Screen shot display control apparatus, screen shot display control method, integrated circuit for screen shot display control, and server apparatus

A screen shot display control apparatus for activating an application by using a file received from a server apparatus, and displaying a screen shot that is a display image after the activation of the application, during a period from start of the activation of the application to completion of the activation, the screen shot display control apparatus comprising:

• a file reception section for receiving a file required for execution of the application, from the server apparatus;
• a screen shot generation section for generating the screen shot by using the file received by the file reception section;
• a screen shot storing section for storing the screen shot generated by the screen shot generation section;
• a screen shot reception section for receiving, from the server apparatus, difference data indicating a difference between a first screen shot generated by using the file before update and a second screen shot generated by using the file after the update;
• and
• a display selection section for displaying a screen shot obtained by combining the received difference data and the screen shot stored in the screen shot storing section, on a display screen when the screen shot reception section receives the difference data from the server apparatus, and displaying the screen shot stored in the screen shot storing section, on the display screen in the case other than the above.

A screen shot display control method for, in a client apparatus for activating an application by using a file received from a server apparatus, displaying a screen shot, which is an image having a display content at completion of the activation of the application, during a period from start of the activation of the application to the completion of the activation, the screen shot display control method comprising:

• a file reception step of receiving a file required for execution of the application, from the server apparatus;
• a screen shot generation step of generating a screen shot by using the file received at the file reception step;
• a screen shot storing step of storing the screen shot generated at the screen shot generation step;
• a screen shot reception step of, after the file is updated in the server apparatus, receiving a screen shot generated by the server apparatus by using the file after the update, from the server apparatus;
• and
• a display selection step of displaying the received screen shot on a display screen when the screen shot is received from the server apparatus at the screen shot reception step, and displaying the screen shot stored at the screen shot storing step, on the display screen in the case other than the above.

A screen shot display control method for, in a client apparatus for activating an application by using a file received from a server apparatus, displaying a screen shot that is a display image at completion of the activation of the application, during a period from start of the activation of the application to the completion of the activation, the screen shot display control method comprising:

• a file reception step of receiving a file required for execution of the application, from the server apparatus;
• a screen shot generation step of generating a screen shot by using the file received at the file reception step;
• a screen shot storing step of storing the screen shot generated at the screen shot generation step;
• a screen shot reception step of receiving, from the server apparatus, difference data indicating a difference between a first screen shot generated by using the file before update and a second screen shot generated by using the file after the update;
• and
• a display selection step of displaying a screen shot obtained by combining the received difference data and the screen shot stored at the screen shot storing step, on a display screen when the difference data is received from the server apparatus at the screen shot reception step, and displaying the screen shot stored at the screen shot storing step, on the display screen in the case other than the above.

An integrated circuit for, in a client apparatus for activating an application by using a file received from a server apparatus, displaying a screen shot that is a display image at completion of the activation of the application, during a period from start of the activation of the application to the completion of the activation, the integrated circuit comprising:

• a file reception section for receiving a file required for execution of the application, from the server apparatus;
• a screen shot generation section for generating a screen shot by using the file received by the file reception section;
• a screen shot storing section for storing the screen shot generated by the screen shot generation section;
• a screen shot reception section for, after the file is updated in the server apparatus, receiving a screen shot generated by the server apparatus by using the file after the update, from the server apparatus;
• and
• a display selection section for displaying the received screen shot on a display screen when the screen shot reception section receives the screen shot from the server apparatus, and displaying the screen shot stored in the screen shot storing section, on the display screen in the case other than the above.

An integrated circuit for, in a client apparatus for activating an application by using a file received from a server apparatus, displaying a screen shot that is a display image at completion of the activation of the application, during a period from start of the activation of the application to the completion of the activation, the integrated circuit comprising:

• a file reception section for receiving a file required for execution of the application, from the server apparatus;
• a screen shot generation section for generating the screen shot by using the file received by the file reception section;
• a screen shot storing section for storing the screen shot generated by the screen shot generation section;
• a screen shot reception section for receiving, from the server apparatus, difference data indicating a difference between a first screen shot generated by using the file before update and a second screen shot generated by using the file after the update;
• and
• a display selection section for displaying a screen shot obtained by combining the received difference data and the screen shot stored in the screen shot storing section, on a display screen when the screen shot reception section receives the difference data from the server apparatus, and displaying the screen shot stored in the screen shot storing section, on the display screen in the case other than the above.

A server apparatus for transmitting a screen shot during a period from start of activation of an application to completion of the activation, to a client apparatus for displaying a screen shot that is a display image at the completion of the activation of the application, the server apparatus comprising:

• a file transmission section for transmitting a file required for executing the application on the client apparatus, to the client apparatus in response to a request from the client apparatus;
• a screen shot generation section for, after the file is updated, generating a screen shot by using the file after the update;
• a screen shot storing section for storing the screen shot generated by the screen shot generation section;
• a transmission determination section for, when activation of the application is notified from the client apparatus, determining whether or not the screen shot stored in the screen shot storing section has been updated after last execution of the application;
• and
• a screen shot transmission section for transmitting the screen shot stored in the screen shot storing section, to the client apparatus when the transmission determination section determines that the screen shot stored in the screen shot storing section has been updated.

A server apparatus for transmitting difference data for updating a screen shot, during a period from start of activation of an application to completion of the activation, to a client apparatus for displaying a screen shot that is a display image at the completion of the activation of the application, the server apparatus comprising:

• a file transmission section for transmitting a file required for executing the application on the client apparatus, to the client apparatus in response to a request from the client apparatus;
• a screen shot generation section for, after the file is updated, generating a screen shot by using the file after the update;
• a screen shot storing section for storing a first screen shot generated by using the file before the update and a second screen shot generated by using the file after the update;
• a transmission determination section for, when activation of the application is notified from the client apparatus, determining whether or not the second screen shot stored in the screen shot storing section has been updated after last execution of the application;
• and
• a screen shot transmission section for transmitting difference data indicating a difference between the first screen shot and the second screen shot, when the transmission determination section determines that the second screen shot has been updated.