environment.h Example File

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#ifndef ENVIRONMENT_H #define ENVIRONMENT_H #include <qobject.h> #include <qlist.h> #include <qhash.h> #include <QTimerEvent> #include <QMouseEvent> #include <QKeyEvent> #include <QScriptEngine> #include <QScriptable> class QContext2DCanvas; class Environment : public QObject { Q_OBJECT Q_PROPERTY(QScriptValue document READ document) public: Environment(QObject *parent = 0); ~Environment(); QScriptValue document() const; void addCanvas(QContext2DCanvas *canvas); QContext2DCanvas *canvasByName(const QString &name) const; QList<QContext2DCanvas*> canvases() const; QScriptValue evaluate(const QString &code, const QString &fileName = QString()); QScriptValue toWrapper(QObject *object); void handleEvent(QContext2DCanvas *canvas, QMouseEvent *e); void handleEvent(QContext2DCanvas *canvas, QKeyEvent *e); void reset(); QScriptEngine *engine() const; bool hasIntervalTimers() const; void triggerTimers(); public slots: int setInterval(const QScriptValue &expression, int delay); void clearInterval(int timerId); int setTimeout(const QScriptValue &expression, int delay); void clearTimeout(int timerId); signals: void scriptError(const QScriptValue &error); protected: void timerEvent(QTimerEvent *event); private: QScriptValue eventHandler(QContext2DCanvas *canvas, const QString &type, QScriptValue *who); QScriptValue newFakeDomEvent(const QString &type, const QScriptValue &target); void maybeEmitScriptError(); QScriptEngine *m_engine; QScriptValue m_originalGlobalObject; QScriptValue m_document; QList<QContext2DCanvas*> m_canvases; QHash<int, QScriptValue> m_intervalHash; QHash<int, QScriptValue> m_timeoutHash; }; class Document : public QObject { Q_OBJECT public: Document(Environment *env); ~Document(); public slots: QScriptValue getElementById(const QString &id) const; QScriptValue getElementsByTagName(const QString &name) const; // EventTarget void addEventListener(const QString &type, const QScriptValue &listener, bool useCapture); }; class CanvasGradientPrototype : public QObject, public QScriptable { Q_OBJECT protected: CanvasGradientPrototype(QObject *parent = 0); public: static void setup(QScriptEngine *engine); public slots: void addColorStop(qreal offset, const QString &color); }; #endif

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