EventHandlers use IsDeviceButton for filtering Keyevents to IMF
[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             Dali::Vector< unsigned char > mask;
376             std::size_t xiMaskLen = XIMaskLen( XI_LASTEVENT );
377             mask.Reserve( xiMaskLen );
378             xiEventMask.mask = mask.Begin();
379
380             XISetMask( xiEventMask.mask, XI_RawMotion );
381
382             xiEventMask.mask_len = xiMaskLen * sizeof( unsigned char );
383
384             int ret = XISelectEvents( display, rootWindow, &xiEventMask, 1 );
385             if( ret == 0 )
386             {
387               // Register custom wheel events
388               mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_GENERIC, EcoreEventCustomWheel, handler ) );
389             }
390             else
391             {
392               DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to Select Events\n" );
393             }
394           }
395
396           if( deviceInfo != NULL )
397           {
398             XIFreeDeviceInfo( deviceInfo );
399           }
400         }
401         else
402         {
403           DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to query XI Version\n" );
404         }
405       }
406       else
407       {
408         DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to query XInputExtension\n" );
409       }
410
411 #ifndef DALI_PROFILE_UBUNTU
412       // Register Vconf notify - font name, font size and style
413       vconf_notify_key_changed( DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME, VconfNotifyFontNameChanged, handler );
414       vconf_notify_key_changed( VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_SIZE, VconfNotifyFontSizeChanged, handler );
415 #endif // DALI_PROFILE_UBUNTU
416
417 #ifdef DALI_ELDBUS_AVAILABLE
418
419       // Initialize ElDBus.
420       DALI_LOG_INFO( gImfLogging, Debug::General, "Starting DBus Initialization" );
421       eldbus_init();
422
423       mSessionConnection = eldbus_connection_get( ELDBUS_CONNECTION_TYPE_SESSION );
424
425       Eldbus_Object *a11yObject = eldbus_object_get( mSessionConnection, A11Y_BUS, A11Y_PATH );
426       Eldbus_Proxy *elDBusManager = eldbus_proxy_get( a11yObject, A11Y_INTERFACE );
427
428       // Pass in handler in the cb_data field so we can access the accessibility adaptor within the callback.
429       eldbus_proxy_call( elDBusManager, A11Y_GET_ADDRESS, EcoreElDBusInitialisation, handler, -1, "" );
430
431       DALI_LOG_INFO( gImfLogging, Debug::General, "Finished DBus Initialization" );
432
433 #endif // DALI_ELDBUS_AVAILABLE
434     }
435   }
436
437   /**
438    * Destructor
439    */
440   ~Impl()
441   {
442 #ifndef DALI_PROFILE_UBUNTU
443     vconf_ignore_key_changed( VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_SIZE, VconfNotifyFontSizeChanged );
444     vconf_ignore_key_changed( DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME, VconfNotifyFontNameChanged );
445 #endif // DALI_PROFILE_UBUNTU
446
447     for( std::vector<Ecore_Event_Handler*>::iterator iter = mEcoreEventHandler.begin(), endIter = mEcoreEventHandler.end(); iter != endIter; ++iter )
448     {
449       ecore_event_handler_del( *iter );
450     }
451
452 #ifdef DALI_ELDBUS_AVAILABLE
453     // Close down ElDBus
454     if( mA11yConnection )
455     {
456       eldbus_connection_unref( mA11yConnection );
457     }
458
459     if( mSessionConnection )
460     {
461       eldbus_connection_unref( mSessionConnection );
462     }
463
464     eldbus_shutdown();
465 #endif // DALI_ELDBUS_AVAILABLE
466   }
467
468   // Static methods
469
470   /////////////////////////////////////////////////////////////////////////////////////////////////
471   // Touch Callbacks
472   /////////////////////////////////////////////////////////////////////////////////////////////////
473
474   /**
475    * Called when a touch down is received.
476    */
477   static Eina_Bool EcoreEventMouseButtonDown( void* data, int type, void* event )
478   {
479     Ecore_Event_Mouse_Button *touchEvent( (Ecore_Event_Mouse_Button*)event );
480     EventHandler* handler( (EventHandler*)data );
481
482     if ( touchEvent->window == handler->mImpl->mWindow )
483     {
484       TouchPoint::State state ( TouchPoint::Down );
485
486       // Check if the buttons field is set and ensure it's the primary touch button.
487       // If this event was triggered by buttons other than the primary button (used for touch), then
488       // just send an interrupted event to Core.
489       if ( touchEvent->buttons && (touchEvent->buttons != PRIMARY_TOUCH_BUTTON_ID ) )
490       {
491         state = TouchPoint::Interrupted;
492       }
493
494       TouchPoint point( touchEvent->multi.device, state, touchEvent->x, touchEvent->y );
495       handler->SendEvent( point, touchEvent->timestamp );
496     }
497
498     return ECORE_CALLBACK_PASS_ON;
499   }
500
501   /**
502    * Called when a touch up is received.
503    */
504   static Eina_Bool EcoreEventMouseButtonUp( void* data, int type, void* event )
505   {
506     Ecore_Event_Mouse_Button *touchEvent( (Ecore_Event_Mouse_Button*)event );
507     EventHandler* handler( (EventHandler*)data );
508
509     if ( touchEvent->window == handler->mImpl->mWindow )
510     {
511       TouchPoint point( touchEvent->multi.device, TouchPoint::Up, touchEvent->x, touchEvent->y );
512       handler->SendEvent( point, touchEvent->timestamp );
513     }
514
515     return ECORE_CALLBACK_PASS_ON;
516   }
517
518   /**
519    * Called when a touch motion is received.
520    */
521   static Eina_Bool EcoreEventMouseButtonMove( void* data, int type, void* event )
522   {
523     Ecore_Event_Mouse_Move *touchEvent( (Ecore_Event_Mouse_Move*)event );
524     EventHandler* handler( (EventHandler*)data );
525
526     if ( touchEvent->window == handler->mImpl->mWindow )
527     {
528       TouchPoint point( touchEvent->multi.device, TouchPoint::Motion, touchEvent->x, touchEvent->y );
529       handler->SendEvent( point, touchEvent->timestamp );
530     }
531
532     return ECORE_CALLBACK_PASS_ON;
533   }
534
535   /////////////////////////////////////////////////////////////////////////////////////////////////
536   // Wheel Callbacks
537   /////////////////////////////////////////////////////////////////////////////////////////////////
538
539   /**
540    * Called when a mouse wheel is received.
541    */
542   static Eina_Bool EcoreEventMouseWheel( void* data, int type, void* event )
543   {
544     Ecore_Event_Mouse_Wheel *mouseWheelEvent( (Ecore_Event_Mouse_Wheel*)event );
545
546     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 );
547
548     EventHandler* handler( (EventHandler*)data );
549     if ( mouseWheelEvent->window == handler->mImpl->mWindow )
550     {
551       WheelEvent wheelEvent( WheelEvent::MOUSE_WHEEL, mouseWheelEvent->direction, mouseWheelEvent->modifiers, Vector2(mouseWheelEvent->x, mouseWheelEvent->y), mouseWheelEvent->z, mouseWheelEvent->timestamp );
552       handler->SendWheelEvent( wheelEvent );
553     }
554     return ECORE_CALLBACK_PASS_ON;
555   }
556
557   /**
558    * Called when a custom wheel is received.
559    */
560   static Eina_Bool EcoreEventCustomWheel( void* data, int type, void* event )
561   {
562     Ecore_X_Event_Generic *genericEvent( (Ecore_X_Event_Generic*)event );
563     EventHandler* handler( (EventHandler*)data );
564
565     switch( genericEvent->evtype )
566     {
567       case XI_RawMotion:
568       {
569         XIRawEvent* xiRawEvent = static_cast< XIRawEvent* >( genericEvent->data );
570         unsigned int timeStamp = 0;
571
572         if( xiRawEvent->deviceid != handler->mImpl->mXiDeviceId )
573         {
574           return ECORE_CALLBACK_PASS_ON;
575         }
576
577         // X(0): rotate: NOT USED
578         // Y(1): timestamp
579         // Z(2): direction
580
581         double* value = xiRawEvent->raw_values;
582
583         if( XIMaskIsSet( xiRawEvent->valuators.mask, 1) )
584         {
585           timeStamp = static_cast< unsigned int >( *(value + 1) );
586         }
587
588         if( XIMaskIsSet( xiRawEvent->valuators.mask, 2) )
589         {
590           // if z == 1, clockwise
591           // otherwise counter-clockwise
592           int z = static_cast< int >( *(value + 2) );
593
594           // In DALi, positive value means clockwise, and negative value means counter-clockwise
595           if( z == 0 )
596           {
597             z = -1;
598           }
599
600           DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT EcoreEventCustomWheel: z: %d\n", z );
601
602           WheelEvent wheelEvent( WheelEvent::CUSTOM_WHEEL, 0, 0, Vector2(0.0f, 0.0f), z, timeStamp );
603           handler->SendWheelEvent( wheelEvent );
604         }
605         break;
606       }
607       default:
608       {
609         break;
610       }
611     }
612
613     return ECORE_CALLBACK_PASS_ON;
614   }
615
616   /////////////////////////////////////////////////////////////////////////////////////////////////
617   // Key Callbacks
618   /////////////////////////////////////////////////////////////////////////////////////////////////
619
620   /**
621    * Called when a key down is received.
622    */
623   static Eina_Bool EcoreEventKeyDown( void* data, int type, void* event )
624   {
625     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventKeyDown \n" );
626
627     EventHandler* handler( (EventHandler*)data );
628     Ecore_Event_Key *keyEvent( (Ecore_Event_Key*)event );
629     bool eventHandled( false );
630
631     // If a device key then skip ecore_imf_context_filter_event.
632     if ( ! KeyLookup::IsDeviceButton( keyEvent->keyname ) )
633     {
634       Ecore_IMF_Context* imfContext = NULL;
635       Dali::ImfManager imfManager( ImfManager::Get() );
636       if ( imfManager )
637       {
638         imfContext = ImfManager::GetImplementation( imfManager ).GetContext();
639       }
640
641       if ( imfContext )
642       {
643         // We're consuming key down event so we have to pass to IMF so that it can parse it as well.
644         Ecore_IMF_Event_Key_Down ecoreKeyDownEvent;
645         ecoreKeyDownEvent.keyname   = keyEvent->keyname;
646         ecoreKeyDownEvent.key       = keyEvent->key;
647         ecoreKeyDownEvent.string    = keyEvent->string;
648         ecoreKeyDownEvent.compose   = keyEvent->compose;
649         ecoreKeyDownEvent.timestamp = keyEvent->timestamp;
650         ecoreKeyDownEvent.modifiers = EcoreInputModifierToEcoreIMFModifier ( keyEvent->modifiers );
651         ecoreKeyDownEvent.locks     = (Ecore_IMF_Keyboard_Locks) ECORE_IMF_KEYBOARD_LOCK_NONE;
652 #ifdef ECORE_IMF_1_13
653         ecoreKeyDownEvent.dev_name  = "";
654 #endif // ECORE_IMF_1_13
655
656         eventHandled = ecore_imf_context_filter_event( imfContext,
657                                                        ECORE_IMF_EVENT_KEY_DOWN,
658                                                        (Ecore_IMF_Event *) &ecoreKeyDownEvent );
659
660         // If the event has not been handled by IMF then check if we should reset our IMF context
661         if( !eventHandled )
662         {
663           if ( !strcmp( keyEvent->keyname, "Escape"   ) ||
664                !strcmp( keyEvent->keyname, "Return"   ) ||
665                !strcmp( keyEvent->keyname, "KP_Enter" ) )
666           {
667             ecore_imf_context_reset( imfContext );
668           }
669         }
670       }
671     }
672
673     // If the event wasn't handled then we should send a key event.
674     if ( !eventHandled )
675     {
676       if ( keyEvent->window == handler->mImpl->mWindow )
677       {
678         std::string keyName( keyEvent->keyname );
679         std::string keyString( "" );
680         int keyCode = ecore_x_keysym_keycode_get(keyEvent->keyname);
681         int modifier( keyEvent->modifiers );
682         unsigned long time = keyEvent->timestamp;
683
684         // Ensure key event string is not NULL as keys like SHIFT have a null string.
685         if ( keyEvent->string )
686         {
687           keyString = keyEvent->string;
688         }
689
690         KeyEvent keyEvent(keyName, keyString, keyCode, modifier, time, KeyEvent::Down);
691         handler->SendEvent( keyEvent );
692       }
693     }
694
695     return ECORE_CALLBACK_PASS_ON;
696   }
697
698   /**
699    * Called when a key up is received.
700    */
701   static Eina_Bool EcoreEventKeyUp( void* data, int type, void* event )
702   {
703     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventKeyUp \n" );
704
705     EventHandler* handler( (EventHandler*)data );
706     Ecore_Event_Key *keyEvent( (Ecore_Event_Key*)event );
707     bool eventHandled( false );
708
709     // Device keys like Menu, home, back button must skip ecore_imf_context_filter_event.
710     if ( ! KeyLookup::IsDeviceButton( keyEvent->keyname ) )
711     {
712       Ecore_IMF_Context* imfContext = NULL;
713       Dali::ImfManager imfManager( ImfManager::Get() );
714       if ( imfManager )
715       {
716         imfContext = ImfManager::GetImplementation( 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 #ifdef ECORE_IMF_1_13
731         ecoreKeyUpEvent.dev_name  = "";
732 #endif // ECORE_IMF_1_13
733
734         eventHandled = ecore_imf_context_filter_event( imfContext,
735                                                        ECORE_IMF_EVENT_KEY_UP,
736                                                        (Ecore_IMF_Event *) &ecoreKeyUpEvent );
737       }
738     }
739
740     // If the event wasn't handled then we should send a key event.
741     if ( !eventHandled )
742     {
743       if ( keyEvent->window == handler->mImpl->mWindow )
744       {
745         std::string keyName( keyEvent->keyname );
746         std::string keyString( "" );
747         int keyCode = ecore_x_keysym_keycode_get(keyEvent->keyname);
748         int modifier( keyEvent->modifiers );
749         unsigned long time( keyEvent->timestamp );
750
751         // Ensure key event string is not NULL as keys like SHIFT have a null string.
752         if ( keyEvent->string )
753         {
754           keyString = keyEvent->string;
755         }
756
757         KeyEvent keyEvent(keyName, keyString, keyCode, modifier, time, KeyEvent::Up);
758         handler->SendEvent( keyEvent );
759
760       }
761     }
762
763     return ECORE_CALLBACK_PASS_ON;
764   }
765
766   /////////////////////////////////////////////////////////////////////////////////////////////////
767   // Window Callbacks
768   /////////////////////////////////////////////////////////////////////////////////////////////////
769
770   /**
771    * Called when the window gains focus.
772    */
773   static Eina_Bool EcoreEventWindowFocusIn( void* data, int type, void* event )
774   {
775     Ecore_X_Event_Window_Focus_In* focusInEvent( (Ecore_X_Event_Window_Focus_In*)event );
776     EventHandler* handler( (EventHandler*)data );
777
778     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusIn \n" );
779
780     // If the window gains focus and we hid the keyboard then show it again.
781     if ( focusInEvent->win == handler->mImpl->mWindow )
782     {
783       DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT EcoreEventWindowFocusIn - >>WindowFocusGained \n" );
784
785       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
786       {
787         Dali::ImfManager imfManager( ImfManager::Get() );
788         if ( imfManager )
789         {
790           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
791           if( imfManagerImpl.RestoreAfterFocusLost() )
792           {
793             imfManagerImpl.Activate();
794           }
795         }
796       }
797       // No need to connect callbacks as KeyboardStatusChanged will be called.
798     }
799
800     return ECORE_CALLBACK_PASS_ON;
801   }
802
803   /**
804    * Called when the window loses focus.
805    */
806   static Eina_Bool EcoreEventWindowFocusOut( void* data, int type, void* event )
807   {
808     Ecore_X_Event_Window_Focus_Out* focusOutEvent( (Ecore_X_Event_Window_Focus_Out*)event );
809     EventHandler* handler( (EventHandler*)data );
810
811     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusOut \n" );
812
813     // If the window loses focus then hide the keyboard.
814     if ( focusOutEvent->win == handler->mImpl->mWindow )
815     {
816       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
817       {
818         Dali::ImfManager imfManager( ImfManager::Get() );
819         if ( imfManager )
820         {
821           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
822           if( imfManagerImpl.RestoreAfterFocusLost() )
823           {
824             imfManagerImpl.Deactivate();
825           }
826         }
827       }
828
829       // Clipboard don't support that whether clipboard is shown or not. Hide clipboard.
830       Dali::Clipboard clipboard = Clipboard::Get();
831       clipboard.HideClipboard();
832     }
833
834     return ECORE_CALLBACK_PASS_ON;
835   }
836
837   /**
838    * Called when the window is damaged.
839    */
840   static Eina_Bool EcoreEventWindowDamaged(void *data, int type, void *event)
841   {
842     Ecore_X_Event_Window_Damage* windowDamagedEvent( (Ecore_X_Event_Window_Damage*)event );
843     EventHandler* handler( (EventHandler*)data );
844
845     if( windowDamagedEvent->win == handler->mImpl->mWindow )
846     {
847       DamageArea area;
848       area.x = windowDamagedEvent->x;
849       area.y = windowDamagedEvent->y;
850       area.width = windowDamagedEvent->w;
851       area.height = windowDamagedEvent->h;
852
853       handler->SendEvent( area );
854     }
855
856     return ECORE_CALLBACK_PASS_ON;
857   }
858
859   /**
860    * Called when the window properties are changed.
861    * We are only interested in the font change.
862    */
863
864
865   /////////////////////////////////////////////////////////////////////////////////////////////////
866   // Drag & Drop Callbacks
867   /////////////////////////////////////////////////////////////////////////////////////////////////
868
869   /**
870    * Called when a dragged item enters our window's bounds.
871    * This is when items are dragged INTO our window.
872    */
873   static Eina_Bool EcoreEventDndEnter( void* data, int type, void* event )
874   {
875     DALI_LOG_INFO( gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndEnter\n" );
876
877     Ecore_X_Event_Xdnd_Enter* enterEvent( (Ecore_X_Event_Xdnd_Enter*) event );
878     EventHandler* handler( (EventHandler*)data );
879     Ecore_X_Window window ( handler->mImpl->mWindow );
880
881     if ( enterEvent->win == window )
882     {
883       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
884
885       // Check whether the Drag & Drop detector has Drag & Drop behaviour enabled before we accept.
886       if ( dndDetector && dndDetector->IsEnabled() )
887       {
888         // Tell Ecore that we want to enable drop in the entire window.
889         Ecore_X_Rectangle rect;
890         rect.x = rect.y = 0;
891         ecore_x_window_geometry_get( window, NULL, NULL, (int*)&rect.width, (int*)&rect.height );
892
893         // Tell Ecore that we are able to process a drop.
894         ecore_x_dnd_send_status( EINA_TRUE, EINA_FALSE, rect, ECORE_X_ATOM_XDND_DROP );
895
896         // Register the required atoms and types.
897         ecore_x_dnd_actions_set( window, DRAG_AND_DROP_ATOMS, DRAG_AND_DROP_ATOMS_NUMBER );
898         ecore_x_dnd_types_set(   window, DRAG_AND_DROP_TYPES, DRAG_AND_DROP_TYPES_NUMBER );
899
900         // Request to get the content from Ecore.
901         ecore_x_selection_xdnd_request( window, ECORE_X_SELECTION_TARGET_UTF8_STRING );
902
903         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndEnter: Requesting Drag & Drop\n" );
904
905         // Clear the previous content
906         dndDetector->ClearContent();
907
908         // Emit the entered signal
909         dndDetector->EmitEnteredSignal();
910       }
911     }
912
913     return ECORE_CALLBACK_PASS_ON;
914   }
915
916   /**
917    * Called when a dragged item is moved within our window.
918    * This is when items are dragged INTO our window.
919    */
920   static Eina_Bool EcoreEventDndPosition( void* data, int type, void* event )
921   {
922     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndPosition\n" );
923
924     Ecore_X_Event_Xdnd_Position* positionEvent( (Ecore_X_Event_Xdnd_Position*) event );
925     EventHandler* handler( (EventHandler*)data );
926
927     if ( positionEvent->win == handler->mImpl->mWindow )
928     {
929       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
930
931       // If we have a detector then update its latest position.
932       if ( dndDetector )
933       {
934         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndPosition: position ( %d x %d )\n", positionEvent->position.x, positionEvent->position.y );
935         dndDetector->SetPosition( Vector2( positionEvent->position.x, positionEvent->position.y ));
936         dndDetector->EmitMovedSignal();
937       }
938     }
939
940     return ECORE_CALLBACK_PASS_ON;
941   }
942
943   /**
944    * Called when a dragged item leaves our window's bounds.
945    * This is when items are dragged INTO our window.
946    */
947   static Eina_Bool EcoreEventDndLeave( void* data, int type, void* event )
948   {
949     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndLeave\n" );
950
951     Ecore_X_Event_Xdnd_Leave* leaveEvent( (Ecore_X_Event_Xdnd_Leave*) event );
952     EventHandler* handler( (EventHandler*)data );
953
954     if ( leaveEvent->win == handler->mImpl->mWindow )
955     {
956       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
957
958       // If we have a detector then clear its content and emit the exited-signal. Also tell Ecore that we have finished.
959       if ( dndDetector )
960       {
961         dndDetector->ClearContent();
962         dndDetector->EmitExitedSignal();
963
964         ecore_x_dnd_send_finished();
965
966         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndLeave: Finished\n" );
967       }
968     }
969
970     return ECORE_CALLBACK_PASS_ON;
971   }
972
973   /**
974    * Called when the dragged item is dropped within our window's bounds.
975    * This is when items are dragged INTO our window.
976    */
977   static Eina_Bool EcoreEventDndDrop( void* data, int type, void* event )
978   {
979     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndDrop\n" );
980
981     Ecore_X_Event_Xdnd_Drop* dropEvent ( (Ecore_X_Event_Xdnd_Drop*) event);
982     EventHandler* handler( (EventHandler*)data );
983
984     if ( dropEvent->win == handler->mImpl->mWindow )
985     {
986       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
987
988       // Something has been dropped, inform the detector (if we have one) and tell Ecore that we have finished.
989       if ( dndDetector )
990       {
991         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: position ( %d x %d )\n", dropEvent->position.x, dropEvent->position.y );
992
993         dndDetector->SetPosition( Vector2( dropEvent->position.x, dropEvent->position.y ) );
994         dndDetector->EmitDroppedSignal();
995         ecore_x_dnd_send_finished();
996
997         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: Finished\n" );
998       }
999     }
1000
1001     return ECORE_CALLBACK_PASS_ON;
1002   }
1003
1004   /**
1005    * Called when a dragged item is moved from our window and the target window has done processing it.
1006    * This is when items are dragged FROM our window.
1007    */
1008   static Eina_Bool EcoreEventDndFinished( void* data, int type, void* event )
1009   {
1010     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndFinished\n" );
1011     return ECORE_CALLBACK_PASS_ON;
1012   }
1013
1014   /**
1015    * Called when a dragged item is moved from our window and the target window has sent us a status.
1016    * This is when items are dragged FROM our window.
1017    */
1018   static Eina_Bool EcoreEventDndStatus( void* data, int type, void* event )
1019   {
1020     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndStatus\n" );
1021     return ECORE_CALLBACK_PASS_ON;
1022   }
1023
1024   /**
1025    * Called when the client messages (i.e. the accessibility events) are received.
1026    */
1027   static Eina_Bool EcoreEventClientMessage( void* data, int type, void* event )
1028   {
1029 #ifndef DALI_PROFILE_UBUNTU
1030     Ecore_X_Event_Client_Message* clientMessageEvent( (Ecore_X_Event_Client_Message*)event );
1031     EventHandler* handler( (EventHandler*)data );
1032
1033     if (clientMessageEvent->message_type == ECORE_X_ATOM_E_ILLUME_ACCESS_CONTROL)
1034     {
1035       if ( ( (unsigned int)clientMessageEvent->data.l[0] == handler->mImpl->mWindow ) && handler->mAccessibilityAdaptor )
1036       {
1037         AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1038
1039         if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_SCROLL)
1040         {
1041           // 2 finger touch & move, 2 finger flick
1042
1043           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1044           // x : e->data.l[3]
1045           // y : e->data.l[4]
1046           TouchPoint::State state(TouchPoint::Down);
1047
1048           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1049           {
1050             state = TouchPoint::Down; // mouse down
1051           }
1052           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1053           {
1054             state = TouchPoint::Motion; // mouse move
1055           }
1056           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1057           {
1058             state = TouchPoint::Up; // mouse up
1059           }
1060           else
1061           {
1062             state = TouchPoint::Interrupted; // error
1063           }
1064
1065           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1066             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1067             (unsigned int)clientMessageEvent->data.l[2],
1068             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1069
1070           // Send touch event to accessibility adaptor.
1071           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1072
1073           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1074           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1075         }
1076         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_MOUSE)
1077         {
1078           // 1 finger double tap and hold
1079
1080           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1081           // x : e->data.l[3]
1082           // y : e->data.l[4]
1083           TouchPoint::State state(TouchPoint::Down);
1084
1085           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1086           {
1087             state = TouchPoint::Down; // mouse down
1088           }
1089           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1090           {
1091             state = TouchPoint::Motion; // mouse move
1092           }
1093           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1094           {
1095             state = TouchPoint::Up; // mouse up
1096           }
1097           else
1098           {
1099             state = TouchPoint::Interrupted; // error
1100           }
1101
1102           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1103             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1104             (unsigned int)clientMessageEvent->data.l[2],
1105             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1106
1107           // Send touch event to accessibility adaptor.
1108           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1109
1110           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1111           accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1112         }
1113         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_BACK)
1114         {
1115           // 2 finger circle draw, do back
1116           accessibilityAdaptor->HandleActionBackEvent();
1117         }
1118         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_NEXT)
1119         {
1120           // one finger flick down
1121           // focus next object
1122           if(accessibilityAdaptor)
1123           {
1124             accessibilityAdaptor->HandleActionNextEvent();
1125           }
1126         }
1127         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_PREV)
1128         {
1129           // one finger flick up
1130           // focus previous object
1131           if(accessibilityAdaptor)
1132           {
1133             accessibilityAdaptor->HandleActionPreviousEvent();
1134           }
1135         }
1136         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ACTIVATE)
1137         {
1138           // one finger double tap
1139           // same as one finger tap in normal mode (i.e. execute focused actor)
1140           if(accessibilityAdaptor)
1141           {
1142             accessibilityAdaptor->HandleActionActivateEvent();
1143           }
1144         }
1145         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ)
1146         {
1147           // one finger tap
1148           // focus & read an actor at ( e->data.l[2], e->data.l[3] ) position according to finger
1149           if(accessibilityAdaptor)
1150           {
1151             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[2], (unsigned int)clientMessageEvent->data.l[3], true /* allow read again*/);
1152           }
1153         }
1154 #if defined(DALI_PROFILE_MOBILE)
1155         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_OVER)
1156         {
1157           // one finger tap & move
1158           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1159           // x : e->data.l[3]
1160           // y : e->data.l[4]
1161           // focus & read an actor at (x, y) position according to finger
1162           if(accessibilityAdaptor && (unsigned int)clientMessageEvent->data.l[2] == 1 /*only work for move event*/)
1163           {
1164             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4], false /* not allow read again*/);
1165           }
1166         }
1167 #endif
1168         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_NEXT)
1169         {
1170           // one finger flick right
1171           // focus next object
1172            if(accessibilityAdaptor)
1173           {
1174             accessibilityAdaptor->HandleActionReadNextEvent();
1175           }
1176         }
1177         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_PREV)
1178         {
1179           // one finger flick left
1180           // focus previous object
1181           if(accessibilityAdaptor)
1182           {
1183             accessibilityAdaptor->HandleActionReadPreviousEvent();
1184           }
1185         }
1186         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_UP)
1187         {
1188           // double down and move (right, up)
1189           // change slider value
1190           if(accessibilityAdaptor)
1191           {
1192             accessibilityAdaptor->HandleActionUpEvent();
1193           }
1194         }
1195         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DOWN)
1196         {
1197           // double down and move (left, down)
1198           // change slider value
1199           if(accessibilityAdaptor)
1200           {
1201             accessibilityAdaptor->HandleActionDownEvent();
1202           }
1203         }
1204         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ENABLE)
1205         {
1206            if(accessibilityAdaptor)
1207           {
1208             accessibilityAdaptor->HandleActionEnableEvent();
1209           }
1210         }
1211         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DISABLE)
1212         {
1213           if(accessibilityAdaptor)
1214           {
1215             accessibilityAdaptor->HandleActionDisableEvent();
1216           }
1217         }
1218         // TODO: some more actions could be added later
1219       }
1220     }
1221     else if(clientMessageEvent->message_type == ecore_x_atom_get(CLIPBOARD_ATOM))
1222     {
1223       std::string message(clientMessageEvent->data.b);
1224       if( message == CLIPBOARD_SET_OWNER_MESSAGE)
1225       {
1226         // Claim the ownership of the SECONDARY selection.
1227         ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1228
1229         // Show the clipboard window
1230         Dali::Clipboard clipboard = Dali::Clipboard::Get();
1231         clipboard.ShowClipboard();
1232       }
1233     }
1234     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_PREPARE )
1235     {
1236       RotationEvent rotationEvent;
1237       rotationEvent.angle      = static_cast<int>(clientMessageEvent->data.l[1]);
1238       rotationEvent.winResize  = static_cast<int>(clientMessageEvent->data.l[2]);
1239       rotationEvent.width      = static_cast<int>(clientMessageEvent->data.l[3]);
1240       rotationEvent.height     = static_cast<int>(clientMessageEvent->data.l[4]);
1241       handler->SendRotationPrepareEvent( rotationEvent );
1242     }
1243     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_REQUEST )
1244     {
1245       handler->SendRotationRequestEvent();
1246     }
1247
1248 #endif // DALI_PROFILE_UBUNTU
1249     return ECORE_CALLBACK_PASS_ON;
1250   }
1251
1252
1253   /////////////////////////////////////////////////////////////////////////////////////////////////
1254   // ElDBus Accessibility Callbacks
1255   /////////////////////////////////////////////////////////////////////////////////////////////////
1256
1257 #ifdef DALI_ELDBUS_AVAILABLE
1258   // Callback for Ecore ElDBus accessibility events.
1259   static void OnEcoreElDBusAccessibilityNotification( void *context EINA_UNUSED, const Eldbus_Message *message )
1260   {
1261     EventHandler* handler = static_cast< EventHandler* >( context );
1262     // Ignore any accessibility events when paused.
1263     if( handler->mPaused )
1264     {
1265       return;
1266     }
1267
1268     if ( !handler->mAccessibilityAdaptor )
1269     {
1270       DALI_LOG_ERROR( "Invalid accessibility adaptor\n" );
1271       return;
1272     }
1273
1274     AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1275     if ( !accessibilityAdaptor )
1276     {
1277       DALI_LOG_ERROR( "Cannot access accessibility adaptor\n" );
1278       return;
1279     }
1280
1281     const char *gestureName;
1282     int xS, yS, xE, yE;
1283     unsigned int state;
1284
1285     // The string defines the arg-list's respective types.
1286     if( !eldbus_message_arguments_get( message, "siiiiu", &gestureName, &xS, &yS, &xE, &yE, &state ) )
1287     {
1288       DALI_LOG_ERROR( "OnEcoreElDBusAccessibilityNotification: Error getting arguments\n" );
1289     }
1290
1291     DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Name: %s  Args: %d,%d,%d,%d  State: %d\n", gestureName, xS, yS, xE, yE );
1292
1293     unsigned int fingers = 0;
1294     char* stringPosition = ( char* )gestureName;
1295
1296     // Check how many fingers the gesture uses.
1297     for( unsigned int i = 0; i < FingerCountStringsTotal; ++i )
1298     {
1299       unsigned int matchLength = strlen( ElDBusAccessibilityFingerCountStrings[ i ] );
1300       if( strncmp( gestureName, ElDBusAccessibilityFingerCountStrings[ i ], matchLength ) == 0 )
1301       {
1302         fingers = i + 1;
1303         stringPosition += matchLength;
1304         break;
1305       }
1306     }
1307
1308     if( fingers == 0 )
1309     {
1310       // Error: invalid gesture.
1311       return;
1312     }
1313
1314     GestureType gestureType = GESTURE_TYPE_NONE;
1315     SubGestureType subGestureType = SUB_GESTURE_TYPE_NONE;
1316     GestureDirection direction = GESTURE_DIRECTION_NONE;
1317
1318     // Check for full gesture type names first.
1319     for( unsigned int i = 0; i < FullEventTypeStringsTotal; ++i )
1320     {
1321       unsigned int matchLength = strlen( ElDBusAccessibilityFullEventTypeStrings[ i ].name );
1322       if( strncmp( stringPosition, ElDBusAccessibilityFullEventTypeStrings[ i ].name, matchLength ) == 0 )
1323       {
1324         gestureType = ElDBusAccessibilityFullEventTypeStrings[ i ].type;
1325         break;
1326       }
1327     }
1328
1329     // If we didn't find a full gesture, check for sub gesture type names.
1330     if( gestureType == GESTURE_TYPE_NONE )
1331     {
1332       // No full gesture name found, look for partial types.
1333       for( unsigned int i = 0; i < DirectionalEventTypeStringsTotal; ++i )
1334       {
1335         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name );
1336         if( strncmp( stringPosition, ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name, matchLength ) == 0 )
1337         {
1338           subGestureType = ElDBusAccessibilityDirectionalEventTypeStrings[ i ].type;
1339           stringPosition += matchLength;
1340         break;
1341         }
1342       }
1343
1344       if( subGestureType == SUB_GESTURE_TYPE_NONE )
1345       {
1346         // ERROR: Gesture not recognised.
1347         return;
1348       }
1349
1350       // If the gesture was a sub type, get it's respective direction.
1351       for( unsigned int i = 0; i < DirectionStringsTotal; ++i )
1352       {
1353         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionStrings[ i ].name );
1354         if( strncmp( stringPosition, ElDBusAccessibilityDirectionStrings[ i ].name, matchLength ) == 0 )
1355         {
1356           direction = ElDBusAccessibilityDirectionStrings[ i ].direction;
1357           stringPosition += matchLength;
1358           break;
1359         }
1360       }
1361
1362       if( direction == GESTURE_DIRECTION_NONE )
1363       {
1364         // ERROR: Gesture not recognised.
1365         return;
1366       }
1367     }
1368
1369     // Action the detected gesture here.
1370     if( gestureType != GESTURE_TYPE_NONE )
1371     {
1372       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture type: %d\n", fingers, gestureType );
1373     }
1374     else
1375     {
1376       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture sub type: %d Gesture direction: %d\n",
1377         fingers, subGestureType, direction );
1378     }
1379
1380     // Create a touch point object.
1381     TouchPoint::State touchPointState( TouchPoint::Down );
1382     if ( state == 0 )
1383     {
1384       touchPointState = TouchPoint::Down; // Mouse down.
1385     }
1386     else if ( state == 1 )
1387     {
1388       touchPointState = TouchPoint::Motion; // Mouse move.
1389     }
1390     else if ( state == 2 )
1391     {
1392       touchPointState = TouchPoint::Up; // Mouse up.
1393     }
1394     else
1395     {
1396       touchPointState = TouchPoint::Interrupted; // Error.
1397     }
1398
1399     // Send touch event to accessibility adaptor.
1400     TouchPoint point( 0, touchPointState, (float)xS, (float)yS );
1401
1402     // Perform actions based on received gestures.
1403     // Note: This is seperated from the reading so we can (in future)
1404     // have other input readers without changing the below code.
1405     switch( fingers )
1406     {
1407       case 1:
1408       {
1409         if( gestureType == GESTURE_TYPE_SINGLE_TAP || ( gestureType == GESTURE_TYPE_HOVER && touchPointState == TouchPoint::Motion ) )
1410         {
1411           // Focus, read out.
1412           accessibilityAdaptor->HandleActionReadEvent( (unsigned int)xS, (unsigned int)yS, true /* allow read again */ );
1413         }
1414         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1415         {
1416           if( false ) // TODO: how to detect double tap + hold?
1417           {
1418             // Move or drag icon / view more options for selected items.
1419             // accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1420           }
1421           else
1422           {
1423             // Activate selected item / active edit mode.
1424             accessibilityAdaptor->HandleActionActivateEvent();
1425           }
1426         }
1427         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1428         {
1429           // Zoom
1430           accessibilityAdaptor->HandleActionZoomEvent();
1431         }
1432         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1433         {
1434           if( direction == GESTURE_DIRECTION_LEFT )
1435           {
1436             // Move to previous item.
1437             accessibilityAdaptor->HandleActionReadPreviousEvent();
1438           }
1439           else if( direction == GESTURE_DIRECTION_RIGHT )
1440           {
1441             // Move to next item.
1442             accessibilityAdaptor->HandleActionReadNextEvent();
1443           }
1444           else if( direction == GESTURE_DIRECTION_UP )
1445           {
1446             // Move to next item.
1447             accessibilityAdaptor->HandleActionPreviousEvent();
1448           }
1449           else if( direction == GESTURE_DIRECTION_DOWN )
1450           {
1451             // Move to next item.
1452             accessibilityAdaptor->HandleActionNextEvent();
1453           }
1454           else if( direction == GESTURE_DIRECTION_LEFT_RETURN )
1455           {
1456             // Scroll up to the previous page
1457             accessibilityAdaptor->HandleActionPageUpEvent();
1458           }
1459           else if( direction == GESTURE_DIRECTION_RIGHT_RETURN )
1460           {
1461             // Scroll down to the next page
1462             accessibilityAdaptor->HandleActionPageDownEvent();
1463           }
1464           else if( direction == GESTURE_DIRECTION_UP_RETURN )
1465           {
1466             // Move to the first item on screen
1467             accessibilityAdaptor->HandleActionMoveToFirstEvent();
1468           }
1469           else if( direction == GESTURE_DIRECTION_DOWN_RETURN )
1470           {
1471             // Move to the last item on screen
1472             accessibilityAdaptor->HandleActionMoveToLastEvent();
1473           }
1474         }
1475         break;
1476       }
1477
1478       case 2:
1479       {
1480         if( gestureType == GESTURE_TYPE_HOVER )
1481         {
1482           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1483           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1484         }
1485         else if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1486         {
1487           // Pause/Resume current speech
1488           accessibilityAdaptor->HandleActionReadPauseResumeEvent();
1489         }
1490         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1491         {
1492           // Start/Stop current action
1493           accessibilityAdaptor->HandleActionStartStopEvent();
1494         }
1495         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1496         {
1497           // Read information from indicator
1498           accessibilityAdaptor->HandleActionReadIndicatorInformationEvent();
1499         }
1500         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1501         {
1502           if( direction == GESTURE_DIRECTION_LEFT )
1503           {
1504             // Scroll left to the previous page
1505             accessibilityAdaptor->HandleActionPageLeftEvent();
1506           }
1507           else if( direction == GESTURE_DIRECTION_RIGHT )
1508           {
1509             // Scroll right to the next page
1510             accessibilityAdaptor->HandleActionPageRightEvent();
1511           }
1512           else if( direction == GESTURE_DIRECTION_UP )
1513           {
1514             // Scroll up the list.
1515             accessibilityAdaptor->HandleActionScrollUpEvent();
1516           }
1517           else if( direction == GESTURE_DIRECTION_DOWN )
1518           {
1519             // Scroll down the list.
1520             accessibilityAdaptor->HandleActionScrollDownEvent();
1521           }
1522         }
1523         break;
1524       }
1525
1526       case 3:
1527       {
1528         if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1529         {
1530           // Read from top item on screen continuously.
1531           accessibilityAdaptor->HandleActionReadFromTopEvent();
1532         }
1533         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1534         {
1535           // Read from next item continuously.
1536           accessibilityAdaptor->HandleActionReadFromNextEvent();
1537         }
1538         break;
1539       }
1540     }
1541   }
1542
1543   // Callback for to set up Ecore ElDBus for accessibility callbacks.
1544   static void EcoreElDBusInitialisation( void *handle, const Eldbus_Message *message, Eldbus_Pending *pending EINA_UNUSED )
1545   {
1546     Eldbus_Object *object;
1547     Eldbus_Proxy *manager;
1548     const char *a11yBusAddress = NULL;
1549     EventHandler* handler = static_cast< EventHandler* >( handle );
1550
1551     // The string defines the arg-list's respective types.
1552     if( !eldbus_message_arguments_get( message, "s", &a11yBusAddress ) )
1553     {
1554       DALI_LOG_ERROR( "EcoreElDBusInitialisation: Error getting arguments\n" );
1555     }
1556
1557     DALI_LOG_INFO( gImfLogging, Debug::General, "Ecore ElDBus Accessibility address: %s\n", a11yBusAddress );
1558
1559     handler->mImpl->mA11yConnection = eldbus_address_connection_get( a11yBusAddress );
1560
1561     object = eldbus_object_get( handler->mImpl->mA11yConnection, BUS, PATH );
1562     manager = eldbus_proxy_get( object, INTERFACE );
1563
1564     // Pass the callback data through to the signal handler.
1565     eldbus_proxy_signal_handler_add( manager, SIGNAL, OnEcoreElDBusAccessibilityNotification, handle );
1566   }
1567 #endif // DALI_ELDBUS_AVAILABLE
1568
1569   /**
1570    * Called when the source window notifies us the content in clipboard is selected.
1571    */
1572   static Eina_Bool EcoreEventSelectionClear( void* data, int type, void* event )
1573   {
1574     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionClear\n" );
1575     Ecore_X_Event_Selection_Clear* selectionClearEvent( (Ecore_X_Event_Selection_Clear*) event );
1576     EventHandler* handler( (EventHandler*)data );
1577
1578     if ( selectionClearEvent->win == handler->mImpl->mWindow )
1579     {
1580       if ( selectionClearEvent->selection == ECORE_X_SELECTION_SECONDARY )
1581       {
1582         // Request to get the content from Ecore.
1583         ecore_x_selection_secondary_request(selectionClearEvent->win, ECORE_X_SELECTION_TARGET_TEXT);
1584       }
1585     }
1586     return ECORE_CALLBACK_PASS_ON;
1587   }
1588
1589   /**
1590    * Called when the source window sends us about the selected content.
1591    * For example, when dragged items are dragged INTO our window or when items are selected in the clipboard.
1592    */
1593   static Eina_Bool EcoreEventSelectionNotify( void* data, int type, void* event )
1594   {
1595     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionNotify\n" );
1596
1597     Ecore_X_Event_Selection_Notify* selectionNotifyEvent( (Ecore_X_Event_Selection_Notify*) event );
1598     EventHandler* handler( (EventHandler*)data );
1599
1600     if ( selectionNotifyEvent->win == handler->mImpl->mWindow )
1601     {
1602       Ecore_X_Selection_Data* selectionData( (Ecore_X_Selection_Data*) selectionNotifyEvent->data );
1603       if ( selectionData->data )
1604       {
1605         if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_XDND )
1606         {
1607           DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
1608
1609           // We have got the content that is to be dropped, inform the DndListener (if we have one).
1610           if ( dndDetector )
1611           {
1612             std::string content( (char*) selectionData->data, selectionData->length );
1613             dndDetector->SetContent( content );
1614
1615             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1616             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1617             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1618             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1619           }
1620         }
1621         else if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_SECONDARY )
1622         {
1623           // We have got the selected content, inform the clipboard event listener (if we have one).
1624           if ( handler->mClipboardEventNotifier )
1625           {
1626             ClipboardEventNotifier& clipboardEventNotifier( ClipboardEventNotifier::GetImplementation( handler->mClipboardEventNotifier ) );
1627             std::string content( (char*) selectionData->data, selectionData->length );
1628             clipboardEventNotifier.SetContent( content );
1629             clipboardEventNotifier.EmitContentSelectedSignal();
1630           }
1631
1632           // Claim the ownership of the SECONDARY selection.
1633           ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1634
1635           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1636           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1637           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1638           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1639         }
1640       }
1641     }
1642     return ECORE_CALLBACK_PASS_ON;
1643   }
1644
1645
1646 #ifndef DALI_PROFILE_UBUNTU
1647   /////////////////////////////////////////////////////////////////////////////////////////////////
1648   // Font Callbacks
1649   /////////////////////////////////////////////////////////////////////////////////////////////////
1650   /**
1651    * Called when a font name is changed.
1652    */
1653   static void VconfNotifyFontNameChanged( keynode_t* node, void* data )
1654   {
1655     EventHandler* handler = static_cast<EventHandler*>( data );
1656     handler->SendEvent( StyleChange::DEFAULT_FONT_CHANGE );
1657   }
1658
1659   /**
1660    * Called when a font size is changed.
1661    */
1662   static void VconfNotifyFontSizeChanged( keynode_t* node, void* data )
1663   {
1664     DALI_LOG_INFO(gTouchEventLogFilter, Debug::Verbose, "VconfNotifyFontSizeChanged\n" );
1665     EventHandler* handler = static_cast<EventHandler*>( data );
1666     handler->SendEvent( StyleChange::DEFAULT_FONT_SIZE_CHANGE );
1667   }
1668 #endif // DALI_PROFILE_UBUNTU
1669
1670   // Data
1671   EventHandler* mHandler;
1672   std::vector<Ecore_Event_Handler*> mEcoreEventHandler;
1673   Ecore_X_Window mWindow;
1674   int mXiDeviceId;
1675
1676 #ifdef DALI_ELDBUS_AVAILABLE
1677   Eldbus_Connection* mSessionConnection;
1678   Eldbus_Connection* mA11yConnection;
1679 #endif
1680 };
1681
1682 EventHandler::EventHandler( RenderSurface* surface, CoreEventInterface& coreEventInterface, GestureManager& gestureManager, DamageObserver& damageObserver, DragAndDropDetectorPtr dndDetector )
1683 : mCoreEventInterface( coreEventInterface ),
1684   mGestureManager( gestureManager ),
1685   mStyleMonitor( StyleMonitor::Get() ),
1686   mDamageObserver( damageObserver ),
1687   mRotationObserver( NULL ),
1688   mDragAndDropDetector( dndDetector ),
1689   mAccessibilityAdaptor( AccessibilityAdaptor::Get() ),
1690   mClipboardEventNotifier( ClipboardEventNotifier::Get() ),
1691   mClipboard( Clipboard::Get() ),
1692   mImpl( NULL ),
1693   mPaused( false )
1694 {
1695   Ecore_X_Window window = 0;
1696
1697   // this code only works with the EcoreX11 RenderSurface so need to downcast
1698   ECore::WindowRenderSurface* ecoreSurface = dynamic_cast< ECore::WindowRenderSurface* >( surface );
1699   if( ecoreSurface )
1700   {
1701     // enable multi touch
1702     window = ecoreSurface->GetXWindow();
1703   }
1704
1705   mImpl = new Impl(this, window);
1706 }
1707
1708 EventHandler::~EventHandler()
1709 {
1710   delete mImpl;
1711
1712   mGestureManager.Stop();
1713 }
1714
1715 void EventHandler::SendEvent(TouchPoint& point, unsigned long timeStamp)
1716 {
1717   if(timeStamp < 1)
1718   {
1719     timeStamp = GetCurrentMilliSeconds();
1720   }
1721
1722   Integration::TouchEvent touchEvent;
1723   Integration::HoverEvent hoverEvent;
1724   Integration::TouchEventCombiner::EventDispatchType type = mCombiner.GetNextTouchEvent(point, timeStamp, touchEvent, hoverEvent);
1725   if(type != Integration::TouchEventCombiner::DispatchNone )
1726   {
1727     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);
1728
1729     // First the touch and/or hover event & related gesture events are queued
1730     if(type == Integration::TouchEventCombiner::DispatchTouch || type == Integration::TouchEventCombiner::DispatchBoth)
1731     {
1732       mCoreEventInterface.QueueCoreEvent( touchEvent );
1733       mGestureManager.SendEvent(touchEvent);
1734     }
1735
1736     if(type == Integration::TouchEventCombiner::DispatchHover || type == Integration::TouchEventCombiner::DispatchBoth)
1737     {
1738       mCoreEventInterface.QueueCoreEvent( hoverEvent );
1739     }
1740
1741     // Next the events are processed with a single call into Core
1742     mCoreEventInterface.ProcessCoreEvents();
1743   }
1744 }
1745
1746 void EventHandler::SendEvent(KeyEvent& keyEvent)
1747 {
1748   Dali::PhysicalKeyboard physicalKeyboard = PhysicalKeyboard::Get();
1749   if ( physicalKeyboard )
1750   {
1751     if ( ! KeyLookup::IsDeviceButton( keyEvent.keyPressedName.c_str() ) )
1752     {
1753       GetImplementation( physicalKeyboard ).KeyReceived( keyEvent.time > 1 );
1754     }
1755   }
1756
1757   // Create KeyEvent and send to Core.
1758   Integration::KeyEvent event(keyEvent.keyPressedName, keyEvent.keyPressed, keyEvent.keyCode,
1759   keyEvent.keyModifier, keyEvent.time, static_cast<Integration::KeyEvent::State>(keyEvent.state));
1760   mCoreEventInterface.QueueCoreEvent( event );
1761   mCoreEventInterface.ProcessCoreEvents();
1762 }
1763
1764 void EventHandler::SendWheelEvent( WheelEvent& wheelEvent )
1765 {
1766   // Create WheelEvent and send to Core.
1767   Integration::WheelEvent event( static_cast< Integration::WheelEvent::Type >(wheelEvent.type), wheelEvent.direction, wheelEvent.modifiers, wheelEvent.point, wheelEvent.z, wheelEvent.timeStamp );
1768   mCoreEventInterface.QueueCoreEvent( event );
1769   mCoreEventInterface.ProcessCoreEvents();
1770 }
1771
1772 void EventHandler::SendEvent( StyleChange::Type styleChange )
1773 {
1774   DALI_ASSERT_DEBUG( mStyleMonitor && "StyleMonitor Not Available" );
1775   GetImplementation( mStyleMonitor ).StyleChanged(styleChange);
1776 }
1777
1778 void EventHandler::SendEvent( const DamageArea& area )
1779 {
1780   mDamageObserver.OnDamaged( area );
1781 }
1782
1783 void EventHandler::SendRotationPrepareEvent( const RotationEvent& event )
1784 {
1785   if( mRotationObserver != NULL )
1786   {
1787     mRotationObserver->OnRotationPrepare( event );
1788   }
1789 }
1790
1791 void EventHandler::SendRotationRequestEvent( )
1792 {
1793   if( mRotationObserver != NULL )
1794   {
1795     mRotationObserver->OnRotationRequest( );
1796   }
1797 }
1798
1799 void EventHandler::FeedTouchPoint( TouchPoint& point, int timeStamp)
1800 {
1801   SendEvent(point, timeStamp);
1802 }
1803
1804 void EventHandler::FeedWheelEvent( WheelEvent& wheelEvent )
1805 {
1806   SendWheelEvent( wheelEvent );
1807 }
1808
1809 void EventHandler::FeedKeyEvent( KeyEvent& event )
1810 {
1811   SendEvent( event );
1812 }
1813
1814 void EventHandler::FeedEvent( Integration::Event& event )
1815 {
1816   mCoreEventInterface.QueueCoreEvent( event );
1817   mCoreEventInterface.ProcessCoreEvents();
1818 }
1819
1820 void EventHandler::Reset()
1821 {
1822   mCombiner.Reset();
1823
1824   // Any touch listeners should be told of the interruption.
1825   Integration::TouchEvent event;
1826   TouchPoint point(0, TouchPoint::Interrupted, 0, 0);
1827   event.AddPoint( point );
1828
1829   // First the touch event & related gesture events are queued
1830   mCoreEventInterface.QueueCoreEvent( event );
1831   mGestureManager.SendEvent( event );
1832
1833   // Next the events are processed with a single call into Core
1834   mCoreEventInterface.ProcessCoreEvents();
1835 }
1836
1837 void EventHandler::Pause()
1838 {
1839   mPaused = true;
1840   Reset();
1841 }
1842
1843 void EventHandler::Resume()
1844 {
1845   mPaused = false;
1846   Reset();
1847 }
1848
1849 void EventHandler::SetDragAndDropDetector( DragAndDropDetectorPtr detector )
1850 {
1851   mDragAndDropDetector = detector;
1852 }
1853
1854 void EventHandler::SetRotationObserver( RotationObserver* observer )
1855 {
1856   mRotationObserver = observer;
1857 }
1858
1859 } // namespace Adaptor
1860
1861 } // namespace Internal
1862
1863 } // namespace Dali