CC Animation: Move files from cc_blink to Source/platform/animation

third_party/WebKit/Source/platform/animation/CompositorTransformAnimationCurve.h

+// 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 CompositorTransformAnimationCurve_h
+#define CompositorTransformAnimationCurve_h
+
+#include "base/memory/scoped_ptr.h"
+#include "platform/PlatformExport.h"
+#include "platform/animation/CompositorAnimationCurve.h"
+#include "platform/animation/CompositorTransformKeyframe.h"
+#include "wtf/Noncopyable.h"
+
+namespace cc {
+class AnimationCurve;
+class KeyframedTransformAnimationCurve;
+}
+
+namespace blink {
+class CompositorTransformKeyframe;
+}
+
+namespace blink {
+
+// A keyframed transform animation curve.
+class PLATFORM_EXPORT CompositorTransformAnimationCurve : public CompositorAnimationCurve {
+    WTF_MAKE_NONCOPYABLE(CompositorTransformAnimationCurve);
+public:
+    CompositorTransformAnimationCurve();
+    ~CompositorTransformAnimationCurve() override;
+
+    // Adds the keyframe with the default timing function (ease).
+    virtual void add(const CompositorTransformKeyframe&);
+    virtual void add(const CompositorTransformKeyframe&, TimingFunctionType);
+    // Adds the keyframe with a custom, bezier timing function. Note, it is
+    // assumed that x0 = y0, and x3 = y3 = 1.
+    virtual void add(const CompositorTransformKeyframe&, double x1, double y1, double x2, double y2);
+    // Adds the keyframe with a steps timing function.
+    virtual void add(const CompositorTransformKeyframe&, int steps, float stepsStartOffset);
+
+    virtual void setLinearTimingFunction();
+    virtual void setCubicBezierTimingFunction(TimingFunctionType);
+    virtual void setCubicBezierTimingFunction(double x1, double y1, double x2, double y2);
+    virtual void setStepsTimingFunction(int numberOfSteps, float stepsStartOffset);
+
+    // CompositorAnimationCurve implementation.
+    AnimationCurveType type() const override;
+
+    scoped_ptr<cc::AnimationCurve> cloneToAnimationCurve() const;
+
+private:
+    scoped_ptr<cc::KeyframedTransformAnimationCurve> m_curve;
+};
+
+} // namespace blink
+
+#endif // CompositorTransformAnimationCurve_h