79 lines
2.8 KiB
JavaScript
79 lines
2.8 KiB
JavaScript
window.addEventListener("load", yvInit, false);
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var menuitem;
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function yvInit() {
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window.addEventListener("unload", yvUnload, false);
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menuitem = document.getElementById("yv-menuitem");
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var prefManager = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
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var disabled = prefManager.getBoolPref("extensions.youview.disabled");
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if (disabled) {
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menuitem.label = "Enable YouView";
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} else {
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menuitem.label = "Disable YouView";
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}
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}
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function yvUnload() {
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observerService.removeObserver(YouViewObserver, "http-on-modify-request");
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}
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function able() {
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var prefManager = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
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var disabled = prefManager.getBoolPref("extensions.youview.disabled");
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if (disabled) {
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menuitem.label = "Disable YouView";
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prefManager.setBoolPref("extensions.youview.disabled", false);
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} else {
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menuitem.label = "Enable YouView";
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prefManager.setBoolPref("extensions.youview.disabled", true);
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}
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}
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function hasPrefix(prefix, string) {
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var checkString = string.substr(0, prefix.length);
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if (checkString==prefix)
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return true;
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else
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return false;
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}
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// Observer for HTTP requests to block the sites we don't want
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var YouViewObserver = {
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observe: function(aSubject, aTopic, aData) {
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if (aTopic != 'http-on-modify-request')
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return;
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aSubject.QueryInterface(Components.interfaces.nsIHttpChannel);
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var prefManager = Components.classes["@mozilla.org/preferences-service;1"].getService(Components.interfaces.nsIPrefBranch);
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var disabled = prefManager.getBoolPref("extensions.youview.disabled");
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if(!disabled) {
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var url = aSubject.URI.spec;
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if (url.match(/youtube.com\/watch/i)) {
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var query = url.split("?")[1];
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query = query.split("&");
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for (i=0; i<query.length; i++) {
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var pram = query[i].split("=");
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if (pram[0]=="v") {
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var id = pram[1];
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aSubject.loadFlags = Components.interfaces.nsICachingChannel.LOAD_ONLY_FROM_CACHE;
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aSubject.cancel(Components.results.NS_ERROR_FAILURE);
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window.location = "youview://?id="+id;
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}
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}
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} else if (url.match(/youtu.be\//i)) {
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var id = url.split("youtu.be")[1];
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id = id.split("/")[1];
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aSubject.loadFlags = Components.interfaces.nsICachingChannel.LOAD_ONLY_FROM_CACHE;
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aSubject.cancel(Components.results.NS_ERROR_FAILURE);
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window.location = "youview://?id="+id;
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}
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}
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},
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QueryInterface: function(iid) {
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if (!iid.equals(Components.interfaces.nsISupports) && !iid.equals(Components.interfaces.nsIObserver))
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throw Components.results.NS_ERROR_NO_INTERFACE;
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return this;
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}
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};
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var observerService = Components.classes["@mozilla.org/observer-service;1"].getService(Components.interfaces.nsIObserverService);
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observerService.addObserver(YouViewObserver, "http-on-modify-request", false); |