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Refactor and optimize event handling in notification.js

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This commit is contained in:
chylex 2016-05-12 14:25:00 +02:00
parent af7657e3f8
commit 4c44da7f4a
1 changed files with 12 additions and 26 deletions

38
Resources/notification.js
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@ -1,44 +1,30 @@
(function($TD){
//
// Function: Bubbles up the parents until it hits an element with the specified tag (includes the first element), and returns true if the search was successful.
// Variable: Collection of all <a> tags.
//
var bubbleParents = function(element, tag, callback){
do{
if (element.tagName === "A"){
callback(element);
return true;
}
}while((element = element.parentElement) != null);
return false;
};
var links = document.getElementsByTagName("A");
//
// Function: Adds an event listener which calls listener(event, element) when an event was triggered by an element of the specified type or one of its children.
// Function: Adds an event listener to all elements in the array or collection.
//
EventTarget.prototype.addBubbledEventListener = function(element, type, listener){
this.addEventListener(type,function(e){
bubbleParents(e.target,element.toUpperCase(),function(ele){
listener(e,ele);
});
});
var addEventListener = function(collection, type, listener){
for(let index = 0; index < collection.length; index++){
collection[index].addEventListener(type,listener);
}
};
//
// Block: Hook into links to bypass default open function.
//
document.body.addEventListener("click",function(e){
if (bubbleParents(e.target,"A",function(ele){
$TD.openBrowser(ele.getAttribute("href"));
})){
e.preventDefault();
}
addEventListener(links,"click",function(e){
$TD.openBrowser(e.currentTarget.getAttribute("href"));
e.preventDefault();
});
//
// Block: Allow bypassing of t.co in context menus.
//
document.body.addBubbledEventListener("a","contextmenu",function(e, ele){
$TD.setLastRightClickedLink(ele.getAttribute("data-full-url") || "");
addEventListener(links,"contextmenu",function(e){
$TD.setLastRightClickedLink(e.currentTarget.getAttribute("data-full-url") || "");
});
})($TD);