/*
 * Copyright (C) 2006 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. ``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
 * 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. 
 */

#if TARGET_OS_IPHONE
@class WebFrame;
#endif

@interface WebCache : NSObject
{
}

+ (NSArray *)statistics;
+ (void)empty;
#if TARGET_OS_IPHONE
+ (void)emptyInMemoryResources;
+ (void)sizeOfDeadResources:(int *)resources;
// SPI to add a CGImageRef directly to the WebCore cache.
+ (bool)addImageToCache:(CGImageRef)image forURL:(NSURL *)url;
+ (bool)addImageToCache:(CGImageRef)image forURL:(NSURL *)url forFrame:(WebFrame *)frame;
+ (void)removeImageFromCacheForURL:(NSURL *)url;
+ (void)removeImageFromCacheForURL:(NSURL *)url forFrame:(WebFrame *)frame;
+ (CGImageRef)imageForURL:(NSURL *)url;
#endif
+ (void)setDisabled:(BOOL)disabled;
+ (BOOL)isDisabled;
+ (void)clearCachedCredentials;

@end