WebGraphicsLayer* WebGraphicsLayer::layerByID(WebKit::WebLayerID id)
{
HashMap<WebLayerID, WebGraphicsLayer*>& table = layerByIDMap();
HashMap<WebLayerID, WebGraphicsLayer*>::iterator it = table.find(id);
if (it == table.end())
return 0;
return it->second;
}
WebGraphicsLayer::~WebGraphicsLayer()
{
layerByIDMap().remove(id());
// This would tell the UI process to release the backing store.
setContentsToImage(0);
if (m_layerTreeTileClient)
m_layerTreeTileClient->didDeleteLayer(id());
}
WebGraphicsLayer::~WebGraphicsLayer()
{
layerByIDMap().remove(id());
if (m_webGraphicsLayerClient) {
purgeBackingStores();
m_webGraphicsLayerClient->detachLayer(this);
}
willBeDestroyed();
}
WebGraphicsLayer::WebGraphicsLayer(GraphicsLayerClient* client)
: GraphicsLayer(client)
, m_maskTarget(0)
, m_inUpdateMode(false)
, m_shouldUpdateVisibleRect(true)
, m_shouldSyncLayerState(true)
, m_shouldSyncChildren(true)
, m_webGraphicsLayerClient(0)
, m_contentsScale(1)
{
static WebLayerID nextLayerID = 1;
m_id = nextLayerID++;
layerByIDMap().add(id(), this);
}
WebGraphicsLayer::WebGraphicsLayer(GraphicsLayerClient* client)
: GraphicsLayer(client)
, m_maskTarget(0)
, m_needsDisplay(false)
, m_modified(true)
, m_contentNeedsDisplay(false)
, m_hasPendingAnimations(false)
, m_inUpdateMode(false)
#if USE(TILED_BACKING_STORE)
, m_layerTreeTileClient(0)
, m_mainBackingStore(adoptPtr(new TiledBackingStore(this, TiledBackingStoreRemoteTileBackend::create(this))))
, m_contentsScale(1.f)
#endif
{
m_mainBackingStore->setContentsScale(1.0);
static WebLayerID nextLayerID = 1;
m_layerInfo.id = nextLayerID++;
layerByIDMap().add(id(), this);
}
