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// Copyright 2013 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_IMMERSIVE_REVEALED_LOCK_H_
#define ASH_WM_IMMERSIVE_REVEALED_LOCK_H_
#include "ash/ash_export.h"
#include "base/basictypes.h"
#include "base/memory/weak_ptr.h"
namespace ash {
// Class which keeps the top-of-window views revealed for the duration of its
// lifetime. If acquiring the lock causes a reveal, the top-of-window views
// will animate according to the |animate_reveal| parameter passed in the
// constructor. See ImmersiveFullscreenController::GetRevealedLock() for more
// details.
class ASH_EXPORT ImmersiveRevealedLock {
public:
class ASH_EXPORT Delegate {
public:
enum AnimateReveal {
ANIMATE_REVEAL_YES,
ANIMATE_REVEAL_NO
};
virtual void LockRevealedState(AnimateReveal animate_reveal) = 0;
virtual void UnlockRevealedState() = 0;
protected:
virtual ~Delegate() {}
};
ImmersiveRevealedLock(const base::WeakPtr<Delegate>& delegate,
Delegate::AnimateReveal animate_reveal);
~ImmersiveRevealedLock();
private:
base::WeakPtr<Delegate> delegate_;
DISALLOW_COPY_AND_ASSIGN(ImmersiveRevealedLock);
};
} // namespace ash
#endif // ASH_WM_IMMERSIVE_REVEALED_LOCK_H_
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