| // Copyright 2016 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 ScopedOrientationChangeIndicator_h |
| #define ScopedOrientationChangeIndicator_h |
| |
| #include "platform/PlatformExport.h" |
| #include "platform/wtf/Allocator.h" |
| #include "platform/wtf/Noncopyable.h" |
| |
| namespace blink { |
| |
| class PLATFORM_EXPORT ScopedOrientationChangeIndicator final { |
| STACK_ALLOCATED(); |
| WTF_MAKE_NONCOPYABLE(ScopedOrientationChangeIndicator); |
| |
| public: |
| static bool ProcessingOrientationChange(); |
| |
| explicit ScopedOrientationChangeIndicator(); |
| ~ScopedOrientationChangeIndicator(); |
| |
| private: |
| enum class State { |
| kProcessing, |
| kNotProcessing, |
| }; |
| |
| static State state_; |
| |
| State previous_state_ = State::kNotProcessing; |
| }; |
| |
| } // namespace blink |
| |
| #endif |