xmlhttprequest.h

00001 // -*- c-basic-offset: 2 -*-
00002 /*
00003  *  This file is part of the KDE libraries
00004  *  Copyright (C) 2003 Apple Computer, Inc.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU Lesser General Public
00008  *  License as published by the Free Software Foundation; either
00009  *  version 2 of the License, or (at your option) any later version.
00010  *
00011  *  This library is distributed in the hope that it will be useful,
00012  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  *  Lesser General Public License for more details.
00015  *
00016  *  You should have received a copy of the GNU Lesser General Public
00017  *  License along with this library; if not, write to the Free Software
00018  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
00019  */
00020 
00021 #ifndef _XMLHTTPREQUEST_H_
00022 #define _XMLHTTPREQUEST_H_
00023 
00024 #include "ecma/kjs_binding.h"
00025 #include "ecma/kjs_dom.h"
00026 #include "misc/decoder.h"
00027 #include "kio/jobclasses.h"
00028 
00029 namespace KJS {
00030 
00031   class JSEventListener;
00032   class XMLHttpRequestQObject;
00033 
00034   // these exact numeric values are important because JS expects them
00035   enum XMLHttpRequestState {
00036     Uninitialized = 0,
00037     Loading = 1,
00038     Loaded = 2,
00039     Interactive = 3,
00040     Completed = 4
00041   };
00042 
00043   class XMLHttpRequestConstructorImp : public ObjectImp {
00044   public:
00045     XMLHttpRequestConstructorImp(ExecState *exec, const DOM::Document &d);
00046     virtual bool implementsConstruct() const;
00047     virtual Object construct(ExecState *exec, const List &args);
00048   private:
00049     DOM::Document doc;
00050   };
00051 
00052   class XMLHttpRequest : public DOMObject {
00053   public:
00054     XMLHttpRequest(ExecState *, const DOM::Document &d);
00055     ~XMLHttpRequest();
00056     virtual Value tryGet(ExecState *exec, const Identifier &propertyName) const;
00057     Value getValueProperty(ExecState *exec, int token) const;
00058     virtual void tryPut(ExecState *exec, const Identifier &propertyName, const Value& value, int attr = None);
00059     void putValueProperty(ExecState *exec, int token, const Value& value, int /*attr*/);
00060     virtual bool toBoolean(ExecState *) const { return true; }
00061     virtual const ClassInfo* classInfo() const { return &info; }
00062     static const ClassInfo info;
00063     enum { Onload, Onreadystatechange, ReadyState, ResponseText, ResponseXML, Status, StatusText, Abort,
00064            GetAllResponseHeaders, GetResponseHeader, Open, Send, SetRequestHeader };
00065 
00066   private:
00067     friend class XMLHttpRequestProtoFunc;
00068     friend class XMLHttpRequestQObject;
00069 
00070     Value getStatusText() const;
00071     Value getStatus() const;
00072     bool urlMatchesDocumentDomain(const KURL&) const;
00073 
00074     XMLHttpRequestQObject *qObject;
00075 
00076 #ifdef APPLE_CHANGES
00077     void slotData( KIO::Job* job, const char *data, int size );
00078 #else
00079     void slotData( KIO::Job* job, const QByteArray &data );
00080 #endif
00081     void slotFinished( KIO::Job* );
00082     void slotRedirection( KIO::Job*, const KURL& );
00083 
00084     void processSyncLoadResults(const QByteArray &data, const KURL &finalURL, const QString &headers);
00085 
00086     void open(const QString& _method, const KURL& _url, bool _async);
00087     void send(const QString& _body);
00088     void abort();
00089     void setRequestHeader(const QString& name, const QString &value);
00090     Value getAllResponseHeaders() const;
00091     Value getResponseHeader(const QString& name) const;
00092 
00093     void changeState(XMLHttpRequestState newState);
00094 
00095     QGuardedPtr<DOM::DocumentImpl> doc;
00096 
00097     KURL url;
00098     QString method;
00099     bool async;
00100     QMap<QString,QString> requestHeaders;
00101     QString contentType;
00102 
00103     KIO::TransferJob * job;
00104 
00105     XMLHttpRequestState state;
00106     JSEventListener *onReadyStateChangeListener;
00107     JSEventListener *onLoadListener;
00108 
00109     khtml::Decoder *decoder;
00110     QString encoding;
00111     QString responseHeaders;
00112 
00113     QString response;
00114     mutable bool createdDocument;
00115     mutable bool typeIsXML;
00116     mutable DOM::Document responseXML;
00117 
00118     bool aborted;
00119   };
00120 
00121 
00122   class XMLHttpRequestQObject : public QObject {
00123     Q_OBJECT
00124 
00125   public:
00126     XMLHttpRequestQObject(XMLHttpRequest *_jsObject);
00127 
00128   public slots:
00129     void slotData( KIO::Job* job, const QByteArray &data );
00130     void slotFinished( KIO::Job* job );
00131     void slotRedirection( KIO::Job* job, const KURL& url);
00132 
00133   private:
00134     XMLHttpRequest *jsObject;
00135   };
00136 
00137 } // namespace
00138 
00139 #endif
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