116 lines
3.6 KiB
C++
116 lines
3.6 KiB
C++
/*
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* Copyright 2009 by Alan Alpert <alan.alpert@nokia.com>
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* Copyright 2010 by Ménard Alexis <menard@kde.org>
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* Copyright 2010 by Marco MArtin <mart@kde.org>
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the
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* Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef DATASOURCE_H
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#define DATASOURCE_H
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#include <QObject>
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#include <QDeclarativePropertyMap>
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#include "dataengineconsumer_p.h"
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#include <Plasma/DataEngine>
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#include <qdeclarative.h>
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class QDeclarativePropertyMap;
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namespace Plasma
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{
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class DataEngine;
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class DataSource : public QObject, DataEngineConsumer
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{
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Q_OBJECT
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public:
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enum Change {
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NoChange = 0,
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DataEngineChanged = 1,
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SourcesChanged = 2
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};
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Q_DECLARE_FLAGS(Changes, Change)
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typedef QHash<QString, QVariant> Data;
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DataSource(QObject* parent=0);
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Q_PROPERTY(bool valid READ valid)
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bool valid() const {return m_dataEngine != 0;}
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Q_PROPERTY(int interval READ interval WRITE setInterval NOTIFY intervalChanged)
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int interval() const {return m_interval;}
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void setInterval(const int interval);
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Q_PROPERTY(QString engine READ engine WRITE setEngine NOTIFY engineChanged)
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QString engine() const {return m_engine;}
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void setEngine(const QString &e);
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Q_PROPERTY(QStringList connectedSources READ connectedSources WRITE setConnectedSources NOTIFY connectedSourcesChanged)
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QStringList connectedSources() const {return m_connectedSources;}
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void setConnectedSources(const QStringList &s);
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Q_PROPERTY(QStringList sources READ sources NOTIFY sourcesChanged)
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QStringList sources() const {if (m_dataEngine) return m_dataEngine->sources(); else return QStringList();}
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Q_PROPERTY(QVariantMap data READ data NOTIFY dataChanged);
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QVariantMap data() const {return m_data;}
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Q_INVOKABLE QStringList keysForSource(const QString &source) const;
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Q_INVOKABLE Plasma::Service *serviceForSource(const QString &source);
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Q_INVOKABLE void connectSource(const QString &source);
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Q_INVOKABLE void disconnectSource(const QString &source);
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protected Q_SLOTS:
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void dataUpdated(const QString &sourceName, const Plasma::DataEngine::Data &data);
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void removeSource(const QString &source);
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void setupData();
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Q_SIGNALS:
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void newData(const QString &sourceName, const Plasma::DataEngine::Data &data);
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void sourceAdded(const QString &source);
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void sourceRemoved(const QString &source);
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void sourceConnected(const QString &source);
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void sourceDisconnected(const QString &source);
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void intervalChanged();
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void engineChanged();
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void dataChanged();
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void connectedSourcesChanged();
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void sourcesChanged();
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private:
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QString m_id;
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int m_interval;
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QString m_engine;
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QVariantMap m_data;
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Plasma::DataEngine* m_dataEngine;
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QStringList m_connectedSources;
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QStringList m_oldSources;
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QStringList m_newSources;
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Changes m_changes;
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QHash <QString, Plasma::Service *> m_services;
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};
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Q_DECLARE_OPERATORS_FOR_FLAGS(DataSource::Changes)
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}
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#endif
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