--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/mac/LoggingMac.mm	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2003, 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``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 COMPUTER, INC. OR
+ * 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. 
+ */
+
+#include "Logging.h"
+
+namespace WebCore {
+
+static inline void initializeWithUserDefault(WTFLogChannel& channel)
+{
+    NSString *logLevelString = [[NSUserDefaults standardUserDefaults] objectForKey:[NSString stringWithUTF8String:channel.defaultName]];
+    if (logLevelString) {
+        unsigned logLevel;
+        if (![[NSScanner scannerWithString:logLevelString] scanHexInt:&logLevel])
+            NSLog(@"unable to parse hex value for %s (%@), logging is off", channel.defaultName, logLevelString);
+        if ((logLevel & channel.mask) == channel.mask)
+            channel.state = WTFLogChannelOn;
+        else
+            channel.state = WTFLogChannelOff;
+    }
+}
+
+void InitializeLoggingChannelsIfNecessary()
+{
+    static bool haveInitializedLoggingChannels = false;
+    if (haveInitializedLoggingChannels)
+        return;
+    haveInitializedLoggingChannels = true;
+    
+    initializeWithUserDefault(LogNotYetImplemented);
+    initializeWithUserDefault(LogFrames);
+    initializeWithUserDefault(LogLoading);
+    initializeWithUserDefault(LogPopupBlocking);
+    initializeWithUserDefault(LogEvents);
+    initializeWithUserDefault(LogEditing);
+    initializeWithUserDefault(LogLiveConnect);
+    initializeWithUserDefault(LogIconDatabase);
+    initializeWithUserDefault(LogSQLDatabase);
+    initializeWithUserDefault(LogSpellingAndGrammar);
+    initializeWithUserDefault(LogBackForward);
+    initializeWithUserDefault(LogHistory);
+    initializeWithUserDefault(LogPageCache);
+    initializeWithUserDefault(LogPlatformLeaks);
+    initializeWithUserDefault(LogNetwork);
+    initializeWithUserDefault(LogFTP);
+    initializeWithUserDefault(LogThreading);
+    initializeWithUserDefault(LogStorageAPI);
+    initializeWithUserDefault(LogMedia);
+    initializeWithUserDefault(LogPlugins);
+    initializeWithUserDefault(LogArchives);
+}
+
+}