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 55 class NodeExportContext : 56 public ExportContext { 57 58 public: // *** dtor/ctor 59 virtual ~NodeExportContext() {} 60 61 NodeExportContext( 62 BDataIO* _stream, 63 BString& error) : 64 ExportContext(_stream, error) {} 65 66 public: // *** 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 73 public: // *** interface 74 virtual void exportUIState( 75 BMessage* archive) =0; 76 }; 77 78 __END_CORTEX_NAMESPACE 79 #endif /*__NodeExportContext_H__*/ 80