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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) 2013 Google Inc. All Rights Reserved. | 3 * Copyright (C) 2013 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 |
| 11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
| 12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
| 13 * | 13 * |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 * | 25 * |
| 26 */ | 26 */ |
| 27 | 27 |
| 28 #include "core/dom/ContextLifecycleNotifier.h" | 28 #include "core/dom/ContextLifecycleNotifier.h" |
| 29 | 29 |
| 30 #include "core/dom/ActiveDOMObject.h" | 30 #include "core/dom/SuspendableObject.h" |
| 31 #include "wtf/AutoReset.h" | 31 #include "wtf/AutoReset.h" |
| 32 | 32 |
| 33 namespace blink { | 33 namespace blink { |
| 34 | 34 |
| 35 void ContextLifecycleNotifier::notifyResumingActiveDOMObjects() { | 35 void ContextLifecycleNotifier::notifyResumingSuspendableObjects() { |
| 36 AutoReset<IterationState> scope(&m_iterationState, AllowingNone); | 36 AutoReset<IterationState> scope(&m_iterationState, AllowingNone); |
| 37 for (ContextLifecycleObserver* observer : m_observers) { | 37 for (ContextLifecycleObserver* observer : m_observers) { |
| 38 if (observer->observerType() != | 38 if (observer->observerType() != |
| 39 ContextLifecycleObserver::ActiveDOMObjectType) | 39 ContextLifecycleObserver::SuspendableObjectType) |
| 40 continue; | 40 continue; |
| 41 ActiveDOMObject* activeDOMObject = static_cast<ActiveDOMObject*>(observer); | 41 SuspendableObject* activeDOMObject = |
| 42 static_cast<SuspendableObject*>(observer); |
| 42 #if DCHECK_IS_ON() | 43 #if DCHECK_IS_ON() |
| 43 DCHECK_EQ(activeDOMObject->getExecutionContext(), context()); | 44 DCHECK_EQ(activeDOMObject->getExecutionContext(), context()); |
| 44 DCHECK(activeDOMObject->suspendIfNeededCalled()); | 45 DCHECK(activeDOMObject->suspendIfNeededCalled()); |
| 45 #endif | 46 #endif |
| 46 activeDOMObject->resume(); | 47 activeDOMObject->resume(); |
| 47 } | 48 } |
| 48 } | 49 } |
| 49 | 50 |
| 50 void ContextLifecycleNotifier::notifySuspendingActiveDOMObjects() { | 51 void ContextLifecycleNotifier::notifySuspendingSuspendableObjects() { |
| 51 AutoReset<IterationState> scope(&m_iterationState, AllowingNone); | 52 AutoReset<IterationState> scope(&m_iterationState, AllowingNone); |
| 52 for (ContextLifecycleObserver* observer : m_observers) { | 53 for (ContextLifecycleObserver* observer : m_observers) { |
| 53 if (observer->observerType() != | 54 if (observer->observerType() != |
| 54 ContextLifecycleObserver::ActiveDOMObjectType) | 55 ContextLifecycleObserver::SuspendableObjectType) |
| 55 continue; | 56 continue; |
| 56 ActiveDOMObject* activeDOMObject = static_cast<ActiveDOMObject*>(observer); | 57 SuspendableObject* activeDOMObject = |
| 58 static_cast<SuspendableObject*>(observer); |
| 57 #if DCHECK_IS_ON() | 59 #if DCHECK_IS_ON() |
| 58 DCHECK_EQ(activeDOMObject->getExecutionContext(), context()); | 60 DCHECK_EQ(activeDOMObject->getExecutionContext(), context()); |
| 59 DCHECK(activeDOMObject->suspendIfNeededCalled()); | 61 DCHECK(activeDOMObject->suspendIfNeededCalled()); |
| 60 #endif | 62 #endif |
| 61 activeDOMObject->suspend(); | 63 activeDOMObject->suspend(); |
| 62 } | 64 } |
| 63 } | 65 } |
| 64 | 66 |
| 65 unsigned ContextLifecycleNotifier::activeDOMObjectCount() const { | 67 unsigned ContextLifecycleNotifier::activeDOMObjectCount() const { |
| 66 DCHECK(!isIteratingOverObservers()); | 68 DCHECK(!isIteratingOverObservers()); |
| 67 unsigned activeDOMObjects = 0; | 69 unsigned activeDOMObjects = 0; |
| 68 for (ContextLifecycleObserver* observer : m_observers) { | 70 for (ContextLifecycleObserver* observer : m_observers) { |
| 69 if (observer->observerType() != | 71 if (observer->observerType() != |
| 70 ContextLifecycleObserver::ActiveDOMObjectType) | 72 ContextLifecycleObserver::SuspendableObjectType) |
| 71 continue; | 73 continue; |
| 72 activeDOMObjects++; | 74 activeDOMObjects++; |
| 73 } | 75 } |
| 74 return activeDOMObjects; | 76 return activeDOMObjects; |
| 75 } | 77 } |
| 76 | 78 |
| 77 #if DCHECK_IS_ON() | 79 #if DCHECK_IS_ON() |
| 78 bool ContextLifecycleNotifier::contains(ActiveDOMObject* object) const { | 80 bool ContextLifecycleNotifier::contains(SuspendableObject* object) const { |
| 79 DCHECK(!isIteratingOverObservers()); | 81 DCHECK(!isIteratingOverObservers()); |
| 80 for (ContextLifecycleObserver* observer : m_observers) { | 82 for (ContextLifecycleObserver* observer : m_observers) { |
| 81 if (observer->observerType() != | 83 if (observer->observerType() != |
| 82 ContextLifecycleObserver::ActiveDOMObjectType) | 84 ContextLifecycleObserver::SuspendableObjectType) |
| 83 continue; | 85 continue; |
| 84 ActiveDOMObject* activeDOMObject = static_cast<ActiveDOMObject*>(observer); | 86 SuspendableObject* activeDOMObject = |
| 87 static_cast<SuspendableObject*>(observer); |
| 85 if (activeDOMObject == object) | 88 if (activeDOMObject == object) |
| 86 return true; | 89 return true; |
| 87 } | 90 } |
| 88 return false; | 91 return false; |
| 89 } | 92 } |
| 90 #endif | 93 #endif |
| 91 | 94 |
| 92 } // namespace blink | 95 } // namespace blink |
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