1 files changed, 128 insertions, 0 deletions
diff --git a/src/js/whitelist.js b/src/js/whitelist.js
new file mode 100644
index 0000000..b23b261
--- /dev/null
+++ b/src/js/whitelist.js
@@ -0,0 +1,128 @@
+/*******************************************************************************
+
+    µBlock - a Chromium browser extension to block requests.
+    Copyright (C) 2014 Raymond Hill
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see {http://www.gnu.org/licenses/}.
+
+    Home: https://github.com/gorhill/uBlock
+*/
+
+/* global chrome, vAPI, uDom */
+
+/******************************************************************************/
+
+(function() {
+
+/******************************************************************************/
+
+var messager = vAPI.messaging.channel('whitelist.js');
+
+/******************************************************************************/
+
+var cachedWhitelist = '';
+
+// Could make it more fancy if needed. But speed... It's a compromise.
+var reUnwantedChars = /[\x00-\x09\x0b\x0c\x0e-\x1f!"#$'()<>{}|\\^\[\]`~]/;
+
+/******************************************************************************/
+
+var whitelistChanged = function() {
+    var s = uDom('#whitelist').val().trim();
+    var bad = reUnwantedChars.test(s);
+    uDom('#whitelistApply').prop(
+        'disabled',
+        s === cachedWhitelist || bad
+    );
+    uDom('#whitelist').toggleClass('bad', bad);
+};
+
+/******************************************************************************/
+
+var renderWhitelist = function() {
+    var onRead = function(whitelist) {
+        cachedWhitelist = whitelist;
+        uDom('#whitelist').val(cachedWhitelist);
+    };
+    messager.send({ what: 'getWhitelist' }, onRead);
+};
+
+/******************************************************************************/
+
+var handleImportFilePicker = function() {
+    var fileReaderOnLoadHandler = function() {
+        var textarea = uDom('#whitelist');
+        textarea.val([textarea.val(), this.result].join('\n').trim());
+        whitelistChanged();
+    };
+    var file = this.files[0];
+    if ( file === undefined || file.name === '' ) {
+        return;
+    }
+    if ( file.type.indexOf('text') !== 0 ) {
+        return;
+    }
+    var fr = new FileReader();
+    fr.onload = fileReaderOnLoadHandler;
+    fr.readAsText(file);
+};
+
+/******************************************************************************/
+
+var startImportFilePicker = function() {
+    var input = document.getElementById('importFilePicker');
+    // Reset to empty string, this will ensure an change event is properly
+    // triggered if the user pick a file, even if it is the same as the last
+    // one picked.
+    input.value = '';
+    input.click();
+};
+
+/******************************************************************************/
+
+var exportWhitelistToFile = function() {
+    chrome.downloads.download({
+        'url': 'data:text/plain,' + encodeURIComponent(uDom('#whitelist').val()),
+        'filename': 'my-ublock-whitelist.txt',
+        'saveAs': true
+    });
+};
+
+/******************************************************************************/
+
+var whitelistApplyHandler = function() {
+    cachedWhitelist = uDom('#whitelist').val().trim();
+    var request = {
+        what: 'setWhitelist',
+        whitelist: cachedWhitelist
+    };
+    messager.send(request);
+    whitelistChanged();
+};
+
+/******************************************************************************/
+
+uDom.onLoad(function() {
+    uDom('#importWhitelistFromFile').on('click', startImportFilePicker);
+    uDom('#importFilePicker').on('change', handleImportFilePicker);
+    uDom('#exportWhitelistToFile').on('click', exportWhitelistToFile);
+    uDom('#whitelist').on('input', whitelistChanged);
+    uDom('#whitelistApply').on('click', whitelistApplyHandler);
+
+    renderWhitelist();
+});
+
+/******************************************************************************/
+
+})();