1 files changed, 60 insertions, 0 deletions
diff --git a/browser/components/preferences/dialogs/syncChooseWhatToSync.js b/browser/components/preferences/dialogs/syncChooseWhatToSync.js
new file mode 100644
index 0000000000..d1f468233a
--- /dev/null
+++ b/browser/components/preferences/dialogs/syncChooseWhatToSync.js
@@ -0,0 +1,60 @@
+/* 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 /toolkit/content/preferencesBindings.js */
+
+Preferences.addAll([
+  { id: "services.sync.engine.addons", type: "bool" },
+  { id: "services.sync.engine.bookmarks", type: "bool" },
+  { id: "services.sync.engine.history", type: "bool" },
+  { id: "services.sync.engine.tabs", type: "bool" },
+  { id: "services.sync.engine.prefs", type: "bool" },
+  { id: "services.sync.engine.passwords", type: "bool" },
+  { id: "services.sync.engine.addresses", type: "bool" },
+  { id: "services.sync.engine.creditcards", type: "bool" },
+]);
+
+let gSyncChooseWhatToSync = {
+  init() {
+    this._adjustForPrefs();
+    let options = window.arguments[0];
+    if (options.disconnectFun) {
+      // We offer 'disconnect'
+      document.addEventListener("dialogextra2", function() {
+        options.disconnectFun().then(disconnected => {
+          if (disconnected) {
+            window.close();
+          }
+        });
+      });
+    } else {
+      // no "disconnect" - hide the button.
+      document
+        .getElementById("syncChooseOptions")
+        .getButton("extra2").hidden = true;
+    }
+  },
+
+  // make whatever tweaks we need based on preferences.
+  _adjustForPrefs() {
+    // These 2 engines are unique in that there are prefs that make the
+    // entire engine unavailable (which is distinct from "disabled").
+    let enginePrefs = [
+      ["services.sync.engine.addresses", ".sync-engine-addresses"],
+      ["services.sync.engine.creditcards", ".sync-engine-creditcards"],
+    ];
+    for (let [enabledPref, className] of enginePrefs) {
+      let availablePref = enabledPref + ".available";
+      // If the engine is enabled we force it to be available, otherwise we see
+      // spooky things happen (like it magically re-appear later)
+      if (Services.prefs.getBoolPref(enabledPref, false)) {
+        Services.prefs.setBoolPref(availablePref, true);
+      }
+      if (!Services.prefs.getBoolPref(availablePref)) {
+        let elt = document.querySelector(className);
+        elt.hidden = true;
+      }
+    }
+  },
+};