text: /*
   * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  /**
   * @addtogroup UI_Animator
   * @{
   *
   * @brief Defines UI animation effects and provides matched curves.
   *
   * @since 1.0
   * @version 1.0
   */
  
  /**
   * @file animator_manager.h
   *
   * @brief Represents the animator manager.
   *
   * @since 1.0
   * @version 1.0
   */
  
  #ifndef GRAPHIC_LITE_ANIMATOR_MANAGER_H
  #define GRAPHIC_LITE_ANIMATOR_MANAGER_H
  
  #include "animator/animator.h"
  #include "common/task.h"
  #include "gfx_utils/list.h"
  
  namespace OHOS {
  /**
   * @brief Represents the animator manager.
   *
   * This is a singleton class used to manage <b>Animator</b> instances.
   *
   * @see Task
   * @since 1.0
   * @version 1.0
   */
  class AnimatorManager : public Task {
  public:
      /**
       * @brief Obtains the <b>AnimatorManager</b> instance.
       *
       * @return Returns the <b>AnimatorManager</b> instance.
       * @since 1.0
       * @version 1.0
       */
      static AnimatorManager* GetInstance();
  
      void Init() override;
  
      /**
       * @brief Adds the <b>Animator</b> instance to the <b>AnimatorManager</b> linked list for management,
       *        so that the {@link Run} function of the <b>Animator</b> class is called once for each frame.
       *
       * @param animator Indicates the pointer to the <b>Animator</b> instance to add.
       * @see Remove
       * @since 1.0
       * @version 1.0
       */
      void Add(Animator* animator);
  
      /**
       * @brief Removes the <b>Animator</b> instance from the <b>AnimatorManager</b> linked list.
       *
       * @param animator Indicates the pointer to the <b>Animator</b> instance to remove.
       * @see Add
       * @since 1.0
       * @version 1.0
       */
      void Remove(const Animator* animator);
  
      void AnimatorTask();
  
      void Callback() override
      {
          AnimatorTask();
      }
  
  protected:
      List<Animator*> list_;
      AnimatorManager() {}
      virtual ~AnimatorManager() {}
      AnimatorManager(const AnimatorManager&) = delete;
      AnimatorManager& operator=(const AnimatorManager&) = delete;
      AnimatorManager(AnimatorManager&&) = delete;
      AnimatorManager& operator=(AnimatorManager&&) = delete;
  };
  } // namespace OHOS
  #endif
  