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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 * Copyright (C) 2012 Google Inc. All Rights Reserved. | 3 * Copyright (C) 2012 Google Inc. All Rights Reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
| 7 * are met: | 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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| 131 | 131 |
| 132 virtual void suspendScheduledTasks(); | 132 virtual void suspendScheduledTasks(); |
| 133 virtual void resumeScheduledTasks(); | 133 virtual void resumeScheduledTasks(); |
| 134 virtual bool tasksNeedSuspension() { return false; } | 134 virtual bool tasksNeedSuspension() { return false; } |
| 135 virtual void tasksWereSuspended() {} | 135 virtual void tasksWereSuspended() {} |
| 136 virtual void tasksWereResumed() {} | 136 virtual void tasksWereResumed() {} |
| 137 | 137 |
| 138 bool activeDOMObjectsAreSuspended() const { | 138 bool activeDOMObjectsAreSuspended() const { |
| 139 return m_activeDOMObjectsAreSuspended; | 139 return m_activeDOMObjectsAreSuspended; |
| 140 } | 140 } |
| 141 bool activeDOMObjectsAreStopped() const { | |
| 142 return m_activeDOMObjectsAreStopped; | |
| 143 } | |
| 144 | 141 |
| 145 // Called after the construction of an ActiveDOMObject to synchronize suspend | 142 // Called after the construction of an ActiveDOMObject to synchronize suspend |
| 146 // state. | 143 // state. |
| 147 void suspendActiveDOMObjectIfNeeded(ActiveDOMObject*); | 144 void suspendActiveDOMObjectIfNeeded(ActiveDOMObject*); |
| 148 | 145 |
| 149 // Gets the next id in a circular sequence from 1 to 2^31-1. | 146 // Gets the next id in a circular sequence from 1 to 2^31-1. |
| 150 int circularSequentialID(); | 147 int circularSequentialID(); |
| 151 | 148 |
| 152 virtual EventTarget* errorEventTarget() = 0; | 149 virtual EventTarget* errorEventTarget() = 0; |
| 153 virtual EventQueue* getEventQueue() const = 0; | 150 virtual EventQueue* getEventQueue() const = 0; |
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| 190 private: | 187 private: |
| 191 bool dispatchErrorEventInternal(ErrorEvent*, AccessControlStatus); | 188 bool dispatchErrorEventInternal(ErrorEvent*, AccessControlStatus); |
| 192 void runSuspendableTasks(); | 189 void runSuspendableTasks(); |
| 193 | 190 |
| 194 unsigned m_circularSequentialID; | 191 unsigned m_circularSequentialID; |
| 195 | 192 |
| 196 bool m_inDispatchErrorEvent; | 193 bool m_inDispatchErrorEvent; |
| 197 HeapVector<Member<ErrorEvent>> m_pendingExceptions; | 194 HeapVector<Member<ErrorEvent>> m_pendingExceptions; |
| 198 | 195 |
| 199 bool m_activeDOMObjectsAreSuspended; | 196 bool m_activeDOMObjectsAreSuspended; |
| 200 bool m_activeDOMObjectsAreStopped; | |
| 201 | 197 |
| 202 Member<PublicURLManager> m_publicURLManager; | 198 Member<PublicURLManager> m_publicURLManager; |
| 203 | 199 |
| 204 // Counter that keeps track of how many window interaction calls are allowed | 200 // Counter that keeps track of how many window interaction calls are allowed |
| 205 // for this ExecutionContext. Callers are expected to call | 201 // for this ExecutionContext. Callers are expected to call |
| 206 // |allowWindowInteraction()| and |consumeWindowInteraction()| in order to | 202 // |allowWindowInteraction()| and |consumeWindowInteraction()| in order to |
| 207 // increment and decrement the counter. | 203 // increment and decrement the counter. |
| 208 int m_windowInteractionTokens; | 204 int m_windowInteractionTokens; |
| 209 | 205 |
| 210 Deque<std::unique_ptr<SuspendableTask>> m_suspendedTasks; | 206 Deque<std::unique_ptr<SuspendableTask>> m_suspendedTasks; |
| 211 bool m_isRunSuspendableTasksScheduled; | 207 bool m_isRunSuspendableTasksScheduled; |
| 212 | 208 |
| 213 ReferrerPolicy m_referrerPolicy; | 209 ReferrerPolicy m_referrerPolicy; |
| 214 }; | 210 }; |
| 215 | 211 |
| 216 } // namespace blink | 212 } // namespace blink |
| 217 | 213 |
| 218 #endif // ExecutionContext_h | 214 #endif // ExecutionContext_h |
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