probe_event/orientation.c

   1 /*
   2  *  DA probe
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact:
   7  *
   8  * Jaewon Lim <jaewon81.lim@samsung.com>
   9  * Woojin Jung <woojin2.jung@samsung.com>
  10  * Juyoung Kim <j0.kim@samsung.com>
  11  *
  12  * This library is free software; you can redistribute it and/or modify it under
  13  * the terms of the GNU Lesser General Public License as published by the
  14  * Free Software Foundation; either version 2.1 of the License, or (at your option)
  15  * any later version.
  16  *
  17  * This library is distributed in the hope that it will be useful, but WITHOUT ANY
  18  * WARRANTY; without even the implied warranty of MERCHANTABILITY or
  19  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
  20  * License for more details.
  21  *
  22  * You should have received a copy of the GNU Lesser General Public License
  23  * along with this library; if not, write to the Free Software Foundation, Inc., 51
  24  * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  25  *
  26  * Contributors:
  27  * - S-Core Co., Ltd
  28  *
  29  */
  30
  31 #include <Ecore.h>
  32 #include <Ecore_X.h>
  33
  34 #include "daprobe.h"
  35 #include "dahelper.h"
  36
  37
  38 Ecore_Event_Handler *register_orientation_event_listener();
  39 void unregister_orientation_event_listener(Ecore_Event_Handler **handler);
  40
  41 Ecore_Event_Handler *handler = NULL;
  42
  43
  44 Eina_Bool _da_onclientmessagereceived(void __unused *pData, int __unused type,
  45                                       void *pEvent)
  46 {
  47         Ecore_X_Event_Client_Message *pClientEvent;
  48
  49         probeBlockStart();
  50         pClientEvent = (Ecore_X_Event_Client_Message*)pEvent;
  51
  52         //This code from ecore_x
  53         //So I don't know what 32 does mean
  54         if (pClientEvent->format != 32)
  55                 return ECORE_CALLBACK_PASS_ON;
  56
  57         if (pClientEvent != NULL) {
  58                 if (pClientEvent->message_type ==
  59                     ECORE_X_ATOM_E_WINDOW_ROTATION_CHANGE_PREPARE) {
  60                         int orientation = (int)pClientEvent->data.l[1];
  61                         on_orientation_changed(orientation, false);
  62                 }
  63         }
  64         probeBlockEnd();
  65
  66         return ECORE_CALLBACK_RENEW;
  67 }
  68
  69 Ecore_Event_Handler *register_orientation_event_listener()
  70 {
  71         Ecore_Event_Handler *handler;
  72         probeBlockStart();
  73
  74         handler = ecore_event_handler_add(ECORE_X_EVENT_CLIENT_MESSAGE,
  75                                           _da_onclientmessagereceived, NULL);
  76
  77         probeBlockEnd();
  78
  79         return handler;
  80 }
  81
  82 void unregister_orientation_event_listener(Ecore_Event_Handler **handler)
  83 {
  84         probeBlockStart();
  85         if (*handler) {
  86                 ecore_event_handler_del(*handler);
  87                 *handler = NULL;
  88         }
  89         probeBlockEnd();
  90 }