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// Copyright (c) 2011 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 AURA_WINDOW_H_
#define AURA_WINDOW_H_
#pragma once
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "ui/gfx/native_widget_types.h"
#include "ui/gfx/rect.h"
class SkCanvas;
namespace ui {
class Layer;
}
namespace aura {
class Desktop;
class WindowDelegate;
// Aura window implementation. Interesting events are sent to the
// WindowDelegate.
class Window {
public:
enum Visibility {
// Don't display the window onscreen and don't let it receive mouse
// events. This is the default.
VISIBILITY_HIDDEN = 1,
// Display the window and let it receive mouse events.
VISIBILITY_SHOWN = 2,
// Display the window but prevent it from receiving mouse events.
VISIBILITY_SHOWN_NO_INPUT = 3,
};
explicit Window(Desktop* desktop);
~Window();
void set_delegate(WindowDelegate* d) { delegate_ = d; }
// Changes the visbility of the window.
void SetVisibility(Visibility visibility);
Visibility visibility() const { return visibility_; }
// Changes the bounds of the window.
void SetBounds(const gfx::Rect& bounds, int anim_ms);
const gfx::Rect& bounds() const { return bounds_; }
// Marks the window as needing to be painted.
void SchedulePaint(const gfx::Rect& bounds);
// Sets the contents of the window.
void SetCanvas(const SkCanvas& canvas, const gfx::Point& origin);
// If the window is visible its layer is drawn.
void Draw();
// If SchedulePaint has been invoked on the Window the delegate is notified.
void UpdateLayerCanvas();
private:
// The desktop we're in.
Desktop* desktop_;
WindowDelegate* delegate_;
Visibility visibility_;
scoped_ptr<ui::Layer> layer_;
// Union of regions passed to SchedulePaint. Cleaned when UpdateLayerCanvas is
// invoked.
gfx::Rect dirty_rect_;
// If true UpdateLayerCanvas paints all. This is set when the window is first
// created to trigger painting the complete bounds.
bool needs_paint_all_;
// Bounds of the window in the desktop's coordinate system.
gfx::Rect bounds_;
DISALLOW_COPY_AND_ASSIGN(Window);
};
} // namespace aura
#endif // AURA_WINDOW_H_
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