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

**

**  This  file  is  part  of  Qt  Creator

**

**  Copyright  (c)  2011  Nokia  Corporation  and/or  its  subsidiary(-ies).

**

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**

**  No  Commercial  Usage

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**  contained  in  the  Technology  Preview  License  Agreement  accompanying

**  this  package.

**

**  GNU  Lesser  General  Public  License  Usage

**

**  Alternatively,  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

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**

**  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.

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

#include "qt5previewnodeinstanceserver.h"

#include "nodeinstanceclientinterface.h"
#include "statepreviewimagechangedcommand.h"
#include "createscenecommand.h"

namespace QmlDesigner {

Qt5PreviewNodeInstanceServer::Qt5PreviewNodeInstanceServer(NodeInstanceClientInterface *nodeInstanceClient) :
    Qt5NodeInstanceServer(nodeInstanceClient)
{
}

void Qt5PreviewNodeInstanceServer::createScene(const CreateSceneCommand &command)
{
    initializeView(command.imports());
    setupScene(command);

    startRenderTimer();
}
void Qt5PreviewNodeInstanceServer::startRenderTimer()
{
    if (timerId() != 0)
        killTimer(timerId());

    int timerId = startTimer(renderTimerInterval());

    setTimerId(timerId);
}

void Qt5PreviewNodeInstanceServer::collectItemChangesAndSendChangeCommands()
{
    static bool inFunction = false;

    if (!inFunction && nodeInstanceClient()->bytesToWrite() < 10000) {
        inFunction = true;
        QVector<ImageContainer> imageContainerVector;
        imageContainerVector.append(ImageContainer(0, renderPreviewImage()));

        foreach (ServerNodeInstance instance,  rootNodeInstance().stateInstances()) {
            instance.activateState();
            imageContainerVector.append(ImageContainer(instance.instanceId(), renderPreviewImage()));
            instance.deactivateState();
        }

        nodeInstanceClient()->statePreviewImagesChanged(StatePreviewImageChangedCommand(imageContainerVector));

        slowDownRenderTimer();
        inFunction = false;
    }
}

void Qt5PreviewNodeInstanceServer::changeState(const ChangeStateCommand &/*command*/)
{

}

QImage Qt5PreviewNodeInstanceServer::renderPreviewImage()
{
    QSize size = rootNodeInstance().boundingRect().size().toSize();
    size.scale(100, 100, Qt::KeepAspectRatio);

    QImage image(size, QImage::Format_ARGB32);

    return image;
}

} // namespace QmlDesigner