| // 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_ |