1 #ifndef __DALI_INTERNAL_SCENE_GRAPH_PROPERTY_OWNER_MESSAGES_H__
2 #define __DALI_INTERNAL_SCENE_GRAPH_PROPERTY_OWNER_MESSAGES_H__
5 * Copyright (c) 2014 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.
23 #include <dali/internal/event/common/event-thread-services.h>
24 #include <dali/internal/event/common/property-input-impl.h>
25 #include <dali/internal/update/common/property-owner.h>
26 #include <dali/internal/update/animation/scene-graph-constraint-base.h>
38 // Property Messages for PropertyOwner
41 * A base class for property owner property messages.
42 * (For future optimization - see NodeMessageBase & Node.SetActive())
44 class PropertyOwnerMessageBase : public MessageBase
51 PropertyOwnerMessageBase();
56 virtual ~PropertyOwnerMessageBase();
61 PropertyOwnerMessageBase(const PropertyOwnerMessageBase&);
62 PropertyOwnerMessageBase& operator=(const PropertyOwnerMessageBase& rhs);
66 * Templated message which bakes a property.
68 template< typename P >
69 class AnimatablePropertyMessage : public PropertyOwnerMessageBase
73 typedef void(AnimatableProperty<P>::*MemberFunction)( BufferIndex, typename ParameterType< P >::PassingType );
77 * @note The scene object is expected to be const in the thread which sends this message.
78 * However it can be modified when Process() is called in a different thread.
79 * @param[in] eventThreadServices The object used to send messages to the scene graph
80 * @param[in] sceneObject The property owner scene object
81 * @param[in] property The property to bake.
82 * @param[in] member The member function of the object.
83 * @param[in] value The new value of the property.
85 static void Send( EventThreadServices& eventThreadServices,
86 const PropertyOwner* sceneObject,
87 const AnimatableProperty<P>* property,
88 MemberFunction member,
89 typename ParameterType< P >::PassingType value )
91 // Reserve some memory inside the message queue
92 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( AnimatablePropertyMessage ) );
94 // Construct message in the message queue memory; note that delete should not be called on the return value
95 new (slot) AnimatablePropertyMessage( sceneObject, property, member, value );
101 virtual ~AnimatablePropertyMessage()
106 * @copydoc MessageBase::Process
108 virtual void Process( BufferIndex updateBufferIndex )
110 (mProperty->*mMemberFunction)( updateBufferIndex, mParam );
117 * @note The property owner is expected to be const in the thread which sends this message.
118 * However it can be modified when Process() is called in a different thread.
119 * @param[in] sceneObject the property owner scene object
120 * @param[in] property The property to bake.
121 * @param[in] member The member function of the object.
122 * @param[in] value The new value of the property.
124 AnimatablePropertyMessage( const PropertyOwner* sceneObject,
125 const AnimatableProperty<P>* property,
126 MemberFunction member,
127 typename ParameterType< P >::PassingType value )
128 : PropertyOwnerMessageBase(),
129 mSceneObject( const_cast< PropertyOwner* >( sceneObject ) ),
130 mProperty( const_cast< AnimatableProperty<P>* >( property ) ),
131 mMemberFunction( member ),
138 PropertyOwner* mSceneObject;
139 AnimatableProperty<P>* mProperty;
140 MemberFunction mMemberFunction;
141 typename ParameterType< P >::HolderType mParam;
145 * Templated message which bakes a property.
147 template< typename P >
148 class AnimatablePropertyComponentMessage : public PropertyOwnerMessageBase
152 typedef void(AnimatableProperty<P>::*MemberFunction)( BufferIndex, float );
156 * @note The scene object is expected to be const in the thread which sends this message.
157 * However it can be modified when Process() is called in a different thread.
158 * @param[in] eventThreadServices The service object used for sending messages to the scene graph
159 * @param[in] sceneObject The property owner scene object
160 * @param[in] property The property to bake.
161 * @param[in] member The member function of the object.
162 * @param[in] value The new value of the X,Y,Z or W component.
164 static void Send( EventThreadServices& eventThreadServices,
165 const PropertyOwner* sceneObject,
166 const AnimatableProperty<P>* property,
167 MemberFunction member,
170 // Reserve some memory inside the message queue
171 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( AnimatablePropertyComponentMessage ) );
173 // Construct message in the message queue memory; note that delete should not be called on the return value
174 new (slot) AnimatablePropertyComponentMessage( sceneObject, property, member, value );
180 virtual ~AnimatablePropertyComponentMessage()
185 * @copydoc MessageBase::Process
187 virtual void Process( BufferIndex updateBufferIndex )
189 (mProperty->*mMemberFunction)( updateBufferIndex, mParam );
196 * @note The scene object is expected to be const in the thread which sends this message.
197 * However it can be modified when Process() is called in a different thread.
198 * @param[in] sceneObject The property owner scene object
199 * @param[in] property The property to bake.
200 * @param[in] member The member function of the object.
201 * @param[in] value The new value of the X,Y,Z or W component.
203 AnimatablePropertyComponentMessage( const PropertyOwner* sceneObject,
204 const AnimatableProperty<P>* property,
205 MemberFunction member,
207 : PropertyOwnerMessageBase(),
208 mSceneObject( const_cast< PropertyOwner* >( sceneObject ) ),
209 mProperty( const_cast< AnimatableProperty<P>* >( property ) ),
210 mMemberFunction( member ),
216 PropertyOwner* mSceneObject;
217 AnimatableProperty<P>* mProperty;
218 MemberFunction mMemberFunction;
223 // Messages for PropertyOwner
225 inline void InstallCustomPropertyMessage( EventThreadServices& eventThreadServices, const PropertyOwner& owner, PropertyBase* property )
227 typedef MessageValue1< PropertyOwner, OwnerPointer<PropertyBase> > LocalType;
229 // Reserve some memory inside the message queue
230 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
232 // Construct message in the message queue memory; note that delete should not be called on the return value
233 new (slot) LocalType( &owner, &PropertyOwner::InstallCustomProperty, property );
236 inline void ApplyConstraintMessage( EventThreadServices& eventThreadServices, const PropertyOwner& owner, ConstraintBase& constraint )
238 typedef MessageValue1< PropertyOwner, OwnerPointer<ConstraintBase> > LocalType;
240 // Reserve some memory inside the message queue
241 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
243 // Construct message in the message queue memory; note that delete should not be called on the return value
244 new (slot) LocalType( &owner, &PropertyOwner::ApplyConstraint, &constraint );
247 inline void RemoveConstraintMessage( EventThreadServices& eventThreadServices, const PropertyOwner& owner, const ConstraintBase& constConstraint )
249 // The update-thread can modify this object.
250 ConstraintBase& constraint = const_cast< ConstraintBase& >( constConstraint );
252 typedef MessageValue1< PropertyOwner, ConstraintBase* > LocalType;
254 // Reserve some memory inside the message queue
255 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
257 // Construct message in the message queue memory; note that delete should not be called on the return value
258 new (slot) LocalType( &owner, &PropertyOwner::RemoveConstraint, &constraint );
261 inline void AddUniformMapMessage( EventThreadServices& eventThreadServices, const PropertyOwner& owner, UniformPropertyMapping* map )
263 typedef MessageValue1< PropertyOwner, OwnerPointer< UniformPropertyMapping > > LocalType;
264 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
265 new (slot) LocalType( &owner, &PropertyOwner::AddUniformMapping, map );
268 inline void RemoveUniformMapMessage( EventThreadServices& eventThreadServices, const PropertyOwner& owner, const std::string& uniformName )
270 typedef MessageValue1< PropertyOwner, std::string > LocalType;
271 unsigned int* slot = eventThreadServices.ReserveMessageSlot( sizeof( LocalType ) );
272 new (slot) LocalType( &owner, &PropertyOwner::RemoveUniformMapping, uniformName );
276 } // namespace SceneGraph
278 } // namespace Internal
282 #endif // __DALI_INTERNAL_SCENE_GRAPH_PROPERTY_OWNER_MESSAGES_H__