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// 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_OPAQUE_BROWSER_FRAME_VIEW_H_
#define CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
#pragma once
#include "base/memory/scoped_ptr.h"
#include "chrome/browser/ui/views/frame/browser_frame.h"
#include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
#include "chrome/browser/ui/views/tab_icon_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;
namespace views {
class ImageButton;
class FrameBackground;
}
class OpaqueBrowserFrameView : public BrowserNonClientFrameView,
public content::NotificationObserver,
public views::ButtonListener,
public TabIconView::TabIconViewModel {
public:
// Constructs a non-client view for an BrowserFrame.
OpaqueBrowserFrameView(BrowserFrame* frame, BrowserView* browser_view);
virtual ~OpaqueBrowserFrameView();
// Overridden from BrowserNonClientFrameView:
virtual gfx::Rect GetBoundsForTabStrip(views::View* tabstrip) const OVERRIDE;
virtual int GetHorizontalTabStripVerticalOffset(bool restored) const OVERRIDE;
virtual void UpdateThrobber(bool running) OVERRIDE;
virtual gfx::Size GetMinimumSize() OVERRIDE;
protected:
views::ImageButton* minimize_button() const { return minimize_button_; }
views::ImageButton* maximize_button() const { return maximize_button_; }
views::ImageButton* restore_button() const { return restore_button_; }
views::ImageButton* close_button() const { return close_button_; }
// Used to allow subclasses to reserve height for other components they
// will add. The space is reserved below the ClientView.
virtual int GetReservedHeight() const;
virtual gfx::Rect GetBoundsForReservedArea() 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.
int NonClientTopBorderHeight(bool restored) const;
// Overridden from 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;
// Overridden from views::View:
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual void Layout() OVERRIDE;
virtual bool HitTest(const gfx::Point& l) const OVERRIDE;
virtual void GetAccessibleState(ui::AccessibleViewState* state) OVERRIDE;
// Overridden from views::ButtonListener:
virtual void ButtonPressed(views::Button* sender, const views::Event& event)
OVERRIDE;
// Overridden from TabIconView::TabIconViewModel:
virtual bool ShouldTabIconViewAnimate() const OVERRIDE;
virtual gfx::ImageSkia GetFaviconForTabIconView() OVERRIDE;
// content::NotificationObserver implementation:
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
private:
// Creates, adds and returns a new image button with |this| as its listener.
// Memory is owned by the caller.
views::ImageButton* InitWindowCaptionButton(int normal_image_id,
int hot_image_id,
int pushed_image_id,
int mask_image_id,
int accessibility_string_id);
// 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 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 PaintRestoredClientEdge(gfx::Canvas* canvas);
// Compute aspects of the frame needed to paint the frame background.
SkColor GetFrameColor() const;
gfx::ImageSkia* GetFrameImage() const;
gfx::ImageSkia* GetFrameOverlayImage() const;
int GetTopAreaHeight() const;
// Layout various sub-components of this view.
void LayoutWindowControls();
void LayoutTitleBar();
void LayoutAvatar();
// 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 avatar icon, if visible.
gfx::Rect 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 bounds of the ClientView.
gfx::Rect client_view_bounds_;
content::NotificationRegistrar registrar_;
// Background painter for the window frame.
scoped_ptr<views::FrameBackground> frame_background_;
DISALLOW_COPY_AND_ASSIGN(OpaqueBrowserFrameView);
};
#endif // CHROME_BROWSER_UI_VIEWS_FRAME_OPAQUE_BROWSER_FRAME_VIEW_H_
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