Bug 494394 - No way for the user to refresh a calendar

15 files changed, 174 insertions, 3 deletions

diff --git a/modules/calendar/e-cal-shell-sidebar.c b/modules/calendar/e-cal-shell-sidebar.c
index 244136ea0f..573299084a 100644
--- a/modules/calendar/e-cal-shell-sidebar.c
+++ b/modules/calendar/e-cal-shell-sidebar.c
@@ -510,6 +510,7 @@ cal_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 	ESource *source;
 	gboolean can_delete = FALSE;
 	gboolean is_system = FALSE;
+	gboolean refresh_supported = FALSE;
 	guint32 state = 0;
 
 	cal_shell_sidebar = E_CAL_SHELL_SIDEBAR (shell_sidebar);
@@ -517,6 +518,7 @@ cal_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 	source = e_source_selector_peek_primary_selection (selector);
 
 	if (source != NULL) {
+		ECal *client;
 		const gchar *uri;
 		const gchar *delete;
 
@@ -526,6 +528,9 @@ cal_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 		can_delete = !is_system;
 		delete = e_source_get_property (source, "delete");
 		can_delete &= (delete == NULL || strcmp (delete, "no") != 0);
+
+		client = g_hash_table_lookup (cal_shell_sidebar->priv->client_table, e_source_peek_uid (source));
+		refresh_supported = client && e_cal_get_refresh_supported (client);
 	}
 
 	if (source != NULL)
@@ -534,6 +539,8 @@ cal_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 		state |= E_CAL_SHELL_SIDEBAR_CAN_DELETE_PRIMARY_SOURCE;
 	if (is_system)
 		state |= E_CAL_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM;
+	if (refresh_supported)
+		state |= E_CAL_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH;
 
 	return state;
 }
diff --git a/modules/calendar/e-cal-shell-sidebar.h b/modules/calendar/e-cal-shell-sidebar.h
index 47dc9fa191..6169d303d6 100644
--- a/modules/calendar/e-cal-shell-sidebar.h
+++ b/modules/calendar/e-cal-shell-sidebar.h
@@ -57,7 +57,8 @@ typedef struct _ECalShellSidebarPrivate ECalShellSidebarPrivate;
 enum {
 	E_CAL_SHELL_SIDEBAR_HAS_PRIMARY_SOURCE		= 1 << 0,
 	E_CAL_SHELL_SIDEBAR_CAN_DELETE_PRIMARY_SOURCE	= 1 << 1,
-	E_CAL_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM	= 1 << 2
+	E_CAL_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM	= 1 << 2,
+	E_CAL_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH	= 1 << 3
 };
 
 struct _ECalShellSidebar {
diff --git a/modules/calendar/e-cal-shell-view-actions.c b/modules/calendar/e-cal-shell-view-actions.c
index 68da6b2643..a8c8fc1ea4 100644
--- a/modules/calendar/e-cal-shell-view-actions.c
+++ b/modules/calendar/e-cal-shell-view-actions.c
@@ -350,6 +350,35 @@ exit:
 }
 
 static void
+action_calendar_refresh_cb (GtkAction *action,
+                           ECalShellView *cal_shell_view)
+{
+	ECal *client;
+	ECalModel *model;
+	ESource *source;
+	gchar *uri;
+	GError *error = NULL;
+
+	model = e_cal_shell_content_get_model (cal_shell_view->priv->cal_shell_content);
+	source = e_source_selector_peek_primary_selection (e_cal_shell_sidebar_get_selector (cal_shell_view->priv->cal_shell_sidebar));
+	g_return_if_fail (E_IS_SOURCE (source));
+
+	uri = e_source_get_uri (source);
+	client = e_cal_model_get_client_for_uri (model, uri);
+	g_free (uri);
+
+	if (client == NULL)
+		return;
+
+	g_return_if_fail (e_cal_get_refresh_supported (client));
+
+	if (!e_cal_refresh (client, &error) && error) {
+		g_warning ("%s: Failed to refresh '%s', %s\n", G_STRFUNC, e_source_peek_name (source), error->message);
+		g_error_free (error);
+	}
+}
+
+static void
 action_calendar_rename_cb (GtkAction *action,
                            ECalShellView *cal_shell_view)
 {
@@ -1264,6 +1293,13 @@ static GtkActionEntry calendar_entries[] = {
 	  N_("Purge old appointments and meetings"),
 	  G_CALLBACK (action_calendar_purge_cb) },
 
+	{ "calendar-refresh",
+	  GTK_STOCK_REFRESH,
+	  N_("Re_fresh"),
+	  NULL,
+	  N_("Refresh the selected calendar"),
+	  G_CALLBACK (action_calendar_refresh_cb) },
+
 	{ "calendar-rename",
 	  NULL,
 	  N_("_Rename..."),
@@ -1454,6 +1490,10 @@ static EPopupActionEntry calendar_popup_entries[] = {
 	  NULL,
 	  "calendar-properties" },
 
+	{ "calendar-popup-refresh",
+	  NULL,
+	  "calendar-refresh" },
+
 	{ "calendar-popup-rename",
 	  NULL,
 	  "calendar-rename" },
diff --git a/modules/calendar/e-cal-shell-view-actions.h b/modules/calendar/e-cal-shell-view-actions.h
index 94ad66cbc1..a6b1c3d01c 100644
--- a/modules/calendar/e-cal-shell-view-actions.h
+++ b/modules/calendar/e-cal-shell-view-actions.h
@@ -47,6 +47,8 @@
 	E_SHELL_WINDOW_ACTION ((window), "calendar-properties")
 #define E_SHELL_WINDOW_ACTION_CALENDAR_PURGE(window) \
 	E_SHELL_WINDOW_ACTION ((window), "calendar-purge")
+#define E_SHELL_WINDOW_ACTION_CALENDAR_REFRESH(window) \
+	E_SHELL_WINDOW_ACTION ((window), "calendar-refresh")
 #define E_SHELL_WINDOW_ACTION_CALENDAR_RENAME(window) \
 	E_SHELL_WINDOW_ACTION ((window), "calendar-rename")
 #define E_SHELL_WINDOW_ACTION_CALENDAR_SELECT_ONE(window) \
diff --git a/modules/calendar/e-cal-shell-view.c b/modules/calendar/e-cal-shell-view.c
index 396cdec62e..47d734921c 100644
--- a/modules/calendar/e-cal-shell-view.c
+++ b/modules/calendar/e-cal-shell-view.c
@@ -291,6 +291,7 @@ cal_shell_view_update_actions (EShellView *shell_view)
 	gboolean is_meeting = FALSE;
 	gboolean is_delegatable = FALSE;
 	gboolean clipboard_has_calendar;
+	gboolean refresh_supported = FALSE;
 
 	priv = E_CAL_SHELL_VIEW_GET_PRIVATE (shell_view);
 
@@ -367,6 +368,8 @@ cal_shell_view_update_actions (EShellView *shell_view)
 		(state & E_CAL_SHELL_SIDEBAR_CAN_DELETE_PRIMARY_SOURCE);
 	primary_source_is_system =
 		(state & E_CAL_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM);
+	refresh_supported =
+		(state & E_CAL_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH);
 
 	action = ACTION (CALENDAR_COPY);
 	sensitive = has_primary_source;
@@ -380,6 +383,10 @@ cal_shell_view_update_actions (EShellView *shell_view)
 	sensitive = has_primary_source;
 	gtk_action_set_sensitive (action, sensitive);
 
+	action = ACTION (CALENDAR_REFRESH);
+	sensitive = refresh_supported;
+	gtk_action_set_sensitive (action, sensitive);
+
 	action = ACTION (CALENDAR_RENAME);
 	sensitive = can_delete_primary_source;
 	gtk_action_set_sensitive (action, sensitive);
diff --git a/modules/calendar/e-memo-shell-sidebar.c b/modules/calendar/e-memo-shell-sidebar.c
index 6da89988c8..dee57e0d26 100644
--- a/modules/calendar/e-memo-shell-sidebar.c
+++ b/modules/calendar/e-memo-shell-sidebar.c
@@ -455,6 +455,7 @@ memo_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 	ESource *source;
 	gboolean can_delete = FALSE;
 	gboolean is_system = FALSE;
+	gboolean refresh_supported = FALSE;
 	guint32 state = 0;
 
 	memo_shell_sidebar = E_MEMO_SHELL_SIDEBAR (shell_sidebar);
@@ -462,6 +463,7 @@ memo_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 	source = e_source_selector_peek_primary_selection (selector);
 
 	if (source != NULL) {
+		ECal *client;
 		const gchar *uri;
 		const gchar *delete;
 
@@ -471,6 +473,9 @@ memo_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 		can_delete = !is_system;
 		delete = e_source_get_property (source, "delete");
 		can_delete &= (delete == NULL || strcmp (delete, "no") != 0);
+
+		client = g_hash_table_lookup (memo_shell_sidebar->priv->client_table, e_source_peek_uid (source));
+		refresh_supported = client && e_cal_get_refresh_supported (client);
 	}
 
 	if (source != NULL)
@@ -479,6 +484,8 @@ memo_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 		state |= E_MEMO_SHELL_SIDEBAR_CAN_DELETE_PRIMARY_SOURCE;
 	if (is_system)
 		state |= E_MEMO_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM;
+	if (refresh_supported)
+		state |= E_MEMO_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH;
 
 	return state;
 }
diff --git a/modules/calendar/e-memo-shell-sidebar.h b/modules/calendar/e-memo-shell-sidebar.h
index 5df8089668..8eabee103d 100644
--- a/modules/calendar/e-memo-shell-sidebar.h
+++ b/modules/calendar/e-memo-shell-sidebar.h
@@ -56,7 +56,8 @@ typedef struct _EMemoShellSidebarPrivate EMemoShellSidebarPrivate;
 enum {
 	E_MEMO_SHELL_SIDEBAR_HAS_PRIMARY_SOURCE		= 1 << 0,
 	E_MEMO_SHELL_SIDEBAR_CAN_DELETE_PRIMARY_SOURCE	= 1 << 1,
-	E_MEMO_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM	= 1 << 2
+	E_MEMO_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM	= 1 << 2,
+	E_MEMO_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH	= 1 << 3
 };
 
 struct _EMemoShellSidebar {
diff --git a/modules/calendar/e-memo-shell-view-actions.c b/modules/calendar/e-memo-shell-view-actions.c
index 734a7c522d..c36b4569c4 100644
--- a/modules/calendar/e-memo-shell-view-actions.c
+++ b/modules/calendar/e-memo-shell-view-actions.c
@@ -292,6 +292,35 @@ action_memo_list_properties_cb (GtkAction *action,
 }
 
 static void
+action_memo_list_refresh_cb (GtkAction *action,
+                            EMemoShellView *memo_shell_view)
+{
+	ECal *client;
+	ECalModel *model;
+	ESource *source;
+	gchar *uri;
+	GError *error = NULL;
+
+	model = e_memo_shell_content_get_memo_model (memo_shell_view->priv->memo_shell_content);
+	source = e_source_selector_peek_primary_selection (e_memo_shell_sidebar_get_selector (memo_shell_view->priv->memo_shell_sidebar));
+	g_return_if_fail (E_IS_SOURCE (source));
+
+	uri = e_source_get_uri (source);
+	client = e_cal_model_get_client_for_uri (model, uri);
+	g_free (uri);
+
+	if (client == NULL)
+		return;
+
+	g_return_if_fail (e_cal_get_refresh_supported (client));
+
+	if (!e_cal_refresh (client, &error) && error) {
+		g_warning ("%s: Failed to refresh '%s', %s\n", G_STRFUNC, e_source_peek_name (source), error->message);
+		g_error_free (error);
+	}
+}
+
+static void
 action_memo_list_rename_cb (GtkAction *action,
                             EMemoShellView *memo_shell_view)
 {
@@ -624,6 +653,13 @@ static GtkActionEntry memo_entries[] = {
 	  NULL,  /* XXX Add a tooltip! */
 	  G_CALLBACK (action_memo_list_properties_cb) },
 
+	{ "memo-list-refresh",
+	  GTK_STOCK_REFRESH,
+	  N_("Re_fresh"),
+	  NULL,
+	  N_("Refresh the selected memo list"),
+	  G_CALLBACK (action_memo_list_refresh_cb) },
+
 	{ "memo-list-rename",
 	  NULL,
 	  N_("_Rename..."),
@@ -683,6 +719,10 @@ static EPopupActionEntry memo_popup_entries[] = {
 	  NULL,
 	  "memo-list-properties" },
 
+	{ "memo-list-popup-refresh",
+	  NULL,
+	  "memo-list-refresh" },
+
 	{ "memo-list-popup-rename",
 	  NULL,
 	  "memo-list-rename" },
diff --git a/modules/calendar/e-memo-shell-view-actions.h b/modules/calendar/e-memo-shell-view-actions.h
index 9fe4d6964d..cb4309c18a 100644
--- a/modules/calendar/e-memo-shell-view-actions.h
+++ b/modules/calendar/e-memo-shell-view-actions.h
@@ -65,6 +65,8 @@
 	E_SHELL_WINDOW_ACTION ((window), "memo-list-print-preview")
 #define E_SHELL_WINDOW_ACTION_MEMO_LIST_PROPERTIES(window) \
 	E_SHELL_WINDOW_ACTION ((window), "memo-list-properties")
+#define E_SHELL_WINDOW_ACTION_MEMO_LIST_REFRESH(window) \
+	E_SHELL_WINDOW_ACTION ((window), "memo-list-refresh")
 #define E_SHELL_WINDOW_ACTION_MEMO_LIST_RENAME(window) \
 	E_SHELL_WINDOW_ACTION ((window), "memo-list-rename")
 #define E_SHELL_WINDOW_ACTION_MEMO_LIST_SELECT_ONE(window) \
diff --git a/modules/calendar/e-memo-shell-view.c b/modules/calendar/e-memo-shell-view.c
index 242bdfce92..206e50c961 100644
--- a/modules/calendar/e-memo-shell-view.c
+++ b/modules/calendar/e-memo-shell-view.c
@@ -176,6 +176,7 @@ memo_shell_view_update_actions (EShellView *shell_view)
 	gboolean selection_has_url;
 	gboolean single_memo_selected;
 	gboolean sources_are_editable;
+	gboolean refresh_supported;
 
 	priv = E_MEMO_SHELL_VIEW_GET_PRIVATE (shell_view);
 
@@ -204,6 +205,8 @@ memo_shell_view_update_actions (EShellView *shell_view)
 		(state & E_MEMO_SHELL_SIDEBAR_CAN_DELETE_PRIMARY_SOURCE);
 	primary_source_is_system =
 		(state & E_MEMO_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM);
+	refresh_supported =
+		(state & E_MEMO_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH);
 
 	any_memos_selected =
 		(single_memo_selected || multiple_memos_selected);
@@ -245,6 +248,10 @@ memo_shell_view_update_actions (EShellView *shell_view)
 	sensitive = has_primary_source;
 	gtk_action_set_sensitive (action, sensitive);
 
+	action = ACTION (MEMO_LIST_REFRESH);
+	sensitive = refresh_supported;
+	gtk_action_set_sensitive (action, sensitive);
+
 	action = ACTION (MEMO_LIST_RENAME);
 	sensitive = can_delete_primary_source;
 	gtk_action_set_sensitive (action, sensitive);
diff --git a/modules/calendar/e-task-shell-sidebar.c b/modules/calendar/e-task-shell-sidebar.c
index 9107d65464..df3761f444 100644
--- a/modules/calendar/e-task-shell-sidebar.c
+++ b/modules/calendar/e-task-shell-sidebar.c
@@ -453,6 +453,7 @@ task_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 	ESource *source;
 	gboolean can_delete = FALSE;
 	gboolean is_system = FALSE;
+	gboolean refresh_supported = FALSE;
 	guint32 state = 0;
 
 	task_shell_sidebar = E_TASK_SHELL_SIDEBAR (shell_sidebar);
@@ -460,6 +461,7 @@ task_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 	source = e_source_selector_peek_primary_selection (selector);
 
 	if (source != NULL) {
+		ECal *client;
 		const gchar *uri;
 		const gchar *delete;
 
@@ -469,6 +471,9 @@ task_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 		can_delete = !is_system;
 		delete = e_source_get_property (source, "delete");
 		can_delete &= (delete == NULL || strcmp (delete, "no") != 0);
+
+		client = g_hash_table_lookup (task_shell_sidebar->priv->client_table, e_source_peek_uid (source));
+		refresh_supported = client && e_cal_get_refresh_supported (client);
 	}
 
 	if (source != NULL)
@@ -477,6 +482,8 @@ task_shell_sidebar_check_state (EShellSidebar *shell_sidebar)
 		state |= E_TASK_SHELL_SIDEBAR_CAN_DELETE_PRIMARY_SOURCE;
 	if (is_system)
 		state |= E_TASK_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM;
+	if (refresh_supported)
+		state |= E_TASK_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH;
 
 	return state;
 }
diff --git a/modules/calendar/e-task-shell-sidebar.h b/modules/calendar/e-task-shell-sidebar.h
index 81021b8cda..6a18279753 100644
--- a/modules/calendar/e-task-shell-sidebar.h
+++ b/modules/calendar/e-task-shell-sidebar.h
@@ -56,7 +56,8 @@ typedef struct _ETaskShellSidebarPrivate ETaskShellSidebarPrivate;
 enum {
 	E_TASK_SHELL_SIDEBAR_HAS_PRIMARY_SOURCE		= 1 << 0,
 	E_TASK_SHELL_SIDEBAR_CAN_DELETE_PRIMARY_SOURCE	= 1 << 1,
-	E_TASK_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM	= 1 << 2
+	E_TASK_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM	= 1 << 2,
+	E_TASK_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH	= 1 << 3
 };
 
 struct _ETaskShellSidebar {
diff --git a/modules/calendar/e-task-shell-view-actions.c b/modules/calendar/e-task-shell-view-actions.c
index 06177784ce..872cd785fe 100644
--- a/modules/calendar/e-task-shell-view-actions.c
+++ b/modules/calendar/e-task-shell-view-actions.c
@@ -323,6 +323,35 @@ action_task_list_properties_cb (GtkAction *action,
 }
 
 static void
+action_task_list_refresh_cb (GtkAction *action,
+                            ETaskShellView *task_shell_view)
+{
+	ECal *client;
+	ECalModel *model;
+	ESource *source;
+	gchar *uri;
+	GError *error = NULL;
+
+	model = e_task_shell_content_get_task_model (task_shell_view->priv->task_shell_content);
+	source = e_source_selector_peek_primary_selection (e_task_shell_sidebar_get_selector (task_shell_view->priv->task_shell_sidebar));
+	g_return_if_fail (E_IS_SOURCE (source));
+
+	uri = e_source_get_uri (source);
+	client = e_cal_model_get_client_for_uri (model, uri);
+	g_free (uri);
+
+	if (client == NULL)
+		return;
+
+	g_return_if_fail (e_cal_get_refresh_supported (client));
+
+	if (!e_cal_refresh (client, &error) && error) {
+		g_warning ("%s: Failed to refresh '%s', %s\n", G_STRFUNC, e_source_peek_name (source), error->message);
+		g_error_free (error);
+	}
+}
+
+static void
 action_task_list_rename_cb (GtkAction *action,
                             ETaskShellView *task_shell_view)
 {
@@ -748,6 +777,13 @@ static GtkActionEntry task_entries[] = {
 	  NULL,  /* XXX Add a tooltip! */
 	  G_CALLBACK (action_task_list_properties_cb) },
 
+	{ "task-list-refresh",
+	  GTK_STOCK_REFRESH,
+	  N_("Re_fresh"),
+	  NULL,
+	  N_("Refresh the selected task list"),
+	  G_CALLBACK (action_task_list_refresh_cb) },
+
 	{ "task-list-rename",
 	  NULL,
 	  N_("_Rename..."),
@@ -835,6 +871,10 @@ static EPopupActionEntry task_popup_entries[] = {
 	  NULL,
 	  "task-list-properties" },
 
+	{ "task-list-popup-refresh",
+	  NULL,
+	  "task-list-refresh" },
+
 	{ "task-list-popup-rename",
 	  NULL,
 	  "task-list-rename" },
diff --git a/modules/calendar/e-task-shell-view-actions.h b/modules/calendar/e-task-shell-view-actions.h
index 6c2d5d51b6..3d49ff636e 100644
--- a/modules/calendar/e-task-shell-view-actions.h
+++ b/modules/calendar/e-task-shell-view-actions.h
@@ -73,6 +73,8 @@
 	E_SHELL_WINDOW_ACTION ((window), "task-list-print-preview")
 #define E_SHELL_WINDOW_ACTION_TASK_LIST_PROPERTIES(window) \
 	E_SHELL_WINDOW_ACTION ((window), "task-list-properties")
+#define E_SHELL_WINDOW_ACTION_TASK_LIST_REFRESH(window) \
+	E_SHELL_WINDOW_ACTION ((window), "task-list-refresh")
 #define E_SHELL_WINDOW_ACTION_TASK_LIST_RENAME(window) \
 	E_SHELL_WINDOW_ACTION ((window), "task-list-rename")
 #define E_SHELL_WINDOW_ACTION_TASK_LIST_SELECT_ONE(window) \
diff --git a/modules/calendar/e-task-shell-view.c b/modules/calendar/e-task-shell-view.c
index 8518a6dcb1..9558eb77c0 100644
--- a/modules/calendar/e-task-shell-view.c
+++ b/modules/calendar/e-task-shell-view.c
@@ -291,6 +291,7 @@ task_shell_view_update_actions (EShellView *shell_view)
 	gboolean some_tasks_incomplete;
 	gboolean sources_are_editable;
 	gboolean clipboard_has_calendar;
+	gboolean refresh_supported;
 
 	priv = E_TASK_SHELL_VIEW_GET_PRIVATE (shell_view);
 
@@ -325,6 +326,8 @@ task_shell_view_update_actions (EShellView *shell_view)
 		(state & E_TASK_SHELL_SIDEBAR_CAN_DELETE_PRIMARY_SOURCE);
 	primary_source_is_system =
 		(state & E_TASK_SHELL_SIDEBAR_PRIMARY_SOURCE_IS_SYSTEM);
+	refresh_supported =
+		(state & E_TASK_SHELL_SIDEBAR_SOURCE_SUPPORTS_REFRESH);
 
 	any_tasks_selected =
 		(single_task_selected || multiple_tasks_selected);
@@ -372,6 +375,10 @@ task_shell_view_update_actions (EShellView *shell_view)
 	sensitive = has_primary_source;
 	gtk_action_set_sensitive (action, sensitive);
 
+	action = ACTION (TASK_LIST_REFRESH);
+	sensitive = refresh_supported;
+	gtk_action_set_sensitive (action, sensitive);
+
 	action = ACTION (TASK_LIST_RENAME);
 	sensitive = can_delete_primary_source;
 	gtk_action_set_sensitive (action, sensitive);