Thread ui opacity animations

ui/compositor/test/layer_animator_test_controller.cc

+// Copyright (c) 2013 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 "ui/compositor/test/layer_animator_test_controller.h"
+#include "ui/compositor/layer_animation_sequence.h"
+
+namespace ui {
+
+LayerAnimatorTestController::LayerAnimatorTestController(
+    scoped_refptr<LayerAnimator> animator)
+    : animator_(animator) {
+}
+
+LayerAnimatorTestController::~LayerAnimatorTestController() {
+}
+
+LayerAnimationSequence* LayerAnimatorTestController::GetRunningSequence(
+    LayerAnimationElement::AnimatableProperty property) {
+  LayerAnimator::RunningAnimation* running_animation =
+      animator_->GetRunningAnimation(property);
+  if (running_animation)
+    return running_animation->sequence();
+  else
+    return NULL;
+}
+
+void LayerAnimatorTestController::StartThreadedAnimationsIfNeeded() {
+  LayerAnimationSequence* sequence =
+      GetRunningSequence(LayerAnimationElement::OPACITY);
+
+  if (!sequence)
+    return;
+
+  LayerAnimationElement* element = sequence->CurrentElement();
+  if (element->properties().find(LayerAnimationElement::OPACITY) ==
+      element->properties().end())
+    return;
+
+  if (!element->Started() ||
+      element->effective_start_time() != base::TimeTicks())
+    return;
+
+  animator_->OnThreadedAnimationStarted(cc::AnimationEvent(
+      cc::AnimationEvent::Started,
+      0,
+      element->animation_group_id(),
+      cc::Animation::Opacity,
+      (base::TimeTicks::Now() - base::TimeTicks()).InSecondsF()));
+}
+
+}  // namespace ui