| // Copyright 2019 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 DEVICE_VR_TEST_LOCKED_VR_TEST_HOOK_H_ |
| #define DEVICE_VR_TEST_LOCKED_VR_TEST_HOOK_H_ |
| |
| #include "base/synchronization/lock.h" |
| |
| namespace device { |
| |
| class VRTestHook; |
| |
| // Provides thread safe access to a VRTestHook. Holds the lock as long as the |
| // object is alive. |
| class LockedVRTestHook { |
| public: |
| explicit LockedVRTestHook(VRTestHook* test_hook); |
| ~LockedVRTestHook(); |
| |
| VRTestHook* GetHook(); |
| |
| private: |
| VRTestHook* test_hook_; |
| }; |
| |
| // Singleton Lock holder. Workaround for not being able to have a static member |
| // lock due to not being able to re-assign. |
| class LockProvider { |
| public: |
| static base::Lock* GetLock(); |
| ~LockProvider(); |
| |
| private: |
| LockProvider(); |
| static LockProvider* instance_; |
| base::Lock lock_; |
| }; |
| |
| } // namespace device |
| |
| #endif // DEVICE_VR_TEST_LOCKED_VR_TEST_HOOK_H_ |