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/* -*- 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::dom {
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_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_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
AnimationTimeline::AnimationTimeline(nsIGlobalObject* aWindow,
RTPCallerType aRTPCallerType)
: mWindow(aWindow), mRTPCallerType(aRTPCallerType) {
MOZ_ASSERT(mWindow);
}
AnimationTimeline::~AnimationTimeline() { mAnimationOrder.clear(); }
bool AnimationTimeline::Tick() {
bool needsTicks = false;
nsTArray<Animation*> animationsToRemove;
for (Animation* animation = mAnimationOrder.getFirst(); animation;
animation =
static_cast<LinkedListElement<Animation>*>(animation)->getNext()) {
MOZ_ASSERT(mAnimations.Contains(animation),
"The sampling order list should be a subset of the hashset");
MOZ_ASSERT(!animation->IsHiddenByContentVisibility(),
"The sampling order list should not contain any animations "
"that are hidden by content-visibility");
// Skip any animations that are longer need associated with this timeline.
if (animation->GetTimeline() != this) {
// If animation has some other timeline, it better not be also in the
// animation list of this timeline object!
MOZ_ASSERT(!animation->GetTimeline());
animationsToRemove.AppendElement(animation);
continue;
}
needsTicks |= animation->NeedsTicks();
// Even if |animation| doesn't need future ticks, we should still
// Tick it this time around since it might just need a one-off tick in
// order to dispatch events.
animation->Tick();
if (!animation->NeedsTicks()) {
animationsToRemove.AppendElement(animation);
}
}
for (Animation* animation : animationsToRemove) {
RemoveAnimation(animation);
}
return needsTicks;
}
void AnimationTimeline::NotifyAnimationUpdated(Animation& aAnimation) {
if (mAnimations.EnsureInserted(&aAnimation)) {
if (aAnimation.GetTimeline() && aAnimation.GetTimeline() != this) {
aAnimation.GetTimeline()->RemoveAnimation(&aAnimation);
}
if (!aAnimation.IsHiddenByContentVisibility()) {
mAnimationOrder.insertBack(&aAnimation);
}
}
}
void AnimationTimeline::RemoveAnimation(Animation* aAnimation) {
MOZ_ASSERT(!aAnimation->GetTimeline() || aAnimation->GetTimeline() == this);
if (static_cast<LinkedListElement<Animation>*>(aAnimation)->isInList()) {
MOZ_ASSERT(mAnimations.Contains(aAnimation),
"The sampling order list should be a subset of the hashset");
static_cast<LinkedListElement<Animation>*>(aAnimation)->remove();
}
mAnimations.Remove(aAnimation);
}
void AnimationTimeline::NotifyAnimationContentVisibilityChanged(
Animation* aAnimation, bool aIsVisible) {
bool inList =
static_cast<LinkedListElement<Animation>*>(aAnimation)->isInList();
MOZ_ASSERT(!inList || mAnimations.Contains(aAnimation),
"The sampling order list should be a subset of the hashset");
if (aIsVisible && !inList && mAnimations.Contains(aAnimation)) {
mAnimationOrder.insertBack(aAnimation);
} else if (!aIsVisible && inList) {
static_cast<LinkedListElement<Animation>*>(aAnimation)->remove();
}
}
} // namespace mozilla::dom
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