https://hawaiianpaddlesports.com/wp-content/themes/hps-child/assets/js/jquery.iframetracker.js?ver=1.0.0

1/*!
2 * jQuery iframe click tracking plugin
3 *
4 * @author Vincent Paré
5 * @copyright © 2013-<%= grunt.template.today("yyyy") %> Vincent Paré
6 * @license http://opensource.org/licenses/Apache-2.0
7 * @version <%= pkg.version %>
8 */
9(function($) {
10	// Tracking handler manager
11	$.fn.iframeTracker = function(handler) {
12		// Building handler object from handler function
13		if (typeof handler == "function") {
14			handler = {
15				blurCallback: handler
16			};
17		}
18
19		var target = this.get();
20		if (handler === null || handler === false) {
21			$.iframeTracker.untrack(target);
22		} else if (typeof handler == "object") {
23			$.iframeTracker.track(target, handler);
24		} else {
25			throw new Error("Wrong handler type (must be an object, or null|false to untrack)");
26		}
27		return this;
28	};
29
30	// Iframe tracker common object
31	$.iframeTracker = {
32		// State
33		focusRetriever: null,  // Element used for restoring focus on window (element)
34		focusRetrieved: false, // Says if the focus was retrieved on the current page (bool)
35		handlersList: [],      // Store a list of every trakers (created by calling $(selector).iframeTracker...)
36		isIE8AndOlder: false,  // true for Internet Explorer 8 and older
37
38		// Init (called once on document ready)
39		init: function() {
40			// Determine browser version (IE8-) ($.browser.msie is deprecated since jQuery 1.9)
41			try {
42				if ($.browser.msie === true && $.browser.version < 9) {
43					this.isIE8AndOlder = true;
44				}
45			} catch (ex) {
46				try {
47					var matches = navigator.userAgent.match(/(msie) ([\w.]+)/i);
48					if (matches[2] < 9) {
49						this.isIE8AndOlder = true;
50					}
51				} catch (ex2) {}
52			}
53
54			// Listening window blur
55			$(window).focus();
56			$(window).blur(function(e) {
57				$.iframeTracker.windowLoseFocus(e);
58			});
59
60			// Focus retriever (get the focus back to the page, on mouse move)
61			$("body").append('<div style="position:fixed; top:0; left:0; overflow:hidden;"><input style="position:absolute; left:-300px;" type="text" value="" id="focus_retriever" readonly="true" /></div>');
62			this.focusRetriever = $("#focus_retriever");
63			this.focusRetrieved = false;
64
65			// Special processing to make it work with my old friend IE8 (and older) ;)
66			if (this.isIE8AndOlder) {
67				// Blur doesn't works correctly on IE8-, so we need to trigger it manually
68				this.focusRetriever.blur(function(e) {
69					e.stopPropagation();
70					e.preventDefault();
71					$.iframeTracker.windowLoseFocus(e);
72				});
73
74				// Keep focus on window (fix bug IE8-, focusable elements)
75				$("body").click(function(e) {
76					$(window).focus();
77				});
78				$("form").click(function(e) {
79					e.stopPropagation();
80				});
81
82				// Same thing for "post-DOMready" created forms (issue #6)
83				try {
84					$("body").on("click", "form", function(e) {
85						e.stopPropagation();
86					});
87				} catch (ex) {
88					console.log("[iframeTracker] Please update jQuery to 1.7 or newer. (exception: " + ex.message + ")");
89				}
90			}
91		},
92
93		// Add tracker to target using handler (bind boundary listener + register handler)
94		// target: Array of target elements (native DOM elements)
95		// handler: User handler object
96		track: function(target, handler) {
97			// Adding target elements references into handler
98			handler.target = target;
99
100			// Storing the new handler into handler list
101			$.iframeTracker.handlersList.push(handler);
102
103			// Binding boundary listener
104			$(target)
105				.bind("mouseover", { handler: handler }, $.iframeTracker.mouseoverListener)
106				.bind("mouseout",  { handler: handler }, $.iframeTracker.mouseoutListener);
107		},
108
109		// Remove tracking on target elements
110		// target: Array of target elements (native DOM elements)
111		untrack: function(target) {
112			if (typeof Array.prototype.filter != "function") {
113				console.log("Your browser doesn't support Array filter, untrack disabled");
114				return;
115			}
116
117			// Unbinding boundary listener
118			$(target).each(function(index) {
119				$(this)
120					.unbind("mouseover", $.iframeTracker.mouseoverListener)
121					.unbind("mouseout", $.iframeTracker.mouseoutListener);
122			});
123
124			// Handler garbage collector
125			var nullFilter = function(value) {
126				return value === null ? false : true;
127			};
128			for (var i in this.handlersList) {
129				// Prune target
130				for (var j in this.handlersList[i].target) {
131					if ($.inArray(this.handlersList[i].target[j], target) !== -1) {
132						this.handlersList[i].target[j] = null;
133					}
134				}
135				this.handlersList[i].target = this.handlersList[i].target.filter(nullFilter);
136
137				// Delete handler if unused
138				if (this.handlersList[i].target.length === 0) {
139					this.handlersList[i] = null;
140				}
141			}
142			this.handlersList = this.handlersList.filter(nullFilter);
143		},
144
145		// Target mouseover event listener
146		mouseoverListener: function(e) {
147			e.data.handler.over = true;
148			$.iframeTracker.retrieveFocus();
149			try {
150				e.data.handler.overCallback(this, e);
151			} catch (ex) {}
152		},
153
154		// Target mouseout event listener
155		mouseoutListener: function(e) {
156			e.data.handler.over = false;
157			$.iframeTracker.retrieveFocus();
158			try {
159				e.data.handler.outCallback(this, e);
160			} catch (ex) {}
161		},
162
163		// Give back focus from an iframe to parent page
164		retrieveFocus: function() {
165			if (document.activeElement && document.activeElement.tagName === "IFRAME") {
166				$.iframeTracker.focusRetriever.focus();
167				$.iframeTracker.focusRetrieved = true;
168			}
169		},
170
171		// Calls blurCallback for every handler with over=true on window blur
172		windowLoseFocus: function(e) {
173			for (var i in this.handlersList) {
174				if (this.handlersList[i].over === true) {
175					try {
176						this.handlersList[i].blurCallback(e);
177					} catch (ex) {}
178				}
179			}
180		}
181	};
182
183	// Init the iframeTracker on document ready
184	$(document).ready(function() {
185		$.iframeTracker.init();
186	});
187})(jQuery);