QSGNode* QQuickWebPage::updatePaintNode(QSGNode* oldNode, UpdatePaintNodeData*)
{
if (!d->webPageProxy->drawingArea())
return oldNode;
LayerTreeHostProxy* layerTreeHostProxy = d->webPageProxy->drawingArea()->layerTreeHostProxy();
WebLayerTreeRenderer* renderer = layerTreeHostProxy->layerTreeRenderer();
PageProxyNode* node = static_cast<PageProxyNode*>(oldNode);
if (node && node->layerTreeRenderer() != renderer) {
// This means that LayerTreeHostProxy was deleted and recreated while old paint node survived.
// This could happen if web process have crashed. In this case we have to recreate paint node.
delete node;
node = 0;
}
renderer->syncRemoteContent();
if (!node)
node = new PageProxyNode(renderer);
node->setScale(d->contentsScale);
return node;
}
void QQuickWebPagePrivate::paint(QPainter* painter)
{
if (!webPageProxy->drawingArea())
return;
LayerTreeHostProxy* layerTreeHostProxy = webPageProxy->drawingArea()->layerTreeHostProxy();
if (layerTreeHostProxy->layerTreeRenderer())
layerTreeHostProxy->layerTreeRenderer()->paintToGraphicsContext(painter);
}
QSGNode* QQuickWebPage::updatePaintNode(QSGNode* oldNode, UpdatePaintNodeData*)
{
if (!d->webPageProxy->drawingArea())
return oldNode;
LayerTreeHostProxy* layerTreeHostProxy = d->webPageProxy->drawingArea()->layerTreeHostProxy();
WebLayerTreeRenderer* renderer = layerTreeHostProxy->layerTreeRenderer();
QtWebPageSGNode* node = static_cast<QtWebPageSGNode*>(oldNode);
if (!node)
node = new QtWebPageSGNode();
node->setRenderer(renderer);
renderer->syncRemoteContent();
node->setScale(d->contentsScale);
QColor backgroundColor = d->webPageProxy->drawsTransparentBackground() ? Qt::transparent : Qt::white;
QRectF backgroundRect(QPointF(0, 0), d->contentsSize);
node->setBackground(backgroundRect, backgroundColor);
return node;
}
