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// Copyright (c) 2010 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.


#include "chrome/browser/views/frame/browser_frame.h"
#include "chrome/browser/views/frame/browser_non_client_frame_view.h"
#include "chrome/browser/views/tab_icon_view.h"
#include "views/controls/button/button.h"
#include "views/window/non_client_view.h"

class BaseTabStrip;
class BrowserView;
namespace gfx {
class Font;
class TabContents;
namespace views {
class ImageButton;
class ImageView;

class OpaqueBrowserFrameView : public BrowserNonClientFrameView,
                               public views::ButtonListener,
                               public TabIconView::TabIconViewModel {
  // Constructs a non-client view for an BrowserFrame.
  OpaqueBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
  virtual ~OpaqueBrowserFrameView();

  // Overridden from BrowserNonClientFrameView:
  virtual gfx::Rect GetBoundsForTabStrip(BaseTabStrip* tabstrip) const;
  virtual int GetHorizontalTabStripVerticalOffset(bool restored) const;
  virtual void UpdateThrobber(bool running);
  virtual gfx::Size GetMinimumSize();

  // Overridden from views::NonClientFrameView:
  virtual gfx::Rect GetBoundsForClientView() const;
  virtual bool AlwaysUseNativeFrame() const;
  virtual bool AlwaysUseCustomFrame() const;
  virtual gfx::Rect GetWindowBoundsForClientBounds(
      const gfx::Rect& client_bounds) const;
  virtual int NonClientHitTest(const gfx::Point& point);
  virtual void GetWindowMask(const gfx::Size& size, gfx::Path* window_mask);
  virtual void EnableClose(bool enable);
  virtual void ResetWindowControls();

  // Overridden from views::View:
  virtual void Paint(gfx::Canvas* canvas);
  virtual void Layout();
  virtual bool HitTest(const gfx::Point& l) const;
  virtual bool GetAccessibleRole(AccessibilityTypes::Role* role);

  // Overridden from views::ButtonListener:
  virtual void ButtonPressed(views::Button* sender, const views::Event& event);

  // Overridden from TabIconView::TabIconViewModel:
  virtual bool ShouldTabIconViewAnimate() const;
  virtual SkBitmap GetFavIconForTabIconView();

  // Returns the thickness of the border that makes up the window frame edges.
  // This does not include any client edge.  If |restored| is true, acts as if
  // the window is restored regardless of the real mode.
  int FrameBorderThickness(bool restored) const;

  // Returns the height of the top resize area.  This is smaller than the frame
  // border height in order to increase the window draggable area.
  int TopResizeHeight() 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.  If |restored| is
  // true, acts as if the window is restored regardless of the real mode.  If
  // |ignore_vertical_tabs| is true, acts as if vertical tabs are off regardless
  // of the real state.
  int NonClientTopBorderHeight(bool restored, bool ignore_vertical_tabs) const;

  // Returns the y-coordinate of the caption buttons.  If |restored| is true,
  // acts as if the window is restored regardless of the real mode.
  int CaptionButtonY(bool restored) const;

  // Returns the thickness of the 3D edge along the bottom of the titlebar.  If
  // |restored| is true, acts as if the window is restored regardless of the
  // real mode.
  int TitlebarBottomThickness(bool restored) const;

  // Returns the size of the titlebar icon.  This is used even when the icon is
  // not shown, e.g. to set the titlebar height.
  int IconSize() const;

  // Returns the bounds of the titlebar icon (or where the icon would be if
  // there was one).
  gfx::Rect IconBounds() const;

  // Paint various sub-components of this view.  The *FrameBorder() functions
  // also paint the background of the titlebar area, since the top frame border
  // and titlebar background are a contiguous component.
  void PaintRestoredFrameBorder(gfx::Canvas* canvas);
  void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
  void PaintTitleBar(gfx::Canvas* canvas);
  void PaintToolbarBackground(gfx::Canvas* canvas);
  void PaintOTRAvatar(gfx::Canvas* canvas);
  void PaintRestoredClientEdge(gfx::Canvas* canvas);

  // Layout various sub-components of this view.
  void LayoutWindowControls();
  void LayoutTitleBar();
  void LayoutOTRAvatar();

  // Returns the bounds of the client area for the specified view size.
  gfx::Rect CalculateClientAreaBounds(int width, int height) const;

  // The layout rect of the title, if visible.
  gfx::Rect title_bounds_;

  // The layout rect of the OTR avatar icon, if visible.
  gfx::Rect otr_avatar_bounds_;

  // Window controls.
  views::ImageButton* minimize_button_;
  views::ImageButton* maximize_button_;
  views::ImageButton* restore_button_;
  views::ImageButton* close_button_;

  // The Window icon.
  TabIconView* window_icon_;

  // The frame that hosts this view.
  BrowserFrame* frame_;

  // The BrowserView hosted within this View.
  BrowserView* browser_view_;

  // The bounds of the ClientView.
  gfx::Rect client_view_bounds_;



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