METHOD FOR SHARING A FILE WHEN MULTIPLE VERSIONS EXIST

• US 20130238720A1
• Filed: 03/09/2012
• Published: 09/12/2013
• Est. Priority Date: 03/09/2012
• Status: Abandoned Application

• Current Assignee: Blackberry Limited
• Original Assignee: Blackberry Limited
• Inventors: Tulasidas, Sivanesan, Vinayagamoorthy, Sivakaran, Bandong, Jose Enrique Macapagal, Pena, Pedro Eduardo Villanueva
• Application Number:
  US13/415,895
• Publication Number:
  US 20130238720A1
• Time in Patent Office: Days
• US Class Current: 709/206
• CPC Class Codes: H04L 67/1095 Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
• CPC Class Codes: H04W 4/08 User group management

Abstract

The present disclosure provides a method for sharing a file when multiple versions exist. Differences between the different versions of a file (e.g., attachment) are determined and only the determined differences are communicated. The complete file (e.g., attachment) can be recreated on user devices using a previous version of the file (e.g., attachment) and the transmitted differences, and the complete file (e.g., attachment) can be displayed on user devices so that the operation of the method is not visible to device users.

Claims

1. A method for sharing a file between a group of at least two electronic devices, the method comprising:

receiving a message sent from one of the electronic devices in the group, the message having a new version of the file associated therewith;

determining differences between the new version of the file and a previous version of the file;

storing one or both of the new version of the file and the determined differences; and

communicating the determined differences to other electronic devices in the group.

2. The method of claim 1, wherein the communicating comprises:

sending a message to the other members of the group, the message including a link to one of both of the new version of the file or the determined differences.

3. The method of claim 1, wherein the communicating comprises:

sending a message to the other members of the group, the message having the determined differences associated therewith.

4. The method of claim 3, further comprising:

forming a coded message including an indication of the determined differences; and

sending the coded message to other members of the group.

5. The method of claim 4, comprising:

sending the message and the coded message to other members of the group.

6. The method of claim 5, further comprising:

receiving the message and the coded message on another electronic device in the group;

recreating the new version of the file on the other electronic device using the previous version of the file and the identification of the changed content in the new version of the file provided in the coded message; and

associating the recreated file with the received message on the other electronic device.

7. The method of claim 1, comprising determining locations of the determined differences between the new version of the file and the previous version of the file to identify changed content in the new version of the file, the coded message further including the location of the determined differences to provide an identification of the changed content in the new version of the file.

8. The method of claim 1, further comprising:

initiating a data communication session in response to receiving an originating message having an original version of the file which meets predetermined criterion, the data communication session for communicating files between the at least two electronic devices.

9. The method of claim 8, wherein the data communication session is between a wireless connector system and the at least two electronic devices, wherein the data communication session is initiated by the wireless connector system in response to the wireless connector system receiving the originating message having an original version of the file which meets predetermined criterion.

10. The method of claim 8, wherein the predetermined criterion is a size of the original version of the file exceeds a size threshold.

11. The method of claim 8, wherein the predetermined criterion is a file type of the original file is of predetermined type.

12. The method of claim 8, further comprising:

creating a profile of the original version of the file in response to initiating the data communication session, wherein the profile includes a listing of one or more content elements included in the file and a location of the one or more content elements in the file;

wherein the determining includes comparing the new version of the file with the previous version of the file for each of the one or more content elements in the profile to determine the differences between the new version of the file and the previous version of the file.

13. The method of claim 12, wherein the profile identifies each of the one or more content elements by content type when more than one content type is supported by the file.

14. The method of claim 8, wherein the data communication session is managed by a cloud based messaging server, wherein the data communication session is initiated by the cloud based messaging server in response to receiving the originating message having an original version of the file which meets predetermined criterion.

15. The method of claim 1, wherein the message is an email message and the file is an attachment to the email message.

16. A method for sharing a file between a group of at least two electronic devices, the method comprising:

receiving a coded message including an indication of the determined differences between a new version of a file and a previous version of the attachment;

recreating the new version of the file using the previous version of the file and the identification of the changed content in the new version of the file provided in the coded message.

17. The method of claim 16, comprising:

receiving a content message and the coded message; and

associating the recreated file with the received content message.

18. The method of claim 17, further comprising:

displaying the received content message as a new message on a display with the recreated file presented as a file to the new message.

19. The method of claim 16, further comprising:

storing the recreated file at least temporarily in memory on the other electronic device.

20. The method of claim 16, wherein the content message is an email message and the file is an attachment to the email message.

21. An electronic device, comprising:

a processor; and

a communication subsystem coupled to the processor;

the processor configured for;

receiving a message sent from one of the electronic devices in a group of at least two electronic devices, the message having a new version of the file associated therewith;

determining differences between the new version of the file and a previous version of the file;

storing one or both of the new version of the file and the determined differences; and

communicating the determined differences to other electronic devices in the group.

22. The electronic device of claim 21, further comprising facilitating a data communication session between members of the group.

23. The electronic device of claim 21, wherein the message is an email message and the file is an attachment to the email message.