workspace/plasma/scriptengines/javascript/simplejavascriptapplet.h

   1 /*
   2  *   Copyright 2007 Richard J. Moore <rich@kde.org>
   3  *
   4  *   This program is free software; you can redistribute it and/or modify
   5  *   it under the terms of the GNU Library General Public License version 2 as
   6  *   published by the Free Software Foundation
   7  *
   8  *   This program is distributed in the hope that it will be useful,
   9  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  *   GNU General Public License for more details
  12  *
  13  *   You should have received a copy of the GNU Library General Public
  14  *   License along with this program; if not, write to the
  15  *   Free Software Foundation, Inc.,
  16  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17  */
  18
  19 #ifndef SCRIPT_H
  20 #define SCRIPT_H
  21
  22 #include <QScriptValue>
  23
  24 #include <Plasma/AppletScript>
  25 #include <Plasma/DataEngine>
  26
  27 #include "uiloader.h"
  28
  29 class QScriptEngine;
  30 class QScriptContext;
  31
  32 class AppletInterface;
  33
  34 class SimpleJavaScriptApplet : public Plasma::AppletScript
  35 {
  36     Q_OBJECT
  37
  38 public:
  39     SimpleJavaScriptApplet( QObject *parent, const QVariantList &args );
  40     ~SimpleJavaScriptApplet();
  41     bool init();
  42
  43     void reportError();
  44
  45     void paintInterface(QPainter *painter, const QStyleOptionGraphicsItem *option, const QRect &contentsRect);
  46     QList<QAction*> contextualActions();
  47     void constraintsEvent(Plasma::Constraints constraints);
  48
  49     Q_INVOKABLE QString findDataResource( const QString &filename );
  50     Q_INVOKABLE void debug( const QString &msg );
  51
  52 public slots:
  53     void dataUpdated( const QString &name, const Plasma::DataEngine::Data &data );
  54     void showConfigurationInterface();
  55     void configAccepted();
  56     void executeAction(const QString &name);
  57
  58 private:
  59     void importExtensions();
  60     void setupObjects();
  61     void callFunction(const QString &functionName, const QScriptValueList &args = QScriptValueList());
  62
  63     static QString findSvg(QScriptEngine *engine, const QString &file);
  64     static QScriptValue dataEngine(QScriptContext *context, QScriptEngine *engine);
  65     static QScriptValue service(QScriptContext *context, QScriptEngine *engine);
  66     static QScriptValue loadui(QScriptContext *context, QScriptEngine *engine);
  67     static QScriptValue newPlasmaSvg(QScriptContext *context, QScriptEngine *engine);
  68     static QScriptValue newPlasmaFrameSvg(QScriptContext *context, QScriptEngine *engine);
  69
  70     void installWidgets( QScriptEngine *engine );
  71     static QScriptValue createWidget(QScriptContext *context, QScriptEngine *engine);
  72     static QScriptValue print(QScriptContext *context, QScriptEngine *engine);
  73     static QScriptValue createPrototype( QScriptEngine *engine, const QString &name );
  74
  75 private:
  76     static KSharedPtr<UiLoader> s_widgetLoader;
  77     QScriptEngine *m_engine;
  78     QScriptValue m_self;
  79     AppletInterface *m_interface;
  80     friend class AppletInterface;
  81 };
  82
  83
  84 #endif // SCRIPT_H
  85