Add e_cal_model_ref_default_client().

Replaces e_cal_model_get_default_client(), which was not thread-safe.

12 files changed, 100 insertions, 62 deletions

diff --git a/calendar/gui/dialogs/goto-dialog.c b/calendar/gui/dialogs/goto-dialog.c
index 64c40ff285..7919666d7c 100644
--- a/calendar/gui/dialogs/goto-dialog.c
+++ b/calendar/gui/dialogs/goto-dialog.c
@@ -96,9 +96,12 @@ ecal_date_range_changed (ECalendarItem *calitem,
 	ECalClient *client;
 
 	model = gnome_calendar_get_model (dlg->gcal);
-	client = e_cal_model_get_default_client (model);
-	if (client)
+	client = e_cal_model_ref_default_client (model);
+
+	if (client != NULL) {
 		tag_calendar_by_client (dlg->ecal, client, dlg->cancellable);
+		g_object_unref (client);
+	}
 }
 
 /* Event handler for day groups in the month item.  A button press makes
diff --git a/calendar/gui/e-cal-model.c b/calendar/gui/e-cal-model.c
index 62c9188077..0aff1ce929 100644
--- a/calendar/gui/e-cal-model.c
+++ b/calendar/gui/e-cal-model.c
@@ -545,9 +545,9 @@ cal_model_get_property (GObject *object,
 			return;
 
 		case PROP_DEFAULT_CLIENT:
-			g_value_set_object (
+			g_value_take_object (
 				value,
-				e_cal_model_get_default_client (
+				e_cal_model_ref_default_client (
 				E_CAL_MODEL (object)));
 			return;
 
@@ -1736,18 +1736,20 @@ e_cal_model_test_row_editable (ECalModel *model,
 
 		comp_data = e_cal_model_get_component_at (model, row);
 
-		if (comp_data)
-			client = comp_data->client;
+		if (comp_data != NULL && comp_data->client != NULL)
+			client = g_object_ref (comp_data->client);
 
 	} else {
-		client = e_cal_model_get_default_client (model);
+		client = e_cal_model_ref_default_client (model);
 	}
 
-	readonly = client == NULL;
+	readonly = (client == NULL);
 
 	if (!readonly)
 		readonly = e_client_is_readonly (E_CLIENT (client));
 
+	g_clear_object (&client);
+
 	return !readonly;
 }
 
@@ -1797,11 +1799,9 @@ ecm_append_row (ETableModel *etm,
 
 	comp_data = g_object_new (E_TYPE_CAL_MODEL_COMPONENT, NULL);
 
-	comp_data->client = e_cal_model_get_default_client (model);
-	if (comp_data->client)
-		g_object_ref (comp_data->client);
+	comp_data->client = e_cal_model_ref_default_client (model);
 
-	if (!comp_data->client) {
+	if (comp_data->client == NULL) {
 		g_object_unref (comp_data);
 		return;
 	}
@@ -2559,7 +2559,7 @@ e_cal_model_set_work_day_start_minute (ECalModel *model,
 }
 
 ECalClient *
-e_cal_model_get_default_client (ECalModel *model)
+e_cal_model_ref_default_client (ECalModel *model)
 {
 	ClientData *client_data;
 	ECalClient *default_client = NULL;
@@ -2568,11 +2568,11 @@ e_cal_model_get_default_client (ECalModel *model)
 	g_return_val_if_fail (E_IS_CAL_MODEL (model), NULL);
 
 	if (model->priv->default_client != NULL)
-		return model->priv->default_client;
+		return g_object_ref (model->priv->default_client);
 
 	client_data = cal_model_clients_peek (model);
 	if (client_data != NULL) {
-		default_client = client_data->client;
+		default_client = g_object_ref (client_data->client);
 		client_data_unref (client_data);
 	}
 
@@ -3788,8 +3788,8 @@ e_cal_model_create_component_with_defaults (ECalModel *model,
 
 	priv = model->priv;
 
-	client = e_cal_model_get_default_client (model);
-	if (!client)
+	client = e_cal_model_ref_default_client (model);
+	if (client == NULL)
 		return icalcomponent_new (priv->kind);
 
 	switch (priv->kind) {
@@ -3810,6 +3810,8 @@ e_cal_model_create_component_with_defaults (ECalModel *model,
 		return NULL;
 	}
 
+	g_object_unref (client);
+
 	if (!comp)
 		return icalcomponent_new (priv->kind);
 
diff --git a/calendar/gui/e-cal-model.h b/calendar/gui/e-cal-model.h
index f42ddd2937..4e189ab186 100644
--- a/calendar/gui/e-cal-model.h
+++ b/calendar/gui/e-cal-model.h
@@ -250,7 +250,7 @@ gint		e_cal_model_get_work_day_start_minute
 void		e_cal_model_set_work_day_start_minute
 						(ECalModel *model,
 						 gint work_day_start_minute);
-ECalClient *	e_cal_model_get_default_client	(ECalModel *model);
+ECalClient *	e_cal_model_ref_default_client	(ECalModel *model);
 void		e_cal_model_set_default_client	(ECalModel *model,
 						 ECalClient *client);
 GList *		e_cal_model_list_clients	(ECalModel *model);
diff --git a/calendar/gui/e-calendar-view.c b/calendar/gui/e-calendar-view.c
index cf01231502..8228e68285 100644
--- a/calendar/gui/e-calendar-view.c
+++ b/calendar/gui/e-calendar-view.c
@@ -622,15 +622,15 @@ clipboard_get_calendar_data (ECalendarView *cal_view,
 	if (!icalcomp)
 		return FALSE;
 
-	default_zone = e_cal_model_get_timezone (cal_view->priv->model);
-	client = e_cal_model_get_default_client (cal_view->priv->model);
-
 	/* check the type of the component */
 	/* FIXME An error dialog if we return? */
 	kind = icalcomponent_isa (icalcomp);
 	if (kind != ICAL_VCALENDAR_COMPONENT && kind != ICAL_VEVENT_COMPONENT)
 		return FALSE;
 
+	default_zone = e_cal_model_get_timezone (cal_view->priv->model);
+	client = e_cal_model_ref_default_client (cal_view->priv->model);
+
 #if 0  /* KILL-BONOBO */
 	e_calendar_view_set_status_message (cal_view, _("Updating objects"), -1);
 #endif
@@ -688,6 +688,8 @@ clipboard_get_calendar_data (ECalendarView *cal_view,
 			*copied_list = g_slist_prepend (*copied_list, g_strdup (icalcomponent_get_uid (icalcomp)));
 	}
 
+	g_object_unref (client);
+
 	return ret;
 
 #if 0  /* KILL-BONOBO */
@@ -1517,7 +1519,7 @@ e_calendar_view_new_appointment_for (ECalendarView *cal_view,
 
 	priv = cal_view->priv;
 
-	default_client = e_cal_model_get_default_client (priv->model);
+	default_client = e_cal_model_ref_default_client (priv->model);
 	g_return_if_fail (default_client != NULL);
 
 	dt.value = &itt;
@@ -1571,6 +1573,8 @@ e_calendar_view_new_appointment_for (ECalendarView *cal_view,
 		cal_view, default_client, icalcomp, flags);
 
 	g_object_unref (comp);
+
+	g_object_unref (default_client);
 }
 
 /**
diff --git a/calendar/gui/e-day-view.c b/calendar/gui/e-day-view.c
index 4f0ca4e2bd..541b62ac20 100644
--- a/calendar/gui/e-day-view.c
+++ b/calendar/gui/e-day-view.c
@@ -613,7 +613,7 @@ e_day_view_add_new_event_in_selected_range (EDayView *day_view,
 	icalcomponent *icalcomp;
 	ECalClient *client;
 	ECalModel *model;
-	ECalComponent *comp;
+	ECalComponent *comp = NULL;
 	gint day, event_num;
 	time_t dtstart, dtend;
 	ECalComponentDateTime start_dt, end_dt;
@@ -621,19 +621,20 @@ e_day_view_add_new_event_in_selected_range (EDayView *day_view,
 	const gchar *uid;
 	AddEventData add_event_data;
 	ESourceRegistry *registry;
+	gboolean success = FALSE;
 
 	model = e_calendar_view_get_model (E_CALENDAR_VIEW (day_view));
 
 	registry = e_cal_model_get_registry (model);
-	client = e_cal_model_get_default_client (model);
+	client = e_cal_model_ref_default_client (model);
 
 	/* Check if the client is read only */
 	if (e_client_is_readonly (E_CLIENT (client)))
-		return FALSE;
+		goto exit;
 
 	icalcomp = e_cal_model_create_component_with_defaults (model, day_view->selection_in_top_canvas);
 	if (!icalcomp)
-		return FALSE;
+		goto exit;
 
 	uid = icalcomponent_get_uid (icalcomp);
 
@@ -684,14 +685,18 @@ e_day_view_add_new_event_in_selected_range (EDayView *day_view,
 
 	if (!e_day_view_find_event_from_uid (day_view, client, uid, NULL, &day, &event_num)) {
 		g_warning ("Couldn't find event to start editing.\n");
-		g_object_unref (comp);
-		return FALSE;
+		goto exit;
 	}
 
 	e_day_view_start_editing_event (day_view, day, event_num, key_event);
 
-	g_object_unref (comp);
-	return TRUE;
+	success = TRUE;
+
+exit:
+	g_clear_object (&comp);
+	g_clear_object (&client);
+
+	return success;
 }
 
 static void
@@ -4993,7 +4998,7 @@ e_day_view_add_event (ESourceRegistry *registry,
 	} else {
 		event.comp_data = g_object_new (E_TYPE_CAL_MODEL_COMPONENT, NULL);
 
-		event.comp_data->client = g_object_ref (e_cal_model_get_default_client (e_calendar_view_get_model (E_CALENDAR_VIEW (add_event_data->day_view))));
+		event.comp_data->client = e_cal_model_ref_default_client (e_calendar_view_get_model (E_CALENDAR_VIEW (add_event_data->day_view)));
 		e_cal_component_abort_sequence (comp);
 		event.comp_data->icalcomp = icalcomponent_new_clone (e_cal_component_get_icalcomponent (comp));
 	}
@@ -8309,7 +8314,6 @@ e_day_view_on_top_canvas_drag_data_received (GtkWidget *widget,
 	struct icaltimetype itt;
 	time_t dt;
 	gboolean all_day_event;
-	ECalClient *client;
 	ECalModel *model;
 	ECalendarView *cal_view;
 	gboolean drag_from_same_window;
@@ -8332,7 +8336,6 @@ e_day_view_on_top_canvas_drag_data_received (GtkWidget *widget,
 	model = e_calendar_view_get_model (cal_view);
 
 	registry = e_cal_model_get_registry (model);
-	client = e_cal_model_get_default_client (model);
 
 	/* Note that we only support DnD within the EDayView at present. */
 	if (length >= 0 && format == 8 && day_view->drag_event_day != -1) {
@@ -8344,6 +8347,7 @@ e_day_view_on_top_canvas_drag_data_received (GtkWidget *widget,
 			NULL);
 		if (pos != E_CALENDAR_VIEW_POS_OUTSIDE) {
 			CalObjModType mod = CALOBJ_MOD_ALL;
+			ECalClient *client;
 			GtkWindow *toplevel;
 
 			num_days = 1;
@@ -8483,6 +8487,8 @@ e_day_view_on_top_canvas_drag_data_received (GtkWidget *widget,
 	}
 
 	if (length >= 0 && format == 8 && !drag_from_same_window) {
+		ECalClient *client;
+
 		/* We are dragging between different window */
 
 		icalcomponent *icalcomp;
@@ -8510,6 +8516,8 @@ e_day_view_on_top_canvas_drag_data_received (GtkWidget *widget,
 
 		dtstart = day_view->day_starts[day];
 
+		client = e_cal_model_ref_default_client (model);
+
 		if (kind == ICAL_VCALENDAR_COMPONENT) {
 			icalcomponent_kind child_kind;
 			icalcomponent *subcomp;
@@ -8541,6 +8549,8 @@ e_day_view_on_top_canvas_drag_data_received (GtkWidget *widget,
 			e_calendar_view_add_event (E_CALENDAR_VIEW (day_view), client, dtstart, default_zone, icalcomp, TRUE);
 		}
 
+		g_object_unref (client);
+
 		gtk_drag_finish (context, TRUE, TRUE, time);
 		return;
 	}
@@ -8571,7 +8581,6 @@ e_day_view_on_main_canvas_drag_data_received (GtkWidget *widget,
 	ESourceRegistry *registry;
 	struct icaltimetype itt;
 	time_t dt;
-	ECalClient *client;
 	gboolean drag_from_same_window;
 	const guchar *data;
 	gint format, length;
@@ -8591,8 +8600,6 @@ e_day_view_on_main_canvas_drag_data_received (GtkWidget *widget,
 	else
 		drag_from_same_window = FALSE;
 
-	client = e_cal_model_get_default_client (e_calendar_view_get_model (E_CALENDAR_VIEW (day_view)));
-
 	gnome_canvas_get_scroll_offsets (
 		GNOME_CANVAS (widget),
 		&scroll_x, &scroll_y);
@@ -8609,6 +8616,7 @@ e_day_view_on_main_canvas_drag_data_received (GtkWidget *widget,
 			&row, NULL);
 		if (pos != E_CALENDAR_VIEW_POS_OUTSIDE) {
 			CalObjModType mod = CALOBJ_MOD_ALL;
+			ECalClient *client;
 			GtkWindow *toplevel;
 
 			num_rows = 1;
@@ -8721,6 +8729,8 @@ e_day_view_on_main_canvas_drag_data_received (GtkWidget *widget,
 	}
 
 	if (length >= 0 && format == 8 && !drag_from_same_window) {
+		ECalClient *client;
+
 		/* We are dragging between different window */
 
 		icalcomponent *icalcomp;
@@ -8748,6 +8758,8 @@ e_day_view_on_main_canvas_drag_data_received (GtkWidget *widget,
 
 		dtstart = e_day_view_convert_grid_position_to_time (day_view, day, row);
 
+		client = e_cal_model_ref_default_client (model);
+
 		if (kind == ICAL_VCALENDAR_COMPONENT) {
 			icalcomponent_kind child_kind;
 			icalcomponent *subcomp;
@@ -8779,6 +8791,8 @@ e_day_view_on_main_canvas_drag_data_received (GtkWidget *widget,
 			e_calendar_view_add_event (E_CALENDAR_VIEW (day_view), client, dtstart, default_zone, icalcomp, FALSE);
 		}
 
+		g_object_unref (client);
+
 		gtk_drag_finish (context, TRUE, TRUE, time);
 		return;
 	}
diff --git a/calendar/gui/e-memo-table.c b/calendar/gui/e-memo-table.c
index ea8f645acc..f229bcf7a2 100644
--- a/calendar/gui/e-memo-table.c
+++ b/calendar/gui/e-memo-table.c
@@ -858,7 +858,7 @@ clipboard_get_calendar_data (EMemoTable *memo_table,
 	}
 
 	model = e_memo_table_get_model (memo_table);
-	client = e_cal_model_get_default_client (model);
+	client = e_cal_model_ref_default_client (model);
 
 	status_message = _("Updating objects");
 	memo_table_emit_status_message (memo_table, status_message, -1.0);
@@ -931,6 +931,8 @@ clipboard_get_calendar_data (EMemoTable *memo_table,
 	}
 
 	memo_table_emit_status_message (memo_table, NULL, -1.0);
+
+	g_object_unref (client);
 }
 
 static void
diff --git a/calendar/gui/e-task-table.c b/calendar/gui/e-task-table.c
index 6f7fb83317..0ec834ff6b 100644
--- a/calendar/gui/e-task-table.c
+++ b/calendar/gui/e-task-table.c
@@ -1156,7 +1156,7 @@ clipboard_get_calendar_data (ETaskTable *task_table,
 	}
 
 	model = e_task_table_get_model (task_table);
-	client = e_cal_model_get_default_client (model);
+	client = e_cal_model_ref_default_client (model);
 
 	status_message = _("Updating objects");
 	task_table_emit_status_message (task_table, status_message, -1.0);
@@ -1229,6 +1229,8 @@ clipboard_get_calendar_data (ETaskTable *task_table,
 	}
 
 	task_table_emit_status_message (task_table, NULL, -1.0);
+
+	g_object_unref (client);
 }
 
 static void
diff --git a/calendar/gui/e-week-view.c b/calendar/gui/e-week-view.c
index 7af4d8590c..8d1e8815de 100644
--- a/calendar/gui/e-week-view.c
+++ b/calendar/gui/e-week-view.c
@@ -566,7 +566,7 @@ e_week_view_add_new_event_in_selected_range (EWeekView *week_view,
 {
 	ECalClient *client;
 	ECalModel *model;
-	ECalComponent *comp;
+	ECalComponent *comp = NULL;
 	icalcomponent *icalcomp;
 	gint event_num;
 	ECalComponentDateTime date;
@@ -576,17 +576,19 @@ e_week_view_add_new_event_in_selected_range (EWeekView *week_view,
 	AddEventData add_event_data;
 	EWeekViewEvent *wvevent;
 	EWeekViewEventSpan *span;
+	gboolean success = FALSE;
 
-	/* Check if the client is read only */
 	model = e_calendar_view_get_model (E_CALENDAR_VIEW (week_view));
-	client = e_cal_model_get_default_client (model);
+	client = e_cal_model_ref_default_client (model);
+
+	/* Check if the client is read only */
 	if (e_client_is_readonly (E_CLIENT (client)))
-		return FALSE;
+		goto exit;
 
 	/* Add a new event covering the selected range. */
 	icalcomp = e_cal_model_create_component_with_defaults (e_calendar_view_get_model (E_CALENDAR_VIEW (week_view)), TRUE);
 	if (!icalcomp)
-		return FALSE;
+		goto exit;
 	uid = icalcomponent_get_uid (icalcomp);
 
 	comp = e_cal_component_new ();
@@ -625,18 +627,17 @@ e_week_view_add_new_event_in_selected_range (EWeekView *week_view,
 
 	if (!e_week_view_find_event_from_uid (week_view, client, uid, NULL, &event_num)) {
 		g_warning ("Couldn't find event to start editing.\n");
-		g_object_unref (comp);
-		return FALSE;
+		goto exit;
 	}
 
 	if (!is_array_index_in_bounds (week_view->events, event_num))
-		return FALSE;
+		goto exit;
 
 	wvevent = &g_array_index (week_view->events, EWeekViewEvent,
 				  event_num);
 
 	if (!is_array_index_in_bounds (week_view->spans, wvevent->spans_index + 0))
-		return FALSE;
+		goto exit;
 
 	span = &g_array_index (week_view->spans, EWeekViewEventSpan,
 			       wvevent->spans_index + 0);
@@ -645,17 +646,19 @@ e_week_view_add_new_event_in_selected_range (EWeekView *week_view,
 	if (!span->text_item) {
 		e_week_view_foreach_event_with_uid (week_view, uid,
 				e_week_view_remove_event_cb, NULL);
-		g_object_unref (comp);
-		return FALSE;
-	} else {
-		e_week_view_start_editing_event (
-			week_view, event_num, 0,
-			(gchar *) initial_text);
+		goto exit;
 	}
 
-	g_object_unref (comp);
+	e_week_view_start_editing_event (
+		week_view, event_num, 0, (gchar *) initial_text);
 
-	return TRUE;
+	success = TRUE;
+
+exit:
+	g_clear_object (&comp);
+	g_clear_object (&client);
+
+	return success;
 }
 
 static void
@@ -3017,7 +3020,7 @@ e_week_view_add_event (ECalComponent *comp,
 	} else {
 		event.comp_data = g_object_new (E_TYPE_CAL_MODEL_COMPONENT, NULL);
 
-		event.comp_data->client = g_object_ref (e_cal_model_get_default_client (e_calendar_view_get_model (E_CALENDAR_VIEW (add_event_data->week_view))));
+		event.comp_data->client = e_cal_model_ref_default_client (e_calendar_view_get_model (E_CALENDAR_VIEW (add_event_data->week_view)));
 		e_cal_component_abort_sequence (comp);
 		event.comp_data->icalcomp = icalcomponent_new_clone (e_cal_component_get_icalcomponent (comp));
 	}
diff --git a/modules/calendar/e-memo-shell-view-actions.c b/modules/calendar/e-memo-shell-view-actions.c
index 5e30e24fcf..f0c16bb99a 100644
--- a/modules/calendar/e-memo-shell-view-actions.c
+++ b/modules/calendar/e-memo-shell-view-actions.c
@@ -387,12 +387,12 @@ action_memo_new_cb (GtkAction *action,
 		ECalModel *model;
 
 		model = e_memo_table_get_model (memo_table);
-		client = e_cal_model_get_default_client (model);
+		client = e_cal_model_ref_default_client (model);
 	} else {
 		ECalModelComponent *comp_data;
 
 		comp_data = list->data;
-		client = comp_data->client;
+		client = g_object_ref (comp_data->client);
 		g_slist_free (list);
 	}
 
@@ -406,6 +406,8 @@ action_memo_new_cb (GtkAction *action,
 	gtk_window_present (GTK_WINDOW (editor));
 
 	g_object_unref (comp);
+
+	g_object_unref (client);
 }
 
 static void
diff --git a/modules/calendar/e-memo-shell-view-private.c b/modules/calendar/e-memo-shell-view-private.c
index 50b9e5f8aa..a84a44134d 100644
--- a/modules/calendar/e-memo-shell-view-private.c
+++ b/modules/calendar/e-memo-shell-view-private.c
@@ -37,11 +37,13 @@ memo_shell_view_model_row_appended_cb (EMemoShellView *memo_shell_view,
 
 	/* This is the "Click to Add" handler. */
 
-	client = e_cal_model_get_default_client (model);
+	client = e_cal_model_ref_default_client (model);
 	source = e_client_get_source (E_CLIENT (client));
 
 	memo_shell_sidebar = memo_shell_view->priv->memo_shell_sidebar;
 	e_memo_shell_sidebar_add_source (memo_shell_sidebar, source);
+
+	g_object_unref (client);
 }
 
 static void
diff --git a/modules/calendar/e-task-shell-view-actions.c b/modules/calendar/e-task-shell-view-actions.c
index 0c3ab2e040..5102def69b 100644
--- a/modules/calendar/e-task-shell-view-actions.c
+++ b/modules/calendar/e-task-shell-view-actions.c
@@ -456,12 +456,12 @@ action_task_new_cb (GtkAction *action,
 		ECalModel *model;
 
 		model = e_task_table_get_model (task_table);
-		client = e_cal_model_get_default_client (model);
+		client = e_cal_model_ref_default_client (model);
 	} else {
 		ECalModelComponent *comp_data;
 
 		comp_data = list->data;
-		client = comp_data->client;
+		client = g_object_ref (comp_data->client);
 		g_slist_free (list);
 	}
 
@@ -474,6 +474,8 @@ action_task_new_cb (GtkAction *action,
 	gtk_window_present (GTK_WINDOW (editor));
 
 	g_object_unref (comp);
+
+	g_object_unref (client);
 }
 
 static void
diff --git a/modules/calendar/e-task-shell-view-private.c b/modules/calendar/e-task-shell-view-private.c
index bc538c6e75..a3e29c9ad3 100644
--- a/modules/calendar/e-task-shell-view-private.c
+++ b/modules/calendar/e-task-shell-view-private.c
@@ -37,11 +37,13 @@ task_shell_view_model_row_appended_cb (ETaskShellView *task_shell_view,
 
 	/* This is the "Click to Add" handler. */
 
-	client = e_cal_model_get_default_client (model);
+	client = e_cal_model_ref_default_client (model);
 	source = e_client_get_source (E_CLIENT (client));
 
 	task_shell_sidebar = task_shell_view->priv->task_shell_sidebar;
 	e_task_shell_sidebar_add_source (task_shell_sidebar, source);
+
+	g_object_unref (client);
 }
 
 static gboolean