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(function(){
var PleaseRotate = {},
currentOrientation = null,
isMobile = /Android|iPhone|iPad|iPod|IEMobile|Opera Mini/i.test(navigator.userAgent),
init = false;
var options = {
startOnPageLoad: true,
onHide: function(){},
onShow: function(){},
forcePortrait: false,
message: "Please Rotate Your Device",
subMessage: "",
allowClickBypass: false,
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zIndex: 1000,
iconNode: null
};
var cssRules = [
"#pleaserotate-graphic { margin-left: 50px; width: 200px; animation: pleaserotateframes ease 2s; animation-iteration-count: infinite; transform-origin: 50% 50%; -webkit-animation: pleaserotateframes ease 2s; -webkit-animation-iteration-count: infinite; -webkit-transform-origin: 50% 50%; -moz-animation: pleaserotateframes ease 2s; -moz-animation-iteration-count: infinite; -moz-transform-origin: 50% 50%; -ms-animation: pleaserotateframes ease 2s; -ms-animation-iteration-count: infinite; -ms-transform-origin: 50% 50%; }",
"#pleaserotate-backdrop { background-color: white; top: 0; left: 0; position: fixed; width: 100%; height: 100%; }",
"#pleaserotate-container { width: 300px; position: absolute; top: 50%; left: 50%; margin-right: -50%; transform: translate(-50%, -50%); -webkit-transform: translate(-50%, -50%); }",
"#pleaserotate-message { margin-top: 20px; font-size: 1.3em; text-align: center; font-family: Verdana, Geneva, sans-serif; text-transform: uppercase }",
"#pleaserotate-message small { opacity: .5; display: block; font-size: .6em}"
];
var cssKeyframeRules = [
"pleaserotateframes{ 0% { transform: rotate(0deg) ; -moz-transform: rotate(0deg) ;-webkit-transform: rotate(0deg) ;-ms-transform: rotate(0deg) ;} 49% { transform: rotate(-90deg) ;-moz-transform: rotate(-90deg) ;-webkit-transform: rotate(-90deg) ; -ms-transform: rotate(-90deg) ; } 100% { transform: rotate(90deg) ;-moz-transform: rotate(-90deg) ;-webkit-transform: rotate(-90deg) ; -ms-transform: rotate(-90deg) ; } }",
];
/* private functions */
function overrideOptions(updates){
var prop;
for (var prop in updates){
options[prop] = updates[prop];
}
}
function setBodyClass(state){
if(document.documentElement){
document.documentElement.className = document.documentElement.className.replace( /(?:^|\s)pleaserotate-\S*/g , '' );
document.documentElement.className += " pleaserotate-" + state;
}
}
function addRules(sheet){
var i;
for(i = 0; i< cssRules.length; i++){
sheet.insertRule(cssRules[i], 0);
}
sheet.insertRule("#pleaserotate-backdrop { z-index: " + options.zIndex + "}", 0);
if(options.allowClickBypass){
sheet.insertRule("#pleaserotate-backdrop { cursor: pointer }", 0);
}
if(options.forcePortrait){
sheet.insertRule("#pleaserotate-backdrop { -webkit-transform-origin: 50% }", 0);
}
for(i = 0; i< cssKeyframeRules.length; i++){
if (CSSRule.WEBKIT_KEYFRAMES_RULE) { // WebKit
sheet.insertRule("@-webkit-keyframes " + cssKeyframeRules[i], 0);
}
else if (CSSRule.MOZ_KEYFRAMES_RULE) { // Mozilla
sheet.insertRule("@-moz-keyframes " + cssKeyframeRules[i], 0);
}
else if (CSSRule.KEYFRAMES_RULE) { // W3C
sheet.insertRule("@keyframes " + cssKeyframeRules[i], 0);
}
}
}
function createStyleSheet(){
var style = document.createElement("style");
style.appendChild(document.createTextNode("")); // I'm told we need this hack... something to do with safari but I don't feel like checking for sure
document.head.insertBefore(style, document.head.firstChild);
addRules(style.sheet);
}
function createElements(){
var backdrop = document.createElement("div"),
container = document.createElement("div"),
message = document.createElement("div"),
subMessage = document.createElement("small");
backdrop.setAttribute("id", "pleaserotate-backdrop");
container.setAttribute("id", "pleaserotate-container");
message.setAttribute("id", "pleaserotate-message");
backdrop.appendChild(container);
if(options.iconNode !== null){
container.appendChild(options.iconNode);
} else {
container.appendChild(createPhoneSVG());
}
container.appendChild(message);
message.appendChild(document.createTextNode(options.message));
subMessage.appendChild(document.createTextNode(options.subMessage));
message.appendChild(subMessage);
document.body.appendChild(backdrop);
}
function createPhoneSVG(){
var svg = document.createElementNS('http://www.w3.org/2000/svg','svg');
svg.setAttributeNS('http://www.w3.org/2000/xmlns/','xmlns:xlink','http://www.w3.org/1999/xlink');
svg.setAttribute('id','pleaserotate-graphic');
svg.setAttribute('viewBox','0 0 250 250');
var group = document.createElementNS('http://www.w3.org/2000/svg','g');
group.setAttribute('id','pleaserotate-graphic-path');
if(options.forcePortrait){
group.setAttribute('transform','rotate(-90 125 125)');
}
var path = document.createElementNS('http://www.w3.org/2000/svg', 'path');
path.setAttribute('d', 'M190.5,221.3c0,8.3-6.8,15-15,15H80.2c-8.3,0-15-6.8-15-15V28.7c0-8.3,6.8-15,15-15h95.3c8.3,0,15,6.8,15,15V221.3z' +
'M74.4,33.5l-0.1,139.2c0,8.3,0,17.9,0,21.5c0,3.6,0,6.9,0,7.3c0,0.5,0.2,0.8,0.4,0.8s7.2,0,15.4,0h75.6c8.3,0,15.1,0,15.2,0' +
's0.2-6.8,0.2-15V33.5c0-2.6-1-5-2.6-6.5c-1.3-1.3-3-2.1-4.9-2.1H81.9c-2.7,0-5,1.6-6.3,4C74.9,30.2,74.4,31.8,74.4,33.5z' +
'M127.7,207c-5.4,0-9.8,5.1-9.8,11.3s4.4,11.3,9.8,11.3s9.8-5.1,9.8-11.3S133.2,207,127.7,207z');
svg.appendChild(group);
group.appendChild(path);
return svg;
}
function setVisibility(visible){
var backdropElement = document.getElementById("pleaserotate-backdrop");
if(visible){
if(backdropElement){
backdropElement.style["display"] = "block";
}
} else {
if(backdropElement){
backdropElement.style["display"] = "none";
}
}
}
function orientationChanged(){
var triggerOn = currentOrientation && !options.forcePortrait || !currentOrientation && options.forcePortrait,
propogate;
if(triggerOn){
propogate = options.onShow();
setBodyClass("showing");
} else {
propogate = options.onHide();
setBodyClass("hiding");
}
if(propogate !== undefined && !propogate){
return;
}
PleaseRotate.Showing = triggerOn;
setVisibility(triggerOn);
}
function isPortrait(){
return ( window.innerWidth < window.innerHeight);
}
function checkOrientationChange(){
if(!isMobile && options.onlyMobile){
if(!init){
init = true;
setVisibility(false);
setBodyClass("hiding");
options.onHide(); // run this exactly once if not mobile
}
return;
}
if(currentOrientation !== isPortrait()){
currentOrientation = isPortrait();
orientationChanged();
}
}
/* public functions */
PleaseRotate.start = function(opts){
if(!document.body){
window.addEventListener('load', PleaseRotate.start.bind(null, opts), false);
return;
}
if(opts){
overrideOptions(opts);
}
createStyleSheet();
createElements();
checkOrientationChange();
window.addEventListener( 'resize', checkOrientationChange, false );
if(options.allowClickBypass){
document.getElementById("pleaserotate-backdrop").addEventListener("click", function(){
var propogate = options.onHide();
setBodyClass("hiding");
PleaseRotate.Showing = false;
if(propogate === undefined || propogate){
setVisibility(false);
}
});
}
}
PleaseRotate.stop = function(){
window.removeEventListener('resize', onWindowResize, false);
}
PleaseRotate.onShow = function(fn){
options.onShow = fn;
if(init){
// if we have already been initialized, force a check
init = false;
currentOrientation = null;
checkOrientationChange();
}
};
PleaseRotate.onHide = function(fn){
options.onHide = fn;
if(init){
// if we have already been initialized, force a check so that onHide gets called
currentOrientation = null;
init = false;
checkOrientationChange();
}
};
PleaseRotate.Showing = false;
/* plumbing to support AMD, CommonJS, or Globals */
if (typeof define === 'function' && define.amd) {
setBodyClass("initialized");
define(['PleaseRotate'], function() {
return PleaseRotate;
});
PleaseRotate.start();
} else if (typeof exports === 'object') {
setBodyClass("initialized");
module.exports = PleaseRotate;
PleaseRotate.start();
} else {
setBodyClass("initialized");
window.PleaseRotate = PleaseRotate;
overrideOptions(window.PleaseRotateOptions);
if (options.startOnPageLoad) {
PleaseRotate.start();
}
}
})();