| // Copyright 2017 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 THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_FRAME_LIFECYCLE_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_FRAME_LIFECYCLE_H_ |
| |
| #include "base/macros.h" |
| |
| namespace blink { |
| |
| class FrameLifecycle { |
| public: |
| enum State { |
| kAttached, |
| kDetaching, |
| kDetached, |
| }; |
| |
| FrameLifecycle(); |
| |
| State GetState() const { return state_; } |
| void AdvanceTo(State); |
| |
| private: |
| State state_; |
| |
| DISALLOW_COPY_AND_ASSIGN(FrameLifecycle); |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_CORE_FRAME_FRAME_LIFECYCLE_H_ |