1 #ifndef __DALI_INTERNAL_CALLBACK_MANAGER_H__
2 #define __DALI_INTERNAL_CALLBACK_MANAGER_H__
5 * Copyright (c) 2016 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/public-api/common/dali-common.h>
23 #include <dali/public-api/signals/callback.h>
35 * Abstract interface to install call backs in to an applications main loop.
43 * Create a new call back interface
45 static CallbackManager* New();
50 virtual ~CallbackManager() {}
53 * @brief Adds a @p callback to be run on idle.
54 * @note Must be called from the main thread only.
56 * @param[in] callback custom callback function.
58 * @return true on success
60 virtual bool AddIdleCallback( CallbackBase* callback ) = 0;
63 * @brief Removes a previously added @p callback.
64 * @note Must be called from main thread only.
66 * Does nothing if the @p callback doesn't exist.
68 * @param[in] callback The callback to be removed.
70 virtual void RemoveIdleCallback( CallbackBase* callback ) = 0;
73 * Starts the callback manager.
75 virtual void Start() = 0;
78 * Stop the callback manager and can remove all pending callbacks synchronously.
79 * This call will synchronise with the main loop and not return
80 * until all call backs have been deleted.
82 virtual void Stop() = 0;
93 // Undefined copy constructor.
94 CallbackManager( const CallbackManager& );
96 // Undefined assignment operator.
97 CallbackManager& operator=( const CallbackManager& );
101 } // namespace Adaptor
103 } // namespace Internal
107 #endif // __DALI_INTERNAL_CALLBACK_MANAGER_H__