gecko-dev/dom/animation/AnimationTimeline.cpp

106 строки
3.4 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 "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_SCRIPT_OBJECTS
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::GetAnimations(AnimationSequence& aAnimations)
{
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(mWindow);
if (mWindow) {
nsIDocument* doc = window->GetDoc();
if (doc) {
doc->FlushPendingNotifications(Flush_Style);
}
}
aAnimations.SetCapacity(mAnimations.Count());
for (Animation* animation = mAnimationOrder.getFirst(); animation;
animation = animation->getNext()) {
// Skip animations which are no longer relevant or which have been
// associated with another timeline. These animations will be removed
// on the next tick.
if (!animation->IsRelevant() || animation->GetTimeline() != this) {
continue;
}
// Bug 1174575: Until we implement a suitable PseudoElement interface we
// don't have anything to return for the |target| attribute of
// KeyframeEffect(ReadOnly) objects that refer to pseudo-elements.
// Rather than return some half-baked version of these objects (e.g.
// we a null effect attribute) we simply don't provide access to animations
// whose effect refers to a pseudo-element until we can support them
// properly.
Element* target;
nsCSSPseudoElements::Type pseudoType;
animation->GetEffect()->GetTarget(target, pseudoType);
if (pseudoType == nsCSSPseudoElements::ePseudo_NotPseudoElement) {
aAnimations.AppendElement(animation);
}
}
// Sort animations by priority
aAnimations.Sort(AnimationPtrComparator<RefPtr<Animation>>());
}
void
AnimationTimeline::NotifyAnimationUpdated(Animation& aAnimation)
{
if (mAnimations.Contains(&aAnimation)) {
return;
}
if (aAnimation.GetTimeline() && aAnimation.GetTimeline() != this) {
aAnimation.GetTimeline()->RemoveAnimation(&aAnimation);
}
mAnimations.PutEntry(&aAnimation);
mAnimationOrder.insertBack(&aAnimation);
}
void
AnimationTimeline::RemoveAnimation(Animation* aAnimation)
{
MOZ_ASSERT(!aAnimation->GetTimeline() || aAnimation->GetTimeline() == this);
if (aAnimation->isInList()) {
aAnimation->remove();
}
mAnimations.RemoveEntry(aAnimation);
}
} // namespace dom
} // namespace mozilla