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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_DELEGATE_H_
#define AURA_WINDOW_DELEGATE_H_
#pragma once
namespace gfx {
class Canvas;
class Point;
}
namespace aura {
class MouseEvent;
// Delegate interface for aura::Window.
class WindowDelegate {
public:
// Returns the non-client component (see hit_test.h) containing |point|, in
// window coordinates.
virtual int GetNonClientComponent(const gfx::Point& point) const = 0;
virtual bool OnMouseEvent(MouseEvent* event) = 0;
// Asks the delegate to paint window contents into the supplied canvas.
virtual void OnPaint(gfx::Canvas* canvas) = 0;
// Called when the Window has been destroyed (i.e. from its destructor).
// The delegate can use this as an opportunity to delete itself if necessary.
virtual void OnWindowDestroyed() = 0;
protected:
virtual ~WindowDelegate() {}
};
} // namespace aura
#endif // AURA_WINDOW_DELEGATE_H_
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