@class NSURL, OKPresentationViewController, OKDocument; @interface OKWidgetOpusView : OKWidgetView { NSURL *_url; OKDocument *_document; OKPresentationViewController *_presentationViewController; } + (void)setupJavascriptContext:(id)a0; + (id)supportedSettings; - (BOOL)prepareForDisplay:(BOOL)a0; - (void)dealloc; - (id)initWithWidget:(id)a0; - (void)layoutSubviews; - (void)_loadDocumentIfNeeded; - (BOOL)prepareForUnload:(BOOL)a0; - (BOOL)prepareForWarmup:(BOOL)a0; - (void)setSettingUrl:(id)a0; @end