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#ifndef QFXWEBVIEW_H
#define QFXWEBVIEW_H

#include <QtGui/QAction>
#include <QtCore/QUrl>
#include <QtDeclarative/qfxglobal.h>
#include <QtDeclarative/qfxpainteditem.h>
#include <QtNetwork/qnetworkaccessmanager.h>
#include <QtWebKit/QWebPage>

QT_BEGIN_HEADER

class QWebHistory;
class QWebSettings;

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)
class QFxWebViewPrivate;
class QNetworkRequest;
class QFxWebView;

class Q_DECLARATIVE_EXPORT QFxWebPage : public QWebPage
{
    Q_OBJECT
public:
    explicit QFxWebPage(QFxWebView *parent);
    ~QFxWebPage();
protected:
    QObject *createPlugin(const QString &classid, const QUrl &url, const QStringList &paramNames, const QStringList &paramValues);
private:
    QFxWebView *viewItem();
};


class QFxWebViewAttached;
class QFxWebSettings;

//### TODO: new web "windows" (popups)
//### TODO: browser plugins
//### TODO: smart zooming using e.g. DIV

class Q_DECLARATIVE_EXPORT QFxWebView : public QFxPaintedItem
{
    Q_OBJECT

    Q_PROPERTY(QString title READ title NOTIFY titleChanged)
    Q_PROPERTY(QPixmap icon READ icon NOTIFY iconChanged)
    Q_PROPERTY(qreal textSizeMultiplier READ textSizeMultiplier WRITE setTextSizeMultiplier DESIGNABLE false)
    Q_PROPERTY(qreal zoomFactor READ zoomFactor WRITE setZoomFactor NOTIFY zoomFactorChanged)
    Q_PROPERTY(QString status READ status NOTIFY statusChanged) //### statusText

    Q_PROPERTY(int mouseX READ mouseX) //### remove and find way to handle double clicking
    Q_PROPERTY(int mouseY READ mouseY)

    Q_PROPERTY(QString html READ html WRITE setHtml)

    Q_PROPERTY(int idealWidth READ idealWidth WRITE setIdealWidth NOTIFY idealWidthChanged) //### widthHint
    Q_PROPERTY(int idealHeight READ idealHeight WRITE setIdealHeight NOTIFY idealHeightChanged) //### heightHint
    Q_PROPERTY(int cacheSize READ cacheSize WRITE setCacheSize) //### remove
    Q_PROPERTY(QUrl url READ url WRITE setUrl NOTIFY urlChanged) //### change immediately
    Q_PROPERTY(qreal progress READ progress NOTIFY progressChanged)
    //### status

    Q_PROPERTY(bool interactive READ interactive WRITE setInteractive NOTIFY interactiveChanged) //### Really needed here??

    Q_PROPERTY(QObject* reload READ reloadAction CONSTANT) //### QAction
    Q_PROPERTY(QObject* back READ backAction CONSTANT) //### QAction
    Q_PROPERTY(QObject* forward READ forwardAction CONSTANT) //### QAction
    Q_PROPERTY(QObject* stop READ stopAction CONSTANT) //### QAction

    Q_PROPERTY(QFxWebSettings* settings READ settingsObject CONSTANT)

    Q_PROPERTY(QmlList<QObject *>* javaScriptWindowObjects READ javaScriptWindowObjects CONSTANT)

public:
    QFxWebView(QFxItem *parent=0);
    ~QFxWebView();

    QUrl url() const;
    void setUrl(const QUrl &);

    QString title() const;

    QPixmap icon() const;

    qreal textSizeMultiplier() const;
    void setTextSizeMultiplier(qreal);

    qreal zoomFactor() const;
    void setZoomFactor(qreal);

    bool interactive() const;
    void setInteractive(bool);

    int mouseX() const;
    int mouseY() const;

    int idealWidth() const;
    void setIdealWidth(int);
    int idealHeight() const;
    void setIdealHeight(int);


    qreal progress() const;

    QAction *reloadAction() const;
    QAction *backAction() const;
    QAction *forwardAction() const;
    QAction *stopAction() const;

    QWebPage *page() const;
    void setPage(QWebPage *page);

    void load(const QNetworkRequest &request,
              QNetworkAccessManager::Operation operation = QNetworkAccessManager::GetOperation,
              const QByteArray &body = QByteArray());

    QString html() const;

    void setHtml(const QString &html, const QUrl &baseUrl = QUrl());
    void setContent(const QByteArray &data, const QString &mimeType = QString(), const QUrl &baseUrl = QUrl());

    QWebHistory *history() const;
    QWebSettings *settings() const;
    QFxWebSettings *settingsObject() const;

    QString status() const;

    int cacheSize() const;
    void setCacheSize(int pixels);

    QmlList<QObject *> *javaScriptWindowObjects();

    static QFxWebViewAttached *qmlAttachedProperties(QObject *);

Q_SIGNALS:
    void idealWidthChanged();
    void idealHeightChanged();
    void urlChanged();
    void interactiveChanged();
    void progressChanged();
    void titleChanged(const QString&);
    void iconChanged();
    void statusChanged();
    void zoomFactorChanged();

    void loadStarted(); //### document with \qmlsignal
    void loadFinished();
    void loadFailed();

    void singleClick();
    void doubleClick();

public Q_SLOTS:
    QVariant evaluateJavaScript(const QString&);

private Q_SLOTS:
    void expandToWebPage();
    void paintPage(const QRect&);
    void doLoadProgress(int p);
    void doLoadFinished(bool ok);
    void setStatusBarMessage(const QString&);
    void windowObjectCleared();

protected:
    QFxWebView(QFxWebViewPrivate &dd, QFxItem *parent);

    void drawContents(QPainter *, const QRect &);

    void mousePressEvent(QGraphicsSceneMouseEvent *event);
    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    void mouseDoubleClickEvent(QGraphicsSceneMouseEvent *event);
    void hoverMoveEvent (QGraphicsSceneHoverEvent * event);
    void keyPressEvent(QKeyEvent* event);
    void keyReleaseEvent(QKeyEvent* event);
    void timerEvent(QTimerEvent *event);
    virtual void geometryChanged(const QRectF &newGeometry,
                                 const QRectF &oldGeometry);
    virtual void focusChanged(bool);
    virtual bool sceneEvent(QEvent *event);

private:
    void init();
    virtual void componentComplete();
    Q_DISABLE_COPY(QFxWebView)
    Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QFxWebView)
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QFxWebView)

QT_END_HEADER

#endif