/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this file.
** Please review the following information to ensure the GNU Lesser General
** Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
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**************************************************************************/

#include "rendernodeinstanceserver.h"

#include "nodeinstanceclientinterface.h"

#include "pixmapchangedcommand.h"

#include <QDeclarativeView>
#include <QGraphicsItem>

#include <private/qgraphicsitem_p.h>

namespace QmlDesigner {

RenderNodeInstanceServer::RenderNodeInstanceServer(NodeInstanceClientInterface *nodeInstanceClient) :
    NodeInstanceServer(nodeInstanceClient)
{
}

void RenderNodeInstanceServer::findItemChangesAndSendChangeCommands()
{
    static bool inFunction = false;
    if (!inFunction) {
        inFunction = true;

        bool adjustSceneRect = false;

        if (delcarativeView()) {
            foreach (QGraphicsItem *item, delcarativeView()->items()) {
                QGraphicsObject *graphicsObject = item->toGraphicsObject();
                if (graphicsObject && hasInstanceForObject(graphicsObject)) {
                    ServerNodeInstance instance = instanceForObject(graphicsObject);
                    QGraphicsItemPrivate *d = QGraphicsItemPrivate::get(item);

                    if((d->dirty && d->notifyBoundingRectChanged)|| (d->dirty) || nonInstanceChildIsDirty(graphicsObject))
                        m_dirtyInstanceSet.insert(instance);

                    if (d->geometryChanged) {
                        if (instance.isRootNodeInstance())
                            delcarativeView()->scene()->setSceneRect(item->boundingRect());
                    }

                }
            }

            foreach (const InstancePropertyPair& property, changedPropertyList()) {
                const ServerNodeInstance instance = property.first;
                const QString propertyName = property.second;

                if (instance.isRootNodeInstance() && (propertyName == "width" || propertyName == "height"))
                    adjustSceneRect = true;

                if (propertyName == "width" || propertyName == "height")
                    m_dirtyInstanceSet.insert(instance);
            }

            clearChangedPropertyList();
            resetAllItems();

            if (!m_dirtyInstanceSet.isEmpty() && nodeInstanceClient()->bytesToWrite() < 10000) {
                nodeInstanceClient()->pixmapChanged(createPixmapChangedCommand(m_dirtyInstanceSet.toList()));
                m_dirtyInstanceSet.clear();
            }

            if (adjustSceneRect) {
                QRectF boundingRect = rootNodeInstance().boundingRect();
                if (boundingRect.isValid()) {
                    delcarativeView()->setSceneRect(boundingRect);
                }
            }

            slowDownRenderTimer();
            nodeInstanceClient()->flush();
            nodeInstanceClient()->synchronizeWithClientProcess();
        }

        inFunction = false;
    }
}

} // namespace QmlDesigner
