friendica-addons/jappixmini/jappix/js/music.js

260 lines
6.1 KiB
JavaScript

/*
Jappix - An open social platform
These are the music JS scripts for Jappix
-------------------------------------------------
License: AGPL
Author: Vanaryon
Last revision: 25/04/11
*/
// Opens the music bubble
function openMusic() {
var path = '.music-content';
// Show the music bubble
showBubble(path);
$(document).oneTime(10, function() {
$(path + ' input').focus();
});
return false;
}
// Parses the music search XML
function parseMusic(xml, type) {
var path = '.music-content ';
var content = path + '.list';
var path_type = content + ' .' + type;
// Create the result container
if(!exists(path_type)) {
var code = '<div class="' + type + '"></div>';
if(type == 'local')
$(content).prepend(code);
else
$(content).append(code);
}
// Fill the results
$(xml).find('track').each(function() {
// Parse the XML
var id = $(this).find('id').text();
var title = $(this).find('name').text();
var artist = $(this).find('artist').text();
var source = $(this).find('source').text();
var duration = $(this).find('duration').text();
var uri = $(this).find('url').text();
var mime = $(this).find('type').text();
// No ID?
if(!id)
id = hex_md5(uri);
// No MIME?
if(!mime)
mime = 'audio/ogg';
// Local URL?
if(type == 'local')
uri = generateURL(uri);
// Append the HTML code
$(path_type).append('<a href="#" class="song" data-id="' + id + '">' + title + '</a>');
// Current playing song?
var current_song = $(path_type + ' a[data-id=' + id + ']');
if(exists('.music-audio[data-id=' + id + ']'))
current_song.addClass('playing');
// Click event
current_song.click(function() {
return addMusic(id, title, artist, source, duration, uri, mime, type);
});
});
// The search is finished
if(exists(content + ' .jamendo') && exists(content + ' .local')) {
// Get the result values
var jamendo = $(content + ' .jamendo').text();
var local = $(content + ' .local').text();
// Enable the input
$(path + 'input').val('').removeAttr('disabled');
// No result
if(!jamendo && !local)
$(path + '.no-results').show();
// We must put a separator between the categories
if(jamendo && local)
$(content + ' .local').addClass('special');
}
}
// Sends the music search requests
function searchMusic() {
var path = '.music-content ';
// We get the input string
var string = $(path + 'input').val();
// We lock the search input
$(path + 'input').attr('disabled', true);
// We reset the results
$(path + '.list div').remove();
$(path + '.no-results').hide();
// Get the Jamendo results
$.get('./php/music-search.php', {searchquery: string, location: 'jamendo'}, function(data) {
parseMusic(data, 'jamendo');
});
// Get the local results
$.get('./php/music-search.php', {searchquery: string, location: JAPPIX_LOCATION}, function(data) {
parseMusic(data, 'local');
});
}
// Performs an action on the music player
function actionMusic(action) {
try {
// Initialize
var playThis = document.getElementById('top-content').getElementsByTagName('audio')[0];
// Nothing to play, exit
if(!playThis)
return false;
var stopButton = $('#top-content a.stop');
// User play a song
if(action == 'play') {
stopButton.show();
playThis.load();
playThis.play();
playThis.addEventListener('ended', function() {
actionMusic('stop');
}, true);
logThis('Music is now playing.');
}
// User stop the song or the song came to its end
else if(action == 'stop') {
stopButton.hide();
playThis.pause();
$('#top-content .music').removeClass('actived');
$('.music-content .list a').removeClass('playing');
$('.music-audio').remove();
publishMusic();
logThis('Music is now stopped.');
}
}
catch(e) {}
finally {
return false;
}
}
// Publishes the current title over PEP
function publishMusic(title, artist, source, duration, uri) {
// We share the tune on PEP if enabled
if(enabledPEP()) {
/* REF: http://xmpp.org/extensions/xep-0118.html */
var iq = new JSJaCIQ();
iq.setType('set');
// Create the main PubSub nodes
var pubsub = iq.appendNode('pubsub', {'xmlns': NS_PUBSUB});
var publish = pubsub.appendChild(iq.buildNode('publish', {'node': NS_TUNE, 'xmlns': NS_PUBSUB}));
var item = publish.appendChild(iq.buildNode('item', {'xmlns': NS_PUBSUB}));
var tune = item.appendChild(iq.buildNode('tune', {'xmlns': NS_TUNE}));
// Enough data?
if(title || artist || source || uri) {
// Data array
var nodes = new Array(
'title',
'artist',
'source',
'length',
'uri'
);
var values = new Array(
title,
artist,
source,
length,
uri
);
// Create the children nodes
for(i in nodes) {
if(values[i])
tune.appendChild(iq.buildNode(nodes[i], {'xmlns': NS_TUNE}, values[i]));
}
}
con.send(iq);
logThis('New tune sent: ' + title, 3);
}
}
// Adds a music title to the results
function addMusic(id, title, artist, source, duration, uri, mime, type) {
var path = '.music-content ';
// We remove & create a new audio tag
$('.music-audio').remove();
$(path + '.player').prepend('<audio class="music-audio" type="' + mime + '" data-id="' + id + '" />');
// We apply the new source to the player
if(type == 'jamendo')
$('.music-audio').attr('src', 'http://api.jamendo.com/get2/stream/track/redirect/?id=' + id + '&streamencoding=ogg2');
else
$('.music-audio').attr('src', uri);
// We play the target sound
actionMusic('play');
// We set the actived class
$('#top-content .music').addClass('actived');
// We set a current played track indicator
$(path + '.list a').removeClass('playing');
$(path + 'a[data-id=' + id + ']').addClass('playing');
// We publish what we listen
publishMusic(title, artist, source, duration, uri);
return false;
}
// Addon launcher
function launchMusic() {
// When music search string submitted
$('.music-content input').keyup(function(e) {
// Enter : send
if(e.keyCode == 13 && $(this).val())
searchMusic();
// Escape : quit
if(e.keyCode == 27)
closeBubbles();
});
}