chrome/browser/ui/browser.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_BROWSER_H_
   6 #define CHROME_BROWSER_UI_BROWSER_H_
   7
   8 #include <map>
   9 #include <set>
  10 #include <string>
  11 #include <vector>
  12
  13 #include "base/basictypes.h"
  14 #include "base/compiler_specific.h"
  15 #include "base/gtest_prod_util.h"
  16 #include "base/memory/scoped_ptr.h"
  17 #include "base/memory/weak_ptr.h"
  18 #include "base/prefs/pref_change_registrar.h"
  19 #include "base/prefs/pref_member.h"
  20 #include "base/strings/string16.h"
  21 #include "chrome/browser/devtools/devtools_toggle_action.h"
  22 #include "chrome/browser/sessions/session_id.h"
  23 #include "chrome/browser/ui/bookmarks/bookmark_bar.h"
  24 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper_delegate.h"
  25 #include "chrome/browser/ui/browser_navigator.h"
  26 #include "chrome/browser/ui/chrome_web_modal_dialog_manager_delegate.h"
  27 #include "chrome/browser/ui/host_desktop.h"
  28 #include "chrome/browser/ui/search/search_tab_helper_delegate.h"
  29 #include "chrome/browser/ui/search_engines/search_engine_tab_helper_delegate.h"
  30 #include "chrome/browser/ui/tab_contents/core_tab_helper_delegate.h"
  31 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
  32 #include "chrome/browser/ui/toolbar/toolbar_model.h"
  33 #include "chrome/browser/ui/zoom/zoom_observer.h"
  34 #include "chrome/common/content_settings.h"
  35 #include "chrome/common/content_settings_types.h"
  36 #include "content/public/browser/notification_observer.h"
  37 #include "content/public/browser/notification_registrar.h"
  38 #include "content/public/browser/page_navigator.h"
  39 #include "content/public/browser/web_contents_delegate.h"
  40 #include "content/public/common/page_transition_types.h"
  41 #include "content/public/common/page_zoom.h"
  42 #include "ui/base/ui_base_types.h"
  43 #include "ui/base/window_open_disposition.h"
  44 #include "ui/gfx/rect.h"
  45 #include "ui/shell_dialogs/select_file_dialog.h"
  46
  47 class BrowserContentSettingBubbleModelDelegate;
  48 class BrowserContentTranslateDriverObserver;
  49 class BrowserInstantController;
  50 class BrowserSyncedWindowDelegate;
  51 class BrowserToolbarModelDelegate;
  52 class BrowserTabRestoreServiceDelegate;
  53 class BrowserWindow;
  54 class FindBarController;
  55 class FullscreenController;
  56 class PrefService;
  57 class Profile;
  58 class SearchDelegate;
  59 class SearchModel;
  60 class StatusBubble;
  61 class TabStripModel;
  62 class TabStripModelDelegate;
  63 struct WebApplicationInfo;
  64
  65 namespace chrome {
  66 class BrowserCommandController;
  67 class FastUnloadController;
  68 class UnloadController;
  69 class ValidationMessageBubble;
  70 }
  71
  72 namespace content {
  73 class NavigationController;
  74 class PageState;
  75 class SessionStorageNamespace;
  76 }
  77
  78 namespace extensions {
  79 class Extension;
  80 class WindowController;
  81 }
  82
  83 namespace gfx {
  84 class Image;
  85 class Point;
  86 }
  87
  88 namespace ui {
  89 struct SelectedFileInfo;
  90 class WebDialogDelegate;
  91 }
  92
  93 namespace web_modal {
  94 class WebContentsModalDialogHost;
  95 }
  96
  97 class Browser : public TabStripModelObserver,
  98                 public content::WebContentsDelegate,
  99                 public CoreTabHelperDelegate,
 100                 public SearchEngineTabHelperDelegate,
 101                 public SearchTabHelperDelegate,
 102                 public ChromeWebModalDialogManagerDelegate,
 103                 public BookmarkTabHelperDelegate,
 104                 public ZoomObserver,
 105                 public content::PageNavigator,
 106                 public content::NotificationObserver,
 107                 public ui::SelectFileDialog::Listener {
 108  public:
 109   // SessionService::WindowType mirrors these values.  If you add to this
 110   // enum, look at SessionService::WindowType to see if it needs to be
 111   // updated.
 112   enum Type {
 113     // If you add a new type, consider updating the test
 114     // BrowserTest.StartMaximized.
 115     TYPE_TABBED = 1,
 116     TYPE_POPUP = 2
 117   };
 118
 119   // Possible elements of the Browser window.
 120   enum WindowFeature {
 121     FEATURE_NONE = 0,
 122     FEATURE_TITLEBAR = 1,
 123     FEATURE_TABSTRIP = 2,
 124     FEATURE_TOOLBAR = 4,
 125     FEATURE_LOCATIONBAR = 8,
 126     FEATURE_BOOKMARKBAR = 16,
 127     FEATURE_INFOBAR = 32,
 128     FEATURE_DOWNLOADSHELF = 64
 129   };
 130
 131   // The context for a download blocked notification from
 132   // OkToCloseWithInProgressDownloads.
 133   enum DownloadClosePreventionType {
 134     // Browser close is not blocked by download state.
 135     DOWNLOAD_CLOSE_OK,
 136
 137     // The browser is shutting down and there are active downloads
 138     // that would be cancelled.
 139     DOWNLOAD_CLOSE_BROWSER_SHUTDOWN,
 140
 141     // There are active downloads associated with this incognito profile
 142     // that would be canceled.
 143     DOWNLOAD_CLOSE_LAST_WINDOW_IN_INCOGNITO_PROFILE,
 144   };
 145
 146   struct CreateParams {
 147     CreateParams(Profile* profile, chrome::HostDesktopType host_desktop_type);
 148     CreateParams(Type type,
 149                  Profile* profile,
 150                  chrome::HostDesktopType host_desktop_type);
 151
 152     static CreateParams CreateForApp(const std::string& app_name,
 153                                      bool trusted_source,
 154                                      const gfx::Rect& window_bounds,
 155                                      Profile* profile,
 156                                      chrome::HostDesktopType host_desktop_type);
 157
 158     static CreateParams CreateForDevTools(
 159         Profile* profile,
 160         chrome::HostDesktopType host_desktop_type);
 161
 162     // The browser type.
 163     Type type;
 164
 165     // The associated profile.
 166     Profile* profile;
 167
 168     // The host desktop the browser is created on.
 169     chrome::HostDesktopType host_desktop_type;
 170
 171     // Specifies the browser is_trusted_source_ value.
 172     bool trusted_source;
 173
 174     // The bounds of the window to open.
 175     gfx::Rect initial_bounds;
 176
 177     ui::WindowShowState initial_show_state;
 178
 179     bool is_session_restore;
 180
 181     // Supply a custom BrowserWindow implementation, to be used instead of the
 182     // default. Intended for testing.
 183     BrowserWindow* window;
 184
 185    private:
 186     friend class Browser;
 187
 188     // The application name that is also the name of the window to the shell.
 189     // Do not set this value directly, use CreateForApp.
 190     // This name will be set for:
 191     // 1) v1 applications launched via an application shortcut or extension API.
 192     // 2) undocked devtool windows.
 193     // 3) popup windows spawned from v1 applications.
 194     std::string app_name;
 195   };
 196
 197   // Constructors, Creation, Showing //////////////////////////////////////////
 198
 199   explicit Browser(const CreateParams& params);
 200   virtual ~Browser();
 201
 202   // Set overrides for the initial window bounds and maximized state.
 203   void set_override_bounds(const gfx::Rect& bounds) {
 204     override_bounds_ = bounds;
 205   }
 206   ui::WindowShowState initial_show_state() const { return initial_show_state_; }
 207   void set_initial_show_state(ui::WindowShowState initial_show_state) {
 208     initial_show_state_ = initial_show_state;
 209   }
 210   // Return true if the initial window bounds have been overridden.
 211   bool bounds_overridden() const {
 212     return !override_bounds_.IsEmpty();
 213   }
 214   // Set indicator that this browser is being created via session restore.
 215   // This is used on the Mac (only) to determine animation style when the
 216   // browser window is shown.
 217   void set_is_session_restore(bool is_session_restore) {
 218     is_session_restore_ = is_session_restore;
 219   }
 220   bool is_session_restore() const {
 221     return is_session_restore_;
 222   }
 223   chrome::HostDesktopType host_desktop_type() const {
 224     return host_desktop_type_;
 225   }
 226
 227   // Accessors ////////////////////////////////////////////////////////////////
 228
 229   Type type() const { return type_; }
 230   const std::string& app_name() const { return app_name_; }
 231   bool is_trusted_source() const { return is_trusted_source_; }
 232   Profile* profile() const { return profile_; }
 233   gfx::Rect override_bounds() const { return override_bounds_; }
 234
 235   // |window()| will return NULL if called before |CreateBrowserWindow()|
 236   // is done.
 237   BrowserWindow* window() const { return window_; }
 238   ToolbarModel* toolbar_model() { return toolbar_model_.get(); }
 239   const ToolbarModel* toolbar_model() const { return toolbar_model_.get(); }
 240 #if defined(UNIT_TEST)
 241   void swap_toolbar_models(scoped_ptr<ToolbarModel>* toolbar_model) {
 242     toolbar_model->swap(toolbar_model_);
 243   }
 244 #endif
 245   TabStripModel* tab_strip_model() const { return tab_strip_model_.get(); }
 246   chrome::BrowserCommandController* command_controller() {
 247     return command_controller_.get();
 248   }
 249   SearchModel* search_model() { return search_model_.get(); }
 250   const SearchModel* search_model() const {
 251       return search_model_.get();
 252   }
 253   SearchDelegate* search_delegate() {
 254     return search_delegate_.get();
 255   }
 256   const SessionID& session_id() const { return session_id_; }
 257   BrowserContentSettingBubbleModelDelegate*
 258       content_setting_bubble_model_delegate() {
 259     return content_setting_bubble_model_delegate_.get();
 260   }
 261   BrowserTabRestoreServiceDelegate* tab_restore_service_delegate() {
 262     return tab_restore_service_delegate_.get();
 263   }
 264   BrowserSyncedWindowDelegate* synced_window_delegate() {
 265     return synced_window_delegate_.get();
 266   }
 267   BrowserInstantController* instant_controller() {
 268     return instant_controller_.get();
 269   }
 270
 271   // Get the FindBarController for this browser, creating it if it does not
 272   // yet exist.
 273   FindBarController* GetFindBarController();
 274
 275   // Returns true if a FindBarController exists for this browser.
 276   bool HasFindBarController() const;
 277
 278   // Returns the state of the bookmark bar.
 279   BookmarkBar::State bookmark_bar_state() const { return bookmark_bar_state_; }
 280
 281   // State Storage and Retrieval for UI ///////////////////////////////////////
 282
 283   // Gets the Favicon of the page in the selected tab.
 284   gfx::Image GetCurrentPageIcon() const;
 285
 286   // Gets the title of the window based on the selected tab's title.
 287   base::string16 GetWindowTitleForCurrentTab() const;
 288
 289   // Prepares a title string for display (removes embedded newlines, etc).
 290   static void FormatTitleForDisplay(base::string16* title);
 291
 292   // OnBeforeUnload handling //////////////////////////////////////////////////
 293
 294   // Gives beforeunload handlers the chance to cancel the close. Returns whether
 295   // to proceed with the close. If called while the process begun by
 296   // CallBeforeUnloadHandlers is in progress, returns false without taking
 297   // action.
 298   bool ShouldCloseWindow();
 299
 300   // Begins the process of confirming whether the associated browser can be
 301   // closed. If there are no tabs with beforeunload handlers it will immediately
 302   // return false. Otherwise, it starts prompting the user, returns true and
 303   // will call |on_close_confirmed| with the result of the user's decision.
 304   // After calling this function, if the window will not be closed, call
 305   // ResetBeforeUnloadHandlers() to reset all beforeunload handlers; calling
 306   // this function multiple times without an intervening call to
 307   // ResetBeforeUnloadHandlers() will run only the beforeunload handlers
 308   // registered since the previous call.
 309   bool CallBeforeUnloadHandlers(
 310       const base::Callback<void(bool)>& on_close_confirmed);
 311
 312   // Clears the results of any beforeunload confirmation dialogs triggered by a
 313   // CallBeforeUnloadHandlers call.
 314   void ResetBeforeUnloadHandlers();
 315
 316   // Figure out if there are tabs that have beforeunload handlers.
 317   // It starts beforeunload/unload processing as a side-effect.
 318   bool TabsNeedBeforeUnloadFired();
 319
 320   // Returns true if all tabs' beforeunload/unload events have fired.
 321   bool HasCompletedUnloadProcessing() const;
 322
 323   bool IsAttemptingToCloseBrowser() const;
 324
 325   // Invoked when the window containing us is closing. Performs the necessary
 326   // cleanup.
 327   void OnWindowClosing();
 328
 329   // In-progress download termination handling /////////////////////////////////
 330
 331   // Called when the user has decided whether to proceed or not with the browser
 332   // closure.  |cancel_downloads| is true if the downloads should be canceled
 333   // and the browser closed, false if the browser should stay open and the
 334   // downloads running.
 335   void InProgressDownloadResponse(bool cancel_downloads);
 336
 337   // Indicates whether or not this browser window can be closed, or
 338   // would be blocked by in-progress downloads.
 339   // If executing downloads would be cancelled by this window close,
 340   // then |*num_downloads_blocking| is updated with how many downloads
 341   // would be canceled if the close continued.
 342   DownloadClosePreventionType OkToCloseWithInProgressDownloads(
 343       int* num_downloads_blocking) const;
 344
 345   // External state change handling ////////////////////////////////////////////
 346
 347   // Invoked when the fullscreen state of the window changes.
 348   // BrowserWindow::EnterFullscreen invokes this after the window has become
 349   // fullscreen.
 350   void WindowFullscreenStateChanged();
 351
 352   // Invoked when visible SSL state (as defined by SSLStatus) changes.
 353   void VisibleSSLStateChanged(content::WebContents* web_contents);
 354
 355   // Assorted browser commands ////////////////////////////////////////////////
 356
 357   // NOTE: Within each of the following sections, the IDs are ordered roughly by
 358   // how they appear in the GUI/menus (left to right, top to bottom, etc.).
 359
 360   // See the description of
 361   // FullscreenController::ToggleFullscreenModeWithExtension.
 362   void ToggleFullscreenModeWithExtension(const GURL& extension_url);
 363
 364 #if defined(OS_WIN)
 365   // See the description of FullscreenController::ToggleMetroSnapMode.
 366   void SetMetroSnapMode(bool enable);
 367 #endif
 368
 369   // Returns true if the Browser supports the specified feature. The value of
 370   // this varies during the lifetime of the browser. For example, if the window
 371   // is fullscreen this may return a different value. If you only care about
 372   // whether or not it's possible for the browser to support a particular
 373   // feature use |CanSupportWindowFeature|.
 374   bool SupportsWindowFeature(WindowFeature feature) const;
 375
 376   // Returns true if the Browser can support the specified feature. See comment
 377   // in |SupportsWindowFeature| for details on this.
 378   bool CanSupportWindowFeature(WindowFeature feature) const;
 379
 380   // TODO(port): port these, and re-merge the two function declaration lists.
 381   // Page-related commands.
 382   void ToggleEncodingAutoDetect();
 383   void OverrideEncoding(int encoding_id);
 384
 385   // Show various bits of UI
 386   void OpenFile();
 387
 388   void UpdateDownloadShelfVisibility(bool visible);
 389
 390   /////////////////////////////////////////////////////////////////////////////
 391
 392   // Called by chrome::Navigate() when a navigation has occurred in a tab in
 393   // this Browser. Updates the UI for the start of this navigation.
 394   void UpdateUIForNavigationInTab(content::WebContents* contents,
 395                                   content::PageTransition transition,
 396                                   bool user_initiated);
 397
 398   // Interface implementations ////////////////////////////////////////////////
 399
 400   // Overridden from content::PageNavigator:
 401   virtual content::WebContents* OpenURL(
 402       const content::OpenURLParams& params) OVERRIDE;
 403
 404   // Overridden from TabStripModelObserver:
 405   virtual void TabInsertedAt(content::WebContents* contents,
 406                              int index,
 407                              bool foreground) OVERRIDE;
 408   virtual void TabClosingAt(TabStripModel* tab_strip_model,
 409                             content::WebContents* contents,
 410                             int index) OVERRIDE;
 411   virtual void TabDetachedAt(content::WebContents* contents,
 412                              int index) OVERRIDE;
 413   virtual void TabDeactivated(content::WebContents* contents) OVERRIDE;
 414   virtual void ActiveTabChanged(content::WebContents* old_contents,
 415                                 content::WebContents* new_contents,
 416                                 int index,
 417                                 int reason) OVERRIDE;
 418   virtual void TabMoved(content::WebContents* contents,
 419                         int from_index,
 420                         int to_index) OVERRIDE;
 421   virtual void TabReplacedAt(TabStripModel* tab_strip_model,
 422                              content::WebContents* old_contents,
 423                              content::WebContents* new_contents,
 424                              int index) OVERRIDE;
 425   virtual void TabPinnedStateChanged(content::WebContents* contents,
 426                                      int index) OVERRIDE;
 427   virtual void TabStripEmpty() OVERRIDE;
 428
 429   // Overridden from content::WebContentsDelegate:
 430   virtual bool CanOverscrollContent() const OVERRIDE;
 431   virtual bool ShouldPreserveAbortedURLs(content::WebContents* source) OVERRIDE;
 432   virtual bool PreHandleKeyboardEvent(
 433       content::WebContents* source,
 434       const content::NativeWebKeyboardEvent& event,
 435       bool* is_keyboard_shortcut) OVERRIDE;
 436   virtual void HandleKeyboardEvent(
 437       content::WebContents* source,
 438       const content::NativeWebKeyboardEvent& event) OVERRIDE;
 439   virtual void OverscrollUpdate(int delta_y) OVERRIDE;
 440   virtual void ShowValidationMessage(content::WebContents* web_contents,
 441                                      const gfx::Rect& anchor_in_root_view,
 442                                      const base::string16& main_text,
 443                                      const base::string16& sub_text) OVERRIDE;
 444   virtual void HideValidationMessage(
 445       content::WebContents* web_contents) OVERRIDE;
 446   virtual void MoveValidationMessage(
 447       content::WebContents* web_contents,
 448       const gfx::Rect& anchor_in_root_view) OVERRIDE;
 449   virtual bool PreHandleGestureEvent(
 450       content::WebContents* source,
 451       const blink::WebGestureEvent& event) OVERRIDE;
 452
 453   bool is_type_tabbed() const { return type_ == TYPE_TABBED; }
 454   bool is_type_popup() const { return type_ == TYPE_POPUP; }
 455
 456   bool is_app() const;
 457   bool is_devtools() const;
 458
 459   // True when the mouse cursor is locked.
 460   bool IsMouseLocked() const;
 461
 462   // Called each time the browser window is shown.
 463   void OnWindowDidShow();
 464
 465   // Show the first run search engine bubble on the location bar.
 466   void ShowFirstRunBubble();
 467
 468   // Show a download on the download shelf.
 469   void ShowDownload(content::DownloadItem* download);
 470
 471   FullscreenController* fullscreen_controller() const {
 472     return fullscreen_controller_.get();
 473   }
 474
 475   extensions::WindowController* extension_window_controller() const {
 476     return extension_window_controller_.get();
 477   }
 478
 479  private:
 480   friend class BrowserTest;
 481   friend class FullscreenControllerInteractiveTest;
 482   friend class FullscreenControllerTest;
 483   FRIEND_TEST_ALL_PREFIXES(AppModeTest, EnableAppModeTest);
 484   FRIEND_TEST_ALL_PREFIXES(BrowserCommandControllerTest,
 485                            IsReservedCommandOrKeyIsApp);
 486   FRIEND_TEST_ALL_PREFIXES(BrowserCommandControllerTest, AppFullScreen);
 487   FRIEND_TEST_ALL_PREFIXES(BrowserTest, NoTabsInPopups);
 488   FRIEND_TEST_ALL_PREFIXES(BrowserTest, ConvertTabToAppShortcut);
 489   FRIEND_TEST_ALL_PREFIXES(BrowserTest, OpenAppWindowLikeNtp);
 490   FRIEND_TEST_ALL_PREFIXES(BrowserTest, AppIdSwitch);
 491   FRIEND_TEST_ALL_PREFIXES(BrowserTest, ShouldShowLocationBar);
 492   FRIEND_TEST_ALL_PREFIXES(FullscreenControllerTest,
 493                            TabEntersPresentationModeFromWindowed);
 494   FRIEND_TEST_ALL_PREFIXES(FullscreenExitBubbleControllerTest,
 495                            DenyExitsFullscreen);
 496   FRIEND_TEST_ALL_PREFIXES(StartupBrowserCreatorTest, OpenAppShortcutNoPref);
 497   FRIEND_TEST_ALL_PREFIXES(StartupBrowserCreatorTest,
 498                            OpenAppShortcutWindowPref);
 499   FRIEND_TEST_ALL_PREFIXES(StartupBrowserCreatorTest, OpenAppShortcutTabPref);
 500
 501   class InterstitialObserver;
 502
 503   // Used to describe why a tab is being detached. This is used by
 504   // TabDetachedAtImpl.
 505   enum DetachType {
 506     // Result of TabDetachedAt.
 507     DETACH_TYPE_DETACH,
 508
 509     // Result of TabReplacedAt.
 510     DETACH_TYPE_REPLACE,
 511
 512     // Result of the tab strip not having any significant tabs.
 513     DETACH_TYPE_EMPTY
 514   };
 515
 516   // Describes where the bookmark bar state change originated from.
 517   enum BookmarkBarStateChangeReason {
 518     // From the constructor.
 519     BOOKMARK_BAR_STATE_CHANGE_INIT,
 520
 521     // Change is the result of the active tab changing.
 522     BOOKMARK_BAR_STATE_CHANGE_TAB_SWITCH,
 523
 524     // Change is the result of the bookmark bar pref changing.
 525     BOOKMARK_BAR_STATE_CHANGE_PREF_CHANGE,
 526
 527     // Change is the result of a state change in the active tab.
 528     BOOKMARK_BAR_STATE_CHANGE_TAB_STATE,
 529
 530     // Change is the result of window toggling in/out of fullscreen mode.
 531     BOOKMARK_BAR_STATE_CHANGE_TOGGLE_FULLSCREEN,
 532   };
 533
 534   // Overridden from content::WebContentsDelegate:
 535   virtual content::WebContents* OpenURLFromTab(
 536       content::WebContents* source,
 537       const content::OpenURLParams& params) OVERRIDE;
 538   virtual void NavigationStateChanged(const content::WebContents* source,
 539                                       unsigned changed_flags) OVERRIDE;
 540   virtual void AddNewContents(content::WebContents* source,
 541                               content::WebContents* new_contents,
 542                               WindowOpenDisposition disposition,
 543                               const gfx::Rect& initial_pos,
 544                               bool user_gesture,
 545                               bool* was_blocked) OVERRIDE;
 546   virtual void ActivateContents(content::WebContents* contents) OVERRIDE;
 547   virtual void DeactivateContents(content::WebContents* contents) OVERRIDE;
 548   virtual void LoadingStateChanged(content::WebContents* source,
 549                                    bool to_different_document) OVERRIDE;
 550   virtual void CloseContents(content::WebContents* source) OVERRIDE;
 551   virtual void MoveContents(content::WebContents* source,
 552                             const gfx::Rect& pos) OVERRIDE;
 553   virtual bool IsPopupOrPanel(
 554       const content::WebContents* source) const OVERRIDE;
 555   virtual void UpdateTargetURL(content::WebContents* source, int32 page_id,
 556                                const GURL& url) OVERRIDE;
 557   virtual void ContentsMouseEvent(content::WebContents* source,
 558                                   const gfx::Point& location,
 559                                   bool motion) OVERRIDE;
 560   virtual void ContentsZoomChange(bool zoom_in) OVERRIDE;
 561   virtual void WebContentsFocused(content::WebContents* content) OVERRIDE;
 562   virtual bool TakeFocus(content::WebContents* source, bool reverse) OVERRIDE;
 563   virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE;
 564   virtual void BeforeUnloadFired(content::WebContents* source,
 565                                  bool proceed,
 566                                  bool* proceed_to_fire_unload) OVERRIDE;
 567   virtual bool ShouldFocusLocationBarByDefault(
 568       content::WebContents* source) OVERRIDE;
 569   virtual void SetFocusToLocationBar(bool select_all) OVERRIDE;
 570   virtual int GetExtraRenderViewHeight() const OVERRIDE;
 571   virtual void ViewSourceForTab(content::WebContents* source,
 572                                 const GURL& page_url) OVERRIDE;
 573   virtual void ViewSourceForFrame(
 574       content::WebContents* source,
 575       const GURL& frame_url,
 576       const content::PageState& frame_page_state) OVERRIDE;
 577   virtual void ShowRepostFormWarningDialog(
 578       content::WebContents* source) OVERRIDE;
 579   virtual bool ShouldCreateWebContents(
 580       content::WebContents* web_contents,
 581       int route_id,
 582       WindowContainerType window_container_type,
 583       const base::string16& frame_name,
 584       const GURL& target_url,
 585       const std::string& partition_id,
 586       content::SessionStorageNamespace* session_storage_namespace) OVERRIDE;
 587   virtual void WebContentsCreated(content::WebContents* source_contents,
 588                                   int opener_render_frame_id,
 589                                   const base::string16& frame_name,
 590                                   const GURL& target_url,
 591                                   content::WebContents* new_contents) OVERRIDE;
 592   virtual void RendererUnresponsive(content::WebContents* source) OVERRIDE;
 593   virtual void RendererResponsive(content::WebContents* source) OVERRIDE;
 594   virtual void WorkerCrashed(content::WebContents* source) OVERRIDE;
 595   virtual void DidNavigateMainFramePostCommit(
 596       content::WebContents* web_contents) OVERRIDE;
 597   virtual void DidNavigateToPendingEntry(
 598       content::WebContents* web_contents) OVERRIDE;
 599   virtual content::JavaScriptDialogManager*
 600       GetJavaScriptDialogManager() OVERRIDE;
 601   virtual content::ColorChooser* OpenColorChooser(
 602       content::WebContents* web_contents,
 603       SkColor color,
 604       const std::vector<content::ColorSuggestion>& suggestions) OVERRIDE;
 605   virtual void RunFileChooser(
 606       content::WebContents* web_contents,
 607       const content::FileChooserParams& params) OVERRIDE;
 608   virtual void EnumerateDirectory(content::WebContents* web_contents,
 609                                   int request_id,
 610                                   const base::FilePath& path) OVERRIDE;
 611   virtual bool EmbedsFullscreenWidget() const OVERRIDE;
 612   virtual void ToggleFullscreenModeForTab(content::WebContents* web_contents,
 613       bool enter_fullscreen) OVERRIDE;
 614   virtual bool IsFullscreenForTabOrPending(
 615       const content::WebContents* web_contents) const OVERRIDE;
 616   virtual void RegisterProtocolHandler(content::WebContents* web_contents,
 617                                        const std::string& protocol,
 618                                        const GURL& url,
 619                                        bool user_gesture) OVERRIDE;
 620   virtual void UpdatePreferredSize(content::WebContents* source,
 621                                    const gfx::Size& pref_size) OVERRIDE;
 622   virtual void ResizeDueToAutoResize(content::WebContents* source,
 623                                      const gfx::Size& new_size) OVERRIDE;
 624   virtual void FindReply(content::WebContents* web_contents,
 625                          int request_id,
 626                          int number_of_matches,
 627                          const gfx::Rect& selection_rect,
 628                          int active_match_ordinal,
 629                          bool final_update) OVERRIDE;
 630   virtual void RequestToLockMouse(content::WebContents* web_contents,
 631                                   bool user_gesture,
 632                                   bool last_unlocked_by_target) OVERRIDE;
 633   virtual void LostMouseLock() OVERRIDE;
 634   virtual void RequestMediaAccessPermission(
 635       content::WebContents* web_contents,
 636       const content::MediaStreamRequest& request,
 637       const content::MediaResponseCallback& callback) OVERRIDE;
 638   virtual bool RequestPpapiBrokerPermission(
 639       content::WebContents* web_contents,
 640       const GURL& url,
 641       const base::FilePath& plugin_path,
 642       const base::Callback<void(bool)>& callback) OVERRIDE;
 643   virtual gfx::Size GetSizeForNewRenderView(
 644       content::WebContents* web_contents) const OVERRIDE;
 645
 646   // Overridden from CoreTabHelperDelegate:
 647   // Note that the caller is responsible for deleting |old_contents|.
 648   virtual void SwapTabContents(content::WebContents* old_contents,
 649                                content::WebContents* new_contents,
 650                                bool did_start_load,
 651                                bool did_finish_load) OVERRIDE;
 652   virtual bool CanReloadContents(
 653       content::WebContents* web_contents) const OVERRIDE;
 654   virtual bool CanSaveContents(
 655       content::WebContents* web_contents) const OVERRIDE;
 656
 657   // Overridden from SearchEngineTabHelperDelegate:
 658   virtual void ConfirmAddSearchProvider(TemplateURL* template_url,
 659                                         Profile* profile) OVERRIDE;
 660
 661   // Overridden from SearchTabHelperDelegate:
 662   virtual void NavigateOnThumbnailClick(
 663       const GURL& url,
 664       WindowOpenDisposition disposition,
 665       content::WebContents* source_contents) OVERRIDE;
 666   virtual void OnWebContentsInstantSupportDisabled(
 667       const content::WebContents* web_contents) OVERRIDE;
 668   virtual OmniboxView* GetOmniboxView() OVERRIDE;
 669   virtual std::set<std::string> GetOpenUrls() OVERRIDE;
 670
 671   // Overridden from WebContentsModalDialogManagerDelegate:
 672   virtual void SetWebContentsBlocked(content::WebContents* web_contents,
 673                                      bool blocked) OVERRIDE;
 674   virtual web_modal::WebContentsModalDialogHost*
 675       GetWebContentsModalDialogHost() OVERRIDE;
 676
 677   // Overridden from BookmarkTabHelperDelegate:
 678   virtual void URLStarredChanged(content::WebContents* web_contents,
 679                                  bool starred) OVERRIDE;
 680
 681   // Overridden from ZoomObserver:
 682   virtual void OnZoomChanged(content::WebContents* source,
 683                              bool can_show_bubble) OVERRIDE;
 684
 685   // Overridden from SelectFileDialog::Listener:
 686   virtual void FileSelected(const base::FilePath& path,
 687                             int index,
 688                             void* params) OVERRIDE;
 689   virtual void FileSelectedWithExtraInfo(
 690       const ui::SelectedFileInfo& file_info,
 691       int index,
 692       void* params) OVERRIDE;
 693
 694   // Overridden from content::NotificationObserver:
 695   virtual void Observe(int type,
 696                        const content::NotificationSource& source,
 697                        const content::NotificationDetails& details) OVERRIDE;
 698
 699   // Command and state updating ///////////////////////////////////////////////
 700
 701   // Handle changes to kDevTools preference.
 702   void OnDevToolsDisabledChanged();
 703
 704   // UI update coalescing and handling ////////////////////////////////////////
 705
 706   // Asks the toolbar (and as such the location bar) to update its state to
 707   // reflect the current tab's current URL, security state, etc.
 708   // If |should_restore_state| is true, we're switching (back?) to this tab and
 709   // should restore any previous location bar state (such as user editing) as
 710   // well.
 711   void UpdateToolbar(bool should_restore_state);
 712
 713   // Does one or both of the following for each bit in |changed_flags|:
 714   // . If the update should be processed immediately, it is.
 715   // . If the update should processed asynchronously (to avoid lots of ui
 716   //   updates), then scheduled_updates_ is updated for the |source| and update
 717   //   pair and a task is scheduled (assuming it isn't running already)
 718   //   that invokes ProcessPendingUIUpdates.
 719   void ScheduleUIUpdate(const content::WebContents* source,
 720                         unsigned changed_flags);
 721
 722   // Processes all pending updates to the UI that have been scheduled by
 723   // ScheduleUIUpdate in scheduled_updates_.
 724   void ProcessPendingUIUpdates();
 725
 726   // Removes all entries from scheduled_updates_ whose source is contents.
 727   void RemoveScheduledUpdatesFor(content::WebContents* contents);
 728
 729   // Getters for UI ///////////////////////////////////////////////////////////
 730
 731   // TODO(beng): remove, and provide AutomationProvider a better way to access
 732   //             the LocationBarView's edit.
 733   friend class AutomationProvider;
 734   friend class BrowserProxy;
 735   friend class TestingAutomationProvider;
 736
 737   // Returns the StatusBubble from the current toolbar. It is possible for
 738   // this to return NULL if called before the toolbar has initialized.
 739   // TODO(beng): remove this.
 740   StatusBubble* GetStatusBubble();
 741
 742   // Session restore functions ////////////////////////////////////////////////
 743
 744   // Notifies the history database of the index for all tabs whose index is
 745   // >= index.
 746   void SyncHistoryWithTabs(int index);
 747
 748   // In-progress download termination handling /////////////////////////////////
 749
 750   // Called when the window is closing to check if potential in-progress
 751   // downloads should prevent it from closing.
 752   // Returns true if the window can close, false otherwise.
 753   bool CanCloseWithInProgressDownloads();
 754
 755   // Assorted utility functions ///////////////////////////////////////////////
 756
 757   // Sets the specified browser as the delegate of the WebContents and all the
 758   // associated tab helpers that are needed.
 759   void SetAsDelegate(content::WebContents* web_contents, Browser* delegate);
 760
 761   // Shows the Find Bar, optionally selecting the next entry that matches the
 762   // existing search string for that Tab. |forward_direction| controls the
 763   // search direction.
 764   void FindInPage(bool find_next, bool forward_direction);
 765
 766   // Closes the frame.
 767   // TODO(beng): figure out if we need this now that the frame itself closes
 768   //             after a return to the message loop.
 769   void CloseFrame();
 770
 771   void TabDetachedAtImpl(content::WebContents* contents,
 772                          int index,
 773                          DetachType type);
 774
 775   // Shared code between Reload() and ReloadIgnoringCache().
 776   void ReloadInternal(WindowOpenDisposition disposition, bool ignore_cache);
 777
 778   // Returns true if the Browser window should show the location bar.
 779   bool ShouldShowLocationBar() const;
 780
 781   // Implementation of SupportsWindowFeature and CanSupportWindowFeature. If
 782   // |check_fullscreen| is true, the set of features reflect the actual state of
 783   // the browser, otherwise the set of features reflect the possible state of
 784   // the browser.
 785   bool SupportsWindowFeatureImpl(WindowFeature feature,
 786                                  bool check_fullscreen) const;
 787
 788   // Resets |bookmark_bar_state_| based on the active tab. Notifies the
 789   // BrowserWindow if necessary.
 790   void UpdateBookmarkBarState(BookmarkBarStateChangeReason reason);
 791
 792   bool ShouldHideUIForFullscreen() const;
 793
 794   // Creates a BackgroundContents if appropriate; return true if one was
 795   // created.
 796   bool MaybeCreateBackgroundContents(
 797       int route_id,
 798       content::WebContents* opener_web_contents,
 799       const base::string16& frame_name,
 800       const GURL& target_url,
 801       const std::string& partition_id,
 802       content::SessionStorageNamespace* session_storage_namespace);
 803
 804   // Data members /////////////////////////////////////////////////////////////
 805
 806   std::vector<InterstitialObserver*> interstitial_observers_;
 807
 808   content::NotificationRegistrar registrar_;
 809
 810   PrefChangeRegistrar profile_pref_registrar_;
 811
 812   // This Browser's type.
 813   const Type type_;
 814
 815   // This Browser's profile.
 816   Profile* const profile_;
 817
 818   // This Browser's window.
 819   BrowserWindow* window_;
 820
 821   scoped_ptr<TabStripModelDelegate> tab_strip_model_delegate_;
 822   scoped_ptr<TabStripModel> tab_strip_model_;
 823
 824   // The application name that is also the name of the window to the shell.
 825   // This name should be set when:
 826   // 1) we launch an application via an application shortcut or extension API.
 827   // 2) we launch an undocked devtool window.
 828   std::string app_name_;
 829
 830   // True if the source is trusted (i.e. we do not need to show the URL in a
 831   // a popup window). Also used to determine which app windows to save and
 832   // restore on Chrome OS.
 833   bool is_trusted_source_;
 834
 835   // Unique identifier of this browser for session restore. This id is only
 836   // unique within the current session, and is not guaranteed to be unique
 837   // across sessions.
 838   const SessionID session_id_;
 839
 840   // The model for the toolbar view.
 841   scoped_ptr<ToolbarModel> toolbar_model_;
 842
 843   // The model for the "active" search state.  There are per-tab search models
 844   // as well.  When a tab is active its model is kept in sync with this one.
 845   // When a new tab is activated its model state is propagated to this active
 846   // model.  This way, observers only have to attach to this single model for
 847   // updates, and don't have to worry about active tab changes directly.
 848   scoped_ptr<SearchModel> search_model_;
 849
 850   // UI update coalescing and handling ////////////////////////////////////////
 851
 852   typedef std::map<const content::WebContents*, int> UpdateMap;
 853
 854   // Maps from WebContents to pending UI updates that need to be processed.
 855   // We don't update things like the URL or tab title right away to avoid
 856   // flickering and extra painting.
 857   // See ScheduleUIUpdate and ProcessPendingUIUpdates.
 858   UpdateMap scheduled_updates_;
 859
 860   // In-progress download termination handling /////////////////////////////////
 861
 862   enum CancelDownloadConfirmationState {
 863     NOT_PROMPTED,          // We have not asked the user.
 864     WAITING_FOR_RESPONSE,  // We have asked the user and have not received a
 865                            // reponse yet.
 866     RESPONSE_RECEIVED      // The user was prompted and made a decision already.
 867   };
 868
 869   // State used to figure-out whether we should prompt the user for confirmation
 870   // when the browser is closed with in-progress downloads.
 871   CancelDownloadConfirmationState cancel_download_confirmation_state_;
 872
 873   /////////////////////////////////////////////////////////////////////////////
 874
 875   // Override values for the bounds of the window and its maximized or minimized
 876   // state.
 877   // These are supplied by callers that don't want to use the default values.
 878   // The default values are typically loaded from local state (last session),
 879   // obtained from the last window of the same type, or obtained from the
 880   // shell shortcut's startup info.
 881   gfx::Rect override_bounds_;
 882   ui::WindowShowState initial_show_state_;
 883
 884   // Tracks when this browser is being created by session restore.
 885   bool is_session_restore_;
 886
 887   const chrome::HostDesktopType host_desktop_type_;
 888
 889   scoped_ptr<chrome::UnloadController> unload_controller_;
 890   scoped_ptr<chrome::FastUnloadController> fast_unload_controller_;
 891
 892   // The Find Bar. This may be NULL if there is no Find Bar, and if it is
 893   // non-NULL, it may or may not be visible.
 894   scoped_ptr<FindBarController> find_bar_controller_;
 895
 896   // Dialog box used for opening and saving files.
 897   scoped_refptr<ui::SelectFileDialog> select_file_dialog_;
 898
 899   // Keep track of the encoding auto detect pref.
 900   BooleanPrefMember encoding_auto_detect_;
 901
 902   // Helper which implements the ContentSettingBubbleModel interface.
 903   scoped_ptr<BrowserContentSettingBubbleModelDelegate>
 904       content_setting_bubble_model_delegate_;
 905
 906   // Helper which implements the ToolbarModelDelegate interface.
 907   scoped_ptr<BrowserToolbarModelDelegate> toolbar_model_delegate_;
 908
 909   // A delegate that handles the details of updating the "active"
 910   // |search_model_| state with the tab's state.
 911   scoped_ptr<SearchDelegate> search_delegate_;
 912
 913   // Helper which implements the TabRestoreServiceDelegate interface.
 914   scoped_ptr<BrowserTabRestoreServiceDelegate> tab_restore_service_delegate_;
 915
 916   // Helper which implements the SyncedWindowDelegate interface.
 917   scoped_ptr<BrowserSyncedWindowDelegate> synced_window_delegate_;
 918
 919   scoped_ptr<BrowserInstantController> instant_controller_;
 920
 921   BookmarkBar::State bookmark_bar_state_;
 922
 923   scoped_ptr<FullscreenController> fullscreen_controller_;
 924
 925   scoped_ptr<extensions::WindowController> extension_window_controller_;
 926
 927   scoped_ptr<chrome::BrowserCommandController> command_controller_;
 928
 929   // True if the browser window has been shown at least once.
 930   bool window_has_shown_;
 931
 932   // The following factory is used for chrome update coalescing.
 933   base::WeakPtrFactory<Browser> chrome_updater_factory_;
 934
 935   // The following factory is used to close the frame at a later time.
 936   base::WeakPtrFactory<Browser> weak_factory_;
 937
 938   scoped_ptr<BrowserContentTranslateDriverObserver> translate_driver_observer_;
 939
 940   scoped_ptr<chrome::ValidationMessageBubble> validation_message_bubble_;
 941
 942   DISALLOW_COPY_AND_ASSIGN(Browser);
 943 };
 944
 945 #endif  // CHROME_BROWSER_UI_BROWSER_H_