chrome/browser/ui/views/frame/opaque_browser_frame_view.h

   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
  20 class BrowserView;
  21 class OpaqueBrowserFrameViewLayout;
  22 class OpaqueBrowserFrameViewPlatformSpecific;
  23 class TabIconView;
  24 class NewAvatarButton;
  25
  26 namespace views {
  27 class ImageButton;
  28 class FrameBackground;
  29 class Label;
  30 }
  31
  32 class 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   // Overridden from 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   // Overridden from 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
  61   // Overridden from views::View:
  62   virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
  63   virtual void GetAccessibleState(ui::AXViewState* state) OVERRIDE;
  64
  65   // Overridden from views::ButtonListener:
  66   virtual void ButtonPressed(views::Button* sender, const ui::Event& event)
  67       OVERRIDE;
  68
  69   // Overridden from views::MenuButtonListener:
  70   virtual void OnMenuButtonClicked(views::View* source, const gfx::Point& point)
  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 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   // Overridden from views::View:
 107   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
 108
 109  private:
 110   // Creates, adds and returns a new image button with |this| as its listener.
 111   // Memory is owned by the caller.
 112   views::ImageButton* InitWindowCaptionButton(int normal_image_id,
 113                                               int hot_image_id,
 114                                               int pushed_image_id,
 115                                               int mask_image_id,
 116                                               int accessibility_string_id,
 117                                               ViewID view_id);
 118
 119   // Returns the thickness of the border that makes up the window frame edges.
 120   // This does not include any client edge.  If |restored| is true, acts as if
 121   // the window is restored regardless of the real mode.
 122   int FrameBorderThickness(bool restored) const;
 123
 124   // Returns the height of the top resize area.  This is smaller than the frame
 125   // border height in order to increase the window draggable area.
 126   int TopResizeHeight() const;
 127
 128   // Returns the thickness of the entire nonclient left, right, and bottom
 129   // borders, including both the window frame and any client edge.
 130   int NonClientBorderThickness() const;
 131
 132   // Returns the bounds of the titlebar icon (or where the icon would be if
 133   // there was one).
 134   gfx::Rect IconBounds() const;
 135
 136   // Returns true if the view should draw its own custom title bar.
 137   bool ShouldShowWindowTitleBar() const;
 138
 139   // Paint various sub-components of this view.  The *FrameBorder() functions
 140   // also paint the background of the titlebar area, since the top frame border
 141   // and titlebar background are a contiguous component.
 142   void PaintRestoredFrameBorder(gfx::Canvas* canvas);
 143   void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
 144   void PaintToolbarBackground(gfx::Canvas* canvas);
 145   void PaintRestoredClientEdge(gfx::Canvas* canvas);
 146
 147   // Compute aspects of the frame needed to paint the frame background.
 148   SkColor GetFrameColor() const;
 149   gfx::ImageSkia* GetFrameImage() const;
 150   gfx::ImageSkia* GetFrameOverlayImage() const;
 151   int GetTopAreaHeight() const;
 152
 153   // Returns the bounds of the client area for the specified view size.
 154   gfx::Rect CalculateClientAreaBounds(int width, int height) const;
 155
 156   // Our layout manager also calculates various bounds.
 157   OpaqueBrowserFrameViewLayout* layout_;
 158
 159   // Window controls.
 160   views::ImageButton* minimize_button_;
 161   views::ImageButton* maximize_button_;
 162   views::ImageButton* restore_button_;
 163   views::ImageButton* close_button_;
 164
 165   // The window icon and title.
 166   TabIconView* window_icon_;
 167   views::Label* window_title_;
 168
 169   content::NotificationRegistrar registrar_;
 170
 171   // Background painter for the window frame.
 172   scoped_ptr<views::FrameBackground> frame_background_;
 173
 174   // Observer that handles platform dependent configuration.
 175   scoped_ptr<OpaqueBrowserFrameViewPlatformSpecific> platform_observer_;
 176
 177   DISALLOW_COPY_AND_ASSIGN(OpaqueBrowserFrameView);
 178 };
 179
 180 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_