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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROMEOS_UI_FRAME_IMMERSIVE_IMMERSIVE_REVEALED_LOCK_H_
#define CHROMEOS_UI_FRAME_IMMERSIVE_IMMERSIVE_REVEALED_LOCK_H_
#include "base/component_export.h"
#include "base/memory/weak_ptr.h"
namespace chromeos {
// 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 COMPONENT_EXPORT(CHROMEOS_UI_FRAME) ImmersiveRevealedLock {
public:
class COMPONENT_EXPORT(CHROMEOS_UI_FRAME) 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(const ImmersiveRevealedLock&) = delete;
ImmersiveRevealedLock& operator=(const ImmersiveRevealedLock&) = delete;
~ImmersiveRevealedLock();
private:
base::WeakPtr<Delegate> delegate_;
};
} // namespace chromeos
#endif // CHROMEOS_UI_FRAME_IMMERSIVE_IMMERSIVE_REVEALED_LOCK_H_
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