mirror of
https://github.com/gorhill/uBlock.git
synced 2024-11-10 09:07:54 +01:00
1550 lines
44 KiB
JavaScript
1550 lines
44 KiB
JavaScript
/*******************************************************************************
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µBlock - a browser extension to block requests.
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Copyright (C) 2014 The µBlock authors
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see {http://www.gnu.org/licenses/}.
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Home: https://github.com/gorhill/uBlock
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*/
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/* jshint esnext: true, bitwise: false */
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/* global self, Components, punycode */
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// For background page
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/******************************************************************************/
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(function() {
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'use strict';
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/******************************************************************************/
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const {classes: Cc, interfaces: Ci, utils: Cu} = Components;
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const {Services} = Cu.import('resource://gre/modules/Services.jsm', null);
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/******************************************************************************/
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var vAPI = self.vAPI = self.vAPI || {};
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vAPI.firefox = true;
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/******************************************************************************/
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// TODO: read these data from somewhere...
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vAPI.app = {
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name: 'µBlock',
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version: '0.8.6.0'
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};
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/******************************************************************************/
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vAPI.app.restart = function() {
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// Listening in bootstrap.js
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Cc['@mozilla.org/childprocessmessagemanager;1']
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.getService(Ci.nsIMessageSender)
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.sendAsyncMessage(location.host + '-restart');
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};
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/******************************************************************************/
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// List of things that needs to be destroyed when disabling the extension
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// Only functions should be added to it
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var cleanupTasks = [];
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/******************************************************************************/
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var SQLite = {
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open: function() {
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var path = Services.dirsvc.get('ProfD', Ci.nsIFile);
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path.append('extension-data');
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if ( !path.exists() ) {
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path.create(Ci.nsIFile.DIRECTORY_TYPE, parseInt('0774', 8));
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}
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if ( !path.isDirectory() ) {
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throw Error('Should be a directory...');
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}
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path.append(location.host + '.sqlite');
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this.db = Services.storage.openDatabase(path);
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this.db.executeSimpleSQL(
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'CREATE TABLE IF NOT EXISTS settings' +
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'(name TEXT PRIMARY KEY NOT NULL, value TEXT);'
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);
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cleanupTasks.push(function() {
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// VACUUM somewhere else, instead on unload?
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SQLite.run('VACUUM');
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SQLite.db.asyncClose();
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});
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},
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run: function(query, values, callback) {
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if ( !this.db ) {
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this.open();
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}
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var result = {};
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query = this.db.createAsyncStatement(query);
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if ( Array.isArray(values) && values.length ) {
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var i = values.length;
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while ( i-- ) {
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query.bindByIndex(i, values[i]);
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}
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}
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query.executeAsync({
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handleResult: function(rows) {
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if ( !rows || typeof callback !== 'function' ) {
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return;
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}
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var row;
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while ( row = rows.getNextRow() ) {
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// we assume that there will be two columns, since we're
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// using it only for preferences
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result[row.getResultByIndex(0)] = row.getResultByIndex(1);
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}
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},
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handleCompletion: function(reason) {
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if ( typeof callback === 'function' && reason === 0 ) {
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callback(result);
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}
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},
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handleError: function(error) {
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console.error('SQLite error ', error.result, error.message);
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}
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});
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}
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};
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/******************************************************************************/
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vAPI.storage = {
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QUOTA_BYTES: 100 * 1024 * 1024,
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sqlWhere: function(col, params) {
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if ( params > 0 ) {
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params = new Array(params + 1).join('?, ').slice(0, -2);
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return ' WHERE ' + col + ' IN (' + params + ')';
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}
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return '';
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},
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get: function(details, callback) {
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if ( typeof callback !== 'function' ) {
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return;
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}
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var values = [], defaults = false;
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if ( details !== null ) {
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if ( Array.isArray(details) ) {
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values = details;
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} else if ( typeof details === 'object' ) {
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defaults = true;
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values = Object.keys(details);
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} else {
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values = [details.toString()];
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}
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}
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SQLite.run(
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'SELECT * FROM settings' + this.sqlWhere('name', values.length),
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values,
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function(result) {
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var key;
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for ( key in result ) {
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result[key] = JSON.parse(result[key]);
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}
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if ( defaults ) {
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for ( key in details ) {
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if ( result[key] === undefined ) {
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result[key] = details[key];
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}
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}
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}
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callback(result);
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}
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);
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},
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set: function(details, callback) {
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var key, values = [], placeholders = [];
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for ( key in details ) {
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if ( !details.hasOwnProperty(key) ) {
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continue;
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}
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values.push(key);
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values.push(JSON.stringify(details[key]));
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placeholders.push('?, ?');
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}
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if ( !values.length ) {
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return;
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}
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SQLite.run(
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'INSERT OR REPLACE INTO settings (name, value) SELECT ' +
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placeholders.join(' UNION SELECT '),
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values,
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callback
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);
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},
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remove: function(keys, callback) {
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if ( typeof keys === 'string' ) {
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keys = [keys];
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}
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SQLite.run(
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'DELETE FROM settings' + this.sqlWhere('name', keys.length),
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keys,
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callback
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);
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},
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clear: function(callback) {
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SQLite.run('DELETE FROM settings');
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SQLite.run('VACUUM', null, callback);
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},
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getBytesInUse: function(keys, callback) {
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if ( typeof callback !== 'function' ) {
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return;
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}
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SQLite.run(
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'SELECT "size" AS size, SUM(LENGTH(value)) FROM settings' +
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this.sqlWhere('name', Array.isArray(keys) ? keys.length : 0),
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keys,
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function(result) {
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callback(result.size);
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}
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);
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}
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};
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/******************************************************************************/
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var windowWatcher = {
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onTabClose: function(e) {
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var tabId = vAPI.tabs.getTabId(e.target);
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vAPI.tabs.onClosed(tabId);
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delete vAPI.toolbarButton.tabs[tabId];
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},
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onTabSelect: function(e) {
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vAPI.setIcon(
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vAPI.tabs.getTabId(e.target),
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e.target.ownerDocument.defaultView
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);
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},
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onReady: function(e) {
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if ( e ) {
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this.removeEventListener(e.type, windowWatcher.onReady);
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}
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var wintype = this.document.documentElement.getAttribute('windowtype');
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if ( wintype !== 'navigator:browser' ) {
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return;
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}
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if ( !this.gBrowser || !this.gBrowser.tabContainer ) {
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return;
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}
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var tC = this.gBrowser.tabContainer;
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this.gBrowser.addTabsProgressListener(tabsProgressListener);
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tC.addEventListener('TabClose', windowWatcher.onTabClose);
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tC.addEventListener('TabSelect', windowWatcher.onTabSelect);
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vAPI.contextMenu.register(this.document);
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// when new window is opened TabSelect doesn't run on the selected tab?
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},
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observe: function(win, topic) {
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if ( topic === 'domwindowopened' ) {
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win.addEventListener('DOMContentLoaded', this.onReady);
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}
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}
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};
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/******************************************************************************/
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var tabsProgressListener = {
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onLocationChange: function(browser, webProgress, request, location, flags) {
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if ( !webProgress.isTopLevel ) {
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return;
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}
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var tabId = vAPI.tabs.getTabId(browser);
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// LOCATION_CHANGE_SAME_DOCUMENT = "did not load a new document"
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if ( flags & 1 ) {
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vAPI.tabs.onUpdated(tabId, {url: location.asciiSpec}, {
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frameId: 0,
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tabId: tabId,
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url: browser.currentURI.asciiSpec
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});
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return;
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}
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// https://github.com/gorhill/uBlock/issues/105
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// Allow any kind of pages
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vAPI.tabs.onNavigation({
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frameId: 0,
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tabId: tabId,
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url: location.asciiSpec
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});
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}
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};
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/******************************************************************************/
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vAPI.tabs = {};
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/******************************************************************************/
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vAPI.isNoTabId = function(tabId) {
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return tabId.toString() === '_';
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};
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vAPI.noTabId = '_';
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/******************************************************************************/
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vAPI.tabs.registerListeners = function() {
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// onNavigation and onUpdated handled with tabsProgressListener
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// onClosed - handled in windowWatcher.onTabClose
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// onPopup ?
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for ( var win of this.getWindows() ) {
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windowWatcher.onReady.call(win);
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}
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Services.ww.registerNotification(windowWatcher);
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cleanupTasks.push(function() {
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Services.ww.unregisterNotification(windowWatcher);
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for ( var win of vAPI.tabs.getWindows() ) {
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vAPI.contextMenu.unregister(win.document);
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win.removeEventListener('DOMContentLoaded', windowWatcher.onReady);
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win.gBrowser.removeTabsProgressListener(tabsProgressListener);
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var tC = win.gBrowser.tabContainer;
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tC.removeEventListener('TabClose', windowWatcher.onTabClose);
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tC.removeEventListener('TabSelect', windowWatcher.onTabSelect);
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// close extension tabs
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for ( var tab of win.gBrowser.tabs ) {
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var URI = tab.linkedBrowser.currentURI;
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if ( URI.schemeIs('chrome') && URI.host === location.host ) {
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win.gBrowser.removeTab(tab);
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}
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}
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}
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});
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};
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/******************************************************************************/
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vAPI.tabs.getTabId = function(target) {
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if ( target.linkedPanel ) {
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return target.linkedPanel;
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}
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var i, gBrowser = target.ownerDocument.defaultView.gBrowser;
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// This should be more efficient from version 35
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if ( gBrowser.getTabForBrowser ) {
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i = gBrowser.getTabForBrowser(target);
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return i ? i.linkedPanel : -1;
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}
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i = gBrowser.browsers.indexOf(target);
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if ( i !== -1 ) {
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i = gBrowser.tabs[i].linkedPanel;
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}
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return i;
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};
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/******************************************************************************/
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vAPI.tabs.get = function(tabId, callback) {
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var tab, windows;
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if ( tabId === null ) {
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tab = Services.wm.getMostRecentWindow('navigator:browser').gBrowser.selectedTab;
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tabId = vAPI.tabs.getTabId(tab);
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} else {
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windows = this.getWindows();
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for ( var win of windows ) {
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tab = win.gBrowser.tabContainer.querySelector(
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'tab[linkedpanel="' + tabId + '"]'
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);
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if ( tab ) {
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break;
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}
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}
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}
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// for internal use
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if ( typeof callback !== 'function' ) {
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return tab;
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}
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if ( !tab ) {
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callback();
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return;
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}
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var browser = tab.linkedBrowser;
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var gBrowser = browser.ownerDocument.defaultView.gBrowser;
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if ( !windows ) {
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windows = this.getWindows();
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}
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callback({
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id: tabId,
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index: gBrowser.browsers.indexOf(browser),
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windowId: windows.indexOf(browser.ownerDocument.defaultView),
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active: tab === gBrowser.selectedTab,
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url: browser.currentURI.asciiSpec,
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title: tab.label
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});
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};
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/******************************************************************************/
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vAPI.tabs.getAll = function(window) {
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var win, tab, tabs = [];
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for ( win of this.getWindows() ) {
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if ( window && window !== win ) {
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continue;
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}
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for ( tab of win.gBrowser.tabs ) {
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tabs.push(tab);
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}
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}
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return tabs;
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};
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/******************************************************************************/
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vAPI.tabs.getWindows = function() {
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var winumerator = Services.wm.getEnumerator('navigator:browser');
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var windows = [];
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while ( winumerator.hasMoreElements() ) {
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var win = winumerator.getNext();
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if ( !win.closed ) {
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windows.push(win);
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}
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}
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return windows;
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};
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/******************************************************************************/
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// properties of the details object:
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// url: 'URL', // the address that will be opened
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// tabId: 1, // the tab is used if set, instead of creating a new one
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// index: -1, // undefined: end of the list, -1: following tab, or after index
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// active: false, // opens the tab in background - true and undefined: foreground
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// select: true // if a tab is already opened with that url, then select it instead of opening a new one
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vAPI.tabs.open = function(details) {
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if ( !details.url ) {
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return null;
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}
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// extension pages
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if ( /^[\w-]{2,}:/.test(details.url) === false ) {
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details.url = vAPI.getURL(details.url);
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}
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var tab, tabs;
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if ( details.select ) {
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var URI = Services.io.newURI(details.url, null, null);
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tabs = this.getAll();
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for ( tab of tabs ) {
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var browser = tab.linkedBrowser;
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// Or simply .equals if we care about the fragment
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if ( URI.equalsExceptRef(browser.currentURI) ) {
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browser.ownerDocument.defaultView.gBrowser.selectedTab = tab;
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return;
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}
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}
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}
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if ( details.active === undefined ) {
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details.active = true;
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}
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var gBrowser = Services.wm.getMostRecentWindow('navigator:browser').gBrowser;
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if ( details.index === -1 ) {
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details.index = gBrowser.browsers.indexOf(gBrowser.selectedBrowser) + 1;
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}
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if ( details.tabId ) {
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tabs = tabs || this.getAll();
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for ( tab of tabs ) {
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if ( vAPI.tabs.getTabId(tab) === details.tabId ) {
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tab.linkedBrowser.loadURI(details.url);
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return;
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}
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}
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}
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tab = gBrowser.loadOneTab(details.url, {inBackground: !details.active});
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|
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if ( details.index !== undefined ) {
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gBrowser.moveTabTo(tab, details.index);
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}
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};
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/******************************************************************************/
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vAPI.tabs.remove = function(tabIds) {
|
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if ( !Array.isArray(tabIds) ) {
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tabIds = [tabIds];
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}
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|
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tabIds = tabIds.map(function(tabId) {
|
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return 'tab[linkedpanel="' + tabId + '"]';
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}).join(',');
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|
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for ( var win of this.getWindows() ) {
|
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var tabs = win.gBrowser.tabContainer.querySelectorAll(tabIds);
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|
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if ( !tabs ) {
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continue;
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}
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|
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for ( var tab of tabs ) {
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win.gBrowser.removeTab(tab);
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}
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}
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};
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/******************************************************************************/
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vAPI.tabs.reload = function(tabId) {
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var tab = this.get(tabId);
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|
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if ( tab ) {
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tab.ownerDocument.defaultView.gBrowser.reloadTab(tab);
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}
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};
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/******************************************************************************/
|
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|
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vAPI.tabs.injectScript = function(tabId, details, callback) {
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var tab = vAPI.tabs.get(tabId);
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|
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if ( !tab ) {
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return;
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}
|
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|
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if ( details.file ) {
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details.file = vAPI.getURL(details.file);
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}
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tab.linkedBrowser.messageManager.sendAsyncMessage(
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location.host + ':broadcast',
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JSON.stringify({
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broadcast: true,
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channelName: 'vAPI',
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msg: {
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cmd: 'injectScript',
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details: details
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}
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})
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);
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|
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if ( typeof callback === 'function' ) {
|
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setTimeout(callback, 13);
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}
|
|
};
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|
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/******************************************************************************/
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|
|
|
vAPI.setIcon = function(tabId, iconStatus, badge) {
|
|
// If badge is undefined, then setIcon was called from the TabSelect event
|
|
var win = badge === undefined
|
|
? iconStatus
|
|
: Services.wm.getMostRecentWindow('navigator:browser');
|
|
var curTabId = vAPI.tabs.getTabId(win.gBrowser.selectedTab);
|
|
var tb = vAPI.toolbarButton;
|
|
|
|
// from 'TabSelect' event
|
|
if ( tabId === undefined ) {
|
|
tabId = curTabId;
|
|
} else if ( badge !== undefined ) {
|
|
tb.tabs[tabId] = {
|
|
badge: badge,
|
|
img: iconStatus === 'on'
|
|
};
|
|
}
|
|
|
|
if ( tabId !== curTabId ) {
|
|
return;
|
|
}
|
|
|
|
var button = win.document.getElementById(tb.id);
|
|
|
|
if ( !button ) {
|
|
return;
|
|
}
|
|
|
|
var icon = tb.tabs[tabId];
|
|
button.setAttribute('badge', icon && icon.badge || '');
|
|
|
|
if ( !icon || !icon.img ) {
|
|
icon = '';
|
|
}
|
|
else {
|
|
icon = 'url(' + vAPI.getURL('img/browsericons/icon16.svg') + ')';
|
|
}
|
|
|
|
button.style.listStyleImage = icon;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging = {
|
|
get globalMessageManager() {
|
|
return Cc['@mozilla.org/globalmessagemanager;1']
|
|
.getService(Ci.nsIMessageListenerManager);
|
|
},
|
|
frameScript: vAPI.getURL('frameScript.js'),
|
|
listeners: {},
|
|
defaultHandler: null,
|
|
NOOPFUNC: function(){},
|
|
UNHANDLED: 'vAPI.messaging.notHandled'
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.listen = function(listenerName, callback) {
|
|
this.listeners[listenerName] = callback;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.onMessage = function({target, data}) {
|
|
var messageManager = target.messageManager;
|
|
|
|
if ( !messageManager ) {
|
|
// Message came from a popup, and its message manager is not usable.
|
|
// So instead we broadcast to the parent window.
|
|
messageManager = target
|
|
.webNavigation.QueryInterface(Ci.nsIDocShell)
|
|
.chromeEventHandler.ownerDocument.defaultView.messageManager;
|
|
}
|
|
|
|
var listenerId = data.channelName.split('|');
|
|
var requestId = data.requestId;
|
|
var channelName = listenerId[1];
|
|
listenerId = listenerId[0];
|
|
|
|
var callback = vAPI.messaging.NOOPFUNC;
|
|
if ( requestId !== undefined ) {
|
|
callback = function(response) {
|
|
var message = JSON.stringify({
|
|
requestId: requestId,
|
|
channelName: channelName,
|
|
msg: response !== undefined ? response : null
|
|
});
|
|
|
|
if ( messageManager.sendAsyncMessage ) {
|
|
messageManager.sendAsyncMessage(listenerId, message);
|
|
} else {
|
|
messageManager.broadcastAsyncMessage(listenerId, message);
|
|
}
|
|
};
|
|
}
|
|
|
|
var sender = {
|
|
tab: {
|
|
id: vAPI.tabs.getTabId(target)
|
|
}
|
|
};
|
|
|
|
// Specific handler
|
|
var r = vAPI.messaging.UNHANDLED;
|
|
var listener = vAPI.messaging.listeners[channelName];
|
|
if ( typeof listener === 'function' ) {
|
|
r = listener(data.msg, sender, callback);
|
|
}
|
|
if ( r !== vAPI.messaging.UNHANDLED ) {
|
|
return;
|
|
}
|
|
|
|
// Default handler
|
|
r = vAPI.messaging.defaultHandler(data.msg, sender, callback);
|
|
if ( r !== vAPI.messaging.UNHANDLED ) {
|
|
return;
|
|
}
|
|
|
|
console.error('µBlock> messaging > unknown request: %o', data);
|
|
|
|
// Unhandled:
|
|
// Need to callback anyways in case caller expected an answer, or
|
|
// else there is a memory leak on caller's side
|
|
callback();
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.setup = function(defaultHandler) {
|
|
// Already setup?
|
|
if ( this.defaultHandler !== null ) {
|
|
return;
|
|
}
|
|
|
|
if ( typeof defaultHandler !== 'function' ) {
|
|
defaultHandler = function(){ return vAPI.messaging.UNHANDLED; };
|
|
}
|
|
this.defaultHandler = defaultHandler;
|
|
|
|
this.globalMessageManager.addMessageListener(
|
|
location.host + ':background',
|
|
this.onMessage
|
|
);
|
|
|
|
this.globalMessageManager.loadFrameScript(this.frameScript, true);
|
|
|
|
cleanupTasks.push(function() {
|
|
var gmm = vAPI.messaging.globalMessageManager;
|
|
|
|
gmm.removeDelayedFrameScript(vAPI.messaging.frameScript);
|
|
gmm.removeMessageListener(
|
|
location.host + ':background',
|
|
vAPI.messaging.onMessage
|
|
);
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.messaging.broadcast = function(message) {
|
|
this.globalMessageManager.broadcastAsyncMessage(
|
|
location.host + ':broadcast',
|
|
JSON.stringify({broadcast: true, msg: message})
|
|
);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
var httpObserver = {
|
|
classDescription: 'net-channel-event-sinks for ' + location.host,
|
|
classID: Components.ID('{dc8d6319-5f6e-4438-999e-53722db99e84}'),
|
|
contractID: '@' + location.host + '/net-channel-event-sinks;1',
|
|
ABORT: Components.results.NS_BINDING_ABORTED,
|
|
ACCEPT: Components.results.NS_SUCCEEDED,
|
|
// Request types: https://developer.mozilla.org/en-US/docs/Mozilla/Tech/XPCOM/Reference/Interface/nsIContentPolicy#Constants
|
|
MAIN_FRAME: Ci.nsIContentPolicy.TYPE_DOCUMENT,
|
|
VALID_CSP_TARGETS: 1 << Ci.nsIContentPolicy.TYPE_DOCUMENT |
|
|
1 << Ci.nsIContentPolicy.TYPE_SUBDOCUMENT,
|
|
typeMap: {
|
|
2: 'script',
|
|
3: 'image',
|
|
4: 'stylesheet',
|
|
5: 'object',
|
|
6: 'main_frame',
|
|
7: 'sub_frame',
|
|
11: 'xmlhttprequest',
|
|
12: 'object',
|
|
14: 'font'
|
|
},
|
|
lastRequest: {
|
|
url: null,
|
|
type: null,
|
|
tabId: null,
|
|
frameId: null,
|
|
parentFrameId: null,
|
|
openerURL: null
|
|
},
|
|
|
|
get componentRegistrar() {
|
|
return Components.manager.QueryInterface(Ci.nsIComponentRegistrar);
|
|
},
|
|
|
|
get categoryManager() {
|
|
return Cc['@mozilla.org/categorymanager;1']
|
|
.getService(Ci.nsICategoryManager);
|
|
},
|
|
|
|
QueryInterface: (function() {
|
|
var {XPCOMUtils} = Cu.import('resource://gre/modules/XPCOMUtils.jsm', null);
|
|
|
|
return XPCOMUtils.generateQI([
|
|
Ci.nsIFactory,
|
|
Ci.nsIObserver,
|
|
Ci.nsIChannelEventSink,
|
|
Ci.nsISupportsWeakReference
|
|
]);
|
|
})(),
|
|
|
|
createInstance: function(outer, iid) {
|
|
if ( outer ) {
|
|
throw Components.results.NS_ERROR_NO_AGGREGATION;
|
|
}
|
|
|
|
return this.QueryInterface(iid);
|
|
},
|
|
|
|
register: function() {
|
|
Services.obs.addObserver(this, 'http-on-opening-request', true);
|
|
Services.obs.addObserver(this, 'http-on-examine-response', true);
|
|
|
|
this.componentRegistrar.registerFactory(
|
|
this.classID,
|
|
this.classDescription,
|
|
this.contractID,
|
|
this
|
|
);
|
|
this.categoryManager.addCategoryEntry(
|
|
'net-channel-event-sinks',
|
|
this.contractID,
|
|
this.contractID,
|
|
false,
|
|
true
|
|
);
|
|
},
|
|
|
|
unregister: function() {
|
|
Services.obs.removeObserver(this, 'http-on-opening-request');
|
|
Services.obs.removeObserver(this, 'http-on-examine-response');
|
|
|
|
this.componentRegistrar.unregisterFactory(this.classID, this);
|
|
this.categoryManager.deleteCategoryEntry(
|
|
'net-channel-event-sinks',
|
|
this.contractID,
|
|
false
|
|
);
|
|
},
|
|
|
|
handlePopup: function(URI, tabId, sourceTabId) {
|
|
if ( !sourceTabId ) {
|
|
return false;
|
|
}
|
|
|
|
if ( !URI.schemeIs('http') && !URI.schemeIs('https') ) {
|
|
return false;
|
|
}
|
|
|
|
var result = vAPI.tabs.onPopup({
|
|
tabId: tabId,
|
|
sourceTabId: sourceTabId,
|
|
url: URI.asciiSpec
|
|
});
|
|
|
|
return result === true;
|
|
},
|
|
|
|
handleRequest: function(channel, details) {
|
|
var onBeforeRequest = vAPI.net.onBeforeRequest;
|
|
var type = this.typeMap[details.type] || 'other';
|
|
|
|
if ( onBeforeRequest.types.has(type) === false ) {
|
|
return false;
|
|
}
|
|
|
|
var result = onBeforeRequest.callback({
|
|
frameId: details.frameId,
|
|
hostname: channel.URI.asciiHost,
|
|
parentFrameId: details.parentFrameId,
|
|
tabId: details.tabId,
|
|
type: type,
|
|
url: channel.URI.asciiSpec
|
|
});
|
|
|
|
if ( !result || typeof result !== 'object' ) {
|
|
return false;
|
|
}
|
|
|
|
if ( result.cancel === true ) {
|
|
channel.cancel(this.ABORT);
|
|
return true;
|
|
}
|
|
|
|
if ( result.redirectUrl ) {
|
|
channel.redirectionLimit = 1;
|
|
channel.redirectTo(
|
|
Services.io.newURI(result.redirectUrl, null, null)
|
|
);
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
observe: function(channel, topic) {
|
|
if ( !(channel instanceof Ci.nsIHttpChannel) ) {
|
|
return;
|
|
}
|
|
|
|
var URI = channel.URI;
|
|
var channelData, result;
|
|
|
|
if ( topic === 'http-on-examine-response' ) {
|
|
if ( !(channel instanceof Ci.nsIWritablePropertyBag) ) {
|
|
return;
|
|
}
|
|
|
|
try {
|
|
// [type, tabId, sourceTabId - given if it was a popup]
|
|
channelData = channel.getProperty(location.host + 'reqdata');
|
|
} catch (ex) {
|
|
return;
|
|
}
|
|
|
|
if ( !channelData ) {
|
|
return;
|
|
}
|
|
|
|
if ( (1 << channelData[0] & this.VALID_CSP_TARGETS) === 0 ) {
|
|
return;
|
|
}
|
|
|
|
topic = 'Content-Security-Policy';
|
|
|
|
try {
|
|
result = channel.getResponseHeader(topic);
|
|
} catch (ex) {
|
|
result = null;
|
|
}
|
|
|
|
result = vAPI.net.onHeadersReceived.callback({
|
|
hostname: URI.asciiHost,
|
|
parentFrameId: channelData[0] === this.MAIN_FRAME ? -1 : 0,
|
|
responseHeaders: result ? [{name: topic, value: result}] : [],
|
|
tabId: channelData[1],
|
|
url: URI.asciiSpec
|
|
});
|
|
|
|
if ( result ) {
|
|
channel.setResponseHeader(
|
|
topic,
|
|
result.responseHeaders.pop().value,
|
|
true
|
|
);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
// http-on-opening-request
|
|
|
|
var lastRequest = this.lastRequest;
|
|
|
|
if ( !lastRequest.url || lastRequest.url !== URI.spec ) {
|
|
lastRequest.url = null;
|
|
return;
|
|
}
|
|
|
|
// Important! When loading file via XHR for mirroring,
|
|
// the URL will be the same, so it could fall into an infinite loop
|
|
lastRequest.url = null;
|
|
|
|
var sourceTabId = null;
|
|
|
|
// Popup candidate (only for main_frame type)
|
|
if ( lastRequest.openerURL ) {
|
|
for ( var tab of vAPI.tabs.getAll() ) {
|
|
var tabURI = tab.linkedBrowser.currentURI;
|
|
|
|
// Probably isn't the best method to identify the source tab
|
|
if ( tabURI.spec !== lastRequest.openerURL ) {
|
|
continue;
|
|
}
|
|
|
|
sourceTabId = vAPI.tabs.getTabId(tab);
|
|
|
|
if ( sourceTabId !== lastRequest.tabId ) {
|
|
break;
|
|
}
|
|
|
|
sourceTabId = null;
|
|
}
|
|
|
|
if ( this.handlePopup(channel.URI, lastRequest.tabId, sourceTabId) ) {
|
|
channel.cancel(this.ABORT);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if ( this.handleRequest(channel, lastRequest) ) {
|
|
return;
|
|
}
|
|
|
|
// If request is not handled we may use the data in on-modify-request
|
|
if ( channel instanceof Ci.nsIWritablePropertyBag ) {
|
|
channel.setProperty(
|
|
location.host + 'reqdata',
|
|
[lastRequest.type, lastRequest.tabId, sourceTabId]
|
|
);
|
|
}
|
|
},
|
|
|
|
// contentPolicy.shouldLoad doesn't detect redirects, this needs to be used
|
|
asyncOnChannelRedirect: function(oldChannel, newChannel, flags, callback) {
|
|
var result = this.ACCEPT;
|
|
|
|
// If error thrown, the redirect will fail
|
|
try {
|
|
// skip internal redirects?
|
|
/*if ( flags & 4 ) {
|
|
console.log('internal redirect skipped');
|
|
return;
|
|
}*/
|
|
|
|
var URI = newChannel.URI;
|
|
|
|
if ( !URI.schemeIs('http') && !URI.schemeIs('https') ) {
|
|
return;
|
|
}
|
|
|
|
if ( !(oldChannel instanceof Ci.nsIWritablePropertyBag) ) {
|
|
return;
|
|
}
|
|
|
|
var channelData = oldChannel.getProperty(location.host + 'reqdata');
|
|
var [type, tabId, sourceTabId] = channelData;
|
|
|
|
if ( this.handlePopup(URI, tabId, sourceTabId) ) {
|
|
result = this.ABORT;
|
|
return;
|
|
}
|
|
|
|
var details = {
|
|
type: type,
|
|
tabId: tabId,
|
|
// well...
|
|
frameId: type === this.MAIN_FRAME ? -1 : 0,
|
|
parentFrameId: -1
|
|
};
|
|
|
|
if ( this.handleRequest(newChannel, details) ) {
|
|
result = this.ABORT;
|
|
return;
|
|
}
|
|
|
|
// Carry the data on in case of multiple redirects
|
|
if ( newChannel instanceof Ci.nsIWritablePropertyBag ) {
|
|
newChannel.setProperty(location.host + 'reqdata', channelData);
|
|
}
|
|
} catch (ex) {
|
|
// console.error(ex);
|
|
} finally {
|
|
callback.onRedirectVerifyCallback(result);
|
|
}
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.net = {};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.net.registerListeners = function() {
|
|
// Since it's not used
|
|
this.onBeforeSendHeaders = null;
|
|
|
|
this.onBeforeRequest.types = new Set(this.onBeforeRequest.types);
|
|
|
|
var shouldLoadListenerMessageName = location.host + ':shouldLoad';
|
|
var shouldLoadListener = function(e) {
|
|
var details = e.data;
|
|
|
|
// data: and about:blank
|
|
if ( details.url.charAt(0) !== 'h' ) {
|
|
vAPI.net.onBeforeRequest.callback({
|
|
frameId: details.frameId,
|
|
parentFrameId: details.parentFrameId,
|
|
tabId: vAPI.tabs.getTabId(e.target),
|
|
type: 'main_frame',
|
|
url: 'http://' + details.url.slice(0, details.url.indexOf(':'))
|
|
});
|
|
return;
|
|
}
|
|
|
|
var lastRequest = httpObserver.lastRequest;
|
|
lastRequest.url = details.url;
|
|
lastRequest.type = details.type;
|
|
lastRequest.tabId = vAPI.tabs.getTabId(e.target);
|
|
lastRequest.frameId = details.frameId;
|
|
lastRequest.parentFrameId = details.parentFrameId;
|
|
lastRequest.openerURL = details.openerURL;
|
|
};
|
|
|
|
vAPI.messaging.globalMessageManager.addMessageListener(
|
|
shouldLoadListenerMessageName,
|
|
shouldLoadListener
|
|
);
|
|
|
|
httpObserver.register();
|
|
|
|
cleanupTasks.push(function() {
|
|
vAPI.messaging.globalMessageManager.removeMessageListener(
|
|
shouldLoadListenerMessageName,
|
|
shouldLoadListener
|
|
);
|
|
|
|
httpObserver.unregister();
|
|
});
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.toolbarButton = {
|
|
id: location.host + '-button',
|
|
type: 'view',
|
|
viewId: location.host + '-panel',
|
|
label: vAPI.app.name,
|
|
tooltiptext: vAPI.app.name,
|
|
tabs: {/*tabId: {badge: 0, img: boolean}*/}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.toolbarButton.init = function() {
|
|
try {
|
|
var {CustomizableUI} = Cu.import('resource:///modules/CustomizableUI.jsm', null);
|
|
} catch (ex) {
|
|
return;
|
|
}
|
|
|
|
this.defaultArea = CustomizableUI.AREA_NAVBAR;
|
|
this.styleURI = [
|
|
'#' + this.id + ' {',
|
|
'list-style-image: url(',
|
|
vAPI.getURL('img/browsericons/icon16-off.svg'),
|
|
');',
|
|
'}',
|
|
'#' + this.viewId + ', #' + this.viewId + ' > iframe {',
|
|
'width: 160px;',
|
|
'height: 290px;',
|
|
'overflow: hidden !important;',
|
|
'}'
|
|
];
|
|
|
|
var platformVersion = Services.appinfo.platformVersion;
|
|
|
|
if ( Services.vc.compare(platformVersion, '36.0') < 0 ) {
|
|
this.styleURI.push(
|
|
'#' + this.id + '[badge]:not([badge=""])::after {',
|
|
'position: absolute;',
|
|
'margin-left: -16px;',
|
|
'margin-top: 3px;',
|
|
'padding: 1px 2px;',
|
|
'font-size: 9px;',
|
|
'font-weight: bold;',
|
|
'color: #fff;',
|
|
'background: #666;',
|
|
'content: attr(badge);',
|
|
'}'
|
|
);
|
|
}
|
|
|
|
this.styleURI = Services.io.newURI(
|
|
'data:text/css,' + encodeURIComponent(this.styleURI.join('')),
|
|
null,
|
|
null
|
|
);
|
|
|
|
this.closePopup = function({target}) {
|
|
CustomizableUI.hidePanelForNode(
|
|
target.ownerDocument.getElementById(vAPI.toolbarButton.viewId)
|
|
);
|
|
};
|
|
|
|
CustomizableUI.createWidget(this);
|
|
vAPI.messaging.globalMessageManager.addMessageListener(
|
|
location.host + ':closePopup',
|
|
this.closePopup
|
|
);
|
|
|
|
cleanupTasks.push(function() {
|
|
CustomizableUI.destroyWidget(this.id);
|
|
vAPI.messaging.globalMessageManager.removeMessageListener(
|
|
location.host + ':closePopup',
|
|
this.closePopup
|
|
);
|
|
|
|
for ( var win of vAPI.tabs.getWindows() ) {
|
|
var panel = win.document.getElementById(this.viewId);
|
|
panel.parentNode.removeChild(panel);
|
|
win.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils)
|
|
.removeSheet(this.styleURI, 1);
|
|
}
|
|
}.bind(this));
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.toolbarButton.onBeforeCreated = function(doc) {
|
|
var panel = doc.createElement('panelview');
|
|
panel.setAttribute('id', this.viewId);
|
|
|
|
var iframe = doc.createElement('iframe');
|
|
iframe.setAttribute('type', 'content');
|
|
|
|
doc.getElementById('PanelUI-multiView')
|
|
.appendChild(panel)
|
|
.appendChild(iframe);
|
|
|
|
var updateTimer = null;
|
|
var delayedResize = function() {
|
|
if ( updateTimer ) {
|
|
return;
|
|
}
|
|
|
|
updateTimer = setTimeout(resizePopup, 20);
|
|
};
|
|
var resizePopup = function() {
|
|
var body = iframe.contentDocument.body;
|
|
panel.parentNode.style.maxWidth = 'none';
|
|
// Set the hegiht first, then the width for proper resising
|
|
panel.style.height = iframe.style.height = body.clientHeight + 'px';
|
|
panel.style.width = iframe.style.width = body.clientWidth + 'px';
|
|
updateTimer = null;
|
|
};
|
|
var onPopupReady = function() {
|
|
var win = this.contentWindow;
|
|
|
|
if ( !win || win.location.host !== location.host ) {
|
|
return;
|
|
}
|
|
|
|
new win.MutationObserver(delayedResize).observe(win.document.body, {
|
|
attributes: true,
|
|
characterData: true,
|
|
subtree: true
|
|
});
|
|
|
|
delayedResize();
|
|
};
|
|
|
|
iframe.addEventListener('load', onPopupReady, true);
|
|
|
|
doc.defaultView.QueryInterface(Ci.nsIInterfaceRequestor)
|
|
.getInterface(Ci.nsIDOMWindowUtils)
|
|
.loadSheet(this.styleURI, 1);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.toolbarButton.onCreated = function(button) {
|
|
var platformVersion = Services.appinfo.platformVersion;
|
|
|
|
if ( Services.vc.compare(platformVersion, '36.0') < 0 ) {
|
|
return;
|
|
}
|
|
|
|
button.setAttribute('badge', '');
|
|
button.classList.add('badged-button');
|
|
|
|
setTimeout(function() {
|
|
var badge = button.ownerDocument.getAnonymousElementByAttribute(
|
|
button,
|
|
'class',
|
|
'toolbarbutton-badge'
|
|
);
|
|
|
|
if ( !badge ) {
|
|
return;
|
|
}
|
|
|
|
badge.style.cssText = [
|
|
'position: absolute;',
|
|
'bottom: 0;',
|
|
'right: 0;',
|
|
'padding: 1px;',
|
|
'background: #666;',
|
|
'color: #fff;',
|
|
'font-size: 9px;',
|
|
'font-weight: bold;'
|
|
].join('');
|
|
}, 1000);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.toolbarButton.onViewShowing = function({target}) {
|
|
target.firstChild.setAttribute('src', vAPI.getURL('popup.html'));
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.toolbarButton.onViewHiding = function({target}) {
|
|
target.parentNode.style.maxWidth = '';
|
|
target.firstChild.setAttribute('src', 'about:blank');
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.toolbarButton.init();
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu = {
|
|
contextMap: {
|
|
frame: 'inFrame',
|
|
link: 'onLink',
|
|
image: 'onImage',
|
|
audio: 'onAudio',
|
|
video: 'onVideo',
|
|
editable: 'onEditableArea'
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu.displayMenuItem = function(e) {
|
|
var doc = e.target.ownerDocument;
|
|
var gContextMenu = doc.defaultView.gContextMenu;
|
|
|
|
if ( !gContextMenu.browser ) {
|
|
return;
|
|
}
|
|
|
|
var menuitem = doc.getElementById(vAPI.contextMenu.menuItemId);
|
|
var currentURI = gContextMenu.browser.currentURI;
|
|
|
|
// https://github.com/gorhill/uBlock/issues/105
|
|
// TODO: Should the element picker works on any kind of pages?
|
|
if ( !currentURI.schemeIs('http') && !currentURI.schemeIs('https') ) {
|
|
menuitem.hidden = true;
|
|
return;
|
|
}
|
|
|
|
var ctx = vAPI.contextMenu.contexts;
|
|
|
|
if ( !ctx ) {
|
|
menuitem.hidden = false;
|
|
return;
|
|
}
|
|
|
|
var ctxMap = vAPI.contextMenu.contextMap;
|
|
|
|
for ( var context of ctx ) {
|
|
if ( context === 'page' && !gContextMenu.onLink && !gContextMenu.onImage
|
|
&& !gContextMenu.onEditableArea && !gContextMenu.inFrame
|
|
&& !gContextMenu.onVideo && !gContextMenu.onAudio ) {
|
|
menuitem.hidden = false;
|
|
return;
|
|
}
|
|
|
|
if ( gContextMenu[ctxMap[context]] ) {
|
|
menuitem.hidden = false;
|
|
return;
|
|
}
|
|
}
|
|
|
|
menuitem.hidden = true;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu.register = function(doc) {
|
|
if ( !this.menuItemId ) {
|
|
return;
|
|
}
|
|
|
|
var contextMenu = doc.getElementById('contentAreaContextMenu');
|
|
var menuitem = doc.createElement('menuitem');
|
|
|
|
menuitem.setAttribute('id', this.menuItemId);
|
|
menuitem.setAttribute('label', this.menuLabel);
|
|
menuitem.setAttribute('image', vAPI.getURL('img/browsericons/icon16.svg'));
|
|
menuitem.setAttribute('class', 'menuitem-iconic');
|
|
|
|
menuitem.addEventListener('command', this.onCommand);
|
|
contextMenu.addEventListener('popupshowing', this.displayMenuItem);
|
|
|
|
contextMenu.insertBefore(menuitem, doc.getElementById('inspect-separator'));
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu.unregister = function(doc) {
|
|
if ( !this.menuItemId ) {
|
|
return;
|
|
}
|
|
|
|
var menuitem = doc.getElementById(this.menuItemId);
|
|
var contextMenu = menuitem.parentNode;
|
|
|
|
menuitem.removeEventListener('command', this.onCommand);
|
|
contextMenu.removeEventListener('popupshowing', this.displayMenuItem);
|
|
contextMenu.removeChild(menuitem);
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu.create = function(details, callback) {
|
|
this.menuItemId = details.id;
|
|
this.menuLabel = details.title;
|
|
this.contexts = details.contexts;
|
|
|
|
if ( Array.isArray(this.contexts) && this.contexts.length ) {
|
|
this.contexts = this.contexts.indexOf('all') === -1 ? this.contexts : null;
|
|
} else {
|
|
// default in Chrome
|
|
this.contexts = ['page'];
|
|
}
|
|
|
|
this.onCommand = function() {
|
|
var gContextMenu = this.ownerDocument.defaultView.gContextMenu;
|
|
var details = {
|
|
menuItemId: this.id
|
|
};
|
|
|
|
if ( gContextMenu.inFrame ) {
|
|
details.tagName = 'iframe';
|
|
details.frameUrl = gContextMenu.focusedWindow.location.href;
|
|
} else if ( gContextMenu.onImage ) {
|
|
details.tagName = 'img';
|
|
details.srcUrl = gContextMenu.mediaURL;
|
|
} else if ( gContextMenu.onAudio ) {
|
|
details.tagName = 'audio';
|
|
details.srcUrl = gContextMenu.mediaURL;
|
|
} else if ( gContextMenu.onVideo ) {
|
|
details.tagName = 'video';
|
|
details.srcUrl = gContextMenu.mediaURL;
|
|
} else if ( gContextMenu.onLink ) {
|
|
details.tagName = 'a';
|
|
details.linkUrl = gContextMenu.linkURL;
|
|
}
|
|
|
|
callback(details, {
|
|
id: vAPI.tabs.getTabId(gContextMenu.browser),
|
|
url: gContextMenu.browser.currentURI.asciiSpec
|
|
});
|
|
};
|
|
|
|
for ( var win of vAPI.tabs.getWindows() ) {
|
|
this.register(win.document);
|
|
}
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.contextMenu.remove = function() {
|
|
for ( var win of vAPI.tabs.getWindows() ) {
|
|
this.unregister(win.document);
|
|
}
|
|
|
|
this.menuItemId = null;
|
|
this.menuLabel = null;
|
|
this.contexts = null;
|
|
this.onCommand = null;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
vAPI.lastError = function() {
|
|
return null;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// This is called only once, when everything has been loaded in memory after
|
|
// the extension was launched. It can be used to inject content scripts
|
|
// in already opened web pages, to remove whatever nuisance could make it to
|
|
// the web pages before uBlock was ready.
|
|
|
|
vAPI.onLoadAllCompleted = function() {};
|
|
|
|
/******************************************************************************/
|
|
|
|
// Likelihood is that we do not have to punycode: given punycode overhead,
|
|
// it's faster to check and skip than do it unconditionally all the time.
|
|
|
|
var punycodeHostname = punycode.toASCII;
|
|
var isNotASCII = /[^\x21-\x7F]/;
|
|
|
|
vAPI.punycodeHostname = function(hostname) {
|
|
return isNotASCII.test(hostname) ? punycodeHostname(hostname) : hostname;
|
|
};
|
|
|
|
vAPI.punycodeURL = function(url) {
|
|
if ( isNotASCII.test(url) ) {
|
|
return Services.io.newURI(url, null, null).asciiSpec;
|
|
}
|
|
return url;
|
|
};
|
|
|
|
/******************************************************************************/
|
|
|
|
// clean up when the extension is disabled
|
|
|
|
window.addEventListener('unload', function() {
|
|
for ( var cleanup of cleanupTasks ) {
|
|
cleanup();
|
|
}
|
|
|
|
// frameModule needs to be cleared too
|
|
var frameModule = {};
|
|
Cu.import(vAPI.getURL('frameModule.js'), frameModule);
|
|
frameModule.contentObserver.unregister();
|
|
Cu.unload(vAPI.getURL('frameModule.js'));
|
|
});
|
|
|
|
/******************************************************************************/
|
|
|
|
})();
|
|
|
|
/******************************************************************************/
|