ecad3fb271
* Fix expected load path for a scripting dataengine and change from 'plasma/engines' to 'plasma/dataengines' to be in line with the 'dataengine' type option of the plasmapkg tool CCMAIL: kde-bindings@kde.org svn path=/trunk/KDE/kdelibs/; revision=880550
135 lines
4.4 KiB
C++
135 lines
4.4 KiB
C++
/*
|
|
* Copyright 2007 by Aaron Seigo <aseigo@kde.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU Library General Public License as
|
|
* published by the Free Software Foundation; either version 2, 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
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this program; if not, write to the
|
|
* Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef PLASMA_DATAENGINESCRIPT_H
|
|
#define PLASMA_DATAENGINESCRIPT_H
|
|
|
|
#include <kgenericfactory.h>
|
|
|
|
#include <plasma/plasma_export.h>
|
|
#include <plasma/scripting/scriptengine.h>
|
|
|
|
namespace Plasma
|
|
{
|
|
|
|
class DataEngine;
|
|
class DataEngineScriptPrivate;
|
|
class Service;
|
|
|
|
/**
|
|
* @class DataEngineScript plasma/scripting/dataenginescript.h <Plasma/Scripting/DataEngineScript>
|
|
*
|
|
* @short Provides a restricted interface for scripting a DataEngine
|
|
*/
|
|
class PLASMA_EXPORT DataEngineScript : public ScriptEngine
|
|
{
|
|
Q_OBJECT
|
|
|
|
public:
|
|
/**
|
|
* Default constructor for a DataEngineScript.
|
|
* Subclasses should not attempt to access the Plasma::DataEngine
|
|
* associated with this DataEngineScript in the constructor. All
|
|
* such set up that requires the DataEngine itself should be done
|
|
* in the init() method.
|
|
*/
|
|
explicit DataEngineScript(QObject *parent = 0);
|
|
~DataEngineScript();
|
|
|
|
/**
|
|
* Sets the Plasma::DataEngine associated with this DataEngineScript
|
|
*/
|
|
void setDataEngine(DataEngine *dataEngine);
|
|
|
|
/**
|
|
* Returns the Plasma::DataEngine associated with this script component
|
|
*/
|
|
DataEngine *dataEngine() const;
|
|
|
|
/**
|
|
* @return a list of all the data sources available via this DataEngine
|
|
* Whether these sources are currently available (which is what
|
|
* the default implementation provides) or not is up to the
|
|
* DataEngine to decide. By default, this returns dataEngine()->sources()
|
|
*/
|
|
virtual QStringList sources() const;
|
|
|
|
/**
|
|
* Called when the script should create a source that does not currently
|
|
* exist.
|
|
*
|
|
* @param name the name of the source that should be created
|
|
* @return true if a DataContainer was set up, false otherwise
|
|
*/
|
|
virtual bool sourceRequestEvent(const QString &name);
|
|
|
|
/**
|
|
* Called when the script should refresh the data contained in a given
|
|
* source.
|
|
*
|
|
* @param source the name of the source that should be updated
|
|
* @return true if the data was changed, or false if there was no
|
|
* change or if the change will occur later
|
|
**/
|
|
virtual bool updateSourceEvent(const QString &source);
|
|
|
|
/**
|
|
* @param source the source to targe the Service at
|
|
* @return a Service that has the source as a destination. The service
|
|
* is parented to the DataEngine, but may be deleted by the
|
|
* caller when finished with it
|
|
*/
|
|
virtual Service *serviceForSource(const QString &source);
|
|
|
|
protected:
|
|
/**
|
|
* @return absolute path to the main script file for this plasmoid
|
|
*/
|
|
QString mainScript() const;
|
|
|
|
/**
|
|
* @return the Package associated with this plasmoid which can
|
|
* be used to request resources, such as images and
|
|
* interface files.
|
|
*/
|
|
const Package *package() const;
|
|
|
|
void setData(const QString &source, const QString &key,
|
|
const QVariant &value);
|
|
void setData(const QString &source, const QVariant &value);
|
|
void removeAllData(const QString &source);
|
|
void removeData(const QString &source, const QString &key);
|
|
void setMaxSourceCount(uint limit);
|
|
void setMinimumPollingInterval(int minimumMs);
|
|
int minimumPollingInterval() const;
|
|
void setPollingInterval(uint frequency);
|
|
void removeAllSources();
|
|
|
|
private:
|
|
DataEngineScriptPrivate *const d;
|
|
};
|
|
|
|
#define K_EXPORT_PLASMA_DATAENGINESCRIPTENGINE(libname, classname) \
|
|
K_PLUGIN_FACTORY(factory, registerPlugin<classname>();) \
|
|
K_EXPORT_PLUGIN(factory("plasma_dataenginescriptengine_" #libname))
|
|
|
|
} //Plasma namespace
|
|
|
|
#endif
|