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