functions.js

VLC Player Source Code

    /* Use hotkey name (without the "key-" part) as the argument to simulate a hotkey press */
    loadXMLDoc( 'requests/status.xml?command=key&val='+str, parse_status );
}
function update_status()
{
    loadXMLDoc( 'requests/status.xml', parse_status );
}
function update_playlist()
{
    loadXMLDoc( 'requests/playlist.xml', parse_playlist );
}
function update_playlist_search(key)
{
    loadXMLDoc( 'requests/playlist.xml?search='+encodeURIComponent(key), parse_playlist )
}
function reset_search()
{
    var search = document.getElementById('search')
    if( search )
    {
        search.value = '<search>'
        update_playlist_search('')
    }
}

/**********************************************************************
 * Parse xml replies to XMLHttpRequests
 *********************************************************************/
/* parse request/status.xml */
function parse_status()
{
    if( req.readyState == 4 )
    {
        if( req.status == 200 )
        {
            var status = req.responseXML.documentElement;
            var timetag = status.getElementsByTagName( 'time' );
            if( timetag.length > 0 )
            {
                var new_time = timetag[0].firstChild.data;
            }
            else
            {
                new_time = old_time;
            }
            var lengthtag = status.getElementsByTagName( 'length' );
            var length;
            if( lengthtag.length > 0 )
            {
                length = lengthtag[0].firstChild.data;
            }
            else
            {
                length = 0;
            }
            var slider_position;
            positiontag = status.getElementsByTagName( 'position' );
            if( length < 100 && positiontag.length > 0 )
            {
                slider_position = ( positiontag[0].firstChild.data * 4 ) + "px";
            }
            else if( length > 0 )
            {
                /* this is more precise if length > 100 */
                slider_position = Math.floor( ( new_time * 400 ) / length ) + "px";
            }
            else
            {
                slider_position = 0;
            }
            if( old_time > new_time )
                setTimeout('update_playlist()',50);
            old_time = new_time;
            set_text( 'time', format_time( new_time ) );
            set_text( 'length', format_time( length ) );
            if( status.getElementsByTagName( 'volume' ).length != 0 )
                set_text( 'volume', Math.floor(status.getElementsByTagName( 'volume' )[0].firstChild.data/5.12)+'%' );
            var statetag = status.getElementsByTagName( 'state' );
            if( statetag.length > 0 )
            {
            	set_text( 'state', statetag[0].firstChild.data );
            }
            else
            {
                set_text( 'state', '(?)' );
            }
            if( slider_mouse_down == 0 )
            {
                document.getElementById( 'main_slider_point' ).style.left = slider_position;
            }
            var statustag = status.getElementsByTagName( 'state' );
            if( statustag.length > 0 ? statustag[0].firstChild.data == "playing" : 0 )
            {
                document.getElementById( 'btn_pause_img' ).setAttribute( 'src', 'images/pause.png' );
                document.getElementById( 'btn_pause_img' ).setAttribute( 'alt', 'Pause' );
                document.getElementById( 'btn_pause' ).setAttribute( 'title', 'Pause' );
            }
            else
            {
                document.getElementById( 'btn_pause_img' ).setAttribute( 'src', 'images/play.png' );
                document.getElementById( 'btn_pause_img' ).setAttribute( 'alt', 'Play' );
                document.getElementById( 'btn_pause' ).setAttribute( 'title', 'Play' );
            }

            var randomtag = status.getElementsByTagName( 'random' );
            if( randomtag.length > 0 ? randomtag[0].firstChild.data == "1" : 0)
                setclass( document.getElementById( 'btn_shuffle'), 'on' );
            else
                setclass( document.getElementById( 'btn_shuffle'), 'off' );
               
            var looptag = status.getElementsByTagName( 'loop' );
            if( looptag.length > 0 ? looptag[0].firstChild.data == "1" : 0)
                setclass( document.getElementById( 'btn_loop'), 'on' );
            else
                setclass( document.getElementById( 'btn_loop'), 'off' );

            var repeattag = status.getElementsByTagName( 'repeat' );
            if( repeattag.length > 0 ? repeattag[0].firstChild.data == "1" : 0 )
                setclass( document.getElementById( 'btn_repeat'), 'on' );
            else
                setclass( document.getElementById( 'btn_repeat'), 'off' );

            var tree = document.createElement( "ul" );
            var categories = status.getElementsByTagName( 'category' );
            var i;
            for( i = 0; i < categories.length; i++ )
            {
                var item = document.createElement( "li" );
                item.appendChild( document.createTextNode( categories[i].getAttribute( 'name' ) ) );
                var subtree = document.createElement( "dl" );
                var infos = categories[i].getElementsByTagName( 'info' );
                var j;
                for( j = 0; j < infos.length; j++ )
                {
                    var subitem = document.createElement( "dt" );
                    subitem.appendChild( document.createTextNode( infos[j].getAttribute( 'name' ) ) );
                    subtree.appendChild( subitem );
                    if( infos[j].hasChildNodes() )
                    {
                        var subitem = document.createElement( "dd" );
                        subitem.appendChild( document.createTextNode( infos[j].firstChild.data ) );
                        subtree.appendChild( subitem );
                    }
                }
                item.appendChild( subtree );
                tree.appendChild( item );
            }
            var infotree = document.getElementById('infotree' );
            clear_children( infotree );
            infotree.appendChild( tree );
            
        }
        else
        {
            /*alert( 'Error! HTTP server replied: ' + req.status );*/
        }
    }
}

/* parse playlist.xml */
function parse_playlist()
{
    if( req.readyState == 4 )
    {
        if( req.status == 200 )
        {
            var answer = req.responseXML.documentElement;
            var playtree = document.getElementById( 'playtree' );
            var pos = document.createElement( "div" );
            var pos_top = pos;
            var elt = answer.firstChild;
            
            pl_cur_id = 0;  /* changed to the current id is there actually
                             * is a current id */
            while( elt )
            {
                if( elt.nodeName == "node" )
                {
                    if( pos.hasChildNodes() )
                        pos.appendChild( document.createElement( "br" ) );
                    var nda = document.createElement( 'a' );
                    nda.setAttribute( 'href', 'javascript:toggle_show_node(\''+elt.getAttribute( 'id' )+'\');' );
                    var ndai = document.createElement( 'img' );
                    ndai.setAttribute( 'src', 'images/minus.png' );
                    ndai.setAttribute( 'alt', '[-]' );
                    ndai.setAttribute( 'id', 'pl_img_'+elt.getAttribute( 'id' ) );
                    nda.appendChild( ndai );
                    pos.appendChild( nda );
                    pos.appendChild( document.createTextNode( ' ' + elt.getAttribute( 'name' ) ) );

                    if( elt.getAttribute( 'ro' ) == 'rw' )
                    {
                        pos.appendChild( document.createTextNode( ' ' ) );
                        var del = document.createElement( "a" );
                        del.setAttribute( 'href', 'javascript:pl_delete('+elt.getAttribute( 'id' )+')' );
                            var delimg = document.createElement( "img" );
                            delimg.setAttribute( 'src', 'images/delete_small.png' );
                            delimg.setAttribute( 'alt', '(delete)' );
                        del.appendChild( delimg );
                        pos.appendChild( del );
                    }

                    var nd = document.createElement( "div" );
                    setclass( nd, 'pl_node' );
                    nd.setAttribute( 'id', 'pl_'+elt.getAttribute( 'id' ) );
                    pos.appendChild( nd );
                }
                else if( elt.nodeName == "leaf" )
                {
                    if( pos.hasChildNodes() )
                    pos.appendChild( document.createElement( "br" ) );
                    var pl = document.createElement( "a" );
                    setclass( pl, 'pl_leaf' );
                    pl.setAttribute( 'href', 'javascript:pl_play('+elt.getAttribute( 'id' )+');' );
                    pl.setAttribute( 'id', 'pl_'+elt.getAttribute( 'id' ) );
                    if( elt.getAttribute( 'current' ) == 'current' )
                    {
                        pl.style.fontWeight = 'bold';
                        var nowplaying = document.getElementById( 'nowplaying' );
                        clear_children( nowplaying );
                        nowplaying.appendChild( document.createTextNode( elt.getAttribute( 'name' ) ) );
                        pl.appendChild( document.createTextNode( '* '));
                        pl_cur_id = elt.getAttribute( 'id' );
                    }
                    pl.setAttribute( 'title', elt.getAttribute( 'uri' ));
                    pl.appendChild( document.createTextNode( elt.getAttribute( 'name' ) ) );
                    var duration = elt.getAttribute( 'duration' );
                    if( duration > 0 )
                        pl.appendChild( document.createTextNode( " (" + format_time( elt.getAttribute( 'duration' ) / 1000000 ) + ")" ) );
                    pos.appendChild( pl );

                    if( elt.getAttribute( 'ro' ) == 'rw' )
                    {
                        pos.appendChild( document.createTextNode( ' ' ) );
                        var del = document.createElement( "a" );
                        del.setAttribute( 'href', 'javascript:pl_delete('+elt.getAttribute( 'id' )+')' );
                            var delimg = document.createElement( "img" );
                            delimg.setAttribute( 'src', 'images/delete_small.png' );
                            delimg.setAttribute( 'alt', '(delete)' );
                        del.appendChild( delimg );
                        pos.appendChild( del );
                    }
                }
                if( elt.firstChild )
                {
                    elt = elt.firstChild;
                    pos = pos.lastChild;
                }
                else if( elt.nextSibling )
                {
                    elt = elt.nextSibling;
                    pos = pos;
                }
                else
                {
                    while( ! elt.parentNode.nextSibling )
                    {
                        elt = elt.parentNode;
                        if( ! elt.parentNode ) break;
                        pos = pos.parentNode;
                    }
                    if( ! elt.parentNode ) break;
                    elt = elt.parentNode.nextSibling;
                    pos = pos.parentNode;
                }
            }
            clear_children( playtree );
            playtree.appendChild( pos_top );
        }
        else
        {
            /*alert( 'Error! HTTP server replied: ' + req.status );*/
        }
    }
}

/* parse browse.xml */
function parse_browse_dir( )
{
    if( req.readyState == 4 )
    {
        if( req.status == 200 )
        {
            var answer = req.responseXML.documentElement;
            if( !answer ) return;
            var browser = document.getElementById( 'browser' );
            var pos = document.createElement( "div" );
            var elt = answer.firstChild;
            while( elt )
            {
                if( elt.nodeName == "element" )
                {
                    var item = document.createElement( "a" );
                    setclass( item, 'browser' );
                    if( elt.getAttribute( 'type' ) == 'dir' )
                    {
                        item.setAttribute( 'href', 'javascript:browse_dir(\''+addslashes(escapebackslashes(elt.getAttribute( 'path' )))+'\');');
                    }
                    else
                    {
                        item.setAttribute( 'href', 'javascript:browse_path(\''+addslashes(escapebackslashes(elt.getAttribute( 'path' )))+'\');' );
                    }
                    item.appendChild( document.createTextNode( elt.getAttribute( 'name' ) ) );
                    pos.appendChild( item );
                    if( elt.getAttribute( 'type' ) == 'dir' )
                    {
                        pos.appendChild( document.createTextNode( ' ' ) );
                        var item = document.createElement( "a" );
                        setclass( item, 'browser' );
                        item.setAttribute( 'href', 'javascript:browse_path(\''+addslashes(escapebackslashes(elt.getAttribute( 'path' )))+'\');');
                        item.appendChild( document.createTextNode( '(select)' ) );
                        pos.appendChild( item );
                    }
                    pos.appendChild( document.createElement( "br" ) );
                }
                elt = elt.nextSibling;
            }
            clear_children( browser );
            browser.appendChild( pos );
        }
        else
        {
            /*alert( 'Error! HTTP server replied: ' + req.status );*/
        }
    }
}

/**********************************************************************
 * Input dialog functions
 *********************************************************************/
function hide_input( )
{
    document.getElementById( 'input_file' ).style.display = 'none';
    document.getElementById( 'input_disc' ).style.display = 'none';
    document.getElementById( 'input_network' ).style.display = 'none';
    document.getElementById( 'input_fake' ).style.display = 'none';
}

/* update the input MRL using data from the input file helper */
/* FIXME ... subs support */
function update_input_file()
{
    var mrl = document.getElementById( 'input_mrl' );

    mrl.value = value( 'input_file_filename' );
}

/* update the input MRL using data from the input disc helper */
function update_input_disc()
{
    var mrl     = document.getElementById( 'input_mrl' );
    var type    = radio_value( "input_disc_type" );
    var device  = value( "input_disc_dev" );

    var title   = check_and_replace_int( 'input_disc_title', 0 );
    var chapter = check_and_replace_int( 'input_disc_chapter', 0 );
    var subs    = check_and_replace_int( 'input_disc_subtrack', '' );
    var audio   = check_and_replace_int( 'input_disc_audiotrack', 0 );

    mrl.value = "";

    if( type == "dvd" )
    {
        mrl.value += "dvd://";
    }
    else if( type == "dvdsimple" )
    {
        mrl.value += "dvdsimple://";
    }
    else if( type == "vcd" )
    {
        mrl.value += "vcd://";
    }
    else if( type == "cdda" )
    {
        mrl.value += "cdda://";
    }

    mrl.value += device;

    if( title )
    {
        mrl.value += "@"+title;
        if( chapter && type != "cdda" )
            mrl.value += ":"+chapter;
    }

    remove_input_options( ':sub-track' );
    remove_input_options( ':audio-track' );