1/* 2 * Copyright (C) 2010 Google 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#import "config.h" 27#import "KillRing.h" 28 29namespace WebCore { 30 31extern "C" { 32 33// Kill ring calls. Would be better to use NSKillRing.h, but that's not available as API or SPI. 34 35void _NSInitializeKillRing(); 36void _NSAppendToKillRing(NSString *); 37void _NSPrependToKillRing(NSString *); 38NSString *_NSYankFromKillRing(); 39void _NSNewKillRingSequence(); 40void _NSSetKillRingToYankedState(); 41 42} 43 44static void initializeKillRingIfNeeded() 45{ 46 static bool initializedKillRing = false; 47 if (!initializedKillRing) { 48 initializedKillRing = true; 49 _NSInitializeKillRing(); 50 } 51} 52 53void KillRing::append(const String& string) 54{ 55 initializeKillRingIfNeeded(); 56 _NSAppendToKillRing(string); 57} 58 59void KillRing::prepend(const String& string) 60{ 61 initializeKillRingIfNeeded(); 62 _NSPrependToKillRing(string); 63} 64 65String KillRing::yank() 66{ 67 initializeKillRingIfNeeded(); 68 return _NSYankFromKillRing(); 69} 70 71void KillRing::startNewSequence() 72{ 73 initializeKillRingIfNeeded(); 74 _NSNewKillRingSequence(); 75} 76 77void KillRing::setToYankedState() 78{ 79 initializeKillRingIfNeeded(); 80 _NSSetKillRingToYankedState(); 81} 82 83} // namespace WebCore 84