plasma-framework/scriptengines/javascript/common/scriptenv.h

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/*
* Copyright 2007-2008 Richard J. Moore <rich@kde.org>
* Copyright 2009 Aaron J. 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 version 2 as
* published by the Free Software Foundation
*
* 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 SCRIPTENV_H
#define SCRIPTENV_H
#include <QScriptEngine>
#include <QSet>
#include <KPluginInfo>
#include "authorization.h"
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namespace Plasma
{
class Package;
} // namespace Plasma
class ScriptEnv : public QObject
{
Q_OBJECT
public:
enum AllowedUrl { NoUrls = 0,
HttpUrls = 1,
NetworkUrls = 2,
LocalUrls = 4,
AppLaunching = 8};
Q_DECLARE_FLAGS(AllowedUrls, AllowedUrl)
ScriptEnv(QObject *parent, QScriptEngine *engine);
~ScriptEnv();
/**
* Adds common properties (e.g. registerEventFilter)
* for a 'main' object (e.g. plasmoid, engine, runner)
*/
void addMainObjectProperties(QScriptValue &value);
/** Returns the QScriptEngine in use. */
QScriptEngine *engine() const;
/** Returns the ScriptEnv in use for a given QScriptEngine or 0. */
static ScriptEnv *findScriptEnv(QScriptEngine *engine);
static void registerEnums(QScriptValue &scriptValue, const QMetaObject &meta);
bool include(const QString &path);
bool importExtensions(const KPluginInfo &info, QScriptValue &obj, Authorization &authorizer);
QSet<QString> loadedExtensions() const;
bool checkForErrors(bool fatal);
bool addEventListener(const QString &event, const QScriptValue &func);
bool removeEventListener(const QString &event, const QScriptValue &func);
QScriptValue callFunction(QScriptValue &func, const QScriptValueList &args = QScriptValueList(), const QScriptValue &activator = QScriptValue());
bool callEventListeners(const QString &event, const QScriptValueList &args = QScriptValueList());
bool hasEventListeners(const QString &event) const;
QString filePathFromScriptContext(const char *type, const QString &file) const;
Q_SIGNALS:
void reportError(ScriptEnv *engine, bool fatal);
private:
void registerGetUrl(QScriptValue &obj);
void registerOpenUrl(QScriptValue &obj);
bool importBuiltinExtension(const QString &extension, QScriptValue &obj);
static QScriptValue debug(QScriptContext *context, QScriptEngine *engine);
static QScriptValue print(QScriptContext *context, QScriptEngine *engine);
static QScriptValue runApplication(QScriptContext *context, QScriptEngine *engine);
static QScriptValue runCommand(QScriptContext *context, QScriptEngine *engine);
static QScriptValue defaultApplication(QScriptContext *context, QScriptEngine *engine);
static QScriptValue applicationPath(QScriptContext *context, QScriptEngine *engine);
static QScriptValue applicationExists(QScriptContext *context, QScriptEngine *engine);
static QScriptValue openUrl(QScriptContext *context, QScriptEngine *engine);
static QScriptValue getUrl(QScriptContext *context, QScriptEngine *engine);
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static QScriptValue download(QScriptContext *context, QScriptEngine *engine);
static QScriptValue userDataPath(QScriptContext *context, QScriptEngine *engine);
static QScriptValue listAddons(QScriptContext *context, QScriptEngine *engine);
static QScriptValue loadAddon(QScriptContext *context, QScriptEngine *engine);
static QScriptValue registerAddon(QScriptContext *context, QScriptEngine *engine);
static QScriptValue addEventListener(QScriptContext *context, QScriptEngine *engine);
static QScriptValue removeEventListener(QScriptContext *context, QScriptEngine *engine);
static QScriptValue hasExtension(QScriptContext *context, QScriptEngine *engine);
static QScriptValue throwNonFatalError(const QString &msg, QScriptContext *context, QScriptEngine *engine);
private Q_SLOTS:
void signalException();
private:
/** Call to set common properties on the global object **/
void setupGlobalObject();
QSet<QString> m_extensions;
AllowedUrls m_allowedUrls;
QScriptEngine *m_engine;
QHash<QString, QScriptValueList> m_eventListeners;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(ScriptEnv::AllowedUrls)
#endif