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khtml

khtmlimage.h

00001 /* This file is part of the KDE project
00002    Copyright (C) 2000 Simon Hausmann <hausmann@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License as published by the Free Software Foundation; either
00007    version 2 of the License, or (at your option) any later version.
00008 
00009    This library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Library General Public License for more details.
00013 
00014    You should have received a copy of the GNU Library General Public License
00015    along with this library; see the file COPYING.LIB.  If not, write to
00016    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00017    Boston, MA 02110-1301, USA.
00018 */
00019 
00020 #ifndef __khtmlimage_h__
00021 #define __khtmlimage_h__
00022 
00023 #include "khtml_part.h"
00024 #include <kparts/factory.h>
00025 #include <kparts/browserextension.h>
00026 
00027 #include "misc/loader_client.h"
00028 
00029 class KHTMLPart;
00030 class KInstance;
00031 
00032 namespace khtml
00033 {
00034     class CachedImage;
00035 }
00036 
00040 class KHTMLImageFactory : public KParts::Factory
00041 {
00042     Q_OBJECT
00043 public:
00044     KHTMLImageFactory();
00045     virtual ~KHTMLImageFactory();
00046 
00047     virtual KParts::Part *createPartObject( QWidget *parentWidget, const char *widgetName,
00048                                             QObject *parent, const char *name,
00049                                             const char *className, const QStringList &args );
00050 
00051     static KInstance *instance() { return s_instance; }
00052 
00053 private:
00054     static KInstance *s_instance;
00055 };
00056 
00060 class KHTMLImage : public KParts::ReadOnlyPart, public khtml::CachedObjectClient
00061 {
00062     Q_OBJECT
00063 public:
00064     KHTMLImage( QWidget *parentWidget, const char *widgetName,
00065                 QObject *parent, const char *name, KHTMLPart::GUIProfile prof );
00066     virtual ~KHTMLImage();
00067 
00068     virtual bool openFile() { return true; } // grmbl, should be non-pure in part.h, IMHO
00069 
00070     virtual bool openURL( const KURL &url );
00071 
00072     virtual bool closeURL();
00073 
00074     KHTMLPart *doc() const { return m_khtml; }
00075 
00076     virtual void notifyFinished( khtml::CachedObject *o );
00077 
00078 protected:
00079     virtual void guiActivateEvent( KParts::GUIActivateEvent *e );
00080     virtual bool eventFilter( QObject *filterTarget, QEvent *e );
00081 
00082 private slots:
00083     void restoreScrollPosition();
00084 //    void slotImageJobFinished( KIO::Job *job );
00085 
00086 //    void updateWindowCaption();
00087 
00088 private:
00089     void disposeImage();
00090 
00091     QGuardedPtr<KHTMLPart> m_khtml;
00092     KParts::BrowserExtension *m_ext;
00093     QString m_mimeType;
00094     khtml::CachedImage *m_image;
00095     int m_xOffset, m_yOffset;
00096 };
00097 
00101 class KHTMLImageBrowserExtension : public KParts::BrowserExtension
00102 {
00103     Q_OBJECT
00104 public:
00105     KHTMLImageBrowserExtension( KHTMLImage *parent, const char *name = 0 );
00106 
00107     virtual int xOffset();
00108     virtual int yOffset();
00109 
00110 protected slots:
00111     void print();
00112     void reparseConfiguration();
00113     void disableScrolling();
00114 
00115 private:
00116     KHTMLImage *m_imgPart;
00117 };
00118 
00119 #endif

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