1 files changed, 47 insertions, 0 deletions
diff --git a/comm/mail/components/activity/ActivityManagerUI.jsm b/comm/mail/components/activity/ActivityManagerUI.jsm
new file mode 100644
index 0000000000..b36b9b5a72
--- /dev/null
+++ b/comm/mail/components/activity/ActivityManagerUI.jsm
@@ -0,0 +1,47 @@
+/* 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 EXPORTED_SYMBOLS = ["ActivityManagerUI"];
+
+const ACTIVITY_MANAGER_URL = "chrome://messenger/content/activity.xhtml";
+
+function ActivityManagerUI() {}
+
+ActivityManagerUI.prototype = {
+  show(aWindowContext, aID) {
+    // First we see if it is already visible
+    let window = this.recentWindow;
+    if (window) {
+      window.focus();
+      return;
+    }
+
+    let parent = null;
+    try {
+      if (aWindowContext) {
+        parent = aWindowContext.docShell.domWindow;
+      }
+    } catch (e) {
+      /* it's OK to not have a parent window */
+    }
+
+    Services.ww.openWindow(
+      parent,
+      ACTIVITY_MANAGER_URL,
+      "ActivityManager",
+      "chrome,dialog=no,resizable",
+      {}
+    );
+  },
+
+  get visible() {
+    return null != this.recentWindow;
+  },
+
+  get recentWindow() {
+    return Services.wm.getMostRecentWindow("Activity:Manager");
+  },
+
+  QueryInterface: ChromeUtils.generateQI(["nsIActivityManagerUI"]),
+};