Revision control
Copy as Markdown
Other Tools
/* 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
// The menulist CE is defined lazily. Create one now to get menulist defined,
// allowing us to inherit from it.
if (!customElements.get("menulist")) {
delete document.createXULElement("menulist");
}
// Wrap in a block to prevent leaking to window scope.
{
/**
* MozMenulistCharsetpicker is a menulist widget that is automatically
* populated with charset selections.
*
* @augments {MozMenuList}
*/
class MozMenulistCharsetpickerViewing extends customElements.get("menulist") {
/**
* Get the charset values to show in the list.
*
* @abstract
* @returns {string[]} an array of character encoding names
*/
get charsetValues() {
return [
"UTF-8",
"Big5",
"EUC-KR",
"gbk",
"KOI8-R",
"ISO-2022-JP",
"ISO-8859-1",
"ISO-8859-2",
"ISO-8859-7",
"windows-874",
"windows-1250",
"windows-1251",
"windows-1252",
"windows-1255",
"windows-1256",
"windows-1257",
"windows-1258",
];
}
connectedCallback() {
super.connectedCallback();
if (this.delayConnectedCallback()) {
return;
}
if (this.menupopup) {
return;
}
const charsetBundle = Services.strings.createBundle(
);
this.charsetValues
.map(item => {
const strCharset = charsetBundle.GetStringFromName(
item.toLowerCase() + ".title"
);
return { label: strCharset, value: item };
})
.sort((a, b) => {
if (a.value == "UTF-8" || a.label < b.label) {
return -1;
} else if (b.value == "UTF-8" || a.label > b.label) {
return 1;
}
return 0;
})
.forEach(item => {
this.appendItem(item.label, item.value);
});
}
}
customElements.define(
"menulist-charsetpicker-viewing",
MozMenulistCharsetpickerViewing,
{ extends: "menulist" }
);
}