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      1 // Copyright 2012 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 "cc/animation/animation_registrar.h"
      6 
      7 #include "cc/animation/layer_animation_controller.h"
      8 
      9 namespace cc {
     10 
     11 AnimationRegistrar::AnimationRegistrar() {}
     12 
     13 AnimationRegistrar::~AnimationRegistrar() {
     14   AnimationControllerMap copy = all_animation_controllers_;
     15   for (AnimationControllerMap::iterator iter = copy.begin();
     16        iter != copy.end();
     17        ++iter)
     18     (*iter).second->SetAnimationRegistrar(NULL);
     19 }
     20 
     21 scoped_refptr<LayerAnimationController>
     22 AnimationRegistrar::GetAnimationControllerForId(int id) {
     23   scoped_refptr<LayerAnimationController> to_return;
     24   if (!ContainsKey(all_animation_controllers_, id)) {
     25     to_return = LayerAnimationController::Create(id);
     26     to_return->SetAnimationRegistrar(this);
     27     all_animation_controllers_[id] = to_return.get();
     28   } else {
     29     to_return = all_animation_controllers_[id];
     30   }
     31   return to_return;
     32 }
     33 
     34 void AnimationRegistrar::DidActivateAnimationController(
     35     LayerAnimationController* controller) {
     36   active_animation_controllers_[controller->id()] = controller;
     37 }
     38 
     39 void AnimationRegistrar::DidDeactivateAnimationController(
     40     LayerAnimationController* controller) {
     41   if (ContainsKey(active_animation_controllers_, controller->id()))
     42     active_animation_controllers_.erase(controller->id());
     43 }
     44 
     45 void AnimationRegistrar::RegisterAnimationController(
     46     LayerAnimationController* controller) {
     47   all_animation_controllers_[controller->id()] = controller;
     48 }
     49 
     50 void AnimationRegistrar::UnregisterAnimationController(
     51     LayerAnimationController* controller) {
     52   if (ContainsKey(all_animation_controllers_, controller->id()))
     53     all_animation_controllers_.erase(controller->id());
     54   DidDeactivateAnimationController(controller);
     55 }
     56 
     57 }  // namespace cc
     58