Method, Apparatus and Computer Program Product for Providing a Scrolling Mechanism for Touch Screen Devices

• US 20090002324A1
• Filed: 06/27/2007
• Published: 01/01/2009
• Est. Priority Date: 06/27/2007
• Status: Abandoned Application

• Current Assignee: Nokia Corporation
• Original Assignee: Nokia Corporation
• Inventors: Aharon, Yael, Harbeson, Peter, Horton, Sherman
• Application Number:
  US11/769,187
• Publication Number:
  US 20090002324A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 3/0485 Scrolling or panning
• CPC Class Codes: G06F 3/04855 Interaction with scrollbars
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures

Abstract

An apparatus for providing a scrolling mechanism for touch screen devices may include a detector, a scroll cursor generator and a scrolling device. The detector may be configured to receive an indication of a detection of a touch event at a touch screen display generating a content view of at least a portion of a content page. The scroll cursor generator may be in communication with the detector and may be configured to generate a scroll cursor at a touch position corresponding to movement of an object associated with the touch event. The scrolling device may be in communication with the scroll cursor generator and may be configured to provide scrolling over the content page in response to the scroll cursor contacting a predefined portion of the content view.

Claims

1. A method comprising:

receiving an indication of a detection of a touch event at a touch screen display generating a content view of at least a portion of a content page;

generating a scroll cursor at a touch position corresponding to movement of an object associated with the touch event; and

scrolling over the content page in response to the scroll cursor contacting a predefined portion of the content view.

2. A method according to claim 1, wherein generating the scroll cursor comprises visualizing a geometric shape having a predetermined size centered on the touch position.

3. A method according to claim 2, wherein generating the scroll cursor comprises visualizing a circle of a predefined radius centered on the touch position.

4. A method according to claim 1, wherein generating the scroll cursor comprises generating a graphic element having a size determined based on characteristics of the touch screen display.

5. A method according to claim 1, wherein generating the scroll cursor comprises generating a graphic element having a characteristic determined based on user input.

6. A method according to claim 1, wherein scrolling over the content page comprises moving the portion of the content page that appears in the content view in a direction substantially opposite to a cardinal direction associated with an edge of the content view with which the scroll cursor is in contact.

7. A method according to claim 6, wherein scrolling over the content page comprises scrolling over the content page until the edge of the content view corresponds to a page edge corresponding to the cardinal direction of the scrolling.

8. A method according to claim 6, wherein scrolling over the content page comprises scrolling over the content page until the touch event is terminated by removing the object from contact with the touch screen display.

9. A method according to claim 6, wherein scrolling over the content page comprises scrolling over the content page until the scroll cursor is removed from contact with the edge of the content view.

10. A method according to claim 1, wherein scrolling over the content page comprises scrolling over the content page at a speed that is proportional to an amount of the scroll cursor that is in contact with the predefined portion of the content view.

11. A computer program product comprising at least one computer-readable storage medium having computer-readable program code portions stored therein, the computer-readable program code portions comprising:

a first executable portion for receiving an indication of a detection of a touch event at a touch screen display generating a content view of at least a portion of a content page;

a second executable portion for generating a scroll cursor at a touch position corresponding to movement of an object associated with the touch event; and

a third executable portion for scrolling over the content page in response to the scroll cursor contacting a predefined portion of the content view.

12. A computer program product according to claim 11, wherein the second executable portion includes instructions for visualizing a geometric shape having a predetermined size centered on the touch position.

13. A computer program product according to claim 12, wherein the second executable portion includes instructions for visualizing a circle of a predefined radius centered on the touch position.

14. A computer program product according to claim 11, wherein the second executable portion includes instructions for generating a graphic element having a size determined based on characteristics of the touch screen display.

15. A computer program product according to claim 11, wherein the second executable portion includes instructions for generating a graphic element having a characteristic determined based on user input.

16. A computer program product according to claim 11, wherein the third executable portion includes instructions for moving the portion of the content page that appears in the content view in a direction substantially opposite to a cardinal direction associated with an edge of the content view with which the scroll cursor is in contact.

17. A computer program product according to claim 16, wherein the third executable portion includes instructions for scrolling over the content page until the edge of the content view corresponds to a page edge corresponding to the cardinal direction of the scrolling.

18. A computer program product according to claim 16, wherein the third executable portion includes instructions for scrolling over the content page until the touch event is terminated by removing the object from contact with the touch screen display.

19. A computer program product according to claim 16, wherein the third executable portion includes instructions for scrolling over the content page until the scroll cursor is removed from contact with the edge of the content view.

20. A computer program product according to claim 11, wherein the third executable portion includes instructions for scrolling over the content page at a speed that is proportional to an amount of the scroll cursor that is in contact with the predefined portion of the content view.

21. An apparatus comprising:

a detector configured to receive an indication of a detection of a touch event at a touch screen display generating a content view of at least a portion of a content page;

a scroll cursor generator in communication with the detector and configured to generate a scroll cursor at a touch position corresponding to movement of an object associated with the touch event; and

a scrolling device in communication with the scroll cursor generator and configured to provide scrolling over the content page in response to the scroll cursor contacting a predefined portion of the content view.

22. An apparatus according to claim 21, wherein the second executable portion includes instructions for visualizing a geometric shape having a predetermined size centered on the touch position.

23. An apparatus according to claim 22, wherein the scroll cursor generator is further configured to visualize a circle of a predefined radius centered on the touch position.

24. An apparatus according to claim 21, wherein the scroll cursor generator is further configured to generate a graphic element having a size determined based on characteristics of the touch screen display.

25. An apparatus according to claim 21, wherein the scroll cursor generator is further configured to generate a graphic element having a characteristic determined based on user input.

26. An apparatus according to claim 21, wherein the scrolling device is further configured to move the portion of the content page that appears in the content view in a direction substantially opposite to a cardinal direction associated with an edge of the content view with which the scroll cursor is in contact.

27. An apparatus according to claim 26, wherein the scrolling device is further configured to provide scrolling over the content page until the edge of the content view corresponds to a page edge corresponding to the cardinal direction of the scrolling.

28. An apparatus according to claim 26, wherein the scrolling device is further configured to provide scrolling over the content page until the touch event is terminated by removing the object from contact with the touch screen display.

29. An apparatus according to claim 26, wherein the scrolling device is further configured to provide scrolling over the content page until the scroll cursor is removed from contact with the edge of the content view.

30. An apparatus according to claim 21, wherein the scrolling device is further configured to provide scrolling over the content page at a speed that is proportional to an amount of the scroll cursor that is in contact with the predefined portion of the content view.

31. An apparatus comprising:

means for receiving an indication of a detection of a touch event at a touch screen display generating a content view of at least a portion of a content page;

means for generating a scroll cursor at a touch position corresponding to movement of an object associated with the touch event; and

means for scrolling over the content page in response to the scroll cursor contacting a predefined portion of the content view.

32. An apparatus according to claim 31, wherein means for scrolling further comprises means for scrolling over the content page at a speed that is proportional to an amount of the scroll cursor that is in contact with the predefined portion of the content view.