2007-07-23 Murray Cumming <murrayc@murrayc.com>
[modest] / src / modest-ui-actions.c
index 6c9dae5..67c0376 100644 (file)
@@ -49,6 +49,7 @@
 #ifdef MODEST_PLATFORM_MAEMO
 #include "maemo/modest-osso-state-saving.h"
 #include "maemo/modest-maemo-utils.h"
+#include "maemo/modest-hildon-includes.h"
 #endif /* MODEST_PLATFORM_MAEMO */
 
 #include "widgets/modest-ui-constants.h"
@@ -237,23 +238,31 @@ headers_action_mark_as_unread (TnyHeader *header,
        }
 }
 
-
-static void
-headers_action_delete (TnyHeader *header,
-                      ModestWindow *win,
-                      gpointer user_data)
+/** A convenience method, because deleting a message is 
+ * otherwise complicated, and it's best to change it in one place 
+ * when we change it.
+ */
+void modest_do_message_delete (TnyHeader *header, ModestWindow *win)
 {
        ModestMailOperation *mail_op = NULL;
-
-       mail_op = modest_mail_operation_new (MODEST_MAIL_OPERATION_TYPE_DELETE, G_OBJECT(win));
+       mail_op = modest_mail_operation_new (MODEST_MAIL_OPERATION_TYPE_DELETE, 
+               win ? G_OBJECT(win) : NULL);
        modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (),
                                         mail_op);
        
        /* Always delete. TODO: Move to trash still not supported */
        modest_mail_operation_remove_msg (mail_op, header, FALSE);
        g_object_unref (G_OBJECT (mail_op));
+}
 
-       /* refilter treemodel to hide marked-as-deleted rows */
+static void
+headers_action_delete (TnyHeader *header,
+                      ModestWindow *win,
+                      gpointer user_data)
+{
+       modest_do_message_delete (header, win);
+
+/* refilter treemodel to hide marked-as-deleted rows */
 /*     if (MODEST_IS_HEADER_VIEW (user_data)) */
 /*             modest_header_view_refilter (MODEST_HEADER_VIEW (user_data)); */
 }
@@ -306,8 +315,11 @@ modest_ui_actions_on_delete_message (GtkAction *action, ModestWindow *win)
                mgr = modest_runtime_get_window_mgr ();
                while (!tny_iterator_is_done (iter) && !found) {
                        header = TNY_HEADER (tny_iterator_get_current (iter));
-                       found =  modest_window_mgr_find_registered_header (mgr, header, NULL);
-                       g_object_unref (header);
+                       if (header) {
+                               found =  modest_window_mgr_find_registered_header (mgr, header, NULL);
+                               g_object_unref (header);
+                       }
+
                        tny_iterator_next (iter);
                }
                g_object_unref (iter);
@@ -331,8 +343,11 @@ modest_ui_actions_on_delete_message (GtkAction *action, ModestWindow *win)
        if (tny_list_get_length(header_list) == 1) {
                iter = tny_list_create_iterator (header_list);
                header = TNY_HEADER (tny_iterator_get_current (iter));
-               desc = g_strdup_printf ("%s", tny_header_get_subject (header)); 
-               g_object_unref (header);
+               if (header) {
+                       desc = g_strdup_printf ("%s", tny_header_get_subject (header)); 
+                       g_object_unref (header);
+               }
+
                g_object_unref (iter);
        }
        message = g_strdup_printf(ngettext("emev_nc_delete_message", "emev_nc_delete_messages", 
@@ -458,6 +473,7 @@ void
 modest_ui_actions_on_close_window (GtkAction *action, ModestWindow *win)
 {
        gboolean ret_value;
+
        g_signal_emit_by_name (G_OBJECT (win), "delete-event", NULL, &ret_value);
 
 /*     if (MODEST_IS_MSG_VIEW_WINDOW (win)) { */
@@ -720,9 +736,9 @@ open_msg_cb (ModestMailOperation *mail_op,
        headers_action_mark_as_read (header, MODEST_WINDOW(parent_win), NULL);
 
        /* Get account */
-       account = modest_account_mgr_get_default_account (modest_runtime_get_account_mgr());
+       account = g_strdup (modest_window_get_active_account (MODEST_WINDOW (parent_win)));
        if (!account)
-               account =  g_strdup (modest_window_get_active_account (MODEST_WINDOW (parent_win)));
+               account = modest_account_mgr_get_default_account (modest_runtime_get_account_mgr());
        
        /* Gets folder type (OUTBOX headers will be opened in edit window */
        if (modest_tny_folder_is_local_folder (folder))
@@ -832,7 +848,7 @@ _modest_ui_actions_open (TnyList *headers, ModestWindow *win)
        ModestMailOperation *mail_op2 = NULL;
        TnyList *not_opened_headers = NULL;
        TnyList *not_opened_cached_headers = NULL;
-       TnyHeaderFlags flags;
+       TnyHeaderFlags flags = 0;
                
        /* Look if we already have a message view for each header. If
           true, then remove the header from the list of headers to
@@ -843,12 +859,13 @@ _modest_ui_actions_open (TnyList *headers, ModestWindow *win)
        not_opened_cached_headers = tny_simple_list_new ();
        while (!tny_iterator_is_done (iter)) {
 
-               ModestWindow *window;
-               TnyHeader *header;
-               gboolean found;
+               ModestWindow *window = NULL;
+               TnyHeader *header = NULL;
+               gboolean found = FALSE;
                
                header = TNY_HEADER (tny_iterator_get_current (iter));
-               flags = tny_header_get_flags (header);
+               if (header)
+                       flags = tny_header_get_flags (header);
 
                window = NULL;
                found = modest_window_mgr_find_registered_header (mgr, header, &window);
@@ -870,7 +887,10 @@ _modest_ui_actions_open (TnyList *headers, ModestWindow *win)
                        else
                                tny_list_append (not_opened_cached_headers, G_OBJECT (header));
                }
-               g_object_unref (header);
+
+               if (header)
+                       g_object_unref (header);
+
                tny_iterator_next (iter);
        }
        g_object_unref (iter);
@@ -881,7 +901,7 @@ _modest_ui_actions_open (TnyList *headers, ModestWindow *win)
         * than later in a thread:
         */
        if (tny_list_get_length (not_opened_cached_headers) > 0) {
-               gboolean connected = modest_platform_connect_and_wait (GTK_WINDOW (win));
+               gboolean connected = modest_platform_connect_and_wait (GTK_WINDOW (win), NULL);
                
                /* Don't go further if a connection would be necessary but none is available: */
                if (!connected) {
@@ -895,8 +915,10 @@ _modest_ui_actions_open (TnyList *headers, ModestWindow *win)
        TnyIterator *iter_not_opened = tny_list_create_iterator (not_opened_headers);
        while (!tny_iterator_is_done (iter_not_opened)) {
                TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter_not_opened));
-               modest_window_mgr_register_header (mgr, header);
-               g_object_unref (header);
+               if (header) {
+                       modest_window_mgr_register_header (mgr, header);
+                       g_object_unref (header);
+               }
                
                tny_iterator_next (iter_not_opened);
        }
@@ -906,8 +928,10 @@ _modest_ui_actions_open (TnyList *headers, ModestWindow *win)
        TnyIterator *iter_cached = tny_list_create_iterator (not_opened_cached_headers);
        while (!tny_iterator_is_done (iter_cached)) {
                TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter_cached));
-               modest_window_mgr_register_header (mgr, header);
-               g_object_unref (header);
+               if (header) {
+                       modest_window_mgr_register_header (mgr, header);
+                       g_object_unref (header);
+               }
                
                tny_iterator_next (iter_cached);
        }
@@ -931,8 +955,11 @@ _modest_ui_actions_open (TnyList *headers, ModestWindow *win)
                } else {
                        TnyIterator *iter = tny_list_create_iterator (not_opened_headers);
                        TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
-                       modest_mail_operation_get_msg (mail_op1, header, open_msg_cb, NULL);
-                       g_object_unref (header);
+                       if (header) {
+                               modest_mail_operation_get_msg (mail_op1, header, open_msg_cb, NULL);
+                               g_object_unref (header);
+                       }
+
                        g_object_unref (iter);
                }
        }
@@ -953,8 +980,11 @@ _modest_ui_actions_open (TnyList *headers, ModestWindow *win)
                } else {
                        TnyIterator *iter = tny_list_create_iterator (not_opened_cached_headers);
                        TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
-                       modest_mail_operation_get_msg (mail_op2, header, open_msg_cb, NULL);
-                       g_object_unref (header);
+                       if (header) {
+                               modest_mail_operation_get_msg (mail_op2, header, open_msg_cb, NULL);
+                               g_object_unref (header);
+                       }
+
                        g_object_unref (iter);
                }
        }
@@ -1122,13 +1152,16 @@ download_uncached_messages (TnyList *header_list, GtkWindow *win,
                TnyHeaderFlags flags;
 
                header = TNY_HEADER (tny_iterator_get_current (iter));
-               flags = tny_header_get_flags (header);
-               /* TODO: is this the right flag?, it seems that some
-                  headers that have been previously downloaded do not
-                  come with it */
-               if (! (flags & TNY_HEADER_FLAG_CACHED))
-                       uncached_messages ++;
-               g_object_unref (header);
+               if (header) {
+                       flags = tny_header_get_flags (header);
+                       /* TODO: is this the right flag?, it seems that some
+                          headers that have been previously downloaded do not
+                          come with it */
+                       if (! (flags & TNY_HEADER_FLAG_CACHED))
+                               uncached_messages ++;
+                       g_object_unref (header);
+               }
+
                tny_iterator_next (iter);
        }
        g_object_unref (iter);
@@ -1150,7 +1183,7 @@ download_uncached_messages (TnyList *header_list, GtkWindow *win,
                        retval = FALSE;
                else {
                        /* If a download will be necessary, make sure that we have a connection: */
-                       retval = modest_platform_connect_and_wait(win); 
+                       retval = modest_platform_connect_and_wait(win, NULL);   
                }
        }
        return retval;
@@ -1202,6 +1235,7 @@ reply_forward (ReplyForwardAction action, ModestWindow *win)
        rf_helper->reply_forward_type = reply_forward_type;
        rf_helper->action = action;
        rf_helper->account_name = g_strdup (modest_window_get_active_account (win));
+       
        if ((win != NULL) && (MODEST_IS_WINDOW (win)))
                rf_helper->parent_window = GTK_WIDGET (win);
        if (!rf_helper->account_name)
@@ -1241,17 +1275,21 @@ reply_forward (ReplyForwardAction action, ModestWindow *win)
                header = TNY_HEADER (tny_iterator_get_current (iter));
                g_object_unref (iter);
 
-               modest_mail_operation_get_msg (mail_op,
+               if (header) {
+                       modest_mail_operation_get_msg (mail_op,
                                               header,
                                               reply_forward_cb,
                                               rf_helper);
 
-/*             modest_mail_operation_get_msgs_full (mail_op,  */
+/*                     modest_mail_operation_get_msgs_full (mail_op,  */
 /*                                                  header_list,  */
 /*                                                  reply_forward_cb,  */
 /*                                                  rf_helper,  */
 /*                                                  free_reply_forward_helper); */
 
+                       g_object_unref (header);
+               }
+
                /* Clean */
                g_object_unref(mail_op);
        }
@@ -1335,8 +1373,11 @@ modest_ui_actions_on_sort (GtkAction *action,
                GtkWidget *header_view;
                header_view = modest_main_window_get_child_widget (MODEST_MAIN_WINDOW(window),
                                                                   MODEST_WIDGET_TYPE_HEADER_VIEW);
-               if (!header_view)
+               if (!header_view) {
+                       modest_platform_information_banner (NULL, NULL, _CS("ckdg_ib_nothing_to_sort"));
+
                        return;
+               }
 
                /* Show sorting dialog */
                modest_platform_run_sort_dialog (GTK_WINDOW (window), MODEST_SORT_HEADERS);     
@@ -1662,6 +1703,7 @@ folder_refreshed_cb (ModestMailOperation *mail_op,
 {
        ModestMainWindow *win = NULL;
        GtkWidget *header_view;
+       TnyFolder *current_folder;
 
        g_return_if_fail (TNY_IS_FOLDER (folder));
 
@@ -1669,6 +1711,13 @@ folder_refreshed_cb (ModestMailOperation *mail_op,
        header_view = 
                modest_main_window_get_child_widget(win, MODEST_WIDGET_TYPE_HEADER_VIEW);
 
+       if (header_view) {
+               current_folder = modest_header_view_get_folder (MODEST_HEADER_VIEW (header_view));
+               if (current_folder != NULL && folder != current_folder) {
+                       return;
+               }
+       }
+
        /* Check if folder is empty and set headers view contents style */
        if (tny_folder_get_all_count (folder) == 0) {
        printf ("DEBUG: %s: tny_folder_get_all_count() returned 0.\n", __FUNCTION__);
@@ -1917,7 +1966,7 @@ modest_ui_actions_on_send (GtkWidget *widget, ModestMsgEditWindow *edit_window)
                return;
        
        /* Offer the connection dialog, if necessary: */        
-       if (!modest_platform_connect_and_wait (GTK_WINDOW (edit_window)))
+       if (!modest_platform_connect_and_wait (GTK_WINDOW (edit_window), NULL))
                return;
        
        /* FIXME: Code added just for testing. The final version will
@@ -2162,33 +2211,20 @@ modest_ui_actions_new_folder_error_handler (ModestMailOperation *mail_op,
                                             gpointer user_data)
 {
        ModestMainWindow *window = MODEST_MAIN_WINDOW (user_data);
+       const GError *error = modest_mail_operation_get_error (mail_op);
 
-       /* TODO: Note that folder creation might go wrong due to other
-        * failures such as when the parent folder is non-writable. We can
-        * query a GError* with modest_mail_operation_get_error(), but the
-        * the error code (from tinymail) does not give us a clue about what
-        * has gone wrong. We might use the error->message but it might come
-        * from camel and not be suitable to show to the user directly. */
-       modest_platform_information_banner (GTK_WIDGET (window), NULL,
-                                           _CS("ckdg_ib_folder_already_exists"));
-
-/*     modest_platform_information_banner (GTK_WIDGET (window), NULL,
-                                           modest_mail_operation_get_error (mail_op)->message);*/
+       if(error)
+       {
+               modest_platform_information_banner (GTK_WIDGET (window), NULL,
+                                                   modest_mail_operation_get_error (mail_op)->message);
+       }
 }
 
-
-void 
-modest_ui_actions_on_new_folder (GtkAction *action, ModestMainWindow *main_window)
+static void
+modest_ui_actions_create_folder(GtkWidget *parent_window,
+                                GtkWidget *folder_view)
 {
        TnyFolderStore *parent_folder;
-       GtkWidget *folder_view;
-       
-       g_return_if_fail (MODEST_IS_MAIN_WINDOW(main_window));
-
-       folder_view = modest_main_window_get_child_widget (main_window,
-                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
-       if (!folder_view)
-               return;
 
        parent_folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
        
@@ -2199,7 +2235,7 @@ modest_ui_actions_on_new_folder (GtkAction *action, ModestMainWindow *main_windo
 
                /* Run the new folder dialog */
                while (!finished) {
-                       result = modest_platform_run_new_folder_dialog (GTK_WINDOW (main_window),
+                       result = modest_platform_run_new_folder_dialog (GTK_WINDOW (parent_window),
                                                                        parent_folder,
                                                                        suggested_name,
                                                                        &folder_name);
@@ -2214,9 +2250,9 @@ modest_ui_actions_on_new_folder (GtkAction *action, ModestMainWindow *main_windo
                                TnyFolder *new_folder = NULL;
 
                                mail_op  = modest_mail_operation_new_with_error_handling (MODEST_MAIL_OPERATION_TYPE_INFO,
-                                                                                         G_OBJECT(main_window),
+                                                                                         G_OBJECT(parent_window),
                                                                                          modest_ui_actions_new_folder_error_handler,
-                                                                                         main_window);
+                                                                                         parent_window);
 
                                modest_mail_operation_queue_add (modest_runtime_get_mail_operation_queue (), 
                                                                 mail_op);
@@ -2224,13 +2260,8 @@ modest_ui_actions_on_new_folder (GtkAction *action, ModestMainWindow *main_windo
                                                                                  parent_folder,
                                                                                  (const gchar *) folder_name);
                                if (new_folder) {
-                                       if (main_window) {
-                                               folder_view = modest_main_window_get_child_widget (main_window,
-                                                                                                  MODEST_WIDGET_TYPE_FOLDER_VIEW);
-                                               if (folder_view)
-                                                       modest_folder_view_select_folder (MODEST_FOLDER_VIEW(folder_view), 
-                                                                                         new_folder, TRUE);
-                                       }
+                                       modest_folder_view_select_folder (MODEST_FOLDER_VIEW(folder_view), 
+                                                                         new_folder, TRUE);
 
                                        g_object_unref (new_folder);
                                        finished = TRUE;
@@ -2246,6 +2277,21 @@ modest_ui_actions_on_new_folder (GtkAction *action, ModestMainWindow *main_windo
        }
 }
 
+void 
+modest_ui_actions_on_new_folder (GtkAction *action, ModestMainWindow *main_window)
+{
+       GtkWidget *folder_view;
+       
+       g_return_if_fail (MODEST_IS_MAIN_WINDOW(main_window));
+
+       folder_view = modest_main_window_get_child_widget (main_window,
+                                                          MODEST_WIDGET_TYPE_FOLDER_VIEW);
+       if (!folder_view)
+               return;
+
+       modest_ui_actions_create_folder (GTK_WIDGET (main_window), folder_view);
+}
+
 static void
 modest_ui_actions_rename_folder_error_handler (ModestMailOperation *mail_op,
                                               gpointer user_data)
@@ -2289,6 +2335,8 @@ modest_ui_actions_on_rename_folder (GtkAction *action,
                return;
 
        folder = modest_folder_view_get_selected (MODEST_FOLDER_VIEW(folder_view));
+       if (!folder)
+               return;
 
        /* Offer the connection dialog if necessary: */
        if (!modest_platform_connect_and_wait_if_network_folderstore (NULL, folder)) {
@@ -2297,7 +2345,7 @@ modest_ui_actions_on_rename_folder (GtkAction *action,
        }
 
        
-       if (folder && TNY_IS_FOLDER (folder)) {
+       if (TNY_IS_FOLDER (folder)) {
                gchar *folder_name;
                gint response;
                const gchar *current_name;
@@ -2334,8 +2382,8 @@ modest_ui_actions_on_rename_folder (GtkAction *action,
                        g_object_unref (mail_op);
                        g_free (folder_name);
                }
-               g_object_unref (folder);
        }
+       g_object_unref (folder);
 }
 
 static void
@@ -2420,6 +2468,27 @@ modest_ui_actions_on_move_folder_to_trash_folder (GtkAction *action, ModestMainW
        delete_folder (main_window, TRUE);
 }
 
+
+static void
+show_error (GtkWidget *parent_widget, const gchar* text)
+{
+       hildon_banner_show_information(parent_widget, NULL, text);
+       
+#if 0
+       GtkDialog *dialog = GTK_DIALOG (hildon_note_new_information (parent_window, text)); */
+       /*
+         GtkDialog *dialog = GTK_DIALOG (gtk_message_dialog_new (parent_window,
+         (GtkDialogFlags)0,
+         GTK_MESSAGE_ERROR,
+         GTK_BUTTONS_OK,
+         text ));
+       */
+                
+       gtk_dialog_run (dialog);
+       gtk_widget_destroy (GTK_WIDGET (dialog));
+#endif
+}
+
 void
 modest_ui_actions_on_password_requested (TnyAccountStore *account_store, 
                                         const gchar* server_account_name,
@@ -2577,6 +2646,8 @@ modest_ui_actions_on_password_requested (TnyAccountStore *account_store,
                        *cancel   = FALSE;
                        
        } else {
+               show_error(GTK_WIDGET (main_window), _("mail_ib_login_cancelled"));
+               
                if (username)
                        *username = NULL;
                        
@@ -2648,15 +2719,20 @@ modest_ui_actions_on_copy (GtkAction *action,
                TnyList *header_list = modest_header_view_get_selected_headers (MODEST_HEADER_VIEW (focused_widget));
                TnyIterator *iter = tny_list_create_iterator (header_list);
                TnyHeader *header = TNY_HEADER (tny_iterator_get_current (iter));
-               TnyFolder *folder = tny_header_get_folder (header);
-               TnyAccount *account = tny_folder_get_account (folder);
-               const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
-               /* If it's POP then ask */
-               gboolean ask = (modest_protocol_info_get_transport_store_protocol (proto_str) == 
-                      MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
-               g_object_unref (account);
-               g_object_unref (folder);
-               g_object_unref (header);
+               
+               gboolean ask = FALSE;
+               if (header) {
+                       TnyFolder *folder = tny_header_get_folder (header);
+                       TnyAccount *account = tny_folder_get_account (folder);
+                       const gchar *proto_str = tny_account_get_proto (TNY_ACCOUNT (account));
+                       /* If it's POP then ask */
+                       ask = (modest_protocol_info_get_transport_store_protocol (proto_str) == 
+                               MODEST_PROTOCOL_STORE_POP) ? TRUE : FALSE;
+                       g_object_unref (account);
+                       g_object_unref (folder);
+                       g_object_unref (header);
+               }
+
                g_object_unref (iter);
                
                /* Check that the messages have been previously downloaded */
@@ -3011,8 +3087,10 @@ modest_ui_actions_on_details (GtkAction *action,
                iter = tny_list_create_iterator (headers_list);
 
                header = TNY_HEADER (tny_iterator_get_current (iter));
-               headers_action_show_details (header, win, NULL);
-               g_object_unref (header);
+               if (header) {
+                       headers_action_show_details (header, win, NULL);
+                       g_object_unref (header);
+               }
 
                g_object_unref (iter);
                g_object_unref (headers_list);
@@ -3137,6 +3215,12 @@ modest_ui_actions_on_check_names (GtkAction *action, ModestMsgEditWindow *window
        modest_msg_edit_window_check_names (window);
 }
 
+static void
+create_move_to_dialog_on_new_folder(GtkWidget *button, gpointer user_data)
+{
+       modest_ui_actions_create_folder (gtk_widget_get_toplevel (button),
+                                        GTK_WIDGET (user_data));
+}
 
 static GtkWidget*
 create_move_to_dialog (GtkWindow *win,
@@ -3144,15 +3228,19 @@ create_move_to_dialog (GtkWindow *win,
                       GtkWidget **tree_view)
 {
        GtkWidget *dialog, *scroll;
+       GtkWidget *new_button;
 
        dialog = gtk_dialog_new_with_buttons (_("mcen_ti_moveto_folders_title"),
                                              GTK_WINDOW (win),
                                              GTK_DIALOG_MODAL | GTK_DIALOG_NO_SEPARATOR | GTK_DIALOG_DESTROY_WITH_PARENT,
-                                             GTK_STOCK_OK,
-                                             GTK_RESPONSE_ACCEPT,
-                                             GTK_STOCK_CANCEL,
-                                             GTK_RESPONSE_REJECT,
-                                             NULL);
+                                             NULL);
+
+       gtk_dialog_add_button (GTK_DIALOG (dialog), GTK_STOCK_OK, GTK_RESPONSE_ACCEPT);
+       /* We do this manually so GTK+ does not associate a response ID for
+        * the button. */
+       new_button = gtk_button_new_from_stock (GTK_STOCK_NEW);
+       gtk_box_pack_end (GTK_BOX (GTK_DIALOG (dialog)->action_area), new_button, FALSE, FALSE, 0);
+       gtk_dialog_add_button (GTK_DIALOG (dialog), GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT);
 
        /* Create scrolled window */
        scroll = gtk_scrolled_window_new (NULL, NULL);
@@ -3163,6 +3251,8 @@ create_move_to_dialog (GtkWindow *win,
        /* Create folder view */
        *tree_view = modest_platform_create_folder_view (NULL);
 
+       g_signal_connect (G_OBJECT (new_button), "clicked", G_CALLBACK(create_move_to_dialog_on_new_folder), *tree_view);
+
        /* It could happen that we're trying to move a message from a
           window (msg window for example) after the main window was
           closed, so we can not just get the model of the folder
@@ -3180,9 +3270,10 @@ create_move_to_dialog (GtkWindow *win,
 
        /* Add scroll to dialog */
        gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), 
-                           scroll, FALSE, FALSE, 0);
+                           scroll, TRUE, TRUE, 0);
 
        gtk_widget_show_all (GTK_WIDGET(GTK_DIALOG(dialog)->vbox));
+       gtk_window_set_default_size (GTK_WINDOW (dialog), 300, 300);
 
        return dialog;
 }
@@ -3200,12 +3291,16 @@ has_retrieved_msgs (TnyList *list)
        iter = tny_list_create_iterator (list);
        while (tny_iterator_is_done (iter) && !found) {
                TnyHeader *header;
-               TnyHeaderFlags flags;
+               TnyHeaderFlags flags = 0;
 
                header = TNY_HEADER (tny_iterator_get_current (iter));
-               flags = tny_header_get_flags (header);
-               if (!(flags & TNY_HEADER_FLAG_PARTIAL))
-                       found = TRUE;
+               if (header) {
+                       flags = tny_header_get_flags (header);
+                       if (!(flags & TNY_HEADER_FLAG_PARTIAL))
+                               found = TRUE;
+
+                       g_object_unref (header);
+               }
 
                if (!found)
                        tny_iterator_next (iter);
@@ -3230,15 +3325,18 @@ msgs_move_to_confirmation (GtkWindow *win,
 
        /* If the destination is a local folder */
        if (modest_tny_folder_is_local_folder (dest_folder)) {
-               TnyFolder *src_folder;
-               TnyIterator *iter;
-               TnyHeader *header;
+               TnyFolder *src_folder = NULL;
+               TnyIterator *iter = NULL;
+               TnyHeader *header = NULL;
 
                /* Get source folder */
                iter = tny_list_create_iterator (headers);
                header = TNY_HEADER (tny_iterator_get_current (iter));
-               src_folder = tny_header_get_folder (header);
-               g_object_unref (header);
+               if (header) {
+                       src_folder = tny_header_get_folder (header);
+                       g_object_unref (header);
+               }
+
                g_object_unref (iter);
 
                /* if no src_folder, message may be an attahcment */
@@ -3259,8 +3357,10 @@ msgs_move_to_confirmation (GtkWindow *win,
                        response = modest_platform_run_confirmation_dialog (GTK_WINDOW (win),
                                                                            (const gchar *) message);
                }
+               
                g_object_unref (src_folder);
        }
+       
        return response;
 }
 
@@ -3335,10 +3435,13 @@ open_msg_for_purge_cb (ModestMailOperation *mail_op,
        gint pending_purges = 0;
        gboolean some_purged = FALSE;
        ModestWindow *win = MODEST_WINDOW (user_data);
+       ModestWindowMgr *mgr = modest_runtime_get_window_mgr ();
 
        /* If there was any error */
-       if (!modest_ui_actions_msg_retrieval_check (mail_op, header, msg))
+       if (!modest_ui_actions_msg_retrieval_check (mail_op, header, msg)) {
+               modest_window_mgr_unregister_header (mgr, header);
                return;
+       }
 
        /* Once the message has been retrieved for purging, we check if
         * it's all ok for purging */
@@ -3350,12 +3453,16 @@ open_msg_for_purge_cb (ModestMailOperation *mail_op,
        while (!tny_iterator_is_done (iter)) {
                TnyMimePart *part;
                part = TNY_MIME_PART (tny_iterator_get_current (iter));
-               if (tny_mime_part_is_attachment (part) || TNY_IS_MSG (part)) {
+               if (part && (tny_mime_part_is_attachment (part) || TNY_IS_MSG (part))) {
                        if (tny_mime_part_is_purged (part))
                                some_purged = TRUE;
                        else
                                pending_purges++;
                }
+
+               if (part)
+                       g_object_unref (part);
+
                tny_iterator_next (iter);
        }
 
@@ -3370,8 +3477,12 @@ open_msg_for_purge_cb (ModestMailOperation *mail_op,
                                TnyMimePart *part;
                                
                                part = TNY_MIME_PART (tny_iterator_get_current (iter));
-                               if (tny_mime_part_is_attachment (part) || TNY_IS_MSG (part))
+                               if (part && (tny_mime_part_is_attachment (part) || TNY_IS_MSG (part)))
                                        tny_mime_part_set_purged (part);
+
+                               if (part)
+                                       g_object_unref (part);
+
                                tny_iterator_next (iter);
                        }
                        
@@ -3387,9 +3498,17 @@ open_msg_for_purge_cb (ModestMailOperation *mail_op,
                TnyMimePart *part;
                        
                part = TNY_MIME_PART (tny_iterator_get_current (iter));
-               g_object_unref (part);
+               if (part) {
+                       /* One for the reference given by tny_iterator_get_current(): */
+                       g_object_unref (part);
+
+                       /* TODO: Is this meant to remove the attachment by doing another unref()? 
+                        * Otherwise, this seems useless. */
+               }
+
                tny_iterator_next (iter);
        }
+       modest_window_mgr_unregister_header (mgr, header);
 
        g_object_unref (iter);
        g_object_unref (parts);
@@ -3658,10 +3777,10 @@ do_headers_action (ModestWindow *win,
                   HeadersFunc func,
                   gpointer user_data)
 {
-       TnyList *headers_list;
-       TnyIterator *iter;
-       TnyHeader *header;
-       TnyFolder *folder;
+       TnyList *headers_list = NULL;
+       TnyIterator *iter = NULL;
+       TnyHeader *header = NULL;
+       TnyFolder *folder = NULL;
 
        /* Get headers */
        headers_list = get_selected_headers (win);
@@ -3671,8 +3790,10 @@ do_headers_action (ModestWindow *win,
        /* Get the folder */
        iter = tny_list_create_iterator (headers_list);
        header = TNY_HEADER (tny_iterator_get_current (iter));
-       folder = tny_header_get_folder (header);
-       g_object_unref (header);
+       if (header) {
+               folder = tny_header_get_folder (header);
+               g_object_unref (header);
+       }
 
        /* Call the function for each header */
        while (!tny_iterator_is_done (iter)) {