interface.c

video linux conference

}

/**
 * \brief Destroy the interface after the main loop endeed.
 *
 * Destroys interfaces and closes output devices
 * \param p_intf the interface thread
 * \return nothing
 */
void intf_Destroy( intf_thread_t *p_intf )
{
    /* Unlock module if present (a switch may have failed) */
    if( p_intf->p_module )
    {
        module_Unneed( p_intf, p_intf->p_module );
    }

    vlc_mutex_destroy( &p_intf->change_lock );

    /* Free structure */
    vlc_object_destroy( p_intf );
}


/* Following functions are local */

/*****************************************************************************
 * Manager: helper thread for blocking interfaces
 *****************************************************************************
 * If the interface is launched in the main thread, it will not listen to
 * p_vlc->b_die events because it is only supposed to listen to p_intf->b_die.
 * This thread takes care of the matter.
 *****************************************************************************/
/**
 * \brief Helper thread for blocking interfaces.
 * \ingroup vlc_interface
 *
 * This is a local function
 * If the interface is launched in the main thread, it will not listen to
 * p_vlc->b_die events because it is only supposed to listen to p_intf->b_die.
 * This thread takes care of the matter.
 * \see intf_RunThread
 * \param p_intf an interface thread
 * \return nothing
 */
static void Manager( intf_thread_t *p_intf )
{
    while( !p_intf->b_die )
    {
        msleep( INTF_IDLE_SLEEP );

        if( p_intf->p_vlc->b_die )
        {
            p_intf->b_die = VLC_TRUE;
#ifdef SYS_DARWIN
    if( strncmp( p_intf->p_vlc->psz_object_name, "clivlc", 6 ) )
    {
        [NSApp stop: NULL];
    }
#endif
            return;
        }
    }
}

/*****************************************************************************
 * RunInterface: setups necessary data and give control to the interface
 *****************************************************************************/
static void RunInterface( intf_thread_t *p_intf )
{
    static char *ppsz_interfaces[] =
    {
        "skins2", "Skins 2",
        "wxwindows", "wxWindows",
        NULL, NULL
    };
    char **ppsz_parser;

    vlc_list_t *p_list;
    int i;
    vlc_value_t val, text;
    char *psz_intf;

    /* Variable used for interface switching */
    p_intf->psz_switch_intf = NULL;
    var_Create( p_intf, "intf-switch", VLC_VAR_STRING |
                VLC_VAR_HASCHOICE | VLC_VAR_ISCOMMAND );
    text.psz_string = _("Switch interface");
    var_Change( p_intf, "intf-switch", VLC_VAR_SETTEXT, &text, NULL );

    /* Only fill the list with available modules */
    p_list = vlc_list_find( p_intf, VLC_OBJECT_MODULE, FIND_ANYWHERE );
    for( ppsz_parser = ppsz_interfaces; *ppsz_parser; ppsz_parser += 2 )
    {
        for( i = 0; i < p_list->i_count; i++ )
        {
            module_t *p_module = (module_t *)p_list->p_values[i].p_object;
            if( !strcmp( p_module->psz_object_name, ppsz_parser[0] ) )
            {
                val.psz_string = ppsz_parser[0];
                text.psz_string = ppsz_parser[1];
                var_Change( p_intf, "intf-switch", VLC_VAR_ADDCHOICE,
                            &val, &text );
                break;
            }
        }
    }
    vlc_list_release( p_list );

    var_AddCallback( p_intf, "intf-switch", SwitchIntfCallback, NULL );

    /* Variable used for interface spawning */
    var_Create( p_intf, "intf-add", VLC_VAR_STRING |
                VLC_VAR_HASCHOICE | VLC_VAR_ISCOMMAND );
    text.psz_string = _("Add Interface");
    var_Change( p_intf, "intf-add", VLC_VAR_SETTEXT, &text, NULL );

    val.psz_string = "rc"; text.psz_string = "Console";
    var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text );
    val.psz_string = "telnet"; text.psz_string = "Telnet Interface";
    var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text );
    val.psz_string = "http"; text.psz_string = "Web Interface";
    var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text );
    val.psz_string = "logger"; text.psz_string = "Debug logging";
    var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text );
    val.psz_string = "gestures"; text.psz_string = "Mouse Gestures";
    var_Change( p_intf, "intf-add", VLC_VAR_ADDCHOICE, &val, &text );

    var_AddCallback( p_intf, "intf-add", AddIntfCallback, NULL );

    do
    {
        /* Give control to the interface */
        p_intf->pf_run( p_intf );

        /* Reset play on start status */
        p_intf->b_play = VLC_FALSE;

        if( !p_intf->psz_switch_intf )
        {
            break;
        }

        /* Make sure the old interface is completely uninitialized */
        module_Unneed( p_intf, p_intf->p_module );

        /* Provide ability to switch the main interface on the fly */
        psz_intf = p_intf->psz_switch_intf;
        p_intf->psz_switch_intf = NULL;

        vlc_mutex_lock( &p_intf->object_lock );
        p_intf->b_die = VLC_FALSE;
        p_intf->b_dead = VLC_FALSE;
        vlc_mutex_unlock( &p_intf->object_lock );

        p_intf->p_module = module_Need( p_intf, "interface", psz_intf, 0 );
        free( psz_intf );
    }
    while( p_intf->p_module );
}

static int SwitchIntfCallback( vlc_object_t *p_this, char const *psz_cmd,
                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    intf_thread_t *p_intf = (intf_thread_t *)p_this;

    p_intf->psz_switch_intf =
        malloc( strlen(newval.psz_string) + sizeof(",none") );
    sprintf( p_intf->psz_switch_intf, "%s,none", newval.psz_string );
    p_intf->b_die = VLC_TRUE;

    return VLC_SUCCESS;
}

static int AddIntfCallback( vlc_object_t *p_this, char const *psz_cmd,
                         vlc_value_t oldval, vlc_value_t newval, void *p_data )
{
    intf_thread_t *p_intf;
    char *psz_intf = malloc( strlen(newval.psz_string) + sizeof(",none") );

    /* Try to create the interface */
    sprintf( psz_intf, "%s,none", newval.psz_string );
    p_intf = intf_Create( p_this->p_vlc, psz_intf );
    free( psz_intf );
    if( p_intf == NULL )
    {
        msg_Err( p_this, "interface \"%s\" initialization failed",
                 newval.psz_string );
        return VLC_EGENERIC;
    }

    /* Try to run the interface */
    p_intf->b_block = VLC_FALSE;
    if( intf_RunThread( p_intf ) != VLC_SUCCESS )
    {
        vlc_object_detach( p_intf );
        intf_Destroy( p_intf );
        return VLC_EGENERIC;
    }

    return VLC_SUCCESS;
}

#ifdef SYS_DARWIN
/*****************************************************************************
 * VLCApplication implementation 
 *****************************************************************************/
@implementation VLCApplication 

- (void)stop: (id)sender
{
    NSEvent *o_event;
    NSAutoreleasePool *o_pool;
    [super stop:sender];

    o_pool = [[NSAutoreleasePool alloc] init];
    /* send a dummy event to break out of the event loop */
    o_event = [NSEvent mouseEventWithType: NSLeftMouseDown
                location: NSMakePoint( 1, 1 ) modifierFlags: 0
                timestamp: 1 windowNumber: [[NSApp mainWindow] windowNumber]
                context: [NSGraphicsContext currentContext] eventNumber: 1
                clickCount: 1 pressure: 0.0];
    [NSApp postEvent: o_event atStart: YES];
    [o_pool release];
}

- (void)terminate: (id)sender
{
    if( [NSApp isRunning] )
        [NSApp stop:sender];
    [super terminate: sender];
}

@end
#endif