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JS alarmCues

This commit is contained in:
digital-gnome 2017-10-08 21:45:05 -04:00
parent c39cf77a9c
commit c41ef177c2
1 changed files with 83 additions and 0 deletions
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83
web/skins/classic/views/js/event.js
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@ -31,6 +31,88 @@ function vjsReplay(endTime) {
});
}
$j.ajaxSetup ({timeout: AJAX_TIMEOUT }); //sets timeout for all getJSON.
var cueFrames = null; //make cueFrames availaible even if we don't send another ajax query
function initialAlarmCues () {
$j.getJSON("api/events/"+eventData.Id+".json", setAlarmCues); //get frames data for alarmCues and inserts into html
}
function setAlarmCues (data) {
cueFrames = data.event.Frame;
alarmHtml = '<div class="alarmCue">' + renderAlarmCues() + '</div>';
$j(".vjs-progress-control").append(alarmHtml);
$j(".vjs-control-bar").addClass("vjs-zm");
}
function renderAlarmCues () {
if (cueFrames) {
var cueRatio = $j("#videoobj").width() / (cueFrames[cueFrames.length - 1].Delta * 100);
var minAlarm = Math.ceil(1/cueRatio);
var spanTimeStart = 0;
var spanTimeEnd = 0;
var alarmed = 0;
var alarmHtml = "";
var pixSkewNone = 0;
var pixSkewAlarm = 0;
var skip = 0;
for (let i = 0; i < cueFrames.length; i++) {
skip = 0;
frame = cueFrames[i];
if (frame.Type == "Alarm" && alarmed == 0) { //From nothing to alarm. End nothing and start alarm.
alarmed = 1;
if (frame.Delta == 0) continue; //If event starts with an alarm or too few for a nonespan
spanTimeEnd = frame.Delta * 100;
spanTime = spanTimeEnd - spanTimeStart;
let pix = cueRatio * spanTime;
pixSkewNone += pix - Math.round(pix);//average out the rounding errors.
pix = Math.round(pix);
if ((pixSkewNone > 1 || pixSkewNone < -1) && pix + Math.round(pixSkewNone) > 0) { //add skew if it's a pixel and won't zero out span.
pix += Math.round(pixSkewNone);
pixSkewNone = pixSkewNone - Math.round(pixSkewNone);
}
alarmHtml += '<span class="alarmCue noneCue" style="width: ' + pix + 'px;"></span>';
spanTimeStart = spanTimeEnd;
} else if (frame.Type !== "Alarm" && alarmed == 1) { //from alarm to nothing. End alarm and start nothing.
futNone = 0;
indexPlus = i+1;
if (((frame.Delta * 100) - spanTimeStart) < minAlarm && indexPlus < cueFrames.length) continue; //alarm is too short and there is more event
while (futNone < minAlarm) { //check ahead to see if there's enough for a nonespan
if (indexPlus >= cueFrames.length) break; //check if end of event.
futNone = (cueFrames[indexPlus].Delta *100) - (frame.Delta *100);
if (cueFrames[indexPlus].Type == "Alarm") {
i = --indexPlus;
skip = 1;
break;
}
indexPlus++;
}
if (skip == 1) continue; //javascript doesn't support continue 2;
spanTimeEnd = frame.Delta *100;
spanTime = spanTimeEnd - spanTimeStart;
alarmed = 0;
pix = cueRatio * spanTime;
pixSkewAlarm += pix - Math.round(pix);
pix = Math.round(pix);
if ((pixSkewAlarm > 1 || pixSkewAlarm < -1) && pix + Math.round(pixSkewAlarm) > 0) {
pix += Math.round(pixSkewAlarm);
pixSkewAlarm = pixSkewAlarm - Math.round(pixSkewAlarm);
}
alarmHtml += '<span class="alarmCue" style="width: ' + pix + 'px;"></span>';
spanTimeStart = spanTimeEnd;
} else if (frame.Type == "Alarm" && alarmed == 1 && i + 1 >= cueFrames.length) { //event ends on an alarm
spanTimeEnd = frame.Delta * 100;
spanTime = spanTimeEnd - spanTimeStart;
alarmed = 0;
pix = Math.round(cueRatio * spanTime);
alarmHtml += '<span class="alarmCue" style="width: ' + pix + 'px;"></span>';
}
}
return alarmHtml;
}
}
function setButtonState( element, butClass ) {
if ( element ) {
element.className = butClass;
@ -841,6 +923,7 @@ function initPage() {
//FIXME prevent blocking...not sure what is happening or best way to unblock
if ( $('videoobj') ) {
vid = videojs("videoobj");
initialAlarmCues(); //call ajax+renderAlarmCues after videojs is. should be only call to initialAlarmCues
}
if ( vid ) {
/*