1 files changed, 57 insertions, 0 deletions
diff --git a/chromium/cc/animation/animation_registrar.cc b/chromium/cc/animation/animation_registrar.cc
new file mode 100644
index 00000000000..05f522cbdce
--- /dev/null
+++ b/chromium/cc/animation/animation_registrar.cc
@@ -0,0 +1,57 @@
+// Copyright 2012 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 "cc/animation/animation_registrar.h"
+
+#include "cc/animation/layer_animation_controller.h"
+
+namespace cc {
+
+AnimationRegistrar::AnimationRegistrar() {}
+
+AnimationRegistrar::~AnimationRegistrar() {
+  AnimationControllerMap copy = all_animation_controllers_;
+  for (AnimationControllerMap::iterator iter = copy.begin();
+       iter != copy.end();
+       ++iter)
+    (*iter).second->SetAnimationRegistrar(NULL);
+}
+
+scoped_refptr<LayerAnimationController>
+AnimationRegistrar::GetAnimationControllerForId(int id) {
+  scoped_refptr<LayerAnimationController> to_return;
+  if (!ContainsKey(all_animation_controllers_, id)) {
+    to_return = LayerAnimationController::Create(id);
+    to_return->SetAnimationRegistrar(this);
+    all_animation_controllers_[id] = to_return.get();
+  } else {
+    to_return = all_animation_controllers_[id];
+  }
+  return to_return;
+}
+
+void AnimationRegistrar::DidActivateAnimationController(
+    LayerAnimationController* controller) {
+  active_animation_controllers_[controller->id()] = controller;
+}
+
+void AnimationRegistrar::DidDeactivateAnimationController(
+    LayerAnimationController* controller) {
+  if (ContainsKey(active_animation_controllers_, controller->id()))
+    active_animation_controllers_.erase(controller->id());
+}
+
+void AnimationRegistrar::RegisterAnimationController(
+    LayerAnimationController* controller) {
+  all_animation_controllers_[controller->id()] = controller;
+}
+
+void AnimationRegistrar::UnregisterAnimationController(
+    LayerAnimationController* controller) {
+  if (ContainsKey(all_animation_controllers_, controller->id()))
+    all_animation_controllers_.erase(controller->id());
+  DidDeactivateAnimationController(controller);
+}
+
+}  // namespace cc