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 = reinterpret_cast<Ecore_IMF_Context*>( 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     // Menu, home, back button must skip ecore_imf_context_filter_event.
 710     static const char* menuKeyName = KeyLookup::GetKeyName( DALI_KEY_MENU );
 711     static const char* homeKeyName = KeyLookup::GetKeyName( DALI_KEY_HOME );
 712     static const char* backKeyName = KeyLookup::GetKeyName( DALI_KEY_BACK );
 713     if ( ( menuKeyName && strcmp( keyEvent->keyname, menuKeyName ) != 0 ) &&
 714          ( homeKeyName && strcmp( keyEvent->keyname, homeKeyName ) != 0 ) &&
 715          ( backKeyName && strcmp( keyEvent->keyname, backKeyName ) != 0 ) )
 716     {
 717       Ecore_IMF_Context* imfContext = NULL;
 718       Dali::ImfManager imfManager( ImfManager::Get() );
 719       if ( imfManager )
 720       {
 721         imfContext = reinterpret_cast<Ecore_IMF_Context*>( imfManager.GetContext() );
 722       }
 723
 724       if ( imfContext )
 725       {
 726         // We're consuming key up event so we have to pass to IMF so that it can parse it as well.
 727         Ecore_IMF_Event_Key_Up ecoreKeyUpEvent;
 728         ecoreKeyUpEvent.keyname   = keyEvent->keyname;
 729         ecoreKeyUpEvent.key       = keyEvent->key;
 730         ecoreKeyUpEvent.string    = keyEvent->string;
 731         ecoreKeyUpEvent.compose   = keyEvent->compose;
 732         ecoreKeyUpEvent.timestamp = keyEvent->timestamp;
 733         ecoreKeyUpEvent.modifiers = EcoreInputModifierToEcoreIMFModifier ( keyEvent->modifiers );
 734         ecoreKeyUpEvent.locks     = (Ecore_IMF_Keyboard_Locks) ECORE_IMF_KEYBOARD_LOCK_NONE;
 735 #ifdef ECORE_IMF_1_13
 736         ecoreKeyUpEvent.dev_name  = "";
 737 #endif // ECORE_IMF_1_13
 738
 739         eventHandled = ecore_imf_context_filter_event( imfContext,
 740                                                        ECORE_IMF_EVENT_KEY_UP,
 741                                                        (Ecore_IMF_Event *) &ecoreKeyUpEvent );
 742       }
 743     }
 744
 745     // If the event wasn't handled then we should send a key event.
 746     if ( !eventHandled )
 747     {
 748       if ( keyEvent->window == handler->mImpl->mWindow )
 749       {
 750         std::string keyName( keyEvent->keyname );
 751         std::string keyString( "" );
 752         int keyCode = ecore_x_keysym_keycode_get(keyEvent->keyname);
 753         int modifier( keyEvent->modifiers );
 754         unsigned long time( keyEvent->timestamp );
 755
 756         // Ensure key event string is not NULL as keys like SHIFT have a null string.
 757         if ( keyEvent->string )
 758         {
 759           keyString = keyEvent->string;
 760         }
 761
 762         KeyEvent keyEvent(keyName, keyString, keyCode, modifier, time, KeyEvent::Up);
 763         handler->SendEvent( keyEvent );
 764
 765       }
 766     }
 767
 768     return ECORE_CALLBACK_PASS_ON;
 769   }
 770
 771   /////////////////////////////////////////////////////////////////////////////////////////////////
 772   // Window Callbacks
 773   /////////////////////////////////////////////////////////////////////////////////////////////////
 774
 775   /**
 776    * Called when the window gains focus.
 777    */
 778   static Eina_Bool EcoreEventWindowFocusIn( void* data, int type, void* event )
 779   {
 780     Ecore_X_Event_Window_Focus_In* focusInEvent( (Ecore_X_Event_Window_Focus_In*)event );
 781     EventHandler* handler( (EventHandler*)data );
 782
 783     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusIn \n" );
 784
 785     // If the window gains focus and we hid the keyboard then show it again.
 786     if ( focusInEvent->win == handler->mImpl->mWindow )
 787     {
 788       DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT EcoreEventWindowFocusIn - >>WindowFocusGained \n" );
 789
 790       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
 791       {
 792         Dali::ImfManager imfManager( ImfManager::Get() );
 793         if ( imfManager )
 794         {
 795           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
 796           if( imfManagerImpl.RestoreAfterFocusLost() )
 797           {
 798             imfManagerImpl.Activate();
 799           }
 800         }
 801       }
 802       // No need to connect callbacks as KeyboardStatusChanged will be called.
 803     }
 804
 805     return ECORE_CALLBACK_PASS_ON;
 806   }
 807
 808   /**
 809    * Called when the window loses focus.
 810    */
 811   static Eina_Bool EcoreEventWindowFocusOut( void* data, int type, void* event )
 812   {
 813     Ecore_X_Event_Window_Focus_Out* focusOutEvent( (Ecore_X_Event_Window_Focus_Out*)event );
 814     EventHandler* handler( (EventHandler*)data );
 815
 816     DALI_LOG_INFO( gImfLogging, Debug::General, "EVENT >>EcoreEventWindowFocusOut \n" );
 817
 818     // If the window loses focus then hide the keyboard.
 819     if ( focusOutEvent->win == handler->mImpl->mWindow )
 820     {
 821       if ( ImfManager::IsAvailable() /* Only get the ImfManager if it's available as we do not want to create it */ )
 822       {
 823         Dali::ImfManager imfManager( ImfManager::Get() );
 824         if ( imfManager )
 825         {
 826           ImfManager& imfManagerImpl( ImfManager::GetImplementation( imfManager ) );
 827           if( imfManagerImpl.RestoreAfterFocusLost() )
 828           {
 829             imfManagerImpl.Deactivate();
 830           }
 831         }
 832       }
 833
 834       // Clipboard don't support that whether clipboard is shown or not. Hide clipboard.
 835       Dali::Clipboard clipboard = Clipboard::Get();
 836       clipboard.HideClipboard();
 837     }
 838
 839     return ECORE_CALLBACK_PASS_ON;
 840   }
 841
 842   /**
 843    * Called when the window is damaged.
 844    */
 845   static Eina_Bool EcoreEventWindowDamaged(void *data, int type, void *event)
 846   {
 847     Ecore_X_Event_Window_Damage* windowDamagedEvent( (Ecore_X_Event_Window_Damage*)event );
 848     EventHandler* handler( (EventHandler*)data );
 849
 850     if( windowDamagedEvent->win == handler->mImpl->mWindow )
 851     {
 852       DamageArea area;
 853       area.x = windowDamagedEvent->x;
 854       area.y = windowDamagedEvent->y;
 855       area.width = windowDamagedEvent->w;
 856       area.height = windowDamagedEvent->h;
 857
 858       handler->SendEvent( area );
 859     }
 860
 861     return ECORE_CALLBACK_PASS_ON;
 862   }
 863
 864   /**
 865    * Called when the window properties are changed.
 866    * We are only interested in the font change.
 867    */
 868
 869
 870   /////////////////////////////////////////////////////////////////////////////////////////////////
 871   // Drag & Drop Callbacks
 872   /////////////////////////////////////////////////////////////////////////////////////////////////
 873
 874   /**
 875    * Called when a dragged item enters our window's bounds.
 876    * This is when items are dragged INTO our window.
 877    */
 878   static Eina_Bool EcoreEventDndEnter( void* data, int type, void* event )
 879   {
 880     DALI_LOG_INFO( gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndEnter\n" );
 881
 882     Ecore_X_Event_Xdnd_Enter* enterEvent( (Ecore_X_Event_Xdnd_Enter*) event );
 883     EventHandler* handler( (EventHandler*)data );
 884     Ecore_X_Window window ( handler->mImpl->mWindow );
 885
 886     if ( enterEvent->win == window )
 887     {
 888       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
 889
 890       // Check whether the Drag & Drop detector has Drag & Drop behaviour enabled before we accept.
 891       if ( dndDetector && dndDetector->IsEnabled() )
 892       {
 893         // Tell Ecore that we want to enable drop in the entire window.
 894         Ecore_X_Rectangle rect;
 895         rect.x = rect.y = 0;
 896         ecore_x_window_geometry_get( window, NULL, NULL, (int*)&rect.width, (int*)&rect.height );
 897
 898         // Tell Ecore that we are able to process a drop.
 899         ecore_x_dnd_send_status( EINA_TRUE, EINA_FALSE, rect, ECORE_X_ATOM_XDND_DROP );
 900
 901         // Register the required atoms and types.
 902         ecore_x_dnd_actions_set( window, DRAG_AND_DROP_ATOMS, DRAG_AND_DROP_ATOMS_NUMBER );
 903         ecore_x_dnd_types_set(   window, DRAG_AND_DROP_TYPES, DRAG_AND_DROP_TYPES_NUMBER );
 904
 905         // Request to get the content from Ecore.
 906         ecore_x_selection_xdnd_request( window, ECORE_X_SELECTION_TARGET_UTF8_STRING );
 907
 908         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndEnter: Requesting Drag & Drop\n" );
 909
 910         // Clear the previous content
 911         dndDetector->ClearContent();
 912
 913         // Emit the entered signal
 914         dndDetector->EmitEnteredSignal();
 915       }
 916     }
 917
 918     return ECORE_CALLBACK_PASS_ON;
 919   }
 920
 921   /**
 922    * Called when a dragged item is moved within our window.
 923    * This is when items are dragged INTO our window.
 924    */
 925   static Eina_Bool EcoreEventDndPosition( void* data, int type, void* event )
 926   {
 927     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndPosition\n" );
 928
 929     Ecore_X_Event_Xdnd_Position* positionEvent( (Ecore_X_Event_Xdnd_Position*) event );
 930     EventHandler* handler( (EventHandler*)data );
 931
 932     if ( positionEvent->win == handler->mImpl->mWindow )
 933     {
 934       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
 935
 936       // If we have a detector then update its latest position.
 937       if ( dndDetector )
 938       {
 939         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndPosition: position ( %d x %d )\n", positionEvent->position.x, positionEvent->position.y );
 940         dndDetector->SetPosition( Vector2( positionEvent->position.x, positionEvent->position.y ));
 941         dndDetector->EmitMovedSignal();
 942       }
 943     }
 944
 945     return ECORE_CALLBACK_PASS_ON;
 946   }
 947
 948   /**
 949    * Called when a dragged item leaves our window's bounds.
 950    * This is when items are dragged INTO our window.
 951    */
 952   static Eina_Bool EcoreEventDndLeave( void* data, int type, void* event )
 953   {
 954     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndLeave\n" );
 955
 956     Ecore_X_Event_Xdnd_Leave* leaveEvent( (Ecore_X_Event_Xdnd_Leave*) event );
 957     EventHandler* handler( (EventHandler*)data );
 958
 959     if ( leaveEvent->win == handler->mImpl->mWindow )
 960     {
 961       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
 962
 963       // If we have a detector then clear its content and emit the exited-signal. Also tell Ecore that we have finished.
 964       if ( dndDetector )
 965       {
 966         dndDetector->ClearContent();
 967         dndDetector->EmitExitedSignal();
 968
 969         ecore_x_dnd_send_finished();
 970
 971         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndLeave: Finished\n" );
 972       }
 973     }
 974
 975     return ECORE_CALLBACK_PASS_ON;
 976   }
 977
 978   /**
 979    * Called when the dragged item is dropped within our window's bounds.
 980    * This is when items are dragged INTO our window.
 981    */
 982   static Eina_Bool EcoreEventDndDrop( void* data, int type, void* event )
 983   {
 984     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndDrop\n" );
 985
 986     Ecore_X_Event_Xdnd_Drop* dropEvent ( (Ecore_X_Event_Xdnd_Drop*) event);
 987     EventHandler* handler( (EventHandler*)data );
 988
 989     if ( dropEvent->win == handler->mImpl->mWindow )
 990     {
 991       DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
 992
 993       // Something has been dropped, inform the detector (if we have one) and tell Ecore that we have finished.
 994       if ( dndDetector )
 995       {
 996         DALI_LOG_INFO(gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: position ( %d x %d )\n", dropEvent->position.x, dropEvent->position.y );
 997
 998         dndDetector->SetPosition( Vector2( dropEvent->position.x, dropEvent->position.y ) );
 999         dndDetector->EmitDroppedSignal();
1000         ecore_x_dnd_send_finished();
1001
1002         DALI_LOG_INFO( gDragAndDropLogFilter, Debug::General, "EcoreEventDndDrop: Finished\n" );
1003       }
1004     }
1005
1006     return ECORE_CALLBACK_PASS_ON;
1007   }
1008
1009   /**
1010    * Called when a dragged item is moved from our window and the target window has done processing it.
1011    * This is when items are dragged FROM our window.
1012    */
1013   static Eina_Bool EcoreEventDndFinished( void* data, int type, void* event )
1014   {
1015     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndFinished\n" );
1016     return ECORE_CALLBACK_PASS_ON;
1017   }
1018
1019   /**
1020    * Called when a dragged item is moved from our window and the target window has sent us a status.
1021    * This is when items are dragged FROM our window.
1022    */
1023   static Eina_Bool EcoreEventDndStatus( void* data, int type, void* event )
1024   {
1025     DALI_LOG_INFO(gDragAndDropLogFilter, Debug::Concise, "EcoreEventDndStatus\n" );
1026     return ECORE_CALLBACK_PASS_ON;
1027   }
1028
1029   /**
1030    * Called when the client messages (i.e. the accessibility events) are received.
1031    */
1032   static Eina_Bool EcoreEventClientMessage( void* data, int type, void* event )
1033   {
1034 #ifndef DALI_PROFILE_UBUNTU
1035     Ecore_X_Event_Client_Message* clientMessageEvent( (Ecore_X_Event_Client_Message*)event );
1036     EventHandler* handler( (EventHandler*)data );
1037
1038     if (clientMessageEvent->message_type == ECORE_X_ATOM_E_ILLUME_ACCESS_CONTROL)
1039     {
1040       if ( ( (unsigned int)clientMessageEvent->data.l[0] == handler->mImpl->mWindow ) && handler->mAccessibilityAdaptor )
1041       {
1042         AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1043
1044         if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_SCROLL)
1045         {
1046           // 2 finger touch & move, 2 finger flick
1047
1048           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1049           // x : e->data.l[3]
1050           // y : e->data.l[4]
1051           TouchPoint::State state(TouchPoint::Down);
1052
1053           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1054           {
1055             state = TouchPoint::Down; // mouse down
1056           }
1057           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1058           {
1059             state = TouchPoint::Motion; // mouse move
1060           }
1061           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1062           {
1063             state = TouchPoint::Up; // mouse up
1064           }
1065           else
1066           {
1067             state = TouchPoint::Interrupted; // error
1068           }
1069
1070           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1071             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1072             (unsigned int)clientMessageEvent->data.l[2],
1073             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1074
1075           // Send touch event to accessibility adaptor.
1076           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1077
1078           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1079           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1080         }
1081         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_MOUSE)
1082         {
1083           // 1 finger double tap and hold
1084
1085           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1086           // x : e->data.l[3]
1087           // y : e->data.l[4]
1088           TouchPoint::State state(TouchPoint::Down);
1089
1090           if ((unsigned int)clientMessageEvent->data.l[2] == 0)
1091           {
1092             state = TouchPoint::Down; // mouse down
1093           }
1094           else if ((unsigned int)clientMessageEvent->data.l[2] == 1)
1095           {
1096             state = TouchPoint::Motion; // mouse move
1097           }
1098           else if ((unsigned int)clientMessageEvent->data.l[2] == 2)
1099           {
1100             state = TouchPoint::Up; // mouse up
1101           }
1102           else
1103           {
1104             state = TouchPoint::Interrupted; // error
1105           }
1106
1107           DALI_LOG_INFO(gClientMessageLogFilter, Debug::General,
1108             "[%s:%d] [%d] %d, %d\n", __FUNCTION__, __LINE__,
1109             (unsigned int)clientMessageEvent->data.l[2],
1110             (unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4]);
1111
1112           // Send touch event to accessibility adaptor.
1113           TouchPoint point( 0, state, (float)clientMessageEvent->data.l[3], (float)clientMessageEvent->data.l[4] );
1114
1115           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1116           accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1117         }
1118         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_BACK)
1119         {
1120           // 2 finger circle draw, do back
1121           accessibilityAdaptor->HandleActionBackEvent();
1122         }
1123         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_NEXT)
1124         {
1125           // one finger flick down
1126           // focus next object
1127           if(accessibilityAdaptor)
1128           {
1129             accessibilityAdaptor->HandleActionNextEvent();
1130           }
1131         }
1132         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_PREV)
1133         {
1134           // one finger flick up
1135           // focus previous object
1136           if(accessibilityAdaptor)
1137           {
1138             accessibilityAdaptor->HandleActionPreviousEvent();
1139           }
1140         }
1141         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ACTIVATE)
1142         {
1143           // one finger double tap
1144           // same as one finger tap in normal mode (i.e. execute focused actor)
1145           if(accessibilityAdaptor)
1146           {
1147             accessibilityAdaptor->HandleActionActivateEvent();
1148           }
1149         }
1150         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ)
1151         {
1152           // one finger tap
1153           // focus & read an actor at ( e->data.l[2], e->data.l[3] ) position according to finger
1154           if(accessibilityAdaptor)
1155           {
1156             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[2], (unsigned int)clientMessageEvent->data.l[3], true /* allow read again*/);
1157           }
1158         }
1159 #if defined(DALI_PROFILE_MOBILE)
1160         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_OVER)
1161         {
1162           // one finger tap & move
1163           // mouse state : e->data.l[2] (0: mouse down, 1: mouse move, 2: mouse up)
1164           // x : e->data.l[3]
1165           // y : e->data.l[4]
1166           // focus & read an actor at (x, y) position according to finger
1167           if(accessibilityAdaptor && (unsigned int)clientMessageEvent->data.l[2] == 1 /*only work for move event*/)
1168           {
1169             accessibilityAdaptor->HandleActionReadEvent((unsigned int)clientMessageEvent->data.l[3], (unsigned int)clientMessageEvent->data.l[4], false /* not allow read again*/);
1170           }
1171         }
1172 #endif
1173         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_NEXT)
1174         {
1175           // one finger flick right
1176           // focus next object
1177            if(accessibilityAdaptor)
1178           {
1179             accessibilityAdaptor->HandleActionReadNextEvent();
1180           }
1181         }
1182         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_READ_PREV)
1183         {
1184           // one finger flick left
1185           // focus previous object
1186           if(accessibilityAdaptor)
1187           {
1188             accessibilityAdaptor->HandleActionReadPreviousEvent();
1189           }
1190         }
1191         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_UP)
1192         {
1193           // double down and move (right, up)
1194           // change slider value
1195           if(accessibilityAdaptor)
1196           {
1197             accessibilityAdaptor->HandleActionUpEvent();
1198           }
1199         }
1200         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DOWN)
1201         {
1202           // double down and move (left, down)
1203           // change slider value
1204           if(accessibilityAdaptor)
1205           {
1206             accessibilityAdaptor->HandleActionDownEvent();
1207           }
1208         }
1209         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_ENABLE)
1210         {
1211            if(accessibilityAdaptor)
1212           {
1213             accessibilityAdaptor->HandleActionEnableEvent();
1214           }
1215         }
1216         else if((unsigned int)clientMessageEvent->data.l[1] == ECORE_X_ATOM_E_ILLUME_ACCESS_ACTION_DISABLE)
1217         {
1218           if(accessibilityAdaptor)
1219           {
1220             accessibilityAdaptor->HandleActionDisableEvent();
1221           }
1222         }
1223         // TODO: some more actions could be added later
1224       }
1225     }
1226     else if(clientMessageEvent->message_type == ecore_x_atom_get(CLIPBOARD_ATOM))
1227     {
1228       std::string message(clientMessageEvent->data.b);
1229       if( message == CLIPBOARD_SET_OWNER_MESSAGE)
1230       {
1231         // Claim the ownership of the SECONDARY selection.
1232         ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1233
1234         // Show the clipboard window
1235         Dali::Clipboard clipboard = Dali::Clipboard::Get();
1236         clipboard.ShowClipboard();
1237       }
1238     }
1239     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_PREPARE )
1240     {
1241       RotationEvent rotationEvent;
1242       rotationEvent.angle      = static_cast<int>(clientMessageEvent->data.l[1]);
1243       rotationEvent.winResize  = static_cast<int>(clientMessageEvent->data.l[2]);
1244       rotationEvent.width      = static_cast<int>(clientMessageEvent->data.l[3]);
1245       rotationEvent.height     = static_cast<int>(clientMessageEvent->data.l[4]);
1246       handler->SendRotationPrepareEvent( rotationEvent );
1247     }
1248     else if( clientMessageEvent->message_type == ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_REQUEST )
1249     {
1250       handler->SendRotationRequestEvent();
1251     }
1252
1253 #endif // DALI_PROFILE_UBUNTU
1254     return ECORE_CALLBACK_PASS_ON;
1255   }
1256
1257
1258   /////////////////////////////////////////////////////////////////////////////////////////////////
1259   // ElDBus Accessibility Callbacks
1260   /////////////////////////////////////////////////////////////////////////////////////////////////
1261
1262 #ifdef DALI_ELDBUS_AVAILABLE
1263   // Callback for Ecore ElDBus accessibility events.
1264   static void OnEcoreElDBusAccessibilityNotification( void *context EINA_UNUSED, const Eldbus_Message *message )
1265   {
1266     EventHandler* handler = static_cast< EventHandler* >( context );
1267     // Ignore any accessibility events when paused.
1268     if( handler->mPaused )
1269     {
1270       return;
1271     }
1272
1273     if ( !handler->mAccessibilityAdaptor )
1274     {
1275       DALI_LOG_ERROR( "Invalid accessibility adaptor\n" );
1276       return;
1277     }
1278
1279     AccessibilityAdaptor* accessibilityAdaptor( &AccessibilityAdaptor::GetImplementation( handler->mAccessibilityAdaptor ) );
1280     if ( !accessibilityAdaptor )
1281     {
1282       DALI_LOG_ERROR( "Cannot access accessibility adaptor\n" );
1283       return;
1284     }
1285
1286     const char *gestureName;
1287     int xS, yS, xE, yE;
1288     unsigned int state;
1289
1290     // The string defines the arg-list's respective types.
1291     if( !eldbus_message_arguments_get( message, "siiiiu", &gestureName, &xS, &yS, &xE, &yE, &state ) )
1292     {
1293       DALI_LOG_ERROR( "OnEcoreElDBusAccessibilityNotification: Error getting arguments\n" );
1294     }
1295
1296     DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Name: %s  Args: %d,%d,%d,%d  State: %d\n", gestureName, xS, yS, xE, yE );
1297
1298     unsigned int fingers = 0;
1299     char* stringPosition = ( char* )gestureName;
1300
1301     // Check how many fingers the gesture uses.
1302     for( unsigned int i = 0; i < FingerCountStringsTotal; ++i )
1303     {
1304       unsigned int matchLength = strlen( ElDBusAccessibilityFingerCountStrings[ i ] );
1305       if( strncmp( gestureName, ElDBusAccessibilityFingerCountStrings[ i ], matchLength ) == 0 )
1306       {
1307         fingers = i + 1;
1308         stringPosition += matchLength;
1309         break;
1310       }
1311     }
1312
1313     if( fingers == 0 )
1314     {
1315       // Error: invalid gesture.
1316       return;
1317     }
1318
1319     GestureType gestureType = GESTURE_TYPE_NONE;
1320     SubGestureType subGestureType = SUB_GESTURE_TYPE_NONE;
1321     GestureDirection direction = GESTURE_DIRECTION_NONE;
1322
1323     // Check for full gesture type names first.
1324     for( unsigned int i = 0; i < FullEventTypeStringsTotal; ++i )
1325     {
1326       unsigned int matchLength = strlen( ElDBusAccessibilityFullEventTypeStrings[ i ].name );
1327       if( strncmp( stringPosition, ElDBusAccessibilityFullEventTypeStrings[ i ].name, matchLength ) == 0 )
1328       {
1329         gestureType = ElDBusAccessibilityFullEventTypeStrings[ i ].type;
1330         break;
1331       }
1332     }
1333
1334     // If we didn't find a full gesture, check for sub gesture type names.
1335     if( gestureType == GESTURE_TYPE_NONE )
1336     {
1337       // No full gesture name found, look for partial types.
1338       for( unsigned int i = 0; i < DirectionalEventTypeStringsTotal; ++i )
1339       {
1340         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name );
1341         if( strncmp( stringPosition, ElDBusAccessibilityDirectionalEventTypeStrings[ i ].name, matchLength ) == 0 )
1342         {
1343           subGestureType = ElDBusAccessibilityDirectionalEventTypeStrings[ i ].type;
1344           stringPosition += matchLength;
1345         break;
1346         }
1347       }
1348
1349       if( subGestureType == SUB_GESTURE_TYPE_NONE )
1350       {
1351         // ERROR: Gesture not recognised.
1352         return;
1353       }
1354
1355       // If the gesture was a sub type, get it's respective direction.
1356       for( unsigned int i = 0; i < DirectionStringsTotal; ++i )
1357       {
1358         unsigned int matchLength = strlen( ElDBusAccessibilityDirectionStrings[ i ].name );
1359         if( strncmp( stringPosition, ElDBusAccessibilityDirectionStrings[ i ].name, matchLength ) == 0 )
1360         {
1361           direction = ElDBusAccessibilityDirectionStrings[ i ].direction;
1362           stringPosition += matchLength;
1363           break;
1364         }
1365       }
1366
1367       if( direction == GESTURE_DIRECTION_NONE )
1368       {
1369         // ERROR: Gesture not recognised.
1370         return;
1371       }
1372     }
1373
1374     // Action the detected gesture here.
1375     if( gestureType != GESTURE_TYPE_NONE )
1376     {
1377       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture type: %d\n", fingers, gestureType );
1378     }
1379     else
1380     {
1381       DALI_LOG_INFO( gImfLogging, Debug::General, "Got gesture: Fingers: %d  Gesture sub type: %d Gesture direction: %d\n",
1382         fingers, subGestureType, direction );
1383     }
1384
1385     // Create a touch point object.
1386     TouchPoint::State touchPointState( TouchPoint::Down );
1387     if ( state == 0 )
1388     {
1389       touchPointState = TouchPoint::Down; // Mouse down.
1390     }
1391     else if ( state == 1 )
1392     {
1393       touchPointState = TouchPoint::Motion; // Mouse move.
1394     }
1395     else if ( state == 2 )
1396     {
1397       touchPointState = TouchPoint::Up; // Mouse up.
1398     }
1399     else
1400     {
1401       touchPointState = TouchPoint::Interrupted; // Error.
1402     }
1403
1404     // Send touch event to accessibility adaptor.
1405     TouchPoint point( 0, touchPointState, (float)xS, (float)yS );
1406
1407     // Perform actions based on received gestures.
1408     // Note: This is seperated from the reading so we can (in future)
1409     // have other input readers without changing the below code.
1410     switch( fingers )
1411     {
1412       case 1:
1413       {
1414         if( gestureType == GESTURE_TYPE_SINGLE_TAP || ( gestureType == GESTURE_TYPE_HOVER && touchPointState == TouchPoint::Motion ) )
1415         {
1416           // Focus, read out.
1417           accessibilityAdaptor->HandleActionReadEvent( (unsigned int)xS, (unsigned int)yS, true /* allow read again */ );
1418         }
1419         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1420         {
1421           if( false ) // TODO: how to detect double tap + hold?
1422           {
1423             // Move or drag icon / view more options for selected items.
1424             // accessibilityAdaptor->HandleActionTouchEvent( point, GetCurrentMilliSeconds() );
1425           }
1426           else
1427           {
1428             // Activate selected item / active edit mode.
1429             accessibilityAdaptor->HandleActionActivateEvent();
1430           }
1431         }
1432         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1433         {
1434           // Zoom
1435           accessibilityAdaptor->HandleActionZoomEvent();
1436         }
1437         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1438         {
1439           if( direction == GESTURE_DIRECTION_LEFT )
1440           {
1441             // Move to previous item.
1442             accessibilityAdaptor->HandleActionReadPreviousEvent();
1443           }
1444           else if( direction == GESTURE_DIRECTION_RIGHT )
1445           {
1446             // Move to next item.
1447             accessibilityAdaptor->HandleActionReadNextEvent();
1448           }
1449           else if( direction == GESTURE_DIRECTION_UP )
1450           {
1451             // Move to next item.
1452             accessibilityAdaptor->HandleActionPreviousEvent();
1453           }
1454           else if( direction == GESTURE_DIRECTION_DOWN )
1455           {
1456             // Move to next item.
1457             accessibilityAdaptor->HandleActionNextEvent();
1458           }
1459           else if( direction == GESTURE_DIRECTION_LEFT_RETURN )
1460           {
1461             // Scroll up to the previous page
1462             accessibilityAdaptor->HandleActionPageUpEvent();
1463           }
1464           else if( direction == GESTURE_DIRECTION_RIGHT_RETURN )
1465           {
1466             // Scroll down to the next page
1467             accessibilityAdaptor->HandleActionPageDownEvent();
1468           }
1469           else if( direction == GESTURE_DIRECTION_UP_RETURN )
1470           {
1471             // Move to the first item on screen
1472             accessibilityAdaptor->HandleActionMoveToFirstEvent();
1473           }
1474           else if( direction == GESTURE_DIRECTION_DOWN_RETURN )
1475           {
1476             // Move to the last item on screen
1477             accessibilityAdaptor->HandleActionMoveToLastEvent();
1478           }
1479         }
1480         break;
1481       }
1482
1483       case 2:
1484       {
1485         if( gestureType == GESTURE_TYPE_HOVER )
1486         {
1487           // In accessibility mode, scroll action should be handled when the currently focused actor is contained in scrollable control
1488           accessibilityAdaptor->HandleActionScrollEvent( point, GetCurrentMilliSeconds() );
1489         }
1490         else if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1491         {
1492           // Pause/Resume current speech
1493           accessibilityAdaptor->HandleActionReadPauseResumeEvent();
1494         }
1495         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1496         {
1497           // Start/Stop current action
1498           accessibilityAdaptor->HandleActionStartStopEvent();
1499         }
1500         else if( gestureType == GESTURE_TYPE_TRIPLE_TAP )
1501         {
1502           // Read information from indicator
1503           accessibilityAdaptor->HandleActionReadIndicatorInformationEvent();
1504         }
1505         else if( subGestureType == SUB_GESTURE_TYPE_FLICK )
1506         {
1507           if( direction == GESTURE_DIRECTION_LEFT )
1508           {
1509             // Scroll left to the previous page
1510             accessibilityAdaptor->HandleActionPageLeftEvent();
1511           }
1512           else if( direction == GESTURE_DIRECTION_RIGHT )
1513           {
1514             // Scroll right to the next page
1515             accessibilityAdaptor->HandleActionPageRightEvent();
1516           }
1517           else if( direction == GESTURE_DIRECTION_UP )
1518           {
1519             // Scroll up the list.
1520             accessibilityAdaptor->HandleActionScrollUpEvent();
1521           }
1522           else if( direction == GESTURE_DIRECTION_DOWN )
1523           {
1524             // Scroll down the list.
1525             accessibilityAdaptor->HandleActionScrollDownEvent();
1526           }
1527         }
1528         break;
1529       }
1530
1531       case 3:
1532       {
1533         if( gestureType == GESTURE_TYPE_SINGLE_TAP )
1534         {
1535           // Read from top item on screen continuously.
1536           accessibilityAdaptor->HandleActionReadFromTopEvent();
1537         }
1538         else if( gestureType == GESTURE_TYPE_DOUBLE_TAP )
1539         {
1540           // Read from next item continuously.
1541           accessibilityAdaptor->HandleActionReadFromNextEvent();
1542         }
1543         break;
1544       }
1545     }
1546   }
1547
1548   // Callback for to set up Ecore ElDBus for accessibility callbacks.
1549   static void EcoreElDBusInitialisation( void *handle, const Eldbus_Message *message, Eldbus_Pending *pending EINA_UNUSED )
1550   {
1551     Eldbus_Object *object;
1552     Eldbus_Proxy *manager;
1553     const char *a11yBusAddress = NULL;
1554     EventHandler* handler = static_cast< EventHandler* >( handle );
1555
1556     // The string defines the arg-list's respective types.
1557     if( !eldbus_message_arguments_get( message, "s", &a11yBusAddress ) )
1558     {
1559       DALI_LOG_ERROR( "EcoreElDBusInitialisation: Error getting arguments\n" );
1560     }
1561
1562     DALI_LOG_INFO( gImfLogging, Debug::General, "Ecore ElDBus Accessibility address: %s\n", a11yBusAddress );
1563
1564     handler->mImpl->mA11yConnection = eldbus_address_connection_get( a11yBusAddress );
1565
1566     object = eldbus_object_get( handler->mImpl->mA11yConnection, BUS, PATH );
1567     manager = eldbus_proxy_get( object, INTERFACE );
1568
1569     // Pass the callback data through to the signal handler.
1570     eldbus_proxy_signal_handler_add( manager, SIGNAL, OnEcoreElDBusAccessibilityNotification, handle );
1571   }
1572 #endif // DALI_ELDBUS_AVAILABLE
1573
1574   /**
1575    * Called when the source window notifies us the content in clipboard is selected.
1576    */
1577   static Eina_Bool EcoreEventSelectionClear( void* data, int type, void* event )
1578   {
1579     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionClear\n" );
1580     Ecore_X_Event_Selection_Clear* selectionClearEvent( (Ecore_X_Event_Selection_Clear*) event );
1581     EventHandler* handler( (EventHandler*)data );
1582
1583     if ( selectionClearEvent->win == handler->mImpl->mWindow )
1584     {
1585       if ( selectionClearEvent->selection == ECORE_X_SELECTION_SECONDARY )
1586       {
1587         // Request to get the content from Ecore.
1588         ecore_x_selection_secondary_request(selectionClearEvent->win, ECORE_X_SELECTION_TARGET_TEXT);
1589       }
1590     }
1591     return ECORE_CALLBACK_PASS_ON;
1592   }
1593
1594   /**
1595    * Called when the source window sends us about the selected content.
1596    * For example, when dragged items are dragged INTO our window or when items are selected in the clipboard.
1597    */
1598   static Eina_Bool EcoreEventSelectionNotify( void* data, int type, void* event )
1599   {
1600     DALI_LOG_INFO(gSelectionEventLogFilter, Debug::Concise, "EcoreEventSelectionNotify\n" );
1601
1602     Ecore_X_Event_Selection_Notify* selectionNotifyEvent( (Ecore_X_Event_Selection_Notify*) event );
1603     EventHandler* handler( (EventHandler*)data );
1604
1605     if ( selectionNotifyEvent->win == handler->mImpl->mWindow )
1606     {
1607       Ecore_X_Selection_Data* selectionData( (Ecore_X_Selection_Data*) selectionNotifyEvent->data );
1608       if ( selectionData->data )
1609       {
1610         if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_XDND )
1611         {
1612           DragAndDropDetectorPtr dndDetector( handler->mDragAndDropDetector );
1613
1614           // We have got the content that is to be dropped, inform the DndListener (if we have one).
1615           if ( dndDetector )
1616           {
1617             std::string content( (char*) selectionData->data, selectionData->length );
1618             dndDetector->SetContent( content );
1619
1620             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1621             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1622             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1623             DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1624           }
1625         }
1626         else if ( selectionNotifyEvent->selection == ECORE_X_SELECTION_SECONDARY )
1627         {
1628           // We have got the selected content, inform the clipboard event listener (if we have one).
1629           if ( handler->mClipboardEventNotifier )
1630           {
1631             ClipboardEventNotifier& clipboardEventNotifier( ClipboardEventNotifier::GetImplementation( handler->mClipboardEventNotifier ) );
1632             std::string content( (char*) selectionData->data, selectionData->length );
1633             clipboardEventNotifier.SetContent( content );
1634             clipboardEventNotifier.EmitContentSelectedSignal();
1635           }
1636
1637           // Claim the ownership of the SECONDARY selection.
1638           ecore_x_selection_secondary_set(handler->mImpl->mWindow, "", 1);
1639
1640           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "EcoreEventSelectionNotify: Content(%d):\n" , selectionData->length );
1641           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1642           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "%s\n", selectionData->data );
1643           DALI_LOG_INFO( gSelectionEventLogFilter, Debug::General, "======================================\n" );
1644         }
1645       }
1646     }
1647     return ECORE_CALLBACK_PASS_ON;
1648   }
1649
1650
1651 #ifndef DALI_PROFILE_UBUNTU
1652   /////////////////////////////////////////////////////////////////////////////////////////////////
1653   // Font Callbacks
1654   /////////////////////////////////////////////////////////////////////////////////////////////////
1655   /**
1656    * Called when a font name is changed.
1657    */
1658   static void VconfNotifyFontNameChanged( keynode_t* node, void* data )
1659   {
1660     EventHandler* handler = static_cast<EventHandler*>( data );
1661     handler->SendEvent( StyleChange::DEFAULT_FONT_CHANGE );
1662   }
1663
1664   /**
1665    * Called when a font size is changed.
1666    */
1667   static void VconfNotifyFontSizeChanged( keynode_t* node, void* data )
1668   {
1669     DALI_LOG_INFO(gTouchEventLogFilter, Debug::Verbose, "VconfNotifyFontSizeChanged\n" );
1670     EventHandler* handler = static_cast<EventHandler*>( data );
1671     handler->SendEvent( StyleChange::DEFAULT_FONT_SIZE_CHANGE );
1672   }
1673 #endif // DALI_PROFILE_UBUNTU
1674
1675   // Data
1676   EventHandler* mHandler;
1677   std::vector<Ecore_Event_Handler*> mEcoreEventHandler;
1678   Ecore_X_Window mWindow;
1679   int mXiDeviceId;
1680
1681 #ifdef DALI_ELDBUS_AVAILABLE
1682   Eldbus_Connection* mSessionConnection;
1683   Eldbus_Connection* mA11yConnection;
1684 #endif
1685 };
1686
1687 EventHandler::EventHandler( RenderSurface* surface, CoreEventInterface& coreEventInterface, GestureManager& gestureManager, DamageObserver& damageObserver, DragAndDropDetectorPtr dndDetector )
1688 : mCoreEventInterface( coreEventInterface ),
1689   mGestureManager( gestureManager ),
1690   mStyleMonitor( StyleMonitor::Get() ),
1691   mDamageObserver( damageObserver ),
1692   mRotationObserver( NULL ),
1693   mDragAndDropDetector( dndDetector ),
1694   mAccessibilityAdaptor( AccessibilityAdaptor::Get() ),
1695   mClipboardEventNotifier( ClipboardEventNotifier::Get() ),
1696   mClipboard( Clipboard::Get() ),
1697   mImpl( NULL ),
1698   mPaused( false )
1699 {
1700   Ecore_X_Window window = 0;
1701
1702   // this code only works with the EcoreX11 RenderSurface so need to downcast
1703   ECore::WindowRenderSurface* ecoreSurface = dynamic_cast< ECore::WindowRenderSurface* >( surface );
1704   if( ecoreSurface )
1705   {
1706     // enable multi touch
1707     window = ecoreSurface->GetXWindow();
1708   }
1709
1710   mImpl = new Impl(this, window);
1711 }
1712
1713 EventHandler::~EventHandler()
1714 {
1715   delete mImpl;
1716
1717   mGestureManager.Stop();
1718 }
1719
1720 void EventHandler::SendEvent(TouchPoint& point, unsigned long timeStamp)
1721 {
1722   if(timeStamp < 1)
1723   {
1724     timeStamp = GetCurrentMilliSeconds();
1725   }
1726
1727   Integration::TouchEvent touchEvent;
1728   Integration::HoverEvent hoverEvent;
1729   Integration::TouchEventCombiner::EventDispatchType type = mCombiner.GetNextTouchEvent(point, timeStamp, touchEvent, hoverEvent);
1730   if(type != Integration::TouchEventCombiner::DispatchNone )
1731   {
1732     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);
1733
1734     // First the touch and/or hover event & related gesture events are queued
1735     if(type == Integration::TouchEventCombiner::DispatchTouch || type == Integration::TouchEventCombiner::DispatchBoth)
1736     {
1737       mCoreEventInterface.QueueCoreEvent( touchEvent );
1738       mGestureManager.SendEvent(touchEvent);
1739     }
1740
1741     if(type == Integration::TouchEventCombiner::DispatchHover || type == Integration::TouchEventCombiner::DispatchBoth)
1742     {
1743       mCoreEventInterface.QueueCoreEvent( hoverEvent );
1744     }
1745
1746     // Next the events are processed with a single call into Core
1747     mCoreEventInterface.ProcessCoreEvents();
1748   }
1749 }
1750
1751 void EventHandler::SendEvent(KeyEvent& keyEvent)
1752 {
1753   Dali::PhysicalKeyboard physicalKeyboard = PhysicalKeyboard::Get();
1754   if ( physicalKeyboard )
1755   {
1756     if ( ! KeyLookup::IsDeviceButton( keyEvent.keyPressedName.c_str() ) )
1757     {
1758       GetImplementation( physicalKeyboard ).KeyReceived( keyEvent.time > 1 );
1759     }
1760   }
1761
1762   // Create KeyEvent and send to Core.
1763   Integration::KeyEvent event(keyEvent.keyPressedName, keyEvent.keyPressed, keyEvent.keyCode,
1764   keyEvent.keyModifier, keyEvent.time, static_cast<Integration::KeyEvent::State>(keyEvent.state));
1765   mCoreEventInterface.QueueCoreEvent( event );
1766   mCoreEventInterface.ProcessCoreEvents();
1767 }
1768
1769 void EventHandler::SendWheelEvent( WheelEvent& wheelEvent )
1770 {
1771   // Create WheelEvent and send to Core.
1772   Integration::WheelEvent event( static_cast< Integration::WheelEvent::Type >(wheelEvent.type), wheelEvent.direction, wheelEvent.modifiers, wheelEvent.point, wheelEvent.z, wheelEvent.timeStamp );
1773   mCoreEventInterface.QueueCoreEvent( event );
1774   mCoreEventInterface.ProcessCoreEvents();
1775 }
1776
1777 void EventHandler::SendEvent( StyleChange::Type styleChange )
1778 {
1779   DALI_ASSERT_DEBUG( mStyleMonitor && "StyleMonitor Not Available" );
1780   GetImplementation( mStyleMonitor ).StyleChanged(styleChange);
1781 }
1782
1783 void EventHandler::SendEvent( const DamageArea& area )
1784 {
1785   mDamageObserver.OnDamaged( area );
1786 }
1787
1788 void EventHandler::SendRotationPrepareEvent( const RotationEvent& event )
1789 {
1790   if( mRotationObserver != NULL )
1791   {
1792     mRotationObserver->OnRotationPrepare( event );
1793   }
1794 }
1795
1796 void EventHandler::SendRotationRequestEvent( )
1797 {
1798   if( mRotationObserver != NULL )
1799   {
1800     mRotationObserver->OnRotationRequest( );
1801   }
1802 }
1803
1804 void EventHandler::FeedTouchPoint( TouchPoint& point, int timeStamp)
1805 {
1806   SendEvent(point, timeStamp);
1807 }
1808
1809 void EventHandler::FeedWheelEvent( WheelEvent& wheelEvent )
1810 {
1811   SendWheelEvent( wheelEvent );
1812 }
1813
1814 void EventHandler::FeedKeyEvent( KeyEvent& event )
1815 {
1816   SendEvent( event );
1817 }
1818
1819 void EventHandler::FeedEvent( Integration::Event& event )
1820 {
1821   mCoreEventInterface.QueueCoreEvent( event );
1822   mCoreEventInterface.ProcessCoreEvents();
1823 }
1824
1825 void EventHandler::Reset()
1826 {
1827   mCombiner.Reset();
1828
1829   // Any touch listeners should be told of the interruption.
1830   Integration::TouchEvent event;
1831   TouchPoint point(0, TouchPoint::Interrupted, 0, 0);
1832   event.AddPoint( point );
1833
1834   // First the touch event & related gesture events are queued
1835   mCoreEventInterface.QueueCoreEvent( event );
1836   mGestureManager.SendEvent( event );
1837
1838   // Next the events are processed with a single call into Core
1839   mCoreEventInterface.ProcessCoreEvents();
1840 }
1841
1842 void EventHandler::Pause()
1843 {
1844   mPaused = true;
1845   Reset();
1846 }
1847
1848 void EventHandler::Resume()
1849 {
1850   mPaused = false;
1851   Reset();
1852 }
1853
1854 void EventHandler::SetDragAndDropDetector( DragAndDropDetectorPtr detector )
1855 {
1856   mDragAndDropDetector = detector;
1857 }
1858
1859 void EventHandler::SetRotationObserver( RotationObserver* observer )
1860 {
1861   mRotationObserver = observer;
1862 }
1863
1864 } // namespace Adaptor
1865
1866 } // namespace Internal
1867
1868 } // namespace Dali