Source code
Revision control
Copy as Markdown
Other Tools
/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
/* 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
/* import-globals-from /browser/base/content/utilityOverlay.js */
/* import-globals-from /toolkit/mozapps/preferences/fontbuilder.js */
// browser.display.languageList LOCK ALL when LOCKED
const kDefaultFontType = "font.default.%LANG%";
const kFontNameFmtSerif = "font.name.serif.%LANG%";
const kFontNameFmtSansSerif = "font.name.sans-serif.%LANG%";
const kFontNameFmtMonospace = "font.name.monospace.%LANG%";
const kFontNameListFmtSerif = "font.name-list.serif.%LANG%";
const kFontNameListFmtSansSerif = "font.name-list.sans-serif.%LANG%";
const kFontNameListFmtMonospace = "font.name-list.monospace.%LANG%";
const kFontSizeFmtVariable = "font.size.variable.%LANG%";
const kFontSizeFmtFixed = "font.size.monospace.%LANG%";
const kFontMinSizeFmt = "font.minimum-size.%LANG%";
document
.getElementById("FontsDialog")
.addEventListener("dialoghelp", window.top.openPrefsHelp);
window.addEventListener("load", () => gFontsDialog.onLoad());
Preferences.addAll([
{ id: "font.language.group", type: "wstring" },
{ id: "browser.display.use_document_fonts", type: "int" },
]);
var gFontsDialog = {
_selectLanguageGroupPromise: Promise.resolve(),
onLoad() {
Preferences.addSyncFromPrefListener(
document.getElementById("selectLangs"),
() => this.readFontLanguageGroup()
);
Preferences.addSyncFromPrefListener(
document.getElementById("useDocumentFonts"),
() => this.readUseDocumentFonts()
);
Preferences.addSyncToPrefListener(
document.getElementById("useDocumentFonts"),
() => this.writeUseDocumentFonts()
);
for (let id of ["serif", "sans-serif", "monospace"]) {
let el = document.getElementById(id);
Preferences.addSyncFromPrefListener(el, () =>
FontBuilder.readFontSelection(el)
);
}
},
_selectLanguageGroup(aLanguageGroup) {
this._selectLanguageGroupPromise = (async () => {
// Avoid overlapping language group selections by awaiting the resolution
// of the previous one. We do this because this function is re-entrant,
// as inserting <preference> elements into the DOM sometimes triggers a call
// back into this function. And since this function is also asynchronous,
// that call can enter this function before the previous run has completed,
// which would corrupt the font menulists. Awaiting the previous call's
// resolution avoids that fate.
await this._selectLanguageGroupPromise;
var prefs = [
{
format: kDefaultFontType,
type: "string",
element: "defaultFontType",
fonttype: null,
},
{
format: kFontNameFmtSerif,
type: "fontname",
element: "serif",
fonttype: "serif",
},
{
format: kFontNameFmtSansSerif,
type: "fontname",
element: "sans-serif",
fonttype: "sans-serif",
},
{
format: kFontNameFmtMonospace,
type: "fontname",
element: "monospace",
fonttype: "monospace",
},
{
format: kFontNameListFmtSerif,
type: "unichar",
element: null,
fonttype: "serif",
},
{
format: kFontNameListFmtSansSerif,
type: "unichar",
element: null,
fonttype: "sans-serif",
},
{
format: kFontNameListFmtMonospace,
type: "unichar",
element: null,
fonttype: "monospace",
},
{
format: kFontSizeFmtVariable,
type: "int",
element: "sizeVar",
fonttype: null,
},
{
format: kFontSizeFmtFixed,
type: "int",
element: "sizeMono",
fonttype: null,
},
{
format: kFontMinSizeFmt,
type: "int",
element: "minSize",
fonttype: null,
},
];
for (var i = 0; i < prefs.length; ++i) {
var name = prefs[i].format.replace(/%LANG%/, aLanguageGroup);
var preference = Preferences.get(name);
if (!preference) {
preference = Preferences.add({ id: name, type: prefs[i].type });
}
if (!prefs[i].element) {
continue;
}
var element = document.getElementById(prefs[i].element);
if (element) {
element.setAttribute("preference", preference.id);
if (prefs[i].fonttype) {
await FontBuilder.buildFontList(
aLanguageGroup,
prefs[i].fonttype,
element
);
}
preference.setElementValue(element);
}
}
})().catch(console.error);
},
readFontLanguageGroup() {
var languagePref = Preferences.get("font.language.group");
this._selectLanguageGroup(languagePref.value);
return undefined;
},
readUseDocumentFonts() {
var preference = Preferences.get("browser.display.use_document_fonts");
return preference.value == 1;
},
writeUseDocumentFonts() {
var useDocumentFonts = document.getElementById("useDocumentFonts");
return useDocumentFonts.checked ? 1 : 0;
},
};