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****************************************************************************/

#ifndef QDECLARATIVEVIEWOBSERVER_P_P_H
#define QDECLARATIVEVIEWOBSERVER_P_P_H

#include "qdeclarativeviewobserver_p.h"

#include <QtCore/QWeakPointer>
#include <QtCore/QPointF>

#include "QtDeclarative/private/qdeclarativeobserverservice_p.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QDeclarativeViewObserver;
class LiveSelectionTool;
class ZoomTool;
class ColorPickerTool;
class LiveLayerItem;
class BoundingRectHighlighter;
class SubcomponentEditorTool;
class ToolBox;
class AbstractLiveEditTool;

class QDeclarativeViewObserverPrivate : public QObject
{
    Q_OBJECT
public:
    enum ContextFlags {
        IgnoreContext,
        ContextSensitive
    };

    QDeclarativeViewObserverPrivate(QDeclarativeViewObserver *);
    ~QDeclarativeViewObserverPrivate();

    QDeclarativeView *view;
    QDeclarativeViewObserver *q;
    QDeclarativeObserverService *debugService;
    QWeakPointer<QWidget> viewport;
    QHash<int, QString> stringIdForObjectId;

    QPointF cursorPos;
    QList<QWeakPointer<QGraphicsObject> > currentSelection;

    Constants::DesignTool currentToolMode;
    AbstractLiveEditTool *currentTool;

    LiveSelectionTool *selectionTool;
    ZoomTool *zoomTool;
    ColorPickerTool *colorPickerTool;
    SubcomponentEditorTool *subcomponentEditorTool;
    LiveLayerItem *manipulatorLayer;

    BoundingRectHighlighter *boundingRectHighlighter;

    bool designModeBehavior;
    bool showAppOnTop;

    bool animationPaused;
    qreal slowDownFactor;

    ToolBox *toolBox;

    void setViewport(QWidget *widget);

    void clearEditorItems();
    void createToolBox();
    void changeToSelectTool();
    QList<QGraphicsItem*> filterForCurrentContext(QList<QGraphicsItem*> &itemlist) const;
    QList<QGraphicsItem*> filterForSelection(QList<QGraphicsItem*> &itemlist) const;

    QList<QGraphicsItem*> selectableItems(const QPoint &pos) const;
    QList<QGraphicsItem*> selectableItems(const QPointF &scenePos) const;
    QList<QGraphicsItem*> selectableItems(const QRectF &sceneRect, Qt::ItemSelectionMode selectionMode) const;

    void setSelectedItemsForTools(QList<QGraphicsItem *> items);
    void setSelectedItems(QList<QGraphicsItem *> items);
    QList<QGraphicsItem *> selectedItems() const;

    void changeTool(Constants::DesignTool tool,
                    Constants::ToolFlags flags = Constants::NoToolFlags);

    void clearHighlight();
    void highlight(QList<QGraphicsObject *> item, ContextFlags flags = ContextSensitive);
    void highlight(QGraphicsObject *item, ContextFlags flags = ContextSensitive);

    bool mouseInsideContextItem() const;
    bool isEditorItem(QGraphicsItem *item) const;

    QGraphicsItem *currentRootItem() const;

    void enterContext(QGraphicsItem *itemToEnter);

public slots:
    void _q_setToolBoxVisible(bool visible);

    void _q_reloadView();
    void _q_onStatusChanged(QDeclarativeView::Status status);
    void _q_onCurrentObjectsChanged(QList<QObject*> objects);
    void _q_applyChangesFromClient();
    void _q_createQmlObject(const QString &qml, QObject *parent,
                            const QStringList &imports, const QString &filename = QString());
    void _q_reparentQmlObject(QObject *, QObject *);

    void _q_changeToSingleSelectTool();
    void _q_changeToMarqueeSelectTool();
    void _q_changeToZoomTool();
    void _q_changeToColorPickerTool();
    void _q_changeContextPathIndex(int index);
    void _q_clearComponentCache();
    void _q_removeFromSelection(QObject *);

public:
    static QDeclarativeViewObserverPrivate *get(QDeclarativeViewObserver *v) { return v->d_func(); }
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QDECLARATIVEVIEWOBSERVER_P_P_H