1/*
2 * Copyright (c) 1999-2000, Eric Moon.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions, and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31
32// NodeExportContext.h
33// * PURPOSE
34//   Extends ExportContext to include a set of nodes
35//   to be stored.  This is an abstract class; implement
36//   exportUIState() to store any user-interface state
37//   info needed for the listed nodes.
38//
39// TO DO ++++++ GO AWAY!  NodeSetIOContext provides the same
40//   functionality for both import and export...
41//
42// * HISTORY
43//   e.moon			7dec99		Begun
44
45#ifndef __NodeExportContext_H__
46#define __NodeExportContext_H__
47
48#include <vector>
49#include "ExportContext.h"
50#include "IStateArchivable.h"
51
52#include "cortex_defs.h"
53__BEGIN_CORTEX_NAMESPACE
54
55class NodeExportContext :
56	public	ExportContext {
57
58public:													// *** dtor/ctor
59	virtual ~NodeExportContext() {}
60
61	NodeExportContext(
62		BDataIO*										_stream,
63		BString&										error) :
64		ExportContext(_stream, error) {}
65
66public:													// *** members
67	// set of nodes to export; if one or more nodes are
68	// not fit to be exported, they may be removed or
69	// set to media_node::null.node during the export process.
70	typedef vector<media_node_id>	media_node_set;
71	media_node_set								nodes;
72
73public:													// *** interface
74	virtual void exportUIState(
75		BMessage*										archive) =0;
76};
77
78__END_CORTEX_NAMESPACE
79#endif /*__NodeExportContext_H__*/
80