Web application usage of accessory device directly connected to electronic device in non-networked manner

摘要

An accessory device is directly connected in a non-networked manner to an electronic device. The accessory device is to be used by a web application running on a computing device connected to the electronic device over a network. The accessory device has a shared context or an owned context. The shared context specifies that usage of the accessory device is shared among the web application and one or more other web applications. The owned context specifies that the usage of the accessory device is exclusive to the web application and not to any other web application.