggestions(int32 page_id, | |
| 798 const std::vector<std::string>& suggestions); | |
| 799 void OnInstantSupportDetermined(int32 page_id, bool result); | |
| 800 void OnRunFileChooser(const ViewHostMsg_RunFileChooser_Params& params); | |
| 801 | |
| 802 // Changes the IsLoading state and notifies delegate as needed | |
| 803 // |details| is used to provide details on the load that just finished | |
| 804 // (but can be null if not applicable). Can be overridden. | |
| 805 void SetIsLoading(bool is_loading, | |
| 806 LoadNotificationDetails* details); | |
| 807 | |
| 808 // Adds the incoming |new_contents| to the |blocked_contents_| container. | |
| 809 void AddPopup(TabContents* new_contents, | |
| 810 const gfx::Rect& initial_pos); | |
| 811 | |
| 812 // Called by derived classes to indicate that we're no longer waiting for a | |
| 813 // response. This won't actually update the throbber, but it will get picked | |
| 814 // up at the next animation step if the throbber is going. | |
| 815 void SetNotWaitingForResponse() { waiting_for_response_ = false; } | |
| 816 | |
| 817 ConstrainedWindowList child_windows_; | |
| 818 | |
| 819 // Expires InfoBars that need to be expired, according to the state carried | |
| 820 // in |details|, in response to a new NavigationEntry being committed (the | |
| 821 // user navigated to another page). | |
| 822 void ExpireInfoBars( | |
| 823 const NavigationController::LoadCommittedDetails& details); | |
| 824 | |
| 825 // Returns the WebUI for the current state of the tab. This will either be | |
| 826 // the pending WebUI, the committed WebUI, or NULL. | |
| 827 WebUI* GetWebUIForCurrentState(); | |
| 828 | |
| 829 // Navigation helpers -------------------------------------------------------- | |
| 830 // | |
| 831 // These functions are helpers for Navigate() and DidNavigate(). | |
| 832 | |
| 833 // Handles post-navigation tasks in DidNavigate AFTER the entry has been | |
| 834 // committed to the navigation controller. Note that the navigation entry is | |
| 835 // not provided since it may be invalid/changed after being committed. The | |
| 836 // current navigation entry is in the NavigationController at this point. | |
| 837 void DidNavigateMainFramePostCommit( | |
| 838 const NavigationController::LoadCommittedDetails& details, | |
| 839 const ViewHostMsg_FrameNavigate_Params& params); | |
| 840 void DidNavigateAnyFramePostCommit( | |
| 841 RenderViewHost* render_view_host, | |
| 842 const NavigationController::LoadCommittedDetails& details, | |
| 843 const ViewHostMsg_FrameNavigate_Params& params); | |
| 844 | |
| 845 // Closes all constrained windows. | |
| 846 void CloseConstrainedWindows(); | |
| 847 | |
| 848 // Send the alternate error page URL to the renderer. This method is virtual | |
| 849 // so special html pages can override this (e.g., the new tab page). | |
| 850 virtual void UpdateAlternateErrorPageURL(); | |
| 851 | |
| 852 // Send webkit specific settings to the renderer. | |
| 853 void UpdateWebPreferences(); | |
| 854 | |
| 855 // Instruct the renderer to update the zoom level. | |
| 856 void UpdateZoomLevel(); | |
| 857 | |
| 858 // If our controller was restored and the page id is > than the site | |
| 859 // instance's page id, the site instances page id is updated as well as the | |
| 860 // renderers max page id. | |
| 861 void UpdateMaxPageIDIfNecessary(SiteInstance* site_instance, | |
| 862 RenderViewHost* rvh); | |
| 863 | |
| 864 // Returns the history::HistoryAddPageArgs to use for adding a page to | |
| 865 // history. | |
| 866 scoped_refptr<history::HistoryAddPageArgs> CreateHistoryAddPageArgs( | |
| 867 const GURL& virtual_url, | |
| 868 const NavigationController::LoadCommittedDetails& details, | |
| 869 const ViewHostMsg_FrameNavigate_Params& params); | |
| 870 | |
| 871 // Saves the given title to the navigation entry and does associated work. It | |
| 872 // will update history and the view for the new title, and also synthesize | |
| 873 // titles for file URLs that have none (so we require that the URL of the | |
| 874 // entry already be set). | |
| 875 // | |
| 876 // This is used as the backend for state updates, which include a new title, | |
| 877 // or the dedicated set title message. It returns true if the new title is | |
| 878 // different and was therefore updated. | |
| 879 bool UpdateTitleForEntry(NavigationEntry* entry, const std::wstring& title); | |
| 880 | |
| 881 // Causes the TabContents to navigate in the right renderer to |entry|, which | |
| 882 // must be already part of the entries in the navigation controller. | |
| 883 // This does not change the NavigationController state. | |
| 884 bool NavigateToEntry(const NavigationEntry& entry, | |
| 885 NavigationController::ReloadType reload_type); | |
| 886 | |
| 887 // Misc non-view stuff ------------------------------------------------------- | |
| 888 | |
| 889 // Helper functions for sending notifications. | |
| 890 void NotifySwapped(); | |
| 891 void NotifyConnected(); | |
| 892 void NotifyDisconnected(); | |
| 893 | |
| 894 // TabSpecificContentSettings::Delegate implementation. | |
| 895 virtual void OnContentSettingsAccessed(bool content_was_blocked); | |
| 896 | |
| 897 // RenderViewHostDelegate ---------------------------------------------------- | |
| 898 | |
| 899 // RenderViewHostDelegate implementation. | |
| 900 virtual RenderViewHostDelegate::View* GetViewDelegate(); | |
| 901 virtual RenderViewHostDelegate::RendererManagement* | |
| 902 GetRendererManagementDelegate(); | |
| 903 virtual RenderViewHostDelegate::ContentSettings* GetContentSettingsDelegate(); | |
| 904 virtual RenderViewHostDelegate::SSL* GetSSLDelegate(); | |
| 905 virtual AutomationResourceRoutingDelegate* | |
| 906 GetAutomationResourceRoutingDelegate(); | |
| 907 virtual TabContents* GetAsTabContents(); | |
| 908 virtual ViewType::Type GetRenderViewType() const; | |
| 909 virtual int GetBrowserWindowID() const; | |
| 910 virtual void RenderViewCreated(RenderViewHost* render_view_host); | |
| 911 virtual void RenderViewReady(RenderViewHost* render_view_host); | |
| 912 virtual void RenderViewGone(RenderViewHost* render_view_host, | |
| 913 base::TerminationStatus status, | |
| 914 int error_code); | |
| 915 virtual void RenderViewDeleted(RenderViewHost* render_view_host); | |
| 916 virtual void DidNavigate(RenderViewHost* render_view_host, | |
| 917 const ViewHostMsg_FrameNavigate_Params& params); | |
| 918 virtual void UpdateState(RenderViewHost* render_view_host, | |
| 919 int32 page_id, | |
| 920 const std::string& state); | |
| 921 virtual void UpdateTitle(RenderViewHost* render_view_host, | |
| 922 int32 page_id, | |
| 923 const std::wstring& title); | |
| 924 virtual void UpdateEncoding(RenderViewHost* render_view_host, | |
| 925 const std::string& encoding); | |
| 926 virtual void UpdateTargetURL(int32 page_id, const GURL& url); | |
| 927 virtual void UpdateThumbnail(const GURL& url, | |
| 928 const SkBitmap& bitmap, | |
| 929 const ThumbnailScore& score); | |
| 930 virtual void UpdateInspectorSetting(const std::string& key, | |
| 931 const std::string& value); | |
| 932 virtual void ClearInspectorSettings(); | |
| 933 virtual void Close(RenderViewHost* render_view_host); | |
| 934 virtual void RequestMove(const gfx::Rect& new_bounds); | |
| 935 virtual void DidStartLoading(); | |
| 936 virtual void DidStopLoading(); | |
| 937 virtual void DidChangeLoadProgress(double progress); | |
| 938 virtual void DocumentOnLoadCompletedInMainFrame( | |
| 939 RenderViewHost* render_view_host, | |
| 940 int32 page_id); | |
| 941 virtual void RequestOpenURL(const GURL& url, const GURL& referrer, | |
| 942 WindowOpenDisposition disposition); | |
| 943 virtual void DomOperationResponse(const std::string& json_string, | |
| 944 int automation_id); | |
| 945 virtual void ProcessWebUIMessage(const ViewHostMsg_DomMessage_Params& params); | |
| 946 virtual void ProcessExternalHostMessage(const std::string& message, | |
| 947 const std::string& origin, | |
| 948 const std::string& target); | |
| 949 virtual void RunJavaScriptMessage(const std::wstring& message, | |
| 950 const std::wstring& default_prompt, | |
| 951 const GURL& frame_url, | |
| 952 const int flags, | |
| 953 IPC::Message* reply_msg, | |
| 954 bool* did_suppress_message); | |
| 955 virtual void RunBeforeUnloadConfirm(const std::wstring& message, | |
| 956 IPC::Message* reply_msg); | |
| 957 virtual void ShowModalHTMLDialog(const GURL& url, int width, int height, | |
| 958 const std::string& json_arguments, | |
| 959 IPC::Message* reply_msg); | |
| 960 virtual GURL GetAlternateErrorPageURL() const; | |
| 961 virtual RendererPreferences GetRendererPrefs(Profile* profile) const; | |
| 962 virtual WebPreferences GetWebkitPrefs(); | |
| 963 virtual void OnUserGesture(); | |
| 964 virtual void OnIgnoredUIEvent(); | |
| 965 virtual void OnJSOutOfMemory(); | |
| 966 virtual void OnCrossSiteResponse(int new_render_process_host_id, | |
| 967 int new_request_id); | |
| 968 virtual void RendererUnresponsive(RenderViewHost* render_view_host, | |
| 969 bool is_during_unload); | |
| 970 virtual void RendererResponsive(RenderViewHost* render_view_host); | |
| 971 virtual void LoadStateChanged(const GURL& url, net::LoadState load_state, | |
| 972 uint64 upload_position, uint64 upload_size); | |
| 973 virtual bool IsExternalTabContainer() const; | |
| 974 virtual void DidInsertCSS(); | |
| 975 virtual void FocusedNodeChanged(bool is_editable_node); | |
| 976 virtual void UpdateZoomLimits(int minimum_percent, | |
| 977 int maximum_percent, | |
| 978 bool remember); | |
| 979 virtual void WorkerCrashed(); | |
| 980 | |
| 981 // RenderViewHostManager::Delegate ------------------------------------------- | |
| 982 | |
| 983 // Blocks/unblocks interaction with renderer process. | |
| 984 void BlockTabContent(bool blocked); | |
| 985 | |
| 986 virtual void BeforeUnloadFiredFromRenderManager( | |
| 987 bool proceed, | |
| 988 bool* proceed_to_fire_unload); | |
| 989 virtual void DidStartLoadingFromRenderManager( | |
| 990 RenderViewHost* render_view_host); | |
| 991 virtual void RenderViewGoneFromRenderManager( | |
| 992 RenderViewHost* render_view_host); | |
| 993 virtual void UpdateRenderViewSizeForRenderManager(); | |
| 994 virtual void NotifySwappedFromRenderManager(); | |
| 995 virtual NavigationController& GetControllerForRenderManager(); | |
| 996 virtual WebUI* CreateWebUIForRenderManager(const GURL& url); | |
| 997 virtual NavigationEntry* GetLastCommittedNavigationEntryForRenderManager(); | |
| 998 | |
| 999 // Initializes the given renderer if necessary and creates the view ID | |
| 1000 // corresponding to this view host. If this method is not called and the | |
| 1001 // process is not shared, then the TabContents will act as though the renderer | |
| 1002 // is not running (i.e., it will render "sad tab"). This method is | |
| 1003 // automatically called from LoadURL. | |
| 1004 // | |
| 1005 // If you are attaching to an already-existing RenderView, you should call | |
| 1006 // InitWithExistingID. | |
| 1007 virtual bool CreateRenderViewForRenderManager( | |
| 1008 RenderViewHost* render_view_host); | |
| 1009 | |
| 1010 // NotificationObserver ------------------------------------------------------ | |
| 1011 | |
| 1012 virtual void Observe(NotificationType type, | |
| 1013 const NotificationSource& source, | |
| 1014 const NotificationDetails& details); | |
| 1015 | |
| 1016 // App extensions related methods: | |
| 1017 | |
| 1018 // Returns the first extension whose extent contains |url|. | |
| 1019 const Extension* GetExtensionContaining(const GURL& url); | |
| 1020 | |
| 1021 // Resets app_icon_ and if |extension| is non-null creates a new | |
| 1022 // ImageLoadingTracker to load the extension's image. | |
| 1023 void UpdateExtensionAppIcon(const Extension* extension); | |
| 1024 | |
| 1025 // ImageLoadingTracker::Observer. | |
| 1026 virtual void OnImageLoaded(SkBitmap* image, ExtensionResource resource, | |
| 1027 int index); | |
| 1028 | |
| 1029 // Checks with the PrerenderManager if the specified URL has been preloaded, | |
| 1030 // and if so, swap the RenderViewHost with the preload into this TabContents | |
| 1031 // object. | |
| 1032 bool MaybeUsePreloadedPage(const GURL& url); | |
| 1033 | |
| 1034 // Data for core operation --------------------------------------------------- | |
| 1035 | |
| 1036 // Delegate for notifying our owner about stuff. Not owned by us. | |
| 1037 TabContentsDelegate* delegate_; | |
| 1038 | |
| 1039 // Handles the back/forward list and loading. | |
| 1040 NavigationController controller_; | |
| 1041 | |
| 1042 // The corresponding view. | |
| 1043 scoped_ptr<TabContentsView> view_; | |
| 1044 | |
| 1045 // Helper classes ------------------------------------------------------------ | |
| 1046 | |
| 1047 // Manages creation and swapping of render views. | |
| 1048 RenderViewHostManager render_manager_; | |
| 1049 | |
| 1050 // Stores random bits of data for others to associate with this object. | |
| 1051 PropertyBag property_bag_; | |
| 1052 | |
| 1053 // Registers and unregisters us for notifications. | |
| 1054 NotificationRegistrar registrar_; | |
| 1055 | |
| 1056 // Registers and unregisters for pref notifications. | |
| 1057 PrefChangeRegistrar pref_change_registrar_; | |
| 1058 | |
| 1059 // Handles print job for this contents. | |
| 1060 scoped_ptr<printing::PrintViewManager> printing_; | |
| 1061 | |
| 1062 // Handles print preview for this contents. | |
| 1063 scoped_ptr<printing::PrintPreviewMessageHandler> print_preview_; | |
| 1064 | |
| 1065 // SavePackage, lazily created. | |
| 1066 scoped_refptr<SavePackage> save_package_; | |
| 1067 | |
| 1068 // AutocompleteHistoryManager. | |
| 1069 scoped_ptr<AutocompleteHistoryManager> autocomplete_history_manager_; | |
| 1070 | |
| 1071 // AutoFillManager. | |
| 1072 scoped_ptr<AutoFillManager> autofill_manager_; | |
| 1073 | |
| 1074 // Handles plugin messages. | |
| 1075 scoped_ptr<PluginObserver> plugin_observer_; | |
| 1076 | |
| 1077 // Prerender PageLoadTime Recorder. | |
| 1078 scoped_ptr<prerender::PrerenderPLTRecorder> prerender_plt_recorder_; | |
| 1079 | |
| 1080 // TabContentsSSLHelper, lazily created. | |
| 1081 scoped_ptr<TabContentsSSLHelper> ssl_helper_; | |
| 1082 | |
| 1083 // FileSelectHelper, lazily created. | |
| 1084 scoped_ptr<FileSelectHelper> file_select_helper_; | |
| 1085 | |
| 1086 // Handles drag and drop event forwarding to extensions. | |
| 1087 BookmarkDrag* bookmark_drag_; | |
| 1088 | |
| 1089 // Handles downloading favicons. | |
| 1090 scoped_ptr<FavIconHelper> fav_icon_helper_; | |
| 1091 | |
| 1092 // Cached web app info data. | |
| 1093 WebApplicationInfo web_app_info_; | |
| 1094 | |
| 1095 // Cached web app icon. | |
| 1096 SkBitmap app_icon_; | |
| 1097 | |
| 1098 // RenderViewHost::ContentSettingsDelegate. | |
| 1099 scoped_ptr<TabSpecificContentSettings> content_settings_delegate_; | |
| 1100 | |
| 1101 // Handles desktop notification IPCs. | |
| 1102 scoped_ptr<DesktopNotificationHandlerForTC> desktop_notification_handler_; | |
| 1103 | |
| 1104 // Handles IPCs related to SafeBrowsing client-side phishing detection. | |
| 1105 scoped_ptr<safe_browsing::ClientSideDetectionHost> | |
| 1106 safebrowsing_detection_host_; | |
| 1107 | |
| 1108 // Data for loading state ---------------------------------------------------- | |
| 1109 | |
| 1110 // Indicates whether we're currently loading a resource. | |
| 1111 bool is_loading_; | |
| 1112 | |
| 1113 // Indicates if the tab is considered crashed. | |
| 1114 base::TerminationStatus crashed_status_; | |
| 1115 int crashed_error_code_; | |
| 1116 | |
| 1117 // See waiting_for_response() above. | |
| 1118 bool waiting_for_response_; | |
| 1119 | |
| 1120 // Indicates the largest PageID we've seen. This field is ignored if we are | |
| 1121 // a TabContents, in which case the max page ID is stored separately with | |
| 1122 // each SiteInstance. | |
| 1123 // TODO(brettw) this seems like it can be removed according to the comment. | |
| 1124 int32 max_page_id_; | |
| 1125 | |
| 1126 // System time at which the current load was started. | |
| 1127 base::TimeTicks current_load_start_; | |
| 1128 | |
| 1129 // The current load state and the URL associated with it. | |
| 1130 net::LoadState load_state_; | |
| 1131 string16 load_state_host_; | |
| 1132 // Upload progress, for displaying in the status bar. | |
| 1133 // Set to zero when there is no significant upload happening. | |
| 1134 uint64 upload_size_; | |
| 1135 uint64 upload_position_; | |
| 1136 | |
| 1137 // Data for current page ----------------------------------------------------- | |
| 1138 | |
| 1139 // Whether we have a (non-empty) title for the current page. | |
| 1140 // Used to prevent subsequent title updates from affecting history. This | |
| 1141 // prevents some weirdness because some AJAXy apps use titles for status | |
| 1142 // messages. | |
| 1143 bool received_page_title_; | |
| 1144 | |
| 1145 // When a navigation occurs, we record its contents MIME type. It can be | |
| 1146 // used to check whether we can do something for some special contents. | |
| 1147 std::string contents_mime_type_; | |
| 1148 | |
| 1149 // Character encoding. | |
| 1150 std::string encoding_; | |
| 1151 | |
| 1152 // Object that holds any blocked TabContents spawned from this TabContents. | |
| 1153 BlockedContentContainer* blocked_contents_; | |
| 1154 | |
| 1155 // Should we block all child TabContents this attempts to spawn. | |
| 1156 bool all_contents_blocked_; | |
| 1157 | |
| 1158 // TODO(pkasting): Hack to try and fix Linux browser tests. | |
| 1159 bool dont_notify_render_view_; | |
| 1160 | |
| 1161 // True if this is a secure page which displayed insecure content. | |
| 1162 bool displayed_insecure_content_; | |
| 1163 | |
| 1164 // Data for shelves and stuff ------------------------------------------------ | |
| 1165 | |
| 1166 // Delegates for InfoBars associated with this TabContents. | |
| 1167 std::vector<InfoBarDelegate*> infobar_delegates_; | |
| 1168 | |
| 1169 // Data for app extensions --------------------------------------------------- | |
| 1170 | |
| 1171 // If non-null this tab is an app tab and this is the extension the tab was | |
| 1172 // created for. | |
| 1173 const Extension* extension_app_; | |
| 1174 | |
| 1175 // Icon for extension_app_ (if non-null) or extension_for_current_page_. | |
| 1176 SkBitmap extension_app_icon_; | |
| 1177 | |
| 1178 // Used for loading extension_app_icon_. | |
| 1179 scoped_ptr<ImageLoadingTracker> extension_app_image_loader_; | |
| 1180 | |
| 1181 // Data for misc internal state ---------------------------------------------- | |
| 1182 | |
| 1183 // See capturing_contents() above. | |
| 1184 bool capturing_contents_; | |
| 1185 | |
| 1186 // See getter above. | |
| 1187 bool is_being_destroyed_; | |
| 1188 | |
| 1189 // Indicates whether we should notify about disconnection of this | |
| 1190 // TabContents. This is used to ensure disconnection notifications only | |
| 1191 // happen if a connection notification has happened and that they happen only | |
| 1192 // once. | |
| 1193 bool notify_disconnection_; | |
| 1194 | |
| 1195 // Maps from handle to page_id. | |
| 1196 typedef std::map<FaviconService::Handle, int32> HistoryRequestMap; | |
| 1197 HistoryRequestMap history_requests_; | |
| 1198 | |
| 1199 #if defined(OS_WIN) | |
| 1200 // Handle to an event that's set when the page is showing a message box (or | |
| 1201 // equivalent constrained window). Plugin processes check this to know if | |
| 1202 // they should pump messages then. | |
| 1203 base::win::ScopedHandle message_box_active_; | |
| 1204 #endif | |
| 1205 | |
| 1206 // The time that the last javascript message was dismissed. | |
| 1207 base::TimeTicks last_javascript_message_dismissal_; | |
| 1208 | |
| 1209 // True if the user has decided to block future javascript messages. This is | |
| 1210 // reset on navigations to false on navigations. | |
| 1211 bool suppress_javascript_messages_; | |
| 1212 | |
| 1213 // Set to true when there is an active "before unload" dialog. When true, | |
| 1214 // we've forced the throbber to start in Navigate, and we need to remember to | |
| 1215 // turn it off in OnJavaScriptMessageBoxClosed if the navigation is canceled. | |
| 1216 bool is_showing_before_unload_dialog_; | |
| 1217 | |
| 1218 // Shows an info-bar to users when they search from a known search engine and | |
| 1219 // have never used the monibox for search before. | |
| 1220 scoped_ptr<OmniboxSearchHint> omnibox_search_hint_; | |
| 1221 | |
| 1222 // Settings that get passed to the renderer process. | |
| 1223 RendererPreferences renderer_preferences_; | |
| 1224 | |
| 1225 // If this tab was created from a renderer using window.open, this will be | |
| 1226 // non-NULL and represent the WebUI of the opening renderer. | |
| 1227 WebUITypeID opener_web_ui_type_; | |
| 1228 | |
| 1229 // The time that we started to create the new tab page. | |
| 1230 base::TimeTicks new_tab_start_time_; | |
| 1231 | |
| 1232 // The time that we started to close the tab. | |
| 1233 base::TimeTicks tab_close_start_time_; | |
| 1234 | |
| 1235 // The time that this tab was last selected. | |
| 1236 base::TimeTicks last_selected_time_; | |
| 1237 | |
| 1238 // Information about the language the page is in and has been translated to. | |
| 1239 LanguageState language_state_; | |
| 1240 | |
| 1241 // See description above setter. | |
| 1242 bool closed_by_user_gesture_; | |
| 1243 | |
| 1244 // Minimum/maximum zoom percent. | |
| 1245 int minimum_zoom_percent_; | |
| 1246 int maximum_zoom_percent_; | |
| 1247 // If true, the default zoom limits have been overriden for this tab, in which | |
| 1248 // case we don't want saved settings to apply to it and we don't want to | |
| 1249 // remember it. | |
| 1250 bool temporary_zoom_settings_; | |
| 1251 | |
| 1252 // A list of observers notified when page state changes. Weak references. | |
| 1253 ObserverList<TabContentsObserver> observers_; | |
| 1254 | |
| 1255 // Content restrictions, used to disable print/copy etc based on content's | |
| 1256 // (full-page plugins for now only) permissions. | |
| 1257 int content_restrictions_; | |
| 1258 | |
| 1259 DISALLOW_COPY_AND_ASSIGN(TabContents); | |
| 1260 }; | |
| 1261 | 11 |
| 1262 #endif // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_ | 12 #endif // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_ |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 6537015:
Start moving core pieces of Chrome multi-process code to src\content. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/