Method for viewing document information on a mobile communication device

• US 8,583,691 B2
• Filed: 07/27/2011
• Issued: 11/12/2013
• Est. Priority Date: 08/31/2004
• Status: Active Grant

• Current Assignee: Malikie Innovations Limited (Key Patent Innovations Limited)
• Original Assignee: Blackberry Limited
• Inventors: Sylthe, Olav A., Dumitru, Dan, Yuan, Jainwei Oliver
• Primary Examiner(s): Lu, Charles
• Application Number:
  US13/191,705
• Publication Number:
  US 20120023181A1
• Time in Patent Office: 839 Days
• Field of Search: 707/790
• US Class Current: 707/790
• CPC Class Codes: G06F 16/9577 Optimising the visualization of content, e.g. distillation of HTML documents
• CPC Class Codes: H04L 67/04 specially adapted for terminals or networks with limited capabilities; specially adapted for terminal portability
• CPC Class Codes: H04L 67/2876 Pairs of inter-processing entities at each side of the network, e.g. split proxies
• CPC Class Codes: H04L 67/561 Adding application-functional data or data for application control, e.g. adding metadata
• CPC Class Codes: H04L 67/568 Storing data temporarily at an intermediate stage, e.g. caching
• CPC Class Codes: H04L 9/40 Network security protocols

Abstract

A process for viewing document information on a mobile communication device without having to retrieve the full document onto the device. The solution is client-server based. The client is the mobile device attachment viewing application and the server is the document (attachment) handling process on a remote machine. The process comprises server document information construction and delivery, and document information display on the mobile device.

Claims

1. A process for providing document information to a mobile communication device relating to an email attachment document of an email stored on a server, the process executed by the server and comprising:

renaming said email attachment document using a temporary file extension;

transmitting said email to said mobile communication device without transmitting said email attachment document to said mobile communication device;

receiving from the mobile communication device a request for document information, wherein the document information includes an original document format type of the email attachment document;

processing said email attachment document wherein said processing comprises;

opening said email attachment document in binary mode, resulting in the prevention of any macro or operation in the email attachment document from being executed;

constructing only a top level of a document structure for said email attachment document;

searching said top level including binary document data;

locating a file signature indicative of the original document format type;

obtaining said document information according to document format type; and

, adding said document information as attributes to a root component of the document structure; and

transmitting said document information to said mobile communication device , without transmitting full content of the email attachment document.

2. The process of claim 1, wherein said processing further comprises constructing a graph structure within said server, said graph structure containing said document information.

3. The process of claim 2, wherein said constructing further comprises:

creating a root node, and at least one child node storing contents of said email attachment document;

determining said document information by examining said email attachment document ;

retrieving said document information; and

, adding said document information to said root node.

4. The process of claim 3, wherein said examining further comprises searching document binary data of said email attachment document and finding said document information.

5. The process of claim 3, wherein said document information is added to said root node and wherein said document information is an attribute of said root node.

6. The process of claim 2, wherein said graph structure is a Document Object Model (DOM).

7. The process of claim 1, wherein said displaying further comprises presenting said document information on a static screen area of said mobile communication device.

8. The process of claim 7, wherein said static screen area is a title bar.

9. The process of claim 1, wherein said displaying further comprises caching and then presenting said document information using GUI elements on a dynamic screen area of said mobile communication device.

10. The process of claim 9, wherein said GUI elements include a pop-up message box.

23. The process according to claim 1, wherein said document information includes any of (i) document original format type including any one or more of Archives, Documents, Spreadsheets, Presentations and Images represented on said mobile device by respective icons, (ii) format subtype for identifying a unique software application, and (iii) other document information including at least one of size, creation time, last modified time and author.

11. A process for generating document information at a server for transmitting to a mobile communication device relating to an email attachment document of an email stored on the server, the process comprising the steps performed by the server of:

renaming said email attachment document using a temporary file extension;

transmitting said email to said mobile communication device without transmitting said email attachment document to said mobile communication device;

receiving a request for document information from said mobile communication device, wherein the document information includes an original document format type of the email attachment document;

processing said email attachment document wherein said processing comprises;

opening said email attachment document in binary mode, resulting in the prevention of any macro or operation in the email attachment document from being executed;

constructing only a top level of a document structure for said email attachment document;

searching said top level including binary document data;

locating a file signature indicative of the original document format type;

obtaining said document information according to document format type; and

, adding said document information as attributes to a root component of the document structure; and

transmitting said document information to said mobile communication device , without transmitting full content of the email attachment document.

12. The process of claim 11, wherein said processing further comprises constructing a graph structure within said server, said graph structure containing said document information.

13. The process of claim 12, wherein said constructing further comprises:

creating a root node, and at least one child node storing contents of said email attachment document;

determining said document information by examining said email attachment document;

retrieving said document information; and

, adding said document information to said root node.

14. The process of claim 13, wherein said examining further comprises searching document binary data of said email attachment document and finding said document information.

15. The process of claim 13, wherein said document information is added to said root node and wherein said document information is an attribute of said root node.

16. The process of claim 12, wherein said graph structure is a Document Object Model (DOM).

17. A process for receiving document information for display on a mobile communication device, said document information relating to an email attachment document of an email stored on a server, the process comprising the steps performed by the mobile communication device of:

receiving said email without the email attachment document from said server, said email attachment document having been renamed by said server using a temporary file extension;

transmitting a request for document information including the original document format type to said server such that said server;

opens said email attachment document in binary mode, resulting in the prevention of any macro or operation in the email attachment document from being executed;

constructs only a top level of a document structure for said email attachment document;

searches said top level including binary document data;

locates a file signature indicative of the original document format type;

obtains said document information according to document format type; and

, adds said document information as attributes to a root component of the document structure;

receiving said document information from said server; and

displaying said document information according to the document format type without retrieving full content of the email attachment document onto the mobile communication device.

18. The process of claim 17, wherein said document information comprises a graph structure containing said document information.

19. The process of claim 17, wherein said received document information is statically or dynamically displayed on said mobile communication device.

20. The process of claim 19, wherein said statically displaying further comprises presenting said document information on a static screen area of said mobile communication device where said static screen area is a title bar.

21. The process of claim 19, wherein said dynamically displaying further comprises caching and then presenting said document information using GUI elements on a dynamic screen area of said mobile communication device.

22. The process of claim 20, wherein said GUI elements include a pop-up message box.