text: /*
   * 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/DocumentAnimations.h"
  
  #include "core/animation/AnimationClock.h"
  #include "core/animation/AnimationTimeline.h"
  #include "core/dom/Document.h"
  #include "core/dom/Element.h"
  #include "core/dom/Node.h"
  #include "core/dom/NodeRenderStyle.h"
  #include "core/frame/FrameView.h"
  #include "core/frame/LocalFrame.h"
  #include "core/rendering/RenderView.h"
  #include "core/rendering/compositing/RenderLayerCompositor.h"
  
  namespace blink {
  
  namespace {
  
  void updateAnimationTiming(Document& document, TimingUpdateReason reason)
  {
      document.timeline().serviceAnimations(reason);
  }
  
  } // namespace
  
  void DocumentAnimations::updateAnimationTimingForAnimationFrame(Document& document, double monotonicAnimationStartTime)
  {
      document.animationClock().updateTime(monotonicAnimationStartTime);
      updateAnimationTiming(document, TimingUpdateForAnimationFrame);
  }
  
  void DocumentAnimations::updateAnimationTimingIfNeeded(Document& document)
  {
      if (needsOutdatedAnimationPlayerUpdate(document) || document.timeline().needsAnimationTimingUpdate())
          updateAnimationTiming(document, TimingUpdateOnDemand);
  }
  
  void DocumentAnimations::updateAnimationTimingForGetComputedStyle(Node& node, CSSPropertyID property)
  {
      if (!node.isElementNode())
          return;
      const Element& element = toElement(node);
      if (RenderStyle* style = element.renderStyle()) {
          if ((property == CSSPropertyOpacity && style->isRunningOpacityAnimationOnCompositor())
              || ((property == CSSPropertyTransform || property == CSSPropertyWebkitTransform) && style->isRunningTransformAnimationOnCompositor())
              || (property == CSSPropertyWebkitFilter && style->isRunningFilterAnimationOnCompositor())) {
              updateAnimationTiming(element.document(), TimingUpdateOnDemand);
          }
      }
  }
  
  bool DocumentAnimations::needsOutdatedAnimationPlayerUpdate(const Document& document)
  {
      return document.timeline().hasOutdatedAnimationPlayer();
  }
  
  // FIXME: Rename to updateCompositorAnimations
  void DocumentAnimations::startPendingAnimations(Document& document)
  {
      ASSERT(document.lifecycle().state() == DocumentLifecycle::CompositingClean);
      if (document.compositorPendingAnimations().update()) {
          ASSERT(document.view());
          document.view()->scheduleAnimation();
      }
  
      document.timeline().scheduleNextService();
  }
  
  } // namespace blink
  