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Unified Diff: chrome/content/ui/i18n.js

Issue 10585038: First-run page (revisited) (Closed)
Patch Set: Merged with existing version; i18n Created May 23, 2013, 9:09 a.m.
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Index: chrome/content/ui/i18n.js
===================================================================
new file mode 100644
--- /dev/null
+++ b/chrome/content/ui/i18n.js
@@ -0,0 +1,114 @@
+/*
+ * This file is part of Adblock Plus <http://adblockplus.org/>,
+ * Copyright (C) 2006-2013 Eyeo GmbH
+ *
+ * Adblock Plus is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 3 as
+ * published by the Free Software Foundation.
+ *
+ * Adblock Plus 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 Adblock Plus. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+var i18n;
+if (typeof chrome != "undefined")
+{
+ i18n = chrome.i18n;
+}
+else
+{
+ // Randomize URI to work around bug 719376
+ var stringBundle = Services.strings.createBundle("chrome://" + require("info").addonName + "/locale/firstRun.properties?" + Math.random());
+ function getI18nMessage(key)
+ {
+ return {
+ "message": stringBundle.GetStringFromName(key)
+ };
+ }
+
+ i18n = (function()
+ {
+ function getText(message, args)
+ {
+ var text = message.message;
+ var placeholders = message.placeholders;
+
+ if (!args || !placeholders)
+ return text;
+
+ for (var key in placeholders)
+ {
+ var content = placeholders[key].content;
+ if (!content)
+ continue;
+
+ var index = parseInt(content.slice(1), 10);
+ if (isNaN(index))
+ continue;
+
+ var replacement = args[index - 1];
+ if (typeof replacement === "undefined")
+ continue;
+
+ text = text.split("$" + key + "$").join(replacement);
+ }
+ return text;
+ }
+
+ return {
+ getMessage: function(key, args)
+ {
+ var message = getI18nMessage(key);
+ if (!message)
+ return "Missing translation: " + key;
+ return getText(message, args);
+ }
+ };
+ })();
+}
+
+// Loads and inserts i18n strings into matching elements. Any inner HTML already in the
+// element is parsed as JSON and used as parameters to substitute into placeholders in the
+// i18n message.
+function loadI18nStrings()
+{
+ var nodes = document.querySelectorAll("[class^='i18n_']");
+ for(var i = 0; i < nodes.length; i++)
+ {
+ var arguments = JSON.parse("[" + nodes[i].textContent + "]");
+ var className = nodes[i].className;
+ if (className instanceof SVGAnimatedString)
+ className = className.animVal;
+ var stringName = className.split(/\s/)[0].substring(5);
+ var prop = "innerHTML" in nodes[i] ? "innerHTML" : "textContent";
+ if(arguments.length > 0)
+ nodes[i][prop] = i18n.getMessage(stringName, arguments);
+ else
+ nodes[i][prop] = i18n.getMessage(stringName);
+ }
+}
+
+// Provides a more readable string of the current date and time
+function i18n_timeDateStrings(when)
+{
+ var d = new Date(when);
+ var timeString = d.toLocaleTimeString();
+
+ var now = new Date();
+ if (d.toDateString() == now.toDateString())
+ return [timeString];
+ else
+ return [timeString, d.toLocaleDateString()];
+}
+
+// Fill in the strings as soon as possible
+// Script could be injected after DOMContentLoaded fired
+if (document.readyState)
+ loadI18nStrings();
+else
+ window.addEventListener("DOMContentLoaded", loadI18nStrings, true);
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