67 lines
1.7 KiB
JavaScript
Executable File
67 lines
1.7 KiB
JavaScript
Executable File
"use strict";
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module.exports = Event;
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Event.CAPTURING_PHASE = 1;
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Event.AT_TARGET = 2;
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Event.BUBBLING_PHASE = 3;
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function Event(type, dictionary) {
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// Initialize basic event properties
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this.type = '';
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this.target = null;
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this.currentTarget = null;
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this.eventPhase = Event.AT_TARGET;
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this.bubbles = false;
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this.cancelable = false;
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this.isTrusted = false;
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this.defaultPrevented = false;
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this.timeStamp = Date.now();
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// Initialize internal flags
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// XXX: Would it be better to inherit these defaults from the prototype?
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this._propagationStopped = false;
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this._immediatePropagationStopped = false;
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this._initialized = true;
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this._dispatching = false;
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// Now initialize based on the constructor arguments (if any)
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if (type) this.type = type;
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if (dictionary) {
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for(var p in dictionary) {
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this[p] = dictionary[p];
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}
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}
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}
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Event.prototype = Object.create(Object.prototype, {
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constructor: { value: Event },
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stopPropagation: { value: function stopPropagation() {
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this._propagationStopped = true;
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}},
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stopImmediatePropagation: { value: function stopImmediatePropagation() {
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this._propagationStopped = true;
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this._immediatePropagationStopped = true;
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}},
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preventDefault: { value: function preventDefault() {
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if (this.cancelable) this.defaultPrevented = true;
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}},
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initEvent: { value: function initEvent(type, bubbles, cancelable) {
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this._initialized = true;
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if (this._dispatching) return;
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this._propagationStopped = false;
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this._immediatePropagationStopped = false;
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this.defaultPrevented = false;
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this.isTrusted = false;
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this.target = null;
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this.type = type;
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this.bubbles = bubbles;
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this.cancelable = cancelable;
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}},
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});
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