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      1 /*
      2  * Copyright (C) 2013 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "core/animation/DocumentAnimations.h"
     33 
     34 #include "core/animation/AnimationClock.h"
     35 #include "core/animation/AnimationTimeline.h"
     36 #include "core/dom/Document.h"
     37 #include "core/dom/Element.h"
     38 #include "core/dom/Node.h"
     39 #include "core/dom/NodeRenderStyle.h"
     40 #include "core/frame/FrameView.h"
     41 #include "core/frame/LocalFrame.h"
     42 #include "core/rendering/RenderView.h"
     43 #include "core/rendering/compositing/RenderLayerCompositor.h"
     44 
     45 namespace blink {
     46 
     47 namespace {
     48 
     49 void updateAnimationTiming(Document& document, TimingUpdateReason reason)
     50 {
     51     document.timeline().serviceAnimations(reason);
     52 }
     53 
     54 } // namespace
     55 
     56 void DocumentAnimations::updateAnimationTimingForAnimationFrame(Document& document, double monotonicAnimationStartTime)
     57 {
     58     document.animationClock().updateTime(monotonicAnimationStartTime);
     59     updateAnimationTiming(document, TimingUpdateForAnimationFrame);
     60 }
     61 
     62 void DocumentAnimations::updateOutdatedAnimationPlayersIfNeeded(Document& document)
     63 {
     64     if (needsOutdatedAnimationPlayerUpdate(document))
     65         updateAnimationTiming(document, TimingUpdateOnDemand);
     66 }
     67 
     68 void DocumentAnimations::updateAnimationTimingForGetComputedStyle(Node& node, CSSPropertyID property)
     69 {
     70     if (!node.isElementNode())
     71         return;
     72     const Element& element = toElement(node);
     73     if (RenderStyle* style = element.renderStyle()) {
     74         if ((property == CSSPropertyOpacity && style->isRunningOpacityAnimationOnCompositor())
     75             || ((property == CSSPropertyTransform || property == CSSPropertyWebkitTransform) && style->isRunningTransformAnimationOnCompositor())
     76             || (property == CSSPropertyWebkitFilter && style->isRunningFilterAnimationOnCompositor())) {
     77             updateAnimationTiming(element.document(), TimingUpdateOnDemand);
     78         }
     79     }
     80 }
     81 
     82 bool DocumentAnimations::needsOutdatedAnimationPlayerUpdate(const Document& document)
     83 {
     84     return document.timeline().hasOutdatedAnimationPlayer();
     85 }
     86 
     87 // FIXME: Rename to updateCompositorAnimations
     88 void DocumentAnimations::startPendingAnimations(Document& document)
     89 {
     90     ASSERT(document.lifecycle().state() == DocumentLifecycle::CompositingClean);
     91     if (document.compositorPendingAnimations().update()) {
     92         ASSERT(document.view());
     93         document.view()->scheduleAnimation();
     94     }
     95 }
     96 
     97 } // namespace blink
     98