1 /* 2 * Copyright (C) 2008, 2010 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #if defined(__OBJC__) 27 28 #define EMPTY_PROTOCOL(NAME) \ 29 @protocol NAME <NSObject> \ 30 @end 31 32 #if defined(BUILDING_ON_TIGER) || defined(BUILDING_ON_LEOPARD) 33 34 EMPTY_PROTOCOL(NSTableViewDataSource) 35 EMPTY_PROTOCOL(NSTableViewDelegate) 36 EMPTY_PROTOCOL(NSWindowDelegate) 37 38 #endif 39 40 #if defined(BUILDING_ON_TIGER) || defined(BUILDING_ON_LEOPARD) || defined(BUILDING_ON_SNOW_LEOPARD) 41 42 EMPTY_PROTOCOL(NSURLConnectionDelegate) 43 EMPTY_PROTOCOL(NSURLDownloadDelegate) 44 45 #endif 46 47 #undef EMPTY_PROTOCOL 48 49 #endif /* defined(__OBJC__) */ 50