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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 UI_VIEWS_WINDOW_CUSTOM_FRAME_VIEW_H_
#define UI_VIEWS_WINDOW_CUSTOM_FRAME_VIEW_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "ui/views/controls/button/button.h"
#include "ui/views/window/non_client_view.h"
namespace gfx {
class ImageSkia;
}
namespace views {
class FrameBackground;
class ImageButton;
class Widget;
///////////////////////////////////////////////////////////////////////////////
//
// CustomFrameView
//
// A view that provides the non client frame for Windows. This means
// rendering the non-standard window caption, border, and controls.
//
////////////////////////////////////////////////////////////////////////////////
class CustomFrameView : public NonClientFrameView,
public ButtonListener {
public:
CustomFrameView();
virtual ~CustomFrameView();
void Init(Widget* frame);
// Overridden from 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;
// Overridden from View:
virtual void OnPaint(gfx::Canvas* canvas) OVERRIDE;
virtual void Layout() OVERRIDE;
virtual gfx::Size GetPreferredSize() OVERRIDE;
virtual gfx::Size GetMinimumSize() OVERRIDE;
virtual gfx::Size GetMaximumSize() OVERRIDE;
// Overridden from ButtonListener:
virtual void ButtonPressed(Button* sender, const ui::Event& event) OVERRIDE;
private:
// 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;
// Returns the y-coordinate of the caption buttons.
int CaptionButtonY() const;
// Returns the thickness of the nonclient portion of the 3D edge along the
// bottom of the titlebar.
int TitlebarBottomThickness() 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;
// Returns true if the client edge should be drawn. This is true if
// the window is not maximized.
bool ShouldShowClientEdge() const;
// Paint various sub-components of this view.
void PaintRestoredFrameBorder(gfx::Canvas* canvas);
void PaintMaximizedFrameBorder(gfx::Canvas* canvas);
void PaintTitleBar(gfx::Canvas* canvas);
void PaintRestoredClientEdge(gfx::Canvas* canvas);
// Compute aspects of the frame needed to paint the frame background.
SkColor GetFrameColor() const;
const gfx::ImageSkia* GetFrameImage() const;
// Layout various sub-components of this view.
void LayoutWindowControls();
void LayoutTitleBar();
void LayoutClientView();
// Creates, adds and returns a new window caption button (e.g, minimize,
// maximize, restore).
ImageButton* InitWindowCaptionButton(int accessibility_string_id,
int normal_image_id,
int hot_image_id,
int pushed_image_id);
// The bounds of the client view, in this view's coordinates.
gfx::Rect client_view_bounds_;
// The layout rect of the title, if visible.
gfx::Rect title_bounds_;
// Not owned.
Widget* frame_;
// The icon of this window. May be NULL.
ImageButton* window_icon_;
// Window caption buttons.
ImageButton* minimize_button_;
ImageButton* maximize_button_;
ImageButton* restore_button_;
ImageButton* close_button_;
// Should maximize button be shown?
bool should_show_maximize_button_;
// Background painter for the window frame.
scoped_ptr<FrameBackground> frame_background_;
DISALLOW_COPY_AND_ASSIGN(CustomFrameView);
};
} // namespace views
#endif // UI_VIEWS_WINDOW_CUSTOM_FRAME_VIEW_H_
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