Method and system for updating display screens

Abstract

A method and system for updating display screens. A first processor in a first terminal: receives a selection of at least one target browser; detects an event resulting from a user's operation on a first display screen at the first terminal; generates a message including the selected at least one target browser, a description of the event, and a parameter pertaining to the event; and sends the message to a server. Each terminal of the at least one terminal receives the message from the server. Each processor in no less than one terminal of the at least one terminal: has at least one web browser and a respective display screen; ascertains that the at least one target browser in the message includes the at least one web browser; and updates the respective display screen in accordance with the description of the event and the parameter pertaining to the event.

1 . A method for updating display screens, said method performed in a system comprising a first terminal and at least one terminal, said method comprising:
 a first web browser in the first terminal receiving from a server a web page that includes a client program, said server coupled to the first terminal and to each terminal of the at least one terminal, said at least one terminal not including the first terminal;   a first processor in the first terminal executing the client program via execution of the client program by a first client-program executing unit in the first terminal, said first client-program executing unit being external to and coupled to a first web browser in the first terminal, said executing the client program triggered by the first web browser and comprising:
 said first processor receiving a selection of at least one target browser by a user at the first terminal, 
 said first processor detecting an event resulting from the user's operation on a first display screen at the first terminal, 
 in response to said detecting the event, said first processor generating a message comprising the selected at least one target browser, a description of the event, and a parameter pertaining to the event, and 
 said first processor in the first terminal sending the message to the server; 
   each terminal of the at least one terminal receiving the message from the server, each terminal of the at least one terminal comprising at least one web browser to which at least one respective client-program executing unit and at least one respective display screen is coupled, said receiving the message from the server being performed by a processor in each terminal of at the least one terminal via execution of the respective client-program executing unit;   in response to each processor in each terminal receiving the message from the server, each processor in no less than one terminal of the at least one terminal ascertaining, via execution of the respective client-program executing unit, that the at least one target browser in the message comprises the web browser to which the respective client-program executing unit is coupled in each terminal of the no less than one terminal; and   in response to said ascertaining, each processor in the no less than one terminal triggering, via execution of the of the respective client-program executing unit, an updating of the respective display screen in accordance with the description of the event and the parameter pertaining to the event in the message.   
     
     
         2 . The method of  claim 1 , wherein the at least one terminal comprises a plurality of terminals, and wherein the no less than one terminal consists of the plurality of terminals. 
     
     
         3 . The method of  claim 1 , wherein the at least one target browser comprises a plurality of target browsers, said target browsers being different target browsers. 
     
     
         4 . The method of  claim 3 , wherein the plurality of target browsers comprises the first web browser. 
     
     
         5 . The method of  claim 3 , wherein the plurality of target browsers does not comprise the first web browser. 
     
     
         6 . The method of  claim 3 , wherein each group of browsers of at least one group of browsers comprises the first web browser, wherein each target browser is comprised by no less than one group of browsers of the at least one group of browsers, wherein each group of browsers comprises a group identifier that identifies said each group of browsers, and wherein the generated message further comprises the group identifier of each group of browsers. 
     
     
         7 . The method of  claim 6 , wherein the at least one group of browsers comprises a plurality of groups of browsers. 
     
     
         8 . The method of  claim 7 , wherein each target browser is comprised by no more than one group of browsers of the plurality of groups of browsers. 
     
     
         9 . The method of  claim 7 , wherein a first target browser of the plurality of target browsers is comprised by at least two groups of browsers of the plurality of groups of browsers. 
     
     
         10 . The method of  claim 9 , wherein a second target browser of the plurality of target browsers is comprised by no more than one group of browsers of the plurality of groups of browsers. 
     
     
         11 . A system comprising a first terminal and at least one terminal, wherein each terminal of the first terminal and at the least one terminal comprises a processor, a memory coupled to the processor, and a computer readable storage device coupled to the processor and containing program code configured to be executed by the processor via the memory to implement a method, said method comprising:
 a first web browser in the first terminal receiving from a server a web page that includes a client program, said server coupled to the first terminal and to each terminal of the at least one terminal, said at least one terminal not including the first terminal;   a first processor in the first terminal executing the client program via execution of the client program by a first client-program executing unit in the first terminal, said first client-program executing unit being external to and coupled to a first web browser in the first terminal, said executing the client program triggered by the first web browser and comprising:
 said first processor receiving a selection of at least one target browser by a user at the first terminal, 
 said first processor detecting an event resulting from the user's operation on a first display screen at the first terminal, 
 in response to said detecting the event, said first processor generating a message comprising the selected at least one target browser, a description of the event, and a parameter pertaining to the event, and 
 said first processor in the first terminal sending the message to the server; 
   each terminal of the at least one terminal receiving the message from the server, each terminal of the at least one terminal comprising at least one web browser to which at least one respective client-program executing unit and at least one respective display screen is coupled, said receiving the message from the server being performed by a processor in each terminal of at the least one terminal via execution of the respective client-program executing unit;   in response to each processor in each terminal receiving the message from the server, each processor in no less than one terminal of the at least one terminal ascertaining, via execution of the respective client-program executing unit, that the at least one target browser in the message comprises the web browser to which the respective client-program executing unit is coupled in each terminal of the no less than one terminal; and   in response to said ascertaining, each processor in the no less than one terminal triggering, via execution of the of the respective client-program executing unit, an updating of the respective display screen in accordance with the description of the event and the parameter pertaining to the event in the message.   
     
     
         12 . The method of  claim 11 , wherein the at least one terminal comprises a plurality of terminals, and wherein the no less than one terminal consists of the plurality of terminals. 
     
     
         13 . The method of  claim 11 , wherein the at least one target browser comprises a plurality of target browsers, said target browsers being different target browsers. 
     
     
         14 . The method of  claim 13 , wherein the plurality of target browsers comprises the first web browser. 
     
     
         15 . The method of  claim 13 , wherein the plurality of target browsers does not comprise the first web browser. 
     
     
         16 . The method of  claim 13 , wherein each group of browsers of at least one group of browsers comprises the first web browser, wherein each target browser is comprised by no less than one group of browsers of the at least one group of browsers, wherein each group of browsers comprises a group identifier that identifies said each group of browsers, and wherein the generated message further comprises the group identifier of each group of browsers. 
     
     
         17 . The method of  claim 16 , wherein the at least one group of browsers comprises a plurality of groups of browsers. 
     
     
         18 . The method of  claim 17 , wherein each target browser is comprised by no more than one group of browsers of the plurality of groups of browsers. 
     
     
         19 . The method of  claim 17 , wherein a first target browser of the plurality of target browsers is comprised by at least two groups of browsers of the plurality of groups of browsers. 
     
     
         20 . The method of  claim 19 , wherein a second target browser of the plurality of target browsers is comprised by no more than one group of browsers of the plurality of groups of browsers.