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      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_GLASS_BROWSER_FRAME_VIEW_H_
      6 #define CHROME_BROWSER_UI_VIEWS_FRAME_GLASS_BROWSER_FRAME_VIEW_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
     10 #include "content/public/browser/notification_observer.h"
     11 #include "content/public/browser/notification_registrar.h"
     12 #include "ui/views/controls/button/button.h"
     13 #include "ui/views/window/non_client_view.h"
     14 
     15 class BrowserView;
     16 
     17 class GlassBrowserFrameView : public BrowserNonClientFrameView,
     18                               public views::ButtonListener,
     19                               public content::NotificationObserver {
     20  public:
     21   // Constructs a non-client view for an BrowserFrame.
     22   GlassBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
     23   virtual ~GlassBrowserFrameView();
     24 
     25   // Overridden from BrowserNonClientFrameView:
     26   virtual gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const OVERRIDE;
     27   virtual int GetTopInset() const OVERRIDE;
     28   virtual int GetThemeBackgroundXInset() const OVERRIDE;
     29   virtual void UpdateThrobber(bool running) OVERRIDE;
     30   virtual gfx::Size GetMinimumSize() const OVERRIDE;
     31 
     32   // Overridden from views::NonClientFrameView:
     33   virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
     34   virtual gfx::Rect GetWindowBoundsForClientBounds(
     35       const gfx::Rect& client_bounds) const OVERRIDE;
     36   virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
     37   virtual void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask)
     38       OVERRIDE {}
     39   virtual void ResetWindowControls() OVERRIDE {}
     40   virtual void UpdateWindowIcon() OVERRIDE {}
     41   virtual void UpdateWindowTitle() OVERRIDE {}
     42 
     43  protected:
     44   // Overridden from views::View:
     45   virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
     46   virtual void Layout() OVERRIDE;
     47   virtual bool HitTestRect(const gfx::Rect& rect) const OVERRIDE;
     48 
     49   // Overidden from views::ButtonListener:
     50   virtual void ButtonPressed(views::Button* sender,
     51                              const ui::Event& event) OVERRIDE;
     52 
     53  private:
     54   // Returns the thickness of the border that makes up the window frame edges.
     55   // This does not include any client edge.
     56   int FrameBorderThickness() const;
     57 
     58   // Returns the thickness of the entire nonclient left, right, and bottom
     59   // borders, including both the window frame and any client edge.
     60   int NonClientBorderThickness() const;
     61 
     62   // Returns the height of the entire nonclient top border, including the window
     63   // frame, any title area, and any connected client edge.
     64   int NonClientTopBorderHeight() const;
     65 
     66   // Paint various sub-components of this view.
     67   void PaintToolbarBackground(gfx::Canvas* canvas);
     68   void PaintRestoredClientEdge(gfx::Canvas* canvas);
     69 
     70   // Layout various sub-components of this view.
     71   void LayoutAvatar();
     72   void LayoutNewStyleAvatar();
     73   void LayoutClientView();
     74 
     75   // Returns the insets of the client area.
     76   gfx::Insets GetClientAreaInsets() const;
     77 
     78   // Returns the bounds of the client area for the specified view size.
     79   gfx::Rect CalculateClientAreaBounds(int width, int height) const;
     80 
     81   // Starts/Stops the window throbber running.
     82   void StartThrobber();
     83   void StopThrobber();
     84 
     85   // Displays the next throbber frame.
     86   void DisplayNextThrobberFrame();
     87 
     88   // content::NotificationObserver implementation:
     89   virtual void Observe(int type,
     90                        const content::NotificationSource& source,
     91                        const content::NotificationDetails& details) OVERRIDE;
     92 
     93   // The layout rect of the avatar icon, if visible.
     94   gfx::Rect avatar_bounds_;
     95 
     96   // The bounds of the ClientView.
     97   gfx::Rect client_view_bounds_;
     98 
     99   // Whether or not the window throbber is currently animating.
    100   bool throbber_running_;
    101 
    102   // The index of the current frame of the throbber animation.
    103   int throbber_frame_;
    104 
    105   content::NotificationRegistrar registrar_;
    106 
    107   static const int kThrobberIconCount = 24;
    108   static HICON throbber_icons_[kThrobberIconCount];
    109   static void InitThrobberIcons();
    110 
    111   DISALLOW_COPY_AND_ASSIGN(GlassBrowserFrameView);
    112 };
    113 
    114 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_GLASS_BROWSER_FRAME_VIEW_H_
    115