1 #ifndef DALI_INTERNAL_EVENT_PROCESSOR_H
2 #define DALI_INTERNAL_EVENT_PROCESSOR_H
5 * Copyright (c) 2021 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 <unordered_map>
25 #include <dali/integration-api/events/point.h>
26 #include <dali/internal/common/message-buffer.h>
27 #include <dali/internal/event/events/hover-event-processor.h>
28 #include <dali/internal/event/events/key-event-processor.h>
29 #include <dali/internal/event/events/touch-event-processor.h>
30 #include <dali/internal/event/events/wheel-event-processor.h>
42 class GestureEventProcessor;
43 class NotificationManager;
45 using TouchPointsContainer = std::list<Integration::Point>;
46 using ActorTouchPointsContainer = std::unordered_map<uint32_t, TouchPointsContainer>;
48 using TouchEventProcessorsContainer = std::unordered_map<uint32_t, IntrusivePtr<TouchEventProcessor>>;
49 using ActorIdDeviceIdContainer = std::unordered_map<uint32_t, uint32_t>;
51 * The EventProcessor processes any events that are received by Dali. Such events include
52 * touch events, key events, wheel events, and notification events.
54 * When the EventProcessor receives an event, it determines its type and passes it on to the
55 * appropriate processor.
62 * @param[in] scene The scene.
63 * @param[in] gestureEventProcessor The gesture event processor.
65 EventProcessor(Scene& scene, GestureEventProcessor& gestureEventProcessor);
70 virtual ~EventProcessor();
74 * This function is called when an event is queued.
75 * @param[in] event A event to queue.
77 void QueueEvent(const Integration::Event& event);
80 * This function is called when events are processed.
85 * This function is called when sending a interrupted event to a specific actor.
86 * @param[in] actor The actor on which the event should occur.
88 void SendInterruptedEvents(Dali::Internal::Actor *actor);
91 Scene& mScene; ///< The Scene events are processed for.
92 TouchEventProcessor mTouchEventProcessor; ///< Processes touch events.
93 HoverEventProcessor mHoverEventProcessor; ///< Processes hover events.
94 GestureEventProcessor& mGestureEventProcessor; ///< Processes gesture events.
95 KeyEventProcessor mKeyEventProcessor; ///< Processes key events.
96 WheelEventProcessor mWheelEventProcessor; ///< Processes wheel events.
98 // Allow messages to be added safely to one queue, while processing (iterating through) the second queue.
99 MessageBuffer mEventQueue0; ///< An event queue.
100 MessageBuffer mEventQueue1; ///< Another event queue.
101 MessageBuffer* mCurrentEventQueue; ///< QueueEvent() will queue here.
103 TouchEventProcessorsContainer mTouchEventProcessors; ///< List of touch processors by actor
104 ActorTouchPointsContainer mActorTouchPoints; ///< List of touch events by actor
105 ActorIdDeviceIdContainer mActorIdDeviceId; ///< List of actor id by touch device id
108 } // namespace Internal
112 #endif // DALI_INTERNAL_EVENT_PROCESSOR_H