1// Copyright 2014 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "cc/blink/web_scroll_offset_animation_curve_impl.h"
6
7#include "cc/animation/scroll_offset_animation_curve.h"
8#include "cc/animation/timing_function.h"
9#include "cc/blink/web_animation_curve_common.h"
10
11using blink::WebFloatPoint;
12
13namespace cc_blink {
14
15WebScrollOffsetAnimationCurveImpl::WebScrollOffsetAnimationCurveImpl(
16    WebFloatPoint target_value,
17    TimingFunctionType timing_function)
18    : curve_(cc::ScrollOffsetAnimationCurve::Create(
19          gfx::Vector2dF(target_value.x, target_value.y),
20          CreateTimingFunction(timing_function))) {
21}
22
23WebScrollOffsetAnimationCurveImpl::~WebScrollOffsetAnimationCurveImpl() {
24}
25
26blink::WebCompositorAnimationCurve::AnimationCurveType
27WebScrollOffsetAnimationCurveImpl::type() const {
28  return WebCompositorAnimationCurve::AnimationCurveTypeScrollOffset;
29}
30
31void WebScrollOffsetAnimationCurveImpl::setInitialValue(
32    WebFloatPoint initial_value) {
33  curve_->SetInitialValue(gfx::Vector2dF(initial_value.x, initial_value.y));
34}
35
36WebFloatPoint WebScrollOffsetAnimationCurveImpl::getValue(double time) const {
37  gfx::Vector2dF value = curve_->GetValue(time);
38  return WebFloatPoint(value.x(), value.y());
39}
40
41double WebScrollOffsetAnimationCurveImpl::duration() const {
42  return curve_->Duration();
43}
44
45scoped_ptr<cc::AnimationCurve>
46WebScrollOffsetAnimationCurveImpl::CloneToAnimationCurve() const {
47  return curve_->Clone();
48}
49
50}  // namespace cc_blink
51