1/*
2 * Copyright (C) 2014 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#import "config.h"
27#import "TextUndoInsertionMarkupMac.h"
28
29#if __has_include(<Foundation/NSUndoManager_Private.h>)
30#import <Foundation/NSUndoManager_Private.h>
31#else
32@interface NSUndoManager (WebCorePrivate)
33- (void)_processEndOfEventNotification:(id)arg;
34@end
35#endif
36
37namespace WebCore {
38
39#if USE(INSERTION_UNDO_GROUPING)
40
41bool shouldRegisterInsertionUndoGroup(NSAttributedString* string)
42{
43    return [string attribute:NSTextInsertionUndoableAttributeName atIndex:0 effectiveRange:nil];
44}
45
46void registerInsertionUndoGroupingWithUndoManager(NSUndoManager* undoManager)
47{
48    if ([undoManager groupingLevel])
49        [undoManager _processEndOfEventNotification:nil];
50}
51
52#endif
53
54}
55