dbus.c

VLC Player Source Code

    if( dbus_error_is_set( &error ) )
    {
        msg_Err( (vlc_object_t*) p_this, "D-Bus message reading : %s\n",
                error.message );
        dbus_error_free( &error );
        return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
    }

    p_playlist = pl_Yield( (vlc_object_t*) p_this );
    playlist_Add( p_playlist, psz_mrl, NULL, PLAYLIST_APPEND |
            ( ( b_play == TRUE ) ? PLAYLIST_GO : 0 ) ,
            PLAYLIST_END, true, false );
    pl_Release( (vlc_object_t*) p_this );

    dbus_int32_t i_success = 0;
    ADD_INT32( &i_success );

    REPLY_SEND;
}

DBUS_METHOD( GetCurrentTrack )
{
    REPLY_INIT;
    OUT_ARGUMENTS;

    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
    dbus_int32_t i_position = p_playlist->i_current_index;
    pl_Release( (vlc_object_t*) p_this );

    ADD_INT32( &i_position );
    REPLY_SEND;
}

DBUS_METHOD( GetMetadata )
{
    REPLY_INIT;
    OUT_ARGUMENTS;
    DBusError error;
    dbus_error_init( &error );

    dbus_int32_t i_position;

    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
    PL_LOCK;

    dbus_message_get_args( p_from, &error,
           DBUS_TYPE_INT32, &i_position,
           DBUS_TYPE_INVALID );

    if( dbus_error_is_set( &error ) )
    {
        PL_UNLOCK;
        pl_Release( (vlc_object_t*) p_this );
        msg_Err( (vlc_object_t*) p_this, "D-Bus message reading : %s\n",
                error.message );
        dbus_error_free( &error );
        return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
    }

    if( i_position < p_playlist->current.i_size )
    {
        GetInputMeta( p_playlist->current.p_elems[i_position]->p_input, &args );
    }

    PL_UNLOCK;
    pl_Release( (vlc_object_t*) p_this );
    REPLY_SEND;
}

DBUS_METHOD( GetLength )
{
    REPLY_INIT;
    OUT_ARGUMENTS;

    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );
    dbus_int32_t i_elements = p_playlist->current.i_size;
    pl_Release( (vlc_object_t*) p_this );

    ADD_INT32( &i_elements );
    REPLY_SEND;
}

DBUS_METHOD( DelTrack )
{
    REPLY_INIT;

    DBusError error;
    dbus_error_init( &error );

    dbus_int32_t i_position;
    playlist_t *p_playlist = pl_Yield( (vlc_object_t*) p_this );

    dbus_message_get_args( p_from, &error,
            DBUS_TYPE_INT32, &i_position,
            DBUS_TYPE_INVALID );

    if( dbus_error_is_set( &error ) )
    {
        msg_Err( (vlc_object_t*) p_this, "D-Bus message reading : %s\n",
                error.message );
        dbus_error_free( &error );
        return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
    }

    PL_LOCK;
    if( i_position < p_playlist->current.i_size )
    {
        playlist_DeleteFromInput( p_playlist,
            p_playlist->current.p_elems[i_position]->p_input->i_id,
            pl_Locked );
    }
    PL_UNLOCK;

    pl_Release( (vlc_object_t*) p_this );

    REPLY_SEND;
}

DBUS_METHOD( SetLoop )
{
    REPLY_INIT;
    OUT_ARGUMENTS;

    DBusError error;
    dbus_bool_t b_loop;
    vlc_value_t val;
    playlist_t* p_playlist = NULL;

    dbus_error_init( &error );
    dbus_message_get_args( p_from, &error,
            DBUS_TYPE_BOOLEAN, &b_loop,
            DBUS_TYPE_INVALID );

    if( dbus_error_is_set( &error ) )
    {
        msg_Err( (vlc_object_t*) p_this, "D-Bus message reading : %s\n",
                error.message );
        dbus_error_free( &error );
        return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
    }

    val.b_bool = ( b_loop == TRUE ) ? true : false ;
    p_playlist = pl_Yield( (vlc_object_t*) p_this );
    var_Set ( p_playlist, "loop", val );
    pl_Release( ((vlc_object_t*) p_this) );

    REPLY_SEND;
}

DBUS_METHOD( Repeat )
{
    REPLY_INIT;
    OUT_ARGUMENTS;

    DBusError error;
    dbus_bool_t b_repeat;
    vlc_value_t val;
    playlist_t* p_playlist = NULL;

    dbus_error_init( &error );
    dbus_message_get_args( p_from, &error,
            DBUS_TYPE_BOOLEAN, &b_repeat,
            DBUS_TYPE_INVALID );

    if( dbus_error_is_set( &error ) )
    {
        msg_Err( (vlc_object_t*) p_this, "D-Bus message reading : %s\n",
                error.message );
        dbus_error_free( &error );
        return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
    }

    val.b_bool = ( b_repeat == TRUE ) ? true : false ;

    p_playlist = pl_Yield( (vlc_object_t*) p_this );
    var_Set ( p_playlist, "repeat", val );
    pl_Release( ((vlc_object_t*) p_this) );

    REPLY_SEND;
}

DBUS_METHOD( SetRandom )
{
    REPLY_INIT;
    OUT_ARGUMENTS;

    DBusError error;
    dbus_bool_t b_random;
    vlc_value_t val;
    playlist_t* p_playlist = NULL;

    dbus_error_init( &error );
    dbus_message_get_args( p_from, &error,
            DBUS_TYPE_BOOLEAN, &b_random,
            DBUS_TYPE_INVALID );

    if( dbus_error_is_set( &error ) )
    {
        msg_Err( (vlc_object_t*) p_this, "D-Bus message reading : %s\n",
                error.message );
        dbus_error_free( &error );
        return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
    }

    val.b_bool = ( b_random == TRUE ) ? true : false ;

    p_playlist = pl_Yield( (vlc_object_t*) p_this );
    var_Set ( p_playlist, "random", val );
    pl_Release( ((vlc_object_t*) p_this) );

    REPLY_SEND;
}
/*****************************************************************************
 * Introspection method
 *****************************************************************************/

DBUS_METHOD( handle_introspect_root )
{ /* handles introspection of root object */
    VLC_UNUSED(p_this);
    REPLY_INIT;
    OUT_ARGUMENTS;
    ADD_STRING( &psz_introspection_xml_data_root );
    REPLY_SEND;
}

DBUS_METHOD( handle_introspect_player )
{
    VLC_UNUSED(p_this);
    REPLY_INIT;
    OUT_ARGUMENTS;
    ADD_STRING( &psz_introspection_xml_data_player );
    REPLY_SEND;
}

DBUS_METHOD( handle_introspect_tracklist )
{
    VLC_UNUSED(p_this);
    REPLY_INIT;
    OUT_ARGUMENTS;
    ADD_STRING( &psz_introspection_xml_data_tracklist );
    REPLY_SEND;
}

/*****************************************************************************
 * handle_*: answer to incoming messages
 *****************************************************************************/

#define METHOD_FUNC( method, function ) \
    else if( dbus_message_is_method_call( p_from, MPRIS_DBUS_INTERFACE, method ) )\
        return function( p_conn, p_from, p_this )

DBUS_METHOD( handle_root )
{

    if( dbus_message_is_method_call( p_from,
                DBUS_INTERFACE_INTROSPECTABLE, "Introspect" ) )
        return handle_introspect_root( p_conn, p_from, p_this );

    /* here D-Bus method's names are associated to an handler */

    METHOD_FUNC( "Identity",                Identity );
    METHOD_FUNC( "MprisVersion",            MprisVersion );
    METHOD_FUNC( "Quit",                    Quit );

    return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}


DBUS_METHOD( handle_player )
{
    if( dbus_message_is_method_call( p_from,
                DBUS_INTERFACE_INTROSPECTABLE, "Introspect" ) )
        return handle_introspect_player( p_conn, p_from, p_this );

    /* here D-Bus method's names are associated to an handler */

    METHOD_FUNC( "Prev",                    Prev );
    METHOD_FUNC( "Next",                    Next );
    METHOD_FUNC( "Stop",                    Stop );
    METHOD_FUNC( "Play",                    Play );
    METHOD_FUNC( "Pause",                   Pause );
    METHOD_FUNC( "Repeat",                  Repeat );
    METHOD_FUNC( "VolumeSet",               VolumeSet );
    METHOD_FUNC( "VolumeGet",               VolumeGet );
    METHOD_FUNC( "PositionSet",             PositionSet );
    METHOD_FUNC( "PositionGet",             PositionGet );
    METHOD_FUNC( "GetStatus",               GetStatus );
    METHOD_FUNC( "GetMetadata",             GetCurrentMetadata );
    METHOD_FUNC( "GetCaps",                 GetCaps );

    return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}

DBUS_METHOD( handle_tracklist )
{
    if( dbus_message_is_method_call( p_from,
                DBUS_INTERFACE_INTROSPECTABLE, "Introspect" ) )
    return handle_introspect_tracklist( p_conn, p_from, p_this );

    /* here D-Bus method's names are associated to an handler */

    METHOD_FUNC( "GetMetadata",             GetMetadata );
    METHOD_FUNC( "GetCurrentTrack",         GetCurrentTrack );
    METHOD_FUNC( "GetLength",               GetLength );
    METHOD_FUNC( "AddTrack",                AddTrack );
    METHOD_FUNC( "DelTrack",                DelTrack );
    METHOD_FUNC( "SetLoop",                 SetLoop );
    METHOD_FUNC( "SetRandom",               SetRandom );

    return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}

/*****************************************************************************
 * Open: initialize interface
 *****************************************************************************/

static int Open( vlc_object_t *p_this )
{ /* initialisation of the connection */
    intf_thread_t   *p_intf = (intf_thread_t*)p_this;
    intf_sys_t      *p_sys  = malloc( sizeof( intf_sys_t ) );
    playlist_t      *p_playlist;
    DBusConnection  *p_conn;
    DBusError       error;

    if( !p_sys )
        return VLC_ENOMEM;

    p_sys->b_meta_read = false;
    p_sys->i_caps = CAPS_NONE;

    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 D-Bus session daemon: %s",
                error.message );
        dbus_error_free( &error );
        free( p_sys );
        return VLC_EGENERIC;
    }

    /* register a well-known name on the bus */
    dbus_bus_request_name( p_conn, VLC_MPRIS_DBUS_SERVICE, 0, &error );
    if( dbus_error_is_set( &error ) )
    {
        msg_Err( p_this, "Error requesting service " VLC_MPRIS_DBUS_SERVICE
                 ": %s", error.message );
        dbus_error_free( &error );
        free( p_sys );
        return VLC_EGENERIC;
    }

    /* we register the objects */
    dbus_connection_register_object_path( p_conn, MPRIS_DBUS_ROOT_PATH,
            &vlc_dbus_root_vtable, p_this );
    dbus_connection_register_object_path( p_conn, MPRIS_DBUS_PLAYER_PATH,
            &vlc_dbus_player_vtable, p_this );
    dbus_connection_register_object_path( p_conn, MPRIS_DBUS_TRACKLIST_PATH,
            &vlc_dbus_tracklist_vtable, p_this );

    dbus_connection_flush( p_conn );

    p_playlist = pl_Yield( p_intf );
    PL_LOCK;
    var_AddCallback( p_playlist, "playlist-current", TrackChange, p_intf );
    var_AddCallback( p_playlist, "intf-change", TrackListChangeEmit, p_intf );
    var_AddCallback( p_playlist, "item-append", TrackListChangeEmit, p_intf );
    var_AddCallback( p_playlist, "item-deleted", TrackListChangeEmit, p_intf );
    var_AddCallback( p_playlist, "random", StatusChangeEmit, p_intf );
    var_AddCallback( p_playlist, "repeat", StatusChangeEmit, p_intf );
    var_AddCallback( p_playlist, "loop", StatusChangeEmit, p_intf );
    PL_UNLOCK;
    pl_Release( p_intf );

    p_intf->pf_run = Run;
    p_intf->p_sys = p_sys;
    p_sys->p_conn = p_conn;

    UpdateCaps( p_intf, false );

    return VLC_SUCCESS;
}

/*****************************************************************************
 * Close: destroy interface
 *****************************************************************************/

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_intf );;
    input_thread_t  *p_input;

    p_this->b_dead = true;

    PL_LOCK;
    var_DelCallback( p_playlist, "playlist-current", TrackChange, p_intf );
    var_DelCallback( p_playlist, "intf-change", TrackListChangeEmit, p_intf );