ccb2e9b99525d819c8149e917bb60b6c59aaa864
[platform/core/uifw/dali-adaptor.git] / adaptors / x11 / ecore-x-event-handler.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 #ifdef DALI_ELDBUS_AVAILABLE
295   , mSessionConnection( NULL ),
296     mA11yConnection( NULL )
297 #endif
298   {
299     // Only register for touch and key events if we have a window
300     if ( window != 0 )
301     {
302       // Register Touch events
303       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_BUTTON_DOWN,  EcoreEventMouseButtonDown, handler ) );
304       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_BUTTON_UP,    EcoreEventMouseButtonUp,   handler ) );
305       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_MOVE,         EcoreEventMouseButtonMove, handler ) );
306       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_OUT,          EcoreEventMouseButtonUp,   handler ) ); // process mouse out event like up event
307
308       // Register Mouse wheel events
309       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_WHEEL,        EcoreEventMouseWheel,      handler ) );
310
311       // Register Key events
312       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_KEY_DOWN,           EcoreEventKeyDown,         handler ) );
313       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_KEY_UP,             EcoreEventKeyUp,           handler ) );
314
315       // Register Focus events
316       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_WINDOW_FOCUS_IN,  EcoreEventWindowFocusIn,   handler ) );
317       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_WINDOW_FOCUS_OUT, EcoreEventWindowFocusOut,  handler ) );
318
319       // Register Window damage events
320       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_WINDOW_DAMAGE,    EcoreEventWindowDamaged, handler ) );
321
322       // Enable Drag & Drop and register DnD events
323       ecore_x_dnd_aware_set( window, EINA_TRUE );
324       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_ENTER,       EcoreEventDndEnter,            handler) );
325       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_POSITION,    EcoreEventDndPosition,         handler) );
326       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_LEAVE,       EcoreEventDndLeave,            handler) );
327       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_DROP,        EcoreEventDndDrop,             handler) );
328       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_FINISHED,    EcoreEventDndFinished,         handler) );
329       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_STATUS,      EcoreEventDndStatus,           handler) );
330
331       // Register Client message events - accessibility etc.
332       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_CLIENT_MESSAGE,  EcoreEventClientMessage, handler ) );
333
334       // Register Selection event - clipboard selection, Drag & Drop selection etc.
335       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_SELECTION_CLEAR, EcoreEventSelectionClear, handler ) );
336       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_SELECTION_NOTIFY, EcoreEventSelectionNotify, handler ) );
337
338       // Initialize Xi2 system
339       Display* display = static_cast< Display* >(ecore_x_display_get());
340       Ecore_X_Window rootWindow = ecore_x_window_root_first_get();
341       int opcode = 0, event = 0, error = 0;
342       int major = XI_2_Major;
343       int minor = XI_2_Minor;
344       int deviceCount = 0;
345       XIEventMask xiEventMask;
346
347       // Check if X input extension available
348       if( XQueryExtension( display, "XInputExtension", &opcode, &event, &error ) )
349       {
350         // We support version 2.0
351         if( XIQueryVersion( display, &major, &minor ) != BadRequest )
352         {
353           xiEventMask.deviceid = XIAllDevices;
354
355           // Check device id
356           bool match = false;
357           XIDeviceInfo* deviceInfo = NULL;
358           deviceInfo = XIQueryDevice( display, XIAllDevices, &deviceCount );
359
360           for( int i = 0; i < deviceCount; i++ )
361           {
362             if( !strncmp( deviceInfo[i].name, DETENT_DEVICE_NAME, strlen( DETENT_DEVICE_NAME ) ) )
363             {
364               xiEventMask.deviceid = deviceInfo[i].deviceid;
365               match = true;
366               break;
367             }
368           }
369
370           if( match )
371           {
372             mXiDeviceId = xiEventMask.deviceid;
373
374             // SelectXi2Event
375             xiEventMask.mask = (unsigned char*)(calloc( 1, XIMaskLen( XI_LASTEVENT ) ) );
376             XISetMask( xiEventMask.mask, XI_RawMotion );
377
378             xiEventMask.mask_len = sizeof( xiEventMask.mask );
379
380             int ret = XISelectEvents( display, rootWindow, &xiEventMask, 1 );
381             if( ret == 0 )
382             {
383               // Register custom wheel events
384               mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_GENERIC, EcoreEventCustomWheel, handler ) );
385             }
386             else
387             {
388               DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to Select Events\n" );
389             }
390
391             free( xiEventMask.mask );
392           }
393
394           if( deviceInfo != NULL )
395           {
396             XIFreeDeviceInfo( deviceInfo );
397           }
398         }
399         else
400         {
401           DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to query XI Version\n" );
402         }
403       }
404       else
405       {
406         DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to query XInputExtension\n" );
407       }
408
409 #ifndef DALI_PROFILE_UBUNTU
410       // Register Vconf notify - font name, font size and style
411       vconf_notify_key_changed( DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME, VconfNotifyFontNameChanged, handler );
412       vconf_notify_key_changed( VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_SIZE, VconfNotifyFontSizeChanged, handler );
413 #endif // DALI_PROFILE_UBUNTU
414
415 #ifdef DALI_ELDBUS_AVAILABLE
416
417       // Initialize ElDBus.
418       DALI_LOG_INFO( gImfLogging, Debug::General, "Starting DBus Initialization" );
419       eldbus_init();
420
421       mSessionConnection = eldbus_connection_get( ELDBUS_CONNECTION_TYPE_SESSION );
422
423       Eldbus_Object *a11yObject = eldbus_object_get( mSessionConnection, A11Y_BUS, A11Y_PATH );
424       Eldbus_Proxy *elDBusManager = eldbus_proxy_get( a11yObject, A11Y_INTERFACE );
425
426       // Pass in handler in the cb_data field so we can access the accessibility adaptor within the callback.
427       eldbus_proxy_call( elDBusManager, A11Y_GET_ADDRESS, EcoreElDBusInitialisation, handler, -1, "" );
428
429       DALI_LOG_INFO( gImfLogging, Debug::General, "Finished DBus Initialization" );
430
431 #endif // DALI_ELDBUS_AVAILABLE
432     }
433   }
434
435   /**
436    * Destructor
437    */
438   ~Impl()
439   {
440 #ifndef DALI_PROFILE_UBUNTU
441     vconf_ignore_key_changed( VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_SIZE, VconfNotifyFontSizeChanged );
442     vconf_ignore_key_changed( DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME, VconfNotifyFontNameChanged );
443 #endif // DALI_PROFILE_UBUNTU
444
445     for( std::vector<Ecore_Event_Handler*>::iterator iter = mEcoreEventHandler.begin(), endIter = mEcoreEventHandler.end(); iter != endIter; ++iter )
446     {
447       ecore_event_handler_del( *iter );
448     }
449
450 #ifdef DALI_ELDBUS_AVAILABLE
451     // Close down ElDBus
452     if( mA11yConnection )
453     {
454       eldbus_connection_unref( mA11yConnection );
455     }
456
457     if( mSessionConnection )
458     {
459       eldbus_connection_unref( mSessionConnection );
460     }
461
462     eldbus_shutdown();
463 #endif // DALI_ELDBUS_AVAILABLE
464   }
465
466   // Static methods
467
468   /////////////////////////////////////////////////////////////////////////////////////////////////
469   // Touch Callbacks
470   /////////////////////////////////////////////////////////////////////////////////////////////////
471
472   /**
473    * Called when a touch down is received.
474    */
475   static Eina_Bool EcoreEventMouseButtonDown( void* data, int type, void* event )
476   {
477     Ecore_Event_Mouse_Button *touchEvent( (Ecore_Event_Mouse_Button*)event );
478     EventHandler* handler( (EventHandler*)data );
479
480     if ( touchEvent->window == handler->mImpl->mWindow )
481     {
482       TouchPoint::State state ( TouchPoint::Down );
483
484       // Check if the buttons field is set and ensure it's the primary touch button.
485       // If this event was triggered by buttons other than the primary button (used for touch), then
486       // just send an interrupted event to Core.
487       if ( touchEvent->buttons && (touchEvent->buttons != PRIMARY_TOUCH_BUTTON_ID ) )
488       {
489         state = TouchPoint::Interrupted;
490       }
491
492       TouchPoint point( touchEvent->multi.device, state, touchEvent->x, touchEvent->y );
493       handler->SendEvent( point, touchEvent->timestamp );
494     }
495
496     return ECORE_CALLBACK_PASS_ON;
497   }
498
499   /**
500    * Called when a touch up is received.
501    */
502   static Eina_Bool EcoreEventMouseButtonUp( void* data, int type, void* event )
503   {
504     Ecore_Event_Mouse_Button *touchEvent( (Ecore_Event_Mouse_Button*)event );
505     EventHandler* handler( (EventHandler*)data );
506
507     if ( touchEvent->window == handler->mImpl->mWindow )
508     {
509       TouchPoint point( touchEvent->multi.device, TouchPoint::Up, touchEvent->x, touchEvent->y );
510       handler->SendEvent( point, touchEvent->timestamp );
511     }
512
513     return ECORE_CALLBACK_PASS_ON;
514   }
515
516   /**
517    * Called when a touch motion is received.
518    */
519   static Eina_Bool EcoreEventMouseButtonMove( void* data, int type, void* event )
520   {
521     Ecore_Event_Mouse_Move *touchEvent( (Ecore_Event_Mouse_Move*)event );
522     EventHandler* handler( (EventHandler*)data );
523
524     if ( touchEvent->window == handler->mImpl->mWindow )
525     {
526       TouchPoint point( touchEvent->multi.device, TouchPoint::Motion, touchEvent->x, touchEvent->y );
527       handler->SendEvent( point, touchEvent->timestamp );
528     }
529
530     return ECORE_CALLBACK_PASS_ON;
531   }
532
533   /////////////////////////////////////////////////////////////////////////////////////////////////
534   // Wheel Callbacks
535   /////////////////////////////////////////////////////////////////////////////////////////////////
536
537   /**
538    * Called when a mouse wheel is received.
539    */
540   static Eina_Bool EcoreEventMouseWheel( void* data, int type, void* event )
541   {
542     Ecore_Event_Mouse_Wheel *mouseWheelEvent( (Ecore_Event_Mouse_Wheel*)event );
543
544     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 );
545
546     EventHandler* handler( (EventHandler*)data );
547     if ( mouseWheelEvent->window == handler->mImpl->mWindow )
548     {
549       WheelEvent wheelEvent( WheelEvent::MOUSE_WHEEL, mouseWheelEvent->direction, mouseWheelEvent->modifiers, Vector2(mouseWheelEvent->x, mouseWheelEvent->y), mouseWheelEvent->z, mouseWheelEvent->timestamp );
550       handler->SendWheelEvent( wheelEvent );
551     }
552     return ECORE_CALLBACK_PASS_ON;
553   }
554
555   /**
556    * Called when a custom wheel is received.
557    */
558   static Eina_Bool EcoreEventCustomWheel( void* data, int type, void* event )
559   {
560     Ecore_X_Event_Generic *genericEvent( (Ecore_X_Event_Generic*)event );
561     EventHandler* handler( (EventHandler*)data );
562
563     switch( genericEvent->evtype )
564     {
565       case XI_RawMotion:
566       {
567         XIRawEvent* xiRawEvent = static_cast< XIRawEvent* >( genericEvent->data );
568         unsigned int timeStamp = 0;
569
570         if( xiRawEvent->deviceid != handler->mImpl->mXiDeviceId )
571         {
572           return ECORE_CALLBACK_PASS_ON;
573         }
574
575         // X(0): rotate: NOT USED
576         // Y(1): timestamp
577         // Z(2): direction
578
579         double* value = xiRawEvent->raw_values;
580
581         if( XIMaskIsSet( xiRawEvent->valuators.mask, 1) )
582         {
583           timeStamp = static_cast< unsigned int >( *(value + 1) );
584         }
585
586         if( XIMaskIsSet( xiRawEvent->valuators.mask, 2) )
587         {
588           // if z == 1, clockwise
589           // otherwise counter-clockwise
590           int z = static_cast< int >( *(value + 2) );
591
592           // In DALi, positive value means clockwise, and negative value means counter-clockwise
593           if( z == 0 )
594           {
595             z = -1;
596           }
597
598           DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT EcoreEventCustomWheel: z: %d\n", z );
599
600           WheelEvent wheelEvent( WheelEvent::CUSTOM_WHEEL, 0, 0, Vector2(0.0f, 0.0f), z, timeStamp );
601           handler->SendWheelEvent( wheelEvent );
602         }
603         break;
604       }
605       default:
606       {
607         break;
608       }
609     }
610
611     return ECORE_CALLBACK_PASS_ON;
612   }
613
614   /////////////////////////////////////////////////////////////////////////////////////////////////
615   // Key Callbacks
616   /////////////////////////////////////////////////////////////////////////////////////////////////
617
618   /**
619    * Called when a key down is received.
620    */
621   static Eina_Bool EcoreEventKeyDown( void* data, int type, void* event )
622   {
623     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventKeyDown \n" );
624
625     EventHandler* handler( (EventHandler*)data );
626     Ecore_Event_Key *keyEvent( (Ecore_Event_Key*)event );
627     bool eventHandled( false );
628
629     // If a device key then skip ecore_imf_context_filter_event.
630     if ( ! KeyLookup::IsDeviceButton( keyEvent->keyname ) )
631     {
632       Ecore_IMF_Context* imfContext = NULL;
633       Dali::ImfManager imfManager( ImfManager::Get() );
634       if ( imfManager )
635       {
636         imfContext = reinterpret_cast<Ecore_IMF_Context*>( imfManager.GetContext() );
637       }
638
639       if ( imfContext )
640       {
641         // We're consuming key down event so we have to pass to IMF so that it can parse it as well.
642         Ecore_IMF_Event_Key_Down ecoreKeyDownEvent;
643         ecoreKeyDownEvent.keyname   = keyEvent->keyname;
644         ecoreKeyDownEvent.key       = keyEvent->key;
645         ecoreKeyDownEvent.string    = keyEvent->string;
646         ecoreKeyDownEvent.compose   = keyEvent->compose;
647         ecoreKeyDownEvent.timestamp = keyEvent->timestamp;
648         ecoreKeyDownEvent.modifiers = EcoreInputModifierToEcoreIMFModifier ( keyEvent->modifiers );
649         ecoreKeyDownEvent.locks     = (Ecore_IMF_Keyboard_Locks) ECORE_IMF_KEYBOARD_LOCK_NONE;
650
651         eventHandled = ecore_imf_context_filter_event( imfContext,
652                                                        ECORE_IMF_EVENT_KEY_DOWN,
653                                                        (Ecore_IMF_Event *) &ecoreKeyDownEvent );
654
655         // If the event has not been handled by IMF then check if we should reset our IMF context
656         if( !eventHandled )
657         {
658           if ( !strcmp( keyEvent->keyname, "Escape"   ) ||
659                !strcmp( keyEvent->keyname, "Return"   ) ||
660                !strcmp( keyEvent->keyname, "KP_Enter" ) )
661           {
662             ecore_imf_context_reset( imfContext );
663           }
664         }
665       }
666     }
667
668     // If the event wasn't handled then we should send a key event.
669     if ( !eventHandled )
670     {
671       if ( keyEvent->window == handler->mImpl->mWindow )
672       {
673         std::string keyName( keyEvent->keyname );
674         std::string keyString( "" );
675         int keyCode = ecore_x_keysym_keycode_get(keyEvent->keyname);
676         int modifier( keyEvent->modifiers );
677         unsigned long time = keyEvent->timestamp;
678
679         // Ensure key event string is not NULL as keys like SHIFT have a null string.
680         if ( keyEvent->string )
681         {
682           keyString = keyEvent->string;
683         }
684
685         KeyEvent keyEvent(keyName, keyString, keyCode, modifier, time, KeyEvent::Down);
686         handler->SendEvent( keyEvent );
687       }
688     }
689
690     return ECORE_CALLBACK_PASS_ON;
691   }
692
693   /**
694    * Called when a key up is received.
695    */
696   static Eina_Bool EcoreEventKeyUp( void* data, int type, void* event )
697   {
698     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventKeyUp \n" );
699
700     EventHandler* handler( (EventHandler*)data );
701     Ecore_Event_Key *keyEvent( (Ecore_Event_Key*)event );
702     bool eventHandled( false );
703
704     // Menu, home, back button must skip ecore_imf_context_filter_event.
705     static const char* menuKeyName = KeyLookup::GetKeyName( DALI_KEY_MENU );
706     static const char* homeKeyName = KeyLookup::GetKeyName( DALI_KEY_HOME );
707     static const char* backKeyName = KeyLookup::GetKeyName( DALI_KEY_BACK );
708     if ( ( menuKeyName && strcmp( keyEvent->keyname, menuKeyName ) != 0 ) &&
709          ( homeKeyName && strcmp( keyEvent->keyname, homeKeyName ) != 0 ) &&
710          ( backKeyName && strcmp( keyEvent->keyname, backKeyName ) != 0 ) )
711     {
712       Ecore_IMF_Context* imfContext = NULL;
713       Dali::ImfManager imfManager( ImfManager::Get() );
714       if ( imfManager )
715       {
716         imfContext = reinterpret_cast<Ecore_IMF_Context*>( imfManager.GetContext() );
717       }
718
719       if ( imfContext )
720       {
721         // We're consuming key up event so we have to pass to IMF so that it can parse it as well.
722         Ecore_IMF_Event_Key_Up ecoreKeyUpEvent;
723         ecoreKeyUpEvent.keyname   = keyEvent->keyname;
724         ecoreKeyUpEvent.key       = keyEvent->key;
725         ecoreKeyUpEvent.string    = keyEvent->string;
726         ecoreKeyUpEvent.compose   = keyEvent->compose;
727         ecoreKeyUpEvent.timestamp = keyEvent->timestamp;
728         ecoreKeyUpEvent.modifiers = EcoreInputModifierToEcoreIMFModifier ( keyEvent->modifiers );
729         ecoreKeyUpEvent.locks     = (Ecore_IMF_Keyboard_Locks) ECORE_IMF_KEYBOARD_LOCK_NONE;
730
731         eventHandled = ecore_imf_context_filter_event( imfContext,
732                                                        ECORE_IMF_EVENT_KEY_UP,
733                                                        (Ecore_IMF_Event *) &ecoreKeyUpEvent );
734       }
735     }
736
737     // If the event wasn't handled then we should send a key event.
738     if ( !eventHandled )
739     {
740       if ( keyEvent->window == handler->mImpl->mWindow )
741       {
742         std::string keyName( keyEvent->keyname );
743         std::string keyString( "" );
744         int keyCode = ecore_x_keysym_keycode_get(keyEvent->keyname);
745         int modifier( keyEvent->modifiers );
746         unsigned long time( keyEvent->timestamp );
747
748         // Ensure key event string is not NULL as keys like SHIFT have a null string.
749         if ( keyEvent->string )
750         {
751           keyString = keyEvent->string;
752         }
753
754         KeyEvent keyEvent(keyName, keyString, keyCode, modifier, time, KeyEvent::Up);
755         handler->SendEvent( keyEvent );
756
757       }
758     }
759
760     return ECORE_CALLBACK_PASS_ON;
761   }
762
763   /////////////////////////////////////////////////////////////////////////////////////////////////
764   // Window Callbacks
765   /////////////////////////////////////////////////////////////////////////////////////////////////
766
767   /**
768    * Called when the window gains focus.
769    */
770   static Eina_Bool EcoreEventWindowFocusIn( void* data, int type, void* event )
771   {
772     Ecore_X_Event_Window_Focus_In* focusInEvent( (Ecore_X_Event_Window_Focus_In*)event );
773     EventHandler* handler( (EventHandler*)data );
774
775     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusIn \n" );
776
777     // If the window gains focus and we hid the keyboard then show it again.
778     if ( focusInEvent->win == handler->mImpl->mWindow )
779     {
780       DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT EcoreEventWindowFocusIn - >>WindowFocusGained \n" );
781
782       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
783       {
784         Dali::ImfManager imfManager( ImfManager::Get() );
785         if ( imfManager )
786         {
787           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
788           if( imfManagerImpl.RestoreAfterFocusLost() )
789           {
790             imfManagerImpl.Activate();
791           }
792         }
793       }
794       // No need to connect callbacks as KeyboardStatusChanged will be called.
795     }
796
797     return ECORE_CALLBACK_PASS_ON;
798   }
799
800   /**
801    * Called when the window loses focus.
802    */
803   static Eina_Bool EcoreEventWindowFocusOut( void* data, int type, void* event )
804   {
805     Ecore_X_Event_Window_Focus_Out* focusOutEvent( (Ecore_X_Event_Window_Focus_Out*)event );
806     EventHandler* handler( (EventHandler*)data );
807
808     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusOut \n" );
809
810     // If the window loses focus then hide the keyboard.
811     if ( focusOutEvent->win == handler->mImpl->mWindow )
812     {
813       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
814       {
815         Dali::ImfManager imfManager( ImfManager::Get() );
816         if ( imfManager )
817         {
818           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
819           if( imfManagerImpl.RestoreAfterFocusLost() )
820           {
821             imfManagerImpl.Deactivate();
822           }
823         }
824       }
825
826       // Clipboard don't support that whether clipboard is shown or not. Hide clipboard.
827       Dali::Clipboard clipboard = Clipboard::Get();
828       clipboard.HideClipboard();
829     }
830
831     return ECORE_CALLBACK_PASS_ON;
832   }
833
834   /**
835    * Called when the window is damaged.
836    */
837   static Eina_Bool EcoreEventWindowDamaged(void *data, int type, void *event)
838   {
839     Ecore_X_Event_Window_Damage* windowDamagedEvent( (Ecore_X_Event_Window_Damage*)event );
840     EventHandler* handler( (EventHandler*)data );
841
842     if( windowDamagedEvent->win == handler->mImpl->mWindow )
843     {
844       DamageArea area;
845       area.x = windowDamagedEvent->x;
846       area.y = windowDamagedEvent->y;
847       area.width = windowDamagedEvent->w;
848       area.height = windowDamagedEvent->h;
849
850       handler->SendEvent( area );
851     }
852
853     return ECORE_CALLBACK_PASS_ON;
854   }
855
856   /**
857    * Called when the window properties are changed.
858    * We are only interested in the font change.
859    */
860
861
862   /////////////////////////////////////////////////////////////////////////////////////////////////
863   // Drag & Drop Callbacks
864   /////////////////////////////////////////////////////////////////////////////////////////////////
865
866   /**
867    * Called when a dragged item enters our window's bounds.
868    * This is when items are dragged INTO our window.
869    */
870   static Eina_Bool EcoreEventDndEnter( void* data, int type, void* event )
871   {
872     DALI_LOG_INFO( gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndEnter\n" );
873
874     Ecore_X_Event_Xdnd_Enter* enterEvent( (Ecore_X_Event_Xdnd_Enter*) event );
875     EventHandler* handler( (EventHandler*)data );
876     Ecore_X_Window window ( handler->mImpl->mWindow );
877
878     if ( enterEvent->win == window )
879     {
880       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
881
882       // Check whether the Drag & Drop detector has Drag & Drop behaviour enabled before we accept.
883       if ( dndDetector && dndDetector->IsEnabled() )
884       {
885         // Tell Ecore that we want to enable drop in the entire window.
886         Ecore_X_Rectangle rect;
887         rect.x = rect.y = 0;
888         ecore_x_window_geometry_get( window, NULL, NULL, (int*)&rect.width, (int*)&rect.height );
889
890         // Tell Ecore that we are able to process a drop.
891         ecore_x_dnd_send_status( EINA_TRUE, EINA_FALSE, rect, ECORE_X_ATOM_XDND_DROP );
892
893         // Register the required atoms and types.
894         ecore_x_dnd_actions_set( window, DRAG_AND_DROP_ATOMS, DRAG_AND_DROP_ATOMS_NUMBER );
895         ecore_x_dnd_types_set(   window, DRAG_AND_DROP_TYPES, DRAG_AND_DROP_TYPES_NUMBER );
896
897         // Request to get the content from Ecore.
898         ecore_x_selection_xdnd_request( window, ECORE_X_SELECTION_TARGET_UTF8_STRING );
899
900         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndEnter: Requesting Drag & Drop\n" );
901
902         // Clear the previous content
903         dndDetector->ClearContent();
904
905         // Emit the entered signal
906         dndDetector->EmitEnteredSignal();
907       }
908     }
909
910     return ECORE_CALLBACK_PASS_ON;
911   }
912
913   /**
914    * Called when a dragged item is moved within our window.
915    * This is when items are dragged INTO our window.
916    */
917   static Eina_Bool EcoreEventDndPosition( void* data, int type, void* event )
918   {
919     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndPosition\n" );
920
921     Ecore_X_Event_Xdnd_Position* positionEvent( (Ecore_X_Event_Xdnd_Position*) event );
922     EventHandler* handler( (EventHandler*)data );
923
924     if ( positionEvent->win == handler->mImpl->mWindow )
925     {
926       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
927
928       // If we have a detector then update its latest position.
929       if ( dndDetector )
930       {
931         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndPosition: position ( %d x %d )\n", positionEvent->position.x, positionEvent->position.y );
932         dndDetector->SetPosition( Vector2( positionEvent->position.x, positionEvent->position.y ));
933         dndDetector->EmitMovedSignal();
934       }
935     }
936
937     return ECORE_CALLBACK_PASS_ON;
938   }
939
940   /**
941    * Called when a dragged item leaves our window's bounds.
942    * This is when items are dragged INTO our window.
943    */
944   static Eina_Bool EcoreEventDndLeave( void* data, int type, void* event )
945   {
946     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndLeave\n" );
947
948     Ecore_X_Event_Xdnd_Leave* leaveEvent( (Ecore_X_Event_Xdnd_Leave*) event );
949     EventHandler* handler( (EventHandler*)data );
950
951     if ( leaveEvent->win == handler->mImpl->mWindow )
952     {
953       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
954
955       // If we have a detector then clear its content and emit the exited-signal. Also tell Ecore that we have finished.
956       if ( dndDetector )
957       {
958         dndDetector->ClearContent();
959         dndDetector->EmitExitedSignal();
960
961         ecore_x_dnd_send_finished();
962
963         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndLeave: Finished\n" );
964       }
965     }
966
967     return ECORE_CALLBACK_PASS_ON;
968   }
969
970   /**
971    * Called when the dragged item is dropped within our window's bounds.
972    * This is when items are dragged INTO our window.
973    */
974   static Eina_Bool EcoreEventDndDrop( void* data, int type, void* event )
975   {
976     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndDrop\n" );
977
978     Ecore_X_Event_Xdnd_Drop* dropEvent ( (Ecore_X_Event_Xdnd_Drop*) event);
979     EventHandler* handler( (EventHandler*)data );
980
981     if ( dropEvent->win == handler->mImpl->mWindow )
982     {
983       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
984
985       // Something has been dropped, inform the detector (if we have one) and tell Ecore that we have finished.
986       if ( dndDetector )
987       {
988         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: position ( %d x %d )\n", dropEvent->position.x, dropEvent->position.y );
989
990         dndDetector->SetPosition( Vector2( dropEvent->position.x, dropEvent->position.y ) );
991         dndDetector->EmitDroppedSignal();
992         ecore_x_dnd_send_finished();
993
994         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: Finished\n" );
995       }
996     }
997
998     return ECORE_CALLBACK_PASS_ON;
999   }
1000
1001   /**
1002    * Called when a dragged item is moved from our window and the target window has done processing it.
1003    * This is when items are dragged FROM our window.
1004    */
1005   static Eina_Bool EcoreEventDndFinished( void* data, int type, void* event )
1006   {
1007     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndFinished\n" );
1008     return ECORE_CALLBACK_PASS_ON;
1009   }
1010
1011   /**
1012    * Called when a dragged item is moved from our window and the target window has sent us a status.
1013    * This is when items are dragged FROM our window.
1014    */
1015   static Eina_Bool EcoreEventDndStatus( void* data, int type, void* event )
1016   {
1017     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndStatus\n" );
1018     return ECORE_CALLBACK_PASS_ON;
1019   }
1020
1021   /**
1022    * Called when the client messages (i.e. the accessibility events) are received.
1023    */
1024   static Eina_Bool EcoreEventClientMessage( void* data, int type, void* event )
1025   {
1026 #ifndef DALI_PROFILE_UBUNTU
1027     Ecore_X_Event_Client_Message* clientMessageEvent( (Ecore_X_Event_Client_Message*)event );
1028     EventHandler* handler( (EventHandler*)data );
1029
1030     if (clientMessageEvent->message_type == ECORE_X_ATOM_E_ILLUME_ACCESS_CONTROL)
1031     {
1032       if ( ( (unsigned int)clientMessageEvent->data.l[0] == handler->mImpl->mWindow ) && handler->mAccessibilityAdaptor )
1033       {
1034         AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1035
1036         if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_SCROLL)
1037         {
1038           // 2 finger touch & move, 2 finger flick
1039
1040           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1041           // x : e->data.l[3]
1042           // y : e->data.l[4]
1043           TouchPoint::State state(TouchPoint::Down);
1044
1045           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1046           {
1047             state = TouchPoint::Down; // mouse down
1048           }
1049           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1050           {
1051             state = TouchPoint::Motion; // mouse move
1052           }
1053           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1054           {
1055             state = TouchPoint::Up; // mouse up
1056           }
1057           else
1058           {
1059             state = TouchPoint::Interrupted; // error
1060           }
1061
1062           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1063             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1064             (unsigned int)clientMessageEvent->data.l[2],
1065             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1066
1067           // Send touch event to accessibility adaptor.
1068           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1069
1070           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1071           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1072         }
1073         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_MOUSE)
1074         {
1075           // 1 finger double tap and hold
1076
1077           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1078           // x : e->data.l[3]
1079           // y : e->data.l[4]
1080           TouchPoint::State state(TouchPoint::Down);
1081
1082           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1083           {
1084             state = TouchPoint::Down; // mouse down
1085           }
1086           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1087           {
1088             state = TouchPoint::Motion; // mouse move
1089           }
1090           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1091           {
1092             state = TouchPoint::Up; // mouse up
1093           }
1094           else
1095           {
1096             state = TouchPoint::Interrupted; // error
1097           }
1098
1099           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1100             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1101             (unsigned int)clientMessageEvent->data.l[2],
1102             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1103
1104           // Send touch event to accessibility adaptor.
1105           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1106
1107           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1108           accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1109         }
1110         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_BACK)
1111         {
1112           // 2 finger circle draw, do back
1113           accessibilityAdaptor->HandleActionBackEvent();
1114         }
1115         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_NEXT)
1116         {
1117           // one finger flick down
1118           // focus next object
1119           if(accessibilityAdaptor)
1120           {
1121             accessibilityAdaptor->HandleActionNextEvent();
1122           }
1123         }
1124         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_PREV)
1125         {
1126           // one finger flick up
1127           // focus previous object
1128           if(accessibilityAdaptor)
1129           {
1130             accessibilityAdaptor->HandleActionPreviousEvent();
1131           }
1132         }
1133         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ACTIVATE)
1134         {
1135           // one finger double tap
1136           // same as one finger tap in normal mode (i.e. execute focused actor)
1137           if(accessibilityAdaptor)
1138           {
1139             accessibilityAdaptor->HandleActionActivateEvent();
1140           }
1141         }
1142         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ)
1143         {
1144           // one finger tap
1145           // focus & read an actor at ( e->data.l[2], e->data.l[3] ) position according to finger
1146           if(accessibilityAdaptor)
1147           {
1148             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[2], (unsigned int)clientMessageEvent->data.l[3], true /* allow read again*/);
1149           }
1150         }
1151 #if defined(DALI_PROFILE_MOBILE)
1152         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_OVER)
1153         {
1154           // one finger tap & move
1155           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1156           // x : e->data.l[3]
1157           // y : e->data.l[4]
1158           // focus & read an actor at (x, y) position according to finger
1159           if(accessibilityAdaptor && (unsigned int)clientMessageEvent->data.l[2] == 1 /*only work for move event*/)
1160           {
1161             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4], false /* not allow read again*/);
1162           }
1163         }
1164 #endif
1165         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_NEXT)
1166         {
1167           // one finger flick right
1168           // focus next object
1169            if(accessibilityAdaptor)
1170           {
1171             accessibilityAdaptor->HandleActionReadNextEvent();
1172           }
1173         }
1174         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_PREV)
1175         {
1176           // one finger flick left
1177           // focus previous object
1178           if(accessibilityAdaptor)
1179           {
1180             accessibilityAdaptor->HandleActionReadPreviousEvent();
1181           }
1182         }
1183         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_UP)
1184         {
1185           // double down and move (right, up)
1186           // change slider value
1187           if(accessibilityAdaptor)
1188           {
1189             accessibilityAdaptor->HandleActionUpEvent();
1190           }
1191         }
1192         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DOWN)
1193         {
1194           // double down and move (left, down)
1195           // change slider value
1196           if(accessibilityAdaptor)
1197           {
1198             accessibilityAdaptor->HandleActionDownEvent();
1199           }
1200         }
1201         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ENABLE)
1202         {
1203            if(accessibilityAdaptor)
1204           {
1205             accessibilityAdaptor->HandleActionEnableEvent();
1206           }
1207         }
1208         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DISABLE)
1209         {
1210           if(accessibilityAdaptor)
1211           {
1212             accessibilityAdaptor->HandleActionDisableEvent();
1213           }
1214         }
1215         // TODO: some more actions could be added later
1216       }
1217     }
1218     else if(clientMessageEvent->message_type == ecore_x_atom_get(CLIPBOARD_ATOM))
1219     {
1220       std::string message(clientMessageEvent->data.b);
1221       if( message == CLIPBOARD_SET_OWNER_MESSAGE)
1222       {
1223         // Claim the ownership of the SECONDARY selection.
1224         ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1225
1226         // Show the clipboard window
1227         Dali::Clipboard clipboard = Dali::Clipboard::Get();
1228         clipboard.ShowClipboard();
1229       }
1230     }
1231     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_PREPARE )
1232     {
1233       RotationEvent rotationEvent;
1234       rotationEvent.angle      = static_cast<int>(clientMessageEvent->data.l[1]);
1235       rotationEvent.winResize  = static_cast<int>(clientMessageEvent->data.l[2]);
1236       rotationEvent.width      = static_cast<int>(clientMessageEvent->data.l[3]);
1237       rotationEvent.height     = static_cast<int>(clientMessageEvent->data.l[4]);
1238       handler->SendRotationPrepareEvent( rotationEvent );
1239     }
1240     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_REQUEST )
1241     {
1242       handler->SendRotationRequestEvent();
1243     }
1244
1245 #endif // DALI_PROFILE_UBUNTU
1246     return ECORE_CALLBACK_PASS_ON;
1247   }
1248
1249
1250   /////////////////////////////////////////////////////////////////////////////////////////////////
1251   // ElDBus Accessibility Callbacks
1252   /////////////////////////////////////////////////////////////////////////////////////////////////
1253
1254 #ifdef DALI_ELDBUS_AVAILABLE
1255   // Callback for Ecore ElDBus accessibility events.
1256   static void OnEcoreElDBusAccessibilityNotification( void *context EINA_UNUSED, const Eldbus_Message *message )
1257   {
1258     EventHandler* handler = static_cast< EventHandler* >( context );
1259     // Ignore any accessibility events when paused.
1260     if( handler->mPaused )
1261     {
1262       return;
1263     }
1264
1265     if ( !handler->mAccessibilityAdaptor )
1266     {
1267       DALI_LOG_ERROR( "Invalid accessibility adaptor\n" );
1268       return;
1269     }
1270
1271     AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1272     if ( !accessibilityAdaptor )
1273     {
1274       DALI_LOG_ERROR( "Cannot access accessibility adaptor\n" );
1275       return;
1276     }
1277
1278     const char *gestureName;
1279     int xS, yS, xE, yE;
1280     unsigned int state;
1281
1282     // The string defines the arg-list's respective types.
1283     if( !eldbus_message_arguments_get( message, "siiiiu", &gestureName, &xS, &yS, &xE, &yE, &state ) )
1284     {
1285       DALI_LOG_ERROR( "OnEcoreElDBusAccessibilityNotification: Error getting arguments\n" );
1286     }
1287
1288     DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Name: %s  Args: %d,%d,%d,%d  State: %d\n", gestureName, xS, yS, xE, yE );
1289
1290     unsigned int fingers = 0;
1291     char* stringPosition = ( char* )gestureName;
1292
1293     // Check how many fingers the gesture uses.
1294     for( unsigned int i = 0; i < FingerCountStringsTotal; ++i )
1295     {
1296       unsigned int matchLength = strlen( ElDBusAccessibilityFingerCountStrings[ i ] );
1297       if( strncmp( gestureName, ElDBusAccessibilityFingerCountStrings[ i ], matchLength ) == 0 )
1298       {
1299         fingers = i + 1;
1300         stringPosition += matchLength;
1301         break;
1302       }
1303     }
1304
1305     if( fingers == 0 )
1306     {
1307       // Error: invalid gesture.
1308       return;
1309     }
1310
1311     GestureType gestureType = GESTURE_TYPE_NONE;
1312     SubGestureType subGestureType = SUB_GESTURE_TYPE_NONE;
1313     GestureDirection direction = GESTURE_DIRECTION_NONE;
1314
1315     // Check for full gesture type names first.
1316     for( unsigned int i = 0; i < FullEventTypeStringsTotal; ++i )
1317     {
1318       unsigned int matchLength = strlen( ElDBusAccessibilityFullEventTypeStrings[ i ].name );
1319       if( strncmp( stringPosition, ElDBusAccessibilityFullEventTypeStrings[ i ].name, matchLength ) == 0 )
1320       {
1321         gestureType = ElDBusAccessibilityFullEventTypeStrings[ i ].type;
1322         break;
1323       }
1324     }
1325
1326     // If we didn't find a full gesture, check for sub gesture type names.
1327     if( gestureType == GESTURE_TYPE_NONE )
1328     {
1329       // No full gesture name found, look for partial types.
1330       for( unsigned int i = 0; i < DirectionalEventTypeStringsTotal; ++i )
1331       {
1332         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name );
1333         if( strncmp( stringPosition, ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name, matchLength ) == 0 )
1334         {
1335           subGestureType = ElDBusAccessibilityDirectionalEventTypeStrings[ i ].type;
1336           stringPosition += matchLength;
1337         break;
1338         }
1339       }
1340
1341       if( subGestureType == SUB_GESTURE_TYPE_NONE )
1342       {
1343         // ERROR: Gesture not recognised.
1344         return;
1345       }
1346
1347       // If the gesture was a sub type, get it's respective direction.
1348       for( unsigned int i = 0; i < DirectionStringsTotal; ++i )
1349       {
1350         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionStrings[ i ].name );
1351         if( strncmp( stringPosition, ElDBusAccessibilityDirectionStrings[ i ].name, matchLength ) == 0 )
1352         {
1353           direction = ElDBusAccessibilityDirectionStrings[ i ].direction;
1354           stringPosition += matchLength;
1355           break;
1356         }
1357       }
1358
1359       if( direction == GESTURE_DIRECTION_NONE )
1360       {
1361         // ERROR: Gesture not recognised.
1362         return;
1363       }
1364     }
1365
1366     // Action the detected gesture here.
1367     if( gestureType != GESTURE_TYPE_NONE )
1368     {
1369       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture type: %d\n", fingers, gestureType );
1370     }
1371     else
1372     {
1373       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture sub type: %d Gesture direction: %d\n",
1374         fingers, subGestureType, direction );
1375     }
1376
1377     // Create a touch point object.
1378     TouchPoint::State touchPointState( TouchPoint::Down );
1379     if ( state == 0 )
1380     {
1381       touchPointState = TouchPoint::Down; // Mouse down.
1382     }
1383     else if ( state == 1 )
1384     {
1385       touchPointState = TouchPoint::Motion; // Mouse move.
1386     }
1387     else if ( state == 2 )
1388     {
1389       touchPointState = TouchPoint::Up; // Mouse up.
1390     }
1391     else
1392     {
1393       touchPointState = TouchPoint::Interrupted; // Error.
1394     }
1395
1396     // Send touch event to accessibility adaptor.
1397     TouchPoint point( 0, touchPointState, (float)xS, (float)yS );
1398
1399     // Perform actions based on received gestures.
1400     // Note: This is seperated from the reading so we can (in future)
1401     // have other input readers without changing the below code.
1402     switch( fingers )
1403     {
1404       case 1:
1405       {
1406         if( gestureType == GESTURE_TYPE_SINGLE_TAP || ( gestureType == GESTURE_TYPE_HOVER && touchPointState == TouchPoint::Motion ) )
1407         {
1408           // Focus, read out.
1409           accessibilityAdaptor->HandleActionReadEvent( (unsigned int)xS, (unsigned int)yS, true /* allow read again */ );
1410         }
1411         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1412         {
1413           if( false ) // TODO: how to detect double tap + hold?
1414           {
1415             // Move or drag icon / view more options for selected items.
1416             // accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1417           }
1418           else
1419           {
1420             // Activate selected item / active edit mode.
1421             accessibilityAdaptor->HandleActionActivateEvent();
1422           }
1423         }
1424         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1425         {
1426           // Zoom
1427           accessibilityAdaptor->HandleActionZoomEvent();
1428         }
1429         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1430         {
1431           if( direction == GESTURE_DIRECTION_LEFT )
1432           {
1433             // Move to previous item.
1434             accessibilityAdaptor->HandleActionReadPreviousEvent();
1435           }
1436           else if( direction == GESTURE_DIRECTION_RIGHT )
1437           {
1438             // Move to next item.
1439             accessibilityAdaptor->HandleActionReadNextEvent();
1440           }
1441           else if( direction == GESTURE_DIRECTION_UP )
1442           {
1443             // Move to next item.
1444             accessibilityAdaptor->HandleActionPreviousEvent();
1445           }
1446           else if( direction == GESTURE_DIRECTION_DOWN )
1447           {
1448             // Move to next item.
1449             accessibilityAdaptor->HandleActionNextEvent();
1450           }
1451           else if( direction == GESTURE_DIRECTION_LEFT_RETURN )
1452           {
1453             // Scroll up to the previous page
1454             accessibilityAdaptor->HandleActionPageUpEvent();
1455           }
1456           else if( direction == GESTURE_DIRECTION_RIGHT_RETURN )
1457           {
1458             // Scroll down to the next page
1459             accessibilityAdaptor->HandleActionPageDownEvent();
1460           }
1461           else if( direction == GESTURE_DIRECTION_UP_RETURN )
1462           {
1463             // Move to the first item on screen
1464             accessibilityAdaptor->HandleActionMoveToFirstEvent();
1465           }
1466           else if( direction == GESTURE_DIRECTION_DOWN_RETURN )
1467           {
1468             // Move to the last item on screen
1469             accessibilityAdaptor->HandleActionMoveToLastEvent();
1470           }
1471         }
1472         break;
1473       }
1474
1475       case 2:
1476       {
1477         if( gestureType == GESTURE_TYPE_HOVER )
1478         {
1479           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1480           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1481         }
1482         else if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1483         {
1484           // Pause/Resume current speech
1485           accessibilityAdaptor->HandleActionReadPauseResumeEvent();
1486         }
1487         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1488         {
1489           // Start/Stop current action
1490           accessibilityAdaptor->HandleActionStartStopEvent();
1491         }
1492         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1493         {
1494           // Read information from indicator
1495           accessibilityAdaptor->HandleActionReadIndicatorInformationEvent();
1496         }
1497         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1498         {
1499           if( direction == GESTURE_DIRECTION_LEFT )
1500           {
1501             // Scroll left to the previous page
1502             accessibilityAdaptor->HandleActionPageLeftEvent();
1503           }
1504           else if( direction == GESTURE_DIRECTION_RIGHT )
1505           {
1506             // Scroll right to the next page
1507             accessibilityAdaptor->HandleActionPageRightEvent();
1508           }
1509           else if( direction == GESTURE_DIRECTION_UP )
1510           {
1511             // Scroll up the list.
1512             accessibilityAdaptor->HandleActionScrollUpEvent();
1513           }
1514           else if( direction == GESTURE_DIRECTION_DOWN )
1515           {
1516             // Scroll down the list.
1517             accessibilityAdaptor->HandleActionScrollDownEvent();
1518           }
1519         }
1520         break;
1521       }
1522
1523       case 3:
1524       {
1525         if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1526         {
1527           // Read from top item on screen continuously.
1528           accessibilityAdaptor->HandleActionReadFromTopEvent();
1529         }
1530         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1531         {
1532           // Read from next item continuously.
1533           accessibilityAdaptor->HandleActionReadFromNextEvent();
1534         }
1535         break;
1536       }
1537     }
1538   }
1539
1540   // Callback for to set up Ecore ElDBus for accessibility callbacks.
1541   static void EcoreElDBusInitialisation( void *handle, const Eldbus_Message *message, Eldbus_Pending *pending EINA_UNUSED )
1542   {
1543     Eldbus_Object *object;
1544     Eldbus_Proxy *manager;
1545     const char *a11yBusAddress = NULL;
1546     EventHandler* handler = static_cast< EventHandler* >( handle );
1547
1548     // The string defines the arg-list's respective types.
1549     if( !eldbus_message_arguments_get( message, "s", &a11yBusAddress ) )
1550     {
1551       DALI_LOG_ERROR( "EcoreElDBusInitialisation: Error getting arguments\n" );
1552     }
1553
1554     DALI_LOG_INFO( gImfLogging, Debug::General, "Ecore ElDBus Accessibility address: %s\n", a11yBusAddress );
1555
1556     handler->mImpl->mA11yConnection = eldbus_address_connection_get( a11yBusAddress );
1557
1558     object = eldbus_object_get( handler->mImpl->mA11yConnection, BUS, PATH );
1559     manager = eldbus_proxy_get( object, INTERFACE );
1560
1561     // Pass the callback data through to the signal handler.
1562     eldbus_proxy_signal_handler_add( manager, SIGNAL, OnEcoreElDBusAccessibilityNotification, handle );
1563   }
1564 #endif // DALI_ELDBUS_AVAILABLE
1565
1566   /**
1567    * Called when the source window notifies us the content in clipboard is selected.
1568    */
1569   static Eina_Bool EcoreEventSelectionClear( void* data, int type, void* event )
1570   {
1571     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionClear\n" );
1572     Ecore_X_Event_Selection_Clear* selectionClearEvent( (Ecore_X_Event_Selection_Clear*) event );
1573     EventHandler* handler( (EventHandler*)data );
1574
1575     if ( selectionClearEvent->win == handler->mImpl->mWindow )
1576     {
1577       if ( selectionClearEvent->selection == ECORE_X_SELECTION_SECONDARY )
1578       {
1579         // Request to get the content from Ecore.
1580         ecore_x_selection_secondary_request(selectionClearEvent->win, ECORE_X_SELECTION_TARGET_TEXT);
1581       }
1582     }
1583     return ECORE_CALLBACK_PASS_ON;
1584   }
1585
1586   /**
1587    * Called when the source window sends us about the selected content.
1588    * For example, when dragged items are dragged INTO our window or when items are selected in the clipboard.
1589    */
1590   static Eina_Bool EcoreEventSelectionNotify( void* data, int type, void* event )
1591   {
1592     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionNotify\n" );
1593
1594     Ecore_X_Event_Selection_Notify* selectionNotifyEvent( (Ecore_X_Event_Selection_Notify*) event );
1595     EventHandler* handler( (EventHandler*)data );
1596
1597     if ( selectionNotifyEvent->win == handler->mImpl->mWindow )
1598     {
1599       Ecore_X_Selection_Data* selectionData( (Ecore_X_Selection_Data*) selectionNotifyEvent->data );
1600       if ( selectionData->data )
1601       {
1602         if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_XDND )
1603         {
1604           DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
1605
1606           // We have got the content that is to be dropped, inform the DndListener (if we have one).
1607           if ( dndDetector )
1608           {
1609             std::string content( (char*) selectionData->data, selectionData->length );
1610             dndDetector->SetContent( content );
1611
1612             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1613             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1614             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1615             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1616           }
1617         }
1618         else if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_SECONDARY )
1619         {
1620           // We have got the selected content, inform the clipboard event listener (if we have one).
1621           if ( handler->mClipboardEventNotifier )
1622           {
1623             ClipboardEventNotifier& clipboardEventNotifier( ClipboardEventNotifier::GetImplementation( handler->mClipboardEventNotifier ) );
1624             std::string content( (char*) selectionData->data, selectionData->length );
1625             clipboardEventNotifier.SetContent( content );
1626             clipboardEventNotifier.EmitContentSelectedSignal();
1627           }
1628
1629           // Claim the ownership of the SECONDARY selection.
1630           ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1631
1632           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1633           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1634           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1635           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1636         }
1637       }
1638     }
1639     return ECORE_CALLBACK_PASS_ON;
1640   }
1641
1642
1643 #ifndef DALI_PROFILE_UBUNTU
1644   /////////////////////////////////////////////////////////////////////////////////////////////////
1645   // Font Callbacks
1646   /////////////////////////////////////////////////////////////////////////////////////////////////
1647   /**
1648    * Called when a font name is changed.
1649    */
1650   static void VconfNotifyFontNameChanged( keynode_t* node, void* data )
1651   {
1652     EventHandler* handler = static_cast<EventHandler*>( data );
1653     handler->SendEvent( StyleChange::DEFAULT_FONT_CHANGE );
1654   }
1655
1656   /**
1657    * Called when a font size is changed.
1658    */
1659   static void VconfNotifyFontSizeChanged( keynode_t* node, void* data )
1660   {
1661     EventHandler* handler = static_cast<EventHandler*>( data );
1662     handler->SendEvent( StyleChange::DEFAULT_FONT_SIZE_CHANGE );
1663   }
1664 #endif // DALI_PROFILE_UBUNTU
1665
1666   // Data
1667   EventHandler* mHandler;
1668   std::vector<Ecore_Event_Handler*> mEcoreEventHandler;
1669   Ecore_X_Window mWindow;
1670   int mXiDeviceId;
1671
1672 #ifdef DALI_ELDBUS_AVAILABLE
1673   Eldbus_Connection* mSessionConnection;
1674   Eldbus_Connection* mA11yConnection;
1675 #endif
1676 };
1677
1678 EventHandler::EventHandler( RenderSurface* surface, CoreEventInterface& coreEventInterface, GestureManager& gestureManager, DamageObserver& damageObserver, DragAndDropDetectorPtr dndDetector )
1679 : mCoreEventInterface( coreEventInterface ),
1680   mGestureManager( gestureManager ),
1681   mStyleMonitor( StyleMonitor::Get() ),
1682   mDamageObserver( damageObserver ),
1683   mRotationObserver( NULL ),
1684   mDragAndDropDetector( dndDetector ),
1685   mAccessibilityAdaptor( AccessibilityAdaptor::Get() ),
1686   mClipboardEventNotifier( ClipboardEventNotifier::Get() ),
1687   mClipboard( Clipboard::Get() ),
1688   mImpl( NULL ),
1689   mPaused( false )
1690 {
1691   Ecore_X_Window window = 0;
1692
1693   // this code only works with the EcoreX11 RenderSurface so need to downcast
1694   ECore::WindowRenderSurface* ecoreSurface = dynamic_cast< ECore::WindowRenderSurface* >( surface );
1695   if( ecoreSurface )
1696   {
1697     // enable multi touch
1698     window = ecoreSurface->GetXWindow();
1699   }
1700
1701   mImpl = new Impl(this, window);
1702 }
1703
1704 EventHandler::~EventHandler()
1705 {
1706   delete mImpl;
1707
1708   mGestureManager.Stop();
1709 }
1710
1711 void EventHandler::SendEvent(TouchPoint& point, unsigned long timeStamp)
1712 {
1713   if(timeStamp < 1)
1714   {
1715     timeStamp = GetCurrentMilliSeconds();
1716   }
1717
1718   Integration::TouchEvent touchEvent;
1719   Integration::HoverEvent hoverEvent;
1720   Integration::TouchEventCombiner::EventDispatchType type = mCombiner.GetNextTouchEvent(point, timeStamp, touchEvent, hoverEvent);
1721   if(type != Integration::TouchEventCombiner::DispatchNone )
1722   {
1723     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);
1724
1725     // First the touch and/or hover event & related gesture events are queued
1726     if(type == Integration::TouchEventCombiner::DispatchTouch || type == Integration::TouchEventCombiner::DispatchBoth)
1727     {
1728       mCoreEventInterface.QueueCoreEvent( touchEvent );
1729       mGestureManager.SendEvent(touchEvent);
1730     }
1731
1732     if(type == Integration::TouchEventCombiner::DispatchHover || type == Integration::TouchEventCombiner::DispatchBoth)
1733     {
1734       mCoreEventInterface.QueueCoreEvent( hoverEvent );
1735     }
1736
1737     // Next the events are processed with a single call into Core
1738     mCoreEventInterface.ProcessCoreEvents();
1739   }
1740 }
1741
1742 void EventHandler::SendEvent(KeyEvent& keyEvent)
1743 {
1744   Dali::PhysicalKeyboard physicalKeyboard = PhysicalKeyboard::Get();
1745   if ( physicalKeyboard )
1746   {
1747     if ( ! KeyLookup::IsDeviceButton( keyEvent.keyPressedName.c_str() ) )
1748     {
1749       GetImplementation( physicalKeyboard ).KeyReceived( keyEvent.time > 1 );
1750     }
1751   }
1752
1753   // Create KeyEvent and send to Core.
1754   Integration::KeyEvent event(keyEvent.keyPressedName, keyEvent.keyPressed, keyEvent.keyCode,
1755   keyEvent.keyModifier, keyEvent.time, static_cast<Integration::KeyEvent::State>(keyEvent.state));
1756   mCoreEventInterface.QueueCoreEvent( event );
1757   mCoreEventInterface.ProcessCoreEvents();
1758 }
1759
1760 void EventHandler::SendWheelEvent( WheelEvent& wheelEvent )
1761 {
1762   // Create WheelEvent and send to Core.
1763   Integration::WheelEvent event( static_cast< Integration::WheelEvent::Type >(wheelEvent.type), wheelEvent.direction, wheelEvent.modifiers, wheelEvent.point, wheelEvent.z, wheelEvent.timeStamp );
1764   mCoreEventInterface.QueueCoreEvent( event );
1765   mCoreEventInterface.ProcessCoreEvents();
1766 }
1767
1768 void EventHandler::SendEvent( StyleChange::Type styleChange )
1769 {
1770   DALI_ASSERT_DEBUG( mStyleMonitor && "StyleMonitor Not Available" );
1771   GetImplementation( mStyleMonitor ).StyleChanged(styleChange);
1772 }
1773
1774 void EventHandler::SendEvent( const DamageArea& area )
1775 {
1776   mDamageObserver.OnDamaged( area );
1777 }
1778
1779 void EventHandler::SendRotationPrepareEvent( const RotationEvent& event )
1780 {
1781   if( mRotationObserver != NULL )
1782   {
1783     mRotationObserver->OnRotationPrepare( event );
1784   }
1785 }
1786
1787 void EventHandler::SendRotationRequestEvent( )
1788 {
1789   if( mRotationObserver != NULL )
1790   {
1791     mRotationObserver->OnRotationRequest( );
1792   }
1793 }
1794
1795 void EventHandler::FeedTouchPoint( TouchPoint& point, int timeStamp)
1796 {
1797   SendEvent(point, timeStamp);
1798 }
1799
1800 void EventHandler::FeedWheelEvent( WheelEvent& wheelEvent )
1801 {
1802   SendWheelEvent( wheelEvent );
1803 }
1804
1805 void EventHandler::FeedKeyEvent( KeyEvent& event )
1806 {
1807   SendEvent( event );
1808 }
1809
1810 void EventHandler::FeedEvent( Integration::Event& event )
1811 {
1812   mCoreEventInterface.QueueCoreEvent( event );
1813   mCoreEventInterface.ProcessCoreEvents();
1814 }
1815
1816 void EventHandler::Reset()
1817 {
1818   mCombiner.Reset();
1819
1820   // Any touch listeners should be told of the interruption.
1821   Integration::TouchEvent event;
1822   TouchPoint point(0, TouchPoint::Interrupted, 0, 0);
1823   event.AddPoint( point );
1824
1825   // First the touch event & related gesture events are queued
1826   mCoreEventInterface.QueueCoreEvent( event );
1827   mGestureManager.SendEvent( event );
1828
1829   // Next the events are processed with a single call into Core
1830   mCoreEventInterface.ProcessCoreEvents();
1831 }
1832
1833 void EventHandler::Pause()
1834 {
1835   mPaused = true;
1836   Reset();
1837 }
1838
1839 void EventHandler::Resume()
1840 {
1841   mPaused = false;
1842   Reset();
1843 }
1844
1845 void EventHandler::SetDragAndDropDetector( DragAndDropDetectorPtr detector )
1846 {
1847   mDragAndDropDetector = detector;
1848 }
1849
1850 void EventHandler::SetRotationObserver( RotationObserver* observer )
1851 {
1852   mRotationObserver = observer;
1853 }
1854
1855 } // namespace Adaptor
1856
1857 } // namespace Internal
1858
1859 } // namespace Dali