/***************************************************************************
 *   Copyright (C) 2004 by Teemu Rytilahti                                 *
 *   teemu.rytilahti@kde-fi.org                                            *
 *                                                                         *
 *   Licensed under GPL.                                                   *
 ***************************************************************************/

#ifndef VIEWER_H
#define VIEWER_H

#include <tdehtml_part.h>

class KURL;

namespace TDEIO
{
    class MetaData;
}

namespace KlamAV
{
    class Viewer : public TDEHTMLPart
    {
        TQ_OBJECT
        public:
            Viewer(TQWidget* parent, const char* name);
            virtual bool closeURL();
            virtual bool openURL(const KURL &);
            TQString loadFile( const TQString& file );
            
            /** used by the BrowserRun object to call TDEHTMLPart::openURL() */
            void openPage(const KURL& url) { TDEHTMLPart::openURL(url);}

        public slots:
            
            void slotScrollUp(); 
            void slotScrollDown();
            void slotZoomIn();
            void slotZoomOut();
            void slotSetZoomFactor(int percent);
            void slotPrint();
            void setSafeMode();

            virtual void slotPaletteOrFontChanged() = 0;

        signals:
            /** This gets emitted when url gets clicked */
            void urlClicked(const KURL& url, bool background=false);

            protected: // methods
            int pointsToPixel(int points) const;

        protected slots:
            virtual void slotOpenURLRequest(const KURL& url, const KParts::URLArgs& args);
            virtual void slotPopupMenu(KXMLGUIClient*, const TQPoint&, const KURL&, const KParts::URLArgs&, KParts::BrowserExtension::PopupFlags, mode_t);

            /** Copies current link to clipboard. */
            void slotCopyLinkAddress();

            /** Copies currently selected text to clipboard */
            virtual void slotCopy();
            
            /** Opens @c m_url inside this viewer */
            virtual void slotOpenLinkInternal();

            /** Opens @c m_url in external viewer, eg. Konqueror */
            virtual void slotOpenLinkInBrowser();

            /** Opens @c m_url in foreground tab */
            virtual void slotOpenLinkInForegroundTab();

            /** Opens @c m_url in background tab */
            virtual void slotOpenLinkInBackgroundTab();
            
            /** This changes cursor to wait cursor */
            void slotStarted(TDEIO::Job *);

            /** This reverts cursor back to normal one */
            void slotCompleted();

            virtual void slotSelectionChanged();

        protected: // attributes
            KURL m_url;
            
        private:
            /**
             * Display article in external browser.
             */
            void displayInExternalBrowser(const KURL &url, const TQString &mime);
    };
}

#endif // VIEWER_H
