Commit 15e5136b authored by Rafaël Carré's avatar Rafaël Carré

New Telepathy plugin, to customize user Presence with MissionControl

parent 6a604066
......@@ -123,6 +123,7 @@ Interfaces:
* Motion module use disk accelerometers to keep video horizontal
* Ncurses interface now uses ncursesw to correctly display wide characters
when using an UTF-8 locale.
* Plugin to set Telepathy presence message using MissionControl
Linux Port:
* VLC now complies with the XDG Base Directory Specification version 0.6
......
......@@ -890,6 +890,14 @@ then
VLC_ADD_PLUGINS([dbus])
VLC_ADD_LDFLAGS([dbus],[$DBUS_LIBS])
VLC_ADD_CFLAGS([dbus],[$DBUS_CFLAGS])
fi
dnl Check for Telepathy
AC_ARG_ENABLE(telepathy,
[ --enable-telepathy Telepathy Presence plugin through DBus(default enabled)])
if test "${enable_telepathy}" != "no"; then
VLC_ADD_PLUGINS([telepathy])
VLC_ADD_LDFLAGS([telepathy],[$DBUS_LIBS])
VLC_ADD_CFLAGS([telepathy],[$DBUS_CFLAGS])
fi],
if ${PKG_CONFIG} --exists dbus-1
......
......@@ -2,3 +2,4 @@ SOURCES_msn = msn.c
SOURCES_growl = growl.c
SOURCES_notify = notify.c
SOURCES_xosd = xosd.c
SOURCES_telepathy = telepathy.c
/*****************************************************************************
* telepathy.c : changes Telepathy Presence information using MissionControl
*****************************************************************************
* Copyright © 2007 the VideoLAN team
* $Id$
*
* Author: Rafaël Carré <funman@videoanorg>
*
* 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.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#include <vlc/vlc.h>
#include <vlc_interface.h>
#include <vlc_meta.h>
#include <vlc_playlist.h>
#include <vlc_strings.h>
#include <dbus/dbus.h>
/*****************************************************************************
* intf_sys_t: description and status of log interface
*****************************************************************************/
struct intf_sys_t
{
char *psz_format;
DBusConnection *p_conn;
};
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static int Open ( vlc_object_t * );
static void Close ( vlc_object_t * );
static int ItemChange( vlc_object_t *, const char *,
vlc_value_t, vlc_value_t, void * );
static int SendToTelepathy( intf_thread_t *, const char * );
/*****************************************************************************
* Module descriptor
*****************************************************************************/
#define FORMAT_DEFAULT "$a - $t"
#define FORMAT_TEXT N_("Title format string")
#define FORMAT_LONGTEXT N_("Format of the string to send to Telepathy." \
"Defaults to \"Artist - Title\" ($a - $t)." \
"You can use the following substitutions: " \
"$a Artist, $b Album, $c, Copyright, $d Description, $e Encoder, $g Genre, " \
"$l Language, $n number, $p Now Playing, $r Rating, $s Subtitles language, " \
"$t Title, $u URL, $A Date, $B Bitrate, $C Chapter, $D Duration, $F URI, " \
"$I Video Title, $L Time Remaining, $N Name, $O Audio language, $P Position, " \
"$R Rate, $S Sample rate, $T Time elapsed, $U Publisher, $V Volume")
vlc_module_begin();
set_category( CAT_INTERFACE );
set_subcategory( SUBCAT_INTERFACE_CONTROL );
set_shortname( "Telepathy" );
set_description( _("Telepathy « Now Playing » using MissionControl") );
add_string( "telepathy-format", FORMAT_DEFAULT, NULL,
FORMAT_TEXT, FORMAT_LONGTEXT, VLC_FALSE );
set_capability( "interface", 0 );
set_callbacks( Open, Close );
vlc_module_end();
/*****************************************************************************
* Open: initialize and create stuff
*****************************************************************************/
static int Open( vlc_object_t *p_this )
{
intf_thread_t *p_intf = (intf_thread_t *)p_this;
playlist_t *p_playlist;
DBusConnection *p_conn;
DBusError error;
MALLOC_ERR( p_intf->p_sys, intf_sys_t );
p_intf->p_sys->psz_format = config_GetPsz( p_intf, "telepathy-format" );
if( !p_intf->p_sys->psz_format )
{
msg_Dbg( p_intf, "no format provided" );
p_intf->p_sys->psz_format = strdup( FORMAT_DEFAULT );
}
msg_Dbg( p_intf, "using format: %s", p_intf->p_sys->psz_format );
p_playlist = pl_Yield( p_intf );
var_AddCallback( p_playlist, "item-change", ItemChange, p_intf );
var_AddCallback( p_playlist, "playlist-current", ItemChange, p_intf );
pl_Release( p_intf );
dbus_threads_init_default();
dbus_error_init( &error );
/* connect to the session bus */
p_conn = dbus_bus_get( DBUS_BUS_SESSION, &error );
if( !p_conn )
{
msg_Err( p_this, "Failed to connect to the DBus session daemon: %s",
error.message );
dbus_error_free( &error );
free( p_intf->p_sys );
return VLC_EGENERIC;
}
p_intf->p_sys->p_conn = p_conn;
return VLC_SUCCESS;
}
/*****************************************************************************
* Close: destroy interface stuff
*****************************************************************************/
static void Close( vlc_object_t *p_this )
{
intf_thread_t *p_intf = (intf_thread_t *)p_this;
playlist_t *p_playlist = pl_Yield( p_this );
/* Clears the Presence message ... else it looks like we're still playing
* something although VLC (or the Telepathy plugin) is closed */
/* Do not check for VLC_ENOMEM as we're closing */
SendToTelepathy( p_intf, "" );
var_DelCallback( p_playlist, "item-change", ItemChange, p_intf );
var_DelCallback( p_playlist, "playlist-current", ItemChange, p_intf );
pl_Release( p_this );
/* we won't use the DBus connection anymore */
dbus_connection_unref( p_intf->p_sys->p_conn );
/* Destroy structure */
free( p_intf->p_sys->psz_format );
free( p_intf->p_sys );
}
/*****************************************************************************
* ItemChange: Playlist item change callback
*****************************************************************************/
static int ItemChange( vlc_object_t *p_this, const char *psz_var,
vlc_value_t oldval, vlc_value_t newval, void *param )
{
intf_thread_t *p_intf = (intf_thread_t *)param;
char *psz_buf = NULL;
input_thread_t *p_input;
playlist_t *p_playlist = pl_Yield( p_this );
p_input = p_playlist->p_input;
pl_Release( p_this );
if( !p_input ) return VLC_SUCCESS;
vlc_object_yield( p_input );
if( p_input->b_dead || !input_GetItem(p_input)->psz_name )
{
vlc_object_release( p_input );
/* Not playing anything ... */
switch( SendToTelepathy( p_intf, "" ) )
{
case VLC_ENOMEM:
Close( p_this );
return VLC_ENOMEM;
default:
return VLC_SUCCESS;
}
}
/* We format the string to be displayed */
psz_buf = str_format_meta( p_this, p_intf->p_sys->psz_format );
/* We don't need the input anymore */
vlc_object_release( p_input );
if( SendToTelepathy( p_intf, psz_buf ) == VLC_ENOMEM )
{
free( psz_buf );
Close( p_this );
return VLC_ENOMEM;
}
free( psz_buf );
return VLC_SUCCESS;
}
/*****************************************************************************
* SendToTelepathy
*****************************************************************************/
static int SendToTelepathy( intf_thread_t *p_intf, const char *psz_msg )
{
DBusConnection *p_conn;
DBusMessage *p_msg;
DBusMessage *p_reply;
DBusMessageIter args;
DBusError error;
dbus_error_init( &error );
dbus_uint32_t i_status;
p_conn = p_intf->p_sys->p_conn;
/* first we need to get the actual status */
p_msg = dbus_message_new_method_call(
"org.freedesktop.Telepathy.MissionControl",
"/org/freedesktop/Telepathy/MissionControl",
"org.freedesktop.Telepathy.MissionControl",
"GetPresence" );
if( !p_msg )
return VLC_ENOMEM;
p_reply = dbus_connection_send_with_reply_and_block( p_conn, p_msg,
1000, &error );
dbus_message_unref( p_msg );
if( p_reply == NULL )
{ /* MC is not active, or too slow. Better luck next time? */
return VLC_SUCCESS;
}
/* extract the status from the reply */
if( dbus_message_get_args( p_reply, &error,
DBUS_TYPE_UINT32, &i_status,
DBUS_TYPE_INVALID ) == FALSE )
{
return VLC_ENOMEM;
}
p_msg = dbus_message_new_method_call(
"org.freedesktop.Telepathy.MissionControl",
"/org/freedesktop/Telepathy/MissionControl",
"org.freedesktop.Telepathy.MissionControl",
"SetPresence" );
if( !p_msg )
return VLC_ENOMEM;
dbus_message_iter_init_append( p_msg, &args );
/* first argument is the status */
if( !dbus_message_iter_append_basic( &args, DBUS_TYPE_UINT32, &i_status ) )
{
dbus_message_unref( p_msg );
return VLC_ENOMEM;
}
/* second argument is the message */
if( !dbus_message_iter_append_basic( &args, DBUS_TYPE_STRING, &psz_msg ) )
{
dbus_message_unref( p_msg );
return VLC_ENOMEM;
}
if( !dbus_connection_send( p_conn, p_msg, NULL ) )
return VLC_ENOMEM;
dbus_connection_flush( p_conn );
dbus_message_unref( p_msg );
return VLC_SUCCESS;
}
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