#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;
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;
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