ResourcePtr<ImageResource> ImageResource::fetch(FetchRequest& request, ResourceFetcher* fetcher)
{
if (request.resourceRequest().requestContext() == WebURLRequest::RequestContextUnspecified)
request.mutableResourceRequest().setRequestContext(WebURLRequest::RequestContextImage);
if (fetcher->context().pageDismissalEventBeingDispatched()) {
KURL requestURL = request.resourceRequest().url();
if (requestURL.isValid() && fetcher->context().canRequest(Resource::Image, request.resourceRequest(), requestURL, request.options(), request.forPreload(), request.originRestriction()))
fetcher->context().sendImagePing(requestURL);
return 0;
}
if (fetcher->clientDefersImage(request.resourceRequest().url()))
request.setDefer(FetchRequest::DeferredByClient);
return toImageResource(fetcher->requestResource(request, ImageResourceFactory()));
}
ResourcePtr<ImageResource> ResourceFetcher::fetchImage(FetchRequest& request)
{
request.setDefer(clientDefersImage(request.resourceRequest().url()) ? FetchRequest::DeferredByClient : FetchRequest::NoDefer);
ResourcePtr<Resource> resource = requestResource(Resource::Image, request);
return resource && resource->type() == Resource::Image ? toImageResource(resource) : 0;
}