// -*- mode: c++; c-basic-offset: 4 -*-

/*

 * 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. 

 */

#ifndef ResourceResponse_h

#define ResourceResponse_h

#include "HTTPHeaderMap.h"

#include "KURL.h"

#if PLATFORM(MAC)

#include <wtf/RetainPtr.h>

#ifdef __OBJC__

@class NSURLResponse;

#else

class NSURLResponse;

#endif

#elif USE(CFNETWORK)

#include <wtf/RetainPtr.h>

typedef struct _CFURLResponse* CFURLResponseRef;

#endif

namespace WebCore {

class ResourceResponse {

public:

    ResourceResponse() 

        : m_expectedContentLength(0)

        , m_httpStatusCode(0)

        , m_expirationDate(0)

        , m_isUpToDate(true)

        , m_isNull(true)

    {

    }

    ResourceResponse(const KURL& url, const String& mimeType, long long expectedLength, const String& textEncodingName, const String& filename)

        : m_url(url)

        , m_mimeType(mimeType)

        , m_expectedContentLength(expectedLength)

        , m_textEncodingName(textEncodingName)

        , m_suggestedFilename(filename)

        , m_httpStatusCode(0)

        , m_expirationDate(0)

        , m_isUpToDate(true)

        , m_isNull(false)

    {

    }

    bool isNull() const { return m_isNull; }

    bool isHTTP() const;

    const KURL& url() const;

    void setUrl(const KURL& url);

    const String& mimeType() const;

    void setMimeType(const String& mimeType);

    long long expectedContentLength() const;

    void setExpectedContentLength(long long expectedContentLength);

    const String& textEncodingName() const;

    void setTextEncodingName(const String& name);

    // FIXME should compute this on the fly

    const String& suggestedFilename() const;

    void setSuggestedFilename(const String&);

    int httpStatusCode() const;

    void setHTTPStatusCode(int);

    const String& httpStatusText() const;

    void setHTTPStatusText(const String&);

    String httpHeaderField(const String& name) const;

    void setHTTPHeaderField(const String& name, const String& value);

    const HTTPHeaderMap& httpHeaderFields() const;

    bool isMultipart() const { return mimeType() == "multipart/x-mixed-replace"; }

    bool isAttachment() const;

    void setExpirationDate(time_t);

    time_t expirationDate() const;

    void setLastModifiedDate(time_t);

    time_t lastModifiedDate() const;

#if PLATFORM(MAC)

    ResourceResponse(NSURLResponse* nsResponse)

        : m_isUpToDate(false)

        , m_isNull(!nsResponse)

        , m_nsResponse(nsResponse) { }

    NSURLResponse *nsURLResponse() const;

#elif USE(CFNETWORK)

    ResourceResponse(CFURLResponseRef cfResponse)

        : m_isUpToDate(false)

        , m_isNull(!cfResponse)

        , m_cfResponse(cfResponse) { }

    CFURLResponseRef cfURLResponse() const;

#endif

 private:

    void updateResourceResponse() const; 

#if PLATFORM(MAC) || USE(CFNETWORK)

    void doUpdateResourceResponse();

#endif

    KURL m_url;

    String m_mimeType;

    long long m_expectedContentLength;

    String m_textEncodingName;

    String m_suggestedFilename;

    int m_httpStatusCode;

    String m_httpStatusText;

    HTTPHeaderMap m_httpHeaderFields;

    time_t m_expirationDate;

    time_t m_lastModifiedDate;

    mutable bool m_isUpToDate;

    bool m_isNull;

#if PLATFORM(MAC)

    RetainPtr<NSURLResponse> m_nsResponse;

#elif USE(CFNETWORK)

    RetainPtr<CFURLResponseRef> m_cfResponse;      

#endif

};

bool operator==(const ResourceResponse& a, const ResourceResponse& b);

inline bool operator!=(const ResourceResponse& a, const ResourceResponse& b) { return !(a == b); }

} // namespace WebCore

#endif // ResourceResponse_h