1 #ifndef DALI_INTEGRATION_TRIGGER_EVENT_INTERFACE_H
2 #define DALI_INTEGRATION_TRIGGER_EVENT_INTERFACE_H
5 * Copyright (c) 2020 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.
24 * @brief Interface for a trigger event class.
26 * The trigger event is a way of running a function call back on the main event thread of Dali.
27 * To create a trigger event use the factory interface.
29 class TriggerEventInterface
33 * @brief trigger event options
37 KEEP_ALIVE_AFTER_TRIGGER,
38 DELETE_AFTER_TRIGGER, // automatically delete the trigger event object, after Trigger() is called.
42 * @brief Triggers the event.
43 * This method cannot ever block, it needs to return immediately.
44 * This can be called from one thread in order to wake up another thread.
46 virtual void Trigger() = 0;
52 TriggerEventInterface()
58 * @brief Virtual destructor
60 virtual ~TriggerEventInterface()
65 // Undefined copy constructor.
66 TriggerEventInterface(const TriggerEventInterface&);
68 // Undefined assignment operator.
69 TriggerEventInterface& operator=(const TriggerEventInterface&);
74 #endif // DALI_INTEGRATION_TRIGGER_EVENT_INTERFACE_H