1 #ifndef __DALI_INTERNAL_EVENT_HANDLER_H__
2 #define __DALI_INTERNAL_EVENT_HANDLER_H__
5 * Copyright (c) 2018 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/integration-api/events/key-event-integ.h>
23 #include <dali/integration-api/events/point.h>
24 #include <dali/integration-api/events/touch-event-combiner.h>
25 #include <dali/devel-api/adaptor-framework/style-monitor.h>
28 #include <dali/internal/window-system/common/damage-observer.h>
29 #include <dali/internal/input/common/drag-and-drop-detector-impl.h>
30 #include <dali/internal/accessibility/common/accessibility-adaptor-impl.h>
31 #include <dali/internal/clipboard/common/clipboard-event-notifier-impl.h>
32 #include <dali/internal/window-system/common/rotation-observer.h>
33 #include <dali/internal/window-system/common/window-base.h>
51 class CoreEventInterface;
56 * The Event Handler class is responsible for setting up receiving of Ecore events and then converts them
57 * to TouchEvents when it does receive them.
59 * These TouchEvents are then passed on to Core.
61 class EventHandler : public ConnectionTracker
67 * @param[in] surface The surface where events will be sent to.
68 * @param[in] coreEventInterface Used to send events to Core.
69 * @param[in] gestureManager The Gesture Manager.
70 * @param[in] damageObserver The damage observer (to pass damage events to).
71 * @param[in] dndDetector The Drag & Drop listener (to pass DnD events to).
73 EventHandler( Integration::RenderSurface* surface, CoreEventInterface& coreEventInterface, GestureManager& gestureManager, DamageObserver& damageObserver, DragAndDropDetectorPtr dndDetector );
81 * Feed (Send) touch event to core and gesture manager
82 * @param[in] touchEvent The touch event holding the touch point information.
84 void FeedTouchPoint( TouchPoint& point, int timeStamp );
87 * Feed (Send) wheel event to core and gesture manager
88 * @param[in] wheelEvent The wheel event
90 void FeedWheelEvent( WheelEvent& wheelEvent );
93 * Feed (Send) key event to core
94 * @param[in] keyEvent The key event holding the key information.
96 void FeedKeyEvent( KeyEvent& keyEvent );
99 * Feed (Send) an event to core
100 * @param[in] event The event information.
102 void FeedEvent( Integration::Event& event );
105 * Called when the adaptor is paused.
110 * Called when the adaptor is resumed (from pause).
115 * Sets the Drag & Drop detector.
116 * @param[in] detector An intrusive pointer to the Drag & Drop listener to set. To unset pass in NULL.
118 void SetDragAndDropDetector( DragAndDropDetectorPtr detector );
121 * Set the rotation observer (note, some adaptors may not have a rotation observer)
122 * @param[in] observer The rotation observer
124 void SetRotationObserver( RotationObserver* observer );
129 * Send touch event to core.
130 * @param[in] point The touch point information.
131 * @param[in] timeStamp The time the touch occurred.
133 void SendEvent(Integration::Point& point, unsigned long timeStamp);
136 * Send key event to core.
137 * @param[in] keyEvent The KeyEvent to send.
139 void SendEvent(Integration::KeyEvent& keyEvent);
142 * Send wheel event to core.
143 * @param[in] wheelEvent The wheel event
145 void SendWheelEvent( WheelEvent& wheelEvent );
148 * Send a style change event to the style monitor.
149 * @param[in] styleChange The style that has changed.
151 void SendEvent( StyleChange::Type styleChange );
154 * Send a window damage event to the observer.
155 * @param[in] area Damaged area.
157 void SendEvent( const DamageArea& area );
160 * Inform rotation observer of rotation prepare event
161 * @param[in] rotation The rotation event
163 void SendRotationPrepareEvent( const RotationEvent& rotation );
166 * Inform rotation observer of rotation prepare event
168 void SendRotationRequestEvent();
171 * Resets the event handler.
172 * Called when the adaptor is paused or resumed.
177 * Called when a touch event is received.
179 void OnTouchEvent( Integration::Point& point, unsigned long timeStamp );
182 * Called when a mouse wheel is received.
184 void OnWheelEvent( WheelEvent& wheelEvent );
187 * Called when a key event is received.
189 void OnKeyEvent( Integration::KeyEvent& keyEvent );
192 * Called when the window focus is changed.
194 void OnFocusChanged( bool focusIn );
197 * Called when the window is damaged.
199 void OnWindowDamaged( const DamageArea& area );
202 * Called when the source window notifies us the content in clipboard is selected.
204 void OnSelectionDataSend( void* event );
207 * Called when the source window sends us about the selected content.
209 void OnSelectionDataReceived( void* event );
212 * Called when the style is changed.
214 void OnStyleChanged( StyleChange::Type styleChange );
217 * Called when Ecore ElDBus accessibility event is received.
219 void OnAccessibilityNotification( const WindowBase::AccessibilityInfo& info );
224 * Convert touch event position
226 void ConvertTouchPosition( Integration::Point& point );
231 EventHandler( const EventHandler& eventHandler );
234 EventHandler& operator=( const EventHandler& eventHandler );
238 CoreEventInterface& mCoreEventInterface; ///< Used to send events to Core.
239 Dali::Integration::TouchEventCombiner mCombiner; ///< Combines multi-touch events.
240 GestureManager& mGestureManager; ///< Reference to the GestureManager, set on construction, to send touch events to for analysis.
241 Dali::StyleMonitor mStyleMonitor; ///< Handle to the style monitor, set on construction, to send font size and font change events to.
242 DamageObserver& mDamageObserver; ///< Reference to the DamageObserver, set on construction, to sent damage events to.
243 RotationObserver* mRotationObserver; ///< Pointer to rotation observer, if present.
245 DragAndDropDetectorPtr mDragAndDropDetector; ///< Pointer to the drag & drop detector, to send Drag & Drop events to.
246 Dali::AccessibilityAdaptor mAccessibilityAdaptor; ///< Pointer to the accessibility adaptor
247 Dali::ClipboardEventNotifier mClipboardEventNotifier; ///< Pointer to the clipboard event notifier
248 Dali::Clipboard mClipboard;///< Pointer to the clipboard
254 bool mPaused; ///< The paused state of the adaptor.
257 } // namespace Adaptor
259 } // namespace Internal
263 #endif // __DALI_INTERNAL_EVENT_HANDLER_H__