Source/WebKit/UIProcess/Cocoa/PreferenceObserver.h

/*
* Copyright (C) 2020 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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.
*/

#pragma once

#import <pal/spi/cocoa/NSUserDefaultsSPI.h>
#import <wtf/Vector.h>
#import <wtf/text/WTFString.h>

OBJC_CLASS WKPreferenceObserver;

__attribute__((visibility("default")))
@interface WKUserDefaults : NSUserDefaults {
@private
    NSString *m_suiteName;
@public
    WKPreferenceObserver *m_observer;
}
@end

__attribute__((visibility("default")))
@interface WKPreferenceObserver : NSObject {
@private
    Vector<RetainPtr<WKUserDefaults>> m_userDefaults;
}
+ (id)sharedInstance;
- (void)preferenceDidChange:(NSString *)domain key:(NSString *)key encodedValue:(NSString *)encodedValue;
@end