Add a helper helper so we can get click events on message list menu items

src/com/fsck/k9/helper/MenuPopup.java

@@ -0,0 +1,33 @@
+
+package com.fsck.k9.helper;
+
+import android.content.Context;
+import android.view.View;
+import android.widget.AdapterView;
+import com.actionbarsherlock.internal.view.menu.MenuBuilder;
+import com.actionbarsherlock.internal.view.menu.MenuPopupHelper;
+public class MenuPopup extends MenuPopupHelper {
+
+    OnMenuItemClickListener onMenuItemClickListener;
+
+    public MenuPopup(Context context, MenuBuilder menu, View anchorView) {
+        super(context, menu, anchorView);
+    }
+
+    public void setOnMenuItemClickListener(
+            OnMenuItemClickListener onMenuItemClickListener) {
+        this.onMenuItemClickListener = onMenuItemClickListener;
+    }
+
+    @Override
+    public void onItemClick(AdapterView<?> parent, View view, int position,
+            long id) {
+        super.onItemClick(parent, view, position, id);
+        if (onMenuItemClickListener != null)
+            onMenuItemClickListener.onMenuItemClick(position);
+    }
+
+    public interface OnMenuItemClickListener{
+        public void onMenuItemClick(int itemID);
+    }
+}