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Diffstat (limited to 'WebKit/mac/Misc/WebNSArrayExtras.m')
-rw-r--r-- | WebKit/mac/Misc/WebNSArrayExtras.m | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/WebKit/mac/Misc/WebNSArrayExtras.m b/WebKit/mac/Misc/WebNSArrayExtras.m new file mode 100644 index 0000000..b8b9af3 --- /dev/null +++ b/WebKit/mac/Misc/WebNSArrayExtras.m @@ -0,0 +1,58 @@ +/* + * Copyright (C) 2007 Apple Inc. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of + * its contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#import "WebNSArrayExtras.h" + +#import <wtf/Assertions.h> + +@implementation NSMutableArray (WebExtras) + +- (void)_webkit_removeUselessMenuItemSeparators +{ + // Starting with a mutable array of NSMenuItems, removes any separators at the start, + // removes any separators at the end, and collapses any other adjacent separators to + // a single separator. + + int index; + // Start this with YES so very last item will be removed if it's a separator. + BOOL removePreviousItemIfSeparator = YES; + for (index = [self count] - 1; index >= 0; --index) { + NSMenuItem *item = [self objectAtIndex:index]; + ASSERT([item isKindOfClass:[NSMenuItem class]]); + BOOL itemIsSeparator = [item isSeparatorItem]; + if (itemIsSeparator && (removePreviousItemIfSeparator || index == 0)) + [self removeObjectAtIndex:index]; + removePreviousItemIfSeparator = itemIsSeparator; + } + + // This could leave us with one initial separator; kill it off too + if ([self count] && [[self objectAtIndex:0] isSeparatorItem]) + [self removeObjectAtIndex:0]; +} + +@end |