src/third_party/WebKit/Source/core/animation/SampledEffect.cpp

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "core/animation/SampledEffect.h"
   7
   8 namespace WebCore {
   9
  10 SampledEffect::SampledEffect(Animation* animation, PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > interpolations)
  11     : m_player(animation->player())
  12     , m_animation(animation)
  13     , m_interpolations(interpolations)
  14     , m_playerSortInfo(m_player->sortInfo())
  15     , m_priority(animation->priority())
  16 {
  17     ASSERT(m_interpolations && !m_interpolations->isEmpty());
  18 }
  19
  20 bool SampledEffect::canChange() const
  21 {
  22     if (!m_animation)
  23         return false;
  24     // FIXME: This check won't be needed when Animation and AnimationPlayer are moved to Oilpan.
  25     return !m_player->canFree();
  26 }
  27
  28 void SampledEffect::clear()
  29 {
  30     m_player.clear();
  31     m_animation = 0;
  32     m_interpolations->clear();
  33 }
  34
  35 void SampledEffect::removeReplacedInterpolationsIfNeeded(const BitArray<numCSSProperties>& replacedProperties)
  36 {
  37     if (canChange() && m_animation->isCurrent())
  38         return;
  39
  40     size_t dest = 0;
  41     for (size_t i = 0; i < m_interpolations->size(); i++) {
  42         if (!replacedProperties.get(toStyleInterpolation(m_interpolations->at(i).get())->id()))
  43             m_interpolations->at(dest++) = m_interpolations->at(i);
  44     }
  45     m_interpolations->shrink(dest);
  46 }
  47
  48 } // namespace WebCore