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@ -5,8 +5,8 @@
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'use strict';
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var
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app_name = 'ublock',
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app_baseURI = 'chrome://' + app_name + '/content/js/',
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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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_removeMessageListener(id);
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@ -29,4 +29,71 @@ addMessageListener('µBlock:broadcast', function(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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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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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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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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lss(contentBaseURI + 'vapi-client.js', win);
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lss(contentBaseURI + 'contentscript-start.js', win);
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if (win.document.readyState === 'loading') {
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let docReady = function(e) {
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this.removeEventListener(e.type, docReady, true);
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lss(contentBaseURI + 'contentscript-end.js', win);
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};
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win.document.addEventListener('DOMContentLoaded', docReady, true);
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}
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else {
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lss(contentBaseURI + 'contentscript-end.js', win);
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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', observer.unload, false);
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// for the Options page
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addEventListener('DOMContentLoaded', observer.onDOMReady, true);
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})();
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