cc/animation/animation_registrar.cc

   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