1 #ifndef DALI_INTERNAL_TRANSITION_SET_H
2 #define DALI_INTERNAL_TRANSITION_SET_H
5 * Copyright (c) 2021 Samsung Electronics Co., Ltd.
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
11 * http://www.apache.org/licenses/LICENSE-2.0
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.
22 #include <dali-toolkit/internal/transition/transition-impl.h>
23 #include <dali-toolkit/public-api/transition/transition-set.h>
26 #include <dali/integration-api/processor-interface.h>
27 #include <dali/public-api/object/base-object.h>
28 #include <dali/public-api/signals/connection-tracker.h>
36 using TransitionSetPtr = IntrusivePtr<TransitionSet>;
38 class TransitionSet : public BaseObject, public ConnectionTracker, public Integration::Processor
42 * Create a new TransitionSet object.
43 * @return A smart-pointer to the newly allocated TransitionSet.
45 static TransitionSetPtr New();
48 * @copydoc Dali::Toolkit::TransitionSet::AddTransition(TransitionPtr transition)
50 void AddTransition(TransitionBasePtr transition);
53 * @copydoc Dali::Toolkit::TransitionSet::GetTransitionAt(uint32_t index)
55 TransitionBase* GetTransitionAt(uint32_t index) const;
58 * @copydoc Dali::Toolkit::TransitionSet::GetTransitionCount()
60 uint32_t GetTransitionCount() const;
63 * @copydoc Dali::Toolkit::TransitionSet::QueueToPlay()
68 * @brief Set pre process of each transition.
70 void TransitionPreProcess();
73 * @brief Start to play each of Transition.
74 * This method called at the end of event thread tick, and this method call OnPlay method of TransitionBase internally.
76 void TransitionStart();
79 * @brief Remove each finished TransitionBase from play list.
80 * If all transitions are finished emit Finished signal.
82 void TransitionFinished(Dali::Animation& source);
85 * @copydoc Dali::Toolkit::TransitionSet::FinishedSignal()
87 Dali::Toolkit::TransitionSet::TransitionSetSignalType& FinishedSignal();
90 * Emit the Finished signal
92 void EmitSignalFinish();
95 * Connects a callback function with the object's signals.
96 * @param[in] object The object providing the signal.
97 * @param[in] tracker Used to disconnect the signal.
98 * @param[in] signalName The signal to connect to.
99 * @param[in] functor A newly allocated FunctorDelegate.
100 * @return True if the signal was connected.
101 * @post If a signal was connected, ownership of functor was passed to CallbackBase. Otherwise the caller is responsible for deleting the unused functor.
103 static bool DoConnectSignal(BaseObject* object, ConnectionTrackerInterface* tracker, const std::string& signalName, FunctorDelegate* functor);
105 protected: // Implementation of Processor
107 * @copydoc Dali::Integration::Processor::Process()
109 void Process(bool postProcessor) override;
113 * Construct a new TransitionSet.
118 * A reference counted object may only be deleted by calling Unreference()
120 ~TransitionSet() override;
124 TransitionSet(const TransitionSet&);
127 TransitionSet& operator=(const TransitionSet& rhs);
130 Dali::Toolkit::TransitionSet::TransitionSetSignalType mFinishedSignal{};
131 std::vector<TransitionBasePtr> mTransitions;
132 std::vector<TransitionBasePtr> mPlaylist;
133 Dali::Animation mAnimation;
136 } // namespace Internal
138 // Helpers for public-api forwarding methods
140 inline Internal::TransitionSet& GetImplementation(Dali::Toolkit::TransitionSet& transitionSet)
142 DALI_ASSERT_ALWAYS(transitionSet && "TransitionSet handle is empty");
144 BaseObject& handle = transitionSet.GetBaseObject();
146 return static_cast<Internal::TransitionSet&>(handle);
149 inline const Internal::TransitionSet& GetImplementation(const Dali::Toolkit::TransitionSet& transitionSet)
151 DALI_ASSERT_ALWAYS(transitionSet && "TransitionSet handle is empty");
153 const BaseObject& handle = transitionSet.GetBaseObject();
155 return static_cast<const Internal::TransitionSet&>(handle);
158 } // namespace Toolkit
162 #endif // DALI_INTERNAL_TRANSITION_H