| /* |
| * Copyright (C) 2013 Google 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: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * 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. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "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 THE COPYRIGHT |
| * OWNER 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 "core/animation/AnimationStack.h" |
| |
| #include "core/animation/Interpolation.h" |
| #include "core/animation/css/CSSAnimations.h" |
| |
| namespace WebCore { |
| |
| namespace { |
| |
| void copyToActiveInterpolationMap(const WillBeHeapVector<RefPtrWillBeMember<WebCore::Interpolation> >& source, WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<WebCore::Interpolation> >& target) |
| { |
| for (WillBeHeapVector<RefPtrWillBeMember<WebCore::Interpolation> >::const_iterator iter = source.begin(); iter != source.end(); ++iter) { |
| RefPtrWillBeRawPtr<WebCore::Interpolation> interpolation = *iter; |
| WebCore::StyleInterpolation *styleInterpolation = toStyleInterpolation(interpolation.get()); |
| target.set(styleInterpolation->id(), styleInterpolation); |
| } |
| } |
| |
| bool compareAnimations(Animation* animation1, Animation* animation2) |
| { |
| ASSERT(animation1->player() && animation2->player()); |
| return AnimationPlayer::hasLowerPriority(animation1->player(), animation2->player()); |
| } |
| |
| void copyNewAnimationsToActiveInterpolationMap(const Vector<InertAnimation*>& newAnimations, WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<Interpolation> >& result) |
| { |
| for (size_t i = 0; i < newAnimations.size(); ++i) { |
| OwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > sample = newAnimations[i]->sample(); |
| if (sample) { |
| copyToActiveInterpolationMap(*sample, result); |
| } |
| } |
| } |
| |
| } // namespace |
| |
| bool AnimationStack::affects(CSSPropertyID property) const |
| { |
| for (size_t i = 0; i < m_activeAnimations.size(); ++i) { |
| if (m_activeAnimations[i]->affects(property)) |
| return true; |
| } |
| return false; |
| } |
| |
| bool AnimationStack::hasActiveAnimationsOnCompositor(CSSPropertyID property) const |
| { |
| for (size_t i = 0; i < m_activeAnimations.size(); ++i) { |
| if (m_activeAnimations[i]->hasActiveAnimationsOnCompositor(property)) |
| return true; |
| } |
| return false; |
| } |
| |
| WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<Interpolation> > AnimationStack::activeInterpolations(AnimationStack* animationStack, const Vector<InertAnimation*>* newAnimations, const HashSet<const AnimationPlayer*>* cancelledAnimationPlayers, Animation::Priority priority, double timelineCurrentTime) |
| { |
| // We don't exactly know when new animations will start, but timelineCurrentTime is a good estimate. |
| |
| WillBeHeapHashMap<CSSPropertyID, RefPtrWillBeMember<Interpolation> > result; |
| |
| if (animationStack) { |
| Vector<Animation*>& animations = animationStack->m_activeAnimations; |
| std::sort(animations.begin(), animations.end(), compareAnimations); |
| for (size_t i = 0; i < animations.size(); ++i) { |
| Animation* animation = animations[i]; |
| if (animation->priority() != priority) |
| continue; |
| if (cancelledAnimationPlayers && cancelledAnimationPlayers->contains(animation->player())) |
| continue; |
| if (animation->player()->startTime() > timelineCurrentTime && newAnimations) { |
| copyNewAnimationsToActiveInterpolationMap(*newAnimations, result); |
| newAnimations = 0; |
| } |
| copyToActiveInterpolationMap(animation->activeInterpolations(), result); |
| } |
| } |
| |
| if (newAnimations) |
| copyNewAnimationsToActiveInterpolationMap(*newAnimations, result); |
| |
| return result; |
| } |
| |
| } // namespace WebCore |