Reorganize the dbus control module code

[vlc] / modules / control / dbus / dbus_common.h

diff --git a/modules/control/dbus/dbus_common.h b/modules/control/dbus/dbus_common.h
new file mode 100644 (file)
index 0000000..7007d4d
--- /dev/null
+++ b/modules/control/dbus/dbus_common.h
@@ -0,0 +1,110 @@
+/*****************************************************************************
+ * dbus-common.h : Common header for D-Bus control modules
+ *****************************************************************************
+ * Copyright © 2006-2008 Rafaël Carré
+ * Copyright © 2007-2010 Mirsal Ennaime
+ * Copyright © 2009-2010 The VideoLAN team
+ * $Id$
+ *
+ * Authors:    Mirsal ENNAIME <mirsal dot ennaime at gmail dot com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
+ *****************************************************************************/
+
+#ifndef _VLC_DBUS_COMMON_H
+#define _VLC_DBUS_COMMON_H
+
+#include <vlc_common.h>
+#include <vlc_interface.h>
+#include <dbus/dbus.h>
+
+/* MACROS */
+
+#define INTF ((intf_thread_t *)p_this)
+#define PL   (INTF->p_sys->p_playlist)
+
+#define DBUS_METHOD( method_function ) \
+    static DBusHandlerResult method_function \
+            ( DBusConnection *p_conn, DBusMessage *p_from, void *p_this )
+
+#define DBUS_SIGNAL( signal_function ) \
+    static DBusHandlerResult signal_function \
+            ( DBusConnection *p_conn, void *p_data )
+
+#define REPLY_INIT \
+    DBusMessage* p_msg = dbus_message_new_method_return( p_from ); \
+    if( !p_msg ) return DBUS_HANDLER_RESULT_NEED_MEMORY; \
+
+#define REPLY_SEND \
+    if( !dbus_connection_send( p_conn, p_msg, NULL ) ) \
+        return DBUS_HANDLER_RESULT_NEED_MEMORY; \
+    dbus_connection_flush( p_conn ); \
+    dbus_message_unref( p_msg ); \
+    return DBUS_HANDLER_RESULT_HANDLED
+
+#define SIGNAL_INIT( interface, path, signal ) \
+    DBusMessage *p_msg = dbus_message_new_signal( path, \
+        interface, signal ); \
+    if( !p_msg ) return DBUS_HANDLER_RESULT_NEED_MEMORY; \
+
+#define SIGNAL_SEND \
+    if( !dbus_connection_send( p_conn, p_msg, NULL ) ) \
+        return DBUS_HANDLER_RESULT_NEED_MEMORY; \
+    dbus_message_unref( p_msg ); \
+    dbus_connection_flush( p_conn ); \
+    return DBUS_HANDLER_RESULT_HANDLED
+
+#define OUT_ARGUMENTS \
+    DBusMessageIter args; \
+    dbus_message_iter_init_append( p_msg, &args )
+
+#define DBUS_ADD( dbus_type, value ) \
+    if( !dbus_message_iter_append_basic( &args, dbus_type, value ) ) \
+        return DBUS_HANDLER_RESULT_NEED_MEMORY
+
+#define ADD_STRING( s ) DBUS_ADD( DBUS_TYPE_STRING, s )
+#define ADD_BOOL( b ) DBUS_ADD( DBUS_TYPE_BOOLEAN, b )
+#define ADD_INT32( i ) DBUS_ADD( DBUS_TYPE_INT32, i )
+#define ADD_BYTE( b ) DBUS_ADD( DBUS_TYPE_BYTE, b )
+
+struct intf_sys_t
+{
+    DBusConnection *p_conn;
+    playlist_t     *p_playlist;
+    bool            b_meta_read;
+    dbus_int32_t    i_caps;
+    bool            b_dead;
+    vlc_array_t    *p_events;
+    vlc_mutex_t     lock;
+    input_thread_t *p_input;
+    bool            b_unique;
+};
+
+enum
+{
+    SIGNAL_ITEM_CURRENT,
+    SIGNAL_INTF_CHANGE,
+    SIGNAL_PLAYLIST_ITEM_APPEND,
+    SIGNAL_PLAYLIST_ITEM_DELETED,
+    SIGNAL_RANDOM,
+    SIGNAL_REPEAT,
+    SIGNAL_LOOP,
+    SIGNAL_STATE
+};
+
+int GetInputMeta  ( input_item_t* p_input, DBusMessageIter *args );
+int UpdateCaps    ( intf_thread_t* );
+
+#endif //dbus-common.h