1 #ifndef DALI_INTERNAL_EVENT_PROCESSOR_H
2 #define DALI_INTERNAL_EVENT_PROCESSOR_H
5 * Copyright (c) 2019 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/internal/event/events/touch-event-processor.h>
23 #include <dali/internal/event/events/hover-event-processor.h>
24 #include <dali/internal/event/events/key-event-processor.h>
25 #include <dali/internal/event/events/wheel-event-processor.h>
26 #include <dali/internal/common/message-buffer.h>
40 class GestureEventProcessor;
41 class NotificationManager;
44 * The EventProcessor processes any events that are received by Dali. Such events include
45 * touch events, key events, wheel events, and notification events.
47 * When the EventProcessor receives an event, it determines its type and passes it on to the
48 * appropriate processor.
56 * @param[in] scene The scene.
57 * @param[in] gestureEventProcessor The gesture event processor.
59 EventProcessor( Scene& scene, GestureEventProcessor& gestureEventProcessor );
64 virtual ~EventProcessor();
69 * This function is called when an event is queued.
70 * @param[in] event A event to queue.
72 void QueueEvent( const Integration::Event& event );
75 * This function is called when events are processed.
81 Scene& mScene; ///< The Scene events are processed for.
82 TouchEventProcessor mTouchEventProcessor; ///< Processes touch events.
83 HoverEventProcessor mHoverEventProcessor; ///< Processes hover events.
84 GestureEventProcessor& mGestureEventProcessor; ///< Processes gesture events.
85 KeyEventProcessor mKeyEventProcessor; ///< Processes key events.
86 WheelEventProcessor mWheelEventProcessor; ///< Processes wheel events.
88 // Allow messages to be added safely to one queue, while processing (iterating through) the second queue.
89 MessageBuffer mEventQueue0; ///< An event queue.
90 MessageBuffer mEventQueue1; ///< Another event queue.
91 MessageBuffer* mCurrentEventQueue; ///< QueueEvent() will queue here.
94 } // namespace Internal
98 #endif // DALI_INTERNAL_EVENT_PROCESSOR_H