forked from mirrors/gecko-dev
121 lines
4.3 KiB
C++
121 lines
4.3 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 file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AnimationTimeline.h"
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#include "mozilla/dom/Animation.h"
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namespace mozilla::dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(AnimationTimeline)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(AnimationTimeline)
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tmp->mAnimationOrder.clear();
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mWindow, mAnimations)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(AnimationTimeline)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mWindow, mAnimations)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(AnimationTimeline)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(AnimationTimeline)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(AnimationTimeline)
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NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
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NS_INTERFACE_MAP_ENTRY(nsISupports)
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NS_INTERFACE_MAP_END
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AnimationTimeline::AnimationTimeline(nsIGlobalObject* aWindow,
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RTPCallerType aRTPCallerType)
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: mWindow(aWindow), mRTPCallerType(aRTPCallerType) {
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MOZ_ASSERT(mWindow);
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}
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AnimationTimeline::~AnimationTimeline() { mAnimationOrder.clear(); }
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bool AnimationTimeline::Tick(TickState& aState) {
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bool needsTicks = false;
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nsTArray<Animation*> animationsToRemove;
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for (Animation* animation = mAnimationOrder.getFirst(); animation;
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animation =
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static_cast<LinkedListElement<Animation>*>(animation)->getNext()) {
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MOZ_ASSERT(mAnimations.Contains(animation),
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"The sampling order list should be a subset of the hashset");
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MOZ_ASSERT(!animation->IsHiddenByContentVisibility(),
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"The sampling order list should not contain any animations "
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"that are hidden by content-visibility");
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// Skip any animations that are longer need associated with this timeline.
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if (animation->GetTimeline() != this) {
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// If animation has some other timeline, it better not be also in the
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// animation list of this timeline object!
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MOZ_ASSERT(!animation->GetTimeline());
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animationsToRemove.AppendElement(animation);
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continue;
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}
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needsTicks |= animation->NeedsTicks();
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// Even if |animation| doesn't need future ticks, we should still
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// Tick it this time around since it might just need a one-off tick in
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// order to dispatch events.
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animation->Tick(aState);
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if (!animation->NeedsTicks()) {
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animationsToRemove.AppendElement(animation);
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}
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}
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for (Animation* animation : animationsToRemove) {
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RemoveAnimation(animation);
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}
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return needsTicks;
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}
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void AnimationTimeline::NotifyAnimationUpdated(Animation& aAnimation) {
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if (mAnimations.EnsureInserted(&aAnimation)) {
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if (aAnimation.GetTimeline() && aAnimation.GetTimeline() != this) {
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aAnimation.GetTimeline()->RemoveAnimation(&aAnimation);
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}
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if (!aAnimation.IsHiddenByContentVisibility()) {
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mAnimationOrder.insertBack(&aAnimation);
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}
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}
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}
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void AnimationTimeline::RemoveAnimation(Animation* aAnimation) {
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MOZ_ASSERT(!aAnimation->GetTimeline() || aAnimation->GetTimeline() == this);
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if (static_cast<LinkedListElement<Animation>*>(aAnimation)->isInList()) {
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MOZ_ASSERT(mAnimations.Contains(aAnimation),
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"The sampling order list should be a subset of the hashset");
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static_cast<LinkedListElement<Animation>*>(aAnimation)->remove();
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}
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mAnimations.Remove(aAnimation);
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}
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void AnimationTimeline::NotifyAnimationContentVisibilityChanged(
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Animation* aAnimation, bool aIsVisible) {
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bool inList =
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static_cast<LinkedListElement<Animation>*>(aAnimation)->isInList();
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MOZ_ASSERT(!inList || mAnimations.Contains(aAnimation),
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"The sampling order list should be a subset of the hashset");
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if (aIsVisible && !inList && mAnimations.Contains(aAnimation)) {
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mAnimationOrder.insertBack(aAnimation);
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} else if (!aIsVisible && inList) {
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static_cast<LinkedListElement<Animation>*>(aAnimation)->remove();
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}
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}
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void AnimationTimeline::UpdateHiddenByContentVisibility() {
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for (Animation* animation : mAnimations) {
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animation->UpdateHiddenByContentVisibility();
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}
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}
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} // namespace mozilla::dom
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