1 files changed, 66 insertions, 0 deletions
diff --git a/chromium/third_party/WebKit/Source/core/animation/SampledEffect.cpp b/chromium/third_party/WebKit/Source/core/animation/SampledEffect.cpp
new file mode 100644
index 00000000000..0c5e1548c71
--- /dev/null
+++ b/chromium/third_party/WebKit/Source/core/animation/SampledEffect.cpp
@@ -0,0 +1,66 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/animation/SampledEffect.h"
+
+#include "core/animation/interpolation/StyleInterpolation.h"
+
+namespace WebCore {
+
+SampledEffect::SampledEffect(Animation* animation, PassOwnPtrWillBeRawPtr<WillBeHeapVector<RefPtrWillBeMember<Interpolation> > > interpolations)
+    : m_animation(animation)
+#if !ENABLE(OILPAN)
+    , m_player(animation->player())
+#endif
+    , m_interpolations(interpolations)
+    , m_playerSortInfo(animation->player()->sortInfo())
+    , m_priority(animation->priority())
+{
+    ASSERT(m_interpolations && !m_interpolations->isEmpty());
+}
+
+bool SampledEffect::canChange() const
+{
+#if ENABLE(OILPAN)
+    return m_animation;
+#else
+    if (!m_animation)
+        return false;
+    // FIXME: This check won't be needed when Animation and AnimationPlayer are moved to Oilpan.
+    return !m_player->canFree();
+#endif
+}
+
+void SampledEffect::clear()
+{
+#if !ENABLE(OILPAN)
+    m_player = nullptr;
+#endif
+    m_animation = nullptr;
+    m_interpolations->clear();
+}
+
+void SampledEffect::removeReplacedInterpolationsIfNeeded(const BitArray<numCSSProperties>& replacedProperties)
+{
+    if (canChange() && m_animation->isCurrent())
+        return;
+
+    size_t dest = 0;
+    for (size_t i = 0; i < m_interpolations->size(); i++) {
+        if (!replacedProperties.get(toStyleInterpolation(m_interpolations->at(i).get())->id()))
+            m_interpolations->at(dest++) = m_interpolations->at(i);
+    }
+    m_interpolations->shrink(dest);
+}
+
+void SampledEffect::trace(Visitor* visitor)
+{
+    visitor->trace(m_animation);
+#if ENABLE(OILPAN)
+    visitor->trace(m_interpolations);
+#endif
+}
+
+} // namespace WebCore