forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			65 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			65 lines
		
	
	
	
		
			2.2 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #include "mozilla/AnimationEventDispatcher.h"
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| 
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| #include "mozilla/EventDispatcher.h"
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| #include "nsPresContext.h"
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| #include "nsRefreshDriver.h"
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| 
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| namespace mozilla {
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| 
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| NS_IMPL_CYCLE_COLLECTION_CLASS(AnimationEventDispatcher)
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| NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(AnimationEventDispatcher)
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|   tmp->ClearEventQueue();
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| NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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| NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(AnimationEventDispatcher)
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|   for (auto& info : tmp->mPendingEvents) {
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|     ImplCycleCollectionTraverse(
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|         cb, info.mTarget,
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|         "mozilla::AnimationEventDispatcher.mPendingEvents.mTarget");
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|     ImplCycleCollectionTraverse(
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|         cb, info.mAnimation,
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|         "mozilla::AnimationEventDispatcher.mPendingEvents.mAnimation");
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|   }
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| NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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| 
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| NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(AnimationEventDispatcher, AddRef)
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| NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(AnimationEventDispatcher, Release)
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| 
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| void AnimationEventDispatcher::Disconnect() {
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|   if (mIsObserving) {
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|     MOZ_ASSERT(mPresContext && mPresContext->RefreshDriver(),
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|                "The pres context and the refresh driver should be still "
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|                "alive if we haven't disassociated from the refresh driver");
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|     mPresContext->RefreshDriver()->CancelPendingAnimationEvents(this);
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|     mIsObserving = false;
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|   }
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|   mPresContext = nullptr;
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| }
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| 
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| void AnimationEventDispatcher::QueueEvent(AnimationEventInfo&& aEvent) {
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|   mPendingEvents.AppendElement(std::move(aEvent));
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|   mIsSorted = false;
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|   ScheduleDispatch();
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| }
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| 
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| void AnimationEventDispatcher::QueueEvents(
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|     nsTArray<AnimationEventInfo>&& aEvents) {
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|   mPendingEvents.AppendElements(std::move(aEvents));
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|   mIsSorted = false;
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|   ScheduleDispatch();
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| }
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| 
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| void AnimationEventDispatcher::ScheduleDispatch() {
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|   MOZ_ASSERT(mPresContext, "The pres context should be valid");
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|   if (!mIsObserving) {
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|     mPresContext->RefreshDriver()->ScheduleAnimationEventDispatch(this);
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|     mIsObserving = true;
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|   }
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| }
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| 
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| }  // namespace mozilla
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