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///////////////////////////////////
///////////// Utils ////////////
///////////////////////////////////
function notEmpty(obj) {
if (obj != null && obj != 'undefined' && obj != '') {
return true;
}
return false;
}
//Trace
function trace(str) {
console.log(str);
}
//Get field
function field(name) {
var field = document.getElementById(name).value;
return field;
}
//Set WCS URL
function setURL() {
var proto;
var url;
var port;
if (window.location.protocol == "http:") {
proto = "ws://";
port = "8080";
} else {
proto = "wss://";
port = "8443";
}
url = proto + window.location.hostname + ":" + port;
return url;
}
function getUrlParam(name) {
var url = window.location.href;
name = name.replace(/[\[\]]/g, "\\$&");
var regex = new RegExp("[?&]" + name + "(=([^&#]*)|&|#|$)"),
results = regex.exec(url);
if (!results) return null;
if (!results[2]) return '';
return decodeURIComponent(results[2].replace(/\+/g, " "));
}
function getHLSUrl() {
var proto;
var port;
if (window.location.protocol == "http:") {
proto = "http://";
port = "8082";
} else {
proto = "https://";
port = "8445";
}
var url = proto + window.location.hostname + ":" + port;
return url;
}
function getAdminUrl() {
var proto;
var port;
if (window.location.protocol == "http:") {
proto = "http://";
port = "9091";
} else {
proto = "https://";
port = "8888";
}
var url = proto + window.location.hostname + ":" + port;
return url;
}
// Detect IE
function detectIE() {
var ua = window.navigator.userAgent;
var msie = ua.indexOf('MSIE ');
if (msie > 0) {
return true;
}
var trident = ua.indexOf('Trident/');
if (trident > 0) {
return true;
}
return false;
}
// Detect Flash
function detectFlash() {
var hasFlash = false;
try {
var fo = new ActiveXObject('ShockwaveFlash.ShockwaveFlash');
if (fo) {
hasFlash = true;
}
} catch (e) {
if (navigator.mimeTypes
&& navigator.mimeTypes['application/x-shockwave-flash'] != undefined
&& navigator.mimeTypes['application/x-shockwave-flash'].enabledPlugin) {
hasFlash = true;
}
}
if (!hasFlash) {
$("#notifyFlash").text("Your browser doesn't support the Flash technology necessary for work of an example");
}
}
$(function () {
function reposition() {
var modal = $(this),
dialog = modal.find('.modal-dialog');
modal.css('display', 'block');
// Dividing by two centers the modal exactly, but dividing by three
// or four works better for larger screens.
dialog.css("margin-top", Math.max(0, ($(window).height() - dialog.height()) / 2));
}
// Reposition when a modal is shown
$('.modal').on('show.bs.modal', reposition);
// Reposition when the window is resized
$(window).on('resize', function () {
$('.modal:visible').each(reposition);
});
});
// Detect browser
var Browser = {
isIE: function () {
return /*@cc_on!@*/false || !!document.documentMode;
},
isFirefox: function () {
return typeof InstallTrigger !== 'undefined';
},
isChrome: function () {
return !!window.chrome && /Chrome/.test(navigator.userAgent) && /Google Inc/.test(navigator.vendor) && !/OPR/.test(navigator.userAgent);
},
isEdge: function () {
return !isIE && !!window.StyleMedia;
},
isOpera: function () {
return (!!window.opr && !!opr.addons) || !!window.opera || navigator.userAgent.indexOf(' OPR/') >= 0;
},
isiOS: function () {
return /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
},
isSafari: function () {
return /^((?!chrome|android).)*safari/i.test(navigator.userAgent);
},
isAndroid: function () {
return navigator.userAgent.toLowerCase().indexOf("android") > -1;
},
isSafariWebRTC: function () {
return navigator.mediaDevices && Browser.isSafari();
}
};
// Generate simple uuid
function createUUID(length) {
var s = [];
var hexDigits = "0123456789abcdef";
for (var i = 0; i < 36; i++) {
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
}
s[14] = "4";
s[19] = hexDigits.substr((s[19] & 0x3) | 0x8, 1);
s[8] = s[13] = s[18] = s[23] = "-";
var uuid = s.join("");
return uuid.substring(0, length);
}
/**
* Resize video object to fit parent div.
* Div structure: div WxH -> div wrapper (display) -> video
* @param video HTML element from resize event target
*/
function resizeVideo(video, width, height) {
if (!video.parentNode) {
return;
}
if (video instanceof HTMLCanvasElement) {
video.videoWidth = video.width;
video.videoHeight = video.height;
}
var display = video.parentNode;
var parentSize = {
w: display.parentNode.clientWidth,
h: display.parentNode.clientHeight
};
var newSize;
if (width && height) {
newSize = downScaleToFitSize(width, height, parentSize.w, parentSize.h);
} else {
newSize = downScaleToFitSize(video.videoWidth, video.videoHeight, parentSize.w, parentSize.h);
}
display.style.width = newSize.w + "px";
display.style.height = newSize.h + "px";
//vertical align
var margin = 0;
if (parentSize.h - newSize.h > 1) {
margin = Math.floor((parentSize.h - newSize.h) / 2);
}
display.style.margin = margin + "px auto";
console.log("Resize from " + video.videoWidth + "x" + video.videoHeight + " to " + display.offsetWidth + "x" + display.offsetHeight);
}
function downScaleToFitSize(videoWidth, videoHeight, dstWidth, dstHeight) {
var newWidth, newHeight;
var videoRatio = videoWidth / videoHeight;
var dstRatio = dstWidth / dstHeight;
if (dstRatio > videoRatio) {
newHeight = dstHeight;
newWidth = Math.floor(videoRatio * dstHeight);
} else {
newWidth = dstWidth;
newHeight = Math.floor(dstWidth / videoRatio);
}
return {
w: newWidth,
h: newHeight
};
}