/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
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** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QNETWORKREQUEST_H
#define QNETWORKREQUEST_H

#include <QtNetwork/qtnetworkglobal.h>
#include <QtCore/QSharedDataPointer>
#include <QtCore/QString>
#include <QtCore/QUrl>
#include <QtCore/QVariant>

QT_BEGIN_NAMESPACE

class QSslConfiguration;

class QNetworkRequestPrivate;
class Q_NETWORK_EXPORT QNetworkRequest
{
public:
    enum KnownHeaders {
        ContentTypeHeader,
        ContentLengthHeader,
        LocationHeader,
        LastModifiedHeader,
        CookieHeader,
        SetCookieHeader,
        ContentDispositionHeader,  // added for QMultipartMessage
        UserAgentHeader,
        ServerHeader
    };
    enum Attribute {
        HttpStatusCodeAttribute,
        HttpReasonPhraseAttribute,
        RedirectionTargetAttribute,
        ConnectionEncryptedAttribute,
        CacheLoadControlAttribute,
        CacheSaveControlAttribute,
        SourceIsFromCacheAttribute,
        DoNotBufferUploadDataAttribute,
        HttpPipeliningAllowedAttribute,
        HttpPipeliningWasUsedAttribute,
        CustomVerbAttribute,
        CookieLoadControlAttribute,
        AuthenticationReuseAttribute,
        CookieSaveControlAttribute,
        MaximumDownloadBufferSizeAttribute, // internal
        DownloadBufferAttribute, // internal
        SynchronousRequestAttribute, // internal
        BackgroundRequestAttribute,
        SpdyAllowedAttribute,
        SpdyWasUsedAttribute,
        EmitAllUploadProgressSignalsAttribute,
        FollowRedirectsAttribute,
        HTTP2AllowedAttribute,
        HTTP2WasUsedAttribute,
        OriginalContentLengthAttribute,
        RedirectPolicyAttribute,

        User = 1000,
        UserMax = 32767
    };
    enum CacheLoadControl {
        AlwaysNetwork,
        PreferNetwork,
        PreferCache,
        AlwaysCache
    };
    enum LoadControl {
        Automatic = 0,
        Manual
    };

    enum Priority {
        HighPriority = 1,
        NormalPriority = 3,
        LowPriority = 5
    };

    enum RedirectPolicy {
        ManualRedirectPolicy,
        NoLessSafeRedirectPolicy,
        SameOriginRedirectPolicy,
        UserVerifiedRedirectPolicy
    };


    explicit QNetworkRequest(const QUrl &url = QUrl());
    QNetworkRequest(const QNetworkRequest &other);
    ~QNetworkRequest();
#ifdef Q_COMPILER_RVALUE_REFS
    QNetworkRequest &operator=(QNetworkRequest &&other) Q_DECL_NOTHROW { swap(other); return *this; }
#endif
    QNetworkRequest &operator=(const QNetworkRequest &other);

    void swap(QNetworkRequest &other) Q_DECL_NOTHROW { qSwap(d, other.d); }

    bool operator==(const QNetworkRequest &other) const;
    inline bool operator!=(const QNetworkRequest &other) const
    { return !operator==(other); }

    QUrl url() const;
    void setUrl(const QUrl &url);

    // "cooked" headers
    QVariant header(KnownHeaders header) const;
    void setHeader(KnownHeaders header, const QVariant &value);

    // raw headers:
    bool hasRawHeader(const QByteArray &headerName) const;
    QList<QByteArray> rawHeaderList() const;
    QByteArray rawHeader(const QByteArray &headerName) const;
    void setRawHeader(const QByteArray &headerName, const QByteArray &value);

    // attributes
    QVariant attribute(Attribute code, const QVariant &defaultValue = QVariant()) const;
    void setAttribute(Attribute code, const QVariant &value);

#ifndef QT_NO_SSL
    QSslConfiguration sslConfiguration() const;
    void setSslConfiguration(const QSslConfiguration &configuration);
#endif

    void setOriginatingObject(QObject *object);
    QObject *originatingObject() const;

    Priority priority() const;
    void setPriority(Priority priority);

    // HTTP redirect related
    int maximumRedirectsAllowed() const;
    void setMaximumRedirectsAllowed(int maximumRedirectsAllowed);

private:
    QSharedDataPointer<QNetworkRequestPrivate> d;
    friend class QNetworkRequestPrivate;
};

Q_DECLARE_SHARED(QNetworkRequest)

QT_END_NAMESPACE

Q_DECLARE_METATYPE(QNetworkRequest)
Q_DECLARE_METATYPE(QNetworkRequest::RedirectPolicy)

#endif
