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/*
* Copyright (C) Canon Inc. 2016
* Copyright (C) 2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "AnimationTimeline.h"
#include "AnimationTimelinesController.h"
#include "KeyframeEffect.h"
#include "KeyframeEffectStack.h"
#include "StyleResolver.h"
#include "Styleable.h"
#include "WebAnimationUtilities.h"
namespace WebCore {
AnimationTimeline::AnimationTimeline(std::optional<WebAnimationTime> duration)
: m_duration(duration)
{
}
AnimationTimeline::~AnimationTimeline() = default;
void AnimationTimeline::animationTimingDidChange(WebAnimation& animation)
{
updateGlobalPosition(animation);
if (m_animations.add(animation)) {
auto* timeline = animation.timeline();
if (timeline && timeline != this)
timeline->removeAnimation(animation);
else if (timeline == this) {
if (auto* keyframeEffect = dynamicDowncast<KeyframeEffect>(animation.effect())) {
if (auto styleable = keyframeEffect->targetStyleable())
styleable->animationWasAdded(animation);
}
}
}
}
void AnimationTimeline::updateGlobalPosition(WebAnimation& animation)
{
static uint64_t s_globalPosition = 0;
if (!animation.globalPosition() && animation.canHaveGlobalPosition())
animation.setGlobalPosition(++s_globalPosition);
}
void AnimationTimeline::removeAnimation(WebAnimation& animation)
{
ASSERT(!animation.timeline() || animation.timeline() == this);
m_animations.remove(animation);
if (RefPtr keyframeEffect = dynamicDowncast<KeyframeEffect>(animation.effect())) {
if (auto styleable = keyframeEffect->targetStyleable()) {
styleable->animationWasRemoved(animation);
if (auto* effectStack = styleable->keyframeEffectStack())
effectStack->removeEffect(*keyframeEffect);
}
}
}
void AnimationTimeline::detachFromDocument()
{
if (CheckedPtr controller = this->controller())
controller->removeTimeline(*this);
auto& animationsToRemove = m_animations;
while (!animationsToRemove.isEmpty())
animationsToRemove.first()->remove();
}
void AnimationTimeline::suspendAnimations()
{
for (const auto& animation : m_animations)
animation->setSuspended(true);
}
void AnimationTimeline::resumeAnimations()
{
for (const auto& animation : m_animations)
animation->setSuspended(false);
}
bool AnimationTimeline::animationsAreSuspended() const
{
return controller() && controller()->animationsAreSuspended();
}
} // namespace WebCore
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