Implement AnimationEffectTimingReadOnly interface

third_party/WebKit/Source/core/animation/AnimationEffectTimingReadOnly.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 "core/animation/AnimationEffectTimingReadOnly.h"
+
+#include "bindings/core/v8/UnrestrictedDoubleOrString.h"
+#include "core/animation/AnimationEffectReadOnly.h"
+#include "core/animation/KeyframeEffect.h"
+#include "platform/animation/TimingFunction.h"
+
+namespace blink {
+
+AnimationEffectTimingReadOnly* AnimationEffectTimingReadOnly::create(
+    AnimationEffectReadOnly* parent) {
+  return new AnimationEffectTimingReadOnly(parent);
+}
+
+AnimationEffectTimingReadOnly::AnimationEffectTimingReadOnly(
+    AnimationEffectReadOnly* parent)
+    : m_parent(parent) {}
+
+double AnimationEffectTimingReadOnly::delay() {
+  return m_parent->specifiedTiming().startDelay * 1000;
+}
+
+double AnimationEffectTimingReadOnly::endDelay() {
+  return m_parent->specifiedTiming().endDelay * 1000;
+}
+
+String AnimationEffectTimingReadOnly::fill() {
+  return Timing::fillModeString(m_parent->specifiedTiming().fillMode);
+}
+
+double AnimationEffectTimingReadOnly::iterationStart() {
+  return m_parent->specifiedTiming().iterationStart;
+}
+
+double AnimationEffectTimingReadOnly::iterations() {
+  return m_parent->specifiedTiming().iterationCount;
+}
+
+void AnimationEffectTimingReadOnly::duration(
+    UnrestrictedDoubleOrString& returnValue) {
+  if (std::isnan(m_parent->specifiedTiming().iterationDuration)) {
+    returnValue.setString("auto");
+  } else {
+    returnValue.setUnrestrictedDouble(
+        m_parent->specifiedTiming().iterationDuration * 1000);
+  }
+}
+
+double AnimationEffectTimingReadOnly::playbackRate() {
+  return m_parent->specifiedTiming().playbackRate;
+}
+
+String AnimationEffectTimingReadOnly::direction() {
+  return Timing::playbackDirectionString(m_parent->specifiedTiming().direction);
+}
+
+String AnimationEffectTimingReadOnly::easing() {
+  return m_parent->specifiedTiming().timingFunction->toString();
+}
+
+DEFINE_TRACE(AnimationEffectTimingReadOnly) {
+  visitor->trace(m_parent);
+}
+
+}  // namespace blink