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#include "render_widget_host_view_qt_delegate_quick.h"

RenderWidgetHostViewQtDelegateQuick::RenderWidgetHostViewQtDelegateQuick(RenderWidgetHostViewQtDelegateClient *client, QQuickItem *parent)
    : RenderWidgetHostViewQtDelegateQuickBase<QQuickItem>(client, parent)
{
    setFlag(ItemHasContents);
}

void RenderWidgetHostViewQtDelegateQuick::update(const QRect&)
{
    QQuickItem::update();
}

bool RenderWidgetHostViewQtDelegateQuick::supportsHardwareAcceleration() const
{
    return true;
}

void RenderWidgetHostViewQtDelegateQuick::itemChange(ItemChange change, const ItemChangeData &value)
{
    QQuickItem::itemChange(change, value);
    if (change == QQuickItem::ItemSceneChange)
        m_client->windowChanged();
}

QSGNode *RenderWidgetHostViewQtDelegateQuick::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *)
{
    return m_client->updatePaintNode(oldNode, QQuickItem::window());
}

RenderWidgetHostViewQtDelegateQuickPainted::RenderWidgetHostViewQtDelegateQuickPainted(RenderWidgetHostViewQtDelegateClient *client, QQuickItem *parent)
    : RenderWidgetHostViewQtDelegateQuickBase<QQuickPaintedItem>(client, parent)
{
}

void RenderWidgetHostViewQtDelegateQuickPainted::update(const QRect& rect)
{
    polish();
    QQuickPaintedItem::update(rect);
}

void RenderWidgetHostViewQtDelegateQuickPainted::paint(QPainter *painter)
{
    m_client->paint(painter, boundingRect());
}

void RenderWidgetHostViewQtDelegateQuickPainted::updatePolish()
{
    // paint will be called from the scene graph thread and this doesn't play well
    // with chromium's use of TLS while getting the backing store.
    // updatePolish() should be called from the GUI thread right before the rendering thread starts.
    m_client->fetchBackingStore();
}