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