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tdenetwork/knewsticker/common/newsengine.h

207 lines
4.8 KiB

/*
* newsengine.h
*
* Copyright (c) 2000, 2001 Frerich Raabe <raabe@kde.org>
*
* This program 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. For licensing and distribution details, check the
* accompanying file 'COPYING'.
*/
#ifndef NEWSENGINE_H
#define NEWSENGINE_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "configiface.h"
#include "xmlnewsaccess.h"
#include <tqptrlist.h>
#include <tqmap.h>
#include <tqpixmap.h>
#include <tdeio/job.h>
#include <tdelocale.h>
#include <ksharedptr.h>
class ConfigAccess;
class NewsIconMgr;
class NewsSourceBase;
class TQBuffer;
class TQDomDocument;
class TDEProcess;
class KURL;
class KDE_EXPORT Article : public XMLNewsArticle, public TDEShared
{
public:
typedef TDESharedPtr<Article> Ptr;
typedef TQValueList<Ptr> List;
Article(NewsSourceBase *, const TQString & = TQString(),
const KURL & = KURL());
bool operator==(const Article &other) const;
bool read() const { return m_read; }
void setRead(bool read) { m_read = read; }
NewsSourceBase *newsSource() const { return m_parent; }
void open();
private:
NewsSourceBase *m_parent; // don't use TDESharedPtr to avoid circular refs!
bool m_read;
};
class KDE_EXPORT NewsSourceBase : public XMLNewsSource, public TDEShared
{
TQ_OBJECT
public:
enum Subject {
Arts = 0, Business, Computers, Games, Health, Home, Recreation,
Reference, Science, Shopping, Society, Sports, Misc, Magazines
};
struct Data {
Data(const TQString &_name = I18N_NOOP("Unknown"),
const TQString &_sourceFile = TQString(),
const TQString &_icon = TQString(),
const Subject _subject = Computers,
unsigned int _maxArticles = 10,
bool _enabled = true, bool _isProgram = false,
const TQString &_language = TQString::fromLatin1("C"))
{
name = _name;
sourceFile = _sourceFile;
icon = _icon;
maxArticles = _maxArticles;
subject = _subject;
enabled = _enabled;
isProgram = _isProgram;
language = _language;
}
TQString name;
TQString sourceFile;
TQString icon;
Subject subject;
unsigned int maxArticles;
bool enabled;
bool isProgram;
TQString language;
};
typedef TDESharedPtr<NewsSourceBase> Ptr;
typedef TQValueList<Ptr> List;
NewsSourceBase(const Data &, ConfigIface *);
virtual TQString newsSourceName() const;
TQString sourceFile() const { return m_data.sourceFile; }
unsigned int maxArticles() const { return m_data.maxArticles; }
TQPixmap icon() const { return m_icon; }
void getIcon();
Data data() const { return m_data; }
Article::List articles() const { return m_articles; }
Article::Ptr article(const TQString &);
static TQString subjectText(const Subject);
signals:
void newNewsAvailable(const NewsSourceBase::Ptr &, bool);
void invalidInput(const NewsSourceBase::Ptr &);
public slots:
virtual void retrieveNews() = 0;
protected slots:
void slotProcessArticles(XMLNewsSource *, bool);
void slotGotIcon(const KURL &, const TQPixmap &);
protected:
Data m_data;
TQPixmap m_icon;
ConfigAccess *m_cfg;
NewsIconMgr *m_newsIconMgr;
Article::List m_articles;
};
class KDE_EXPORT SourceFileNewsSource : public NewsSourceBase
{
TQ_OBJECT
public:
SourceFileNewsSource(const NewsSourceBase::Data &, ConfigIface *);
public slots:
virtual void retrieveNews();
};
// Make sure compilers don't translate
// ProgramNewsSource::ErrorCode into
// enum ErrorCode { 1 = 2, ... }
#undef NOERR
#undef EPERM
#undef ENOENT
#undef EIO
#undef E2BIG
#undef ENOEXEC
#undef EACCESS
#undef ENODEV
#undef ENOSPC
#undef EROFS
#undef ENOSYS
#undef ENODATA
#undef ENONET
#undef EPROTO
#undef EDESTADDRREQ
#undef ESOCKTNOSUPPORT
#undef ENETUNREACH
#undef ENETRESET
#undef ECONNRESET
#undef ETIMEDOUT
#undef ECONNREFUSED
#undef EHOSTDOWN
#undef EHOSTUNREACH
class KDE_EXPORT ProgramNewsSource : public NewsSourceBase
{
TQ_OBJECT
public:
enum ErrorCode { NOERR = 0, EPERM, ENOENT, EIO = 5, E2BIG = 7,
ENOEXEC, EACCESS = 13, ENODEV = 19, ENOSPC = 28, EROFS = 30,
ENOSYS = 38, ENODATA = 61, ENONET = 64, EPROTO = 71, EDESTADDRREQ = 89,
ESOCKTNOSUPPORT = 94, ENETUNREACH = 101, ENETRESET = 102,
ECONNRESET = 104, ETIMEDOUT = 110, ECONNREFUSED, EHOSTDOWN, EHOSTUNREACH,
ENOEXECBIT = 126, EBADREQ = 400, ENOAUTH, EMUSTPAY, EFORBIDDEN, ENOTFOUND,
ETIMEOUT = 408, ESERVERE = 500, EHTTPNOSUP = 505 };
ProgramNewsSource(const NewsSourceBase::Data &, ConfigIface *);
virtual ~ProgramNewsSource();
public slots:
virtual void retrieveNews();
protected slots:
void slotGotProgramOutput(TDEProcess *, char *, int);
void slotProgramExited(TDEProcess *);
private:
static TQString errorMessage(const ErrorCode);
TDEProcess *m_program;
TQBuffer *m_programOutput;
};
#endif // NEWSENGINE_H