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 "content/renderer/compositor_bindings/web_transform_animation_curve_impl.h"
6
7 #include "cc/animation/keyframed_animation_curve.h"
8 #include "cc/animation/timing_function.h"
9 #include "cc/animation/transform_operations.h"
10 #include "content/renderer/compositor_bindings/web_animation_curve_common.h"
11 #include "content/renderer/compositor_bindings/web_transform_operations_impl.h"
12
13 using blink::WebTransformKeyframe;
14
15 namespace content {
16
WebTransformAnimationCurveImpl()17 WebTransformAnimationCurveImpl::WebTransformAnimationCurveImpl()
18 : curve_(cc::KeyframedTransformAnimationCurve::Create()) {
19 }
20
~WebTransformAnimationCurveImpl()21 WebTransformAnimationCurveImpl::~WebTransformAnimationCurveImpl() {
22 }
23
24 blink::WebAnimationCurve::AnimationCurveType
type() const25 WebTransformAnimationCurveImpl::type() const {
26 return WebAnimationCurve::AnimationCurveTypeTransform;
27 }
28
add(const WebTransformKeyframe & keyframe)29 void WebTransformAnimationCurveImpl::add(const WebTransformKeyframe& keyframe) {
30 add(keyframe, TimingFunctionTypeEase);
31 }
32
add(const WebTransformKeyframe & keyframe,TimingFunctionType type)33 void WebTransformAnimationCurveImpl::add(const WebTransformKeyframe& keyframe,
34 TimingFunctionType type) {
35 const cc::TransformOperations& transform_operations =
36 static_cast<const WebTransformOperationsImpl&>(keyframe.value())
37 .AsTransformOperations();
38 curve_->AddKeyframe(cc::TransformKeyframe::Create(
39 keyframe.time(), transform_operations, CreateTimingFunction(type)));
40 }
41
add(const WebTransformKeyframe & keyframe,double x1,double y1,double x2,double y2)42 void WebTransformAnimationCurveImpl::add(const WebTransformKeyframe& keyframe,
43 double x1,
44 double y1,
45 double x2,
46 double y2) {
47 const cc::TransformOperations& transform_operations =
48 static_cast<const WebTransformOperationsImpl&>(keyframe.value())
49 .AsTransformOperations();
50 curve_->AddKeyframe(cc::TransformKeyframe::Create(
51 keyframe.time(),
52 transform_operations,
53 cc::CubicBezierTimingFunction::Create(x1, y1, x2, y2)
54 .PassAs<cc::TimingFunction>()));
55 }
56
57 scoped_ptr<cc::AnimationCurve>
CloneToAnimationCurve() const58 WebTransformAnimationCurveImpl::CloneToAnimationCurve() const {
59 return curve_->Clone();
60 }
61
62 } // namespace content
63
64