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<title>Code coverage report for src/core/Events.js</title>
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<div class='header high'>
<h1>Code coverage report for <span class='entity'>src/core/Events.js</span></h1>
<h2>
Statements: <span class='metric'>100% <small>(63 / 63)</small></span>
Branches: <span class='metric'>88.24% <small>(60 / 68)</small></span>
Functions: <span class='metric'>100% <small>(4 / 4)</small></span>
Lines: <span class='metric'>100% <small>(63 / 63)</small></span>
</h2>
<div class="path"><a href="../../index.html">All files</a> » <a href="index.html">src/core/</a> » Events.js</div>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/*
* L.Mixin.Events is used to add custom events functionality to Leaflet classes.
*/
var key = '_leaflet_events';
L.Mixin = {};
L.Mixin.Events = {
addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])
var events = this[key] = this[key] || {},
contextId = context && L.stamp(context),
type, i, len, evt,
objKey, objLenKey, eventsObj;
// types can be a map of types/handlers
if (typeof types === 'object') {
for (type in types) {
<span class="missing-if-branch" title="else path not taken"" >E</span>if (types.hasOwnProperty(type)) {
this.addEventListener(type, types[type], fn);
}
}
return this;
}
// types can be a string of space-separated words
types = L.Util.splitWords(types);
for (i = 0, len = types.length; i < len; i++) {
evt = {
action: fn,
context: context || this
};
if (contextId) {
// store listeners of a particular context in a separate hash (if it has an id)
// gives a major performance boost when removing thousands of map layers
objKey = types[i] + '_idx',
objLenKey = objKey + '_len',
eventsObj = events[objKey] = events[objKey] || {};
if (eventsObj[contextId]) {
eventsObj[contextId].push(evt);
} else {
eventsObj[contextId] = [evt];
events[objLenKey] = (events[objLenKey] || 0) + 1;
}
} else {
events[types[i]] = events[types[i]] || [];
events[types[i]].push(evt);
}
}
return this;
},
hasEventListeners: function (type) { // (String) -> Boolean
return (key in this) &&
(((type in this[key]) && this[key][type].length > 0) ||
(this[key][type + '_idx_len'] > 0));
},
removeEventListener: function (types, fn, context) { // (String[, Function, Object]) or (Object[, Object])
var events = this[key],
contextId = context && L.stamp(context),
type, i, len, listeners, j,
objKey, objLenKey;
if (typeof types === 'object') {
for (type in types) {
<span class="missing-if-branch" title="else path not taken"" >E</span>if (types.hasOwnProperty(type)) {
this.removeEventListener(type, types[type], fn);
}
}
return this;
}
types = L.Util.splitWords(types);
for (i = 0, len = types.length; i < len; i++) {
if (this.hasEventListeners(types[i])) {
objKey = types[i] + '_idx';
if (contextId && events[objKey]) {
listeners = events[objKey][contextId] || [];
} else {
listeners = events[types[i]] || <span class="branch-1 cbranch-no" title="branch not covered" >[];</span>
}
for (j = listeners.length - 1; j >= 0; j--) {
if ((!fn || listeners[j].action === fn) && (!context || (listeners[j].context === context))) {
listeners.splice(j, 1);
}
}
if (contextId && listeners.length === 0 && events[objKey] && events[objKey][contextId]) {
objLenKey = objKey + '_len';
delete events[objKey][contextId];
events[objLenKey] = (events[objLenKey] || <span class="branch-1 cbranch-no" title="branch not covered" >1)</span> - 1;
}
}
}
return this;
},
fireEvent: function (type, data) { // (String[, Object])
if (!this.hasEventListeners(type)) {
return this;
}
var event = L.Util.extend({}, data, {
type: type,
target: this
});
var listeners, i, len, eventsObj, contextId;
if (this[key][type]) {
listeners = this[key][type].slice();
for (i = 0, len = listeners.length; i < len; i++) {
listeners[i].action.call(listeners[i].context || <span class="branch-1 cbranch-no" title="branch not covered" >this,</span> event);
}
}
// fire event for the context-indexed listeners as well
eventsObj = this[key][type + '_idx'];
if (eventsObj) {
for (contextId in eventsObj) {
<span class="missing-if-branch" title="else path not taken"" >E</span>if (eventsObj.hasOwnProperty(contextId)) {
listeners = eventsObj[contextId];
<span class="missing-if-branch" title="else path not taken"" >E</span>if (listeners) {
for (i = 0, len = listeners.length; i < len; i++) {
listeners[i].action.call(listeners[i].context || <span class="branch-1 cbranch-no" title="branch not covered" >this,</span> event);
}
}
}
}
}
return this;
}
};
L.Mixin.Events.on = L.Mixin.Events.addEventListener;
L.Mixin.Events.off = L.Mixin.Events.removeEventListener;
L.Mixin.Events.fire = L.Mixin.Events.fireEvent;
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