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80 lines
2.6 KiB
80 lines
2.6 KiB
6 years ago
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/* This file overrides about:home. It does the following:
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* Remove the sync button if Sync is disabled
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* Remove the Addons button if Sync is disabled
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* Remove the snippets if snippets are disabled
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*/
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const EXPORTED_SYMBOLS = [];
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const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
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Cu.import("resource://gre/modules/Services.jsm");
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var configs = null;
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var observer = {
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observe: function observe(subject, topic, data) {
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switch (topic) {
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case "content-document-global-created":
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var win = subject.QueryInterface(Components.interfaces.nsIDOMWindow);
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win.addEventListener("load", function onLoad(event) {
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win.removeEventListener("load", onLoad, false);
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var doc = event.target;
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var url = doc.location.href.split("?")[0].split("#")[0];
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switch (url) {
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case "about:home":
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case "chrome://browser/content/abouthome/aboutHome.xhtml":
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if (!configs) {
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// TODO - Make this Async
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configs = sendSyncMessage("cck2:get-configs")[0];
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}
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for (let id in configs) {
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var config = configs[id];
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if (config.disableSync) {
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remove(E("sync", doc));
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}
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if (config.disableAddonsManager) {
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remove(E("addons", doc));
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}
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if (config.disableWebApps) {
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remove(E("apps", doc));
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}
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if (config.removeSnippets) {
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var snippets = E("snippets", doc);
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if (snippets) {
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snippets.style.display = "none";
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}
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}
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if (config.hiddenUI) {
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for (var i=0; i < config.hiddenUI.length; i++) {
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var uiElements = doc.querySelectorAll(config.hiddenUI[i]);
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for (var j=0; j < uiElements.length; j++) {
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var uiElement = uiElements[j];
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uiElement.setAttribute("hidden", "true");
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}
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}
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}
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}
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break;
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}
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}, false);
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break;
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}
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}
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}
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Services.obs.addObserver(observer, "content-document-global-created", false);
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addEventListener("unload", function() {
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Services.obs.removeObserver(observer, "content-document-global-created", false);
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})
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function E(id, context) {
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var element = context.getElementById(id);
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return element;
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}
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function remove(element) {
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if (element && element.parentNode)
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element.parentNode.removeChild(element);
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}
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