mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-04 16:15:25 +00:00
125 lines
3.7 KiB
C++
125 lines
3.7 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 "PendingAnimationTracker.h"
|
|
|
|
#include "mozilla/dom/AnimationTimeline.h"
|
|
#include "nsIFrame.h"
|
|
#include "nsIPresShell.h"
|
|
|
|
using namespace mozilla;
|
|
|
|
namespace mozilla {
|
|
|
|
NS_IMPL_CYCLE_COLLECTION(PendingAnimationTracker,
|
|
mPlayPendingSet,
|
|
mPausePendingSet,
|
|
mDocument)
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(PendingAnimationTracker, AddRef)
|
|
NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(PendingAnimationTracker, Release)
|
|
|
|
void
|
|
PendingAnimationTracker::AddPending(dom::Animation& aAnimation,
|
|
AnimationSet& aSet)
|
|
{
|
|
aSet.PutEntry(&aAnimation);
|
|
|
|
// Schedule a paint. Otherwise animations that don't trigger a paint by
|
|
// themselves (e.g. CSS animations with an empty keyframes rule) won't
|
|
// start until something else paints.
|
|
EnsurePaintIsScheduled();
|
|
}
|
|
|
|
void
|
|
PendingAnimationTracker::RemovePending(dom::Animation& aAnimation,
|
|
AnimationSet& aSet)
|
|
{
|
|
aSet.RemoveEntry(&aAnimation);
|
|
}
|
|
|
|
bool
|
|
PendingAnimationTracker::IsWaiting(const dom::Animation& aAnimation,
|
|
const AnimationSet& aSet) const
|
|
{
|
|
return aSet.Contains(const_cast<dom::Animation*>(&aAnimation));
|
|
}
|
|
|
|
void
|
|
PendingAnimationTracker::TriggerPendingAnimationsOnNextTick(const TimeStamp&
|
|
aReadyTime)
|
|
{
|
|
auto triggerAnimationsAtReadyTime = [aReadyTime](AnimationSet& aAnimationSet)
|
|
{
|
|
for (auto iter = aAnimationSet.Iter(); !iter.Done(); iter.Next()) {
|
|
dom::Animation* animation = iter.Get()->GetKey();
|
|
dom::AnimationTimeline* timeline = animation->GetTimeline();
|
|
|
|
// If the animation does not have a timeline, just drop it from the map.
|
|
// The animation will detect that it is not being tracked and will trigger
|
|
// itself on the next tick where it has a timeline.
|
|
if (!timeline) {
|
|
iter.Remove();
|
|
continue;
|
|
}
|
|
|
|
// When the timeline's refresh driver is under test control, its values
|
|
// have no correspondance to wallclock times so we shouldn't try to
|
|
// convert aReadyTime (which is a wallclock time) to a timeline value.
|
|
// Instead, the animation will be started/paused when the refresh driver
|
|
// is next advanced since this will trigger a call to
|
|
// TriggerPendingAnimationsNow.
|
|
if (!timeline->TracksWallclockTime()) {
|
|
continue;
|
|
}
|
|
|
|
Nullable<TimeDuration> readyTime = timeline->ToTimelineTime(aReadyTime);
|
|
animation->TriggerOnNextTick(readyTime);
|
|
|
|
iter.Remove();
|
|
}
|
|
};
|
|
|
|
triggerAnimationsAtReadyTime(mPlayPendingSet);
|
|
triggerAnimationsAtReadyTime(mPausePendingSet);
|
|
}
|
|
|
|
void
|
|
PendingAnimationTracker::TriggerPendingAnimationsNow()
|
|
{
|
|
auto triggerAndClearAnimations = [](AnimationSet& aAnimationSet) {
|
|
for (auto iter = aAnimationSet.Iter(); !iter.Done(); iter.Next()) {
|
|
iter.Get()->GetKey()->TriggerNow();
|
|
}
|
|
aAnimationSet.Clear();
|
|
};
|
|
|
|
triggerAndClearAnimations(mPlayPendingSet);
|
|
triggerAndClearAnimations(mPausePendingSet);
|
|
}
|
|
|
|
void
|
|
PendingAnimationTracker::EnsurePaintIsScheduled()
|
|
{
|
|
if (!mDocument) {
|
|
return;
|
|
}
|
|
|
|
nsIPresShell* presShell = mDocument->GetShell();
|
|
if (!presShell) {
|
|
return;
|
|
}
|
|
|
|
nsIFrame* rootFrame = presShell->GetRootFrame();
|
|
if (!rootFrame) {
|
|
return;
|
|
}
|
|
|
|
rootFrame->SchedulePaint();
|
|
}
|
|
|
|
} // namespace mozilla
|