Merge "Add support for new accessibility actions" into devel/master
[platform/core/uifw/dali-adaptor.git] / adaptors / x11 / event-handler-x.cpp
1 /*
2  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17
18 // CLASS HEADER
19 #include <events/event-handler.h>
20
21 // EXTERNAL INCLUDES
22 #include <Ecore.h>
23 #include <Ecore_Input.h>
24 #include <Ecore_X.h>
25
26 #include <X11/Xlib.h>
27 #include <X11/extensions/XInput2.h>
28 #include <X11/extensions/XI2.h>
29
30 #include <cstring>
31
32 #include <sys/time.h>
33
34 #ifndef DALI_PROFILE_UBUNTU
35 #include <vconf.h>
36 #include <vconf-keys.h>
37 #endif // DALI_PROFILE_UBUNTU
38
39 #ifdef DALI_ELDBUS_AVAILABLE
40 #include <Eldbus.h>
41 #endif // DALI_ELDBUS_AVAILABLE
42
43 #include <dali/public-api/common/vector-wrapper.h>
44 #include <dali/public-api/events/touch-point.h>
45 #include <dali/public-api/events/key-event.h>
46 #include <dali/public-api/events/wheel-event.h>
47 #include <dali/integration-api/debug.h>
48 #include <dali/integration-api/events/key-event-integ.h>
49 #include <dali/integration-api/events/touch-event-integ.h>
50 #include <dali/integration-api/events/hover-event-integ.h>
51 #include <dali/integration-api/events/wheel-event-integ.h>
52
53 // INTERNAL INCLUDES
54 #include <events/gesture-manager.h>
55 #include <window-render-surface.h>
56 #include <clipboard-impl.h>
57 #include <key-impl.h>
58 #include <physical-keyboard-impl.h>
59 #include <style-monitor-impl.h>
60 #include <base/core-event-interface.h>
61
62 namespace Dali
63 {
64
65 namespace Internal
66 {
67
68 namespace Adaptor
69 {
70
71 #if defined(DEBUG_ENABLED)
72 namespace
73 {
74 Integration::Log::Filter* gTouchEventLogFilter  = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_TOUCH");
75 Integration::Log::Filter* gClientMessageLogFilter  = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_CLIENT_MESSAGE");
76 Integration::Log::Filter* gDragAndDropLogFilter = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_DND");
77 Integration::Log::Filter* gImfLogging  = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_IMF");
78 Integration::Log::Filter* gSelectionEventLogFilter = Integration::Log::Filter::New(Debug::NoLogging, false, "LOG_ADAPTOR_EVENTS_SELECTION");
79 } // unnamed namespace
80 #endif
81
82
83 namespace
84 {
85
86 const char * DETENT_DEVICE_NAME = "tizen_detent";
87
88 // DBUS accessibility
89 #define A11Y_BUS "org.a11y.Bus"
90 #define A11Y_INTERFACE "org.a11y.Bus"
91 #define A11Y_PATH "/org/a11y/bus"
92 #define A11Y_GET_ADDRESS "GetAddress"
93 #define BUS "com.samsung.EModule"
94 #define INTERFACE "com.samsung.GestureNavigation"
95 #define PATH "/com/samsung/GestureNavigation"
96 #define SIGNAL "GestureDetected"
97
98 #ifndef DALI_PROFILE_UBUNTU
99 const char * DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME = "db/setting/accessibility/font_name"; // It will be update at vconf-key.h and replaced.
100 #endif // DALI_PROFILE_UBUNTU
101
102 const unsigned int PRIMARY_TOUCH_BUTTON_ID( 1 );
103
104 #ifndef DALI_PROFILE_UBUNTU
105 const char * CLIPBOARD_ATOM                = "CBHM_MSG";
106 const char * CLIPBOARD_SET_OWNER_MESSAGE   = "SET_OWNER";
107 #endif // DALI_PROFILE_UBUNTU
108
109 /// The atoms required by Ecore for Drag & Drop behaviour.
110 Ecore_X_Atom DRAG_AND_DROP_ATOMS[] =
111 {
112   ECORE_X_ATOM_XDND_ACTION_COPY,
113 };
114
115 /// The types that we support.
116 const char * DRAG_AND_DROP_TYPES[] =
117 {
118   ECORE_X_SELECTION_TARGET_UTF8_STRING,
119 };
120
121 const unsigned int DRAG_AND_DROP_ATOMS_NUMBER = sizeof( DRAG_AND_DROP_ATOMS ) / sizeof( Ecore_X_Atom );
122 const unsigned int DRAG_AND_DROP_TYPES_NUMBER = sizeof( DRAG_AND_DROP_TYPES ) / sizeof( const char * );
123
124 const unsigned int BYTES_PER_CHARACTER_FOR_ATTRIBUTES = 3;
125
126 #ifdef DALI_ELDBUS_AVAILABLE
127 // DBus gesture string matching lists.
128 // TODO: This needs moving to its own module.
129 const char * ElDBusAccessibilityFingerCountStrings[] =
130 {
131   "OneFinger",
132   "TwoFingers",
133   "ThreeFingers"
134 };
135 const unsigned int FingerCountStringsTotal = sizeof( ElDBusAccessibilityFingerCountStrings ) / sizeof( ElDBusAccessibilityFingerCountStrings[0] );
136 enum GestureType
137 {
138   GESTURE_TYPE_NONE,
139   GESTURE_TYPE_HOVER,
140   GESTURE_TYPE_SINGLE_TAP,
141   GESTURE_TYPE_DOUBLE_TAP,
142   GESTURE_TYPE_TRIPLE_TAP
143 };
144 struct GestureTypeTable
145 {
146   const char* name;
147   const GestureType type;
148 };
149 GestureTypeTable ElDBusAccessibilityFullEventTypeStrings[] =
150 {
151   { "Hover",     GESTURE_TYPE_HOVER      },
152   { "SingleTap", GESTURE_TYPE_SINGLE_TAP },
153   { "DoubleTap", GESTURE_TYPE_DOUBLE_TAP },
154   { "TripleTap", GESTURE_TYPE_TRIPLE_TAP }
155 };
156 const unsigned int FullEventTypeStringsTotal = sizeof( ElDBusAccessibilityFullEventTypeStrings ) / sizeof( ElDBusAccessibilityFullEventTypeStrings[0] );
157 enum SubGestureType
158 {
159   SUB_GESTURE_TYPE_NONE,
160   SUB_GESTURE_TYPE_FLICK
161 };
162 struct SubGestureTypeTable
163 {
164   const char* name;
165   const SubGestureType type;
166 };
167 SubGestureTypeTable ElDBusAccessibilityDirectionalEventTypeStrings[] =
168 {
169   { "Flick", SUB_GESTURE_TYPE_FLICK }
170 };
171 const unsigned int DirectionalEventTypeStringsTotal = sizeof( ElDBusAccessibilityDirectionalEventTypeStrings ) / sizeof( ElDBusAccessibilityDirectionalEventTypeStrings[0] );
172 enum GestureDirection
173 {
174   GESTURE_DIRECTION_NONE,
175   GESTURE_DIRECTION_UP,
176   GESTURE_DIRECTION_DOWN,
177   GESTURE_DIRECTION_LEFT,
178   GESTURE_DIRECTION_RIGHT,
179   GESTURE_DIRECTION_UP_RETURN,
180   GESTURE_DIRECTION_DOWN_RETURN,
181   GESTURE_DIRECTION_LEFT_RETURN,
182   GESTURE_DIRECTION_RIGHT_RETURN
183 };
184 struct GestureDirectionTable
185 {
186         const char* name;
187         const GestureDirection direction;
188 };
189 GestureDirectionTable ElDBusAccessibilityDirectionStrings[] =
190 {
191   { "Up",           GESTURE_DIRECTION_UP           },
192   { "Down",         GESTURE_DIRECTION_DOWN         },
193   { "Left",         GESTURE_DIRECTION_LEFT         },
194   { "Right",        GESTURE_DIRECTION_RIGHT        },
195   { "UpReturn",     GESTURE_DIRECTION_UP_RETURN    },
196   { "DownReturn",   GESTURE_DIRECTION_DOWN_RETURN  },
197   { "LeftReturn",   GESTURE_DIRECTION_LEFT_RETURN  },
198   { "RightReturn",  GESTURE_DIRECTION_RIGHT_RETURN }
199 };
200 const unsigned int DirectionStringsTotal = sizeof( ElDBusAccessibilityDirectionStrings ) / sizeof( ElDBusAccessibilityDirectionStrings[0] );
201 #endif // DALI_ELDBUS_AVAILABLE
202
203 /**
204  * Ecore_Event_Modifier enums in Ecore_Input.h do not match Ecore_IMF_Keyboard_Modifiers in Ecore_IMF.h.
205  * This function converts from Ecore_Event_Modifier to Ecore_IMF_Keyboard_Modifiers enums.
206  * @param[in] ecoreModifier the Ecore_Event_Modifier input.
207  * @return the Ecore_IMF_Keyboard_Modifiers output.
208  */
209 Ecore_IMF_Keyboard_Modifiers EcoreInputModifierToEcoreIMFModifier(unsigned int ecoreModifier)
210 {
211    int modifier( ECORE_IMF_KEYBOARD_MODIFIER_NONE );  // If no other matches returns NONE.
212
213
214    if ( ecoreModifier & ECORE_EVENT_MODIFIER_SHIFT )  // enums from ecore_input/Ecore_Input.h
215    {
216      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_SHIFT;  // enums from ecore_imf/ecore_imf.h
217    }
218
219    if ( ecoreModifier & ECORE_EVENT_MODIFIER_ALT )
220    {
221      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_ALT;
222    }
223
224    if ( ecoreModifier & ECORE_EVENT_MODIFIER_CTRL )
225    {
226      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_CTRL;
227    }
228
229    if ( ecoreModifier & ECORE_EVENT_MODIFIER_WIN )
230    {
231      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_WIN;
232    }
233
234    if ( ecoreModifier & ECORE_EVENT_MODIFIER_ALTGR )
235    {
236      modifier |= ECORE_IMF_KEYBOARD_MODIFIER_ALTGR;
237    }
238
239    return static_cast<Ecore_IMF_Keyboard_Modifiers>( modifier );
240 }
241
242
243 // Copied from x server
244 static unsigned int GetCurrentMilliSeconds(void)
245 {
246   struct timeval tv;
247
248   struct timespec tp;
249   static clockid_t clockid;
250
251   if (!clockid)
252   {
253 #ifdef CLOCK_MONOTONIC_COARSE
254     if (clock_getres(CLOCK_MONOTONIC_COARSE, &tp) == 0 &&
255       (tp.tv_nsec / 1000) <= 1000 && clock_gettime(CLOCK_MONOTONIC_COARSE, &tp) == 0)
256     {
257       clockid = CLOCK_MONOTONIC_COARSE;
258     }
259     else
260 #endif
261     if (clock_gettime(CLOCK_MONOTONIC, &tp) == 0)
262     {
263       clockid = CLOCK_MONOTONIC;
264     }
265     else
266     {
267       clockid = ~0L;
268     }
269   }
270   if (clockid != ~0L && clock_gettime(clockid, &tp) == 0)
271   {
272     return (tp.tv_sec * 1000) + (tp.tv_nsec / 1000000L);
273   }
274
275   gettimeofday(&tv, NULL);
276   return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
277 }
278
279 } // unnamed namespace
280
281 // Impl to hide EFL implementation.
282 struct EventHandler::Impl
283 {
284   // Construction & Destruction
285
286   /**
287    * Constructor
288    */
289   Impl( EventHandler* handler, Ecore_X_Window window )
290   : mHandler( handler ),
291     mEcoreEventHandler(),
292     mWindow( window ),
293     mXiDeviceId( 0 )
294   {
295     // Only register for touch and key events if we have a window
296     if ( window != 0 )
297     {
298       // Register Touch events
299       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_BUTTON_DOWN,  EcoreEventMouseButtonDown, handler ) );
300       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_BUTTON_UP,    EcoreEventMouseButtonUp,   handler ) );
301       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_MOVE,         EcoreEventMouseButtonMove, handler ) );
302       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_OUT,          EcoreEventMouseButtonUp,   handler ) ); // process mouse out event like up event
303
304       // Register Mouse wheel events
305       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_MOUSE_WHEEL,        EcoreEventMouseWheel,      handler ) );
306
307       // Register Key events
308       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_KEY_DOWN,           EcoreEventKeyDown,         handler ) );
309       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_EVENT_KEY_UP,             EcoreEventKeyUp,           handler ) );
310
311       // Register Focus events
312       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_WINDOW_FOCUS_IN,  EcoreEventWindowFocusIn,   handler ) );
313       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_WINDOW_FOCUS_OUT, EcoreEventWindowFocusOut,  handler ) );
314
315       // Register Window damage events
316       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_WINDOW_DAMAGE,    EcoreEventWindowDamaged, handler ) );
317
318       // Enable Drag & Drop and register DnD events
319       ecore_x_dnd_aware_set( window, EINA_TRUE );
320       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_ENTER,       EcoreEventDndEnter,            handler) );
321       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_POSITION,    EcoreEventDndPosition,         handler) );
322       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_LEAVE,       EcoreEventDndLeave,            handler) );
323       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_DROP,        EcoreEventDndDrop,             handler) );
324       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_FINISHED,    EcoreEventDndFinished,         handler) );
325       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_XDND_STATUS,      EcoreEventDndStatus,           handler) );
326
327       // Register Client message events - accessibility etc.
328       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_CLIENT_MESSAGE,  EcoreEventClientMessage, handler ) );
329
330       // Register Selection event - clipboard selection, Drag & Drop selection etc.
331       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_SELECTION_CLEAR, EcoreEventSelectionClear, handler ) );
332       mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_SELECTION_NOTIFY, EcoreEventSelectionNotify, handler ) );
333
334       // Initialize Xi2 system
335       Display* display = static_cast< Display* >(ecore_x_display_get());
336       Ecore_X_Window rootWindow = ecore_x_window_root_first_get();
337       int opcode = 0, event = 0, error = 0;
338       int major = XI_2_Major;
339       int minor = XI_2_Minor;
340       int deviceCount = 0;
341       XIEventMask xiEventMask;
342
343       // Check if X input extension available
344       if( XQueryExtension( display, "XInputExtension", &opcode, &event, &error ) )
345       {
346         // We support version 2.0
347         if( XIQueryVersion( display, &major, &minor ) != BadRequest )
348         {
349           xiEventMask.deviceid = XIAllDevices;
350
351           // Check device id
352           bool match = false;
353           XIDeviceInfo* deviceInfo = NULL;
354           deviceInfo = XIQueryDevice( display, XIAllDevices, &deviceCount );
355
356           for( int i = 0; i < deviceCount; i++ )
357           {
358             if( !strncmp( deviceInfo[i].name, DETENT_DEVICE_NAME, strlen( DETENT_DEVICE_NAME ) ) )
359             {
360               xiEventMask.deviceid = deviceInfo[i].deviceid;
361               match = true;
362               break;
363             }
364           }
365
366           if( match )
367           {
368             mXiDeviceId = xiEventMask.deviceid;
369
370             // SelectXi2Event
371             xiEventMask.mask = (unsigned char*)(calloc( 1, XIMaskLen( XI_LASTEVENT ) ) );
372             XISetMask( xiEventMask.mask, XI_RawMotion );
373
374             xiEventMask.mask_len = sizeof( xiEventMask.mask );
375
376             int ret = XISelectEvents( display, rootWindow, &xiEventMask, 1 );
377             if( ret == 0 )
378             {
379               // Register custom wheel events
380               mEcoreEventHandler.push_back( ecore_event_handler_add( ECORE_X_EVENT_GENERIC, EcoreEventCustomWheel, handler ) );
381             }
382             else
383             {
384               DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to Select Events\n" );
385             }
386
387             free( xiEventMask.mask );
388
389             if( deviceInfo != NULL )
390             {
391               XIFreeDeviceInfo( deviceInfo );
392             }
393           }
394         }
395         else
396         {
397           DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to query XI Version\n" );
398         }
399       }
400       else
401       {
402         DALI_LOG_INFO( gImfLogging, Debug::General, "Failed to query XInputExtension\n" );
403       }
404
405 #ifndef DALI_PROFILE_UBUNTU
406       // Register Vconf notify - font name, font size and style
407       vconf_notify_key_changed( DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME, VconfNotifyFontNameChanged, handler );
408       vconf_notify_key_changed( VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_SIZE, VconfNotifyFontSizeChanged, handler );
409 #endif // DALI_PROFILE_UBUNTU
410
411 #ifdef DALI_ELDBUS_AVAILABLE
412
413       // Initialize ElDBus.
414       DALI_LOG_INFO( gImfLogging, Debug::General, "Starting DBus Initialization" );
415       eldbus_init();
416
417       Eldbus_Connection *sessionConnection;
418       sessionConnection = eldbus_connection_get( ELDBUS_CONNECTION_TYPE_SESSION );
419
420       Eldbus_Object *a11yObject = eldbus_object_get( sessionConnection, A11Y_BUS, A11Y_PATH );
421       Eldbus_Proxy *elDBusManager = eldbus_proxy_get( a11yObject, A11Y_INTERFACE );
422
423       // Pass in handler in the cb_data field so we can access the accessibility adaptor within the callback.
424       eldbus_proxy_call( elDBusManager, A11Y_GET_ADDRESS, EcoreElDBusInitialisation, handler, -1, "" );
425
426       DALI_LOG_INFO( gImfLogging, Debug::General, "Finished DBus Initialization" );
427
428 #endif // DALI_ELDBUS_AVAILABLE
429     }
430   }
431
432   /**
433    * Destructor
434    */
435   ~Impl()
436   {
437 #ifndef DALI_PROFILE_UBUNTU
438     vconf_ignore_key_changed( VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_SIZE, VconfNotifyFontSizeChanged );
439     vconf_ignore_key_changed( DALI_VCONFKEY_SETAPPL_ACCESSIBILITY_FONT_NAME, VconfNotifyFontNameChanged );
440 #endif // DALI_PROFILE_UBUNTU
441
442     for( std::vector<Ecore_Event_Handler*>::iterator iter = mEcoreEventHandler.begin(), endIter = mEcoreEventHandler.end(); iter != endIter; ++iter )
443     {
444       ecore_event_handler_del( *iter );
445     }
446
447 #ifdef DALI_ELDBUS_AVAILABLE
448     // Close down ElDBus
449     eldbus_shutdown();
450 #endif // DALI_ELDBUS_AVAILABLE
451   }
452
453   // Static methods
454
455   /////////////////////////////////////////////////////////////////////////////////////////////////
456   // Touch Callbacks
457   /////////////////////////////////////////////////////////////////////////////////////////////////
458
459   /**
460    * Called when a touch down is received.
461    */
462   static Eina_Bool EcoreEventMouseButtonDown( void* data, int type, void* event )
463   {
464     Ecore_Event_Mouse_Button *touchEvent( (Ecore_Event_Mouse_Button*)event );
465     EventHandler* handler( (EventHandler*)data );
466
467     if ( touchEvent->window == handler->mImpl->mWindow )
468     {
469       TouchPoint::State state ( TouchPoint::Down );
470
471       // Check if the buttons field is set and ensure it's the primary touch button.
472       // If this event was triggered by buttons other than the primary button (used for touch), then
473       // just send an interrupted event to Core.
474       if ( touchEvent->buttons && (touchEvent->buttons != PRIMARY_TOUCH_BUTTON_ID ) )
475       {
476         state = TouchPoint::Interrupted;
477       }
478
479       TouchPoint point( touchEvent->multi.device, state, touchEvent->x, touchEvent->y );
480       handler->SendEvent( point, touchEvent->timestamp );
481     }
482
483     return ECORE_CALLBACK_PASS_ON;
484   }
485
486   /**
487    * Called when a touch up is received.
488    */
489   static Eina_Bool EcoreEventMouseButtonUp( void* data, int type, void* event )
490   {
491     Ecore_Event_Mouse_Button *touchEvent( (Ecore_Event_Mouse_Button*)event );
492     EventHandler* handler( (EventHandler*)data );
493
494     if ( touchEvent->window == handler->mImpl->mWindow )
495     {
496       TouchPoint point( touchEvent->multi.device, TouchPoint::Up, touchEvent->x, touchEvent->y );
497       handler->SendEvent( point, touchEvent->timestamp );
498     }
499
500     return ECORE_CALLBACK_PASS_ON;
501   }
502
503   /**
504    * Called when a touch motion is received.
505    */
506   static Eina_Bool EcoreEventMouseButtonMove( void* data, int type, void* event )
507   {
508     Ecore_Event_Mouse_Move *touchEvent( (Ecore_Event_Mouse_Move*)event );
509     EventHandler* handler( (EventHandler*)data );
510
511     if ( touchEvent->window == handler->mImpl->mWindow )
512     {
513       TouchPoint point( touchEvent->multi.device, TouchPoint::Motion, touchEvent->x, touchEvent->y );
514       handler->SendEvent( point, touchEvent->timestamp );
515     }
516
517     return ECORE_CALLBACK_PASS_ON;
518   }
519
520   /////////////////////////////////////////////////////////////////////////////////////////////////
521   // Wheel Callbacks
522   /////////////////////////////////////////////////////////////////////////////////////////////////
523
524   /**
525    * Called when a mouse wheel is received.
526    */
527   static Eina_Bool EcoreEventMouseWheel( void* data, int type, void* event )
528   {
529     Ecore_Event_Mouse_Wheel *mouseWheelEvent( (Ecore_Event_Mouse_Wheel*)event );
530
531     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 );
532
533     EventHandler* handler( (EventHandler*)data );
534     if ( mouseWheelEvent->window == handler->mImpl->mWindow )
535     {
536       WheelEvent wheelEvent( WheelEvent::MOUSE_WHEEL, mouseWheelEvent->direction, mouseWheelEvent->modifiers, Vector2(mouseWheelEvent->x, mouseWheelEvent->y), mouseWheelEvent->z, mouseWheelEvent->timestamp );
537       handler->SendWheelEvent( wheelEvent );
538     }
539     return ECORE_CALLBACK_PASS_ON;
540   }
541
542   /**
543    * Called when a custom wheel is received.
544    */
545   static Eina_Bool EcoreEventCustomWheel( void* data, int type, void* event )
546   {
547     Ecore_X_Event_Generic *genericEvent( (Ecore_X_Event_Generic*)event );
548     EventHandler* handler( (EventHandler*)data );
549
550     switch( genericEvent->evtype )
551     {
552       case XI_RawMotion:
553       {
554         XIRawEvent* xiRawEvent = static_cast< XIRawEvent* >( genericEvent->data );
555         unsigned int timeStamp = 0;
556
557         if( xiRawEvent->deviceid != handler->mImpl->mXiDeviceId )
558         {
559           return ECORE_CALLBACK_PASS_ON;
560         }
561
562         // X(0): rotate: NOT USED
563         // Y(1): timestamp
564         // Z(2): direction
565
566         double* value = xiRawEvent->raw_values;
567
568         if( XIMaskIsSet( xiRawEvent->valuators.mask, 1) )
569         {
570           timeStamp = static_cast< unsigned int >( *(value + 1) );
571         }
572
573         if( XIMaskIsSet( xiRawEvent->valuators.mask, 2) )
574         {
575           // if z == 1, clockwise
576           // otherwise counter-clockwise
577           int z = static_cast< int >( *(value + 2) );
578
579           // In DALi, positive value means clockwise, and negative value means counter-clockwise
580           if( z == 0 )
581           {
582             z = -1;
583           }
584
585           DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT EcoreEventCustomWheel: z: %d\n", z );
586
587           WheelEvent wheelEvent( WheelEvent::CUSTOM_WHEEL, 0, 0, Vector2(0.0f, 0.0f), z, timeStamp );
588           handler->SendWheelEvent( wheelEvent );
589         }
590         break;
591       }
592       default:
593       {
594         break;
595       }
596     }
597
598     return ECORE_CALLBACK_PASS_ON;
599   }
600
601   /////////////////////////////////////////////////////////////////////////////////////////////////
602   // Key Callbacks
603   /////////////////////////////////////////////////////////////////////////////////////////////////
604
605   /**
606    * Called when a key down is received.
607    */
608   static Eina_Bool EcoreEventKeyDown( void* data, int type, void* event )
609   {
610     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventKeyDown \n" );
611
612     EventHandler* handler( (EventHandler*)data );
613     Ecore_Event_Key *keyEvent( (Ecore_Event_Key*)event );
614     bool eventHandled( false );
615
616     // If a device key then skip ecore_imf_context_filter_event.
617     if ( ! KeyLookup::IsDeviceButton( keyEvent->keyname ) )
618     {
619       Ecore_IMF_Context* imfContext = NULL;
620       Dali::ImfManager imfManager( ImfManager::Get() );
621       if ( imfManager )
622       {
623         imfContext = reinterpret_cast<Ecore_IMF_Context*>( imfManager.GetContext() );
624       }
625
626       if ( imfContext )
627       {
628         // We're consuming key down event so we have to pass to IMF so that it can parse it as well.
629         Ecore_IMF_Event_Key_Down ecoreKeyDownEvent;
630         ecoreKeyDownEvent.keyname   = keyEvent->keyname;
631         ecoreKeyDownEvent.key       = keyEvent->key;
632         ecoreKeyDownEvent.string    = keyEvent->string;
633         ecoreKeyDownEvent.compose   = keyEvent->compose;
634         ecoreKeyDownEvent.timestamp = keyEvent->timestamp;
635         ecoreKeyDownEvent.modifiers = EcoreInputModifierToEcoreIMFModifier ( keyEvent->modifiers );
636         ecoreKeyDownEvent.locks     = (Ecore_IMF_Keyboard_Locks) ECORE_IMF_KEYBOARD_LOCK_NONE;
637
638         eventHandled = ecore_imf_context_filter_event( imfContext,
639                                                        ECORE_IMF_EVENT_KEY_DOWN,
640                                                        (Ecore_IMF_Event *) &ecoreKeyDownEvent );
641
642         // If the event has not been handled by IMF then check if we should reset our IMF context
643         if( !eventHandled )
644         {
645           if ( !strcmp( keyEvent->keyname, "Escape"   ) ||
646                !strcmp( keyEvent->keyname, "Return"   ) ||
647                !strcmp( keyEvent->keyname, "KP_Enter" ) )
648           {
649             ecore_imf_context_reset( imfContext );
650           }
651         }
652       }
653     }
654
655     // If the event wasn't handled then we should send a key event.
656     if ( !eventHandled )
657     {
658       if ( keyEvent->window == handler->mImpl->mWindow )
659       {
660         std::string keyName( keyEvent->keyname );
661         std::string keyString( "" );
662         int keyCode = ecore_x_keysym_keycode_get(keyEvent->keyname);
663         int modifier( keyEvent->modifiers );
664         unsigned long time = keyEvent->timestamp;
665
666         // Ensure key event string is not NULL as keys like SHIFT have a null string.
667         if ( keyEvent->string )
668         {
669           keyString = keyEvent->string;
670         }
671
672         KeyEvent keyEvent(keyName, keyString, keyCode, modifier, time, KeyEvent::Down);
673         handler->SendEvent( keyEvent );
674       }
675     }
676
677     return ECORE_CALLBACK_PASS_ON;
678   }
679
680   /**
681    * Called when a key up is received.
682    */
683   static Eina_Bool EcoreEventKeyUp( void* data, int type, void* event )
684   {
685     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventKeyUp \n" );
686
687     EventHandler* handler( (EventHandler*)data );
688     Ecore_Event_Key *keyEvent( (Ecore_Event_Key*)event );
689     bool eventHandled( false );
690
691     // XF86Stop and XF86Send must skip ecore_imf_context_filter_event.
692     if ( strcmp( keyEvent->keyname, "XF86Send"  ) &&
693          strcmp( keyEvent->keyname, "XF86Phone" ) &&
694          strcmp( keyEvent->keyname, "XF86Stop"  ) )
695     {
696       Ecore_IMF_Context* imfContext = NULL;
697       Dali::ImfManager imfManager( ImfManager::Get() );
698       if ( imfManager )
699       {
700         imfContext = reinterpret_cast<Ecore_IMF_Context*>( imfManager.GetContext() );
701       }
702
703       if ( imfContext )
704       {
705         // We're consuming key up event so we have to pass to IMF so that it can parse it as well.
706         Ecore_IMF_Event_Key_Up ecoreKeyUpEvent;
707         ecoreKeyUpEvent.keyname   = keyEvent->keyname;
708         ecoreKeyUpEvent.key       = keyEvent->key;
709         ecoreKeyUpEvent.string    = keyEvent->string;
710         ecoreKeyUpEvent.compose   = keyEvent->compose;
711         ecoreKeyUpEvent.timestamp = keyEvent->timestamp;
712         ecoreKeyUpEvent.modifiers = EcoreInputModifierToEcoreIMFModifier ( keyEvent->modifiers );
713         ecoreKeyUpEvent.locks     = (Ecore_IMF_Keyboard_Locks) ECORE_IMF_KEYBOARD_LOCK_NONE;
714
715         eventHandled = ecore_imf_context_filter_event( imfContext,
716                                                        ECORE_IMF_EVENT_KEY_UP,
717                                                        (Ecore_IMF_Event *) &ecoreKeyUpEvent );
718       }
719     }
720
721     // If the event wasn't handled then we should send a key event.
722     if ( !eventHandled )
723     {
724       if ( keyEvent->window == handler->mImpl->mWindow )
725       {
726         std::string keyName( keyEvent->keyname );
727         std::string keyString( "" );
728         int keyCode = ecore_x_keysym_keycode_get(keyEvent->keyname);
729         int modifier( keyEvent->modifiers );
730         unsigned long time( keyEvent->timestamp );
731
732         // Ensure key event string is not NULL as keys like SHIFT have a null string.
733         if ( keyEvent->string )
734         {
735           keyString = keyEvent->string;
736         }
737
738         KeyEvent keyEvent(keyName, keyString, keyCode, modifier, time, KeyEvent::Up);
739         handler->SendEvent( keyEvent );
740
741       }
742     }
743
744     return ECORE_CALLBACK_PASS_ON;
745   }
746
747   /////////////////////////////////////////////////////////////////////////////////////////////////
748   // Window Callbacks
749   /////////////////////////////////////////////////////////////////////////////////////////////////
750
751   /**
752    * Called when the window gains focus.
753    */
754   static Eina_Bool EcoreEventWindowFocusIn( void* data, int type, void* event )
755   {
756     Ecore_X_Event_Window_Focus_In* focusInEvent( (Ecore_X_Event_Window_Focus_In*)event );
757     EventHandler* handler( (EventHandler*)data );
758
759     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusIn \n" );
760
761     // If the window gains focus and we hid the keyboard then show it again.
762     if ( focusInEvent->win == handler->mImpl->mWindow )
763     {
764       DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT EcoreEventWindowFocusIn - >>WindowFocusGained \n" );
765
766       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
767       {
768         Dali::ImfManager imfManager( ImfManager::Get() );
769         if ( imfManager )
770         {
771           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
772           if( imfManagerImpl.RestoreAfterFocusLost() )
773           {
774             imfManagerImpl.Activate();
775           }
776         }
777       }
778       // No need to connect callbacks as KeyboardStatusChanged will be called.
779     }
780
781     return ECORE_CALLBACK_PASS_ON;
782   }
783
784   /**
785    * Called when the window loses focus.
786    */
787   static Eina_Bool EcoreEventWindowFocusOut( void* data, int type, void* event )
788   {
789     Ecore_X_Event_Window_Focus_Out* focusOutEvent( (Ecore_X_Event_Window_Focus_Out*)event );
790     EventHandler* handler( (EventHandler*)data );
791
792     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusOut \n" );
793
794     // If the window loses focus then hide the keyboard.
795     if ( focusOutEvent->win == handler->mImpl->mWindow )
796     {
797       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
798       {
799         Dali::ImfManager imfManager( ImfManager::Get() );
800         if ( imfManager )
801         {
802           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
803           if( imfManagerImpl.RestoreAfterFocusLost() )
804           {
805             imfManagerImpl.Deactivate();
806           }
807         }
808       }
809
810       // Clipboard don't support that whether clipboard is shown or not. Hide clipboard.
811       Dali::Clipboard clipboard = Clipboard::Get();
812       clipboard.HideClipboard();
813     }
814
815     return ECORE_CALLBACK_PASS_ON;
816   }
817
818   /**
819    * Called when the window is damaged.
820    */
821   static Eina_Bool EcoreEventWindowDamaged(void *data, int type, void *event)
822   {
823     Ecore_X_Event_Window_Damage* windowDamagedEvent( (Ecore_X_Event_Window_Damage*)event );
824     EventHandler* handler( (EventHandler*)data );
825
826     if( windowDamagedEvent->win == handler->mImpl->mWindow )
827     {
828       DamageArea area;
829       area.x = windowDamagedEvent->x;
830       area.y = windowDamagedEvent->y;
831       area.width = windowDamagedEvent->w;
832       area.height = windowDamagedEvent->h;
833
834       handler->SendEvent( area );
835     }
836
837     return ECORE_CALLBACK_PASS_ON;
838   }
839
840   /**
841    * Called when the window properties are changed.
842    * We are only interested in the font change.
843    */
844
845
846   /////////////////////////////////////////////////////////////////////////////////////////////////
847   // Drag & Drop Callbacks
848   /////////////////////////////////////////////////////////////////////////////////////////////////
849
850   /**
851    * Called when a dragged item enters our window's bounds.
852    * This is when items are dragged INTO our window.
853    */
854   static Eina_Bool EcoreEventDndEnter( void* data, int type, void* event )
855   {
856     DALI_LOG_INFO( gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndEnter\n" );
857
858     Ecore_X_Event_Xdnd_Enter* enterEvent( (Ecore_X_Event_Xdnd_Enter*) event );
859     EventHandler* handler( (EventHandler*)data );
860     Ecore_X_Window window ( handler->mImpl->mWindow );
861
862     if ( enterEvent->win == window )
863     {
864       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
865
866       // Check whether the Drag & Drop detector has Drag & Drop behaviour enabled before we accept.
867       if ( dndDetector && dndDetector->IsEnabled() )
868       {
869         // Tell Ecore that we want to enable drop in the entire window.
870         Ecore_X_Rectangle rect;
871         rect.x = rect.y = 0;
872         ecore_x_window_geometry_get( window, NULL, NULL, (int*)&rect.width, (int*)&rect.height );
873
874         // Tell Ecore that we are able to process a drop.
875         ecore_x_dnd_send_status( EINA_TRUE, EINA_FALSE, rect, ECORE_X_ATOM_XDND_DROP );
876
877         // Register the required atoms and types.
878         ecore_x_dnd_actions_set( window, DRAG_AND_DROP_ATOMS, DRAG_AND_DROP_ATOMS_NUMBER );
879         ecore_x_dnd_types_set(   window, DRAG_AND_DROP_TYPES, DRAG_AND_DROP_TYPES_NUMBER );
880
881         // Request to get the content from Ecore.
882         ecore_x_selection_xdnd_request( window, ECORE_X_SELECTION_TARGET_UTF8_STRING );
883
884         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndEnter: Requesting Drag & Drop\n" );
885
886         // Clear the previous content
887         dndDetector->ClearContent();
888
889         // Emit the entered signal
890         dndDetector->EmitEnteredSignal();
891       }
892     }
893
894     return ECORE_CALLBACK_PASS_ON;
895   }
896
897   /**
898    * Called when a dragged item is moved within our window.
899    * This is when items are dragged INTO our window.
900    */
901   static Eina_Bool EcoreEventDndPosition( void* data, int type, void* event )
902   {
903     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndPosition\n" );
904
905     Ecore_X_Event_Xdnd_Position* positionEvent( (Ecore_X_Event_Xdnd_Position*) event );
906     EventHandler* handler( (EventHandler*)data );
907
908     if ( positionEvent->win == handler->mImpl->mWindow )
909     {
910       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
911
912       // If we have a detector then update its latest position.
913       if ( dndDetector )
914       {
915         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndPosition: position ( %d x %d )\n", positionEvent->position.x, positionEvent->position.y );
916         dndDetector->SetPosition( Vector2( positionEvent->position.x, positionEvent->position.y ));
917         dndDetector->EmitMovedSignal();
918       }
919     }
920
921     return ECORE_CALLBACK_PASS_ON;
922   }
923
924   /**
925    * Called when a dragged item leaves our window's bounds.
926    * This is when items are dragged INTO our window.
927    */
928   static Eina_Bool EcoreEventDndLeave( void* data, int type, void* event )
929   {
930     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndLeave\n" );
931
932     Ecore_X_Event_Xdnd_Leave* leaveEvent( (Ecore_X_Event_Xdnd_Leave*) event );
933     EventHandler* handler( (EventHandler*)data );
934
935     if ( leaveEvent->win == handler->mImpl->mWindow )
936     {
937       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
938
939       // If we have a detector then clear its content and emit the exited-signal. Also tell Ecore that we have finished.
940       if ( dndDetector )
941       {
942         dndDetector->ClearContent();
943         dndDetector->EmitExitedSignal();
944
945         ecore_x_dnd_send_finished();
946
947         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndLeave: Finished\n" );
948       }
949     }
950
951     return ECORE_CALLBACK_PASS_ON;
952   }
953
954   /**
955    * Called when the dragged item is dropped within our window's bounds.
956    * This is when items are dragged INTO our window.
957    */
958   static Eina_Bool EcoreEventDndDrop( void* data, int type, void* event )
959   {
960     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndDrop\n" );
961
962     Ecore_X_Event_Xdnd_Drop* dropEvent ( (Ecore_X_Event_Xdnd_Drop*) event);
963     EventHandler* handler( (EventHandler*)data );
964
965     if ( dropEvent->win == handler->mImpl->mWindow )
966     {
967       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
968
969       // Something has been dropped, inform the detector (if we have one) and tell Ecore that we have finished.
970       if ( dndDetector )
971       {
972         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: position ( %d x %d )\n", dropEvent->position.x, dropEvent->position.y );
973
974         dndDetector->SetPosition( Vector2( dropEvent->position.x, dropEvent->position.y ) );
975         dndDetector->EmitDroppedSignal();
976         ecore_x_dnd_send_finished();
977
978         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: Finished\n" );
979       }
980     }
981
982     return ECORE_CALLBACK_PASS_ON;
983   }
984
985   /**
986    * Called when a dragged item is moved from our window and the target window has done processing it.
987    * This is when items are dragged FROM our window.
988    */
989   static Eina_Bool EcoreEventDndFinished( void* data, int type, void* event )
990   {
991     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndFinished\n" );
992     return ECORE_CALLBACK_PASS_ON;
993   }
994
995   /**
996    * Called when a dragged item is moved from our window and the target window has sent us a status.
997    * This is when items are dragged FROM our window.
998    */
999   static Eina_Bool EcoreEventDndStatus( void* data, int type, void* event )
1000   {
1001     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndStatus\n" );
1002     return ECORE_CALLBACK_PASS_ON;
1003   }
1004
1005   /**
1006    * Called when the client messages (i.e. the accessibility events) are received.
1007    */
1008   static Eina_Bool EcoreEventClientMessage( void* data, int type, void* event )
1009   {
1010 #ifndef DALI_PROFILE_UBUNTU
1011     Ecore_X_Event_Client_Message* clientMessageEvent( (Ecore_X_Event_Client_Message*)event );
1012     EventHandler* handler( (EventHandler*)data );
1013
1014     if (clientMessageEvent->message_type == ECORE_X_ATOM_E_ILLUME_ACCESS_CONTROL)
1015     {
1016       if ( ( (unsigned int)clientMessageEvent->data.l[0] == handler->mImpl->mWindow ) && handler->mAccessibilityAdaptor )
1017       {
1018         AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1019
1020         if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_SCROLL)
1021         {
1022           // 2 finger touch & move, 2 finger flick
1023
1024           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1025           // x : e->data.l[3]
1026           // y : e->data.l[4]
1027           TouchPoint::State state(TouchPoint::Down);
1028
1029           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1030           {
1031             state = TouchPoint::Down; // mouse down
1032           }
1033           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1034           {
1035             state = TouchPoint::Motion; // mouse move
1036           }
1037           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1038           {
1039             state = TouchPoint::Up; // mouse up
1040           }
1041           else
1042           {
1043             state = TouchPoint::Interrupted; // error
1044           }
1045
1046           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1047             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1048             (unsigned int)clientMessageEvent->data.l[2],
1049             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1050
1051           // Send touch event to accessibility adaptor.
1052           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1053
1054           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1055           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1056         }
1057         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_MOUSE)
1058         {
1059           // 1 finger double tap and hold
1060
1061           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1062           // x : e->data.l[3]
1063           // y : e->data.l[4]
1064           TouchPoint::State state(TouchPoint::Down);
1065
1066           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1067           {
1068             state = TouchPoint::Down; // mouse down
1069           }
1070           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1071           {
1072             state = TouchPoint::Motion; // mouse move
1073           }
1074           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1075           {
1076             state = TouchPoint::Up; // mouse up
1077           }
1078           else
1079           {
1080             state = TouchPoint::Interrupted; // error
1081           }
1082
1083           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1084             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1085             (unsigned int)clientMessageEvent->data.l[2],
1086             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1087
1088           // Send touch event to accessibility adaptor.
1089           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1090
1091           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1092           accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1093         }
1094         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_BACK)
1095         {
1096           // 2 finger circle draw, do back
1097           accessibilityAdaptor->HandleActionBackEvent();
1098         }
1099         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_NEXT)
1100         {
1101           // one finger flick down
1102           // focus next object
1103           if(accessibilityAdaptor)
1104           {
1105             accessibilityAdaptor->HandleActionNextEvent();
1106           }
1107         }
1108         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_PREV)
1109         {
1110           // one finger flick up
1111           // focus previous object
1112           if(accessibilityAdaptor)
1113           {
1114             accessibilityAdaptor->HandleActionPreviousEvent();
1115           }
1116         }
1117         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ACTIVATE)
1118         {
1119           // one finger double tap
1120           // same as one finger tap in normal mode (i.e. execute focused actor)
1121           if(accessibilityAdaptor)
1122           {
1123             accessibilityAdaptor->HandleActionActivateEvent();
1124           }
1125         }
1126         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ)
1127         {
1128           // one finger tap
1129           // focus & read an actor at ( e->data.l[2], e->data.l[3] ) position according to finger
1130           if(accessibilityAdaptor)
1131           {
1132             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[2], (unsigned int)clientMessageEvent->data.l[3], true /* allow read again*/);
1133           }
1134         }
1135 #if defined(DALI_PROFILE_MOBILE)
1136         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_OVER)
1137         {
1138           // one finger tap & move
1139           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1140           // x : e->data.l[3]
1141           // y : e->data.l[4]
1142           // focus & read an actor at (x, y) position according to finger
1143           if(accessibilityAdaptor && (unsigned int)clientMessageEvent->data.l[2] == 1 /*only work for move event*/)
1144           {
1145             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4], false /* not allow read again*/);
1146           }
1147         }
1148 #endif
1149         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_NEXT)
1150         {
1151           // one finger flick right
1152           // focus next object
1153            if(accessibilityAdaptor)
1154           {
1155             accessibilityAdaptor->HandleActionReadNextEvent();
1156           }
1157         }
1158         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_PREV)
1159         {
1160           // one finger flick left
1161           // focus previous object
1162           if(accessibilityAdaptor)
1163           {
1164             accessibilityAdaptor->HandleActionReadPreviousEvent();
1165           }
1166         }
1167         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_UP)
1168         {
1169           // double down and move (right, up)
1170           // change slider value
1171           if(accessibilityAdaptor)
1172           {
1173             accessibilityAdaptor->HandleActionUpEvent();
1174           }
1175         }
1176         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DOWN)
1177         {
1178           // double down and move (left, down)
1179           // change slider value
1180           if(accessibilityAdaptor)
1181           {
1182             accessibilityAdaptor->HandleActionDownEvent();
1183           }
1184         }
1185         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ENABLE)
1186         {
1187            if(accessibilityAdaptor)
1188           {
1189             accessibilityAdaptor->HandleActionEnableEvent();
1190           }
1191         }
1192         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DISABLE)
1193         {
1194           if(accessibilityAdaptor)
1195           {
1196             accessibilityAdaptor->HandleActionDisableEvent();
1197           }
1198         }
1199         // TODO: some more actions could be added later
1200       }
1201     }
1202     else if(clientMessageEvent->message_type == ecore_x_atom_get(CLIPBOARD_ATOM))
1203     {
1204       std::string message(clientMessageEvent->data.b);
1205       if( message == CLIPBOARD_SET_OWNER_MESSAGE)
1206       {
1207         // Claim the ownership of the SECONDARY selection.
1208         ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1209
1210         // Show the clipboard window
1211         Dali::Clipboard clipboard = Dali::Clipboard::Get();
1212         clipboard.ShowClipboard();
1213       }
1214     }
1215     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_PREPARE )
1216     {
1217       RotationEvent rotationEvent;
1218       rotationEvent.angle      = static_cast<int>(clientMessageEvent->data.l[1]);
1219       rotationEvent.winResize  = static_cast<int>(clientMessageEvent->data.l[2]);
1220       rotationEvent.width      = static_cast<int>(clientMessageEvent->data.l[3]);
1221       rotationEvent.height     = static_cast<int>(clientMessageEvent->data.l[4]);
1222       handler->SendRotationPrepareEvent( rotationEvent );
1223     }
1224     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_REQUEST )
1225     {
1226       handler->SendRotationRequestEvent();
1227     }
1228
1229 #endif // DALI_PROFILE_UBUNTU
1230     return ECORE_CALLBACK_PASS_ON;
1231   }
1232
1233
1234   /////////////////////////////////////////////////////////////////////////////////////////////////
1235   // ElDBus Accessibility Callbacks
1236   /////////////////////////////////////////////////////////////////////////////////////////////////
1237
1238 #ifdef DALI_ELDBUS_AVAILABLE
1239   // Callback for Ecore ElDBus accessibility events.
1240   static void OnEcoreElDBusAccessibilityNotification( void *context EINA_UNUSED, const Eldbus_Message *message )
1241   {
1242     EventHandler* handler( (EventHandler*)context );
1243
1244     if ( !handler->mAccessibilityAdaptor )
1245     {
1246       DALI_LOG_ERROR( "Invalid accessibility adaptor\n" );
1247       return;
1248     }
1249
1250     AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1251     if ( !accessibilityAdaptor )
1252     {
1253       DALI_LOG_ERROR( "Cannot access accessibility adaptor\n" );
1254       return;
1255     }
1256
1257     const char *gestureName;
1258     int xS, yS, xE, yE;
1259     unsigned int state;
1260
1261     // The string defines the arg-list's respective types.
1262     if( !eldbus_message_arguments_get( message, "siiiiu", &gestureName, &xS, &yS, &xE, &yE, &state ) )
1263     {
1264       DALI_LOG_ERROR( "OnEcoreElDBusAccessibilityNotification: Error getting arguments\n" );
1265     }
1266
1267     DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Name: %s  Args: %d,%d,%d,%d  State: %d\n", gestureName, xS, yS, xE, yE );
1268
1269     unsigned int fingers = 0;
1270     char* stringPosition = ( char* )gestureName;
1271
1272     // Check how many fingers the gesture uses.
1273     for( unsigned int i = 0; i < FingerCountStringsTotal; ++i )
1274     {
1275       unsigned int matchLength = strlen( ElDBusAccessibilityFingerCountStrings[ i ] );
1276       if( strncmp( gestureName, ElDBusAccessibilityFingerCountStrings[ i ], matchLength ) == 0 )
1277       {
1278         fingers = i + 1;
1279         stringPosition += matchLength;
1280         break;
1281       }
1282     }
1283
1284     if( fingers == 0 )
1285     {
1286       // Error: invalid gesture.
1287       return;
1288     }
1289
1290     GestureType gestureType = GESTURE_TYPE_NONE;
1291     SubGestureType subGestureType = SUB_GESTURE_TYPE_NONE;
1292     GestureDirection direction = GESTURE_DIRECTION_NONE;
1293
1294     // Check for full gesture type names first.
1295     for( unsigned int i = 0; i < FullEventTypeStringsTotal; ++i )
1296     {
1297       unsigned int matchLength = strlen( ElDBusAccessibilityFullEventTypeStrings[ i ].name );
1298       if( strncmp( stringPosition, ElDBusAccessibilityFullEventTypeStrings[ i ].name, matchLength ) == 0 )
1299       {
1300         gestureType = ElDBusAccessibilityFullEventTypeStrings[ i ].type;
1301         break;
1302       }
1303     }
1304
1305     // If we didn't find a full gesture, check for sub gesture type names.
1306     if( gestureType == GESTURE_TYPE_NONE )
1307     {
1308       // No full gesture name found, look for partial types.
1309       for( unsigned int i = 0; i < DirectionalEventTypeStringsTotal; ++i )
1310       {
1311         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name );
1312         if( strncmp( stringPosition, ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name, matchLength ) == 0 )
1313         {
1314           subGestureType = ElDBusAccessibilityDirectionalEventTypeStrings[ i ].type;
1315           stringPosition += matchLength;
1316         break;
1317         }
1318       }
1319
1320       if( subGestureType == SUB_GESTURE_TYPE_NONE )
1321       {
1322         // ERROR: Gesture not recognised.
1323         return;
1324       }
1325
1326       // If the gesture was a sub type, get it's respective direction.
1327       for( unsigned int i = 0; i < DirectionStringsTotal; ++i )
1328       {
1329         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionStrings[ i ].name );
1330         if( strncmp( stringPosition, ElDBusAccessibilityDirectionStrings[ i ].name, matchLength ) == 0 )
1331         {
1332           direction = ElDBusAccessibilityDirectionStrings[ i ].direction;
1333           stringPosition += matchLength;
1334           break;
1335         }
1336       }
1337
1338       if( direction == GESTURE_DIRECTION_NONE )
1339       {
1340         // ERROR: Gesture not recognised.
1341         return;
1342       }
1343     }
1344
1345     // Action the detected gesture here.
1346     if( gestureType != GESTURE_TYPE_NONE )
1347     {
1348       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture type: %d\n", fingers, gestureType );
1349     }
1350     else
1351     {
1352       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture sub type: %d Gesture direction: %d\n",
1353         fingers, subGestureType, direction );
1354     }
1355
1356     // Create a touch point object.
1357     TouchPoint::State touchPointState( TouchPoint::Down );
1358     if ( state == 0 )
1359     {
1360       touchPointState = TouchPoint::Down; // Mouse down.
1361     }
1362     else if ( state == 1 )
1363     {
1364       touchPointState = TouchPoint::Motion; // Mouse move.
1365     }
1366     else if ( state == 2 )
1367     {
1368       touchPointState = TouchPoint::Up; // Mouse up.
1369     }
1370     else
1371     {
1372       touchPointState = TouchPoint::Interrupted; // Error.
1373     }
1374
1375     // Send touch event to accessibility adaptor.
1376     TouchPoint point( 0, touchPointState, (float)xS, (float)yS );
1377
1378     // Perform actions based on received gestures.
1379     // Note: This is seperated from the reading so we can (in future)
1380     // have other input readers without changing the below code.
1381     switch( fingers )
1382     {
1383       case 1:
1384       {
1385         if( gestureType == GESTURE_TYPE_SINGLE_TAP || ( gestureType == GESTURE_TYPE_HOVER && touchPointState == TouchPoint::Motion ) )
1386         {
1387           // Focus, read out.
1388           accessibilityAdaptor->HandleActionReadEvent( (unsigned int)xS, (unsigned int)yS, true /* allow read again */ );
1389         }
1390         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1391         {
1392           if( false ) // TODO: how to detect double tap + hold?
1393           {
1394             // Move or drag icon / view more options for selected items.
1395             // accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1396           }
1397           else
1398           {
1399             // Activate selected item / active edit mode.
1400             accessibilityAdaptor->HandleActionActivateEvent();
1401           }
1402         }
1403         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1404         {
1405           // Zoom
1406           accessibilityAdaptor->HandleActionZoomEvent();
1407         }
1408         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1409         {
1410           if( direction == GESTURE_DIRECTION_LEFT )
1411           {
1412             // Move to previous item.
1413             accessibilityAdaptor->HandleActionReadPreviousEvent();
1414           }
1415           else if( direction == GESTURE_DIRECTION_RIGHT )
1416           {
1417             // Move to next item.
1418             accessibilityAdaptor->HandleActionReadNextEvent();
1419           }
1420           else if( direction == GESTURE_DIRECTION_UP )
1421           {
1422             // Move to next item.
1423             accessibilityAdaptor->HandleActionPreviousEvent();
1424           }
1425           else if( direction == GESTURE_DIRECTION_DOWN )
1426           {
1427             // Move to next item.
1428             accessibilityAdaptor->HandleActionNextEvent();
1429           }
1430           else if( direction == GESTURE_DIRECTION_LEFT_RETURN )
1431           {
1432             // Scroll up to the previous page
1433             accessibilityAdaptor->HandleActionPageUpEvent();
1434           }
1435           else if( direction == GESTURE_DIRECTION_RIGHT_RETURN )
1436           {
1437             // Scroll down to the next page
1438             accessibilityAdaptor->HandleActionPageDownEvent();
1439           }
1440           else if( direction == GESTURE_DIRECTION_UP_RETURN )
1441           {
1442             // Move to the first item on screen
1443             accessibilityAdaptor->HandleActionMoveToFirstEvent();
1444           }
1445           else if( direction == GESTURE_DIRECTION_DOWN_RETURN )
1446           {
1447             // Move to the last item on screen
1448             accessibilityAdaptor->HandleActionMoveToLastEvent();
1449           }
1450         }
1451         break;
1452       }
1453
1454       case 2:
1455       {
1456         if( gestureType == GESTURE_TYPE_HOVER )
1457         {
1458           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1459           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1460         }
1461         else if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1462         {
1463           // Pause/Resume current speech
1464           accessibilityAdaptor->HandleActionReadPauseResumeEvent();
1465         }
1466         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1467         {
1468           // Start/Stop current action
1469           accessibilityAdaptor->HandleActionStartStopEvent();
1470         }
1471         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1472         {
1473           // Read information from indicator
1474           accessibilityAdaptor->HandleActionReadIndicatorInformationEvent();
1475         }
1476         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1477         {
1478           if( direction == GESTURE_DIRECTION_LEFT )
1479           {
1480             // Scroll left to the previous page
1481             accessibilityAdaptor->HandleActionPageLeftEvent();
1482           }
1483           else if( direction == GESTURE_DIRECTION_RIGHT )
1484           {
1485             // Scroll right to the next page
1486             accessibilityAdaptor->HandleActionPageRightEvent();
1487           }
1488           else if( direction == GESTURE_DIRECTION_UP )
1489           {
1490             // Scroll up the list.
1491             accessibilityAdaptor->HandleActionScrollUpEvent();
1492           }
1493           else if( direction == GESTURE_DIRECTION_DOWN )
1494           {
1495             // Scroll down the list.
1496             accessibilityAdaptor->HandleActionScrollDownEvent();
1497           }
1498         }
1499         break;
1500       }
1501
1502       case 3:
1503       {
1504         if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1505         {
1506           // Read from top item on screen continuously.
1507           accessibilityAdaptor->HandleActionReadFromTopEvent();
1508         }
1509         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1510         {
1511           // Read from next item continuously.
1512           accessibilityAdaptor->HandleActionReadFromNextEvent();
1513         }
1514         break;
1515       }
1516     }
1517   }
1518
1519   // Callback for to set up Ecore ElDBus for accessibility callbacks.
1520   static void EcoreElDBusInitialisation( void *handle, const Eldbus_Message *message, Eldbus_Pending *pending EINA_UNUSED )
1521   {
1522     Eldbus_Object *object;
1523     Eldbus_Proxy *manager;
1524     const char *a11yBusAddress = NULL;
1525
1526     // The string defines the arg-list's respective types.
1527     if( !eldbus_message_arguments_get( message, "s", &a11yBusAddress ) )
1528     {
1529       DALI_LOG_ERROR( "EcoreElDBusInitialisation: Error getting arguments\n" );
1530     }
1531
1532     DALI_LOG_INFO( gImfLogging, Debug::General, "Ecore ElDBus Accessibility address: %s\n", a11yBusAddress );
1533
1534     Eldbus_Connection *a11yConnection = eldbus_address_connection_get( a11yBusAddress );
1535
1536     object = eldbus_object_get( a11yConnection, BUS, PATH );
1537     manager = eldbus_proxy_get( object, INTERFACE );
1538
1539     // Pass the callback data through to the signal handler.
1540     eldbus_proxy_signal_handler_add( manager, SIGNAL, OnEcoreElDBusAccessibilityNotification, handle );
1541   }
1542 #endif // DALI_ELDBUS_AVAILABLE
1543
1544   /**
1545    * Called when the source window notifies us the content in clipboard is selected.
1546    */
1547   static Eina_Bool EcoreEventSelectionClear( void* data, int type, void* event )
1548   {
1549     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionClear\n" );
1550     Ecore_X_Event_Selection_Clear* selectionClearEvent( (Ecore_X_Event_Selection_Clear*) event );
1551     EventHandler* handler( (EventHandler*)data );
1552
1553     if ( selectionClearEvent->win == handler->mImpl->mWindow )
1554     {
1555       if ( selectionClearEvent->selection == ECORE_X_SELECTION_SECONDARY )
1556       {
1557         // Request to get the content from Ecore.
1558         ecore_x_selection_secondary_request(selectionClearEvent->win, ECORE_X_SELECTION_TARGET_TEXT);
1559       }
1560     }
1561     return ECORE_CALLBACK_PASS_ON;
1562   }
1563
1564   /**
1565    * Called when the source window sends us about the selected content.
1566    * For example, when dragged items are dragged INTO our window or when items are selected in the clipboard.
1567    */
1568   static Eina_Bool EcoreEventSelectionNotify( void* data, int type, void* event )
1569   {
1570     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionNotify\n" );
1571
1572     Ecore_X_Event_Selection_Notify* selectionNotifyEvent( (Ecore_X_Event_Selection_Notify*) event );
1573     EventHandler* handler( (EventHandler*)data );
1574
1575     if ( selectionNotifyEvent->win == handler->mImpl->mWindow )
1576     {
1577       Ecore_X_Selection_Data* selectionData( (Ecore_X_Selection_Data*) selectionNotifyEvent->data );
1578       if ( selectionData->data )
1579       {
1580         if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_XDND )
1581         {
1582           DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
1583
1584           // We have got the content that is to be dropped, inform the DndListener (if we have one).
1585           if ( dndDetector )
1586           {
1587             std::string content( (char*) selectionData->data, selectionData->length );
1588             dndDetector->SetContent( content );
1589
1590             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1591             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1592             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1593             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1594           }
1595         }
1596         else if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_SECONDARY )
1597         {
1598           // We have got the selected content, inform the clipboard event listener (if we have one).
1599           if ( handler->mClipboardEventNotifier )
1600           {
1601             ClipboardEventNotifier& clipboardEventNotifier( ClipboardEventNotifier::GetImplementation( handler->mClipboardEventNotifier ) );
1602             std::string content( (char*) selectionData->data, selectionData->length );
1603             clipboardEventNotifier.SetContent( content );
1604             clipboardEventNotifier.EmitContentSelectedSignal();
1605           }
1606
1607           // Claim the ownership of the SECONDARY selection.
1608           ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1609
1610           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1611           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1612           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1613           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1614         }
1615       }
1616     }
1617     return ECORE_CALLBACK_PASS_ON;
1618   }
1619
1620
1621 #ifndef DALI_PROFILE_UBUNTU
1622   /////////////////////////////////////////////////////////////////////////////////////////////////
1623   // Font Callbacks
1624   /////////////////////////////////////////////////////////////////////////////////////////////////
1625   /**
1626    * Called when a font name is changed.
1627    */
1628   static void VconfNotifyFontNameChanged( keynode_t* node, void* data )
1629   {
1630     EventHandler* handler = static_cast<EventHandler*>( data );
1631     handler->SendEvent( StyleChange::DEFAULT_FONT_CHANGE );
1632   }
1633
1634   /**
1635    * Called when a font size is changed.
1636    */
1637   static void VconfNotifyFontSizeChanged( keynode_t* node, void* data )
1638   {
1639     EventHandler* handler = static_cast<EventHandler*>( data );
1640     handler->SendEvent( StyleChange::DEFAULT_FONT_SIZE_CHANGE );
1641   }
1642 #endif // DALI_PROFILE_UBUNTU
1643
1644   // Data
1645   EventHandler* mHandler;
1646   std::vector<Ecore_Event_Handler*> mEcoreEventHandler;
1647   Ecore_X_Window mWindow;
1648   int mXiDeviceId;
1649 };
1650
1651 EventHandler::EventHandler( RenderSurface* surface, CoreEventInterface& coreEventInterface, GestureManager& gestureManager, DamageObserver& damageObserver, DragAndDropDetectorPtr dndDetector )
1652 : mCoreEventInterface(coreEventInterface),
1653   mGestureManager( gestureManager ),
1654   mStyleMonitor( StyleMonitor::Get() ),
1655   mDamageObserver( damageObserver ),
1656   mRotationObserver( NULL ),
1657   mDragAndDropDetector( dndDetector ),
1658   mAccessibilityAdaptor( AccessibilityAdaptor::Get() ),
1659   mClipboardEventNotifier( ClipboardEventNotifier::Get() ),
1660   mClipboard(Clipboard::Get()),
1661   mImpl( NULL )
1662 {
1663   Ecore_X_Window window = 0;
1664
1665   // this code only works with the EcoreX11 RenderSurface so need to downcast
1666   ECore::WindowRenderSurface* ecoreSurface = dynamic_cast< ECore::WindowRenderSurface* >( surface );
1667   if( ecoreSurface )
1668   {
1669     // enable multi touch
1670     window = ecoreSurface->GetXWindow();
1671   }
1672
1673   mImpl = new Impl(this, window);
1674 }
1675
1676 EventHandler::~EventHandler()
1677 {
1678   if(mImpl)
1679   {
1680     delete mImpl;
1681   }
1682
1683   mGestureManager.Stop();
1684 }
1685
1686 void EventHandler::SendEvent(TouchPoint& point, unsigned long timeStamp)
1687 {
1688   if(timeStamp < 1)
1689   {
1690     timeStamp = GetCurrentMilliSeconds();
1691   }
1692
1693   Integration::TouchEvent touchEvent;
1694   Integration::HoverEvent hoverEvent;
1695   Integration::TouchEventCombiner::EventDispatchType type = mCombiner.GetNextTouchEvent(point, timeStamp, touchEvent, hoverEvent);
1696   if(type != Integration::TouchEventCombiner::DispatchNone )
1697   {
1698     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);
1699
1700     // First the touch and/or hover event & related gesture events are queued
1701     if(type == Integration::TouchEventCombiner::DispatchTouch || type == Integration::TouchEventCombiner::DispatchBoth)
1702     {
1703       mCoreEventInterface.QueueCoreEvent( touchEvent );
1704       mGestureManager.SendEvent(touchEvent);
1705     }
1706
1707     if(type == Integration::TouchEventCombiner::DispatchHover || type == Integration::TouchEventCombiner::DispatchBoth)
1708     {
1709       mCoreEventInterface.QueueCoreEvent( hoverEvent );
1710     }
1711
1712     // Next the events are processed with a single call into Core
1713     mCoreEventInterface.ProcessCoreEvents();
1714   }
1715 }
1716
1717 void EventHandler::SendEvent(KeyEvent& keyEvent)
1718 {
1719   Dali::PhysicalKeyboard physicalKeyboard = PhysicalKeyboard::Get();
1720   if ( physicalKeyboard )
1721   {
1722     if ( ! KeyLookup::IsDeviceButton( keyEvent.keyPressedName.c_str() ) )
1723     {
1724       GetImplementation( physicalKeyboard ).KeyReceived( keyEvent.time > 1 );
1725     }
1726   }
1727
1728   // Create KeyEvent and send to Core.
1729   Integration::KeyEvent event(keyEvent.keyPressedName, keyEvent.keyPressed, keyEvent.keyCode,
1730   keyEvent.keyModifier, keyEvent.time, static_cast<Integration::KeyEvent::State>(keyEvent.state));
1731   mCoreEventInterface.QueueCoreEvent( event );
1732   mCoreEventInterface.ProcessCoreEvents();
1733 }
1734
1735 void EventHandler::SendWheelEvent( WheelEvent& wheelEvent )
1736 {
1737   // Create WheelEvent and send to Core.
1738   Integration::WheelEvent event( static_cast< Integration::WheelEvent::Type >(wheelEvent.type), wheelEvent.direction, wheelEvent.modifiers, wheelEvent.point, wheelEvent.z, wheelEvent.timeStamp );
1739   mCoreEventInterface.QueueCoreEvent( event );
1740   mCoreEventInterface.ProcessCoreEvents();
1741 }
1742
1743 void EventHandler::SendEvent( StyleChange::Type styleChange )
1744 {
1745   DALI_ASSERT_DEBUG( mStyleMonitor && "StyleMonitor Not Available" );
1746   GetImplementation( mStyleMonitor ).StyleChanged(styleChange);
1747 }
1748
1749 void EventHandler::SendEvent( const DamageArea& area )
1750 {
1751   mDamageObserver.OnDamaged( area );
1752 }
1753
1754 void EventHandler::SendRotationPrepareEvent( const RotationEvent& event )
1755 {
1756   if( mRotationObserver != NULL )
1757   {
1758     mRotationObserver->OnRotationPrepare( event );
1759   }
1760 }
1761
1762 void EventHandler::SendRotationRequestEvent( )
1763 {
1764   if( mRotationObserver != NULL )
1765   {
1766     mRotationObserver->OnRotationRequest( );
1767   }
1768 }
1769
1770 void EventHandler::FeedTouchPoint( TouchPoint& point, int timeStamp)
1771 {
1772   SendEvent(point, timeStamp);
1773 }
1774
1775 void EventHandler::FeedWheelEvent( WheelEvent& wheelEvent )
1776 {
1777   SendWheelEvent( wheelEvent );
1778 }
1779
1780 void EventHandler::FeedKeyEvent( KeyEvent& event )
1781 {
1782   SendEvent( event );
1783 }
1784
1785 void EventHandler::FeedEvent( Integration::Event& event )
1786 {
1787   mCoreEventInterface.QueueCoreEvent( event );
1788   mCoreEventInterface.ProcessCoreEvents();
1789 }
1790
1791 void EventHandler::Reset()
1792 {
1793   mCombiner.Reset();
1794
1795   // Any touch listeners should be told of the interruption.
1796   Integration::TouchEvent event;
1797   TouchPoint point(0, TouchPoint::Interrupted, 0, 0);
1798   event.AddPoint( point );
1799
1800   // First the touch event & related gesture events are queued
1801   mCoreEventInterface.QueueCoreEvent( event );
1802   mGestureManager.SendEvent( event );
1803
1804   // Next the events are processed with a single call into Core
1805   mCoreEventInterface.ProcessCoreEvents();
1806 }
1807
1808 void EventHandler::SetDragAndDropDetector( DragAndDropDetectorPtr detector )
1809 {
1810   mDragAndDropDetector = detector;
1811 }
1812
1813 void EventHandler::SetRotationObserver( RotationObserver* observer )
1814 {
1815   mRotationObserver = observer;
1816 }
1817
1818 } // namespace Adaptor
1819
1820 } // namespace Internal
1821
1822 } // namespace Dali