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@ -4,18 +4,19 @@
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'use strict';
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let
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appName = 'ublock',
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contentBaseURI = 'chrome://' + appName + '/content/js/',
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listeners = {},
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_addMessageListener = function(id, fn) {
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let appName = 'ublock';
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let contentBaseURI = 'chrome://' + appName + '/content/js/';
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let listeners = {};
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let _addMessageListener = function(id, fn) {
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_removeMessageListener(id);
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listeners[id] = function(msg) {
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fn(msg.data);
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};
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addMessageListener(id, listeners[id]);
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},
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_removeMessageListener = function(id) {
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};
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let _removeMessageListener = function(id) {
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if (listeners[id]) {
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removeMessageListener(id, listeners[id]);
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}
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@ -24,53 +25,40 @@ let
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};
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addMessageListener('µBlock:broadcast', function(msg) {
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for (var id in listeners) {
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for (let id in listeners) {
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listeners[id](msg);
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}
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});
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var observer = {
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unload: function(e) {
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Services.obs.removeObserver(observer, 'content-document-global-created');
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observer = listeners = null;
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},
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onDOMReady: function(e) {
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var win = e.target.defaultView;
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let initContext = function(win, sandbox) {
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if (sandbox) {
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win = Components.utils.Sandbox([win], {
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sandboxPrototype: win,
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wantComponents: false,
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wantXHRConstructor: false
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});
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}
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if (win.location.protocol === 'chrome:' && win.location.host === appName) {
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win.sendAsyncMessage = sendAsyncMessage;
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win.addMessageListener = _addMessageListener;
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win.removeMessageListener = _removeMessageListener;
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}
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},
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return win;
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};
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let observer = {
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observe: function(win) {
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if (!win || win.top !== content) {
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return;
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}
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// baseURI is more reliable
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var location = Services.io.newURI(
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win.location.protocol === 'data:' ? 'data:text/plain,' : win.document.baseURI,
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null,
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null
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);
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if (!(win.document instanceof win.HTMLDocument
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&& (/^https?$/.test(location.scheme)))) {
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&& (/^https?:$/.test(win.location.protocol)))) {
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return;
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}
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win = Components.utils.Sandbox([win], {
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sandboxPrototype: win,
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wantComponents: false,
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wantXHRConstructor: false
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});
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win.sendAsyncMessage = sendAsyncMessage;
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win.addMessageListener = _addMessageListener;
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win.removeMessageListener = _removeMessageListener;
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var lss = Services.scriptloader.loadSubScript;
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let lss = Services.scriptloader.loadSubScript;
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win = initContext(win, true);
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lss(contentBaseURI + 'vapi-client.js', win);
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lss(contentBaseURI + 'contentscript-start.js', win);
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@ -91,9 +79,20 @@ var observer = {
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Services.obs.addObserver(observer, 'content-document-global-created', false);
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addEventListener('unload', observer.unload, false);
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let DOMReady = function(e) {
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let win = e.target.defaultView;
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// inject the message handlers for the options page
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if (win.location.protocol === 'chrome:' && win.location.host === appName) {
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initContext(win);
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}
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};
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addEventListener('DOMContentLoaded', DOMReady, true);
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// for the Options page
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addEventListener('DOMContentLoaded', observer.onDOMReady, true);
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addEventListener('unload', function() {
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Services.obs.removeObserver(observer, 'content-document-global-created');
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observer = listeners = null;
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}, false);
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})();
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