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94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
/* vim: set shiftwidth=2 tabstop=8 autoindent cindent expandtab: */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "AnimationPlayer.h"
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#include "mozilla/dom/AnimationPlayerBinding.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(AnimationPlayer, mTimeline, mSource)
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NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(AnimationPlayer, AddRef)
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NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(AnimationPlayer, Release)
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JSObject*
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AnimationPlayer::WrapObject(JSContext* aCx)
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{
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return dom::AnimationPlayerBinding::Wrap(aCx, this);
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}
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Nullable<double>
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AnimationPlayer::GetStartTime() const
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{
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return mTimeline->ToTimelineTime(mStartTime);
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}
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Nullable<double>
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AnimationPlayer::GetCurrentTime() const
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{
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Nullable<double> result;
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Nullable<TimeDuration> currentTime = GetCurrentTimeDuration();
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// The current time is currently only going to be null when don't have a
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// refresh driver (e.g. because we are in a display:none iframe).
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//
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// Web Animations says that in this case we should use a timeline time of
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// 0 (the "effective timeline time") and calculate the current time from that.
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// Doing that, however, requires storing the start time as an offset rather
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// than a timestamp so for now we just return 0.
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//
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// FIXME: Store player start time and pause start as offsets rather than
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// timestamps and return the appropriate current time when the timeline time
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// is null.
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if (currentTime.IsNull()) {
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result.SetValue(0.0);
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} else {
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result.SetValue(currentTime.Value().ToMilliseconds());
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}
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return result;
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}
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void
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AnimationPlayer::SetSource(Animation* aSource)
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{
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if (mSource) {
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mSource->SetParentTime(Nullable<TimeDuration>());
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}
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mSource = aSource;
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if (mSource) {
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mSource->SetParentTime(GetCurrentTimeDuration());
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}
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}
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void
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AnimationPlayer::Tick()
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{
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if (mSource) {
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mSource->SetParentTime(GetCurrentTimeDuration());
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}
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}
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bool
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AnimationPlayer::IsRunning() const
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{
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if (IsPaused() || !GetSource() || GetSource()->IsFinishedTransition()) {
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return false;
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}
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ComputedTiming computedTiming = GetSource()->GetComputedTiming();
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return computedTiming.mPhase == ComputedTiming::AnimationPhase_Active;
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}
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bool
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AnimationPlayer::IsCurrent() const
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{
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return GetSource() && GetSource()->IsCurrent();
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}
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} // namespace dom
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} // namespace mozilla
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