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-rw-r--r--WebKit/mac/Misc/WebNSUserDefaultsExtras.m131
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diff --git a/WebKit/mac/Misc/WebNSUserDefaultsExtras.m b/WebKit/mac/Misc/WebNSUserDefaultsExtras.m
deleted file mode 100644
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--- a/WebKit/mac/Misc/WebNSUserDefaultsExtras.m
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-/*
- * Copyright (C) 2005 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 "WebNSUserDefaultsExtras.h"
-
-#import "WebNSObjectExtras.h"
-#import <WebKitSystemInterface.h>
-#import <wtf/Assertions.h>
-
-@implementation NSString (WebNSUserDefaultsPrivate)
-
-- (NSString *)_webkit_HTTPStyleLanguageCode
-{
- // Look up the language code using CFBundle.
- NSString *languageCode = self;
- NSString *preferredLanguageCode = WebCFAutorelease(WKCopyCFLocalizationPreferredName((CFStringRef)self));
-
- if (preferredLanguageCode)
- languageCode = preferredLanguageCode;
-
- // Make the string lowercase.
- NSString *lowercaseLanguageCode = [languageCode lowercaseString];
-
- // Turn a '_' into a '-' if it appears after a 2-letter language code.
- if ([lowercaseLanguageCode length] < 3 || [lowercaseLanguageCode characterAtIndex:2] != '_') {
- return lowercaseLanguageCode;
- }
- NSMutableString *result = [lowercaseLanguageCode mutableCopy];
- [result replaceCharactersInRange:NSMakeRange(2, 1) withString:@"-"];
- return [result autorelease];
-}
-
-@end
-
-@implementation NSUserDefaults (WebNSUserDefaultsExtras)
-
-static NSString *preferredLanguageCode = nil;
-static NSLock *preferredLanguageLock = nil;
-static pthread_once_t preferredLanguageLockOnce = PTHREAD_ONCE_INIT;
-static pthread_once_t addDefaultsChangeObserverOnce = PTHREAD_ONCE_INIT;
-
-static void makeLock(void)
-{
- preferredLanguageLock = [[NSLock alloc] init];
-}
-
-+ (void)_webkit_ensureAndLockPreferredLanguageLock
-{
- pthread_once(&preferredLanguageLockOnce, makeLock);
- [preferredLanguageLock lock];
-}
-
-+ (void)_webkit_defaultsDidChange
-{
- [self _webkit_ensureAndLockPreferredLanguageLock];
-
- [preferredLanguageCode release];
- preferredLanguageCode = nil;
-
- [preferredLanguageLock unlock];
-}
-
-static void addDefaultsChangeObserver(void)
-{
- [[NSNotificationCenter defaultCenter] addObserver:[NSUserDefaults class]
- selector:@selector(_webkit_defaultsDidChange)
- name:NSUserDefaultsDidChangeNotification
- object:[NSUserDefaults standardUserDefaults]];
-}
-
-+ (void)_webkit_addDefaultsChangeObserver
-{
- pthread_once(&addDefaultsChangeObserverOnce, addDefaultsChangeObserver);
-}
-
-+ (NSString *)_webkit_preferredLanguageCode
-{
- // Get this outside the lock since it might block on the defaults lock, while we are inside registerDefaults:.
- NSUserDefaults *standardDefaults = [self standardUserDefaults];
-
- BOOL addObserver = NO;
-
- [self _webkit_ensureAndLockPreferredLanguageLock];
-
- if (!preferredLanguageCode) {
- NSArray *languages = [standardDefaults stringArrayForKey:@"AppleLanguages"];
- if ([languages count] == 0) {
- preferredLanguageCode = [@"en" retain];
- } else {
- preferredLanguageCode = [[[languages objectAtIndex:0] _webkit_HTTPStyleLanguageCode] copy];
- }
- addObserver = YES;
- }
-
- NSString *code = [[preferredLanguageCode retain] autorelease];
-
- [preferredLanguageLock unlock];
-
- if (addObserver) {
- [self _webkit_addDefaultsChangeObserver];
- }
-
- return code;
-}
-
-@end