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-rw-r--r--toolkit/content/widgets/stringbundle.js73
1 files changed, 73 insertions, 0 deletions
diff --git a/toolkit/content/widgets/stringbundle.js b/toolkit/content/widgets/stringbundle.js
new file mode 100644
index 0000000000..9a19ffc47f
--- /dev/null
+++ b/toolkit/content/widgets/stringbundle.js
@@ -0,0 +1,73 @@
+/* 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/. */
+
+"use strict";
+
+// This is loaded into chrome windows with the subscript loader. Wrap in
+// a block to prevent accidentally leaking globals onto `window`.
+{
+ class MozStringbundle extends MozXULElement {
+ get stringBundle() {
+ if (!this._bundle) {
+ try {
+ this._bundle = Services.strings.createBundle(this.src);
+ } catch (e) {
+ dump("Failed to get stringbundle:\n");
+ dump(e + "\n");
+ }
+ }
+ return this._bundle;
+ }
+
+ set src(val) {
+ this._bundle = null;
+ this.setAttribute("src", val);
+ }
+
+ get src() {
+ return this.getAttribute("src");
+ }
+
+ get strings() {
+ // Note: this is a sucky method name! Should be:
+ // readonly attribute nsISimpleEnumerator strings;
+ return this.stringBundle.getSimpleEnumeration();
+ }
+
+ getString(aStringKey) {
+ try {
+ return this.stringBundle.GetStringFromName(aStringKey);
+ } catch (e) {
+ dump(
+ "*** Failed to get string " +
+ aStringKey +
+ " in bundle: " +
+ this.src +
+ "\n"
+ );
+ throw e;
+ }
+ }
+
+ getFormattedString(aStringKey, aStringsArray) {
+ try {
+ return this.stringBundle.formatStringFromName(
+ aStringKey,
+ aStringsArray
+ );
+ } catch (e) {
+ dump(
+ "*** Failed to format string " +
+ aStringKey +
+ " in bundle: " +
+ this.src +
+ "\n"
+ );
+ throw e;
+ }
+ }
+ }
+
+ customElements.define("stringbundle", MozStringbundle);
+}