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| 1 /* | 1 /* |
| 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. | 2 * Copyright (C) 2008 Apple Inc. All Rights Reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
| 8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
| 10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
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| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 24 * | 24 * |
| 25 */ | 25 */ |
| 26 | 26 |
| 27 #ifndef SuspendableObject_h | 27 #ifndef SuspendableObject_h |
| 28 #define SuspendableObject_h | 28 #define SuspendableObject_h |
| 29 | 29 |
| 30 #include "core/CoreExport.h" | 30 #include "core/CoreExport.h" |
| 31 #include "core/dom/ContextLifecycleObserver.h" | 31 #include "core/dom/ContextLifecycleObserver.h" |
| 32 #include "wtf/Assertions.h" | 32 #include "platform/wtf/Assertions.h" |
| 33 | 33 |
| 34 namespace blink { | 34 namespace blink { |
| 35 | 35 |
| 36 class CORE_EXPORT SuspendableObject : public ContextLifecycleObserver { | 36 class CORE_EXPORT SuspendableObject : public ContextLifecycleObserver { |
| 37 public: | 37 public: |
| 38 explicit SuspendableObject(ExecutionContext*); | 38 explicit SuspendableObject(ExecutionContext*); |
| 39 | 39 |
| 40 // suspendIfNeeded() should be called exactly once after object construction | 40 // suspendIfNeeded() should be called exactly once after object construction |
| 41 // to synchronize the suspend state with that in ExecutionContext. | 41 // to synchronize the suspend state with that in ExecutionContext. |
| 42 void SuspendIfNeeded(); | 42 void SuspendIfNeeded(); |
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| 56 | 56 |
| 57 private: | 57 private: |
| 58 #if DCHECK_IS_ON() | 58 #if DCHECK_IS_ON() |
| 59 bool suspend_if_needed_called_; | 59 bool suspend_if_needed_called_; |
| 60 #endif | 60 #endif |
| 61 }; | 61 }; |
| 62 | 62 |
| 63 } // namespace blink | 63 } // namespace blink |
| 64 | 64 |
| 65 #endif // SuspendableObject_h | 65 #endif // SuspendableObject_h |
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