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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 ASH_WM_WINDOW_ANIMATION_DELEGATE_H_
#define ASH_WM_WINDOW_ANIMATION_DELEGATE_H_
#include "ash/ash_export.h"
#include "base/compiler_specific.h"
namespace aura {
class Window;
}
namespace ash {
namespace internal {
// WindowAnimationDelegate is used to determine if a window should be animated.
// It is only queried if kChildWindowVisibilityChangesAnimatedKey is true.
// The delegate of the parent window is queried. If no delegate is installed
// it is treated as though animations are enabled.
class ASH_EXPORT WindowAnimationDelegate {
public:
WindowAnimationDelegate() {}
static void SetDelegate(aura::Window* window,
WindowAnimationDelegate* delegate);
static WindowAnimationDelegate* GetDelegate(aura::Window* window);
// Returns true if |window| should be animated.
virtual bool ShouldAnimateWindow(aura::Window* window) = 0;
protected:
virtual ~WindowAnimationDelegate() {}
};
} // namespace internal
} // namespace ash
#endif // ASH_WM_WINDOW_ANIMATION_DELEGATE_H_
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