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Changed isInIframe to a variable for caching

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This commit is contained in:
Sebastian Öberg 2015-12-09 11:04:37 +01:00
parent 703f922ed8
commit 2ab6f18cee
1 changed files with 7 additions and 7 deletions
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12
src/mousetracker.js
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@ -1367,7 +1367,7 @@
eventParams = getCaptureEventParams( tracker, $.MouseTracker.havePointerEvents ? 'pointerevent' : pointerType );
// We emulate mouse capture by hanging listeners on the document object.
// (Note we listen on the capture phase so the captured handlers will get called first)
if (isInIframe() && canAccessEvents(window.top)) {
if (isInIframe && canAccessEvents(window.top)) {
$.addEvent(
window.top,
eventParams.upName,
@ -1410,7 +1410,7 @@
eventParams = getCaptureEventParams( tracker, $.MouseTracker.havePointerEvents ? 'pointerevent' : pointerType );
// We emulate mouse capture by hanging listeners on the document object.
// (Note we listen on the capture phase so the captured handlers will get called first)
if (isInIframe() && canAccessEvents(window.top)) {
if (isInIframe && canAccessEvents(window.top)) {
$.removeEvent(
window.top,
eventParams.upName,
@ -3266,18 +3266,18 @@
}
/**
* @function
* True if inside an iframe, otherwise false.
* @member {Boolean} isInIframe
* @private
* @inner
* @returns {Boolean} True if inside an iframe, otherwise false.
*/
function isInIframe () {
var isInIframe = (function() {
try {
return window.self !== window.top;
} catch (e) {
return true;
}
}
})();
/**
* @function