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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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| 41 #include "platform/weborigin/SecurityPolicy.h" | 41 #include "platform/weborigin/SecurityPolicy.h" |
| 42 #include "wtf/PtrUtil.h" | 42 #include "wtf/PtrUtil.h" |
| 43 #include <memory> | 43 #include <memory> |
| 44 | 44 |
| 45 namespace blink { | 45 namespace blink { |
| 46 | 46 |
| 47 ExecutionContext::ExecutionContext() | 47 ExecutionContext::ExecutionContext() |
| 48 : m_circularSequentialID(0), | 48 : m_circularSequentialID(0), |
| 49 m_inDispatchErrorEvent(false), | 49 m_inDispatchErrorEvent(false), |
| 50 m_activeDOMObjectsAreSuspended(false), | 50 m_activeDOMObjectsAreSuspended(false), |
| 51 m_activeDOMObjectsAreStopped(false), | |
| 52 m_windowInteractionTokens(0), | 51 m_windowInteractionTokens(0), |
| 53 m_isRunSuspendableTasksScheduled(false), | 52 m_isRunSuspendableTasksScheduled(false), |
| 54 m_referrerPolicy(ReferrerPolicyDefault) {} | 53 m_referrerPolicy(ReferrerPolicyDefault) {} |
| 55 | 54 |
| 56 ExecutionContext::~ExecutionContext() {} | 55 ExecutionContext::~ExecutionContext() {} |
| 57 | 56 |
| 58 void ExecutionContext::suspendActiveDOMObjects() { | 57 void ExecutionContext::suspendActiveDOMObjects() { |
| 59 DCHECK(!m_activeDOMObjectsAreSuspended); | 58 DCHECK(!m_activeDOMObjectsAreSuspended); |
| 60 notifySuspendingActiveDOMObjects(); | 59 notifySuspendingActiveDOMObjects(); |
| 61 m_activeDOMObjectsAreSuspended = true; | 60 m_activeDOMObjectsAreSuspended = true; |
| 62 } | 61 } |
| 63 | 62 |
| 64 void ExecutionContext::resumeActiveDOMObjects() { | 63 void ExecutionContext::resumeActiveDOMObjects() { |
| 65 DCHECK(m_activeDOMObjectsAreSuspended); | 64 DCHECK(m_activeDOMObjectsAreSuspended); |
| 66 m_activeDOMObjectsAreSuspended = false; | 65 m_activeDOMObjectsAreSuspended = false; |
| 67 notifyResumingActiveDOMObjects(); | 66 notifyResumingActiveDOMObjects(); |
| 68 } | 67 } |
| 69 | 68 |
| 70 void ExecutionContext::postSuspendableTask( | 69 void ExecutionContext::postSuspendableTask( |
| 71 std::unique_ptr<SuspendableTask> task) { | 70 std::unique_ptr<SuspendableTask> task) { |
| 72 m_suspendedTasks.append(std::move(task)); | 71 m_suspendedTasks.append(std::move(task)); |
| 73 if (!m_activeDOMObjectsAreSuspended) | 72 if (!m_activeDOMObjectsAreSuspended) |
| 74 postTask(BLINK_FROM_HERE, | 73 postTask(BLINK_FROM_HERE, |
| 75 createSameThreadTask(&ExecutionContext::runSuspendableTasks, | 74 createSameThreadTask(&ExecutionContext::runSuspendableTasks, |
| 76 wrapPersistent(this))); | 75 wrapPersistent(this))); |
| 77 } | 76 } |
| 78 | 77 |
| 79 void ExecutionContext::notifyContextDestroyed() { | 78 void ExecutionContext::notifyContextDestroyed() { |
| 80 m_activeDOMObjectsAreStopped = true; | |
| 81 | |
| 82 Deque<std::unique_ptr<SuspendableTask>> suspendedTasks; | 79 Deque<std::unique_ptr<SuspendableTask>> suspendedTasks; |
| 83 suspendedTasks.swap(m_suspendedTasks); | 80 suspendedTasks.swap(m_suspendedTasks); |
| 84 for (Deque<std::unique_ptr<SuspendableTask>>::iterator it = | 81 for (Deque<std::unique_ptr<SuspendableTask>>::iterator it = |
| 85 suspendedTasks.begin(); | 82 suspendedTasks.begin(); |
| 86 it != suspendedTasks.end(); ++it) | 83 it != suspendedTasks.end(); ++it) |
| 87 (*it)->contextDestroyed(); | 84 (*it)->contextDestroyed(); |
| 88 ContextLifecycleNotifier::notifyContextDestroyed(); | 85 ContextLifecycleNotifier::notifyContextDestroyed(); |
| 89 } | 86 } |
| 90 | 87 |
| 91 void ExecutionContext::suspendScheduledTasks() { | 88 void ExecutionContext::suspendScheduledTasks() { |
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| 270 } | 267 } |
| 271 | 268 |
| 272 DEFINE_TRACE(ExecutionContext) { | 269 DEFINE_TRACE(ExecutionContext) { |
| 273 visitor->trace(m_publicURLManager); | 270 visitor->trace(m_publicURLManager); |
| 274 visitor->trace(m_pendingExceptions); | 271 visitor->trace(m_pendingExceptions); |
| 275 ContextLifecycleNotifier::trace(visitor); | 272 ContextLifecycleNotifier::trace(visitor); |
| 276 Supplementable<ExecutionContext>::trace(visitor); | 273 Supplementable<ExecutionContext>::trace(visitor); |
| 277 } | 274 } |
| 278 | 275 |
| 279 } // namespace blink | 276 } // namespace blink |
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