Define WebScrollOffsetAnimationCurveImpl

webkit/renderer/compositor_bindings/web_scroll_offset_animation_curve_impl.cc

Index: webkit/renderer/compositor_bindings/web_scroll_offset_animation_curve_impl.cc
diff --git a/webkit/renderer/compositor_bindings/web_scroll_offset_animation_curve_impl.cc b/webkit/renderer/compositor_bindings/web_scroll_offset_animation_curve_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..fc6c76af2da444e06feaa3134365f2277c22dc8a
--- /dev/null
+++ b/webkit/renderer/compositor_bindings/web_scroll_offset_animation_curve_impl.cc
@@ -0,0 +1,52 @@
+// Copyright 2014 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 "webkit/renderer/compositor_bindings/web_scroll_offset_animation_curve_impl.h"
+
+#if WEB_SCROLL_OFFSET_ANIMATION_CURVE_IS_DEFINED
+
+#include "cc/animation/scroll_offset_animation_curve.h"
+#include "cc/animation/timing_function.h"
+#include "webkit/renderer/compositor_bindings/web_animation_curve_common.h"
+
+using blink::WebFloatPoint;
+
+namespace webkit {
+
+WebScrollOffsetAnimationCurveImpl::WebScrollOffsetAnimationCurveImpl(
+    WebFloatPoint target_value,
+    TimingFunctionType timing_function)
+    : curve_(cc::ScrollOffsetAnimationCurve::Create(
+          gfx::Vector2dF(target_value.x, target_value.y),
+          CreateTimingFunction(timing_function))) {}
+
+WebScrollOffsetAnimationCurveImpl::~WebScrollOffsetAnimationCurveImpl() {}
+
+blink::WebAnimationCurve::AnimationCurveType
+WebScrollOffsetAnimationCurveImpl::type() const {
+  return WebAnimationCurve::AnimationCurveTypeScrollOffset;
+}
+
+void WebScrollOffsetAnimationCurveImpl::setInitialValue(
+    WebFloatPoint initial_value) {
+  curve_->SetInitialValue(gfx::Vector2dF(initial_value.x, initial_value.y));
+}
+
+WebFloatPoint WebScrollOffsetAnimationCurveImpl::getValue(double time) const {
+  gfx::Vector2dF value = curve_->GetValue(time);
+  return WebFloatPoint(value.x(), value.y());
+}
+
+double WebScrollOffsetAnimationCurveImpl::duration() const {
+  return curve_->Duration();
+}
+
+scoped_ptr<cc::AnimationCurve>
+WebScrollOffsetAnimationCurveImpl::CloneToAnimationCurve() const {
+  return curve_->Clone();
+}
+
+}  // namespace webkit
+
+#endif  // WEB_SCROLL_OFFSET_ANIMATION_CURVE_IS_DEFINED