Added streaming capability to CamelDataWrapper. This makes it possible, for

example, to build multipart messages out of files that are on disk without
loading them in memory.

svn path=/trunk/; revision=1394

1 files changed, 74 insertions, 0 deletions

diff --git a/camel/camel-simple-data-wrapper-stream.h b/camel/camel-simple-data-wrapper-stream.h
new file mode 100644
index 0000000000..ee24fd71d3
--- /dev/null
+++ b/camel/camel-simple-data-wrapper-stream.h
@@ -0,0 +1,74 @@
+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* camel-simple-data-wrapper-stream.h
+ *
+ * Copyright 1999 International GNOME Support (http://www.gnome-support.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * 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
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli
+ */
+
+#ifndef __CAMEL_SIMPLE_DATA_WRAPPER_STREAM_H__
+#define __CAMEL_SIMPLE_DATA_WRAPPER_STREAM_H__
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <gtk/gtk.h>
+
+#include "camel-simple-data-wrapper.h"
+
+#ifdef __cplusplus
+extern "C" {
+#pragma }
+#endif /* __cplusplus */
+
+#define CAMEL_TYPE_SIMPLE_DATA_WRAPPER_STREAM \
+	(camel_simple_data_wrapper_stream_get_type ())
+#define CAMEL_SIMPLE_DATA_WRAPPER_STREAM(obj) \
+	(GTK_CHECK_CAST ((obj), CAMEL_TYPE_SIMPLE_DATA_WRAPPER_STREAM, CamelSimpleDataWrapperStream))
+#define CAMEL_SIMPLE_DATA_WRAPPER_STREAM_CLASS(klass) \
+	(GTK_CHECK_CLASS_CAST ((klass), CAMEL_TYPE_SIMPLE_DATA_WRAPPER_STREAM, CamelSimpleDataWrapperStreamClass))
+#define IS_CAMEL_SIMPLE_DATA_WRAPPER_STREAM(obj) \
+	(GTK_CHECK_TYPE ((obj), CAMEL_TYPE_SIMPLE_DATA_WRAPPER_STREAM))
+#define IS_CAMEL_SIMPLE_DATA_WRAPPER_STREAM_CLASS(klass) \
+	(GTK_CHECK_CLASS_TYPE ((obj), CAMEL_TYPE_SIMPLE_DATA_WRAPPER_STREAM))
+
+
+typedef struct _CamelSimpleDataWrapperStream       CamelSimpleDataWrapperStream;
+typedef struct _CamelSimpleDataWrapperStreamClass  CamelSimpleDataWrapperStreamClass;
+
+struct _CamelSimpleDataWrapperStream {
+	CamelStream parent;
+
+	CamelSimpleDataWrapper *wrapper;
+	gint current_position;
+};
+
+struct _CamelSimpleDataWrapperStreamClass {
+	CamelStreamClass parent_class;
+};
+
+
+GtkType camel_simple_data_wrapper_stream_get_type (void);
+CamelStream *camel_simple_data_wrapper_stream_new (CamelSimpleDataWrapper *wrapper);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* __CAMEL_SIMPLE_DATA_WRAPPER_STREAM_H__ */