/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
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** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
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** $QT_END_LICENSE$
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****************************************************************************/

#ifndef GLOBALINSPECTOR_H
#define GLOBALINSPECTOR_H

#include "qquickwindowinspector.h"

#include <QtCore/QObject>
#include <QtCore/QPointer>
#include <QtCore/QHash>
#include <QtQuick/QQuickItem>

QT_BEGIN_NAMESPACE

namespace QmlJSDebugger {

class SelectionHighlight;

class GlobalInspector : public QObject
{
    Q_OBJECT
public:
    GlobalInspector(QObject *parent = 0) : QObject(parent), m_eventId(0) {}
    ~GlobalInspector();

    void setSelectedItems(const QList<QQuickItem *> &items);
    void showSelectedItemName(QQuickItem *item, const QPointF &point);

    void addWindow(QQuickWindow *window);
    void setParentWindow(QQuickWindow *window, QWindow *parentWindow);
    void setQmlEngine(QQuickWindow *window, QQmlEngine *engine);
    void removeWindow(QQuickWindow *window);
    void processMessage(const QByteArray &message);

signals:
    void messageToClient(const QString &name, const QByteArray &data);

private slots:
    void sendResult(int requestId, bool success);

private:
    void sendCurrentObjects(const QList<QObject *> &objects);
    void removeFromSelectedItems(QObject *object);
    QString titleForItem(QQuickItem *item) const;
    QString idStringForObject(QObject *obj) const;
    bool createQmlObject(int requestId, const QString &qml, QObject *parent,
                         const QStringList &importList, const QString &filename);
    bool destroyQmlObject(QObject *object, int requestId, int debugId);
    bool syncSelectedItems(const QList<QQuickItem *> &items);

    // Hash< object to be destroyed, QPair<destroy eventId, object debugId> >
    QList<QPointer<QQuickItem> > m_selectedItems;
    QHash<QQuickItem *, SelectionHighlight *> m_highlightItems;
    QList<QQuickWindowInspector *> m_windowInspectors;
    int m_eventId;
};

} // QmlJSDebugger

QT_END_NAMESPACE

#endif // GLOBALINSPECTOR_H
