1 files changed, 77 insertions, 0 deletions
diff --git a/comm/calendar/base/src/CalTimezone.jsm b/comm/calendar/base/src/CalTimezone.jsm
new file mode 100644
index 0000000000..094321fdb3
--- /dev/null
+++ b/comm/calendar/base/src/CalTimezone.jsm
@@ -0,0 +1,77 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+var EXPORTED_SYMBOLS = ["CalTimezone"];
+
+var { cal } = ChromeUtils.import("resource:///modules/calendar/calUtils.jsm");
+var { ICAL } = ChromeUtils.import("resource:///modules/calendar/Ical.jsm");
+var { XPCOMUtils } = ChromeUtils.importESModule("resource://gre/modules/XPCOMUtils.sys.mjs");
+
+const lazy = {};
+
+XPCOMUtils.defineLazyGetter(lazy, "l10nBundle", () => {
+  // Prepare localized timezone display values
+  const bundleURL = "chrome://calendar/locale/timezones.properties";
+  return Services.strings.createBundle(bundleURL);
+});
+
+function CalTimezone(innerObject) {
+  this.innerObject = innerObject || new ICAL.Timezone();
+  this.wrappedJSObject = this;
+}
+
+CalTimezone.prototype = {
+  QueryInterface: ChromeUtils.generateQI(["calITimezone"]),
+  classID: Components.ID("{6702eb17-a968-4b43-b562-0d0c5f8e9eb5}"),
+
+  innerObject: null,
+
+  get provider() {
+    return cal.timezoneService;
+  },
+
+  get icalComponent() {
+    let innerComp = this.innerObject.component;
+    let comp = null;
+    if (innerComp) {
+      comp = cal.icsService.createIcalComponent("VTIMEZONE");
+      comp.icalComponent = innerComp;
+    }
+    return comp;
+  },
+
+  get tzid() {
+    return this.innerObject.tzid;
+  },
+
+  get isFloating() {
+    return this.innerObject == ICAL.Timezone.localTimezone;
+  },
+
+  get isUTC() {
+    return this.innerObject == ICAL.Timezone.utcTimezone;
+  },
+
+  get displayName() {
+    // Localization is currently only used for floating/UTC until we have a
+    // better story around timezone localization and display
+    let stringName = "pref.timezone." + this.tzid.replace(/\//g, ".");
+    let displayName = this.tzid;
+
+    try {
+      displayName = lazy.l10nBundle.GetStringFromName(stringName);
+    } catch (e) {
+      // Just use the TZID if the string is missing.
+    }
+
+    this.__defineGetter__("displayName", () => {
+      return displayName;
+    });
+    return displayName;
+  },
+
+  tostring() {
+    return this.innerObject.toString();
+  },
+};