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

   1 #ifndef DALI_TOOLKIT_INTERNAL_SLIDE_TRANSITION_H
   2 #define DALI_TOOLKIT_INTERNAL_SLIDE_TRANSITION_H
   3
   4 /*
   5  * Copyright (c) 2021 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/slide-transition.h>
  25
  26 // EXTERNAL INCLUDES
  27 #include <dali/public-api/object/weak-handle.h>
  28
  29 namespace Dali
  30 {
  31 namespace Toolkit
  32 {
  33 namespace Internal
  34 {
  35 using SlideTransitionPtr = IntrusivePtr<SlideTransition>;
  36
  37 class SlideTransition : public TransitionBase
  38 {
  39 public:
  40   /**
  41    * @brief Create a new SlideTransition object.
  42    * @param[in] control A control of this transition.
  43    * @param[in] direction Relative direction that the control is comming from or going to.
  44    * @param[in] timePeriod The duration of the animation.
  45    * @return A smart-pointer to the newly allocated SlideTransition.
  46    */
  47   static SlideTransitionPtr New(Dali::Toolkit::Control control, const Vector2& direction, TimePeriod timePeriod);
  48
  49   /**
  50    * @copydoc Dali::Toolkit::SlideTransition::SetDirection()
  51    */
  52   void SetDirection(const Vector2& direction);
  53
  54   /**
  55    * @copydoc Dali::Toolkit::SlideTransition::GetDirection()
  56    */
  57   Vector2 GetDirection() const;
  58
  59 protected:
  60   /**
  61    * @copydoc Dali::Toolkit::SlideTransition::OnPlay()
  62    */
  63   void OnPlay() override;
  64
  65 protected:
  66   /**
  67    * @brief Construct a new SlideTransition.
  68    */
  69   SlideTransition(Dali::Toolkit::Control control,
  70                   const Vector2&         direction,
  71                   TimePeriod             timePeriod);
  72
  73   /**
  74    * @brief A reference counted object may only be deleted by calling Unreference()
  75    */
  76   ~SlideTransition() override;
  77
  78 private:
  79   // Undefined
  80   SlideTransition(const SlideTransition&);
  81
  82   // Undefined
  83   SlideTransition& operator=(const SlideTransition& rhs);
  84
  85 private:
  86   WeakHandle<Dali::Toolkit::Control> mTargetControl;
  87   Vector2                            mDirection;
  88 };
  89
  90 } // namespace Internal
  91
  92 // Helpers for public-api forwarding methods
  93
  94 inline Internal::SlideTransition& GetImplementation(Dali::Toolkit::SlideTransition& slide)
  95 {
  96   DALI_ASSERT_ALWAYS(slide && "SlideTransition handle is empty");
  97
  98   BaseObject& handle = slide.GetBaseObject();
  99
 100   return static_cast<Internal::SlideTransition&>(handle);
 101 }
 102
 103 inline const Internal::SlideTransition& GetImplementation(const Dali::Toolkit::SlideTransition& slide)
 104 {
 105   DALI_ASSERT_ALWAYS(slide && "SlideTransition handle is empty");
 106
 107   const BaseObject& handle = slide.GetBaseObject();
 108
 109   return static_cast<const Internal::SlideTransition&>(handle);
 110 }
 111
 112 } // namespace Toolkit
 113
 114 } // namespace Dali
 115
 116 #endif // DALI_TOOLKIT_INTERNAL_SLIDE_TRANSITION_H