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/controls/button/menu_button_listener.h"
18#include "ui/views/window/non_client_view.h"
19
20class BrowserView;
21class OpaqueBrowserFrameViewLayout;
22class OpaqueBrowserFrameViewPlatformSpecific;
23class TabIconView;
24class NewAvatarButton;
25
26namespace views {
27class ImageButton;
28class FrameBackground;
29class Label;
30}
31
32class OpaqueBrowserFrameView : public BrowserNonClientFrameView,
33                               public content::NotificationObserver,
34                               public views::ButtonListener,
35                               public views::MenuButtonListener,
36                               public chrome::TabIconViewModel,
37                               public OpaqueBrowserFrameViewLayoutDelegate {
38 public:
39  // Constructs a non-client view for an BrowserFrame.
40  OpaqueBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
41  virtual ~OpaqueBrowserFrameView();
42
43  // BrowserNonClientFrameView:
44  virtual gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const OVERRIDE;
45  virtual int GetTopInset() const OVERRIDE;
46  virtual int GetThemeBackgroundXInset() const OVERRIDE;
47  virtual void UpdateThrobber(bool running) OVERRIDE;
48  virtual gfx::Size GetMinimumSize() const OVERRIDE;
49
50  // views::NonClientFrameView:
51  virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
52  virtual gfx::Rect GetWindowBoundsForClientBounds(
53      const gfx::Rect& client_bounds) const OVERRIDE;
54  virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
55  virtual void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask)
56      OVERRIDE;
57  virtual void ResetWindowControls() OVERRIDE;
58  virtual void UpdateWindowIcon() OVERRIDE;
59  virtual void UpdateWindowTitle() OVERRIDE;
60  virtual void SizeConstraintsChanged() OVERRIDE;
61
62  // views::View:
63  virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
64
65  // views::ButtonListener:
66  virtual void ButtonPressed(views::Button* sender, const ui::Event& event)
67      OVERRIDE;
68
69  // views::MenuButtonListener:
70  virtual void OnMenuButtonClicked(views::View* source, const gfx::Point& point)
71      OVERRIDE;
72
73  // 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 base::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 ShouldShowCaptionButtons() 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 gfx::Size GetTabstripPreferredSize() const OVERRIDE;
99
100 protected:
101  views::ImageButton* minimize_button() const { return minimize_button_; }
102  views::ImageButton* maximize_button() const { return maximize_button_; }
103  views::ImageButton* restore_button() const { return restore_button_; }
104  views::ImageButton* close_button() const { return close_button_; }
105
106  // views::View:
107  virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
108
109 private:
110  // views::NonClientFrameView:
111  virtual bool DoesIntersectRect(const views::View* target,
112                                 const gfx::Rect& rect) const OVERRIDE;
113
114  // Creates, adds and returns a new image button with |this| as its listener.
115  // Memory is owned by the caller.
116  views::ImageButton* InitWindowCaptionButton(int normal_image_id,
117                                              int hot_image_id,
118                                              int pushed_image_id,
119                                              int mask_image_id,
120                                              int accessibility_string_id,
121                                              ViewID view_id);
122
123  // Returns the thickness of the border that makes up the window frame edges.
124  // This does not include any client edge.  If |restored| is true, acts as if
125  // the window is restored regardless of the real mode.
126  int FrameBorderThickness(bool restored) const;
127
128  // Returns the height of the top resize area.  This is smaller than the frame
129  // border height in order to increase the window draggable area.
130  int TopResizeHeight() const;
131
132  // Returns the thickness of the entire nonclient left, right, and bottom
133  // borders, including both the window frame and any client edge.
134  int NonClientBorderThickness() const;
135
136  // Returns the bounds of the titlebar icon (or where the icon would be if
137  // there was one).
138  gfx::Rect IconBounds() const;
139
140  // Returns true if the view should draw its own custom title bar.
141  bool ShouldShowWindowTitleBar() const;
142
143  // Paint various sub-components of this view.  The *FrameBorder() functions
144  // also paint the background of the titlebar area, since the top frame border
145  // and titlebar background are a contiguous component.
146  void PaintRestoredFrameBorder(gfx::Canvas* canvas);
147  void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
148  void PaintToolbarBackground(gfx::Canvas* canvas);
149  void PaintRestoredClientEdge(gfx::Canvas* canvas);
150
151  // Compute aspects of the frame needed to paint the frame background.
152  SkColor GetFrameColor() const;
153  gfx::ImageSkia* GetFrameImage() const;
154  gfx::ImageSkia* GetFrameOverlayImage() const;
155  int GetTopAreaHeight() const;
156
157  // Returns the bounds of the client area for the specified view size.
158  gfx::Rect CalculateClientAreaBounds(int width, int height) const;
159
160  // Our layout manager also calculates various bounds.
161  OpaqueBrowserFrameViewLayout* layout_;
162
163  // Window controls.
164  views::ImageButton* minimize_button_;
165  views::ImageButton* maximize_button_;
166  views::ImageButton* restore_button_;
167  views::ImageButton* close_button_;
168
169  // The window icon and title.
170  TabIconView* window_icon_;
171  views::Label* window_title_;
172
173  content::NotificationRegistrar registrar_;
174
175  // Background painter for the window frame.
176  scoped_ptr<views::FrameBackground> frame_background_;
177
178  // Observer that handles platform dependent configuration.
179  scoped_ptr<OpaqueBrowserFrameViewPlatformSpecific> platform_observer_;
180
181  DISALLOW_COPY_AND_ASSIGN(OpaqueBrowserFrameView);
182};
183
184#endif  // CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
185