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-refactoring

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-added gaps in Now PLaying DataTable
-show information and song information now sent as separate data in order.
This commit is contained in:
mkonecny 2011-02-02 18:25:42 -05:00
parent 2165627a81
commit a5ad30356a
3 changed files with 196 additions and 42 deletions
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72
public/js/playlist/playlist.js
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@ -5,6 +5,9 @@ var previousSongs = new Array();
var currentSong = new Array();
var nextSongs = new Array();
var currentShow = new Array();
var nextShow = new Array();
var currentElem;
var serverUpdateInterval = 5000;
@ -12,15 +15,16 @@ var uiUpdateInterval = 200;
var songEndFunc;
var showStartPosixTime = 0;
var showEndPosixTime = 0;
var showLengthMs = 1;
var currentShowName = "";
//var showStartPosixTime = 0;
//var showEndPosixTime = 0;
//var showLengthMs = 1;
//var currentShowName = "";
/* boolean flag to let us know if we should prepare to execute a function
* that flips the playlist to the next song. This flags purpose is to
* make sure the function is only executed once*/
var nextSongPrepare = true;
var nextShowPrepare = true;
/* Another script can register its function here
* when it wishes to know when a song ends. */
@ -61,21 +65,26 @@ function secondsTimer(){
function newSongStart(){
nextSongPrepare = true;
currentSong[0] = nextSongs.shift();
//updateGlobalValues(currentSong[0]);
updatePlaybar();
notifySongEndListener();
}
function nextShowStart(){
nextShowPrepare = true;
currentShow[0] = nextShow.shift();
updatePlaybar();
//notifySongEndListener();
}
/* Called every "uiUpdateInterval" mseconds. */
function updateProgressBarValue(){
if (showStartPosixTime != 0){
var showPercentDone = (estimatedSchedulePosixTime - showStartPosixTime)/showLengthMs*100;
if (currentShow.length > 0){
var showPercentDone = (estimatedSchedulePosixTime - currentShow[0].showStartPosixTime)/currentShow[0].showLengthMs*100;
if (showPercentDone < 0 || showPercentDone > 100){
showPercentDone = 0;
$('#on-air-info').attr("class", "on-air-info off");
} else {
$('#on-air-info').attr("class", "on-air-info on");
currentShow = new Array();
}
$('#progress-show').attr("style", "width:"+showPercentDone+"%");
}
@ -86,8 +95,11 @@ function updateProgressBarValue(){
if (songPercentDone < 0 || songPercentDone > 100){
songPercentDone = 0;
currentSong = new Array();
} else {
$('#on-air-info').attr("class", "on-air-info on");
}
}
} else
$('#on-air-info').attr("class", "on-air-info off");
$('#progress-bar').attr("style", "width:"+songPercentDone+"%");
//calculate how much time left to next song if there is any
@ -97,6 +109,14 @@ function updateProgressBarValue(){
setTimeout(newSongStart, nextSongs[0].songStartPosixTime - estimatedSchedulePosixTime);
}
}
//calculate how much time left to next show if there is any
if (nextShow.length > 0 && nextShowPrepare){
if (nextShow[0].showStartPosixTime - estimatedSchedulePosixTime < serverUpdateInterval){
nextShowPrepare = false;
setTimeout(nextShowStart, nextShow[0].showStartPosixTime - estimatedSchedulePosixTime);
}
}
updatePlaybar();
}
@ -141,33 +161,31 @@ function updatePlaybar(){
/* Column 1 update */
$('#playlist').text("Current Show:");
$('#playlist').text(currentShowName);
if (currentShow.length > 0)
$('#playlist').text(currentShow[0].name);
$('#show-length').empty();
if (estimatedSchedulePosixTime < showEndPosixTime){
$('#show-length').text(convertDateToHHMMSS(showStartPosixTime) + " - " + convertDateToHHMMSS(showEndPosixTime));
if (currentShow.length > 0){
$('#show-length').text(convertDateToHHMMSS(currentShow[0].showStartPosixTime) + " - " + convertDateToHHMMSS(currentShow[0].showEndPosixTime));
}
/* Column 2 update */
$('#time').text(convertDateToHHMMSS(estimatedSchedulePosixTime));
}
function calcAdditionalData(currentItem, bUpdateGlobalValues){
function calcAdditionalData(currentItem){
for (var i=0; i<currentItem.length; i++){
currentItem[i].songStartPosixTime = convertDateToPosixTime(currentItem[i].starts);
currentItem[i].songEndPosixTime = convertDateToPosixTime(currentItem[i].ends);
currentItem[i].songLengthMs = currentItem[i].songEndPosixTime - currentItem[i].songStartPosixTime;
currentItem[i].showLengthMs = currentItem[i].showEndPosixTime - currentItem[i].showStartPosixTime;
}
}
function updateGlobalValues(obj){
if (obj.showStartEndTime.length > 0){
showStartPosixTime = convertDateToPosixTime(obj.showStartEndTime[0].start_timestamp);
showEndPosixTime = convertDateToPosixTime(obj.showStartEndTime[0].end_timestamp);
showLengthMs = showEndPosixTime - showStartPosixTime;
currentShowName = obj.showStartEndTime[0].name;
function calcAdditionalShowData(show){
if (show.length > 0){
show[0].showStartPosixTime = convertDateToPosixTime(show[0].start_timestamp);
show[0].showEndPosixTime = convertDateToPosixTime(show[0].end_timestamp);
show[0].showLengthMs = show[0].showEndPosixTime - show[0].showStartPosixTime;
}
}
@ -181,11 +199,15 @@ function parseItems(obj){
currentSong = obj.current;
nextSongs = obj.next;
updateGlobalValues(obj);
calcAdditionalData(previousSongs);
calcAdditionalData(currentSong);
calcAdditionalData(nextSongs);
currentShow = obj.currentShow;
nextShow = obj.nextShow;
calcAdditionalShowData(obj.currentShow);
calcAdditionalShowData(obj.nextShow);
if (localRemoteTimeOffset == null){
var date = new Date();