goldendict-ng/externalviewer.hh

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/* This file is (c) 2008-2011 Konstantin Isakov <ikm@users.berlios.de>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#ifndef __EXTERNALVIEWER_HH_INCLUDED__
#define __EXTERNALVIEWER_HH_INCLUDED__
#include <QObject>
#include <QTemporaryFile>
#include <QProcess>
#include <vector>
#include "ex.hh"
/// An external viewer, opens resources in other programs
class ExternalViewer: public QObject
{
Q_OBJECT
QTemporaryFile tempFile;
QProcess viewer;
QString viewerProgram;
QString tempFileName;
public:
DEF_EX( Ex, "External viewer exception", std::exception )
DEF_EX( exCantCreateTempFile, "Couldn't create temporary file.", Ex )
DEF_EX_STR( exCantRunViewer, "Couldn't run external viewer:", Ex )
ExternalViewer( QObject * parent, std::vector< char > const & data,
QString const & extension, QString const & viewerProgram )
throw( exCantCreateTempFile );
~ExternalViewer();
void start() throw( exCantRunViewer );
private slots:
void viewerFinished( int, QProcess::ExitStatus );
signals:
void finished( ExternalViewer * );
};
class ExternalViewerDeleter: public QObject
{
Q_OBJECT
public:
static ExternalViewerDeleter & instance();
public slots:
void deleteExternalViewer( ExternalViewer * e );
private:
ExternalViewerDeleter( QObject * parent ): QObject( parent )
{}
};
#endif