/********************************************************************
 KWin - the KDE window manager
 This file is part of the KDE project.

Copyright (C) 2010 Rohan Prabhu <rohan@rohanprabhu.com>

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.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*********************************************************************/

#ifndef KWIN_SCRIPTING_H
#define KWIN_SCRIPTING_H

#include <QScriptClass>
#include <QScriptEngine>
#include <QDir>
#include <QVector>
#include <QSettings>
#include <QVariant>

#include "chelate.h"
#include "workspace.h"
#include "workspaceproxy.h"
#include "s_clientgroup.h"

#include "./../workspace.h"

#include "meta.h"

namespace KWin
{

/** This mostly behaves like a struct. Is used to store
  * the scriptfile, the configfile and the QScriptEngine
  * that will run this script
  */
class Script
{
public:
    QScriptEngine* engine;
    QFile scriptFile;
    QString configFile;
    SWrapper::Workspace* workspace;

    Script(QScriptEngine* _engine, QString scriptName, QDir dir) :
        engine(_engine) {
        scriptFile.setFileName(dir.filePath(scriptName));
        configFile = (QFileInfo(scriptFile).completeBaseName() + QString(".kwscfg"));
    }

    ~Script() {
        delete engine;
    }
};

/**
  * The heart of KWin::Scripting. Infinite power lies beyond
  */
class Scripting : public QScriptEngine
{
    Q_OBJECT
private:
    QStringList scriptList;
    QDir scriptsDir;
    QVector<KWin::Script*> scripts;
    SWrapper::WorkspaceProxy proxy;

    // Preferably call ONLY at load time
    void runScripts();

    // NOTE: Runtime script running is not yet tested.
    // Proceed with caution.
    // An interface to run scripts at runtime
    void runScript(KWin::Script*);

public slots:
    /**
      * A nice clean way to handle exceptions in scripting.
      * TODO: Log to file, show from notifier..
      */
    void sigException(const QScriptValue&);

public:
    Scripting();
    /**
      * Start running scripts. This was essential to have KWin::Scripting
      * be initialized on stack and also have the option to disable scripting.
      */
    void start();
    ~Scripting();
};

}
#endif