/*
* Pop under script v 1.0
*/
(function () {
console.log(window.opener);
// the interval for checking page loaded, we do not need very fast
var checkLoadInterval = 1000;
var onloadHook = "onPopUnderLoaded";
var popNumField = "popnum";
var handler = {
num: -1, // no limit
hours: 24,
tabUnder: false,
onPopCallback: null,
winWidth: window.screen.availWidth - 122,
winHeight: window.screen.availHeight - 122,
isIE: (navigator.userAgent.indexOf("MSIE") !== -1),
isChrome: (navigator.userAgent.indexOf("Chrome/") !== -1) && (navigator.userAgent.indexOf("AppleWebKit") !== -1),
hasPop: false,
frequency: function (num, hours) {
if (hours === undefined) {
hours = 24;
}
this.num = num;
this.hours = hours;
return this;
},
useTabUnder: function(allow) {
this.tabUnder = allow;
return this;
},
pop: function (url) {
// give chance for other setting works
setTimeout(function () {
var popnum = this.getPopNum();
if (this.num < 0 || popnum < this.num) {
this.startPop(url);
}
}.bind(this), 1);
return this;
},
startPop: function (url) {
if (this.isIE) {
this.tryPopIENow(url);
} else if (!this.isChrome) {
this.tryPop(url);
}
this.onClick(function () {
this.popOnClick(url);
}.bind(this));
},
onPop: function (callback) {
this.onPopCallback = callback;
return this;
},
tryPopIENow: function (url) {
var hackElementId = "pop_under_hack";
var popie = document.createElement("object");
popie.id = hackElementId;
popie.setAttribute("classid", "clsid:2D360201-FFF5-11d1-8D03-00A0C959BC0A");
popie.style.cssText = "width:1px;height:1px;top:0;left:0;position:absolute;";
document.body.appendChild(popie);
setTimeout(function () {
if (this.hasPop) {
return;
}
var clkpopwin = document.getElementById(hackElementId).DOM.Script.open(
url,
"_blank",
"top=0,left=0, width=" + this.winWidth + ",height=" + this.winHeight);
if (clkpopwin) {
window.self.focus();
clkpopwin.blur();
this.popDone();
}
}.bind(this), 1500);
},
tryPop: function (url) {
var date = new Date(), winName = "Ads" + date.getTime(), popwinCLK;
popwinCLK = this.openWin(url, winName);
if (popwinCLK) {
popwinCLK.blur();
if (this.isChrome) {
window.blur();
}
window.focus();
this.popDone();
}
},
popOnClick: function(url) {
if (this.hasPop) {
return;
}
if ( this.tabUnder ) {
this.doTabUnder(url);
} else {
this.tryPop(url);
}
},
doTabUnder: function(url) {
this.popDone();
var win = window.open(window.location.href, "_blank");
setTimeout(function() {
win.document.isTabUnder = true;
window.location = url;
}, 1);
},
openWin: function (url, name) {
var params = "toolbar=0,scrollbars=1,statusbar=1,resizable=1,menubar=0,location=1,top=0,left=0,width=" + this.winWidth + ",height=" + this.winHeight;
if (window.SymRealWinOpen) {
return window.SymRealWinOpen(url, name, params);
} else if (window.NS_ActualOpen) {
return window.NS_ActualOpen(url, name, params);
} else {
return window.open(url, name, params);
}
},
popDone: function () {
this.hasPop = true;
this.updatePopNum();
if (this.onPopCallback) {
this.onPopCallback.call(this);
}
},
getPopNum: function () {
var popnum = this.getData(popNumField);
if (!popnum) {
popnum = 0;
} else {
if ((typeof popnum) === "string") {
popnum = parseInt(popnum);
}
}
return popnum;
},
updatePopNum: function () {
if (this.num > 0) {
var popnum = this.getPopNum() + 1;
var expires = null;
if (this.hours > 0) {
expires = new Date();
expires.setTime(expires.getTime() + this.hours * 3600 * 1000);
}
this.setData(popNumField, popnum, expires);
}
},
onClick: function (callback) {
if (document.captureEvents) {
document.captureEvents(window.Event.CLICK);
}
if (document.addEventListener) {
document.addEventListener("click", callback, false);
} else if (document.attachEvent) {
document.attachEvent("click", callback);
} else {
document.onclick = callback;
}
},
setData: function (name, value, expires) {
if (window.Storage) {
this.setStorage(name, value, expires);
} else {
this.setCookie(name, value, expires);
}
},
getData: function (name) {
if (window.Storage) {
return this.getStorage(name);
} else {
return this.getCookie(name);
}
},
setCookie: function (name, value, expires) {
document.cookie = name + "=" + encodeURI(value) +
(expires ? "; expires=" + expires.toGMTString() : "");
},
getCookie: function (name) {
var arg = name + "=", alen = arg.length, clen = document.cookie.length,
i = 0, j;
while (i < clen) {
j = i + alen;
if (document.cookie.substring(i, j) === arg) {
return this.getCookieVal(j);
}
i = document.cookie.indexOf(" ", i) + 1;
if (i === 0) {
break;
}
}
return null;
},
getCookieVal: function (offset) {
var str = document.cookie.indexOf(";", offset);
if (str === -1) {
str = document.cookie.length;
}
return decodeURI(document.cookie.substring(offset, str));
},
setStorage: function (name, value, expires) {
if (expires) {
window.localStorage.setItem(name, JSON.stringify({
value: value,
expire: expires.getTime()
}));
} else {
window.sessionStorage.setItem(name, JSON.stringify({
value: value,
expire: 0
}));
}
},
getStorage: function (name) {
var obj = window.sessionStorage.getItem(name);
if (!obj) {
obj = window.localStorage.getItem(name);
}
if (!obj) {
return null;
}
obj = JSON.parse(obj);
if (obj.expire && (obj.expire < (new Date()).getTime())) {
// value expired
return null;
}
return obj.value;
}
};
// wait for document ready
var allLoaded = setInterval(function () {
if (/loaded|complete/.test(document.readyState)) {
clearInterval(allLoaded);
if (window[onloadHook]) {
window[onloadHook].call(handler);
} else {
console.log("pop under onload hook not defined");
}
}
}, checkLoadInterval);
})();