Introduce libemail-engine and libemail-utils.

These libraries are bound for E-D-S so they live at the lowest layer of
Evolution for now -- even libeutil can link to them (but please don't).

This is the first step toward moving mail handing to a D-Bus service.

1 files changed, 385 insertions, 0 deletions

diff --git a/libemail-engine/e-mail-store-utils.c b/libemail-engine/e-mail-store-utils.c
new file mode 100644
index 0000000000..757f86dfd5
--- /dev/null
+++ b/libemail-engine/e-mail-store-utils.c
@@ -0,0 +1,385 @@
+/*
+ * e-mail-store-utils.c
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) version 3.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with the program; if not, see <http://www.gnu.org/licenses/>
+ *
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-mail-utils.h"
+
+#include "e-mail-store-utils.h"
+
+#include <glib/gi18n-lib.h>
+
+typedef struct _AsyncContext AsyncContext;
+
+struct _AsyncContext {
+	gchar *full_name;
+};
+
+static void
+async_context_free (AsyncContext *context)
+{
+	g_free (context->full_name);
+
+	g_slice_free (AsyncContext, context);
+}
+
+static void
+mail_store_create_folder_thread (GSimpleAsyncResult *simple,
+                                 GObject *object,
+                                 GCancellable *cancellable)
+{
+	AsyncContext *context;
+	GError *error = NULL;
+
+	context = g_simple_async_result_get_op_res_gpointer (simple);
+
+	e_mail_store_create_folder_sync (
+		CAMEL_STORE (object), context->full_name,
+		cancellable, &error);
+
+	if (error != NULL)
+		g_simple_async_result_take_error (simple, error);
+}
+
+gboolean
+e_mail_store_create_folder_sync (CamelStore *store,
+                                 const gchar *full_name,
+                                 GCancellable *cancellable,
+                                 GError **error)
+{
+	CamelFolderInfo *folder_info;
+	gchar *copied_full_name;
+	gchar *display_name;
+	const gchar *parent;
+	gboolean success = TRUE;
+
+	g_return_val_if_fail (CAMEL_IS_STORE (store), FALSE);
+	g_return_val_if_fail (full_name != NULL, FALSE);
+
+	copied_full_name = g_strdup (full_name);
+	display_name = strrchr (copied_full_name, '/');
+	if (display_name == NULL) {
+		display_name = copied_full_name;
+		parent = "";
+	} else {
+		*display_name++ = '\0';
+		parent = copied_full_name;
+	}
+
+	folder_info = camel_store_create_folder_sync (
+		store, parent, display_name, cancellable, error);
+
+	g_free (copied_full_name);
+
+	if (folder_info == NULL)
+		return FALSE;
+
+	if (CAMEL_IS_SUBSCRIBABLE (store))
+		success = camel_subscribable_subscribe_folder_sync (
+			CAMEL_SUBSCRIBABLE (store),
+			full_name, cancellable, error);
+
+	camel_store_free_folder_info (store, folder_info);
+
+	return success;
+}
+
+void
+e_mail_store_create_folder (CamelStore *store,
+                            const gchar *full_name,
+                            gint io_priority,
+                            GCancellable *cancellable,
+                            GAsyncReadyCallback callback,
+                            gpointer user_data)
+{
+	GSimpleAsyncResult *simple;
+	AsyncContext *context;
+
+	g_return_if_fail (CAMEL_IS_STORE (store));
+	g_return_if_fail (full_name != NULL);
+
+	context = g_slice_new0 (AsyncContext);
+	context->full_name = g_strdup (full_name);
+
+	simple = g_simple_async_result_new (
+		G_OBJECT (store), callback, user_data,
+		e_mail_store_create_folder);
+
+	g_simple_async_result_set_op_res_gpointer (
+		simple, context, (GDestroyNotify) async_context_free);
+
+	g_simple_async_result_run_in_thread (
+		simple, mail_store_create_folder_thread,
+		io_priority, cancellable);
+
+	g_object_unref (simple);
+}
+
+gboolean
+e_mail_store_create_folder_finish (CamelStore *store,
+                                   GAsyncResult *result,
+                                   GError **error)
+{
+	GSimpleAsyncResult *simple;
+
+	g_return_val_if_fail (
+		g_simple_async_result_is_valid (
+		result, G_OBJECT (store),
+		e_mail_store_create_folder), FALSE);
+
+	simple = G_SIMPLE_ASYNC_RESULT (result);
+
+	/* Assume success unless a GError is set. */
+	return !g_simple_async_result_propagate_error (simple, error);
+}
+
+static void
+mail_store_go_offline_thread (GSimpleAsyncResult *simple,
+                              CamelStore *store,
+                              GCancellable *cancellable)
+{
+	CamelService *service;
+	gchar *service_name;
+	GError *error = NULL;
+
+	service = CAMEL_SERVICE (store);
+
+	service_name = camel_service_get_name (service, TRUE);
+	camel_operation_push_message (
+		cancellable, _("Disconnecting from '%s'"), service_name);
+	g_free (service_name);
+
+	if (CAMEL_IS_DISCO_STORE (store)) {
+		CamelDiscoStore *disco_store;
+
+		disco_store = CAMEL_DISCO_STORE (store);
+
+		if (camel_disco_store_can_work_offline (disco_store))
+			camel_disco_store_set_status (
+				disco_store, CAMEL_DISCO_STORE_OFFLINE,
+				cancellable, &error);
+		else
+			em_utils_disconnect_service_sync (service, TRUE, cancellable, &error);
+
+	} else if (CAMEL_IS_OFFLINE_STORE (store)) {
+		CamelOfflineStore *offline_store;
+
+		offline_store = CAMEL_OFFLINE_STORE (store);
+
+		camel_offline_store_set_online_sync (
+			offline_store, FALSE, cancellable, &error);
+
+	} else
+		em_utils_disconnect_service_sync (service, TRUE, cancellable, &error);
+
+	if (error != NULL)
+		g_simple_async_result_take_error (simple, error);
+
+	camel_operation_pop_message (cancellable);
+}
+
+void
+e_mail_store_go_offline (CamelStore *store,
+                         gint io_priority,
+                         GCancellable *cancellable,
+                         GAsyncReadyCallback callback,
+                         gpointer user_data)
+{
+	GSimpleAsyncResult *simple;
+
+	g_return_if_fail (CAMEL_IS_STORE (store));
+
+	/* Cancel any pending connect first so the set_offline_op
+	 * thread won't get queued behind a hung connect op. */
+	camel_service_cancel_connect (CAMEL_SERVICE (store));
+
+	simple = g_simple_async_result_new (
+		G_OBJECT (store), callback,
+		user_data, e_mail_store_go_offline);
+
+	g_simple_async_result_run_in_thread (
+		simple, (GSimpleAsyncThreadFunc)
+		mail_store_go_offline_thread,
+		io_priority, cancellable);
+
+	g_object_unref (simple);
+}
+
+gboolean
+e_mail_store_go_offline_finish (CamelStore *store,
+                                GAsyncResult *result,
+                                GError **error)
+{
+	GSimpleAsyncResult *simple;
+
+	g_return_val_if_fail (
+		g_simple_async_result_is_valid (
+		result, G_OBJECT (store), e_mail_store_go_offline), FALSE);
+
+	simple = G_SIMPLE_ASYNC_RESULT (result);
+
+	/* Assume success unless a GError is set. */
+	return !g_simple_async_result_propagate_error (simple, error);
+}
+
+static void
+mail_store_go_online_thread (GSimpleAsyncResult *simple,
+                             CamelStore *store,
+                             GCancellable *cancellable)
+{
+	CamelService *service;
+	gchar *service_name;
+	GError *error = NULL;
+
+	service = CAMEL_SERVICE (store);
+
+	service_name = camel_service_get_name (service, TRUE);
+	camel_operation_push_message (
+		cancellable, _("Reconnecting to '%s'"), service_name);
+	g_free (service_name);
+
+	if (CAMEL_IS_DISCO_STORE (store))
+		camel_disco_store_set_status (
+			CAMEL_DISCO_STORE (store),
+			CAMEL_DISCO_STORE_ONLINE,
+			cancellable, &error);
+
+	else if (CAMEL_IS_OFFLINE_STORE (store))
+		camel_offline_store_set_online_sync (
+			CAMEL_OFFLINE_STORE (store),
+			TRUE, cancellable, &error);
+
+	if (error != NULL)
+		g_simple_async_result_take_error (simple, error);
+
+	camel_operation_pop_message (cancellable);
+}
+
+void
+e_mail_store_go_online (CamelStore *store,
+                        gint io_priority,
+                        GCancellable *cancellable,
+                        GAsyncReadyCallback callback,
+                        gpointer user_data)
+{
+	GSimpleAsyncResult *simple;
+
+	g_return_if_fail (CAMEL_IS_STORE (store));
+
+	simple = g_simple_async_result_new (
+		G_OBJECT (store), callback,
+		user_data, e_mail_store_go_online);
+
+	g_simple_async_result_run_in_thread (
+		simple, (GSimpleAsyncThreadFunc)
+		mail_store_go_online_thread,
+		io_priority, cancellable);
+
+	g_object_unref (simple);
+}
+
+gboolean
+e_mail_store_go_online_finish (CamelStore *store,
+                               GAsyncResult *result,
+                               GError **error)
+{
+	GSimpleAsyncResult *simple;
+
+	g_return_val_if_fail (
+		g_simple_async_result_is_valid (
+		result, G_OBJECT (store), e_mail_store_go_online), FALSE);
+
+	simple = G_SIMPLE_ASYNC_RESULT (result);
+
+	/* Assume success unless a GError is set. */
+	return !g_simple_async_result_propagate_error (simple, error);
+}
+
+static void
+mail_store_prepare_for_offline_thread (GSimpleAsyncResult *simple,
+                                       CamelStore *store,
+                                       GCancellable *cancellable)
+{
+	CamelService *service;
+	gchar *service_name;
+	GError *error = NULL;
+
+	service = CAMEL_SERVICE (store);
+
+	service_name = camel_service_get_name (service, TRUE);
+	camel_operation_push_message (
+		cancellable, _("Preparing account '%s' for offline"),
+		service_name);
+	g_free (service_name);
+
+	if (CAMEL_IS_DISCO_STORE (store))
+		camel_disco_store_prepare_for_offline (
+			CAMEL_DISCO_STORE (store), cancellable, &error);
+
+	else if (CAMEL_IS_OFFLINE_STORE (store))
+		camel_offline_store_prepare_for_offline_sync (
+			CAMEL_OFFLINE_STORE (store), cancellable, &error);
+
+	if (error != NULL)
+		g_simple_async_result_take_error (simple, error);
+
+	camel_operation_pop_message (cancellable);
+}
+
+void
+e_mail_store_prepare_for_offline (CamelStore *store,
+                                  gint io_priority,
+                                  GCancellable *cancellable,
+                                  GAsyncReadyCallback callback,
+                                  gpointer user_data)
+{
+	GSimpleAsyncResult *simple;
+
+	g_return_if_fail (CAMEL_IS_STORE (store));
+
+	simple = g_simple_async_result_new (
+		G_OBJECT (store), callback, user_data,
+		e_mail_store_prepare_for_offline);
+
+	g_simple_async_result_run_in_thread (
+		simple, (GSimpleAsyncThreadFunc)
+		mail_store_prepare_for_offline_thread,
+		io_priority, cancellable);
+
+	g_object_unref (simple);
+}
+
+gboolean
+e_mail_store_prepare_for_offline_finish (CamelStore *store,
+                                         GAsyncResult *result,
+                                         GError **error)
+{
+	GSimpleAsyncResult *simple;
+
+	g_return_val_if_fail (
+		g_simple_async_result_is_valid (
+		result, G_OBJECT (store),
+		e_mail_store_prepare_for_offline), FALSE);
+
+	simple = G_SIMPLE_ASYNC_RESULT (result);
+
+	/* Assume success unless a GError is set. */
+	return !g_simple_async_result_propagate_error (simple, error);
+}