/*

 * Copyright (C) 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 "config.h"

#include "SharedBuffer.h"

#include "WebCoreObjCExtras.h"

#include <runtime/InitializeThreading.h>

#include <string.h>

#include <wtf/PassRefPtr.h>

#ifdef BUILDING_ON_TIGER

typedef unsigned NSUInteger;

#endif

using namespace WebCore;

@interface WebCoreSharedBufferData : NSData

{

    RefPtr<SharedBuffer> sharedBuffer;

}

- (id)initWithSharedBuffer:(SharedBuffer*)buffer;

@end

@implementation WebCoreSharedBufferData

+ (void)initialize

{

    JSC::initializeThreading();

    WTF::initializeMainThreadToProcessMainThread();

#ifndef BUILDING_ON_TIGER

    WebCoreObjCFinalizeOnMainThread(self);

#endif

}

- (void)dealloc

{

    if (WebCoreObjCScheduleDeallocateOnMainThread([WebCoreSharedBufferData class], self))

        return;

    [super dealloc];

}

- (void)finalize

{

    [super finalize];

}

- (id)initWithSharedBuffer:(SharedBuffer*)buffer

{

    self = [super init];

    if (self)

        sharedBuffer = buffer;

    return self;

}

- (NSUInteger)length

{

    return sharedBuffer->size();

}

- (const void *)bytes

{

    return reinterpret_cast<const void*>(sharedBuffer->data());

}

@end

namespace WebCore {

PassRefPtr<SharedBuffer> SharedBuffer::wrapNSData(NSData *nsData)

{

    return adoptRef(new SharedBuffer((CFDataRef)nsData));

}

NSData *SharedBuffer::createNSData()

{    

    return [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this];

}

CFDataRef SharedBuffer::createCFData()

{

    if (m_cfData) {

        CFRetain(m_cfData.get());

        return m_cfData.get();

    }

    return (CFDataRef)RetainPtr<WebCoreSharedBufferData>(AdoptNS, [[WebCoreSharedBufferData alloc] initWithSharedBuffer:this]).releaseRef();

}

PassRefPtr<SharedBuffer> SharedBuffer::createWithContentsOfFile(const String& filePath)

{

    NSData *resourceData = [NSData dataWithContentsOfFile:filePath];

    if (resourceData) 

        return SharedBuffer::wrapNSData(resourceData);

    return 0;

}

}