dali-toolkit/internal/transition/transition-impl.h

   1 #ifndef DALI_TOOLKIT_INTERNAL_TRANSITION_H
   2 #define DALI_TOOLKIT_INTERNAL_TRANSITION_H
   3
   4 /*
   5  * Copyright (c) 2022 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-toolkit/internal/transition/transition-base-impl.h>
  23 #include <dali-toolkit/public-api/controls/control.h>
  24 #include <dali-toolkit/public-api/transition/transition.h>
  25
  26 // EXTERNAL INCLUDES
  27 #include <dali/public-api/common/vector-wrapper.h>
  28 #include <dali/public-api/object/weak-handle.h>
  29
  30 namespace Dali
  31 {
  32 namespace Toolkit
  33 {
  34 namespace Internal
  35 {
  36 using TransitionPtr = IntrusivePtr<Transition>;
  37
  38 class Transition : public TransitionBase
  39 {
  40 public:
  41   /**
  42    * @brief Create a new Transition object.
  43    * @param[in] source A source control of this transition.
  44    * @param[in] destination A destination control of this transition.
  45    * @param[in] useDestinationTarget True if this transition uses destination control as target.
  46    * @param[in] timePeriod The timePeriod of the animation.
  47    * @return A smart-pointer to the newly allocated Transition.
  48    */
  49   static TransitionPtr New(Dali::Toolkit::Control source, Dali::Toolkit::Control destination, bool useDestinationTarget, TimePeriod timePeriod);
  50
  51 protected:
  52   /**
  53    * @copydoc Dali::Toolkit::Transition::OnPlay()
  54    */
  55   void OnPlay() override;
  56
  57   /**
  58    * @brief Emit the Finished signal
  59    */
  60   void OnFinished() override;
  61
  62 protected:
  63   /**
  64    * @brief Construct a new Transition.
  65    */
  66   Transition(Dali::Toolkit::Control source,
  67              Dali::Toolkit::Control destination,
  68              bool                   useDestinationTarget,
  69              TimePeriod             timePeriod);
  70
  71   /**
  72    * @brief A reference counted object may only be deleted by calling Unreference()
  73    */
  74   ~Transition() override;
  75
  76 private:
  77   // Undefined
  78   Transition(const Transition&);
  79
  80   // Undefined
  81   Transition& operator=(const Transition& rhs);
  82
  83 private:
  84   Dali::Toolkit::Control GetTargetControl();
  85   Dali::Toolkit::Control GetWaitingControl();
  86
  87 private:
  88   bool                                                               mUseDestinationTarget;
  89   Vector3                                                            mOriginalSize;
  90   std::vector<std::pair<Dali::Property::Index, Dali::Property::Map>> mOriginalVisualProperties;
  91   WeakHandle<Dali::Toolkit::Control>                                 mSourceControl;
  92   WeakHandle<Dali::Toolkit::Control>                                 mDestinationControl;
  93 };
  94
  95 } // namespace Internal
  96
  97 // Helpers for public-api forwarding methods
  98
  99 inline Internal::Transition& GetImplementation(Dali::Toolkit::Transition& transition)
 100 {
 101   DALI_ASSERT_ALWAYS(transition && "Transition handle is empty");
 102
 103   BaseObject& handle = transition.GetBaseObject();
 104
 105   return static_cast<Internal::Transition&>(handle);
 106 }
 107
 108 inline const Internal::Transition& GetImplementation(const Dali::Toolkit::Transition& transition)
 109 {
 110   DALI_ASSERT_ALWAYS(transition && "Transition handle is empty");
 111
 112   const BaseObject& handle = transition.GetBaseObject();
 113
 114   return static_cast<const Internal::Transition&>(handle);
 115 }
 116
 117 } // namespace Toolkit
 118
 119 } // namespace Dali
 120
 121 #endif // DALI_TOOLKIT_INTERNAL_TRANSITION_H