1 files changed, 89 insertions, 0 deletions
diff --git a/chromium/third_party/blink/renderer/platform/animation/compositor_keyframe_model.h b/chromium/third_party/blink/renderer/platform/animation/compositor_keyframe_model.h
new file mode 100644
index 00000000000..86d4a5bdfb6
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+++ b/chromium/third_party/blink/renderer/platform/animation/compositor_keyframe_model.h
@@ -0,0 +1,89 @@
+// Copyright 2016 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.
+
+#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_KEYFRAME_MODEL_H_
+#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_KEYFRAME_MODEL_H_
+
+#include <memory>
+
+#include "base/memory/ptr_util.h"
+#include "cc/animation/keyframe_model.h"
+#include "third_party/blink/renderer/platform/animation/compositor_target_property.h"
+#include "third_party/blink/renderer/platform/platform_export.h"
+#include "third_party/blink/renderer/platform/wtf/noncopyable.h"
+
+namespace cc {
+class KeyframeModel;
+}
+
+namespace blink {
+
+class CompositorAnimationCurve;
+class CompositorFloatAnimationCurve;
+
+// A compositor driven animation.
+class PLATFORM_EXPORT CompositorKeyframeModel {
+  WTF_MAKE_NONCOPYABLE(CompositorKeyframeModel);
+
+ public:
+  using Direction = cc::KeyframeModel::Direction;
+  using FillMode = cc::KeyframeModel::FillMode;
+
+  static std::unique_ptr<CompositorKeyframeModel> Create(
+      const blink::CompositorAnimationCurve& curve,
+      CompositorTargetProperty::Type target,
+      int group_id,
+      int keyframe_model_id) {
+    return base::WrapUnique(new CompositorKeyframeModel(
+        curve, target, keyframe_model_id, group_id));
+  }
+
+  ~CompositorKeyframeModel();
+
+  // An id must be unique.
+  int Id() const;
+  int Group() const;
+
+  CompositorTargetProperty::Type TargetProperty() const;
+
+  // This is the number of times that the animation will play. If this
+  // value is zero the animation will not play. If it is negative, then
+  // the animation will loop indefinitely.
+  double Iterations() const;
+  void SetIterations(double);
+
+  double StartTime() const;
+  void SetStartTime(double monotonic_time);
+
+  double TimeOffset() const;
+  void SetTimeOffset(double monotonic_time);
+
+  Direction GetDirection() const;
+  void SetDirection(Direction);
+
+  double PlaybackRate() const;
+  void SetPlaybackRate(double);
+
+  FillMode GetFillMode() const;
+  void SetFillMode(FillMode);
+
+  double IterationStart() const;
+  void SetIterationStart(double);
+
+  std::unique_ptr<cc::KeyframeModel> ReleaseCcKeyframeModel();
+
+  std::unique_ptr<CompositorFloatAnimationCurve> FloatCurveForTesting() const;
+
+ private:
+  CompositorKeyframeModel(const CompositorAnimationCurve&,
+                          CompositorTargetProperty::Type,
+                          int keyframe_model_id,
+                          int group_id);
+
+  std::unique_ptr<cc::KeyframeModel> keyframe_model_;
+};
+
+}  // namespace blink
+
+#endif  // THIRD_PARTY_BLINK_RENDERER_PLATFORM_ANIMATION_COMPOSITOR_KEYFRAME_MODEL_H_