Baseline cut at the Calendar sidebar and module. Pretty much identical

to Tasks and Memos so far.  Now for the interesting part...

svn path=/branches/kill-bonobo/; revision=36573

3 files changed, 569 insertions, 20 deletions

diff --git a/calendar/modules/e-cal-shell-module.c b/calendar/modules/e-cal-shell-module.c
index 1dff363a0f..17c4b2152b 100644
--- a/calendar/modules/e-cal-shell-module.c
+++ b/calendar/modules/e-cal-shell-module.c
@@ -22,6 +22,7 @@
 #include <string.h>
 #include <glib/gi18n.h>
 #include <libecal/e-cal.h>
+#include <libedataserver/e-url.h>
 #include <libedataserver/e-source.h>
 #include <libedataserver/e-source-list.h>
 #include <libedataserver/e-source-group.h>
@@ -30,7 +31,11 @@
 #include "shell/e-shell-module.h"
 #include "shell/e-shell-window.h"
 
+#include "calendar/common/authentication.h"
 #include "calendar/gui/calendar-config.h"
+#include "calendar/gui/comp-util.h"
+#include "calendar/gui/dialogs/calendar-setup.h"
+#include "calendar/gui/dialogs/event-editor.h"
 
 #include "e-cal-shell-view.h"
 #include "e-cal-shell-module-migrate.h"
@@ -284,27 +289,85 @@ cal_module_ensure_sources (EShellModule *shell_module)
 }
 
 static void
-action_appointment_new_cb (GtkAction *action,
-                           EShellWindow *shell_window)
+cal_module_cal_opened_cb (ECal *cal,
+                          ECalendarStatus status,
+                          GtkAction *action)
 {
-}
+	ECalComponent *comp;
+	CompEditor *editor;
+	CompEditorFlags flags = 0;
+	const gchar *action_name;
+	gboolean all_day;
+
+	/* XXX Handle errors better. */
+	if (status != E_CALENDAR_STATUS_OK)
+		return;
 
-static void
-action_appointment_all_day_new_cb (GtkAction *action,
-                                   EShellWindow *shell_window)
-{
+	action_name = gtk_action_get_name (action);
+
+	flags |= COMP_EDITOR_NEW_ITEM;
+	flags |= COMP_EDITOR_USER_ORG;
+	if (strcmp (action_name, "meeting-new") == 0)
+		flags |= COMP_EDITOR_MEETING;
+
+	all_day = (strcmp (action_name, "appointment-all-day-new") == 0);
+
+	editor = event_editor_new (cal, flags);
+	comp = cal_comp_event_new_with_current_time (cal, all_day);
+	comp_editor_edit_comp (editor, comp);
+
+	gtk_window_present (GTK_WINDOW (editor));
+
+	g_object_unref (comp);
+	g_object_unref (cal);
 }
 
 static void
-action_meeting_new_cb (GtkAction *action,
-                       EShellWindow *shell_window)
+action_event_new_cb (GtkAction *action,
+                     EShellWindow *shell_window)
 {
+	ECal *cal = NULL;
+	ECalSourceType source_type;
+	ESourceList *source_list;
+	gchar *uid;
+
+	/* This callback is used for both appointments and meetings. */
+
+	source_type = E_CAL_SOURCE_TYPE_EVENT;
+
+	if (!e_cal_get_sources (&source_list, source_type, NULL)) {
+		g_warning ("Could not get calendar sources from GConf!");
+		return;
+	}
+
+	uid = calendar_config_get_primary_calendar ();
+
+	if (uid != NULL) {
+		ESource *source;
+
+		source = e_source_list_peek_source_by_uid (source_list, uid);
+		if (source != NULL)
+			cal = auth_new_cal_from_source (source, source_type);
+		g_free (uid);
+	}
+
+	if (cal == NULL)
+		cal = auth_new_cal_from_default (source_type);
+
+	g_return_if_fail (cal != NULL);
+
+	g_signal_connect (
+		cal, "cal-opened",
+		G_CALLBACK (cal_module_cal_opened_cb), action);
+
+	e_cal_open_async (cal, FALSE);
 }
 
 static void
 action_calendar_new_cb (GtkAction *action,
                         EShellWindow *shell_window)
 {
+	calendar_setup_new_calendar (GTK_WINDOW (shell_window));
 }
 
 static GtkActionEntry item_entries[] = {
@@ -314,21 +377,21 @@ static GtkActionEntry item_entries[] = {
 	  N_("_Appointment"),  /* XXX Need C_() here */
 	  "<Control>a",
 	  N_("Create a new appointment"),
-	  G_CALLBACK (action_appointment_new_cb) },
+	  G_CALLBACK (action_event_new_cb) },
 
 	{ "appointment-all-day-new",
 	  "stock_new-24h-appointment",
 	  N_("All Day A_ppointment"),
 	  NULL,
 	  N_("Create a new all-day appointment"),
-	  G_CALLBACK (action_appointment_all_day_new_cb) },
+	  G_CALLBACK (action_event_new_cb) },
 
 	{ "meeting-new",
 	  "stock_new-meeting",
 	  N_("M_eeting"),
 	  "<Control>e",
 	  N_("Create a new meeting request"),
-	  G_CALLBACK (action_meeting_new_cb) }
+	  G_CALLBACK (action_event_new_cb) }
 };
 
 static GtkActionEntry source_entries[] = {
diff --git a/calendar/modules/e-cal-shell-sidebar.c b/calendar/modules/e-cal-shell-sidebar.c
index b60d1660d1..bbe0c15caf 100644
--- a/calendar/modules/e-cal-shell-sidebar.c
+++ b/calendar/modules/e-cal-shell-sidebar.c
@@ -24,9 +24,11 @@
 #include <string.h>
 #include <glib/gi18n.h>
 
-#include "e-util/e-util.h"
-#include "calendar/gui/gnome-cal.h"
+#include "e-util/e-error.h"
+#include "calendar/common/authentication.h"
+#include "calendar/gui/calendar-config.h"
 #include "calendar/gui/e-calendar-selector.h"
+#include "calendar/gui/misc.h"
 
 #include "e-cal-shell-view.h"
 
@@ -36,6 +38,9 @@
 
 struct _ECalShellSidebarPrivate {
 	GtkWidget *selector;
+
+	/* UID -> Client */
+	GHashTable *client_table;
 };
 
 enum {
@@ -43,13 +48,261 @@ enum {
 	PROP_SELECTOR
 };
 
+enum {
+	CLIENT_ADDED,
+	CLIENT_REMOVED,
+	STATUS_MESSAGE,
+	LAST_SIGNAL
+};
+
 static gpointer parent_class;
+static guint signals[LAST_SIGNAL];
+
+static void
+cal_shell_sidebar_emit_client_added (ECalShellSidebar *cal_shell_sidebar,
+                                     ECal *client)
+{
+	guint signal_id = signals[CLIENT_ADDED];
+
+	g_signal_emit (cal_shell_sidebar, signal_id, 0, client);
+}
+
+static void
+cal_shell_sidebar_emit_client_removed (ECalShellSidebar *cal_shell_sidebar,
+                                       ECal *client)
+{
+	guint signal_id = signals[CLIENT_REMOVED];
+
+	g_signal_emit (cal_shell_sidebar, signal_id, 0, client);
+}
+
+static void
+cal_shell_sidebar_emit_status_message (ECalShellSidebar *cal_shell_sidebar,
+                                       const gchar *status_message)
+{
+	guint signal_id = signals[STATUS_MESSAGE];
+
+	g_signal_emit (cal_shell_sidebar, signal_id, 0, status_message);
+}
+
+static void
+cal_shell_sidebar_update_timezone (ECalShellSidebar *cal_shell_sidebar)
+{
+	GHashTable *client_table;
+	icaltimezone *zone;
+	GList *values;
+
+	zone = calendar_config_get_icaltimezone ();
+	client_table = cal_shell_sidebar->priv->client_table;
+	values = g_hash_table_get_values (client_table);
+
+	while (values != NULL) {
+		ECal *client = values->data;
+
+		if (e_cal_get_load_state (client) == E_CAL_LOAD_LOADED)
+			e_cal_set_default_timezone (client, zone, NULL);
+
+		values = g_list_delete_link (values, values);
+	}
+
+	/* XXX Need to call e_calendar_view_set_timezone() here but the
+	 *     sidebar is not really supposed to access content stuff.
+	 *     I guess we could emit an "update-timezone" signal here,
+	 *     but that feels wrong.  Maybe this whole thing should be
+	 *     in ECalShellView instead. */
+}
+
+static void
+cal_shell_sidebar_backend_died_cb (ECalShellSidebar *cal_shell_sidebar,
+                                   ECal *client)
+{
+	EShellView *shell_view;
+	EShellWindow *shell_window;
+	EShellSidebar *shell_sidebar;
+	GHashTable *client_table;
+	ESource *source;
+	const gchar *uid;
+
+	client_table = cal_shell_sidebar->priv->client_table;
+
+	shell_sidebar = E_SHELL_SIDEBAR (cal_shell_sidebar);
+	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
+	shell_window = e_shell_view_get_shell_window (shell_view);
+
+	source = e_cal_get_source (client);
+	uid = e_source_peek_uid (source);
+
+	g_object_ref (source);
+
+	g_hash_table_remove (client_table, uid);
+	cal_shell_sidebar_emit_status_message (cal_shell_sidebar, NULL);
+
+	e_error_run (
+		GTK_WINDOW (shell_window),
+		"calendar:calendar-crashed", NULL);
+
+	g_object_unref (source);
+}
+
+static void
+cal_shell_sidebar_backend_error_cb (ECalShellSidebar *cal_shell_sidebar,
+                                    const gchar *message,
+                                    ECal *client)
+{
+	EShellView *shell_view;
+	EShellWindow *shell_window;
+	EShellSidebar *shell_sidebar;
+	GtkWidget *dialog;
+	const gchar *uri;
+	gchar *uri_no_passwd;
+
+	shell_sidebar = E_SHELL_SIDEBAR (cal_shell_sidebar);
+	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
+	shell_window = e_shell_view_get_shell_window (shell_view);
+
+	uri = e_cal_get_uri (client);
+	uri_no_passwd = get_uri_without_password (uri);
+
+	dialog = gtk_message_dialog_new (
+		GTK_WINDOW (shell_window),
+		GTK_DIALOG_DESTROY_WITH_PARENT,
+		GTK_MESSAGE_ERROR, GTK_BUTTONS_OK,
+		_("Error on %s\n%s"),
+		uri_no_passwd, message);
+
+	gtk_dialog_run (GTK_DIALOG (dialog));
+	gtk_widget_destroy (dialog);
+
+	g_free (uri_no_passwd);
+}
+
+static void
+cal_shell_sidebar_client_opened_cb (ECalShellSidebar *cal_shell_sidebar,
+                                    ECalendarStatus status,
+                                    ECal *client)
+{
+	EShellView *shell_view;
+	EShellWindow *shell_window;
+	EShellSidebar *shell_sidebar;
+	ESource *source;
+
+	source = e_cal_get_source (client);
+
+	shell_sidebar = E_SHELL_SIDEBAR (cal_shell_sidebar);
+	shell_view = e_shell_sidebar_get_shell_view (shell_sidebar);
+	shell_window = e_shell_view_get_shell_window (shell_view);
+
+	switch (status) {
+		case E_CALENDAR_STATUS_OK:
+			g_signal_handlers_disconnect_matched (
+				client, G_SIGNAL_MATCH_FUNC, 0, 0, NULL,
+				cal_shell_sidebar_client_opened_cb, NULL);
+
+			cal_shell_sidebar_emit_status_message (
+				cal_shell_sidebar, _("Loading calendars"));
+			cal_shell_sidebar_emit_client_added (
+				cal_shell_sidebar, client);
+			cal_shell_sidebar_emit_status_message (
+				cal_shell_sidebar, NULL);
+			break;
+
+		case E_CALENDAR_STATUS_BUSY:
+			break;
+
+		case E_CALENDAR_STATUS_REPOSITORY_OFFLINE:
+			e_error_run (
+				GTK_WINDOW (shell_window),
+				"calendar:prompt-no-contents-offline-calendar",
+				NULL);
+			break;
+
+		default:
+			cal_shell_sidebar_emit_client_removed (
+				cal_shell_sidebar, client);
+			break;
+	}
+}
+
+static void
+cal_shell_sidebar_row_changed_cb (ECalShellSidebar *cal_shell_sidebar,
+                                  GtkTreePath *tree_path,
+                                  GtkTreeIter *tree_iter,
+                                  GtkTreeModel *tree_model)
+{
+	ESourceSelector *selector;
+	ESource *source;
+
+	/* XXX ESourceSelector's underlying tree store has only one
+	 *     column: ESource objects.  While we're not supposed to
+	 *     know this, listening for "row-changed" signals from
+	 *     the model is easier to deal with than the selector's
+	 *     "selection-changed" signal, which doesn't tell you
+	 *     _which_ row changed. */
+
+	selector = e_cal_shell_sidebar_get_selector (cal_shell_sidebar);
+	gtk_tree_model_get (tree_model, tree_iter, 0, &source, -1);
+
+	/* XXX This signal gets emitted a lot while the model is being
+	 *     rebuilt, during which time we won't get a valid ESource.
+	 *     ESourceSelector should probably block this signal while
+	 *     rebuilding the model, but we'll be forgiving and not
+	 *     emit a warning. */
+	if (!E_IS_SOURCE (source))
+		return;
+
+	if (e_source_selector_source_is_selected (selector, source))
+		e_cal_shell_sidebar_add_source (cal_shell_sidebar, source);
+	else
+		e_cal_shell_sidebar_remove_source (cal_shell_sidebar, source);
+}
+
+static void
+cal_shell_sidebar_selection_changed_cb (ECalShellSidebar *cal_shell_sidebar,
+                                        ESourceSelector *selector)
+{
+	GSList *list, *iter;
+
+	/* This signal is emitted less frequently than "row-changed",
+	 * especially when the model is being rebuilt.  So we'll take
+	 * it easy on poor GConf. */
+
+	list = e_source_selector_get_selection (selector);
+
+	for (iter = list; iter != NULL; iter = iter->next) {
+		ESource *source = iter->data;
+
+		iter->data = (gpointer) e_source_peek_uid (source);
+		g_object_unref (source);
+	}
+
+	calendar_config_set_calendars_selected (list);
+
+	g_slist_free (list);
+}
+
+static void
+cal_shell_sidebar_primary_selection_changed_cb (ECalShellSidebar *cal_shell_sidebar,
+                                                ESourceSelector *selector)
+{
+	ESource *source;
+	const gchar *uid;
+
+	/* XXX ESourceSelector needs a "primary-selection-uid" property
+	 *     so we can just bind the property with GConfBridge. */
+
+	source = e_source_selector_peek_primary_selection (selector);
+	if (source == NULL)
+		return;
+
+	uid = e_source_peek_uid (source);
+	calendar_config_set_primary_calendar (uid);
+}
 
 static void
 cal_shell_sidebar_get_property (GObject *object,
-                                 guint property_id,
-                                 GValue *value,
-                                 GParamSpec *pspec)
+                                guint property_id,
+                                GValue *value,
+                                GParamSpec *pspec)
 {
 	switch (property_id) {
 		case PROP_SELECTOR:
@@ -74,20 +327,40 @@ cal_shell_sidebar_dispose (GObject *object)
 		priv->selector = NULL;
 	}
 
+	g_hash_table_remove_all (priv->client_table);
+
 	/* Chain up to parent's dispose() method. */
 	G_OBJECT_CLASS (parent_class)->dispose (object);
 }
 
 static void
+cal_shell_sidebar_finalize (GObject *object)
+{
+	ECalShellSidebarPrivate *priv;
+
+	priv = E_CAL_SHELL_SIDEBAR_GET_PRIVATE (object);
+
+	g_hash_table_destroy (priv->client_table);
+
+	/* Chain up to parent's finalize() method. */
+	G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
 cal_shell_sidebar_constructed (GObject *object)
 {
 	ECalShellSidebarPrivate *priv;
 	EShellView *shell_view;
 	EShellSidebar *shell_sidebar;
 	ECalShellView *cal_shell_view;
+	ESourceSelector *selector;
 	ESourceList *source_list;
+	ESource *source;
 	GtkContainer *container;
+	GtkTreeModel *model;
 	GtkWidget *widget;
+	GSList *list, *iter;
+	gchar *uid;
 
 	priv = E_CAL_SHELL_SIDEBAR_GET_PRIVATE (object);
 
@@ -117,6 +390,83 @@ cal_shell_sidebar_constructed (GObject *object)
 	gtk_container_add (container, widget);
 	priv->selector = g_object_ref (widget);
 	gtk_widget_show (widget);
+
+	/* Restore the selector state from the last session. */
+
+	selector = E_SOURCE_SELECTOR (priv->selector);
+	model = gtk_tree_view_get_model (GTK_TREE_VIEW (widget));
+
+	g_signal_connect_swapped (
+		model, "row-changed",
+		G_CALLBACK (cal_shell_sidebar_row_changed_cb),
+		object);
+
+	source = NULL;
+	uid = calendar_config_get_primary_calendar ();
+	if (uid != NULL)
+		source = e_source_list_peek_source_by_uid (source_list, uid);
+	if (source == NULL)
+		source = e_source_list_peek_source_any (source_list);
+	if (source != NULL)
+		e_source_selector_set_primary_selection (selector, source);
+	g_free (uid);
+
+	list = calendar_config_get_tasks_selected ();
+	for (iter = list; iter != NULL; iter = iter->next) {
+		uid = iter->data;
+		source = e_source_list_peek_source_by_uid (source_list, uid);
+		g_free (uid);
+
+		if (source == NULL)
+			continue;
+
+		e_source_selector_select_source (selector, source);
+	}
+	g_slist_free (list);
+
+	/* Listen for subsequent changes to the selector. */
+
+	g_signal_connect_swapped (
+		widget, "selection-changed",
+		G_CALLBACK (cal_shell_sidebar_selection_changed_cb),
+		object);
+
+	g_signal_connect_swapped (
+		widget, "primary-selection-changed",
+		G_CALLBACK (cal_shell_sidebar_primary_selection_changed_cb),
+		object);
+}
+
+static void
+cal_shell_sidebar_client_added (ECalShellSidebar *cal_shell_sidebar,
+                                ECal *client)
+{
+	cal_shell_sidebar_update_timezone (cal_shell_sidebar);
+}
+
+static void
+cal_shell_sidebar_client_removed (ECalShellSidebar *cal_shell_sidebar,
+                                  ECal *client)
+{
+	ESourceSelector *selector;
+	GHashTable *client_table;
+	ESource *source;
+	const gchar *uid;
+
+	client_table = cal_shell_sidebar->priv->client_table;
+	selector = e_cal_shell_sidebar_get_selector (cal_shell_sidebar);
+
+	g_signal_handlers_disconnect_matched (
+		client, G_SIGNAL_MATCH_DATA, 0, 0,
+		NULL, NULL, cal_shell_sidebar);
+
+	source = e_cal_get_source (client);
+	e_source_selector_unselect_source (selector, source);
+
+	uid = e_source_peek_uid (source);
+	g_hash_table_remove (client_table, uid);
+
+	cal_shell_sidebar_emit_status_message (cal_shell_sidebar, NULL);
 }
 
 static void
@@ -130,8 +480,12 @@ cal_shell_sidebar_class_init (ECalShellSidebarClass *class)
 	object_class = G_OBJECT_CLASS (class);
 	object_class->get_property = cal_shell_sidebar_get_property;
 	object_class->dispose = cal_shell_sidebar_dispose;
+	object_class->finalize = cal_shell_sidebar_finalize;
 	object_class->constructed = cal_shell_sidebar_constructed;
 
+	class->client_added = cal_shell_sidebar_client_added;
+	class->client_removed = cal_shell_sidebar_client_removed;
+
 	g_object_class_install_property (
 		object_class,
 		PROP_SELECTOR,
@@ -141,14 +495,53 @@ cal_shell_sidebar_class_init (ECalShellSidebarClass *class)
 			_("This widget displays groups of calendars"),
 			E_TYPE_SOURCE_SELECTOR,
 			G_PARAM_READABLE));
+
+	signals[CLIENT_ADDED] = g_signal_new (
+		"client-added",
+		G_OBJECT_CLASS_TYPE (object_class),
+		G_SIGNAL_RUN_LAST,
+		G_STRUCT_OFFSET (ECalShellSidebarClass, client_added),
+		NULL, NULL,
+		g_cclosure_marshal_VOID__OBJECT,
+		G_TYPE_NONE, 1,
+		E_TYPE_CAL);
+
+	signals[CLIENT_REMOVED] = g_signal_new (
+		"client-removed",
+		G_OBJECT_CLASS_TYPE (object_class),
+		G_SIGNAL_RUN_LAST,
+		G_STRUCT_OFFSET (ECalShellSidebarClass, client_removed),
+		NULL, NULL,
+		g_cclosure_marshal_VOID__OBJECT,
+		G_TYPE_NONE, 1,
+		E_TYPE_CAL);
+
+	signals[STATUS_MESSAGE] = g_signal_new (
+		"status-message",
+		G_OBJECT_CLASS_TYPE (object_class),
+		G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+		G_STRUCT_OFFSET (ECalShellSidebarClass, status_message),
+		NULL, NULL,
+		g_cclosure_marshal_VOID__STRING,
+		G_TYPE_NONE, 1,
+		G_TYPE_STRING);
 }
 
 static void
 cal_shell_sidebar_init (ECalShellSidebar *cal_shell_sidebar)
 {
+	GHashTable *client_table;
+
+	client_table = g_hash_table_new_full (
+		g_str_hash, g_str_equal,
+		(GDestroyNotify) g_free,
+		(GDestroyNotify) g_object_unref);
+
 	cal_shell_sidebar->priv =
 		E_CAL_SHELL_SIDEBAR_GET_PRIVATE (cal_shell_sidebar);
 
+	cal_shell_sidebar->priv->client_table = client_table;
+
 	/* Postpone widget construction until we have a shell view. */
 }
 
@@ -189,11 +582,87 @@ e_cal_shell_sidebar_new (EShellView *shell_view)
 		"shell-view", shell_view, NULL);
 }
 
-GtkWidget *
+ESourceSelector *
 e_cal_shell_sidebar_get_selector (ECalShellSidebar *cal_shell_sidebar)
 {
 	g_return_val_if_fail (
 		E_IS_CAL_SHELL_SIDEBAR (cal_shell_sidebar), NULL);
 
-	return cal_shell_sidebar->priv->selector;
+	return E_SOURCE_SELECTOR (cal_shell_sidebar->priv->selector);
+}
+
+void
+e_cal_shell_sidebar_add_source (ECalShellSidebar *cal_shell_sidebar,
+                                ESource *source)
+{
+	ESourceSelector *selector;
+	GHashTable *client_table;
+	ECal *client;
+	const gchar *uid;
+	const gchar *uri;
+	gchar *message;
+
+	g_return_if_fail (E_IS_CAL_SHELL_SIDEBAR (cal_shell_sidebar));
+	g_return_if_fail (E_IS_SOURCE (source));
+
+	client_table = cal_shell_sidebar->priv->client_table;
+	selector = e_cal_shell_sidebar_get_selector (cal_shell_sidebar);
+
+	uid = e_source_peek_uid (source);
+	client = g_hash_table_lookup (client_table, uid);
+
+	if (client != NULL)
+		return;
+
+	client = auth_new_cal_from_source (source, E_CAL_SOURCE_TYPE_EVENT);
+	g_return_if_fail (client != NULL);
+
+	g_signal_connect_swapped (
+		client, "backend-died",
+		G_CALLBACK (cal_shell_sidebar_backend_died_cb),
+		cal_shell_sidebar);
+
+	g_signal_connect_swapped (
+		client, "backend-error",
+		G_CALLBACK (cal_shell_sidebar_backend_error_cb),
+		cal_shell_sidebar);
+
+	g_hash_table_insert (client_table, g_strdup (uid), client);
+	e_source_selector_select_source (selector, source);
+
+	uri = e_cal_get_uri (client);
+	message = g_strdup_printf (_("Opening calendar at %s"), uri);
+	cal_shell_sidebar_emit_status_message (cal_shell_sidebar, message);
+	g_free (message);
+
+	g_signal_connect_swapped (
+		client, "cal-opened",
+		G_CALLBACK (cal_shell_sidebar_client_opened_cb),
+		cal_shell_sidebar);
+
+	e_cal_open_async (client, FALSE);
+}
+
+void
+e_cal_shell_sidebar_remove_source (ECalShellSidebar *cal_shell_sidebar,
+                                   ESource *source)
+{
+	ESourceSelector *selector;
+	GHashTable *client_table;
+	ECal *client;
+	const gchar *uid;
+
+	g_return_if_fail (E_IS_CAL_SHELL_SIDEBAR (cal_shell_sidebar));
+	g_return_if_fail (E_IS_SOURCE (source));
+
+	client_table = cal_shell_sidebar->priv->client_table;
+	selector = e_cal_shell_sidebar_get_selector (cal_shell_sidebar);
+
+	uid = e_source_peek_uid (source);
+	client = g_hash_table_lookup (client_table, uid);
+
+	if (client == NULL)
+		return;
+
+	cal_shell_sidebar_emit_client_removed (cal_shell_sidebar, client);
 }
diff --git a/calendar/modules/e-cal-shell-sidebar.h b/calendar/modules/e-cal-shell-sidebar.h
index 6a7bccac3c..49b89c556e 100644
--- a/calendar/modules/e-cal-shell-sidebar.h
+++ b/calendar/modules/e-cal-shell-sidebar.h
@@ -22,6 +22,9 @@
 #ifndef E_CAL_SHELL_SIDEBAR_H
 #define E_CAL_SHELL_SIDEBAR_H
 
+#include <libecal/e-cal.h>
+#include <libedataserverui/e-source-selector.h>
+
 #include <shell/e-shell-sidebar.h>
 #include <shell/e-shell-view.h>
 
@@ -57,11 +60,25 @@ struct _ECalShellSidebar {
 
 struct _ECalShellSidebarClass {
 	EShellSidebarClass parent_class;
+
+	/* Signals */
+	void	(*client_added)			(ECalShellSidebar *cal_shell_sidebar,
+						 ECal *client);
+	void	(*client_removed)		(ECalShellSidebar *cal_shell_sidebar,
+						 ECal *client);
+	void	(*status_message)		(ECalShellSidebar *cal_shell_sidebar,
+						 const gchar *status_message);
 };
 
 GType		e_cal_shell_sidebar_get_type	(void);
 GtkWidget *	e_cal_shell_sidebar_new		(EShellView *shell_view);
-GtkWidget *	e_cal_shell_sidebar_get_selector(ECalShellSidebar *cal_shell_sidebar);
+ESourceSelector *
+		e_cal_shell_sidebar_get_selector(ECalShellSidebar *cal_shell_sidebar);
+void		e_cal_shell_sidebar_add_source	(ECalShellSidebar *cal_shell_sidebar,
+						 ESource *source);
+void		e_cal_shell_sidebar_remove_source
+						(ECalShellSidebar *cal_shell_sidebar,
+						 ESource *source);
 
 G_END_DECLS