• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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_FRAME_H_
6 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_
7 
8 #include "base/compiler_specific.h"
9 #include "base/logging.h"
10 #include "base/prefs/pref_member.h"
11 #include "build/build_config.h"
12 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
13 #include "ui/views/context_menu_controller.h"
14 #include "ui/views/widget/widget.h"
15 
16 class AvatarMenuButton;
17 class BrowserRootView;
18 class BrowserView;
19 class NativeBrowserFrame;
20 class NewAvatarButton;
21 class NonClientFrameView;
22 class SystemMenuModelBuilder;
23 
24 namespace gfx {
25 class FontList;
26 class Rect;
27 }
28 
29 namespace ui {
30 class EventHandler;
31 class MenuModel;
32 class ThemeProvider;
33 }
34 
35 namespace views {
36 class MenuRunner;
37 class View;
38 }
39 
40 // This is a virtual interface that allows system specific browser frames.
41 class BrowserFrame
42     : public views::Widget,
43       public views::ContextMenuController {
44  public:
45   explicit BrowserFrame(BrowserView* browser_view);
46   virtual ~BrowserFrame();
47 
48   static const gfx::FontList& GetTitleFontList();
49 
50   // Initialize the frame (creates the underlying native window).
51   void InitBrowserFrame();
52 
53   // Sets the ThemeProvider returned from GetThemeProvider().
54   void SetThemeProvider(scoped_ptr<ui::ThemeProvider> provider);
55 
56   // Determine the distance of the left edge of the minimize button from the
57   // left edge of the window. Used in our Non-Client View's Layout.
58   int GetMinimizeButtonOffset() const;
59 
60   // Retrieves the bounds, in non-client view coordinates for the specified
61   // TabStrip view.
62   gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const;
63 
64   // Returns the inset of the topmost view in the client view from the top of
65   // the non-client view. The topmost view depends on the window type. The
66   // topmost view is the tab strip for tabbed browser windows, the toolbar for
67   // popups, the web contents for app windows and varies for fullscreen windows
68   int GetTopInset() const;
69 
70   // Returns the amount that the theme background should be inset.
71   int GetThemeBackgroundXInset() const;
72 
73   // Tells the frame to update the throbber.
74   void UpdateThrobber(bool running);
75 
76   // Returns the NonClientFrameView of this frame.
77   views::View* GetFrameView() const;
78 
79   // Returns |true| if we should use the custom frame.
80   bool UseCustomFrame() const;
81 
82   // Returns true when the window placement should be saved.
83   bool ShouldSaveWindowPlacement() const;
84 
85   // Retrieves the window placement (show state and bounds) for restoring.
86   void GetWindowPlacement(gfx::Rect* bounds,
87                           ui::WindowShowState* show_state) const;
88 
89   // Overridden from views::Widget:
90   virtual views::internal::RootView* CreateRootView() OVERRIDE;
91   virtual views::NonClientFrameView* CreateNonClientFrameView() OVERRIDE;
92   virtual bool GetAccelerator(int command_id,
93                               ui::Accelerator* accelerator) const OVERRIDE;
94   virtual ui::ThemeProvider* GetThemeProvider() const OVERRIDE;
95   virtual void SchedulePaintInRect(const gfx::Rect& rect) OVERRIDE;
96   virtual void OnNativeWidgetActivationChanged(bool active) OVERRIDE;
97 
98   // Overridden from views::ContextMenuController:
99   virtual void ShowContextMenuForView(views::View* source,
100                                       const gfx::Point& p,
101                                       ui::MenuSourceType source_type) OVERRIDE;
102 
103   // Returns true if we should leave any offset at the frame caption. Typically
104   // when the frame is maximized/full screen we want to leave no offset at the
105   // top.
106   bool ShouldLeaveOffsetNearTopBorder();
107 
108   AvatarMenuButton* GetAvatarMenuButton();
109 
110   NewAvatarButton* GetNewAvatarMenuButton();
111 
112   // Returns the menu model. BrowserFrame owns the returned model.
113   // Note that in multi user mode this will upon each call create a new model.
114   ui::MenuModel* GetSystemMenuModel();
115 
116  private:
117   // Called when the preference changes.
118   void OnUseCustomChromeFrameChanged();
119 
120   NativeBrowserFrame* native_browser_frame_;
121 
122   // A weak reference to the root view associated with the window. We save a
123   // copy as a BrowserRootView to avoid evil casting later, when we need to call
124   // functions that only exist on BrowserRootView (versus RootView).
125   BrowserRootView* root_view_;
126 
127   // A pointer to our NonClientFrameView as a BrowserNonClientFrameView.
128   BrowserNonClientFrameView* browser_frame_view_;
129 
130   // The BrowserView is our ClientView. This is a pointer to it.
131   BrowserView* browser_view_;
132 
133   scoped_ptr<SystemMenuModelBuilder> menu_model_builder_;
134 
135   // Used to show the system menu. Only used if
136   // NativeBrowserFrame::UsesNativeSystemMenu() returns false.
137   scoped_ptr<views::MenuRunner> menu_runner_;
138 
139   // SetThemeProvider() triggers setting both |owned_theme_provider_| and
140   // |theme_provider_|. Initially |theme_provider_| is set to the ThemeService
141   // and |owned_theme_provider_| is NULL (as ThemeServices lifetime is managed
142   // externally).
143   scoped_ptr<ui::ThemeProvider> owned_theme_provider_;
144   ui::ThemeProvider* theme_provider_;
145 
146   // Whether the custom Chrome frame preference is set.
147   BooleanPrefMember use_custom_frame_pref_;
148 
149   scoped_ptr<ui::EventHandler> browser_command_handler_;
150 
151   DISALLOW_COPY_AND_ASSIGN(BrowserFrame);
152 };
153 
154 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_FRAME_H_
155