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DOMEvents.js
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DOMEvents.js
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(function() {
var noop = function() {};
tabris.DOMEvent = function(type, eventInitDict) {
this.type = type;
this.timeStamp = Date.now();
if (typeof eventInitDict !== "undefined") {
if ("bubbles" in eventInitDict) {
this.bubbles = eventInitDict.bubbles;
}
if ("cancelable" in eventInitDict) {
this.cancelable = eventInitDict.cancelable;
}
}
};
tabris.DOMEvent.prototype = {
NONE: 0,
CAPTURING_PHASE: 1,
AT_TARGET: 2,
BUBBLING_PHASE: 3,
target: null,
currentTarget: null,
eventPhase: 0,
type: "",
bubbles: false,
cancelable: false,
defaultPrevented: false,
isTrusted: false,
stopPropagation: noop,
stopImmediatePropagation: noop,
preventDefault: noop,
initEvent: function(type, bubbles, cancelable) {
this.type = type;
this.bubbles = bubbles;
this.cancelable = cancelable;
}
};
tabris._addDOMEventTargetMethods = function(target) {
if (typeof target.addEventListener === "function") {
return;
}
var listeners;
target.addEventListener = function(type, listener /*, useCapture*/) {
if (!listeners) {
listeners = [];
}
if (!(type in listeners)) {
listeners[type] = [];
}
var index = listeners[type].indexOf(listener);
if (index === -1) {
listeners[type].push(listener);
}
return listeners[type].length === 1;
};
target.removeEventListener = function(type, listener /*, useCapture*/) {
if (listeners && type in listeners) {
var index = listeners[type].indexOf(listener);
if (index !== -1) {
listeners[type].splice(index, 1);
return listeners[type].length === 0;
}
}
return false;
};
target.dispatchEvent = function(event) {
if (listeners && event.type in listeners) {
var eventListeners = listeners[event.type];
for (var i = 0; i < eventListeners.length; i++) {
eventListeners[i].call(this, event);
}
}
};
};
if (typeof window !== "undefined") {
tabris._addDOMEventTargetMethods(window);
if (!window.Event) {
window.Event = tabris.DOMEvent;
}
}
}());