gecko-dev/dom/animation/AnimationEventDispatcher.cpp

71 строка
2.2 KiB
C++

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