dom/animation/AnimationTimeline.cpp
author Olli Pettay <Olli.Pettay@helsinki.fi>
Fri, 04 May 2018 19:25:05 +0300
changeset 473036 91ba35aee7500d305a5fb1446281268ef019d02c
parent 415826 0967c5855bb7df8b805b6e8e02cef2de3ede262b
child 508163 6f3709b3878117466168c40affa7bca0b60cf75b
permissions -rw-r--r--
bug 1457867, store DOMEventTargetHelper objects in global object as a linked list, r=bkelly

/* -*- 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 "AnimationTimeline.h"
#include "mozilla/AnimationComparator.h"
#include "mozilla/dom/Animation.h"

namespace mozilla {
namespace dom {

NS_IMPL_CYCLE_COLLECTION_CLASS(AnimationTimeline)

NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(AnimationTimeline)
  tmp->mAnimationOrder.clear();
  NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow, mAnimations)
  NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
NS_IMPL_CYCLE_COLLECTION_UNLINK_END

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(AnimationTimeline)
  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow, mAnimations)
NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END

NS_IMPL_CYCLE_COLLECTION_TRACE_WRAPPERCACHE(AnimationTimeline)

NS_IMPL_CYCLE_COLLECTING_ADDREF(AnimationTimeline)
NS_IMPL_CYCLE_COLLECTING_RELEASE(AnimationTimeline)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AnimationTimeline)
  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END

void
AnimationTimeline::NotifyAnimationUpdated(Animation& aAnimation)
{
  if (mAnimations.EnsureInserted(&aAnimation)) {
    if (aAnimation.GetTimeline() && aAnimation.GetTimeline() != this) {
      aAnimation.GetTimeline()->RemoveAnimation(&aAnimation);
    }
    mAnimationOrder.insertBack(&aAnimation);
  }
}

void
AnimationTimeline::RemoveAnimation(Animation* aAnimation)
{
  MOZ_ASSERT(!aAnimation->GetTimeline() || aAnimation->GetTimeline() == this);
  if (static_cast<LinkedListElement<Animation>*>(aAnimation)->isInList()) {
    static_cast<LinkedListElement<Animation>*>(aAnimation)->remove();
  }
  mAnimations.RemoveEntry(aAnimation);
}

} // namespace dom
} // namespace mozilla