text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef CHROME_BROWSER_UI_VIEWS_FRAME_GLASS_BROWSER_FRAME_VIEW_H_
  #define CHROME_BROWSER_UI_VIEWS_FRAME_GLASS_BROWSER_FRAME_VIEW_H_
  
  #include "base/compiler_specific.h"
  #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
  #include "content/public/browser/notification_observer.h"
  #include "content/public/browser/notification_registrar.h"
  #include "ui/views/controls/button/button.h"
  #include "ui/views/window/non_client_view.h"
  
  class BrowserView;
  
  class GlassBrowserFrameView : public BrowserNonClientFrameView,
                                public views::ButtonListener,
                                public content::NotificationObserver {
   public:
    // Constructs a non-client view for an BrowserFrame.
    GlassBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
    virtual ~GlassBrowserFrameView();
  
    // BrowserNonClientFrameView:
    virtual gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const OVERRIDE;
    virtual int GetTopInset() const OVERRIDE;
    virtual int GetThemeBackgroundXInset() const OVERRIDE;
    virtual void UpdateThrobber(bool running) OVERRIDE;
    virtual gfx::Size GetMinimumSize() const OVERRIDE;
  
    // views::NonClientFrameView:
    virtual gfx::Rect GetBoundsForClientView() const OVERRIDE;
    virtual gfx::Rect GetWindowBoundsForClientBounds(
        const gfx::Rect& client_bounds) const OVERRIDE;
    virtual int NonClientHitTest(const gfx::Point& point) OVERRIDE;
    virtual void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask)
        OVERRIDE {}
    virtual void ResetWindowControls() OVERRIDE {}
    virtual void UpdateWindowIcon() OVERRIDE {}
    virtual void UpdateWindowTitle() OVERRIDE {}
    virtual void SizeConstraintsChanged() OVERRIDE {}
  
   protected:
    // views::View:
    virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
    virtual void Layout() OVERRIDE;
  
    // views::ButtonListener:
    virtual void ButtonPressed(views::Button* sender,
                               const ui::Event& event) OVERRIDE;
  
   private:
    // views::NonClientFrameView:
    virtual bool DoesIntersectRect(const views::View* target,
                                   const gfx::Rect& rect) const OVERRIDE;
  
    // Returns the thickness of the border that makes up the window frame edges.
    // This does not include any client edge.
    int FrameBorderThickness() const;
  
    // Returns the thickness of the entire nonclient left, right, and bottom
    // borders, including both the window frame and any client edge.
    int NonClientBorderThickness() const;
  
    // Returns the height of the entire nonclient top border, including the window
    // frame, any title area, and any connected client edge.
    int NonClientTopBorderHeight() const;
  
    // Paint various sub-components of this view.
    void PaintToolbarBackground(gfx::Canvas* canvas);
    void PaintRestoredClientEdge(gfx::Canvas* canvas);
  
    // Layout various sub-components of this view.
    void LayoutAvatar();
    void LayoutNewStyleAvatar();
    void LayoutClientView();
  
    // Returns the insets of the client area.
    gfx::Insets GetClientAreaInsets() const;
  
    // Returns the bounds of the client area for the specified view size.
    gfx::Rect CalculateClientAreaBounds(int width, int height) const;
  
    // Starts/Stops the window throbber running.
    void StartThrobber();
    void StopThrobber();
  
    // Displays the next throbber frame.
    void DisplayNextThrobberFrame();
  
    // content::NotificationObserver implementation:
    virtual void Observe(int type,
                         const content::NotificationSource& source,
                         const content::NotificationDetails& details) OVERRIDE;
  
    // The layout rect of the avatar icon, if visible.
    gfx::Rect avatar_bounds_;
  
    // The bounds of the ClientView.
    gfx::Rect client_view_bounds_;
  
    // Whether or not the window throbber is currently animating.
    bool throbber_running_;
  
    // The index of the current frame of the throbber animation.
    int throbber_frame_;
  
    content::NotificationRegistrar registrar_;
  
    static const int kThrobberIconCount = 24;
    static HICON throbber_icons_[kThrobberIconCount];
    static void InitThrobberIcons();
  
    DISALLOW_COPY_AND_ASSIGN(GlassBrowserFrameView);
  };
  
  #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_GLASS_BROWSER_FRAME_VIEW_H_
  