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| 1 // Copyright 2017 The Chromium Authors. All rights reserved. | 1 // Copyright 2017 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef FrameLifecycle_h | 5 #ifndef FrameLifecycle_h |
| 6 #define FrameLifecycle_h | 6 #define FrameLifecycle_h |
| 7 | 7 |
| 8 #include "wtf/Noncopyable.h" | 8 #include "platform/wtf/Noncopyable.h" |
| 9 | 9 |
| 10 namespace blink { | 10 namespace blink { |
| 11 | 11 |
| 12 class FrameLifecycle { | 12 class FrameLifecycle { |
| 13 WTF_MAKE_NONCOPYABLE(FrameLifecycle); | 13 WTF_MAKE_NONCOPYABLE(FrameLifecycle); |
| 14 | 14 |
| 15 public: | 15 public: |
| 16 enum State { | 16 enum State { |
| 17 kAttached, | 17 kAttached, |
| 18 kDetaching, | 18 kDetaching, |
| 19 kDetached, | 19 kDetached, |
| 20 }; | 20 }; |
| 21 | 21 |
| 22 FrameLifecycle(); | 22 FrameLifecycle(); |
| 23 | 23 |
| 24 State GetState() const { return state_; } | 24 State GetState() const { return state_; } |
| 25 void AdvanceTo(State); | 25 void AdvanceTo(State); |
| 26 | 26 |
| 27 private: | 27 private: |
| 28 State state_; | 28 State state_; |
| 29 }; | 29 }; |
| 30 | 30 |
| 31 } // namespace blink | 31 } // namespace blink |
| 32 | 32 |
| 33 #endif // FrameLifecycle_h | 33 #endif // FrameLifecycle_h |
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