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

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

[esprehn, 2016/01/28 03:40:40]

we can probably add WebFoo to gfx::Foo conversion operators too (in a different
patch)

[loyso (OOO), 2016/01/28 07:10:09]

Acknowledged.

+}
+
+scoped_ptr<cc::AnimationCurve>
+WebScrollOffsetAnimationCurve::CloneToAnimationCurve() const
+{
+    return m_curve->Clone();
+}
+
+} // namespace blink