1 #ifndef __DALI_INTERNAL_OBJECT_REGISTRY_H__
2 #define __DALI_INTERNAL_OBJECT_REGISTRY_H__
5 // Copyright (c) 2014 Samsung Electronics Co., Ltd.
7 // Licensed under the Flora License, Version 1.0 (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://floralicense.org/license/
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.
26 #include <dali/public-api/object/ref-object.h>
27 #include <dali/public-api/object/object-registry.h>
28 #include <dali/public-api/object/base-object.h>
45 typedef IntrusivePtr<ObjectRegistry> ObjectRegistryPtr;
48 * The ObjectRegistry notifies it's observers when an object is created.
49 * There is a single instance of Object registry for each Dali-core instance.
50 * All Dali Objects need to register with ObjectRegistry to be observed by
51 * feedback plugin's and other observers.
53 class ObjectRegistry : public BaseObject
58 * Create the objectRegistry
60 static ObjectRegistryPtr New();
63 * Registers the Object into the Object Registry, Which notifies
64 * about this object creation to its observers.
65 * @pre The object is not already registered.
66 * @param[in] object Pointer to the object.
68 void RegisterObject( Dali::BaseObject* object );
71 * Unregisters the Object from the Object Registry, Which notifies
72 * about this object destruction to its observers.
73 * @pre The object is already registered.
74 * @param[in] object Pointer to the object.
76 void UnregisterObject( Dali::BaseObject* object );
79 * @copydoc Dali::ObjectRegistry::ObjectCreatedSignal()
81 Dali::ObjectRegistry::ObjectCreatedSignalV2& ObjectCreatedSignal()
83 return mObjectCreatedSignalV2;
87 * @copydoc Dali::ObjectRegistry::ObjectDestroyedSignal()
89 Dali::ObjectRegistry::ObjectDestroyedSignalV2& ObjectDestroyedSignal()
91 return mObjectDestroyedSignalV2;
95 * Connects a callback function with the object registry 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 );
108 * Protected constructor; see also ObjectRegistry::New()
113 * A reference counted object may only be deleted by calling Unreference()
119 Dali::ObjectRegistry::ObjectCreatedSignalV2 mObjectCreatedSignalV2;
120 Dali::ObjectRegistry::ObjectDestroyedSignalV2 mObjectDestroyedSignalV2;
123 std::set< Dali::BaseObject* > mDebugRegistry; ///< This allows us to assert that an object is only registered once (debug builds only)
128 } // namespace Internal
130 // Helpers for public-api forwarding methods
132 inline Internal::ObjectRegistry& GetImplementation(Dali::ObjectRegistry& objectRegistry)
134 DALI_ASSERT_ALWAYS( objectRegistry && "ObjectRegistry handle is empty" );
136 BaseObject& handle = objectRegistry.GetBaseObject();
138 return static_cast<Internal::ObjectRegistry&>(handle);
141 inline const Internal::ObjectRegistry& GetImplementation(const Dali::ObjectRegistry& objectRegistry)
143 DALI_ASSERT_ALWAYS( objectRegistry && "ObjectRegistry handle is empty" );
145 const BaseObject& handle = objectRegistry.GetBaseObject();
147 return static_cast<const Internal::ObjectRegistry&>(handle);
152 #endif // __DALI_INTERNAL_OBJECT_REGISTRY_H__