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      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_scroll_offset_animation_curve_impl.h"
      6 
      7 #if WEB_SCROLL_OFFSET_ANIMATION_CURVE_IS_DEFINED
      8 
      9 #include "cc/animation/scroll_offset_animation_curve.h"
     10 #include "cc/animation/timing_function.h"
     11 #include "content/renderer/compositor_bindings/web_animation_curve_common.h"
     12 
     13 using blink::WebFloatPoint;
     14 
     15 namespace content {
     16 
     17 WebScrollOffsetAnimationCurveImpl::WebScrollOffsetAnimationCurveImpl(
     18     WebFloatPoint target_value,
     19     TimingFunctionType timing_function)
     20     : curve_(cc::ScrollOffsetAnimationCurve::Create(
     21           gfx::Vector2dF(target_value.x, target_value.y),
     22           CreateTimingFunction(timing_function))) {
     23 }
     24 
     25 WebScrollOffsetAnimationCurveImpl::~WebScrollOffsetAnimationCurveImpl() {
     26 }
     27 
     28 blink::WebAnimationCurve::AnimationCurveType
     29 WebScrollOffsetAnimationCurveImpl::type() const {
     30   return WebAnimationCurve::AnimationCurveTypeScrollOffset;
     31 }
     32 
     33 void WebScrollOffsetAnimationCurveImpl::setInitialValue(
     34     WebFloatPoint initial_value) {
     35   curve_->SetInitialValue(gfx::Vector2dF(initial_value.x, initial_value.y));
     36 }
     37 
     38 WebFloatPoint WebScrollOffsetAnimationCurveImpl::getValue(double time) const {
     39   gfx::Vector2dF value = curve_->GetValue(time);
     40   return WebFloatPoint(value.x(), value.y());
     41 }
     42 
     43 double WebScrollOffsetAnimationCurveImpl::duration() const {
     44   return curve_->Duration();
     45 }
     46 
     47 scoped_ptr<cc::AnimationCurve>
     48 WebScrollOffsetAnimationCurveImpl::CloneToAnimationCurve() const {
     49   return curve_->Clone();
     50 }
     51 
     52 }  // namespace content
     53 
     54 #endif  // WEB_SCROLL_OFFSET_ANIMATION_CURVE_IS_DEFINED
     55 
     56