+static gboolean _selected_folder_is_any_of_type (ModestWindow *win, TnyFolderType types[], guint ntypes);
+static gboolean _msg_download_in_progress (ModestWindow *win);
+static gboolean _selected_msg_sent_in_progress (ModestWindow *win);
+static gboolean _invalid_folder_for_purge (ModestWindow *win, ModestDimmingRule *rule);
+static gboolean _transfer_mode_enabled (ModestWindow *win);
+static void fill_list_of_caches (gpointer key, gpointer value, gpointer userdata);
+static gboolean _send_receive_in_progress (ModestWindow *win);
+static gboolean _msgs_send_in_progress (void);
+static gboolean _all_msgs_in_sending_status (ModestHeaderView *header_view) G_GNUC_UNUSED;
+static gboolean _forbid_outgoing_xfers (ModestWindow *window);
+
+#ifndef MODEST_TOOLKIT_HILDON2
+static gboolean _folder_is_any_of_type (TnyFolder *folder, TnyFolderType types[], guint ntypes);
+static gboolean _clipboard_is_empty (ModestWindow *win);
+static gboolean _invalid_msg_selected (ModestMainWindow *win, gboolean unique, ModestDimmingRule *rule);