dali/internal/event/animation/animation-playlist.h

   1 #ifndef DALI_INTERNAL_ANIMATION_PLAYLIST_H
   2 #define DALI_INTERNAL_ANIMATION_PLAYLIST_H
   3
   4 /*
   5  * Copyright (c) 2024 Samsung Electronics Co., Ltd.
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  * http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  */
  20
  21 // INTERNAL INCLUDES
  22 #include <dali/devel-api/common/map-wrapper.h>
  23 #include <dali/integration-api/ordered-set.h>
  24 #include <dali/internal/common/message.h>
  25 #include <dali/internal/event/common/complete-notification-interface.h>
  26 #include <dali/internal/event/common/scene-graph-notifier-interface-mapper.h>
  27 #include <dali/public-api/animation/animation.h>
  28 #include <dali/public-api/common/dali-vector.h>
  29 #include <dali/public-api/common/vector-wrapper.h>
  30
  31 namespace Dali
  32 {
  33 namespace Internal
  34 {
  35 namespace SceneGraph
  36 {
  37 class Animation;
  38 }
  39
  40 class Animation;
  41
  42 /**
  43  * AnimationPlaylist provides notifications to applications when animations are finished.
  44  * It reference-counts playing animations, to allow "fire and forget" behaviour.
  45  */
  46 class AnimationPlaylist : public CompleteNotificationInterface, public SceneGraphNotifierInterfaceMapper<Animation>
  47 {
  48 public:
  49   /**
  50    * Create an AnimationPlaylist.
  51    * @return A newly allocated animation playlist.
  52    */
  53   static AnimationPlaylist* New();
  54
  55   /**
  56    * Virtual destructor.
  57    */
  58   ~AnimationPlaylist() override;
  59
  60   /**
  61    * Called when an animation is constructed.
  62    */
  63   void AnimationCreated(Animation& animation);
  64
  65   /**
  66    * Called when an animation is destroyed.
  67    */
  68   void AnimationDestroyed(Animation& animation);
  69
  70   /**
  71    * Called when an animation is playing.
  72    * @post The animation will be referenced by AnimationPlaylist, until the "Finished" signal is emitted.
  73    */
  74   void OnPlay(Animation& animation);
  75
  76   /**
  77    * Called when an animation is cleared.
  78    * @post The animation will no longer be referenced by AnimationPlaylist.
  79    */
  80   void OnClear(Animation& animation);
  81
  82   /**
  83    * @brief Notify that an animation has reached a progress marker
  84    * @param[in] notifyId scene graph animation's notifyId that has reached progress
  85    */
  86   void NotifyProgressReached(NotifierInterface::NotifyId notifyId);
  87
  88   /**
  89    * @brief Retrive the number of Animations.
  90    *
  91    * @return The number of Animations.
  92    */
  93   uint32_t GetAnimationCount();
  94
  95   /**
  96    * @brief Retrieve an Animation by index.
  97    *
  98    * @param[in] index The index of the Animation to retrieve
  99    * @return The Dali::Animation for the given index or empty handle
 100    */
 101   Dali::Animation GetAnimationAt(uint32_t index);
 102
 103 private:
 104   /**
 105    * Create an AnimationPlaylist.
 106    */
 107   AnimationPlaylist();
 108
 109   // Undefined
 110   AnimationPlaylist(const AnimationPlaylist&);
 111
 112   // Undefined
 113   AnimationPlaylist& operator=(const AnimationPlaylist& rhs);
 114
 115 private: // from CompleteNotificationInterface
 116   /**
 117    * @copydoc CompleteNotificationInterface::NotifyCompleted()
 118    */
 119   void NotifyCompleted(CompleteNotificationInterface::ParameterList notifierList) override;
 120
 121 private:
 122   Integration::OrderedSet<Animation, false> mAnimations; ///< All existing animations (not owned)
 123   std::map<Dali::Animation, uint32_t>       mPlaylist;   ///< The currently playing animations (owned through handle).
 124                                                          ///< Note we can hold same handles multiple, since OnClear can be called after NotifyCompleted.
 125 };
 126
 127 /**
 128  * Called when an animation reaches a progress marker
 129  *
 130  * Note animationPlaylist is of type CompleteNotificationInterface because of updateManager only knowing about the interface not actual playlist
 131  */
 132 inline MessageBase* NotifyProgressReachedMessage(CompleteNotificationInterface& animationPlaylist, NotifierInterface::NotifyId notifyId)
 133 {
 134   return new MessageValue1<AnimationPlaylist, NotifierInterface::NotifyId>(static_cast<AnimationPlaylist*>(&animationPlaylist), &AnimationPlaylist::NotifyProgressReached, notifyId);
 135 }
 136
 137 } // namespace Internal
 138
 139 } // namespace Dali
 140
 141 #endif // DALI_INTERNAL_ANIMATION_PLAYLIST_H