Patent ID: 8191009

Claim:
A device for controlling a display on a display device in response to one or more applications, comprising: a receiver that receives a request from one of the applications for acquiring one of predefined display areas each of which is defined so as not to overlap each other; a display area manager that determines whether or not to provide an authorization to acquire the one of the predefined display areas in response to the request; and a storer that stores information of an application waiting for acquiring one of the predefined display areas, wherein, when a plurality of requests for acquiring the same one of the predefined display areas from a plurality of applications are received by the receiver, the authorization is provided to one and only one of the applications that made one of the requests for acquiring the same one of the predefined display areas, a return of an acquisition failure notice determines whether a display area can coexist, and the information of another application which is not provided the authorization is stored in the storer.