зеркало из https://github.com/mozilla/gecko-dev.git
175 строки
5.3 KiB
JavaScript
175 строки
5.3 KiB
JavaScript
/* -*- indent-tabs-mode: nil; js-indent-level: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/* import-globals-from ../../../toolkit/mozapps/preferences/fontbuilder.js */
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// browser.display.languageList LOCK ALL when LOCKED
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const kDefaultFontType = "font.default.%LANG%";
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const kFontNameFmtSerif = "font.name.serif.%LANG%";
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const kFontNameFmtSansSerif = "font.name.sans-serif.%LANG%";
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const kFontNameFmtMonospace = "font.name.monospace.%LANG%";
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const kFontNameListFmtSerif = "font.name-list.serif.%LANG%";
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const kFontNameListFmtSansSerif = "font.name-list.sans-serif.%LANG%";
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const kFontNameListFmtMonospace = "font.name-list.monospace.%LANG%";
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const kFontSizeFmtVariable = "font.size.variable.%LANG%";
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const kFontSizeFmtFixed = "font.size.monospace.%LANG%";
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const kFontMinSizeFmt = "font.minimum-size.%LANG%";
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document.documentElement.addEventListener(
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"dialoghelp",
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window.top.openPrefsHelp
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);
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window.addEventListener("load", () => gFontsDialog.onLoad());
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Preferences.addAll([
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{ id: "font.language.group", type: "wstring" },
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{ id: "browser.display.use_document_fonts", type: "int" },
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{ id: "intl.charset.fallback.override", type: "string" },
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]);
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var gFontsDialog = {
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_selectLanguageGroupPromise: Promise.resolve(),
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onLoad() {
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Preferences.addSyncFromPrefListener(
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document.getElementById("selectLangs"),
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() => this.readFontLanguageGroup()
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);
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Preferences.addSyncFromPrefListener(
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document.getElementById("useDocumentFonts"),
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() => this.readUseDocumentFonts()
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);
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Preferences.addSyncToPrefListener(
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document.getElementById("useDocumentFonts"),
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() => this.writeUseDocumentFonts()
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);
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for (let id of ["serif", "sans-serif", "monospace"]) {
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let el = document.getElementById(id);
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Preferences.addSyncFromPrefListener(el, () =>
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FontBuilder.readFontSelection(el)
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);
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}
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},
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_selectLanguageGroup(aLanguageGroup) {
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this._selectLanguageGroupPromise = (async () => {
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// Avoid overlapping language group selections by awaiting the resolution
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// of the previous one. We do this because this function is re-entrant,
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// as inserting <preference> elements into the DOM sometimes triggers a call
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// back into this function. And since this function is also asynchronous,
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// that call can enter this function before the previous run has completed,
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// which would corrupt the font menulists. Awaiting the previous call's
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// resolution avoids that fate.
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await this._selectLanguageGroupPromise;
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var prefs = [
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{
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format: kDefaultFontType,
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type: "string",
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element: "defaultFontType",
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fonttype: null,
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},
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{
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format: kFontNameFmtSerif,
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type: "fontname",
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element: "serif",
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fonttype: "serif",
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},
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{
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format: kFontNameFmtSansSerif,
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type: "fontname",
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element: "sans-serif",
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fonttype: "sans-serif",
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},
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{
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format: kFontNameFmtMonospace,
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type: "fontname",
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element: "monospace",
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fonttype: "monospace",
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},
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{
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format: kFontNameListFmtSerif,
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type: "unichar",
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element: null,
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fonttype: "serif",
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},
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{
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format: kFontNameListFmtSansSerif,
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type: "unichar",
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element: null,
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fonttype: "sans-serif",
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},
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{
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format: kFontNameListFmtMonospace,
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type: "unichar",
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element: null,
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fonttype: "monospace",
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},
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{
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format: kFontSizeFmtVariable,
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type: "int",
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element: "sizeVar",
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fonttype: null,
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},
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{
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format: kFontSizeFmtFixed,
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type: "int",
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element: "sizeMono",
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fonttype: null,
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},
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{
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format: kFontMinSizeFmt,
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type: "int",
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element: "minSize",
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fonttype: null,
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},
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];
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for (var i = 0; i < prefs.length; ++i) {
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var name = prefs[i].format.replace(/%LANG%/, aLanguageGroup);
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var preference = Preferences.get(name);
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if (!preference) {
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preference = Preferences.add({ id: name, type: prefs[i].type });
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}
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if (!prefs[i].element) {
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continue;
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}
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var element = document.getElementById(prefs[i].element);
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if (element) {
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element.setAttribute("preference", preference.id);
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if (prefs[i].fonttype) {
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await FontBuilder.buildFontList(
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aLanguageGroup,
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prefs[i].fonttype,
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element
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);
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}
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preference.setElementValue(element);
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}
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}
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})().catch(Cu.reportError);
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},
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readFontLanguageGroup() {
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var languagePref = Preferences.get("font.language.group");
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this._selectLanguageGroup(languagePref.value);
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return undefined;
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},
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readUseDocumentFonts() {
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var preference = Preferences.get("browser.display.use_document_fonts");
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return preference.value == 1;
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},
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writeUseDocumentFonts() {
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var useDocumentFonts = document.getElementById("useDocumentFonts");
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return useDocumentFonts.checked ? 1 : 0;
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},
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};
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