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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "qt5previewnodeinstanceserver.h"
#include "changepreviewimagesizecommand.h"
#include "createscenecommand.h"
#include "nodeinstanceclientinterface.h"
#include "removesharedmemorycommand.h"
#include "statepreviewimagechangedcommand.h"
#include <QQuickView>
#include <QQuickItem>
#include <private/qquickdesignersupport_p.h>
namespace QmlDesigner {
Qt5PreviewNodeInstanceServer::Qt5PreviewNodeInstanceServer(NodeInstanceClientInterface *nodeInstanceClient) :
Qt5NodeInstanceServer(nodeInstanceClient)
{
setSlowRenderTimerInterval(100000000);
setRenderTimerInterval(100);
}
void Qt5PreviewNodeInstanceServer::createScene(const CreateSceneCommand &command)
{
initializeView();
registerFonts(command.resourceUrl);
setTranslationLanguage(command.language);
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 (!rootNodeInstance().holdsGraphical())
return;
if (!inFunction && nodeInstanceClient()->bytesToWrite() < 10000) {
inFunction = true;
QQuickDesignerSupport::polishItems(quickWindow());
QVector<ImageContainer> imageContainerVector;
imageContainerVector.append(ImageContainer(0, renderPreviewImage(), -1));
QList<ServerNodeInstance> stateInstances = rootNodeInstance().stateInstances();
const QList<ServerNodeInstance> groupInstances = allGroupStateInstances();
for (ServerNodeInstance instance : groupInstances) {
stateInstances.append(instance.stateInstances());
}
for (ServerNodeInstance instance : qAsConst(stateInstances)) {
instance.activateState();
QImage previewImage = renderPreviewImage();
if (!previewImage.isNull())
imageContainerVector.append(ImageContainer(instance.instanceId(),
renderPreviewImage(),
instance.instanceId()));
instance.deactivateState();
}
nodeInstanceClient()->statePreviewImagesChanged(
StatePreviewImageChangedCommand(imageContainerVector));
slowDownRenderTimer();
handleExtraRender();
inFunction = false;
}
}
void Qt5PreviewNodeInstanceServer::changeState(const ChangeStateCommand &/*command*/)
{
}
QImage Qt5PreviewNodeInstanceServer::renderPreviewImage()
{
// Ensure the state preview image is always clipped properly to root item dimensions
if (auto rootItem = qobject_cast<QQuickItem *>(rootNodeInstance().internalObject()))
rootItem->setClip(true);
rootNodeInstance().updateDirtyNodeRecursive();
QRectF boundingRect = rootNodeInstance().boundingRect();
QSize previewImageSize = boundingRect.size().toSize();
if (m_previewSize.isValid() && !m_previewSize.isNull())
previewImageSize.scale(m_previewSize, Qt::KeepAspectRatio);
QImage previewImage = rootNodeInstance().renderPreviewImage(previewImageSize);
return previewImage;
}
void QmlDesigner::Qt5PreviewNodeInstanceServer::removeSharedMemory(const QmlDesigner::RemoveSharedMemoryCommand &command)
{
if (command.typeName() == "Image")
ImageContainer::removeSharedMemorys(command.keyNumbers());
}
void Qt5PreviewNodeInstanceServer::changePreviewImageSize(
const ChangePreviewImageSizeCommand &command)
{
m_previewSize = command.size;
collectItemChangesAndSendChangeCommands();
}
bool Qt5PreviewNodeInstanceServer::isPreviewServer() const
{
return true;
}
} // namespace QmlDesigner
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