opaque_browser_frame_view.h revision d0247b1b59f9c528cb6df88b4f2b9afaf80d181e 
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;
23
24namespace views {
25class ImageButton;
26class FrameBackground;
27class Label;
28}
29
30class OpaqueBrowserFrameView : public BrowserNonClientFrameView,
31                               public content::NotificationObserver,
32                               public views::ButtonListener,
33                               public chrome::TabIconViewModel,
34                               public OpaqueBrowserFrameViewLayoutDelegate {
35 public:
36  // Constructs a non-client view for an BrowserFrame.
37  OpaqueBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
38  virtual ~OpaqueBrowserFrameView();
39
40  // Overridden from BrowserNonClientFrameView:
41  virtual gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const OVERRIDE;
42  virtual TabStripInsets GetTabStripInsets(bool restored) const OVERRIDE;
43  virtual int GetThemeBackgroundXInset() const OVERRIDE;
44  virtual void UpdateThrobber(bool running) OVERRIDE;
45  virtual gfx::Size GetMinimumSize() OVERRIDE;
46
47 protected:
48  views::ImageButton* minimize_button() const { return minimize_button_; }
49  views::ImageButton* maximize_button() const { return maximize_button_; }
50  views::ImageButton* restore_button() const { return restore_button_; }
51  views::ImageButton* close_button() const { return close_button_; }
52
53  // Overridden from views::NonClientFrameView:
54  virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
55  virtual gfx::Rect GetWindowBoundsForClientBounds(
56      const gfx::Rect& client_bounds) const OVERRIDE;
57  virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
58  virtual void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask)
59      OVERRIDE;
60  virtual void ResetWindowControls() OVERRIDE;
61  virtual void UpdateWindowIcon() OVERRIDE;
62  virtual void UpdateWindowTitle() OVERRIDE;
63
64  // Overridden from views::View:
65  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
66  virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
67  virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
68
69  // Overridden from views::ButtonListener:
70  virtual void ButtonPressed(views::Button* sender, const ui::Event& event)
71      OVERRIDE;
72
73  // Overridden from chrome::TabIconViewModel:
74  virtual bool ShouldTabIconViewAnimate() const OVERRIDE;
75  virtual gfx::ImageSkia GetFaviconForTabIconView() OVERRIDE;
76
77  // content::NotificationObserver implementation:
78  virtual void Observe(int type,
79                       const content::NotificationSource& source,
80                       const content::NotificationDetails& details) OVERRIDE;
81
82  // OpaqueBrowserFrameViewLayoutDelegate implementation:
83  virtual bool ShouldShowWindowIcon() const OVERRIDE;
84  virtual bool ShouldShowWindowTitle() const OVERRIDE;
85  virtual string16 GetWindowTitle() const OVERRIDE;
86  virtual int GetIconSize() const OVERRIDE;
87  virtual bool ShouldLeaveOffsetNearTopBorder() const OVERRIDE;
88  virtual gfx::Size GetBrowserViewMinimumSize() const OVERRIDE;
89  virtual bool ShouldShowAvatar() const OVERRIDE;
90  virtual gfx::ImageSkia GetOTRAvatarIcon() const OVERRIDE;
91  virtual bool IsMaximized() const OVERRIDE;
92  virtual bool IsMinimized() const OVERRIDE;
93  virtual bool IsFullscreen() const OVERRIDE;
94  virtual bool IsTabStripVisible() const OVERRIDE;
95  virtual int GetTabStripHeight() const OVERRIDE;
96  virtual int GetAdditionalReservedSpaceInTabStrip() const OVERRIDE;
97  virtual gfx::Size GetTabstripPreferredSize() const OVERRIDE;
98
99 private:
100  // Creates, adds and returns a new image button with |this| as its listener.
101  // Memory is owned by the caller.
102  views::ImageButton* InitWindowCaptionButton(int normal_image_id,
103                                              int hot_image_id,
104                                              int pushed_image_id,
105                                              int mask_image_id,
106                                              int accessibility_string_id,
107                                              ViewID view_id);
108
109  // Returns the thickness of the border that makes up the window frame edges.
110  // This does not include any client edge.  If |restored| is true, acts as if
111  // the window is restored regardless of the real mode.
112  int FrameBorderThickness(bool restored) const;
113
114  // Returns the height of the top resize area.  This is smaller than the frame
115  // border height in order to increase the window draggable area.
116  int TopResizeHeight() const;
117
118  // Returns the thickness of the entire nonclient left, right, and bottom
119  // borders, including both the window frame and any client edge.
120  int NonClientBorderThickness() const;
121
122  // Returns the bounds of the titlebar icon (or where the icon would be if
123  // there was one).
124  gfx::Rect IconBounds() const;
125
126  // Paint various sub-components of this view.  The *FrameBorder() functions
127  // also paint the background of the titlebar area, since the top frame border
128  // and titlebar background are a contiguous component.
129  void PaintRestoredFrameBorder(gfx::Canvas* canvas);
130  void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
131  void PaintToolbarBackground(gfx::Canvas* canvas);
132  void PaintRestoredClientEdge(gfx::Canvas* canvas);
133
134  // Compute aspects of the frame needed to paint the frame background.
135  SkColor GetFrameColor() const;
136  gfx::ImageSkia* GetFrameImage() const;
137  gfx::ImageSkia* GetFrameOverlayImage() const;
138  int GetTopAreaHeight() const;
139
140  // Returns the bounds of the client area for the specified view size.
141  gfx::Rect CalculateClientAreaBounds(int width, int height) const;
142
143  // Our layout manager also calculates various bounds.
144  OpaqueBrowserFrameViewLayout* layout_;
145
146  // Window controls.
147  views::ImageButton* minimize_button_;
148  views::ImageButton* maximize_button_;
149  views::ImageButton* restore_button_;
150  views::ImageButton* close_button_;
151
152  // The window icon and title.
153  TabIconView* window_icon_;
154  views::Label* window_title_;
155
156  content::NotificationRegistrar registrar_;
157
158  // Background painter for the window frame.
159  scoped_ptr<views::FrameBackground> frame_background_;
160
161  // Observer that handles platform dependent configuration.
162  scoped_ptr<OpaqueBrowserFrameViewPlatformSpecific> platform_observer_;
163
164  DISALLOW_COPY_AND_ASSIGN(OpaqueBrowserFrameView);
165};
166
167#endif  // CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
168