hafifierahman
81 lines
2.8 KiB
JavaScript
Vendored
81 lines
2.8 KiB
JavaScript
Vendored
/* eslint-env es5 */
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/* eslint no-undef: 0 */
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/* eslint no-var: 0 */
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/* eslint prefer-template: 0 */
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/* eslint prefer-arrow-callback: 0 */
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(function backDection(jQuery) {
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var $ = jQuery;
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var win = typeof window !== 'undefined' && window;
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var backDetectValues = {
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frameLoaded: 0,
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frameTry: 0,
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frameTime: 0,
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frameDetect: null,
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frameSrc: null,
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frameCallBack: null,
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frameThis: null,
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frameNavigator: window.navigator.userAgent,
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frameDelay: 0,
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frameDataSrc: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB/AAffA0nNPuCLAAAAAElFTkSuQmCC',
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};
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/**
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* Back Detect
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*
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* @param function callback
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* @param int delay
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*/
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$.fn.backDetect = function detectBackClick(callback, delay) {
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backDetectValues.frameThis = this;
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backDetectValues.frameCallBack = callback;
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if (delay !== null) {
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backDetectValues.frameDelay = delay;
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}
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if (backDetectValues.frameNavigator.indexOf('MSIE ') > -1 || backDetectValues.frameNavigator.indexOf('Trident') > -1) {
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setTimeout(function loadFrameIE() {
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$('<iframe src="' + backDetectValues.frameDataSrc + '?loading" style="display:none;" id="backDetectFrame" onload="jQuery.fn.frameInit();""></iframe>').appendTo(backDetectValues.frameThis);
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}, backDetectValues.frameDelay);
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} else {
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setTimeout(function loadFrame() {
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$("<iframe src='about:blank?loading' style='display:none;' id='backDetectFrame' onload='jQuery.fn.frameInit();'></iframe>").appendTo(backDetectValues.frameThis);
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}, backDetectValues.frameDelay);
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}
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};
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/**
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* Initialize Frame
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*/
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$.fn.frameInit = function initFrame() {
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backDetectValues.frameDetect = document.getElementById('backDetectFrame');
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if (backDetectValues.frameLoaded > 1) {
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if (backDetectValues.frameLoaded === 2) {
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backDetectValues.frameCallBack.call(this);
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win.history.go(-1);
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}
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}
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backDetectValues.frameLoaded += 1;
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if (backDetectValues.frameLoaded === 1) {
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backDetectValues.frameTime = setTimeout(function beginFrameSetup() {
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jQuery.fn.setupFrames();
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}, 500);
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}
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};
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/**
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* Frame Setup
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*/
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$.fn.setupFrames = function frameSetup() {
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clearTimeout(backDetectValues.frameTime);
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backDetectValues.frameSrc = backDetectValues.frameDetect.src;
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if (backDetectValues.frameLoaded === 1 && backDetectValues.frameSrc.indexOf('historyLoaded') === -1) {
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if (backDetectValues.frameNavigator.indexOf('MSIE ') > -1 || backDetectValues.frameNavigator.indexOf('Trident') > -1) {
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backDetectValues.frameDetect.src = backDetectValues.frameDataSrc + '?historyLoaded';
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} else {
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backDetectValues.frameDetect.src = 'about:blank?historyLoaded';
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}
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}
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};
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}(jQuery));
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