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

third_party/WebKit/Source/platform/animation/CompositorScrollOffsetAnimationCurve.cpp

+// 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.
+
+#include "platform/animation/CompositorScrollOffsetAnimationCurve.h"
+
+#include "cc/animation/scroll_offset_animation_curve.h"
+#include "cc/animation/timing_function.h"
+
+using blink::WebFloatPoint;
+using blink::CompositorScrollOffsetAnimationCurve;
+using DurationBehavior = cc::ScrollOffsetAnimationCurve::DurationBehavior;
+
+namespace blink {
+
+static DurationBehavior GetDurationBehavior(CompositorScrollOffsetAnimationCurve::ScrollDurationBehavior webDurationBehavior)
+{
+    switch (webDurationBehavior) {
+    case CompositorScrollOffsetAnimationCurve::ScrollDurationDeltaBased:
+        return DurationBehavior::DELTA_BASED;
+
+    case CompositorScrollOffsetAnimationCurve::ScrollDurationConstant:
+        return DurationBehavior::CONSTANT;
+
+    case CompositorScrollOffsetAnimationCurve::ScrollDurationInverseDelta:
+        return DurationBehavior::INVERSE_DELTA;
+    }
+    NOTREACHED();
+    return DurationBehavior::DELTA_BASED;
+}
+
+CompositorScrollOffsetAnimationCurve::CompositorScrollOffsetAnimationCurve(
+    WebFloatPoint targetValue,
+    TimingFunctionType timingFunction,
+    ScrollDurationBehavior durationBehavior)
+    : m_curve(cc::ScrollOffsetAnimationCurve::Create(
+        gfx::ScrollOffset(targetValue.x, targetValue.y),
+        CompositorAnimationCurve::createTimingFunction(timingFunction),
+        GetDurationBehavior(durationBehavior)))
+{
+}
+
+CompositorScrollOffsetAnimationCurve::~CompositorScrollOffsetAnimationCurve()
+{
+}
+
+CompositorAnimationCurve::AnimationCurveType CompositorScrollOffsetAnimationCurve::type() const
+{
+    return CompositorAnimationCurve::AnimationCurveTypeScrollOffset;
+}
+
+void CompositorScrollOffsetAnimationCurve::setInitialValue(WebFloatPoint initialValue)
+{
+    m_curve->SetInitialValue(gfx::ScrollOffset(initialValue.x, initialValue.y));
+}
+
+WebFloatPoint CompositorScrollOffsetAnimationCurve::getValue(double time) const
+{
+    gfx::ScrollOffset value = m_curve->GetValue(base::TimeDelta::FromSecondsD(time));
+    return WebFloatPoint(value.x(), value.y());
+}
+
+double CompositorScrollOffsetAnimationCurve::duration() const
+{
+    return m_curve->Duration().InSecondsF();
+}
+
+WebFloatPoint CompositorScrollOffsetAnimationCurve::targetValue() const
+{
+    gfx::ScrollOffset target = m_curve->target_value();
+    return WebFloatPoint(target.x(), target.y());
+}
+
+void CompositorScrollOffsetAnimationCurve::updateTarget(double time, WebFloatPoint newTarget)
+{
+    m_curve->UpdateTarget(time, gfx::ScrollOffset(newTarget.x, newTarget.y));
+}
+
+scoped_ptr<cc::AnimationCurve> CompositorScrollOffsetAnimationCurve::cloneToAnimationCurve() const
+{
+    return m_curve->Clone();
+}
+
+} // namespace blink