bool WebGraphicsLayer::setChildren(const Vector<GraphicsLayer*>& children)
{
bool ok = GraphicsLayer::setChildren(children);
if (!ok)
return false;
for (int i = 0; i < children.size(); ++i) {
WebGraphicsLayer* child = toWebGraphicsLayer(children[i]);
child->setContentsScale(m_contentsScale);
child->notifyChange();
}
notifyChange();
return true;
}
void WebGraphicsLayer::setMaskLayer(GraphicsLayer* layer)
{
if (layer == maskLayer())
return;
GraphicsLayer::setMaskLayer(layer);
if (!layer)
return;
layer->setSize(size());
WebGraphicsLayer* webGraphicsLayer = toWebGraphicsLayer(layer);
webGraphicsLayer->setLayerTreeTileClient(layerTreeTileClient());
webGraphicsLayer->setMaskTarget(this);
webGraphicsLayer->setContentsScale(m_contentsScale);
webGraphicsLayer->notifyChange();
notifyChange();
}
void WebGraphicsLayer::setContentsScale(float scale)
{
for (size_t i = 0; i < children().size(); ++i) {
WebGraphicsLayer* layer = toWebGraphicsLayer(this->children()[i]);
layer->setContentsScale(scale);
}
if (WebGraphicsLayer* mask = toWebGraphicsLayer(maskLayer()))
mask->setContentsScale(scale);
m_contentsScale = scale;
if (m_mainBackingStore && m_mainBackingStore->contentsScale() == scale)
return;
notifyChange();
m_previousBackingStore = m_mainBackingStore.release();
m_mainBackingStore = adoptPtr(new TiledBackingStore(this, TiledBackingStoreRemoteTileBackend::create(this)));
m_mainBackingStore->setContentsScale(scale);
}