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dbus.h
资源名称：vlc-1.0.5.zip　[点击查看]
上传用户：kjfoods
上传日期：2020-07-06
资源大小：29949k
文件大小：8k
源码类别：

midi

开发平台：

Unix_Linux

dbus.h：源码内容
  1. /*****************************************************************************
  2.  * dbus.h : D-Bus control interface
  3.  *****************************************************************************
  4.  * Copyright (C) 2006 Rafaël Carré
  5.  * $Id: 929588b8a54e62ad75e85e0b12a04f4cffa2fb35 $
  6.  *
  7.  * Authors:    Rafaël Carré <funman at videolanorg>
  8.  *             Mirsal ENNAIME <mirsal dot ennaime at gmail dot com>
  9.  *
  10.  * This program is free software; you can redistribute it and/or modify
  11.  * it under the terms of the GNU General Public License as published by
  12.  * the Free Software Foundation; either version 2 of the License, or
  13.  * (at your option) any later version.
  14.  *
  15.  * This program is distributed in the hope that it will be useful,
  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18.  * GNU General Public License for more details.
  19.  *
  20.  * You should have received a copy of the GNU General Public License
  21.  * along with this program; if not, write to the Free Software
  22.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23.  *****************************************************************************/
  25. /* MPRIS VERSION */
  26. #define VLC_MPRIS_VERSION_MAJOR     1
  27. #define VLC_MPRIS_VERSION_MINOR     0
  29. /* DBUS IDENTIFIERS */
  31. /* name registered on the session bus */
  32. #define VLC_MPRIS_DBUS_SERVICE      "org.mpris.vlc"
  33. #define MPRIS_DBUS_INTERFACE        "org.freedesktop.MediaPlayer"
  34. #define MPRIS_DBUS_ROOT_PATH        "/"
  35. #define MPRIS_DBUS_PLAYER_PATH      "/Player"
  36. #define MPRIS_DBUS_TRACKLIST_PATH   "/TrackList"
  38. /* MACROS */
  40. #define DBUS_METHOD( method_function ) 
  41.     static DBusHandlerResult method_function 
  42.             ( DBusConnection *p_conn, DBusMessage *p_from, void *p_this )
  44. #define DBUS_SIGNAL( signal_function ) 
  45.     static DBusHandlerResult signal_function 
  46.             ( DBusConnection *p_conn, void *p_data )
  48. #define REPLY_INIT 
  49.     DBusMessage* p_msg = dbus_message_new_method_return( p_from ); 
  50.     if( !p_msg ) return DBUS_HANDLER_RESULT_NEED_MEMORY; 
  52. #define REPLY_SEND 
  53.     if( !dbus_connection_send( p_conn, p_msg, NULL ) ) 
  54.         return DBUS_HANDLER_RESULT_NEED_MEMORY; 
  55.     dbus_connection_flush( p_conn ); 
  56.     dbus_message_unref( p_msg ); 
  57.     return DBUS_HANDLER_RESULT_HANDLED
  59. #define SIGNAL_INIT( signal ) 
  60.     DBusMessage *p_msg = dbus_message_new_signal( MPRIS_DBUS_PLAYER_PATH, 
  61.         MPRIS_DBUS_INTERFACE, signal ); 
  62.     if( !p_msg ) return DBUS_HANDLER_RESULT_NEED_MEMORY; 
  64. #define SIGNAL_SEND 
  65.     if( !dbus_connection_send( p_conn, p_msg, NULL ) ) 
  66.         return DBUS_HANDLER_RESULT_NEED_MEMORY; 
  67.     dbus_message_unref( p_msg ); 
  68.     dbus_connection_flush( p_conn ); 
  69.     return DBUS_HANDLER_RESULT_HANDLED
  71. #define OUT_ARGUMENTS 
  72.     DBusMessageIter args; 
  73.     dbus_message_iter_init_append( p_msg, &args )
  75. #define DBUS_ADD( dbus_type, value ) 
  76.     if( !dbus_message_iter_append_basic( &args, dbus_type, value ) ) 
  77.         return DBUS_HANDLER_RESULT_NEED_MEMORY
  79. #define ADD_STRING( s ) DBUS_ADD( DBUS_TYPE_STRING, s )
  80. #define ADD_BOOL( b ) DBUS_ADD( DBUS_TYPE_BOOLEAN, b )
  81. #define ADD_INT32( i ) DBUS_ADD( DBUS_TYPE_INT32, i )
  82. #define ADD_BYTE( b ) DBUS_ADD( DBUS_TYPE_BYTE, b )
  84. /* XML data to answer org.freedesktop.DBus.Introspectable.Introspect requests */
  86. const char* psz_introspection_xml_data_root =
  87. "<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"n"
  88. ""http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">n"
  89. "<node>n"
  90. "  <node name="Player"/>n"
  91. "  <node name="TrackList"/>n"
  92. "  <interface name="org.freedesktop.DBus.Introspectable">n"
  93. "    <method name="Introspect">n"
  94. "      <arg name="data" direction="out" type="s"/>n"
  95. "    </method>n"
  96. "  </interface>n"
  97. "  <interface name="org.freedesktop.MediaPlayer">n"
  98. "    <method name="Identity">n"
  99. "      <arg type="s" direction="out" />n"
  100. "    </method>n"
  101. "    <method name="MprisVersion">n"
  102. "      <arg type="(qq)" direction="out" />n"
  103. "    </method>n"
  104. "    <method name="Quit">n"
  105. "    </method>n"
  106. "  </interface>n"
  107. "</node>n"
  108. ;
  110. const char* psz_introspection_xml_data_player =
  111. "<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"n"
  112. ""http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">n"
  113. "<node>"
  114. "  <interface name="org.freedesktop.DBus.Introspectable">n"
  115. "    <method name="Introspect">n"
  116. "      <arg name="data" direction="out" type="s"/>n"
  117. "    </method>n"
  118. "  </interface>n"
  119. "  <interface name="org.freedesktop.MediaPlayer">n"
  120. "    <method name="GetStatus">n"
  121. "      <arg type="(iiii)" direction="out" />n"
  122. "    </method>n"
  123. "    <method name="Prev">n"
  124. "    </method>n"
  125. "    <method name="Next">n"
  126. "    </method>n"
  127. "    <method name="Stop">n"
  128. "    </method>n"
  129. "    <method name="Play">n"
  130. "    </method>n"
  131. "    <method name="Pause">n"
  132. "    </method>n"
  133. "    <method name="Repeat">n"
  134. "      <arg type="b" direction="in" />n"
  135. "    </method>n"
  136. "    <method name="VolumeSet">n"
  137. "      <arg type="i" direction="in" />n"
  138. "    </method>n"
  139. "    <method name="VolumeGet">n"
  140. "      <arg type="i" direction="out" />n"
  141. "    </method>n"
  142. "    <method name="PositionSet">n"
  143. "      <arg type="i" direction="in" />n"
  144. "    </method>n"
  145. "    <method name="PositionGet">n"
  146. "      <arg type="i" direction="out" />n"
  147. "    </method>n"
  148. "    <method name="GetMetadata">n"
  149. "      <arg type="a{sv}" direction="out" />n"
  150. "    </method>n"
  151. "    <method name="GetCaps">n"
  152. "      <arg type="i" direction="out" />n"
  153. "    </method>n"
  154. "    <signal name="TrackChange">n"
  155. "      <arg type="a{sv}"/>n"
  156. "    </signal>n"
  157. "    <signal name="StatusChange">n"
  158. "      <arg type="(iiii)"/>n"
  159. "    </signal>n"
  160. "    <signal name="CapsChange">n"
  161. "      <arg type="i"/>n"
  162. "    </signal>n"
  163. "  </interface>n"
  164. "</node>n"
  165. ;
  167. const char* psz_introspection_xml_data_tracklist =
  168. "<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"n"
  169. ""http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">n"
  170. "<node>"
  171. "  <interface name="org.freedesktop.DBus.Introspectable">n"
  172. "    <method name="Introspect">n"
  173. "      <arg name="data" direction="out" type="s"/>n"
  174. "    </method>n"
  175. "  </interface>n"
  176. "  <interface name="org.freedesktop.MediaPlayer">n"
  177. "    <method name="AddTrack">n"
  178. "      <arg type="s" direction="in" />n"
  179. "      <arg type="b" direction="in" />n"
  180. "      <arg type="i" direction="out" />n"
  181. "    </method>n"
  182. "    <method name="DelTrack">n"
  183. "      <arg type="i" direction="in" />n"
  184. "    </method>n"
  185. "    <method name="GetMetadata">n"
  186. "      <arg type="i" direction="in" />n"
  187. "      <arg type="a{sv}" direction="out" />n"
  188. "    </method>n"
  189. "    <method name="GetCurrentTrack">n"
  190. "      <arg type="i" direction="out" />n"
  191. "    </method>n"
  192. "    <method name="GetLength">n"
  193. "      <arg type="i" direction="out" />n"
  194. "    </method>n"
  195. "    <method name="SetLoop">n"
  196. "      <arg type="b" direction="in" />n"
  197. "    </method>n"
  198. "    <method name="SetRandom">n"
  199. "      <arg type="b" direction="in" />n"
  200. "    </method>n"
  201. "    <signal name="TrackListChange">n"
  202. "      <arg type="i" />n"
  203. "    </signal>n"
  204. "  </interface>n"
  205. "</node>n"
  206. ;
  209. /* Handle  messages reception */
  210. DBUS_METHOD( handle_root );
  211. DBUS_METHOD( handle_player );
  212. DBUS_METHOD( handle_tracklist );
  214. static const DBusObjectPathVTable vlc_dbus_root_vtable = {
  215.         NULL, handle_root, /* handler function */
  216.         NULL, NULL, NULL, NULL
  217. };
  219. static const DBusObjectPathVTable vlc_dbus_player_vtable = {
  220.         NULL, handle_player, /* handler function */
  221.         NULL, NULL, NULL, NULL
  222. };
  224. static const DBusObjectPathVTable vlc_dbus_tracklist_vtable = {
  225.         NULL, handle_tracklist, /* handler function */
  226.         NULL, NULL, NULL, NULL
  227. };