Fix memory leak in select_next_valid_row()
[modest] / src / maemo / modest-msg-view-window.c
index 893f2c1..8c6d40f 100644 (file)
@@ -39,7 +39,6 @@
 #include <modest-maemo-utils.h>
 #include <modest-tny-msg.h>
 #include <modest-msg-view-window.h>
-#include <modest-attachments-view.h>
 #include <modest-main-window-ui.h>
 #include "modest-msg-view-window-ui-dimming.h"
 #include <modest-widget-memory.h>
@@ -534,26 +533,13 @@ set_toolbar_mode (ModestMsgViewWindow *self,
 }
 
 
-static GtkWidget *
-menubar_to_menu (GtkUIManager *ui_manager)
-{
-       GtkWidget *main_menu;
-
-       /* Get the menubar from the UI manager */
-       main_menu = gtk_ui_manager_get_widget (ui_manager, "/MenuBar");
-
-       return main_menu;
-}
-
 static void
 init_window (ModestMsgViewWindow *obj)
 {
        GtkWidget *main_vbox;
        ModestMsgViewWindowPrivate *priv;
-       ModestWindowPrivate *parent_priv;
 
        priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE(obj);
-       parent_priv = MODEST_WINDOW_GET_PRIVATE(obj);
 
        priv->msg_view = GTK_WIDGET (tny_platform_factory_new_msg_view (modest_tny_platform_factory_get_instance ()));
        modest_msg_view_set_shadow_type (MODEST_MSG_VIEW (priv->msg_view), GTK_SHADOW_NONE);
@@ -702,7 +688,8 @@ select_next_valid_row (GtkTreeModel *model,
                       gboolean cycle)
 {
        GtkTreeIter tmp_iter;
-       GtkTreePath *path, *next;
+       GtkTreePath *path;
+       GtkTreePath *next = NULL;
        gboolean retval = FALSE;
 
        g_return_val_if_fail (gtk_tree_row_reference_valid (*row_reference), FALSE);
@@ -728,6 +715,8 @@ select_next_valid_row (GtkTreeModel *model,
 
        /* Free */
        gtk_tree_path_free (path);
+       if (next)
+               gtk_tree_path_free (next);
 
        return retval;
 }
@@ -752,14 +741,14 @@ modest_msg_view_window_construct (ModestMsgViewWindow *self,
        priv->msg_uid = g_strdup (msg_uid);
 
        /* Menubar */
-       parent_priv->menubar = menubar_to_menu (parent_priv->ui_manager);
+       parent_priv->menubar = modest_maemo_utils_get_manager_menubar_as_menu (parent_priv->ui_manager, "/MenuBar");
        hildon_window_set_menu    (HILDON_WINDOW(obj), GTK_MENU(parent_priv->menubar));
        gtk_widget_show (parent_priv->menubar);
        parent_priv->ui_dimming_manager = modest_ui_dimming_manager_new();
 
-       menu_rules_group = modest_dimming_rules_group_new ("ModestMenuDimmingRules", FALSE);
-       toolbar_rules_group = modest_dimming_rules_group_new ("ModestToolbarDimmingRules", TRUE);
-       clipboard_rules_group = modest_dimming_rules_group_new ("ModestClipboardDimmingRules", FALSE);
+       menu_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_MENU, FALSE);
+       toolbar_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_TOOLBAR, TRUE);
+       clipboard_rules_group = modest_dimming_rules_group_new (MODEST_DIMMING_RULES_CLIPBOARD, FALSE);
 
        /* Add common dimming rules */
        modest_dimming_rules_group_add_rules (menu_rules_group, 
@@ -835,11 +824,9 @@ modest_msg_view_window_construct (ModestMsgViewWindow *self,
        /* Init the clipboard actions dim status */
        modest_msg_view_grab_focus(MODEST_MSG_VIEW (priv->msg_view));
 
+       gtk_widget_show_all (GTK_WIDGET (obj));
        update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
 
-       /* Check toolbar dimming rules */
-       modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (obj));
-       modest_window_check_dimming_rules_group (MODEST_WINDOW (obj), "ModestClipboardDimmingRules");
 
 }
 
@@ -920,11 +907,12 @@ modest_msg_view_window_new_with_header_model (TnyMsg *msg,
        tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
        update_window_title (MODEST_MSG_VIEW_WINDOW (window));
        gtk_widget_show_all (GTK_WIDGET (window));
-
        modest_msg_view_window_update_priority (window);
 
-       /* Check toolbar dimming rules */
+       /* Check dimming rules */
        modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
+       modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (window));
+       modest_window_check_dimming_rules_group (MODEST_WINDOW (window), MODEST_DIMMING_RULES_CLIPBOARD);
 
        return MODEST_WINDOW(window);
 }
@@ -954,6 +942,7 @@ modest_msg_view_window_new_for_search_result (TnyMsg *msg,
        update_window_title (window);
        modest_msg_view_window_update_priority (window);
 
+
        return MODEST_WINDOW(window);
 }
 
@@ -976,6 +965,11 @@ modest_msg_view_window_new_for_attachment (TnyMsg *msg,
        tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
        update_window_title (MODEST_MSG_VIEW_WINDOW (obj));
 
+       /* Check dimming rules */
+       modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (obj));
+       modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (obj));
+       modest_window_check_dimming_rules_group (MODEST_WINDOW (obj), MODEST_DIMMING_RULES_CLIPBOARD);
+
        return MODEST_WINDOW(obj);
 }
 
@@ -1425,7 +1419,21 @@ modest_msg_view_window_key_event (GtkWidget *window,
                                  GdkEventKey *event,
                                  gpointer userdata)
 {
-       
+       GtkWidget *focus;
+
+       focus = gtk_window_get_focus (GTK_WINDOW (window));
+
+       /* for the find toolbar case */
+       if (focus && GTK_IS_ENTRY (focus)) {
+               if (event->keyval == GDK_BackSpace) {
+                       GdkEvent *copy;
+                       copy = gdk_event_copy ((GdkEvent *) event);
+                       gtk_widget_event (focus, copy);
+                       gdk_event_free (copy);
+                       return TRUE;
+               } else 
+                       return FALSE;
+       }
        if (event->keyval == GDK_Up || event->keyval == GDK_KP_Up ||
            event->keyval == GDK_Down || event->keyval == GDK_KP_Down ||
            event->keyval == GDK_Page_Up || event->keyval == GDK_KP_Page_Up ||
@@ -1659,8 +1667,9 @@ message_reader (ModestMsgViewWindow *window,
        modest_mail_operation_get_msg (mail_op, header, view_msg_cb, row_reference);
        g_object_unref (mail_op);
 
-       /* Update toolbar dimming rules */
+       /* Update dimming rules */
        modest_ui_actions_check_toolbar_dimming_rules (MODEST_WINDOW (window));
+       modest_ui_actions_check_menu_dimming_rules (MODEST_WINDOW (window));
 
        return TRUE;
 }
@@ -1721,52 +1730,13 @@ modest_msg_view_window_select_next_message (ModestMsgViewWindow *window)
        return retval;          
 }
 
-gboolean 
-modest_msg_view_window_select_first_message (ModestMsgViewWindow *self)
-{
-       ModestMsgViewWindowPrivate *priv = NULL;
-       TnyHeader *header = NULL;
-       GtkTreeIter iter;
-       GtkTreePath *path = NULL;
-       GtkTreeRowReference *row_reference = NULL;
-
-       g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self), FALSE);
-       priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
-
-       /* Check that the model is not empty */
-       if (!gtk_tree_model_get_iter_first (priv->header_model, &iter))
-               return FALSE;
-
-       /* Get the header */
-       gtk_tree_model_get (priv->header_model, 
-                           &iter, 
-                           TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
-                           &header, -1);
-       g_return_val_if_fail (TNY_IS_HEADER (header), FALSE);
-       if (!msg_is_visible (header, priv->is_outbox)) {
-               g_object_unref (header);
-               return modest_msg_view_window_select_next_message (self);
-       }
-       
-       path = gtk_tree_model_get_path (priv->header_model, &iter);
-       row_reference = gtk_tree_row_reference_new (priv->header_model, path);
-       gtk_tree_path_free (path);
-
-       /* Read the message & show it */
-       message_reader (self, priv, header, row_reference);
-       
-       /* Free */
-       g_object_unref (header);
-
-       return TRUE;
-}
 gboolean        
 modest_msg_view_window_select_previous_message (ModestMsgViewWindow *window)
 {
        ModestMsgViewWindowPrivate *priv = NULL;
        GtkTreePath *path;
-       GtkTreeRowReference *row_reference = NULL;
+       gboolean finished = FALSE;
+       gboolean retval = FALSE;
 
        g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window), FALSE);
        priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (window);
@@ -1776,7 +1746,7 @@ modest_msg_view_window_select_previous_message (ModestMsgViewWindow *window)
                return FALSE;
 
        path = gtk_tree_row_reference_get_path (priv->row_reference);
-       while (gtk_tree_path_prev (path)) {
+       while (!finished && gtk_tree_path_prev (path)) {
                TnyHeader *header;
                GtkTreeIter iter;
 
@@ -1784,29 +1754,24 @@ modest_msg_view_window_select_previous_message (ModestMsgViewWindow *window)
                gtk_tree_model_get (priv->header_model, &iter, 
                                    TNY_GTK_HEADER_LIST_MODEL_INSTANCE_COLUMN,
                                    &header, -1);
-               if (!header)
-                       break;
-               if (!msg_is_visible (header, priv->is_outbox)) {
-                       g_object_unref (header);
-                       continue;
-               }
-
-               row_reference = gtk_tree_row_reference_new (priv->header_model, path);
-               /* Read the message & show it */
-               if (!message_reader (window, priv, header, row_reference)) {
-                       gtk_tree_row_reference_free (row_reference);
+               finished = TRUE;
+               if (header) {
+                       if (msg_is_visible (header, priv->is_outbox)) {
+                               GtkTreeRowReference *row_reference;
+                               row_reference = gtk_tree_row_reference_new (priv->header_model, path);
+                               /* Read the message & show it */
+                               retval = message_reader (window, priv, header, row_reference);
+                               if (!retval)
+                                       gtk_tree_row_reference_free (row_reference);
+                       } else {
+                               finished = FALSE;
+                       }
                        g_object_unref (header);
-                       break;
                }
-
-               gtk_tree_path_free (path);
-               g_object_unref (header);
-
-               return TRUE;
        }
 
        gtk_tree_path_free (path);
-       return FALSE;
+       return retval;
 }
 
 static void
@@ -1821,6 +1786,11 @@ view_msg_cb (ModestMailOperation *mail_op,
        ModestMsgViewWindowPrivate *priv = NULL;
        GtkTreeRowReference *row_reference = NULL;
 
+       if (canceled) {
+               g_object_unref (self);
+               return;
+       }
+       
        /* If there was any error */
        row_reference = (GtkTreeRowReference *) user_data;
        if (!modest_ui_actions_msg_retrieval_check (mail_op, header, msg)) {
@@ -1834,21 +1804,28 @@ view_msg_cb (ModestMailOperation *mail_op,
        priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
 
        /* Update the row reference */
-       gtk_tree_row_reference_free (priv->row_reference);
-       priv->row_reference = gtk_tree_row_reference_copy (row_reference);
-       priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
-       select_next_valid_row (priv->header_model, &(priv->next_row_reference), TRUE);
-       gtk_tree_row_reference_free (row_reference);
+       if (priv->row_reference != NULL) {
+               gtk_tree_row_reference_free (priv->row_reference);
+               priv->row_reference = gtk_tree_row_reference_copy (row_reference);
+               if (priv->next_row_reference != NULL) {
+                       gtk_tree_row_reference_free (priv->next_row_reference);
+               }
+               priv->next_row_reference = gtk_tree_row_reference_copy (priv->row_reference);
+               select_next_valid_row (priv->header_model, &(priv->next_row_reference), TRUE);
+               gtk_tree_row_reference_free (row_reference);
+       }
 
        /* Mark header as read */
        if (!(tny_header_get_flags (header) & TNY_HEADER_FLAG_SEEN))
                tny_header_set_flag (header, TNY_HEADER_FLAG_SEEN);
 
        /* Set new message */
-       tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
-       modest_msg_view_window_update_priority (self);
-       update_window_title (MODEST_MSG_VIEW_WINDOW (self));
-       modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
+       if (priv->msg_view != NULL && TNY_IS_MSG_VIEW (priv->msg_view)) {
+               tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
+               modest_msg_view_window_update_priority (self);
+               update_window_title (MODEST_MSG_VIEW_WINDOW (self));
+               modest_msg_view_grab_focus (MODEST_MSG_VIEW (priv->msg_view));
+       }
 
        /* Set the new message uid of the window  */
        if (priv->msg_uid) {
@@ -1931,6 +1908,53 @@ modest_msg_view_window_update_priority (ModestMsgViewWindow *window)
 
 }
 
+static void
+toolbar_resize (ModestMsgViewWindow *self)
+{
+       ModestMsgViewWindowPrivate *priv = NULL;
+       ModestWindowPrivate *parent_priv = NULL;
+       GtkWidget *widget;
+       gint static_button_size;
+       ModestWindowMgr *mgr;
+
+       g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (self));
+       priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
+       parent_priv = MODEST_WINDOW_GET_PRIVATE(self);
+
+       mgr = modest_runtime_get_window_mgr ();
+       static_button_size = modest_window_mgr_get_fullscreen_mode (mgr)?118:108;
+
+       if (parent_priv->toolbar) {
+               /* left size buttons */
+               widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageReply");
+               gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
+               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
+               gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
+               widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageMoveTo");
+               gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
+               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
+               gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
+               widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarDeleteMessage");
+               gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
+               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
+               gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
+               widget = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/FindInMessage");
+               gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), FALSE);
+               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), FALSE);
+               gtk_widget_set_size_request (GTK_WIDGET (widget), static_button_size, -1);
+               
+               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->progress_toolitem), FALSE);
+               gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), TRUE);
+               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
+               gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
+               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->next_toolitem), TRUE);
+               gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->next_toolitem), TRUE);
+               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->prev_toolitem), TRUE);
+               gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->prev_toolitem), TRUE);
+       }
+               
+}
+
 static gboolean
 modest_msg_view_window_window_state_event (GtkWidget *widget, GdkEventWindowState *event, gpointer userdata)
 {
@@ -1951,6 +1975,7 @@ modest_msg_view_window_window_state_event (GtkWidget *widget, GdkEventWindowStat
                if (is_fullscreen != active) {
                        gtk_toggle_action_set_active (GTK_TOGGLE_ACTION (fs_toggle_action), is_fullscreen);
                }
+               toolbar_resize (MODEST_MSG_VIEW_WINDOW (widget));
        }
 
        return FALSE;
@@ -1958,16 +1983,6 @@ modest_msg_view_window_window_state_event (GtkWidget *widget, GdkEventWindowStat
 }
 
 static void
-set_homogeneous (GtkWidget *widget,
-                gpointer data)
-{
-       if (GTK_IS_TOOL_ITEM (widget)) {
-               gtk_tool_item_set_expand (GTK_TOOL_ITEM (widget), TRUE);
-               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (widget), TRUE);
-       }
-}
-
-static void
 modest_msg_view_window_show_toolbar (ModestWindow *self,
                                     gboolean show_toolbar)
 {
@@ -1990,18 +2005,11 @@ modest_msg_view_window_show_toolbar (ModestWindow *self,
                                                                  "/ToolBar");
                gtk_widget_set_no_show_all (parent_priv->toolbar, TRUE);
 
-               /* Set homogeneous toolbar */
-               gtk_container_foreach (GTK_CONTAINER (parent_priv->toolbar), 
-                                      set_homogeneous, NULL);
-
                priv->progress_toolitem = GTK_WIDGET (gtk_tool_item_new ());
                priv->cancel_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarCancel");
                priv->next_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageNext");
                priv->prev_toolitem = gtk_ui_manager_get_widget (parent_priv->ui_manager, "/ToolBar/ToolbarMessageBack");
-               gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->progress_toolitem), TRUE);
-               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->progress_toolitem), TRUE);
-               gtk_tool_item_set_homogeneous (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
-               gtk_tool_item_set_expand (GTK_TOOL_ITEM (priv->cancel_toolitem), FALSE);
+               toolbar_resize (MODEST_MSG_VIEW_WINDOW (self));
 
                /* Add ProgressBar (Transfer toolbar) */ 
                priv->progress_bar = modest_progress_bar_widget_new ();
@@ -2070,7 +2078,7 @@ modest_msg_view_window_clipboard_owner_change (GtkClipboard *clipboard,
        if (!GTK_WIDGET_VISIBLE (window))
                return;
 
-       modest_window_check_dimming_rules_group (MODEST_WINDOW (window), "ModestClipboardDimmingRules");
+       modest_window_check_dimming_rules_group (MODEST_WINDOW (window), MODEST_DIMMING_RULES_CLIPBOARD);
 }
 
 gboolean 
@@ -2150,21 +2158,25 @@ on_mail_operation_started (ModestMailOperation *mail_op,
        ModestMailOperationTypeOperation op_type;
        GSList *tmp;
        ModestMsgViewWindowPrivate *priv;
+       GObject *source = NULL;
 
        self = MODEST_MSG_VIEW_WINDOW (user_data);
        priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (self);
        op_type = modest_mail_operation_get_type_operation (mail_op);
        tmp = priv->progress_widgets;
-       
-       if (op_type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || op_type == MODEST_MAIL_OPERATION_TYPE_OPEN ) {
-               set_toolbar_transfer_mode(self);
-               while (tmp) {
-                       modest_progress_object_add_operation (
-                                       MODEST_PROGRESS_OBJECT (tmp->data),
-                                       mail_op);
-                       tmp = g_slist_next (tmp);
+       source = modest_mail_operation_get_source(mail_op);
+       if (G_OBJECT (self) == source) {
+               if (op_type == MODEST_MAIL_OPERATION_TYPE_RECEIVE || op_type == MODEST_MAIL_OPERATION_TYPE_OPEN ) {
+                       set_toolbar_transfer_mode(self);
+                       while (tmp) {
+                               modest_progress_object_add_operation (
+                                               MODEST_PROGRESS_OBJECT (tmp->data),
+                                               mail_op);
+                               tmp = g_slist_next (tmp);
+                       }
                }
        }
+       g_object_unref (source);
 }
 
 static void 
@@ -2231,11 +2243,11 @@ on_queue_changed (ModestMailOperationQueue *queue,
        }
 }
 
-GList *
+TnyList *
 modest_msg_view_window_get_attachments (ModestMsgViewWindow *win) 
 {
        ModestMsgViewWindowPrivate *priv;
-       GList *selected_attachments = NULL;
+       TnyList *selected_attachments = NULL;
        
        g_return_val_if_fail (MODEST_IS_MSG_VIEW_WINDOW (win), NULL);
        priv = MODEST_MSG_VIEW_WINDOW_GET_PRIVATE (win);
@@ -2252,7 +2264,7 @@ modest_msg_view_window_view_attachment (ModestMsgViewWindow *window, TnyMimePart
        const gchar *msg_uid;
        gchar *attachment_uid = NULL;
        gint attachment_index = 0;
-       GList *attachments;
+       TnyList *attachments;
 
        g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
        g_return_if_fail (TNY_IS_MIME_PART (mime_part) || (mime_part == NULL));
@@ -2260,8 +2272,8 @@ modest_msg_view_window_view_attachment (ModestMsgViewWindow *window, TnyMimePart
 
        msg_uid = modest_msg_view_window_get_message_uid (MODEST_MSG_VIEW_WINDOW (window));
        attachments = modest_msg_view_get_attachments (MODEST_MSG_VIEW (priv->msg_view));
-       attachment_index = g_list_index (attachments, mime_part);
-       g_list_free (attachments);
+       attachment_index = modest_list_index (attachments, (GObject *) mime_part);
+       g_object_unref (attachments);
        
        if (msg_uid && attachment_index >= 0) {
                attachment_uid = g_strdup_printf ("%s/%d", msg_uid, attachment_index);
@@ -2269,18 +2281,19 @@ modest_msg_view_window_view_attachment (ModestMsgViewWindow *window, TnyMimePart
 
        if (mime_part == NULL) {
                gboolean error = FALSE;
-               GList *selected_attachments = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
-               if (selected_attachments == NULL) {
+               TnyList *selected_attachments = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
+               if (selected_attachments == NULL || tny_list_get_length (selected_attachments) == 0) {
                        error = TRUE;
-               } else if (g_list_length (selected_attachments) > 1) {
+               } else if (tny_list_get_length (selected_attachments) > 1) {
                        hildon_banner_show_information (NULL, NULL, _("mcen_ib_unable_to_display_more"));
                        error = TRUE;
                } else {
-                       mime_part = (TnyMimePart *) selected_attachments->data;
-                       g_object_ref (mime_part);
+                       TnyIterator *iter;
+                       iter = tny_list_create_iterator (selected_attachments);
+                       mime_part = (TnyMimePart *) tny_iterator_get_current (iter);
+                       g_object_unref (iter);
                }
-               g_list_foreach (selected_attachments, (GFunc) g_object_unref, NULL);
-               g_list_free (selected_attachments);
+               g_object_unref (selected_attachments);
 
                if (error)
                        return;
@@ -2297,31 +2310,47 @@ modest_msg_view_window_view_attachment (ModestMsgViewWindow *window, TnyMimePart
                gchar *filepath = NULL;
                const gchar *att_filename = tny_mime_part_get_filename (mime_part);
                const gchar *content_type;
+               gboolean show_error_banner = FALSE;
+               GError *err;
                TnyFsStream *temp_stream = NULL;
                temp_stream = modest_utils_create_temp_stream (att_filename, attachment_uid,
                                                               &filepath);
                
                if (temp_stream != NULL) {
                        content_type = tny_mime_part_get_content_type (mime_part);
-                       tny_mime_part_decode_to_stream (mime_part, TNY_STREAM (temp_stream));
+                       if (tny_mime_part_decode_to_stream (mime_part, TNY_STREAM (temp_stream), &err) >= 0) {
+                               /* make the file read-only */
+                               if (g_chmod(filepath, 0444) != 0)
+                                       g_warning ("%s: failed to set file '%s' to read-only: %s",
+                                                       __FUNCTION__, filepath, strerror(errno));
 
-                       /* make the file read-only */
-                       if (g_chmod(filepath, 0444) != 0)
-                               g_warning ("%s: failed to set file '%s' to read-only: %s",
-                                          __FUNCTION__, filepath, strerror(errno));
-                       
-                       modest_platform_activate_file (filepath, content_type);
+                               modest_platform_activate_file (filepath, content_type);
+                       } else {
+                               /* error while saving attachment, maybe cerm_device_memory_full */
+                               show_error_banner = TRUE;
+                               if (err != NULL) {
+                                       g_warning ("%s: tny_mime_part_decode_to_stream failed (%s)", __FUNCTION__, err->message);
+                                       g_error_free (err);
+                               }
+                       }
                        g_object_unref (temp_stream);
                        g_free (filepath);
                        /* NOTE: files in the temporary area will be automatically
                         * cleaned after some time if they are no longer in use */
-               } else if (filepath != NULL) {
-                       /* the file may already exist but it isn't writable,
-                        * let's try to open it anyway */
-                       content_type = tny_mime_part_get_content_type (mime_part);
-                       modest_platform_activate_file (filepath, content_type);
-                       g_free (filepath);
+               } else {
+                       if (filepath != NULL) {
+                               /* the file may already exist but it isn't writable,
+                                * let's try to open it anyway */
+                               content_type = tny_mime_part_get_content_type (mime_part);
+                               modest_platform_activate_file (filepath, content_type);
+                               g_free (filepath);
+                       } else {
+                               g_warning ("%s: modest_utils_create_temp_stream failed", __FUNCTION__);
+                               show_error_banner = TRUE;
+                       }
                }
+               if (show_error_banner)
+                       modest_platform_information_banner (NULL, NULL, _("mail_ib_file_operation_failed"));
        } else {
                /* message attachment */
                TnyHeader *header = NULL;
@@ -2350,7 +2379,6 @@ modest_msg_view_window_view_attachment (ModestMsgViewWindow *window, TnyMimePart
                        modest_window_set_zoom (MODEST_WINDOW (msg_win), 
                                                modest_window_get_zoom (MODEST_WINDOW (window)));
                        modest_window_mgr_register_window (mgr, msg_win);
-                       gtk_window_set_transient_for (GTK_WINDOW (msg_win), GTK_WINDOW (window));
                        gtk_widget_show_all (GTK_WIDGET (msg_win));
                }
        }
@@ -2427,16 +2455,19 @@ save_mime_part_to_file (SaveMimePartInfo *info)
        GnomeVFSHandle *handle;
        TnyStream *stream;
        SaveMimePartPair *pair = (SaveMimePartPair *) info->pairs->data;
+       gboolean decode_result = TRUE;
 
        result = gnome_vfs_create (&handle, pair->filename, GNOME_VFS_OPEN_WRITE, FALSE, 0644);
        if (result == GNOME_VFS_OK) {
                stream = tny_vfs_stream_new (handle);
-               tny_mime_part_decode_to_stream (pair->part, stream);
+               if (tny_mime_part_decode_to_stream (pair->part, stream, NULL) < 0) {
+                       decode_result = FALSE;
+               }
                g_object_unref (G_OBJECT (stream));
                g_object_unref (pair->part);
                g_slice_free (SaveMimePartPair, pair);
                info->pairs = g_list_delete_link (info->pairs, info->pairs);
-               info->result = TRUE;
+               info->result = decode_result;
        } else {
                save_mime_part_info_free (info, FALSE);
                info->result = FALSE;
@@ -2485,9 +2516,8 @@ save_mime_parts_to_file_with_checks (SaveMimePartInfo *info)
 
 
 void
-modest_msg_view_window_save_attachments (ModestMsgViewWindow *window, GList *mime_parts)
+modest_msg_view_window_save_attachments (ModestMsgViewWindow *window, TnyList *mime_parts)
 {
-       gboolean clean_list = FALSE;
        ModestMsgViewWindowPrivate *priv;
        GList *files_to_save = NULL;
        GtkWidget *save_dialog = NULL;
@@ -2501,24 +2531,29 @@ modest_msg_view_window_save_attachments (ModestMsgViewWindow *window, GList *mim
 
        if (mime_parts == NULL) {
                mime_parts = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
-               if (mime_parts == NULL)
+               if (mime_parts == NULL || tny_list_get_length (mime_parts) == 0)
                        return;
-               clean_list = TRUE;
+       } else {
+               g_object_ref (mime_parts);
        }
 
        /* prepare dialog */
-       if (mime_parts->next == NULL) {
+       if (tny_list_get_length (mime_parts) == 1) {
+               TnyIterator *iter;
                /* only one attachment selected */
-               TnyMimePart *mime_part = (TnyMimePart *) mime_parts->data;
+               iter = tny_list_create_iterator (mime_parts);
+               TnyMimePart *mime_part = (TnyMimePart *) tny_iterator_get_current (iter);
+               g_object_unref (iter);
                if (!TNY_IS_MSG (mime_part) && tny_mime_part_is_attachment (mime_part)) {
                        filename = tny_mime_part_get_filename (mime_part);
                } else {
                        g_warning ("Tried to save a non-file attachment");
                        canceled = TRUE;
                }
+               g_object_unref (mime_part);
        } else {
                save_multiple_str = g_strdup_printf (_FM("sfil_va_number_of_objects_attachments"), 
-                                                    g_list_length (mime_parts));
+                                                    tny_list_get_length (mime_parts));
        }
        
        save_dialog = hildon_file_chooser_dialog_new (GTK_WINDOW (window), 
@@ -2547,40 +2582,42 @@ modest_msg_view_window_save_attachments (ModestMsgViewWindow *window, GList *mim
                        hildon_banner_show_information 
                                (NULL, NULL, dgettext("hildon-fm", "sfil_ib_readonly_location"));
                } else {
-                       GList *node = NULL;
+                       TnyIterator *iter;
 
-                       for (node = mime_parts; node != NULL; node = g_list_next (node)) {
-                               TnyMimePart *mime_part = (TnyMimePart *) node->data;
-                               
+                       iter = tny_list_create_iterator (mime_parts);
+                       while (!tny_iterator_is_done (iter)) {
+                               TnyMimePart *mime_part = (TnyMimePart *) tny_iterator_get_current (iter);
+
+                               tny_iterator_next (iter);
                                if (tny_mime_part_is_attachment (mime_part)) {
                                        SaveMimePartPair *pair;
 
-                                       if ((mime_parts->next != NULL) &&
-                                           (tny_mime_part_get_filename (mime_part) == NULL))
+                                       if ((!tny_iterator_is_done (iter)) &&
+                                           (tny_mime_part_get_filename (mime_part) == NULL)) {
+                                               g_object_unref (mime_part);
                                                continue;
+                                       }
                                        
                                        pair = g_slice_new0 (SaveMimePartPair);
-                                       if (mime_parts->next == NULL) {
+                                       if (tny_iterator_is_done (iter)) {
                                                pair->filename = g_strdup (chooser_uri);
                                        } else {
                                                pair->filename = 
                                                        g_build_filename (chooser_uri,
                                                                          tny_mime_part_get_filename (mime_part), NULL);
                                        }
-                                       pair->part = g_object_ref (mime_part);
+                                       pair->part = mime_part;
                                        files_to_save = g_list_prepend (files_to_save, pair);
                                }
                        }
+                       g_object_unref (iter);
                }
                g_free (chooser_uri);
        }
 
        gtk_widget_destroy (save_dialog);
 
-       if (clean_list) {
-               g_list_foreach (mime_parts, (GFunc) g_object_unref, NULL);
-               g_list_free (mime_parts);
-       }
+       g_object_unref (mime_parts);
 
        if (files_to_save != NULL) {
                SaveMimePartInfo *info = g_slice_new0 (SaveMimePartInfo);
@@ -2616,11 +2653,12 @@ void
 modest_msg_view_window_remove_attachments (ModestMsgViewWindow *window, gboolean get_all)
 {
        ModestMsgViewWindowPrivate *priv;
-       GList *mime_parts = NULL, *node;
+       TnyList *mime_parts = NULL;
        gchar *confirmation_message;
        gint response;
        gint n_attachments;
        TnyMsg *msg;
+       TnyIterator *iter;
 /*     TnyFolder *folder; */
 
        g_return_if_fail (MODEST_IS_MSG_VIEW_WINDOW (window));
@@ -2632,37 +2670,42 @@ modest_msg_view_window_remove_attachments (ModestMsgViewWindow *window, gboolean
                mime_parts = modest_msg_view_get_selected_attachments (MODEST_MSG_VIEW (priv->msg_view));
                
        /* Remove already purged messages from mime parts list */
-       node = mime_parts;
-       while (node != NULL) {
-               TnyMimePart *part = TNY_MIME_PART (node->data);
+       iter = tny_list_create_iterator (mime_parts);
+       while (!tny_iterator_is_done (iter)) {
+               TnyMimePart *part = TNY_MIME_PART (tny_iterator_get_current (iter));
+               tny_iterator_next (iter);
                if (tny_mime_part_is_purged (part)) {
-                       GList *deleted_node = node;
-                       node = g_list_next (node);
-                       g_object_unref (part);
-                       mime_parts = g_list_delete_link (mime_parts, deleted_node);
-               } else {
-                       node = g_list_next (node);
+                       tny_list_remove (mime_parts, (GObject *) part);
                }
+               g_object_unref (part);
        }
+       g_object_unref (iter);
 
-       if (mime_parts == NULL)
+       if (tny_list_get_length (mime_parts) == 0) {
+               g_object_unref (mime_parts);
                return;
+       }
 
-       n_attachments = g_list_length (mime_parts);
+       n_attachments = tny_list_get_length (mime_parts);
        if (n_attachments == 1) {
                const gchar *filename;
+               TnyMimePart *part;
 
-               if (TNY_IS_MSG (mime_parts->data)) {
+               iter = tny_list_create_iterator (mime_parts);
+               part = (TnyMimePart *) tny_iterator_get_current (iter);
+               g_object_unref (iter);
+               if (TNY_IS_MSG (part)) {
                        TnyHeader *header;
-                       header = tny_msg_get_header (TNY_MSG (mime_parts->data));
+                       header = tny_msg_get_header (TNY_MSG (part));
                        filename = tny_header_get_subject (header);
                        g_object_unref (header);
                        if (filename == NULL)
                                filename = _("mail_va_no_subject");
                } else {
-                       filename = tny_mime_part_get_filename (TNY_MIME_PART (mime_parts->data));
+                       filename = tny_mime_part_get_filename (TNY_MIME_PART (part));
                }
                confirmation_message = g_strdup_printf (_("mcen_nc_purge_file_text"), filename);
+               g_object_unref (part);
        } else {
                confirmation_message = g_strdup_printf (ngettext("mcen_nc_purge_file_text", 
                                                                 "mcen_nc_purge_files_text", 
@@ -2672,8 +2715,10 @@ modest_msg_view_window_remove_attachments (ModestMsgViewWindow *window, gboolean
                                                            confirmation_message);
        g_free (confirmation_message);
 
-       if (response != GTK_RESPONSE_OK)
+       if (response != GTK_RESPONSE_OK) {
+               g_object_unref (mime_parts);
                return;
+       }
 
        priv->purge_timeout = g_timeout_add (2000, show_remove_attachment_information, window);
 /*     folder = tny_msg_get_folder (msg); */
@@ -2681,18 +2726,25 @@ modest_msg_view_window_remove_attachments (ModestMsgViewWindow *window, gboolean
 /*     tny_folder_refresh (folder, NULL); */
 /*     g_object_unref (folder); */
        
-       for (node = mime_parts; node != NULL; node = g_list_next (node)) {
-               tny_mime_part_set_purged (TNY_MIME_PART (node->data));
+       iter = tny_list_create_iterator (mime_parts);
+       while (!tny_iterator_is_done (iter)) {
+               TnyMimePart *part;
+
+               part = (TnyMimePart *) tny_iterator_get_current (iter);
+               tny_mime_part_set_purged (TNY_MIME_PART (part));
 /*             modest_msg_view_remove_attachment (MODEST_MSG_VIEW (priv->msg_view), node->data); */
+               g_object_unref (part);
+               tny_iterator_next (iter);
        }
+       g_object_unref (iter);
 
        msg = tny_msg_view_get_msg (TNY_MSG_VIEW (priv->msg_view));
        tny_msg_view_clear (TNY_MSG_VIEW (priv->msg_view));
        tny_msg_rewrite_cache (msg);
        tny_msg_view_set_msg (TNY_MSG_VIEW (priv->msg_view), msg);
+       g_object_unref (msg);
 
-       g_list_foreach (mime_parts, (GFunc) g_object_unref, NULL);
-       g_list_free (mime_parts);
+       g_object_unref (mime_parts);
 
        if (priv->purge_timeout > 0) {
                g_source_remove (priv->purge_timeout);