Add support for new accessibility actions
[platform/core/uifw/dali-adaptor.git] / adaptors / x11 / event-handler-x.cpp
1 /*
2  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17
18 // CLASS HEADER
19 #include <events/event-handler.h>
20
21 // EXTERNAL INCLUDES
22 #include <Ecore.h>
23 #include <Ecore_Input.h>
24 #include <Ecore_X.h>
25
26 #include <X11/Xlib.h>
27 #include <X11/extensions/XInput2.h>
28 #include <X11/extensions/XI2.h>
29
30 #include <cstring>
31
32 #include <sys/time.h>
33
34 #ifndef DALI_PROFILE_UBUNTU
35 #include <vconf.h>
36 #include <vconf-keys.h>
37 #endif // DALI_PROFILE_UBUNTU
38
39 #ifdef DALI_ELDBUS_AVAILABLE
40 #include <Eldbus.h>
41 #endif // DALI_ELDBUS_AVAILABLE
42
43 #include <dali/public-api/common/vector-wrapper.h>
44 #include <dali/public-api/events/touch-point.h>
45 #include <dali/public-api/events/key-event.h>
46 #include <dali/public-api/events/wheel-event.h>
47 #include <dali/integration-api/debug.h>
48 #include <dali/integration-api/events/key-event-integ.h>
49 #include <dali/integration-api/events/touch-event-integ.h>
50 #include <dali/integration-api/events/hover-event-integ.h>
51 #include <dali/integration-api/events/wheel-event-integ.h>
52
53 // INTERNAL INCLUDES
54 #include <events/gesture-manager.h>
55 #include <window-render-surface.h>
56 #include <clipboard-impl.h>
57 #include <key-impl.h>
58 #include <physical-keyboard-impl.h>
59 #include <style-monitor-impl.h>
60 #include <base/core-event-interface.h>
61
62 namespace Dali
63 {
64
65 namespace Internal
66 {
67
68 namespace Adaptor
69 {
70
71 #if defined(DEBUG_ENABLED)
72 namespace
73 {
74 Integration::Log::Filter* gTouchEventLogFilter  = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_TOUCH");
75 Integration::Log::Filter* gClientMessageLogFilter  = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_CLIENT_MESSAGE");
76 Integration::Log::Filter* gDragAndDropLogFilter = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_DND");
77 Integration::Log::Filter* gImfLogging  = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_IMF");
78 Integration::Log::Filter* gSelectionEventLogFilter = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_SELECTION");
79 } // unnamed namespace
80 #endif
81
82
83 namespace
84 {
85
86 const char * DETENT_DEVICE_NAME = "tizen_detent";
87
88 // DBUS accessibility
89 #define A11Y_BUS "org.a11y.Bus"
90 #define A11Y_INTERFACE "org.a11y.Bus"
91 #define A11Y_PATH "/org/a11y/bus"
92 #define A11Y_GET_ADDRESS "GetAddress"
93 #define BUS "com.samsung.EModule"
94 #define INTERFACE "com.samsung.GestureNavigation"
95 #define PATH "/com/samsung/GestureNavigation"
96 #define SIGNAL "GestureDetected"
97
98 #ifndef DALI_PROFILE_UBUNTU
99 const char * DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME = "db/setting/accessibility/font_name"; // It will be update at vconf-key.h and replaced.
100 #endif // DALI_PROFILE_UBUNTU
101
102 const unsigned int PRIMARY_TOUCH_BUTTON_ID( 1 );
103
104 #ifndef DALI_PROFILE_UBUNTU
105 const char * CLIPBOARD_ATOM                = "CBHM_MSG";
106 const char * CLIPBOARD_SET_OWNER_MESSAGE   = "SET_OWNER";
107 #endif // DALI_PROFILE_UBUNTU
108
109 /// The atoms required by Ecore for Drag & Drop behaviour.
110 Ecore_X_Atom DRAG_AND_DROP_ATOMS[] =
111 {
112   ECORE_X_ATOM_XDND_ACTION_COPY,
113 };
114
115 /// The types that we support.
116 const char * DRAG_AND_DROP_TYPES[] =
117 {
118   ECORE_X_SELECTION_TARGET_UTF8_STRING,
119 };
120
121 const unsigned int DRAG_AND_DROP_ATOMS_NUMBER = sizeof( DRAG_AND_DROP_ATOMS ) / sizeof( Ecore_X_Atom );
122 const unsigned int DRAG_AND_DROP_TYPES_NUMBER = sizeof( DRAG_AND_DROP_TYPES ) / sizeof( const char * );
123
124 const unsigned int BYTES_PER_CHARACTER_FOR_ATTRIBUTES = 3;
125
126 #ifdef DALI_ELDBUS_AVAILABLE
127 // DBus gesture string matching lists.
128 // TODO: This needs moving to its own module.
129 const char * ElDBusAccessibilityFingerCountStrings[] =
130 {
131   "OneFinger",
132   "TwoFingers",
133   "ThreeFingers"
134 };
135 const unsigned int FingerCountStringsTotal = sizeof( ElDBusAccessibilityFingerCountStrings ) / sizeof( ElDBusAccessibilityFingerCountStrings[0] );
136 enum GestureType
137 {
138   GESTURE_TYPE_NONE,
139   GESTURE_TYPE_HOVER,
140   GESTURE_TYPE_SINGLE_TAP,
141   GESTURE_TYPE_DOUBLE_TAP,
142   GESTURE_TYPE_TRIPLE_TAP
143 };
144 struct GestureTypeTable
145 {
146   const char* name;
147   const GestureType type;
148 };
149 GestureTypeTable ElDBusAccessibilityFullEventTypeStrings[] =
150 {
151   { "Hover",     GESTURE_TYPE_HOVER      },
152   { "SingleTap", GESTURE_TYPE_SINGLE_TAP },
153   { "DoubleTap", GESTURE_TYPE_DOUBLE_TAP },
154   { "TripleTap", GESTURE_TYPE_TRIPLE_TAP }
155 };
156 const unsigned int FullEventTypeStringsTotal = sizeof( ElDBusAccessibilityFullEventTypeStrings ) / sizeof( ElDBusAccessibilityFullEventTypeStrings[0] );
157 enum SubGestureType
158 {
159   SUB_GESTURE_TYPE_NONE,
160   SUB_GESTURE_TYPE_FLICK
161 };
162 struct SubGestureTypeTable
163 {
164   const char* name;
165   const SubGestureType type;
166 };
167 SubGestureTypeTable ElDBusAccessibilityDirectionalEventTypeStrings[] =
168 {
169   { "Flick", SUB_GESTURE_TYPE_FLICK }
170 };
171 const unsigned int DirectionalEventTypeStringsTotal = sizeof( ElDBusAccessibilityDirectionalEventTypeStrings ) / sizeof( ElDBusAccessibilityDirectionalEventTypeStrings[0] );
172 enum GestureDirection
173 {
174   GESTURE_DIRECTION_NONE,
175   GESTURE_DIRECTION_UP,
176   GESTURE_DIRECTION_DOWN,
177   GESTURE_DIRECTION_LEFT,
178   GESTURE_DIRECTION_RIGHT,
179   GESTURE_DIRECTION_UP_RETURN,
180   GESTURE_DIRECTION_DOWN_RETURN,
181   GESTURE_DIRECTION_LEFT_RETURN,
182   GESTURE_DIRECTION_RIGHT_RETURN
183 };
184 struct GestureDirectionTable
185 {
186         const char* name;
187         const GestureDirection direction;
188 };
189 GestureDirectionTable ElDBusAccessibilityDirectionStrings[] =
190 {
191   { "Up",           GESTURE_DIRECTION_UP           },
192   { "Down",         GESTURE_DIRECTION_DOWN         },
193   { "Left",         GESTURE_DIRECTION_LEFT         },
194   { "Right",        GESTURE_DIRECTION_RIGHT        },
195   { "UpReturn",     GESTURE_DIRECTION_UP_RETURN    },
196   { "DownReturn",   GESTURE_DIRECTION_DOWN_RETURN  },
197   { "LeftReturn",   GESTURE_DIRECTION_LEFT_RETURN  },
198   { "RightReturn",  GESTURE_DIRECTION_RIGHT_RETURN }
199 };
200 const unsigned int DirectionStringsTotal = sizeof( ElDBusAccessibilityDirectionStrings ) / sizeof( ElDBusAccessibilityDirectionStrings[0] );
201 #endif // DALI_ELDBUS_AVAILABLE
202
203 /**
204  * Ecore_Event_Modifier enums in Ecore_Input.h do not match Ecore_IMF_Keyboard_Modifiers in Ecore_IMF.h.
205  * This function converts from Ecore_Event_Modifier to Ecore_IMF_Keyboard_Modifiers enums.
206  * @param[in] ecoreModifier the Ecore_Event_Modifier input.
207  * @return the Ecore_IMF_Keyboard_Modifiers output.
208  */
209 Ecore_IMF_Keyboard_Modifiers EcoreInputModifierToEcoreIMFModifier(unsigned int ecoreModifier)
210 {
211    int modifier( ECORE_IMF_KEYBOARD_MODIFIER_NONE );  // If no other matches returns NONE.
212
213
214    if ( ecoreModifier & ECORE_EVENT_MODIFIER_SHIFT )  // enums from ecore_input/Ecore_Input.h
215    {
216      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_SHIFT;  // enums from ecore_imf/ecore_imf.h
217    }
218
219    if ( ecoreModifier & ECORE_EVENT_MODIFIER_ALT )
220    {
221      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_ALT;
222    }
223
224    if ( ecoreModifier & ECORE_EVENT_MODIFIER_CTRL )
225    {
226      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_CTRL;
227    }
228
229    if ( ecoreModifier & ECORE_EVENT_MODIFIER_WIN )
230    {
231      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_WIN;
232    }
233
234    if ( ecoreModifier & ECORE_EVENT_MODIFIER_ALTGR )
235    {
236      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_ALTGR;
237    }
238
239    return static_cast<Ecore_IMF_Keyboard_Modifiers>( modifier );
240 }
241
242
243 // Copied from x server
244 static unsigned int GetCurrentMilliSeconds(void)
245 {
246   struct timeval tv;
247
248   struct timespec tp;
249   static clockid_t clockid;
250
251   if (!clockid)
252   {
253 #ifdef CLOCK_MONOTONIC_COARSE
254     if (clock_getres(CLOCK_MONOTONIC_COARSE, &tp) == 0 &&
255       (tp.tv_nsec / 1000) <= 1000 && clock_gettime(CLOCK_MONOTONIC_COARSE, &tp) == 0)
256     {
257       clockid = CLOCK_MONOTONIC_COARSE;
258     }
259     else
260 #endif
261     if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
262     {
263       clockid = CLOCK_MONOTONIC;
264     }
265     else
266     {
267       clockid = ~0L;
268     }
269   }
270   if (clockid != ~0L && clock_gettime(clockid, &tp) == 0)
271   {
272     return (tp.tv_sec * 1000) + (tp.tv_nsec / 1000000L);
273   }
274
275   gettimeofday(&tv, NULL);
276   return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
277 }
278
279 } // unnamed namespace
280
281 // Impl to hide EFL implementation.
282 struct EventHandler::Impl
283 {
284   // Construction & Destruction
285
286   /**
287    * Constructor
288    */
289   Impl( EventHandler* handler, Ecore_X_Window window )
290   : mHandler( handler ),
291     mEcoreEventHandler(),
292     mWindow( window ),
293     mXiDeviceId( 0 )
294   {
295     // Only register for touch and key events if we have a window
296     if ( window != 0 )
297     {
298       // Register Touch events
299       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_BUTTON_DOWN,  EcoreEventMouseButtonDown, handler ) );
300       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_BUTTON_UP,    EcoreEventMouseButtonUp,   handler ) );
301       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_MOVE,         EcoreEventMouseButtonMove, handler ) );
302       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_OUT,          EcoreEventMouseButtonUp,   handler ) ); // process mouse out event like up event
303
304       // Register Mouse wheel events
305       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_WHEEL,        EcoreEventMouseWheel,      handler ) );
306
307       // Register Key events
308       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_KEY_DOWN,           EcoreEventKeyDown,         handler ) );
309       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_KEY_UP,             EcoreEventKeyUp,           handler ) );
310
311       // Register Focus events
312       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_WINDOW_FOCUS_IN,  EcoreEventWindowFocusIn,   handler ) );
313       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_WINDOW_FOCUS_OUT, EcoreEventWindowFocusOut,  handler ) );
314
315       // Register Window damage events
316       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_WINDOW_DAMAGE,    EcoreEventWindowDamaged, handler ) );
317
318       // Enable Drag & Drop and register DnD events
319       ecore_x_dnd_aware_set( window, EINA_TRUE );
320       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_ENTER,       EcoreEventDndEnter,            handler) );
321       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_POSITION,    EcoreEventDndPosition,         handler) );
322       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_LEAVE,       EcoreEventDndLeave,            handler) );
323       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_DROP,        EcoreEventDndDrop,             handler) );
324       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_FINISHED,    EcoreEventDndFinished,         handler) );
325       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_STATUS,      EcoreEventDndStatus,           handler) );
326
327       // Register Client message events - accessibility etc.
328       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_CLIENT_MESSAGE,  EcoreEventClientMessage, handler ) );
329
330       // Register Selection event - clipboard selection, Drag & Drop selection etc.
331       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_SELECTION_CLEAR, EcoreEventSelectionClear, handler ) );
332       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_SELECTION_NOTIFY, EcoreEventSelectionNotify, handler ) );
333
334       // Initialize Xi2 system
335       Display* display = static_cast< Display* >(ecore_x_display_get());
336       Ecore_X_Window rootWindow = ecore_x_window_root_first_get();
337       int opcode = 0, event = 0, error = 0;
338       int major = XI_2_Major;
339       int minor = XI_2_Minor;
340       int deviceCount = 0;
341       XIEventMask xiEventMask;
342
343       // Check if X input extension available
344       if( XQueryExtension( display, "XInputExtension", &opcode, &event, &error ) )
345       {
346         // We support version 2.0
347         if( XIQueryVersion( display, &major, &minor ) != BadRequest )
348         {
349           xiEventMask.deviceid = XIAllDevices;
350
351           // Check device id
352           bool match = false;
353           XIDeviceInfo* deviceInfo = NULL;
354           deviceInfo = XIQueryDevice( display, XIAllDevices, &deviceCount );
355
356           for( int i = 0; i < deviceCount; i++ )
357           {
358             if( !strncmp( deviceInfo[i].name, DETENT_DEVICE_NAME, strlen( DETENT_DEVICE_NAME ) ) )
359             {
360               xiEventMask.deviceid = deviceInfo[i].deviceid;
361               match = true;
362               break;
363             }
364           }
365
366           if( match )
367           {
368             mXiDeviceId = xiEventMask.deviceid;
369
370             // SelectXi2Event
371             xiEventMask.mask = (unsigned char*)(calloc( 1, XIMaskLen( XI_LASTEVENT ) ) );
372             XISetMask( xiEventMask.mask, XI_RawMotion );
373
374             xiEventMask.mask_len = sizeof( xiEventMask.mask );
375
376             int ret = XISelectEvents( display, rootWindow, &xiEventMask, 1 );
377             if( ret == 0 )
378             {
379               // Register custom wheel events
380               mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_GENERIC, EcoreEventCustomWheel, handler ) );
381             }
382             else
383             {
384               DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to Select Events\n" );
385             }
386           }
387         }
388         else
389         {
390           DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to query XI Version\n" );
391         }
392       }
393       else
394       {
395         DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to query XInputExtension\n" );
396       }
397
398 #ifndef DALI_PROFILE_UBUNTU
399       // Register Vconf notify - font name, font size and style
400       vconf_notify_key_changed( DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME, VconfNotifyFontNameChanged, handler );
401       vconf_notify_key_changed( VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_SIZE, VconfNotifyFontSizeChanged, handler );
402 #endif // DALI_PROFILE_UBUNTU
403
404 #ifdef DALI_ELDBUS_AVAILABLE
405
406       // Initialize ElDBus.
407       DALI_LOG_INFO( gImfLogging, Debug::General, "Starting DBus Initialization" );
408       eldbus_init();
409
410       Eldbus_Connection *sessionConnection;
411       sessionConnection = eldbus_connection_get( ELDBUS_CONNECTION_TYPE_SESSION );
412
413       Eldbus_Object *a11yObject = eldbus_object_get( sessionConnection, A11Y_BUS, A11Y_PATH );
414       Eldbus_Proxy *elDBusManager = eldbus_proxy_get( a11yObject, A11Y_INTERFACE );
415
416       // Pass in handler in the cb_data field so we can access the accessibility adaptor within the callback.
417       eldbus_proxy_call( elDBusManager, A11Y_GET_ADDRESS, EcoreElDBusInitialisation, handler, -1, "" );
418
419       DALI_LOG_INFO( gImfLogging, Debug::General, "Finished DBus Initialization" );
420
421 #endif // DALI_ELDBUS_AVAILABLE
422     }
423   }
424
425   /**
426    * Destructor
427    */
428   ~Impl()
429   {
430 #ifndef DALI_PROFILE_UBUNTU
431     vconf_ignore_key_changed( VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_SIZE, VconfNotifyFontSizeChanged );
432     vconf_ignore_key_changed( DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME, VconfNotifyFontNameChanged );
433 #endif // DALI_PROFILE_UBUNTU
434
435     for( std::vector<Ecore_Event_Handler*>::iterator iter = mEcoreEventHandler.begin(), endIter = mEcoreEventHandler.end(); iter != endIter; ++iter )
436     {
437       ecore_event_handler_del( *iter );
438     }
439
440 #ifdef DALI_ELDBUS_AVAILABLE
441     // Close down ElDBus
442     eldbus_shutdown();
443 #endif // DALI_ELDBUS_AVAILABLE
444   }
445
446   // Static methods
447
448   /////////////////////////////////////////////////////////////////////////////////////////////////
449   // Touch Callbacks
450   /////////////////////////////////////////////////////////////////////////////////////////////////
451
452   /**
453    * Called when a touch down is received.
454    */
455   static Eina_Bool EcoreEventMouseButtonDown( void* data, int type, void* event )
456   {
457     Ecore_Event_Mouse_Button *touchEvent( (Ecore_Event_Mouse_Button*)event );
458     EventHandler* handler( (EventHandler*)data );
459
460     if ( touchEvent->window == handler->mImpl->mWindow )
461     {
462       TouchPoint::State state ( TouchPoint::Down );
463
464       // Check if the buttons field is set and ensure it's the primary touch button.
465       // If this event was triggered by buttons other than the primary button (used for touch), then
466       // just send an interrupted event to Core.
467       if ( touchEvent->buttons && (touchEvent->buttons != PRIMARY_TOUCH_BUTTON_ID ) )
468       {
469         state = TouchPoint::Interrupted;
470       }
471
472       TouchPoint point( touchEvent->multi.device, state, touchEvent->x, touchEvent->y );
473       handler->SendEvent( point, touchEvent->timestamp );
474     }
475
476     return ECORE_CALLBACK_PASS_ON;
477   }
478
479   /**
480    * Called when a touch up is received.
481    */
482   static Eina_Bool EcoreEventMouseButtonUp( void* data, int type, void* event )
483   {
484     Ecore_Event_Mouse_Button *touchEvent( (Ecore_Event_Mouse_Button*)event );
485     EventHandler* handler( (EventHandler*)data );
486
487     if ( touchEvent->window == handler->mImpl->mWindow )
488     {
489       TouchPoint point( touchEvent->multi.device, TouchPoint::Up, touchEvent->x, touchEvent->y );
490       handler->SendEvent( point, touchEvent->timestamp );
491     }
492
493     return ECORE_CALLBACK_PASS_ON;
494   }
495
496   /**
497    * Called when a touch motion is received.
498    */
499   static Eina_Bool EcoreEventMouseButtonMove( void* data, int type, void* event )
500   {
501     Ecore_Event_Mouse_Move *touchEvent( (Ecore_Event_Mouse_Move*)event );
502     EventHandler* handler( (EventHandler*)data );
503
504     if ( touchEvent->window == handler->mImpl->mWindow )
505     {
506       TouchPoint point( touchEvent->multi.device, TouchPoint::Motion, touchEvent->x, touchEvent->y );
507       handler->SendEvent( point, touchEvent->timestamp );
508     }
509
510     return ECORE_CALLBACK_PASS_ON;
511   }
512
513   /////////////////////////////////////////////////////////////////////////////////////////////////
514   // Wheel Callbacks
515   /////////////////////////////////////////////////////////////////////////////////////////////////
516
517   /**
518    * Called when a mouse wheel is received.
519    */
520   static Eina_Bool EcoreEventMouseWheel( void* data, int type, void* event )
521   {
522     Ecore_Event_Mouse_Wheel *mouseWheelEvent( (Ecore_Event_Mouse_Wheel*)event );
523
524     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT Ecore_Event_Mouse_Wheel: direction: %d, modifiers: %d, x: %d, y: %d, z: %d\n", mouseWheelEvent->direction, mouseWheelEvent->modifiers, mouseWheelEvent->x, mouseWheelEvent->y, mouseWheelEvent->z );
525
526     EventHandler* handler( (EventHandler*)data );
527     if ( mouseWheelEvent->window == handler->mImpl->mWindow )
528     {
529       WheelEvent wheelEvent( WheelEvent::MOUSE_WHEEL, mouseWheelEvent->direction, mouseWheelEvent->modifiers, Vector2(mouseWheelEvent->x, mouseWheelEvent->y), mouseWheelEvent->z, mouseWheelEvent->timestamp );
530       handler->SendWheelEvent( wheelEvent );
531     }
532     return ECORE_CALLBACK_PASS_ON;
533   }
534
535   /**
536    * Called when a custom wheel is received.
537    */
538   static Eina_Bool EcoreEventCustomWheel( void* data, int type, void* event )
539   {
540     Ecore_X_Event_Generic *genericEvent( (Ecore_X_Event_Generic*)event );
541     EventHandler* handler( (EventHandler*)data );
542
543     switch( genericEvent->evtype )
544     {
545       case XI_RawMotion:
546       {
547         XIRawEvent* xiRawEvent = static_cast< XIRawEvent* >( genericEvent->data );
548         unsigned int timeStamp = 0;
549
550         if( xiRawEvent->deviceid != handler->mImpl->mXiDeviceId )
551         {
552           return ECORE_CALLBACK_PASS_ON;
553         }
554
555         // X(0): rotate: NOT USED
556         // Y(1): timestamp
557         // Z(2): direction
558
559         double* value = xiRawEvent->raw_values;
560
561         if( XIMaskIsSet( xiRawEvent->valuators.mask, 1) )
562         {
563           timeStamp = static_cast< unsigned int >( *(value + 1) );
564         }
565
566         if( XIMaskIsSet( xiRawEvent->valuators.mask, 2) )
567         {
568           // if z == 1, clockwise
569           // otherwise counter-clockwise
570           int z = static_cast< int >( *(value + 2) );
571
572           // In DALi, positive value means clockwise, and negative value means counter-clockwise
573           if( z == 0 )
574           {
575             z = -1;
576           }
577
578           DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT EcoreEventCustomWheel: z: %d\n", z );
579
580           WheelEvent wheelEvent( WheelEvent::CUSTOM_WHEEL, 0, 0, Vector2(0.0f, 0.0f), z, timeStamp );
581           handler->SendWheelEvent( wheelEvent );
582         }
583         break;
584       }
585       default:
586       {
587         break;
588       }
589     }
590
591     return ECORE_CALLBACK_PASS_ON;
592   }
593
594   /////////////////////////////////////////////////////////////////////////////////////////////////
595   // Key Callbacks
596   /////////////////////////////////////////////////////////////////////////////////////////////////
597
598   /**
599    * Called when a key down is received.
600    */
601   static Eina_Bool EcoreEventKeyDown( void* data, int type, void* event )
602   {
603     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventKeyDown \n" );
604
605     EventHandler* handler( (EventHandler*)data );
606     Ecore_Event_Key *keyEvent( (Ecore_Event_Key*)event );
607     bool eventHandled( false );
608
609     // If a device key then skip ecore_imf_context_filter_event.
610     if ( ! KeyLookup::IsDeviceButton( keyEvent->keyname ) )
611     {
612       Ecore_IMF_Context* imfContext = NULL;
613       Dali::ImfManager imfManager( ImfManager::Get() );
614       if ( imfManager )
615       {
616         imfContext = reinterpret_cast<Ecore_IMF_Context*>( imfManager.GetContext() );
617       }
618
619       if ( imfContext )
620       {
621         // We're consuming key down event so we have to pass to IMF so that it can parse it as well.
622         Ecore_IMF_Event_Key_Down ecoreKeyDownEvent;
623         ecoreKeyDownEvent.keyname   = keyEvent->keyname;
624         ecoreKeyDownEvent.key       = keyEvent->key;
625         ecoreKeyDownEvent.string    = keyEvent->string;
626         ecoreKeyDownEvent.compose   = keyEvent->compose;
627         ecoreKeyDownEvent.timestamp = keyEvent->timestamp;
628         ecoreKeyDownEvent.modifiers = EcoreInputModifierToEcoreIMFModifier ( keyEvent->modifiers );
629         ecoreKeyDownEvent.locks     = (Ecore_IMF_Keyboard_Locks) ECORE_IMF_KEYBOARD_LOCK_NONE;
630
631         eventHandled = ecore_imf_context_filter_event( imfContext,
632                                                        ECORE_IMF_EVENT_KEY_DOWN,
633                                                        (Ecore_IMF_Event *) &ecoreKeyDownEvent );
634
635         // If the event has not been handled by IMF then check if we should reset our IMF context
636         if( !eventHandled )
637         {
638           if ( !strcmp( keyEvent->keyname, "Escape"   ) ||
639                !strcmp( keyEvent->keyname, "Return"   ) ||
640                !strcmp( keyEvent->keyname, "KP_Enter" ) )
641           {
642             ecore_imf_context_reset( imfContext );
643           }
644         }
645       }
646     }
647
648     // If the event wasn't handled then we should send a key event.
649     if ( !eventHandled )
650     {
651       if ( keyEvent->window == handler->mImpl->mWindow )
652       {
653         std::string keyName( keyEvent->keyname );
654         std::string keyString( "" );
655         int keyCode = ecore_x_keysym_keycode_get(keyEvent->keyname);
656         int modifier( keyEvent->modifiers );
657         unsigned long time = keyEvent->timestamp;
658
659         // Ensure key event string is not NULL as keys like SHIFT have a null string.
660         if ( keyEvent->string )
661         {
662           keyString = keyEvent->string;
663         }
664
665         KeyEvent keyEvent(keyName, keyString, keyCode, modifier, time, KeyEvent::Down);
666         handler->SendEvent( keyEvent );
667       }
668     }
669
670     return ECORE_CALLBACK_PASS_ON;
671   }
672
673   /**
674    * Called when a key up is received.
675    */
676   static Eina_Bool EcoreEventKeyUp( void* data, int type, void* event )
677   {
678     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventKeyUp \n" );
679
680     EventHandler* handler( (EventHandler*)data );
681     Ecore_Event_Key *keyEvent( (Ecore_Event_Key*)event );
682     bool eventHandled( false );
683
684     // XF86Stop and XF86Send must skip ecore_imf_context_filter_event.
685     if ( strcmp( keyEvent->keyname, "XF86Send"  ) &&
686          strcmp( keyEvent->keyname, "XF86Phone" ) &&
687          strcmp( keyEvent->keyname, "XF86Stop"  ) )
688     {
689       Ecore_IMF_Context* imfContext = NULL;
690       Dali::ImfManager imfManager( ImfManager::Get() );
691       if ( imfManager )
692       {
693         imfContext = reinterpret_cast<Ecore_IMF_Context*>( imfManager.GetContext() );
694       }
695
696       if ( imfContext )
697       {
698         // We're consuming key up event so we have to pass to IMF so that it can parse it as well.
699         Ecore_IMF_Event_Key_Up ecoreKeyUpEvent;
700         ecoreKeyUpEvent.keyname   = keyEvent->keyname;
701         ecoreKeyUpEvent.key       = keyEvent->key;
702         ecoreKeyUpEvent.string    = keyEvent->string;
703         ecoreKeyUpEvent.compose   = keyEvent->compose;
704         ecoreKeyUpEvent.timestamp = keyEvent->timestamp;
705         ecoreKeyUpEvent.modifiers = EcoreInputModifierToEcoreIMFModifier ( keyEvent->modifiers );
706         ecoreKeyUpEvent.locks     = (Ecore_IMF_Keyboard_Locks) ECORE_IMF_KEYBOARD_LOCK_NONE;
707
708         eventHandled = ecore_imf_context_filter_event( imfContext,
709                                                        ECORE_IMF_EVENT_KEY_UP,
710                                                        (Ecore_IMF_Event *) &ecoreKeyUpEvent );
711       }
712     }
713
714     // If the event wasn't handled then we should send a key event.
715     if ( !eventHandled )
716     {
717       if ( keyEvent->window == handler->mImpl->mWindow )
718       {
719         std::string keyName( keyEvent->keyname );
720         std::string keyString( "" );
721         int keyCode = ecore_x_keysym_keycode_get(keyEvent->keyname);
722         int modifier( keyEvent->modifiers );
723         unsigned long time( keyEvent->timestamp );
724
725         // Ensure key event string is not NULL as keys like SHIFT have a null string.
726         if ( keyEvent->string )
727         {
728           keyString = keyEvent->string;
729         }
730
731         KeyEvent keyEvent(keyName, keyString, keyCode, modifier, time, KeyEvent::Up);
732         handler->SendEvent( keyEvent );
733
734       }
735     }
736
737     return ECORE_CALLBACK_PASS_ON;
738   }
739
740   /////////////////////////////////////////////////////////////////////////////////////////////////
741   // Window Callbacks
742   /////////////////////////////////////////////////////////////////////////////////////////////////
743
744   /**
745    * Called when the window gains focus.
746    */
747   static Eina_Bool EcoreEventWindowFocusIn( void* data, int type, void* event )
748   {
749     Ecore_X_Event_Window_Focus_In* focusInEvent( (Ecore_X_Event_Window_Focus_In*)event );
750     EventHandler* handler( (EventHandler*)data );
751
752     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusIn \n" );
753
754     // If the window gains focus and we hid the keyboard then show it again.
755     if ( focusInEvent->win == handler->mImpl->mWindow )
756     {
757       DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT EcoreEventWindowFocusIn - >>WindowFocusGained \n" );
758
759       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
760       {
761         Dali::ImfManager imfManager( ImfManager::Get() );
762         if ( imfManager )
763         {
764           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
765           if( imfManagerImpl.RestoreAfterFocusLost() )
766           {
767             imfManagerImpl.Activate();
768           }
769         }
770       }
771       // No need to connect callbacks as KeyboardStatusChanged will be called.
772     }
773
774     return ECORE_CALLBACK_PASS_ON;
775   }
776
777   /**
778    * Called when the window loses focus.
779    */
780   static Eina_Bool EcoreEventWindowFocusOut( void* data, int type, void* event )
781   {
782     Ecore_X_Event_Window_Focus_Out* focusOutEvent( (Ecore_X_Event_Window_Focus_Out*)event );
783     EventHandler* handler( (EventHandler*)data );
784
785     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusOut \n" );
786
787     // If the window loses focus then hide the keyboard.
788     if ( focusOutEvent->win == handler->mImpl->mWindow )
789     {
790       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
791       {
792         Dali::ImfManager imfManager( ImfManager::Get() );
793         if ( imfManager )
794         {
795           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
796           if( imfManagerImpl.RestoreAfterFocusLost() )
797           {
798             imfManagerImpl.Deactivate();
799           }
800         }
801       }
802
803       // Clipboard don't support that whether clipboard is shown or not. Hide clipboard.
804       Dali::Clipboard clipboard = Clipboard::Get();
805       clipboard.HideClipboard();
806     }
807
808     return ECORE_CALLBACK_PASS_ON;
809   }
810
811   /**
812    * Called when the window is damaged.
813    */
814   static Eina_Bool EcoreEventWindowDamaged(void *data, int type, void *event)
815   {
816     Ecore_X_Event_Window_Damage* windowDamagedEvent( (Ecore_X_Event_Window_Damage*)event );
817     EventHandler* handler( (EventHandler*)data );
818
819     if( windowDamagedEvent->win == handler->mImpl->mWindow )
820     {
821       DamageArea area;
822       area.x = windowDamagedEvent->x;
823       area.y = windowDamagedEvent->y;
824       area.width = windowDamagedEvent->w;
825       area.height = windowDamagedEvent->h;
826
827       handler->SendEvent( area );
828     }
829
830     return ECORE_CALLBACK_PASS_ON;
831   }
832
833   /**
834    * Called when the window properties are changed.
835    * We are only interested in the font change.
836    */
837
838
839   /////////////////////////////////////////////////////////////////////////////////////////////////
840   // Drag & Drop Callbacks
841   /////////////////////////////////////////////////////////////////////////////////////////////////
842
843   /**
844    * Called when a dragged item enters our window's bounds.
845    * This is when items are dragged INTO our window.
846    */
847   static Eina_Bool EcoreEventDndEnter( void* data, int type, void* event )
848   {
849     DALI_LOG_INFO( gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndEnter\n" );
850
851     Ecore_X_Event_Xdnd_Enter* enterEvent( (Ecore_X_Event_Xdnd_Enter*) event );
852     EventHandler* handler( (EventHandler*)data );
853     Ecore_X_Window window ( handler->mImpl->mWindow );
854
855     if ( enterEvent->win == window )
856     {
857       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
858
859       // Check whether the Drag & Drop detector has Drag & Drop behaviour enabled before we accept.
860       if ( dndDetector && dndDetector->IsEnabled() )
861       {
862         // Tell Ecore that we want to enable drop in the entire window.
863         Ecore_X_Rectangle rect;
864         rect.x = rect.y = 0;
865         ecore_x_window_geometry_get( window, NULL, NULL, (int*)&rect.width, (int*)&rect.height );
866
867         // Tell Ecore that we are able to process a drop.
868         ecore_x_dnd_send_status( EINA_TRUE, EINA_FALSE, rect, ECORE_X_ATOM_XDND_DROP );
869
870         // Register the required atoms and types.
871         ecore_x_dnd_actions_set( window, DRAG_AND_DROP_ATOMS, DRAG_AND_DROP_ATOMS_NUMBER );
872         ecore_x_dnd_types_set(   window, DRAG_AND_DROP_TYPES, DRAG_AND_DROP_TYPES_NUMBER );
873
874         // Request to get the content from Ecore.
875         ecore_x_selection_xdnd_request( window, ECORE_X_SELECTION_TARGET_UTF8_STRING );
876
877         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndEnter: Requesting Drag & Drop\n" );
878
879         // Clear the previous content
880         dndDetector->ClearContent();
881
882         // Emit the entered signal
883         dndDetector->EmitEnteredSignal();
884       }
885     }
886
887     return ECORE_CALLBACK_PASS_ON;
888   }
889
890   /**
891    * Called when a dragged item is moved within our window.
892    * This is when items are dragged INTO our window.
893    */
894   static Eina_Bool EcoreEventDndPosition( void* data, int type, void* event )
895   {
896     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndPosition\n" );
897
898     Ecore_X_Event_Xdnd_Position* positionEvent( (Ecore_X_Event_Xdnd_Position*) event );
899     EventHandler* handler( (EventHandler*)data );
900
901     if ( positionEvent->win == handler->mImpl->mWindow )
902     {
903       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
904
905       // If we have a detector then update its latest position.
906       if ( dndDetector )
907       {
908         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndPosition: position ( %d x %d )\n", positionEvent->position.x, positionEvent->position.y );
909         dndDetector->SetPosition( Vector2( positionEvent->position.x, positionEvent->position.y ));
910         dndDetector->EmitMovedSignal();
911       }
912     }
913
914     return ECORE_CALLBACK_PASS_ON;
915   }
916
917   /**
918    * Called when a dragged item leaves our window's bounds.
919    * This is when items are dragged INTO our window.
920    */
921   static Eina_Bool EcoreEventDndLeave( void* data, int type, void* event )
922   {
923     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndLeave\n" );
924
925     Ecore_X_Event_Xdnd_Leave* leaveEvent( (Ecore_X_Event_Xdnd_Leave*) event );
926     EventHandler* handler( (EventHandler*)data );
927
928     if ( leaveEvent->win == handler->mImpl->mWindow )
929     {
930       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
931
932       // If we have a detector then clear its content and emit the exited-signal. Also tell Ecore that we have finished.
933       if ( dndDetector )
934       {
935         dndDetector->ClearContent();
936         dndDetector->EmitExitedSignal();
937
938         ecore_x_dnd_send_finished();
939
940         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndLeave: Finished\n" );
941       }
942     }
943
944     return ECORE_CALLBACK_PASS_ON;
945   }
946
947   /**
948    * Called when the dragged item is dropped within our window's bounds.
949    * This is when items are dragged INTO our window.
950    */
951   static Eina_Bool EcoreEventDndDrop( void* data, int type, void* event )
952   {
953     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndDrop\n" );
954
955     Ecore_X_Event_Xdnd_Drop* dropEvent ( (Ecore_X_Event_Xdnd_Drop*) event);
956     EventHandler* handler( (EventHandler*)data );
957
958     if ( dropEvent->win == handler->mImpl->mWindow )
959     {
960       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
961
962       // Something has been dropped, inform the detector (if we have one) and tell Ecore that we have finished.
963       if ( dndDetector )
964       {
965         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: position ( %d x %d )\n", dropEvent->position.x, dropEvent->position.y );
966
967         dndDetector->SetPosition( Vector2( dropEvent->position.x, dropEvent->position.y ) );
968         dndDetector->EmitDroppedSignal();
969         ecore_x_dnd_send_finished();
970
971         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: Finished\n" );
972       }
973     }
974
975     return ECORE_CALLBACK_PASS_ON;
976   }
977
978   /**
979    * Called when a dragged item is moved from our window and the target window has done processing it.
980    * This is when items are dragged FROM our window.
981    */
982   static Eina_Bool EcoreEventDndFinished( void* data, int type, void* event )
983   {
984     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndFinished\n" );
985     return ECORE_CALLBACK_PASS_ON;
986   }
987
988   /**
989    * Called when a dragged item is moved from our window and the target window has sent us a status.
990    * This is when items are dragged FROM our window.
991    */
992   static Eina_Bool EcoreEventDndStatus( void* data, int type, void* event )
993   {
994     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndStatus\n" );
995     return ECORE_CALLBACK_PASS_ON;
996   }
997
998   /**
999    * Called when the client messages (i.e. the accessibility events) are received.
1000    */
1001   static Eina_Bool EcoreEventClientMessage( void* data, int type, void* event )
1002   {
1003 #ifndef DALI_PROFILE_UBUNTU
1004     Ecore_X_Event_Client_Message* clientMessageEvent( (Ecore_X_Event_Client_Message*)event );
1005     EventHandler* handler( (EventHandler*)data );
1006
1007     if (clientMessageEvent->message_type == ECORE_X_ATOM_E_ILLUME_ACCESS_CONTROL)
1008     {
1009       if ( ( (unsigned int)clientMessageEvent->data.l[0] == handler->mImpl->mWindow ) && handler->mAccessibilityAdaptor )
1010       {
1011         AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1012
1013         if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_SCROLL)
1014         {
1015           // 2 finger touch & move, 2 finger flick
1016
1017           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1018           // x : e->data.l[3]
1019           // y : e->data.l[4]
1020           TouchPoint::State state(TouchPoint::Down);
1021
1022           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1023           {
1024             state = TouchPoint::Down; // mouse down
1025           }
1026           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1027           {
1028             state = TouchPoint::Motion; // mouse move
1029           }
1030           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1031           {
1032             state = TouchPoint::Up; // mouse up
1033           }
1034           else
1035           {
1036             state = TouchPoint::Interrupted; // error
1037           }
1038
1039           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1040             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1041             (unsigned int)clientMessageEvent->data.l[2],
1042             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1043
1044           // Send touch event to accessibility adaptor.
1045           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1046
1047           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1048           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1049         }
1050         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_MOUSE)
1051         {
1052           // 1 finger double tap and hold
1053
1054           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1055           // x : e->data.l[3]
1056           // y : e->data.l[4]
1057           TouchPoint::State state(TouchPoint::Down);
1058
1059           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1060           {
1061             state = TouchPoint::Down; // mouse down
1062           }
1063           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1064           {
1065             state = TouchPoint::Motion; // mouse move
1066           }
1067           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1068           {
1069             state = TouchPoint::Up; // mouse up
1070           }
1071           else
1072           {
1073             state = TouchPoint::Interrupted; // error
1074           }
1075
1076           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1077             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1078             (unsigned int)clientMessageEvent->data.l[2],
1079             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1080
1081           // Send touch event to accessibility adaptor.
1082           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1083
1084           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1085           accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1086         }
1087         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_BACK)
1088         {
1089           // 2 finger circle draw, do back
1090           accessibilityAdaptor->HandleActionBackEvent();
1091         }
1092         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_NEXT)
1093         {
1094           // one finger flick down
1095           // focus next object
1096           if(accessibilityAdaptor)
1097           {
1098             accessibilityAdaptor->HandleActionNextEvent();
1099           }
1100         }
1101         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_PREV)
1102         {
1103           // one finger flick up
1104           // focus previous object
1105           if(accessibilityAdaptor)
1106           {
1107             accessibilityAdaptor->HandleActionPreviousEvent();
1108           }
1109         }
1110         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ACTIVATE)
1111         {
1112           // one finger double tap
1113           // same as one finger tap in normal mode (i.e. execute focused actor)
1114           if(accessibilityAdaptor)
1115           {
1116             accessibilityAdaptor->HandleActionActivateEvent();
1117           }
1118         }
1119         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ)
1120         {
1121           // one finger tap
1122           // focus & read an actor at ( e->data.l[2], e->data.l[3] ) position according to finger
1123           if(accessibilityAdaptor)
1124           {
1125             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[2], (unsigned int)clientMessageEvent->data.l[3], true /* allow read again*/);
1126           }
1127         }
1128 #if defined(DALI_PROFILE_MOBILE)
1129         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_OVER)
1130         {
1131           // one finger tap & move
1132           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1133           // x : e->data.l[3]
1134           // y : e->data.l[4]
1135           // focus & read an actor at (x, y) position according to finger
1136           if(accessibilityAdaptor && (unsigned int)clientMessageEvent->data.l[2] == 1 /*only work for move event*/)
1137           {
1138             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4], false /* not allow read again*/);
1139           }
1140         }
1141 #endif
1142         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_NEXT)
1143         {
1144           // one finger flick right
1145           // focus next object
1146            if(accessibilityAdaptor)
1147           {
1148             accessibilityAdaptor->HandleActionReadNextEvent();
1149           }
1150         }
1151         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_PREV)
1152         {
1153           // one finger flick left
1154           // focus previous object
1155           if(accessibilityAdaptor)
1156           {
1157             accessibilityAdaptor->HandleActionReadPreviousEvent();
1158           }
1159         }
1160         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_UP)
1161         {
1162           // double down and move (right, up)
1163           // change slider value
1164           if(accessibilityAdaptor)
1165           {
1166             accessibilityAdaptor->HandleActionUpEvent();
1167           }
1168         }
1169         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DOWN)
1170         {
1171           // double down and move (left, down)
1172           // change slider value
1173           if(accessibilityAdaptor)
1174           {
1175             accessibilityAdaptor->HandleActionDownEvent();
1176           }
1177         }
1178         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ENABLE)
1179         {
1180            if(accessibilityAdaptor)
1181           {
1182             accessibilityAdaptor->HandleActionEnableEvent();
1183           }
1184         }
1185         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DISABLE)
1186         {
1187           if(accessibilityAdaptor)
1188           {
1189             accessibilityAdaptor->HandleActionDisableEvent();
1190           }
1191         }
1192         // TODO: some more actions could be added later
1193       }
1194     }
1195     else if(clientMessageEvent->message_type == ecore_x_atom_get(CLIPBOARD_ATOM))
1196     {
1197       std::string message(clientMessageEvent->data.b);
1198       if( message == CLIPBOARD_SET_OWNER_MESSAGE)
1199       {
1200         // Claim the ownership of the SECONDARY selection.
1201         ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1202
1203         // Show the clipboard window
1204         Dali::Clipboard clipboard = Dali::Clipboard::Get();
1205         clipboard.ShowClipboard();
1206       }
1207     }
1208     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_PREPARE )
1209     {
1210       RotationEvent rotationEvent;
1211       rotationEvent.angle      = static_cast<int>(clientMessageEvent->data.l[1]);
1212       rotationEvent.winResize  = static_cast<int>(clientMessageEvent->data.l[2]);
1213       rotationEvent.width      = static_cast<int>(clientMessageEvent->data.l[3]);
1214       rotationEvent.height     = static_cast<int>(clientMessageEvent->data.l[4]);
1215       handler->SendRotationPrepareEvent( rotationEvent );
1216     }
1217     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_REQUEST )
1218     {
1219       handler->SendRotationRequestEvent();
1220     }
1221
1222 #endif // DALI_PROFILE_UBUNTU
1223     return ECORE_CALLBACK_PASS_ON;
1224   }
1225
1226
1227   /////////////////////////////////////////////////////////////////////////////////////////////////
1228   // ElDBus Accessibility Callbacks
1229   /////////////////////////////////////////////////////////////////////////////////////////////////
1230
1231 #ifdef DALI_ELDBUS_AVAILABLE
1232   // Callback for Ecore ElDBus accessibility events.
1233   static void OnEcoreElDBusAccessibilityNotification( void *context EINA_UNUSED, const Eldbus_Message *message )
1234   {
1235     EventHandler* handler( (EventHandler*)context );
1236
1237     if ( !handler->mAccessibilityAdaptor )
1238     {
1239       DALI_LOG_ERROR( "Invalid accessibility adaptor\n" );
1240       return;
1241     }
1242
1243     AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1244     if ( !accessibilityAdaptor )
1245     {
1246       DALI_LOG_ERROR( "Cannot access accessibility adaptor\n" );
1247       return;
1248     }
1249
1250     const char *gestureName;
1251     int xS, yS, xE, yE;
1252     unsigned int state;
1253
1254     // The string defines the arg-list's respective types.
1255     if( !eldbus_message_arguments_get( message, "siiiiu", &gestureName, &xS, &yS, &xE, &yE, &state ) )
1256     {
1257       DALI_LOG_ERROR( "OnEcoreElDBusAccessibilityNotification: Error getting arguments\n" );
1258     }
1259
1260     DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Name: %s  Args: %d,%d,%d,%d  State: %d\n", gestureName, xS, yS, xE, yE );
1261
1262     unsigned int fingers = 0;
1263     char* stringPosition = ( char* )gestureName;
1264
1265     // Check how many fingers the gesture uses.
1266     for( unsigned int i = 0; i < FingerCountStringsTotal; ++i )
1267     {
1268       unsigned int matchLength = strlen( ElDBusAccessibilityFingerCountStrings[ i ] );
1269       if( strncmp( gestureName, ElDBusAccessibilityFingerCountStrings[ i ], matchLength ) == 0 )
1270       {
1271         fingers = i + 1;
1272         stringPosition += matchLength;
1273         break;
1274       }
1275     }
1276
1277     if( fingers == 0 )
1278     {
1279       // Error: invalid gesture.
1280       return;
1281     }
1282
1283     GestureType gestureType = GESTURE_TYPE_NONE;
1284     SubGestureType subGestureType = SUB_GESTURE_TYPE_NONE;
1285     GestureDirection direction = GESTURE_DIRECTION_NONE;
1286
1287     // Check for full gesture type names first.
1288     for( unsigned int i = 0; i < FullEventTypeStringsTotal; ++i )
1289     {
1290       unsigned int matchLength = strlen( ElDBusAccessibilityFullEventTypeStrings[ i ].name );
1291       if( strncmp( stringPosition, ElDBusAccessibilityFullEventTypeStrings[ i ].name, matchLength ) == 0 )
1292       {
1293         gestureType = ElDBusAccessibilityFullEventTypeStrings[ i ].type;
1294         break;
1295       }
1296     }
1297
1298     // If we didn't find a full gesture, check for sub gesture type names.
1299     if( gestureType == GESTURE_TYPE_NONE )
1300     {
1301       // No full gesture name found, look for partial types.
1302       for( unsigned int i = 0; i < DirectionalEventTypeStringsTotal; ++i )
1303       {
1304         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name );
1305         if( strncmp( stringPosition, ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name, matchLength ) == 0 )
1306         {
1307           subGestureType = ElDBusAccessibilityDirectionalEventTypeStrings[ i ].type;
1308           stringPosition += matchLength;
1309         break;
1310         }
1311       }
1312
1313       if( subGestureType == SUB_GESTURE_TYPE_NONE )
1314       {
1315         // ERROR: Gesture not recognised.
1316         return;
1317       }
1318
1319       // If the gesture was a sub type, get it's respective direction.
1320       for( unsigned int i = 0; i < DirectionStringsTotal; ++i )
1321       {
1322         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionStrings[ i ].name );
1323         if( strncmp( stringPosition, ElDBusAccessibilityDirectionStrings[ i ].name, matchLength ) == 0 )
1324         {
1325           direction = ElDBusAccessibilityDirectionStrings[ i ].direction;
1326           stringPosition += matchLength;
1327           break;
1328         }
1329       }
1330
1331       if( direction == GESTURE_DIRECTION_NONE )
1332       {
1333         // ERROR: Gesture not recognised.
1334         return;
1335       }
1336     }
1337
1338     // Action the detected gesture here.
1339     if( gestureType != GESTURE_TYPE_NONE )
1340     {
1341       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture type: %d\n", fingers, gestureType );
1342     }
1343     else
1344     {
1345       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture sub type: %d Gesture direction: %d\n",
1346         fingers, subGestureType, direction );
1347     }
1348
1349     // Create a touch point object.
1350     TouchPoint::State touchPointState( TouchPoint::Down );
1351     if ( state == 0 )
1352     {
1353       touchPointState = TouchPoint::Down; // Mouse down.
1354     }
1355     else if ( state == 1 )
1356     {
1357       touchPointState = TouchPoint::Motion; // Mouse move.
1358     }
1359     else if ( state == 2 )
1360     {
1361       touchPointState = TouchPoint::Up; // Mouse up.
1362     }
1363     else
1364     {
1365       touchPointState = TouchPoint::Interrupted; // Error.
1366     }
1367
1368     // Send touch event to accessibility adaptor.
1369     TouchPoint point( 0, touchPointState, (float)xS, (float)yS );
1370
1371     // Perform actions based on received gestures.
1372     // Note: This is seperated from the reading so we can (in future)
1373     // have other input readers without changing the below code.
1374     switch( fingers )
1375     {
1376       case 1:
1377       {
1378         if( gestureType == GESTURE_TYPE_SINGLE_TAP || ( gestureType == GESTURE_TYPE_HOVER && touchPointState == TouchPoint::Motion ) )
1379         {
1380           // Focus, read out.
1381           accessibilityAdaptor->HandleActionReadEvent( (unsigned int)xS, (unsigned int)yS, true /* allow read again */ );
1382         }
1383         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1384         {
1385           if( false ) // TODO: how to detect double tap + hold?
1386           {
1387             // Move or drag icon / view more options for selected items.
1388             // accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1389           }
1390           else
1391           {
1392             // Activate selected item / active edit mode.
1393             accessibilityAdaptor->HandleActionActivateEvent();
1394           }
1395         }
1396         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1397         {
1398           // Zoom
1399           accessibilityAdaptor->HandleActionZoomEvent();
1400         }
1401         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1402         {
1403           if( direction == GESTURE_DIRECTION_LEFT )
1404           {
1405             // Move to previous item.
1406             accessibilityAdaptor->HandleActionReadPreviousEvent();
1407           }
1408           else if( direction == GESTURE_DIRECTION_RIGHT )
1409           {
1410             // Move to next item.
1411             accessibilityAdaptor->HandleActionReadNextEvent();
1412           }
1413           else if( direction == GESTURE_DIRECTION_UP )
1414           {
1415             // Move to next item.
1416             accessibilityAdaptor->HandleActionPreviousEvent();
1417           }
1418           else if( direction == GESTURE_DIRECTION_DOWN )
1419           {
1420             // Move to next item.
1421             accessibilityAdaptor->HandleActionNextEvent();
1422           }
1423           else if( direction == GESTURE_DIRECTION_LEFT_RETURN )
1424           {
1425             // Scroll up to the previous page
1426             accessibilityAdaptor->HandleActionPageUpEvent();
1427           }
1428           else if( direction == GESTURE_DIRECTION_RIGHT_RETURN )
1429           {
1430             // Scroll down to the next page
1431             accessibilityAdaptor->HandleActionPageDownEvent();
1432           }
1433           else if( direction == GESTURE_DIRECTION_UP_RETURN )
1434           {
1435             // Move to the first item on screen
1436             accessibilityAdaptor->HandleActionMoveToFirstEvent();
1437           }
1438           else if( direction == GESTURE_DIRECTION_DOWN_RETURN )
1439           {
1440             // Move to the last item on screen
1441             accessibilityAdaptor->HandleActionMoveToLastEvent();
1442           }
1443         }
1444         break;
1445       }
1446
1447       case 2:
1448       {
1449         if( gestureType == GESTURE_TYPE_HOVER )
1450         {
1451           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1452           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1453         }
1454         else if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1455         {
1456           // Pause/Resume current speech
1457           accessibilityAdaptor->HandleActionReadPauseResumeEvent();
1458         }
1459         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1460         {
1461           // Start/Stop current action
1462           accessibilityAdaptor->HandleActionStartStopEvent();
1463         }
1464         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1465         {
1466           // Read information from indicator
1467           accessibilityAdaptor->HandleActionReadIndicatorInformationEvent();
1468         }
1469         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1470         {
1471           if( direction == GESTURE_DIRECTION_LEFT )
1472           {
1473             // Scroll left to the previous page
1474             accessibilityAdaptor->HandleActionPageLeftEvent();
1475           }
1476           else if( direction == GESTURE_DIRECTION_RIGHT )
1477           {
1478             // Scroll right to the next page
1479             accessibilityAdaptor->HandleActionPageRightEvent();
1480           }
1481           else if( direction == GESTURE_DIRECTION_UP )
1482           {
1483             // Scroll up the list.
1484             accessibilityAdaptor->HandleActionScrollUpEvent();
1485           }
1486           else if( direction == GESTURE_DIRECTION_DOWN )
1487           {
1488             // Scroll down the list.
1489             accessibilityAdaptor->HandleActionScrollDownEvent();
1490           }
1491         }
1492         break;
1493       }
1494
1495       case 3:
1496       {
1497         if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1498         {
1499           // Read from top item on screen continuously.
1500           accessibilityAdaptor->HandleActionReadFromTopEvent();
1501         }
1502         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1503         {
1504           // Read from next item continuously.
1505           accessibilityAdaptor->HandleActionReadFromNextEvent();
1506         }
1507         break;
1508       }
1509     }
1510   }
1511
1512   // Callback for to set up Ecore ElDBus for accessibility callbacks.
1513   static void EcoreElDBusInitialisation( void *handle, const Eldbus_Message *message, Eldbus_Pending *pending EINA_UNUSED )
1514   {
1515     Eldbus_Object *object;
1516     Eldbus_Proxy *manager;
1517     const char *a11yBusAddress = NULL;
1518
1519     // The string defines the arg-list's respective types.
1520     if( !eldbus_message_arguments_get( message, "s", &a11yBusAddress ) )
1521     {
1522       DALI_LOG_ERROR( "EcoreElDBusInitialisation: Error getting arguments\n" );
1523     }
1524
1525     DALI_LOG_INFO( gImfLogging, Debug::General, "Ecore ElDBus Accessibility address: %s\n", a11yBusAddress );
1526
1527     Eldbus_Connection *a11yConnection = eldbus_address_connection_get( a11yBusAddress );
1528
1529     object = eldbus_object_get( a11yConnection, BUS, PATH );
1530     manager = eldbus_proxy_get( object, INTERFACE );
1531
1532     // Pass the callback data through to the signal handler.
1533     eldbus_proxy_signal_handler_add( manager, SIGNAL, OnEcoreElDBusAccessibilityNotification, handle );
1534   }
1535 #endif // DALI_ELDBUS_AVAILABLE
1536
1537   /**
1538    * Called when the source window notifies us the content in clipboard is selected.
1539    */
1540   static Eina_Bool EcoreEventSelectionClear( void* data, int type, void* event )
1541   {
1542     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionClear\n" );
1543     Ecore_X_Event_Selection_Clear* selectionClearEvent( (Ecore_X_Event_Selection_Clear*) event );
1544     EventHandler* handler( (EventHandler*)data );
1545
1546     if ( selectionClearEvent->win == handler->mImpl->mWindow )
1547     {
1548       if ( selectionClearEvent->selection == ECORE_X_SELECTION_SECONDARY )
1549       {
1550         // Request to get the content from Ecore.
1551         ecore_x_selection_secondary_request(selectionClearEvent->win, ECORE_X_SELECTION_TARGET_TEXT);
1552       }
1553     }
1554     return ECORE_CALLBACK_PASS_ON;
1555   }
1556
1557   /**
1558    * Called when the source window sends us about the selected content.
1559    * For example, when dragged items are dragged INTO our window or when items are selected in the clipboard.
1560    */
1561   static Eina_Bool EcoreEventSelectionNotify( void* data, int type, void* event )
1562   {
1563     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionNotify\n" );
1564
1565     Ecore_X_Event_Selection_Notify* selectionNotifyEvent( (Ecore_X_Event_Selection_Notify*) event );
1566     EventHandler* handler( (EventHandler*)data );
1567
1568     if ( selectionNotifyEvent->win == handler->mImpl->mWindow )
1569     {
1570       Ecore_X_Selection_Data* selectionData( (Ecore_X_Selection_Data*) selectionNotifyEvent->data );
1571       if ( selectionData->data )
1572       {
1573         if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_XDND )
1574         {
1575           DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
1576
1577           // We have got the content that is to be dropped, inform the DndListener (if we have one).
1578           if ( dndDetector )
1579           {
1580             std::string content( (char*) selectionData->data, selectionData->length );
1581             dndDetector->SetContent( content );
1582
1583             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1584             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1585             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1586             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1587           }
1588         }
1589         else if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_SECONDARY )
1590         {
1591           // We have got the selected content, inform the clipboard event listener (if we have one).
1592           if ( handler->mClipboardEventNotifier )
1593           {
1594             ClipboardEventNotifier& clipboardEventNotifier( ClipboardEventNotifier::GetImplementation( handler->mClipboardEventNotifier ) );
1595             std::string content( (char*) selectionData->data, selectionData->length );
1596             clipboardEventNotifier.SetContent( content );
1597             clipboardEventNotifier.EmitContentSelectedSignal();
1598           }
1599
1600           // Claim the ownership of the SECONDARY selection.
1601           ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1602
1603           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1604           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1605           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1606           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1607         }
1608       }
1609     }
1610     return ECORE_CALLBACK_PASS_ON;
1611   }
1612
1613
1614 #ifndef DALI_PROFILE_UBUNTU
1615   /////////////////////////////////////////////////////////////////////////////////////////////////
1616   // Font Callbacks
1617   /////////////////////////////////////////////////////////////////////////////////////////////////
1618   /**
1619    * Called when a font name is changed.
1620    */
1621   static void VconfNotifyFontNameChanged( keynode_t* node, void* data )
1622   {
1623     EventHandler* handler = static_cast<EventHandler*>( data );
1624     handler->SendEvent( StyleChange::DEFAULT_FONT_CHANGE );
1625   }
1626
1627   /**
1628    * Called when a font size is changed.
1629    */
1630   static void VconfNotifyFontSizeChanged( keynode_t* node, void* data )
1631   {
1632     EventHandler* handler = static_cast<EventHandler*>( data );
1633     handler->SendEvent( StyleChange::DEFAULT_FONT_SIZE_CHANGE );
1634   }
1635 #endif // DALI_PROFILE_UBUNTU
1636
1637   // Data
1638   EventHandler* mHandler;
1639   std::vector<Ecore_Event_Handler*> mEcoreEventHandler;
1640   Ecore_X_Window mWindow;
1641   int mXiDeviceId;
1642 };
1643
1644 EventHandler::EventHandler( RenderSurface* surface, CoreEventInterface& coreEventInterface, GestureManager& gestureManager, DamageObserver& damageObserver, DragAndDropDetectorPtr dndDetector )
1645 : mCoreEventInterface(coreEventInterface),
1646   mGestureManager( gestureManager ),
1647   mStyleMonitor( StyleMonitor::Get() ),
1648   mDamageObserver( damageObserver ),
1649   mRotationObserver( NULL ),
1650   mDragAndDropDetector( dndDetector ),
1651   mAccessibilityAdaptor( AccessibilityAdaptor::Get() ),
1652   mClipboardEventNotifier( ClipboardEventNotifier::Get() ),
1653   mClipboard(Clipboard::Get()),
1654   mImpl( NULL )
1655 {
1656   Ecore_X_Window window = 0;
1657
1658   // this code only works with the EcoreX11 RenderSurface so need to downcast
1659   ECore::WindowRenderSurface* ecoreSurface = dynamic_cast< ECore::WindowRenderSurface* >( surface );
1660   if( ecoreSurface )
1661   {
1662     // enable multi touch
1663     window = ecoreSurface->GetXWindow();
1664   }
1665
1666   mImpl = new Impl(this, window);
1667 }
1668
1669 EventHandler::~EventHandler()
1670 {
1671   if(mImpl)
1672   {
1673     delete mImpl;
1674   }
1675
1676   mGestureManager.Stop();
1677 }
1678
1679 void EventHandler::SendEvent(TouchPoint& point, unsigned long timeStamp)
1680 {
1681   if(timeStamp < 1)
1682   {
1683     timeStamp = GetCurrentMilliSeconds();
1684   }
1685
1686   Integration::TouchEvent touchEvent;
1687   Integration::HoverEvent hoverEvent;
1688   Integration::TouchEventCombiner::EventDispatchType type = mCombiner.GetNextTouchEvent(point, timeStamp, touchEvent, hoverEvent);
1689   if(type != Integration::TouchEventCombiner::DispatchNone )
1690   {
1691     DALI_LOG_INFO(gTouchEventLogFilter, Debug::General, "%d: Device %d: Button state %d (%.2f, %.2f)\n", timeStamp, point.deviceId, point.state, point.local.x, point.local.y);
1692
1693     // First the touch and/or hover event & related gesture events are queued
1694     if(type == Integration::TouchEventCombiner::DispatchTouch || type == Integration::TouchEventCombiner::DispatchBoth)
1695     {
1696       mCoreEventInterface.QueueCoreEvent( touchEvent );
1697       mGestureManager.SendEvent(touchEvent);
1698     }
1699
1700     if(type == Integration::TouchEventCombiner::DispatchHover || type == Integration::TouchEventCombiner::DispatchBoth)
1701     {
1702       mCoreEventInterface.QueueCoreEvent( hoverEvent );
1703     }
1704
1705     // Next the events are processed with a single call into Core
1706     mCoreEventInterface.ProcessCoreEvents();
1707   }
1708 }
1709
1710 void EventHandler::SendEvent(KeyEvent& keyEvent)
1711 {
1712   Dali::PhysicalKeyboard physicalKeyboard = PhysicalKeyboard::Get();
1713   if ( physicalKeyboard )
1714   {
1715     if ( ! KeyLookup::IsDeviceButton( keyEvent.keyPressedName.c_str() ) )
1716     {
1717       GetImplementation( physicalKeyboard ).KeyReceived( keyEvent.time > 1 );
1718     }
1719   }
1720
1721   // Create KeyEvent and send to Core.
1722   Integration::KeyEvent event(keyEvent.keyPressedName, keyEvent.keyPressed, keyEvent.keyCode,
1723   keyEvent.keyModifier, keyEvent.time, static_cast<Integration::KeyEvent::State>(keyEvent.state));
1724   mCoreEventInterface.QueueCoreEvent( event );
1725   mCoreEventInterface.ProcessCoreEvents();
1726 }
1727
1728 void EventHandler::SendWheelEvent( WheelEvent& wheelEvent )
1729 {
1730   // Create WheelEvent and send to Core.
1731   Integration::WheelEvent event( static_cast< Integration::WheelEvent::Type >(wheelEvent.type), wheelEvent.direction, wheelEvent.modifiers, wheelEvent.point, wheelEvent.z, wheelEvent.timeStamp );
1732   mCoreEventInterface.QueueCoreEvent( event );
1733   mCoreEventInterface.ProcessCoreEvents();
1734 }
1735
1736 void EventHandler::SendEvent( StyleChange::Type styleChange )
1737 {
1738   DALI_ASSERT_DEBUG( mStyleMonitor && "StyleMonitor Not Available" );
1739   GetImplementation( mStyleMonitor ).StyleChanged(styleChange);
1740 }
1741
1742 void EventHandler::SendEvent( const DamageArea& area )
1743 {
1744   mDamageObserver.OnDamaged( area );
1745 }
1746
1747 void EventHandler::SendRotationPrepareEvent( const RotationEvent& event )
1748 {
1749   if( mRotationObserver != NULL )
1750   {
1751     mRotationObserver->OnRotationPrepare( event );
1752   }
1753 }
1754
1755 void EventHandler::SendRotationRequestEvent( )
1756 {
1757   if( mRotationObserver != NULL )
1758   {
1759     mRotationObserver->OnRotationRequest( );
1760   }
1761 }
1762
1763 void EventHandler::FeedTouchPoint( TouchPoint& point, int timeStamp)
1764 {
1765   SendEvent(point, timeStamp);
1766 }
1767
1768 void EventHandler::FeedWheelEvent( WheelEvent& wheelEvent )
1769 {
1770   SendWheelEvent( wheelEvent );
1771 }
1772
1773 void EventHandler::FeedKeyEvent( KeyEvent& event )
1774 {
1775   SendEvent( event );
1776 }
1777
1778 void EventHandler::FeedEvent( Integration::Event& event )
1779 {
1780   mCoreEventInterface.QueueCoreEvent( event );
1781   mCoreEventInterface.ProcessCoreEvents();
1782 }
1783
1784 void EventHandler::Reset()
1785 {
1786   mCombiner.Reset();
1787
1788   // Any touch listeners should be told of the interruption.
1789   Integration::TouchEvent event;
1790   TouchPoint point(0, TouchPoint::Interrupted, 0, 0);
1791   event.AddPoint( point );
1792
1793   // First the touch event & related gesture events are queued
1794   mCoreEventInterface.QueueCoreEvent( event );
1795   mGestureManager.SendEvent( event );
1796
1797   // Next the events are processed with a single call into Core
1798   mCoreEventInterface.ProcessCoreEvents();
1799 }
1800
1801 void EventHandler::SetDragAndDropDetector( DragAndDropDetectorPtr detector )
1802 {
1803   mDragAndDropDetector = detector;
1804 }
1805
1806 void EventHandler::SetRotationObserver( RotationObserver* observer )
1807 {
1808   mRotationObserver = observer;
1809 }
1810
1811 } // namespace Adaptor
1812
1813 } // namespace Internal
1814
1815 } // namespace Dali