opaque_browser_frame_view.h revision 8bcbed890bc3ce4d7a057a8f32cab53fa534672e 
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_OPAQUE_BROWSER_FRAME_VIEW_H_
6#define CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
7
8#include "base/memory/scoped_ptr.h"
9#include "chrome/browser/ui/view_ids.h"
10#include "chrome/browser/ui/views/frame/browser_frame.h"
11#include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
12#include "chrome/browser/ui/views/frame/opaque_browser_frame_view_layout_delegate.h"
13#include "chrome/browser/ui/views/tab_icon_view_model.h"
14#include "content/public/browser/notification_observer.h"
15#include "content/public/browser/notification_registrar.h"
16#include "ui/views/controls/button/button.h"
17#include "ui/views/window/non_client_view.h"
18
19class BrowserView;
20class OpaqueBrowserFrameViewLayout;
21class OpaqueBrowserFrameViewPlatformSpecific;
22class TabIconView;
23class NewAvatarButton;
24
25namespace views {
26class ImageButton;
27class FrameBackground;
28class Label;
29}
30
31class OpaqueBrowserFrameView : public BrowserNonClientFrameView,
32                               public content::NotificationObserver,
33                               public views::ButtonListener,
34                               public chrome::TabIconViewModel,
35                               public OpaqueBrowserFrameViewLayoutDelegate {
36 public:
37  // Constructs a non-client view for an BrowserFrame.
38  OpaqueBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
39  virtual ~OpaqueBrowserFrameView();
40
41  // Overridden from BrowserNonClientFrameView:
42  virtual gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const OVERRIDE;
43  virtual TabStripInsets GetTabStripInsets(bool restored) const OVERRIDE;
44  virtual int GetThemeBackgroundXInset() const OVERRIDE;
45  virtual void UpdateThrobber(bool running) OVERRIDE;
46  virtual gfx::Size GetMinimumSize() OVERRIDE;
47
48 protected:
49  views::ImageButton* minimize_button() const { return minimize_button_; }
50  views::ImageButton* maximize_button() const { return maximize_button_; }
51  views::ImageButton* restore_button() const { return restore_button_; }
52  views::ImageButton* close_button() const { return close_button_; }
53
54  // Overridden from views::NonClientFrameView:
55  virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
56  virtual gfx::Rect GetWindowBoundsForClientBounds(
57      const gfx::Rect& client_bounds) const OVERRIDE;
58  virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
59  virtual void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask)
60      OVERRIDE;
61  virtual void ResetWindowControls() OVERRIDE;
62  virtual void UpdateWindowIcon() OVERRIDE;
63  virtual void UpdateWindowTitle() OVERRIDE;
64
65  // Overridden from views::View:
66  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
67  virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
68  virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
69
70  // Overridden from views::ButtonListener:
71  virtual void ButtonPressed(views::Button* sender, const ui::Event& event)
72      OVERRIDE;
73
74  // Overridden from chrome::TabIconViewModel:
75  virtual bool ShouldTabIconViewAnimate() const OVERRIDE;
76  virtual gfx::ImageSkia GetFaviconForTabIconView() OVERRIDE;
77
78  // content::NotificationObserver implementation:
79  virtual void Observe(int type,
80                       const content::NotificationSource& source,
81                       const content::NotificationDetails& details) OVERRIDE;
82
83  // OpaqueBrowserFrameViewLayoutDelegate implementation:
84  virtual bool ShouldShowWindowIcon() const OVERRIDE;
85  virtual bool ShouldShowWindowTitle() const OVERRIDE;
86  virtual string16 GetWindowTitle() const OVERRIDE;
87  virtual int GetIconSize() const OVERRIDE;
88  virtual bool ShouldLeaveOffsetNearTopBorder() const OVERRIDE;
89  virtual gfx::Size GetBrowserViewMinimumSize() const OVERRIDE;
90  virtual bool ShouldShowAvatar() const OVERRIDE;
91  virtual bool IsRegularOrGuestSession() const OVERRIDE;
92  virtual gfx::ImageSkia GetOTRAvatarIcon() const OVERRIDE;
93  virtual bool IsMaximized() const OVERRIDE;
94  virtual bool IsMinimized() const OVERRIDE;
95  virtual bool IsFullscreen() const OVERRIDE;
96  virtual bool IsTabStripVisible() const OVERRIDE;
97  virtual int GetTabStripHeight() const OVERRIDE;
98  virtual int GetAdditionalReservedSpaceInTabStrip() const OVERRIDE;
99  virtual gfx::Size GetTabstripPreferredSize() const OVERRIDE;
100
101 private:
102  // Creates, adds and returns a new image button with |this| as its listener.
103  // Memory is owned by the caller.
104  views::ImageButton* InitWindowCaptionButton(int normal_image_id,
105                                              int hot_image_id,
106                                              int pushed_image_id,
107                                              int mask_image_id,
108                                              int accessibility_string_id,
109                                              ViewID view_id);
110
111  // Returns the thickness of the border that makes up the window frame edges.
112  // This does not include any client edge.  If |restored| is true, acts as if
113  // the window is restored regardless of the real mode.
114  int FrameBorderThickness(bool restored) const;
115
116  // Returns the height of the top resize area.  This is smaller than the frame
117  // border height in order to increase the window draggable area.
118  int TopResizeHeight() const;
119
120  // Returns the thickness of the entire nonclient left, right, and bottom
121  // borders, including both the window frame and any client edge.
122  int NonClientBorderThickness() const;
123
124  // Returns the bounds of the titlebar icon (or where the icon would be if
125  // there was one).
126  gfx::Rect IconBounds() const;
127
128  // Paint various sub-components of this view.  The *FrameBorder() functions
129  // also paint the background of the titlebar area, since the top frame border
130  // and titlebar background are a contiguous component.
131  void PaintRestoredFrameBorder(gfx::Canvas* canvas);
132  void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
133  void PaintToolbarBackground(gfx::Canvas* canvas);
134  void PaintRestoredClientEdge(gfx::Canvas* canvas);
135
136  // Compute aspects of the frame needed to paint the frame background.
137  SkColor GetFrameColor() const;
138  gfx::ImageSkia* GetFrameImage() const;
139  gfx::ImageSkia* GetFrameOverlayImage() const;
140  int GetTopAreaHeight() const;
141
142  // Returns the bounds of the client area for the specified view size.
143  gfx::Rect CalculateClientAreaBounds(int width, int height) const;
144
145  // Our layout manager also calculates various bounds.
146  OpaqueBrowserFrameViewLayout* layout_;
147
148  // Window controls.
149  views::ImageButton* minimize_button_;
150  views::ImageButton* maximize_button_;
151  views::ImageButton* restore_button_;
152  views::ImageButton* close_button_;
153
154  // The window icon and title.
155  TabIconView* window_icon_;
156  views::Label* window_title_;
157
158  content::NotificationRegistrar registrar_;
159
160  // Background painter for the window frame.
161  scoped_ptr<views::FrameBackground> frame_background_;
162
163  // Observer that handles platform dependent configuration.
164  scoped_ptr<OpaqueBrowserFrameViewPlatformSpecific> platform_observer_;
165
166  DISALLOW_COPY_AND_ASSIGN(OpaqueBrowserFrameView);
167};
168
169#endif  // CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
170