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 #include "core/animation/StyleInterpolation.h"
   9
  10 namespace blink {
  11
  12 SampledEffect::SampledEffect(Animation* animation, PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > interpolations)
  13     : m_animation(animation)
  14 #if !ENABLE(OILPAN)
  15     , m_player(animation->player())
  16 #endif
  17     , m_interpolations(interpolations)
  18     , m_playerSortInfo(animation->player()->sortInfo())
  19     , m_priority(animation->priority())
  20 {
  21     ASSERT(m_interpolations && !m_interpolations->isEmpty());
  22 }
  23
  24 bool SampledEffect::canChange() const
  25 {
  26 #if ENABLE(OILPAN)
  27     return m_animation;
  28 #else
  29     if (!m_animation)
  30         return false;
  31     // FIXME: This check won't be needed when Animation and AnimationPlayer are moved to Oilpan.
  32     return !m_player->canFree();
  33 #endif
  34 }
  35
  36 void SampledEffect::clear()
  37 {
  38 #if !ENABLE(OILPAN)
  39     m_player = nullptr;
  40 #endif
  41     m_animation = nullptr;
  42     m_interpolations->clear();
  43 }
  44
  45 void SampledEffect::removeReplacedInterpolationsIfNeeded(const BitArray<numCSSProperties>& replacedProperties)
  46 {
  47     if (canChange() && m_animation->isCurrent())
  48         return;
  49
  50     size_t dest = 0;
  51     for (size_t i = 0; i < m_interpolations->size(); i++) {
  52         if (!replacedProperties.get(toStyleInterpolation(m_interpolations->at(i).get())->id()))
  53             m_interpolations->at(dest++) = m_interpolations->at(i);
  54     }
  55     m_interpolations->shrink(dest);
  56 }
  57
  58 void SampledEffect::trace(Visitor* visitor)
  59 {
  60     visitor->trace(m_animation);
  61 #if ENABLE(OILPAN)
  62     visitor->trace(m_interpolations);
  63 #endif
  64 }
  65
  66 } // namespace blink