--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/mac/Misc/WebStringTruncator.mm	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,93 @@
+/*
+ * Copyright (C) 2005, 2006 Apple Computer, 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 "WebStringTruncator.h"
+
+#import "WebSystemInterface.h"
+#import <WebCore/Font.h>
+#import <WebCore/FontPlatformData.h>
+#import <WebCore/PlatformString.h>
+#import <WebCore/StringTruncator.h>
+#import <wtf/StdLibExtras.h>
+
+using namespace WebCore;
+
+static NSFont *defaultMenuFont()
+{
+    static NSFont *defaultMenuFont = nil;
+    if (!defaultMenuFont) {
+        defaultMenuFont = [NSFont menuFontOfSize:0];
+        CFRetain(defaultMenuFont);
+    }
+    return defaultMenuFont;
+}
+
+static Font& fontFromNSFont(NSFont *font)
+{
+    static NSFont *currentFont;
+    DEFINE_STATIC_LOCAL(Font, currentRenderer, ());
+
+    if ([font isEqual:currentFont])
+        return currentRenderer;
+    if (currentFont)
+        CFRelease(currentFont);
+    currentFont = font;
+    CFRetain(currentFont);
+    FontPlatformData f(font);
+    currentRenderer = Font(f, ![[NSGraphicsContext currentContext] isDrawingToScreen]);
+    return currentRenderer;
+}
+
+@implementation WebStringTruncator
+
++ (void)initialize
+{
+    InitWebCoreSystemInterface();
+}
+
++ (NSString *)centerTruncateString:(NSString *)string toWidth:(float)maxWidth
+{
+    return StringTruncator::centerTruncate(string, maxWidth, fontFromNSFont(defaultMenuFont()));
+}
+
++ (NSString *)centerTruncateString:(NSString *)string toWidth:(float)maxWidth withFont:(NSFont *)font
+{
+    return StringTruncator::centerTruncate(string, maxWidth, fontFromNSFont(font));
+}
+
++ (NSString *)rightTruncateString:(NSString *)string toWidth:(float)maxWidth withFont:(NSFont *)font
+{
+    return StringTruncator::rightTruncate(string, maxWidth, fontFromNSFont(font));
+}
+
++ (float)widthOfString:(NSString *)string font:(NSFont *)font
+{
+    return StringTruncator::width(string, fontFromNSFont(font));
+}
+
+@end