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/*
* gnome-keyring
*
* Copyright (C) 2011 Collabora Ltd.
*
* 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 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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: Stef Walter <stefw@collabora.co.uk>
*/
#include "config.h"
#include "gcr-callback-output-stream.h"
#define DEBUG_FLAG GCR_DEBUG_GNUPG
#include "gcr-debug.h"
#include <glib/gi18n.h>
struct _GcrCallbackOutputStream {
GOutputStream parent;
GcrCallbackOutputFunc callback;
gpointer user_data;
GDestroyNotify destroy_func;
};
struct _GcrCallbackOutputStreamClass {
GOutputStreamClass parent_class;
};
G_DEFINE_TYPE (GcrCallbackOutputStream, _gcr_callback_output_stream, G_TYPE_OUTPUT_STREAM);
static void
_gcr_callback_output_stream_init (GcrCallbackOutputStream *self)
{
}
static gssize
_gcr_callback_output_stream_write (GOutputStream *stream,
const void *buffer,
gsize count,
GCancellable *cancellable,
GError **error)
{
GcrCallbackOutputStream *self = GCR_CALLBACK_OUTPUT_STREAM (stream);
if (g_cancellable_set_error_if_cancelled (cancellable, error)) {
return -1;
} else if (self->callback == NULL) {
g_set_error (error, G_IO_ERROR, G_IO_ERROR_CLOSED,
_("The stream was closed"));
return -1;
}
return (self->callback) (buffer, count, cancellable, self->user_data, error);
}
static gboolean
_gcr_callback_output_stream_close (GOutputStream *stream,
GCancellable *cancellable,
GError **error)
{
GcrCallbackOutputStream *self = GCR_CALLBACK_OUTPUT_STREAM (stream);
if (g_cancellable_set_error_if_cancelled (cancellable, error)) {
return FALSE;
} else if (self->callback == NULL) {
g_set_error (error, G_IO_ERROR, G_IO_ERROR_CLOSED,
_("The stream was closed"));
return FALSE;
}
if (self->destroy_func != NULL)
(self->destroy_func) (self->user_data);
self->destroy_func = NULL;
self->user_data = NULL;
self->callback = NULL;
return TRUE;
}
static void
_gcr_callback_output_stream_dispose (GObject *obj)
{
_gcr_callback_output_stream_close (G_OUTPUT_STREAM (obj), NULL, NULL);
G_OBJECT_CLASS (_gcr_callback_output_stream_parent_class)->dispose (obj);
}
static void
_gcr_callback_output_stream_class_init (GcrCallbackOutputStreamClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GOutputStreamClass *output_class = G_OUTPUT_STREAM_CLASS (klass);
gobject_class->dispose = _gcr_callback_output_stream_dispose;
output_class->write_fn = _gcr_callback_output_stream_write;
output_class->close_fn = _gcr_callback_output_stream_close;
}
/**
* _gcr_callback_output_stream_new: (skip)
*
* Returns: (transfer full) (type Gcr.CallbackOutputStream): the new stream
*/
GOutputStream *
_gcr_callback_output_stream_new (GcrCallbackOutputFunc callback,
gpointer user_data,
GDestroyNotify destroy_func)
{
GcrCallbackOutputStream *self;
g_return_val_if_fail (callback, NULL);
self = g_object_new (GCR_TYPE_CALLBACK_OUTPUT_STREAM, NULL);
self->callback = callback;
self->user_data = user_data;
self->destroy_func = destroy_func;
return G_OUTPUT_STREAM (self);
}
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