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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 |
| (...skipping 19 matching lines...) Expand all Loading... |
| 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 "wtf/Assertions.h" |
| 33 | 33 |
| 34 namespace blink { | 34 namespace blink { |
| 35 | 35 |
| 36 class CORE_EXPORT ActiveDOMObject : public ContextLifecycleObserver { | 36 class CORE_EXPORT ActiveDOMObject : public ContextLifecycleObserver { |
| 37 public: | 37 public: |
| 38 ActiveDOMObject(ExecutionContext*); | 38 ActiveDOMObject(ExecutionContext*); |
| 39 | 39 |
| 40 // suspendIfNeeded() should be called exactly once after object construction t
o synchronize | 40 // suspendIfNeeded() should be called exactly once after object construction |
| 41 // the suspend state with that in ExecutionContext. | 41 // to synchronize the suspend state with that in ExecutionContext. |
| 42 void suspendIfNeeded(); | 42 void suspendIfNeeded(); |
| 43 #if DCHECK_IS_ON() | 43 #if DCHECK_IS_ON() |
| 44 bool suspendIfNeededCalled() const { return m_suspendIfNeededCalled; } | 44 bool suspendIfNeededCalled() const { return m_suspendIfNeededCalled; } |
| 45 #endif | 45 #endif |
| 46 | 46 |
| 47 // These methods have an empty default implementation so that subclasses | 47 // These methods have an empty default implementation so that subclasses |
| 48 // which don't need special treatment can skip implementation. | 48 // which don't need special treatment can skip implementation. |
| 49 virtual void suspend(); | 49 virtual void suspend(); |
| 50 virtual void resume(); | 50 virtual void resume(); |
| 51 virtual void stop(); | 51 virtual void stop(); |
| 52 | 52 |
| 53 void didMoveToNewExecutionContext(ExecutionContext*); | 53 void didMoveToNewExecutionContext(ExecutionContext*); |
| 54 | 54 |
| 55 protected: | 55 protected: |
| 56 virtual ~ActiveDOMObject(); | 56 virtual ~ActiveDOMObject(); |
| 57 | 57 |
| 58 private: | 58 private: |
| 59 #if DCHECK_IS_ON() | 59 #if DCHECK_IS_ON() |
| 60 bool m_suspendIfNeededCalled; | 60 bool m_suspendIfNeededCalled; |
| 61 #endif | 61 #endif |
| 62 }; | 62 }; |
| 63 | 63 |
| 64 } // namespace blink | 64 } // namespace blink |
| 65 | 65 |
| 66 #endif // ActiveDOMObject_h | 66 #endif // ActiveDOMObject_h |
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