1 files changed, 173 insertions, 0 deletions
diff --git a/browser/components/preferences/dialogs/fonts.js b/browser/components/preferences/dialogs/fonts.js
new file mode 100644
index 0000000000..ccc2f8faca
--- /dev/null
+++ b/browser/components/preferences/dialogs/fonts.js
@@ -0,0 +1,173 @@
+/* -*- 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
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* 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;
+  },
+};