promoe/backend_xmmsclient++/xclientcache.h
2010-03-20 03:19:49 +01:00

107 lines
3 KiB
C++

/**
* This file is a part of Esperanza, an XMMS2 Client.
*
* Copyright (C) 2005-2010 XMMS2 Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* 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. See the
* GNU General Public License for more details.
*/
#ifndef __XCLIENTCACHE_H__
#define __XCLIENTCACHE_H__
// for Xmms::bin definition
#include "xmmsclient/xmmsclient++/result.h"
class XClient;
namespace Xmms {
class Dict;
class PropDict;
}
// class XClientCache;
// #include "xclient.h"
#include <QObject>
#include <QHash>
#include <QList>
#include <QVariant>
class QIcon;
class QPixmap;
//#include <QPixmapCache>
typedef QHash<QString, QVariant> QVariantHash;
class XClientCache : public QObject
{
Q_OBJECT
public:
XClientCache (XClient *);
/* Returns the metadata of the given medialib id, if it is cached
* locally. If the metadata is not cached, an empty QHash is returned
* If the metadata is not cached and fetchFromServer is true, the
* metadata is fetched from the server and a entryChanged SIGNAL is
* emitted to notify the caller that the metadata has arrived
* DO NOT use this function with fetchFromServer set to false if you
* didn't understand this explanation
*/
QHash<QString, QVariant> get_info (uint32_t id,
bool fetchFromServer=true);
QVariantHash get_current_info () {return get_info (m_current_id);}
QIcon get_icon (uint32_t id);
QPixmap get_pixmap (uint32_t id);
QVariant extra_info_get (uint32_t, const QString &);
int get_current_id () { return m_current_id; }
void extra_info_set (uint32_t, const QString &, const QVariant &);
void invalidate (uint32_t);
void invalidate_all ();
bool extra_info_has (uint32_t id, const QString &s) {
if (m_extra_info.contains (id))
if (m_extra_info[id].contains (s))
return true;
return false;
};
signals:
void entryChanged (uint32_t);
void entryRemoved (uint32_t);
void playtime (uint32_t);
void activeEntryChanged (QVariantHash);
public slots:
void got_connection (XClient *);
private:
bool handle_medialib_info (const Xmms::PropDict &info);
bool handle_medialib_info_error (const std::string &, uint32_t);
bool handle_mlib_entry_changed (const uint32_t &id);
bool handle_current_id_changed (const uint32_t &id);
bool handle_bindata (const Xmms::bin &, const QString &);
bool handle_playtime (const unsigned int &tme);
QHash< uint32_t, QHash<QString, QVariant> > m_info;
QHash < QString, QList <uint32_t> > m_icon_map;
QHash < int, QHash < QString, QVariant > > m_extra_info;
uint32_t m_current_id;
XClient *m_client;
};
#endif