1 files changed, 54 insertions, 0 deletions
diff --git a/comm/mail/base/content/compactFoldersDialog.js b/comm/mail/base/content/compactFoldersDialog.js
new file mode 100644
index 0000000000..b0ac027266
--- /dev/null
+++ b/comm/mail/base/content/compactFoldersDialog.js
@@ -0,0 +1,54 @@
+/* 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/. */
+
+var propBag, args;
+
+document.addEventListener("DOMContentLoaded", compactDialogOnDOMContentLoaded);
+// Bug 1720540: Call sizeToContent only after the entire window has been loaded,
+// including the shadow DOM and the updated fluent strings.
+window.addEventListener("load", window.sizeToContent);
+
+function compactDialogOnDOMContentLoaded() {
+  propBag = window.arguments[0]
+    .QueryInterface(Ci.nsIWritablePropertyBag2)
+    .QueryInterface(Ci.nsIWritablePropertyBag);
+
+  // Convert to a JS object.
+  args = {};
+  for (let prop of propBag.enumerator) {
+    args[prop.name] = prop.value;
+  }
+
+  // We're deliberately adding the data-l10n-args attribute synchronously to
+  // avoid race issues for window.sizeToContent later on.
+  document
+    .getElementById("compactFoldersText")
+    .setAttribute("data-l10n-args", JSON.stringify({ data: args.compactSize }));
+
+  document.addEventListener("dialogaccept", function () {
+    args.buttonNumClicked = 0;
+    args.checked = document.getElementById("neverAskCheckbox").checked;
+  });
+
+  document.addEventListener("dialogcancel", function () {
+    args.buttonNumClicked = 1;
+  });
+
+  document.addEventListener("dialogextra1", function () {
+    // Open the support article URL and leave the dialog open.
+    let uri = Services.io.newURI(
+      "https://support.mozilla.org/kb/compacting-folders"
+    );
+    Cc["@mozilla.org/uriloader/external-protocol-service;1"]
+      .getService(Ci.nsIExternalProtocolService)
+      .loadURI(uri);
+  });
+}
+
+function compactDialogOnUnload() {
+  // Convert args back into property bag.
+  for (let propName in args) {
+    propBag.setProperty(propName, args[propName]);
+  }
+}