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 /*
  *  This file is part of the KDE libraries
  *  Copyright (C) 2003 Apple Computer, Inc.
  *
  *  This library is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU Lesser General Public
  *  License as published by the Free Software Foundation; either
  *  version 2 of the License, or (at your option) any later version.
  *
  *  This library is distributed in the hope that it will be useful,
  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *  Lesser General Public License for more details.
  *
  *  You should have received a copy of the GNU Lesser General Public
  *  License along with this library; if not, write to the Free Software
  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  */
 
 #ifndef _XMLHTTPREQUEST_H_
 #define _XMLHTTPREQUEST_H_
 
 #include "ecma/kjs_binding.h"
 #include "ecma/kjs_dom.h"
 #include <kencodingdetector.h>
 #include "kio/jobclasses.h"
 #include <QPointer>
 #include <QHash>
 
 #include "xml/dom_nodeimpl.h"
 
 namespace KJS
 {
 
 class JSEventListener;
 class XMLHttpRequestQObject;
 
 class CaseInsensitiveString
 {
 public:
     CaseInsensitiveString(const char *s) : str(QLatin1String(s)) { }
     CaseInsensitiveString(const QString &s) : str(s) { }
 
     QString original() const
     {
         return str;
     }
     QString toLower() const
     {
         return str.toLower();
     }
 
 private:
     QString str;
 };
 
 inline bool operator==(const CaseInsensitiveString &a,
                        const CaseInsensitiveString &b)
 {
     return a.original().compare(b.original(), Qt::CaseInsensitive) == 0;
 }
 
 inline uint qHash(const CaseInsensitiveString &key)
 {
     return qHash(key.toLower());
 }
 
 typedef QHash<CaseInsensitiveString, QString> HTTPHeaderMap;
 
 // these exact numeric values are important because JS expects them
 enum XMLHttpRequestState {
     XHRS_Uninitialized = 0,
     XHRS_Open = 1,
     XHRS_Sent = 2,
     XHRS_Receiving = 3,
     XHRS_Loaded = 4
 };
 
 class XMLHttpRequestConstructorImp : public JSObject
 {
 public:
     XMLHttpRequestConstructorImp(ExecState *exec, DOM::DocumentImpl *d);
     bool implementsConstruct() const override;
     using KJS::JSObject::construct;
     JSObject *construct(ExecState *exec, const List &args) override;
 private:
     SharedPtr<DOM::DocumentImpl> doc;
 };
 
 class XMLHttpRequest : public DOMObject, public DOM::EventTargetImpl
 {
 public:
     XMLHttpRequest(ExecState *, DOM::DocumentImpl *d);
     ~XMLHttpRequest();
 
     Type eventTargetType() const override
     {
         return XML_HTTP_REQUEST;
     }
 
     using KJS::JSObject::getOwnPropertySlot;
     bool getOwnPropertySlot(ExecState *exec, const Identifier &propertyName, PropertySlot &slot) override;
     JSValue *getValueProperty(ExecState *exec, int token) const;
     using KJS::JSObject::put;
     void put(ExecState *exec, const Identifier &propertyName, JSValue *value, int attr = None) override;
     void putValueProperty(ExecState *exec, int token, JSValue *value, int /*attr*/);
     bool toBoolean(ExecState *) const override
     {
         return true;
     }
     const ClassInfo *classInfo() const override
     {
         return &info;
     }
     static const ClassInfo info;
     enum { Onload, Onreadystatechange, ReadyState, ResponseText, ResponseXML, Status, StatusText, Abort,
            GetAllResponseHeaders, GetResponseHeader, Open, Send, SetRequestHeader,
            OverrideMIMEType
          };
 
 private:
     friend class XMLHttpRequestProtoFunc;
     friend class XMLHttpRequestQObject;
 
     JSValue *getStatusText() const;
     JSValue *getStatus() const;
     bool urlMatchesDocumentDomain(const QUrl &) const;
 
     XMLHttpRequestQObject *qObject;
 
 #ifdef APPLE_CHANGES
     void slotData(KIO::Job *job, const char *data, int size);
 #else
     void slotData(KIO::Job *job, const QByteArray &data);
 #endif
     void slotFinished(KJob *);
     void slotRedirection(KIO::Job *, const QUrl &);
 
     void processSyncLoadResults(const QByteArray &data, const QUrl &finalURL, const QString &headers);
 
     void open(const QString &_method, const QUrl &_url, bool _async, int &ec);
     void send(const QString &_body, int &ec);
     void abort();
     void setRequestHeader(const QString &name, const QString &value, int &ec);
     void overrideMIMEType(const QString &override);
     JSValue *getAllResponseHeaders(int &ec) const;
     JSValue *getResponseHeader(const QString &name, int &ec) const;
 
     void changeState(XMLHttpRequestState newState);
 
     QPointer<DOM::DocumentImpl> doc;
 
     QUrl url;
     QString m_method;
     bool async;
     HTTPHeaderMap m_requestHeaders;
     QString m_mimeTypeOverride;
     QString contentType;
 
     KIO::StoredTransferJob *job;
 
     XMLHttpRequestState m_state;
     JSEventListener *onReadyStateChangeListener;
     JSEventListener *onLoadListener;
 
     KEncodingDetector *decoder;
     bool              binaryMode; // just byte-expand data,
     // don't pass it through the decoder.
     void clearDecoder();
 
     QString encoding;
     QString responseHeaders;
 
     QString response;
     mutable bool createdDocument;
     mutable bool typeIsXML;
     mutable SharedPtr<DOM::DocumentImpl> responseXML;
 
     bool aborted;
 };
 
 class XMLHttpRequestQObject : public QObject
 {
     Q_OBJECT
 
 public:
     XMLHttpRequestQObject(XMLHttpRequest *_jsObject);
 
 public Q_SLOTS:
     void slotData(KIO::Job *job, const QByteArray &data);
     void slotFinished(KJob *job);
     void slotRedirection(KIO::Job *job, const QUrl &url);
 
 private:
     XMLHttpRequest *jsObject;
 };
 
 } // namespace
 
 #endif