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      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_VIEWS_FRAME_BROWSER_VIEW_H_
      6 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_
      7 
      8 #include <map>
      9 #include <string>
     10 #include <vector>
     11 
     12 #include "base/compiler_specific.h"
     13 #include "base/memory/scoped_ptr.h"
     14 #include "base/timer/timer.h"
     15 #include "build/build_config.h"
     16 #include "chrome/browser/devtools/devtools_window.h"
     17 #include "chrome/browser/signin/signin_header_helper.h"
     18 #include "chrome/browser/ui/browser.h"
     19 #include "chrome/browser/ui/browser_window.h"
     20 #include "chrome/browser/ui/omnibox/omnibox_popup_model_observer.h"
     21 #include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
     22 #include "chrome/browser/ui/views/frame/browser_frame.h"
     23 #include "chrome/browser/ui/views/frame/contents_web_view.h"
     24 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
     25 #include "chrome/browser/ui/views/frame/scroll_end_effect_controller.h"
     26 #include "chrome/browser/ui/views/frame/web_contents_close_handler.h"
     27 #include "chrome/browser/ui/views/load_complete_listener.h"
     28 #include "components/infobars/core/infobar_container.h"
     29 #include "ui/base/accelerators/accelerator.h"
     30 #include "ui/base/models/simple_menu_model.h"
     31 #include "ui/gfx/native_widget_types.h"
     32 #include "ui/views/controls/button/button.h"
     33 #include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
     34 #include "ui/views/widget/widget_delegate.h"
     35 #include "ui/views/widget/widget_observer.h"
     36 #include "ui/views/window/client_view.h"
     37 
     38 #if defined(OS_WIN)
     39 #include "chrome/browser/hang_monitor/hung_plugin_action.h"
     40 #include "chrome/browser/hang_monitor/hung_window_detector.h"
     41 #endif
     42 
     43 // NOTE: For more information about the objects and files in this directory,
     44 // view: http://dev.chromium.org/developers/design-documents/browser-window
     45 
     46 class BookmarkBarView;
     47 class Browser;
     48 class BrowserViewLayout;
     49 class ContentsLayoutManager;
     50 class DownloadShelfView;
     51 class FullscreenExitBubbleViews;
     52 class InfoBarContainerView;
     53 class LocationBarView;
     54 class PermissionBubbleViewViews;
     55 class StatusBubbleViews;
     56 class SearchViewController;
     57 class TabStrip;
     58 class TabStripModel;
     59 class ToolbarView;
     60 class TopContainerView;
     61 class WebContentsCloseHandler;
     62 
     63 #if defined(OS_WIN)
     64 class JumpList;
     65 #endif
     66 
     67 namespace autofill {
     68 class PasswordGenerator;
     69 }
     70 
     71 namespace content {
     72 class RenderFrameHost;
     73 }
     74 
     75 namespace extensions {
     76 class Extension;
     77 }
     78 
     79 namespace views {
     80 class AccessiblePaneView;
     81 class ExternalFocusTracker;
     82 class WebView;
     83 }
     84 
     85 ///////////////////////////////////////////////////////////////////////////////
     86 // BrowserView
     87 //
     88 //  A ClientView subclass that provides the contents of a browser window,
     89 //  including the TabStrip, toolbars, download shelves, the content area etc.
     90 //
     91 class BrowserView : public BrowserWindow,
     92                     public BrowserWindowTesting,
     93                     public TabStripModelObserver,
     94                     public ui::AcceleratorProvider,
     95                     public views::WidgetDelegate,
     96                     public views::WidgetObserver,
     97                     public views::ClientView,
     98                     public infobars::InfoBarContainer::Delegate,
     99                     public LoadCompleteListener::Delegate,
    100                     public OmniboxPopupModelObserver {
    101  public:
    102   // The browser view's class name.
    103   static const char kViewClassName[];
    104 
    105   BrowserView();
    106   virtual ~BrowserView();
    107 
    108   // Takes ownership of |browser|.
    109   void Init(Browser* browser);
    110 
    111   void set_frame(BrowserFrame* frame) { frame_ = frame; }
    112   BrowserFrame* frame() const { return frame_; }
    113 
    114   // Returns a pointer to the BrowserView* interface implementation (an
    115   // instance of this object, typically) for a given native window, or NULL if
    116   // there is no such association.
    117   //
    118   // Don't use this unless you only have a NativeWindow. In nearly all
    119   // situations plumb through browser and use it.
    120   static BrowserView* GetBrowserViewForNativeWindow(gfx::NativeWindow window);
    121 
    122   // Returns the BrowserView used for the specified Browser.
    123   static BrowserView* GetBrowserViewForBrowser(const Browser* browser);
    124 
    125   // Returns a Browser instance of this view.
    126   Browser* browser() { return browser_.get(); }
    127   const Browser* browser() const { return browser_.get(); }
    128 
    129   // Initializes (or re-initializes) the status bubble.  We try to only create
    130   // the bubble once and re-use it for the life of the browser, but certain
    131   // events (such as changing enabling/disabling Aero on Win) can force a need
    132   // to change some of the bubble's creation parameters.
    133   void InitStatusBubble();
    134 
    135   // Initializes the permission bubble view. This class is intended to be
    136   // created once and then re-used for the life of the browser window. The
    137   // bubbles it creates will be associated with a single visible tab.
    138   void InitPermissionBubbleView();
    139 
    140   // Returns the apparent bounds of the toolbar, in BrowserView coordinates.
    141   // These differ from |toolbar_.bounds()| in that they match where the toolbar
    142   // background image is drawn -- slightly outside the "true" bounds
    143   // horizontally. Note that this returns the bounds for the toolbar area.
    144   gfx::Rect GetToolbarBounds() const;
    145 
    146   // Returns the constraining bounding box that should be used to lay out the
    147   // FindBar within. This is _not_ the size of the find bar, just the bounding
    148   // box it should be laid out within. The coordinate system of the returned
    149   // rect is in the coordinate system of the frame, since the FindBar is a child
    150   // window.
    151   gfx::Rect GetFindBarBoundingBox() const;
    152 
    153   // Returns the preferred height of the TabStrip. Used to position the OTR
    154   // avatar icon.
    155   int GetTabStripHeight() const;
    156 
    157   // Takes some view's origin (relative to this BrowserView) and offsets it such
    158   // that it can be used as the source origin for seamlessly tiling the toolbar
    159   // background image over that view.
    160   gfx::Point OffsetPointForToolbarBackgroundImage(
    161       const gfx::Point& point) const;
    162 
    163   // Container for the tabstrip, toolbar, etc.
    164   TopContainerView* top_container() { return top_container_; }
    165 
    166   // Accessor for the TabStrip.
    167   TabStrip* tabstrip() { return tabstrip_; }
    168 
    169   // Accessor for the Toolbar.
    170   ToolbarView* toolbar() { return toolbar_; }
    171 
    172   // Bookmark bar may be NULL, for example for pop-ups.
    173   BookmarkBarView* bookmark_bar() { return bookmark_bar_view_.get(); }
    174 
    175   // Returns the do-nothing view which controls the z-order of the find bar
    176   // widget relative to views which paint into layers and views which have an
    177   // associated NativeView. The presence / visibility of this view is not
    178   // indicative of the visibility of the find bar widget or even whether
    179   // FindBarController is initialized.
    180   View* find_bar_host_view() { return find_bar_host_view_; }
    181 
    182   // Accessor for the InfobarContainer.
    183   InfoBarContainerView* infobar_container() { return infobar_container_; }
    184 
    185   // Accessor for the FullscreenExitBubbleViews.
    186   FullscreenExitBubbleViews* fullscreen_exit_bubble() {
    187     return fullscreen_bubble_.get();
    188   }
    189 
    190   // Returns true if various window components are visible.
    191   bool IsTabStripVisible() const;
    192 
    193   // Returns true if the profile associated with this Browser window is
    194   // incognito.
    195   bool IsOffTheRecord() const;
    196 
    197   // Returns true if the profile associated with this Browser window is
    198   // a guest session.
    199   bool IsGuestSession() const;
    200 
    201   // Returns true if the profile associated with this Browser window is
    202   // not off the record or a guest session.
    203   bool IsRegularOrGuestSession() const;
    204 
    205   // Returns true if the non-client view should render an avatar icon.
    206   bool ShouldShowAvatar() const;
    207 
    208   // Provides the containing frame with the accelerator for the specified
    209   // command id. This can be used to provide menu item shortcut hints etc.
    210   // Returns true if an accelerator was found for the specified |cmd_id|, false
    211   // otherwise.
    212   bool GetAccelerator(int cmd_id, ui::Accelerator* accelerator) const;
    213 
    214   // Returns true if the specificed |accelerator| is registered with this view.
    215   bool IsAcceleratorRegistered(const ui::Accelerator& accelerator);
    216 
    217   // Returns the active WebContents. Used by our NonClientView's
    218   // TabIconView::TabContentsProvider implementations.
    219   // TODO(beng): exposing this here is a bit bogus, since it's only used to
    220   // determine loading state. It'd be nicer if we could change this to be
    221   // bool IsSelectedTabLoading() const; or something like that. We could even
    222   // move it to a WindowDelegate subclass.
    223   content::WebContents* GetActiveWebContents() const;
    224 
    225   // Retrieves the icon to use in the frame to indicate an OTR window.
    226   gfx::ImageSkia GetOTRAvatarIcon() const;
    227 
    228   // Returns true if the Browser object associated with this BrowserView is a
    229   // tabbed-type window (i.e. a browser window, not an app or popup).
    230   bool IsBrowserTypeNormal() const {
    231     return browser_->is_type_tabbed();
    232   }
    233 
    234   // See ImmersiveModeController for description.
    235   ImmersiveModeController* immersive_mode_controller() const {
    236     return immersive_mode_controller_.get();
    237   }
    238 
    239   // Restores the focused view. This is also used to set the initial focus
    240   // when a new browser window is created.
    241   void RestoreFocus();
    242 
    243   // Called after the widget's fullscreen state is changed without going through
    244   // FullscreenController. This method does any processing which was skipped.
    245   // Only exiting fullscreen in this way is currently supported.
    246   void FullscreenStateChanged();
    247 
    248   // Called from BookmarkBarView/DownloadShelfView during their show/hide
    249   // animations.
    250   void ToolbarSizeChanged(bool is_animating);
    251 
    252   // Overridden from BrowserWindow:
    253   virtual void Show() OVERRIDE;
    254   virtual void ShowInactive() OVERRIDE;
    255   virtual void Hide() OVERRIDE;
    256   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
    257   virtual void Close() OVERRIDE;
    258   virtual void Activate() OVERRIDE;
    259   virtual void Deactivate() OVERRIDE;
    260   virtual bool IsActive() const OVERRIDE;
    261   virtual void FlashFrame(bool flash) OVERRIDE;
    262   virtual bool IsAlwaysOnTop() const OVERRIDE;
    263   virtual void SetAlwaysOnTop(bool always_on_top) OVERRIDE;
    264   virtual gfx::NativeWindow GetNativeWindow() OVERRIDE;
    265   virtual BrowserWindowTesting* GetBrowserWindowTesting() OVERRIDE;
    266   virtual StatusBubble* GetStatusBubble() OVERRIDE;
    267   virtual void UpdateTitleBar() OVERRIDE;
    268   virtual void BookmarkBarStateChanged(
    269       BookmarkBar::AnimateChangeType change_type) OVERRIDE;
    270   virtual void UpdateDevTools() OVERRIDE;
    271   virtual void UpdateLoadingAnimations(bool should_animate) OVERRIDE;
    272   virtual void SetStarredState(bool is_starred) OVERRIDE;
    273   virtual void SetTranslateIconToggled(bool is_lit) OVERRIDE;
    274   virtual void OnActiveTabChanged(content::WebContents* old_contents,
    275                                   content::WebContents* new_contents,
    276                                   int index,
    277                                   int reason) OVERRIDE;
    278   virtual void ZoomChangedForActiveTab(bool can_show_bubble) OVERRIDE;
    279   virtual gfx::Rect GetRestoredBounds() const OVERRIDE;
    280   virtual ui::WindowShowState GetRestoredState() const OVERRIDE;
    281   virtual gfx::Rect GetBounds() const OVERRIDE;
    282   virtual bool IsMaximized() const OVERRIDE;
    283   virtual bool IsMinimized() const OVERRIDE;
    284   virtual void Maximize() OVERRIDE;
    285   virtual void Minimize() OVERRIDE;
    286   virtual void Restore() OVERRIDE;
    287   virtual void EnterFullscreen(
    288       const GURL& url, FullscreenExitBubbleType bubble_type) OVERRIDE;
    289   virtual void ExitFullscreen() OVERRIDE;
    290   virtual void UpdateFullscreenExitBubbleContent(
    291       const GURL& url,
    292       FullscreenExitBubbleType bubble_type) OVERRIDE;
    293   virtual bool ShouldHideUIForFullscreen() const OVERRIDE;
    294   virtual bool IsFullscreen() const OVERRIDE;
    295   virtual bool IsFullscreenBubbleVisible() const OVERRIDE;
    296 #if defined(OS_WIN)
    297   virtual void SetMetroSnapMode(bool enable) OVERRIDE;
    298   virtual bool IsInMetroSnapMode() const OVERRIDE;
    299 #endif
    300   virtual LocationBar* GetLocationBar() const OVERRIDE;
    301   virtual void SetFocusToLocationBar(bool select_all) OVERRIDE;
    302   virtual void UpdateReloadStopState(bool is_loading, bool force) OVERRIDE;
    303   virtual void UpdateToolbar(content::WebContents* contents) OVERRIDE;
    304   virtual void FocusToolbar() OVERRIDE;
    305   virtual void FocusAppMenu() OVERRIDE;
    306   virtual void FocusBookmarksToolbar() OVERRIDE;
    307   virtual void FocusInfobars() OVERRIDE;
    308   virtual void RotatePaneFocus(bool forwards) OVERRIDE;
    309   virtual void DestroyBrowser() OVERRIDE;
    310   virtual bool IsBookmarkBarVisible() const OVERRIDE;
    311   virtual bool IsBookmarkBarAnimating() const OVERRIDE;
    312   virtual bool IsTabStripEditable() const OVERRIDE;
    313   virtual bool IsToolbarVisible() const OVERRIDE;
    314   virtual gfx::Rect GetRootWindowResizerRect() const OVERRIDE;
    315   virtual void ConfirmAddSearchProvider(TemplateURL* template_url,
    316                                         Profile* profile) OVERRIDE;
    317   virtual void ShowUpdateChromeDialog() OVERRIDE;
    318   virtual void ShowBookmarkBubble(const GURL& url,
    319                                   bool already_bookmarked) OVERRIDE;
    320   virtual void ShowBookmarkAppBubble(
    321       const WebApplicationInfo& web_app_info,
    322       const std::string& extension_id) OVERRIDE;
    323   virtual void ShowTranslateBubble(content::WebContents* contents,
    324                                    translate::TranslateStep step,
    325                                    TranslateErrors::Type error_type) OVERRIDE;
    326 #if defined(ENABLE_ONE_CLICK_SIGNIN)
    327   virtual void ShowOneClickSigninBubble(
    328       OneClickSigninBubbleType type,
    329       const base::string16& email,
    330       const base::string16& error_message,
    331       const StartSyncCallback& start_sync_callback) OVERRIDE;
    332 #endif
    333   // TODO(beng): Not an override, move somewhere else.
    334   void SetDownloadShelfVisible(bool visible);
    335   virtual bool IsDownloadShelfVisible() const OVERRIDE;
    336   virtual DownloadShelf* GetDownloadShelf() OVERRIDE;
    337   virtual void ConfirmBrowserCloseWithPendingDownloads(
    338       int download_count,
    339       Browser::DownloadClosePreventionType dialog_type,
    340       bool app_modal,
    341       const base::Callback<void(bool)>& callback) OVERRIDE;
    342   virtual void UserChangedTheme() OVERRIDE;
    343   virtual int GetExtraRenderViewHeight() const OVERRIDE;
    344   virtual void WebContentsFocused(content::WebContents* contents) OVERRIDE;
    345   virtual void ShowWebsiteSettings(Profile* profile,
    346                                    content::WebContents* web_contents,
    347                                    const GURL& url,
    348                                    const content::SSLStatus& ssl) OVERRIDE;
    349   virtual void ShowAppMenu() OVERRIDE;
    350   virtual bool PreHandleKeyboardEvent(
    351       const content::NativeWebKeyboardEvent& event,
    352       bool* is_keyboard_shortcut) OVERRIDE;
    353   virtual void HandleKeyboardEvent(
    354       const content::NativeWebKeyboardEvent& event) OVERRIDE;
    355   virtual void Cut() OVERRIDE;
    356   virtual void Copy() OVERRIDE;
    357   virtual void Paste() OVERRIDE;
    358   virtual WindowOpenDisposition GetDispositionForPopupBounds(
    359       const gfx::Rect& bounds) OVERRIDE;
    360   virtual FindBar* CreateFindBar() OVERRIDE;
    361   virtual web_modal::WebContentsModalDialogHost*
    362       GetWebContentsModalDialogHost() OVERRIDE;
    363   virtual void ShowAvatarBubble(content::WebContents* web_contents,
    364                                 const gfx::Rect& rect) OVERRIDE;
    365   virtual void ShowAvatarBubbleFromAvatarButton(AvatarBubbleMode mode,
    366       const signin::ManageAccountsParams& manage_accounts_params) OVERRIDE;
    367   virtual void ShowPasswordGenerationBubble(
    368       const gfx::Rect& rect,
    369       const autofill::PasswordForm& form,
    370       autofill::PasswordGenerator* password_generator) OVERRIDE;
    371   virtual void OverscrollUpdate(int delta_y) OVERRIDE;
    372   virtual int GetRenderViewHeightInsetWithDetachedBookmarkBar() OVERRIDE;
    373   virtual void ExecuteExtensionCommand(
    374       const extensions::Extension* extension,
    375       const extensions::Command& command) OVERRIDE;
    376   virtual void ShowPageActionPopup(
    377       const extensions::Extension* extension) OVERRIDE;
    378   virtual void ShowBrowserActionPopup(
    379       const extensions::Extension* extension) OVERRIDE;
    380 
    381   // Overridden from BrowserWindowTesting:
    382   virtual BookmarkBarView* GetBookmarkBarView() const OVERRIDE;
    383   virtual LocationBarView* GetLocationBarView() const OVERRIDE;
    384   virtual views::View* GetTabContentsContainerView() const OVERRIDE;
    385   virtual ToolbarView* GetToolbarView() const OVERRIDE;
    386 
    387   // Overridden from TabStripModelObserver:
    388   virtual void TabInsertedAt(content::WebContents* contents,
    389                              int index,
    390                              bool foreground) OVERRIDE;
    391   virtual void TabDetachedAt(content::WebContents* contents,
    392                              int index) OVERRIDE;
    393   virtual void TabDeactivated(content::WebContents* contents) OVERRIDE;
    394   virtual void TabStripEmpty() OVERRIDE;
    395   virtual void WillCloseAllTabs() OVERRIDE;
    396   virtual void CloseAllTabsCanceled() OVERRIDE;
    397 
    398   // Overridden from ui::AcceleratorProvider:
    399   virtual bool GetAcceleratorForCommandId(int command_id,
    400       ui::Accelerator* accelerator) OVERRIDE;
    401 
    402   // Overridden from views::WidgetDelegate:
    403   virtual bool CanResize() const OVERRIDE;
    404   virtual bool CanMaximize() const OVERRIDE;
    405   virtual bool CanActivate() const OVERRIDE;
    406   virtual base::string16 GetWindowTitle() const OVERRIDE;
    407   virtual base::string16 GetAccessibleWindowTitle() const OVERRIDE;
    408   virtual views::View* GetInitiallyFocusedView() OVERRIDE;
    409   virtual bool ShouldShowWindowTitle() const OVERRIDE;
    410   virtual gfx::ImageSkia GetWindowAppIcon() OVERRIDE;
    411   virtual gfx::ImageSkia GetWindowIcon() OVERRIDE;
    412   virtual bool ShouldShowWindowIcon() const OVERRIDE;
    413   virtual bool ExecuteWindowsCommand(int command_id) OVERRIDE;
    414   virtual std::string GetWindowName() const OVERRIDE;
    415   virtual void SaveWindowPlacement(const gfx::Rect& bounds,
    416                                    ui::WindowShowState show_state) OVERRIDE;
    417   virtual bool GetSavedWindowPlacement(
    418       const views::Widget* widget,
    419       gfx::Rect* bounds,
    420       ui::WindowShowState* show_state) const OVERRIDE;
    421   virtual views::View* GetContentsView() OVERRIDE;
    422   virtual views::ClientView* CreateClientView(views::Widget* widget) OVERRIDE;
    423   virtual void OnWindowBeginUserBoundsChange() OVERRIDE;
    424   virtual void OnWidgetMove() OVERRIDE;
    425   virtual views::Widget* GetWidget() OVERRIDE;
    426   virtual const views::Widget* GetWidget() const OVERRIDE;
    427   virtual void GetAccessiblePanes(std::vector<View*>* panes) OVERRIDE;
    428 
    429   // Overridden from views::WidgetObserver:
    430   virtual void OnWidgetActivationChanged(views::Widget* widget,
    431                                          bool active) OVERRIDE;
    432 
    433   // Overridden from views::ClientView:
    434   virtual bool CanClose() OVERRIDE;
    435   virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
    436   virtual gfx::Size GetMinimumSize() const OVERRIDE;
    437 
    438   // InfoBarContainer::Delegate overrides
    439   virtual SkColor GetInfoBarSeparatorColor() const OVERRIDE;
    440   virtual void InfoBarContainerStateChanged(bool is_animating) OVERRIDE;
    441   virtual bool DrawInfoBarArrows(int* x) const OVERRIDE;
    442 
    443   // Overridden from views::View:
    444   virtual const char* GetClassName() const OVERRIDE;
    445   virtual void Layout() OVERRIDE;
    446   virtual void PaintChildren(gfx::Canvas* canvas,
    447                              const views::CullSet& cull_set) OVERRIDE;
    448   virtual void ViewHierarchyChanged(
    449       const ViewHierarchyChangedDetails& details) OVERRIDE;
    450   virtual void ChildPreferredSizeChanged(View* child) OVERRIDE;
    451   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
    452   virtual void OnNativeThemeChanged(const ui::NativeTheme* theme) OVERRIDE;
    453 
    454   // Overridden from ui::AcceleratorTarget:
    455   virtual bool AcceleratorPressed(const ui::Accelerator& accelerator) OVERRIDE;
    456 
    457   // OmniboxPopupModelObserver overrides
    458   virtual void OnOmniboxPopupShownOrHidden() OVERRIDE;
    459 
    460   // Testing interface:
    461   views::View* GetContentsContainerForTest() { return contents_container_; }
    462   views::WebView* GetContentsWebViewForTest() { return contents_web_view_; }
    463   views::WebView* GetDevToolsWebViewForTest() { return devtools_web_view_; }
    464 
    465  private:
    466   // Do not friend BrowserViewLayout. Use the BrowserViewLayoutDelegate
    467   // interface to keep these two classes decoupled and testable.
    468   friend class BrowserViewLayoutDelegateImpl;
    469   FRIEND_TEST_ALL_PREFIXES(BrowserViewTest, BrowserView);
    470   FRIEND_TEST_ALL_PREFIXES(BrowserViewsAccessibilityTest,
    471                            TestAboutChromeViewAccObj);
    472 
    473   enum FullscreenMode {
    474     NORMAL_FULLSCREEN,
    475     METRO_SNAP_FULLSCREEN
    476   };
    477 
    478   // Appends to |toolbars| a pointer to each AccessiblePaneView that
    479   // can be traversed using F6, in the order they should be traversed.
    480   void GetAccessiblePanes(std::vector<views::AccessiblePaneView*>* panes);
    481 
    482   // Constructs and initializes the child views.
    483   void InitViews();
    484 
    485   // Callback for the loading animation(s) associated with this view.
    486   void LoadingAnimationCallback();
    487 
    488   // LoadCompleteListener::Delegate implementation. Creates and initializes the
    489   // |jumplist_| after the first page load.
    490   virtual void OnLoadCompleted() OVERRIDE;
    491 
    492   // Returns the BrowserViewLayout.
    493   BrowserViewLayout* GetBrowserViewLayout() const;
    494 
    495   // Returns the ContentsLayoutManager.
    496   ContentsLayoutManager* GetContentsLayoutManager() const;
    497 
    498   // Prepare to show the Bookmark Bar for the specified WebContents.
    499   // Returns true if the Bookmark Bar can be shown (i.e. it's supported for this
    500   // Browser type) and there should be a subsequent re-layout to show it.
    501   // |contents| can be NULL.
    502   bool MaybeShowBookmarkBar(content::WebContents* contents);
    503 
    504   // Moves the bookmark bar view to the specified parent, which may be NULL,
    505   // |this|, or |top_container_|. Ensures that |top_container_| stays in front
    506   // of |bookmark_bar_view_|.
    507   void SetBookmarkBarParent(views::View* new_parent);
    508 
    509   // Prepare to show an Info Bar for the specified WebContents. Returns
    510   // true if there is an Info Bar to show and one is supported for this Browser
    511   // type, and there should be a subsequent re-layout to show it.
    512   // |contents| can be NULL.
    513   bool MaybeShowInfoBar(content::WebContents* contents);
    514 
    515   // Updates devtools window for given contents. This method will show docked
    516   // devtools window for inspected |web_contents| that has docked devtools
    517   // and hide it for NULL or not inspected |web_contents|. It will also make
    518   // sure devtools window size and position are restored for given tab.
    519   // This method will not update actual DevTools WebContents, if not
    520   // |update_devtools_web_contents|. In this case, manual update is required.
    521   void UpdateDevToolsForContents(content::WebContents* web_contents,
    522                                  bool update_devtools_web_contents);
    523 
    524   // Updates various optional child Views, e.g. Bookmarks Bar, Info Bar or the
    525   // Download Shelf in response to a change notification from the specified
    526   // |contents|. |contents| can be NULL. In this case, all optional UI will be
    527   // removed.
    528   void UpdateUIForContents(content::WebContents* contents);
    529 
    530   // Invoked to update the necessary things when our fullscreen state changes
    531   // to |fullscreen|. On Windows this is invoked immediately when we toggle the
    532   // full screen state. On Linux changing the fullscreen state is async, so we
    533   // ask the window to change its fullscreen state, then when we get
    534   // notification that it succeeded this method is invoked.
    535   // If |url| is not empty, it is the URL of the page that requested fullscreen
    536   // (via the fullscreen JS API).
    537   // |bubble_type| determines what should be shown in the fullscreen exit
    538   // bubble.
    539   void ProcessFullscreen(bool fullscreen,
    540                          FullscreenMode mode,
    541                          const GURL& url,
    542                          FullscreenExitBubbleType bubble_type);
    543 
    544   // Returns whether immmersive fullscreen should replace fullscreen. This
    545   // should only occur for "browser-fullscreen" for tabbed-typed windows (not
    546   // for tab-fullscreen and not for app/popup type windows).
    547   bool ShouldUseImmersiveFullscreenForUrl(const GURL& url) const;
    548 
    549   // Copy the accelerator table from the app resources into something we can
    550   // use.
    551   void LoadAccelerators();
    552 
    553   // Retrieves the command id for the specified Windows app command.
    554   int GetCommandIDForAppCommandID(int app_command_id) const;
    555 
    556   // Initialize the hung plugin detector.
    557   void InitHangMonitor();
    558 
    559   // Possibly records a user metrics action corresponding to the passed-in
    560   // accelerator.  Only implemented for Chrome OS, where we're interested in
    561   // learning about how frequently the top-row keys are used.
    562   void UpdateAcceleratorMetrics(const ui::Accelerator& accelerator,
    563                                 int command_id);
    564 
    565   // Calls |method| which is either WebContents::Cut, ::Copy, or ::Paste,
    566   // first trying the content WebContents, then the devtools WebContents, and
    567   // lastly the Views::Textfield if one is focused.
    568   void DoCutCopyPaste(void (content::WebContents::*method)(),
    569                       int command_id);
    570 
    571   // Calls |method| which is either WebContents::Cut, ::Copy, or ::Paste on
    572   // the given WebContents, returning true if it consumed the event.
    573   bool DoCutCopyPasteForWebContents(
    574       content::WebContents* contents,
    575       void (content::WebContents::*method)());
    576 
    577   // Shows the next app-modal dialog box, if there is one to be shown, or moves
    578   // an existing showing one to the front.
    579   void ActivateAppModalDialog() const;
    580 
    581   // Returns the max top arrow height for infobar.
    582   int GetMaxTopInfoBarArrowHeight();
    583 
    584   // Last focused view that issued a tab traversal.
    585   int last_focused_view_storage_id_;
    586 
    587   // The BrowserFrame that hosts this view.
    588   BrowserFrame* frame_;
    589 
    590   // The Browser object we are associated with.
    591   scoped_ptr<Browser> browser_;
    592 
    593   // BrowserView layout (LTR one is pictured here).
    594   //
    595   // --------------------------------------------------------------------
    596   // | TopContainerView (top_container_)                                |
    597   // |  --------------------------------------------------------------  |
    598   // |  | Tabs (tabstrip_)                                           |  |
    599   // |  |------------------------------------------------------------|  |
    600   // |  | Navigation buttons, address bar, menu (toolbar_)           |  |
    601   // |  --------------------------------------------------------------  |
    602   // |------------------------------------------------------------------|
    603   // | All infobars (infobar_container_) [1]                            |
    604   // |------------------------------------------------------------------|
    605   // | Bookmarks (bookmark_bar_view_) [1]                               |
    606   // |------------------------------------------------------------------|
    607   // | Contents container (contents_container_)                         |
    608   // |  --------------------------------------------------------------  |
    609   // |  |  devtools_web_view_                                        |  |
    610   // |  |------------------------------------------------------------|  |
    611   // |  |  contents_web_view_                                        |  |
    612   // |  --------------------------------------------------------------  |
    613   // |------------------------------------------------------------------|
    614   // | Active downloads (download_shelf_)                               |
    615   // --------------------------------------------------------------------
    616   //
    617   // [1] The bookmark bar and info bar are swapped when on the new tab page.
    618   //     Additionally when the bookmark bar is detached, contents_container_ is
    619   //     positioned on top of the bar while the tab's contents are placed below
    620   //     the bar.  This allows the find bar to always align with the top of
    621   //     contents_container_ regardless if there's bookmark or info bars.
    622 
    623   // The view that manages the tab strip, toolbar, and sometimes the bookmark
    624   // bar. Stacked top in the view hiearachy so it can be used to slide out
    625   // the top views in immersive fullscreen.
    626   TopContainerView* top_container_;
    627 
    628   // The TabStrip.
    629   TabStrip* tabstrip_;
    630 
    631   // The Toolbar containing the navigation buttons, menus and the address bar.
    632   ToolbarView* toolbar_;
    633 
    634   // The Bookmark Bar View for this window. Lazily created. May be NULL for
    635   // non-tabbed browsers like popups. May not be visible.
    636   scoped_ptr<BookmarkBarView> bookmark_bar_view_;
    637 
    638   // The do-nothing view which controls the z-order of the find bar widget
    639   // relative to views which paint into layers and views with an associated
    640   // NativeView.
    641   View* find_bar_host_view_;
    642 
    643   // The download shelf view (view at the bottom of the page).
    644   scoped_ptr<DownloadShelfView> download_shelf_;
    645 
    646   // The InfoBarContainerView that contains InfoBars for the current tab.
    647   InfoBarContainerView* infobar_container_;
    648 
    649   // The view that contains the selected WebContents.
    650   ContentsWebView* contents_web_view_;
    651 
    652   // The view that contains devtools window for the selected WebContents.
    653   views::WebView* devtools_web_view_;
    654 
    655   // The view managing the devtools and contents positions.
    656   // Handled by ContentsLayoutManager.
    657   views::View* contents_container_;
    658 
    659   // Tracks and stores the last focused view which is not the
    660   // devtools_web_view_ or any of its children. Used to restore focus once
    661   // the devtools_web_view_ is hidden.
    662   scoped_ptr<views::ExternalFocusTracker> devtools_focus_tracker_;
    663 
    664   // The Status information bubble that appears at the bottom of the window.
    665   scoped_ptr<StatusBubbleViews> status_bubble_;
    666 
    667   // The permission bubble view is the toolkit-specific implementation of the
    668   // interface used by the manager to display permissions bubbles.
    669   scoped_ptr<PermissionBubbleViewViews> permission_bubble_view_;
    670 
    671   // A mapping between accelerators and commands.
    672   std::map<ui::Accelerator, int> accelerator_table_;
    673 
    674   // True if we have already been initialized.
    675   bool initialized_;
    676 
    677   // True when in ProcessFullscreen(). The flag is used to avoid reentrance and
    678   // to ignore requests to layout while in ProcessFullscreen() to reduce
    679   // jankiness.
    680   bool in_process_fullscreen_;
    681 
    682   scoped_ptr<FullscreenExitBubbleViews> fullscreen_bubble_;
    683 
    684 #if defined(OS_WIN)
    685   // This object is used to perform periodic actions in a worker
    686   // thread. It is currently used to monitor hung plugin windows.
    687   WorkerThreadTicker ticker_;
    688 
    689   // This object is initialized with the frame window HWND. This
    690   // object is also passed as a tick handler with the ticker_ object.
    691   // It is used to periodically monitor for hung plugin windows
    692   HungWindowDetector hung_window_detector_;
    693 
    694   // This object is invoked by hung_window_detector_ when it detects a hung
    695   // plugin window.
    696   HungPluginAction hung_plugin_action_;
    697 
    698   // Helper class to listen for completion of first page load.
    699   scoped_ptr<LoadCompleteListener> load_complete_listener_;
    700 
    701   // The custom JumpList for Windows 7.
    702   scoped_refptr<JumpList> jumplist_;
    703 #endif
    704 
    705   // The timer used to update frames for the Loading Animation.
    706   base::RepeatingTimer<BrowserView> loading_animation_timer_;
    707 
    708   views::UnhandledKeyboardEventHandler unhandled_keyboard_event_handler_;
    709 
    710   // Used to measure the loading spinner animation rate.
    711   base::TimeTicks last_animation_time_;
    712 
    713   // If this flag is set then SetFocusToLocationBar() will set focus to the
    714   // location bar even if the browser window is not active.
    715   bool force_location_bar_focus_;
    716 
    717   scoped_ptr<ImmersiveModeController> immersive_mode_controller_;
    718 
    719   scoped_ptr<ScrollEndEffectController> scroll_end_effect_controller_;
    720 
    721   scoped_ptr<WebContentsCloseHandler> web_contents_close_handler_;
    722 
    723   mutable base::WeakPtrFactory<BrowserView> activate_modal_dialog_factory_;
    724 
    725   DISALLOW_COPY_AND_ASSIGN(BrowserView);
    726 };
    727 
    728 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_H_
    729