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Devices, methods, and user interfaces for processing touch events

  • US 10,936,190 B2
  • Filed: 12/19/2019
  • Issued: 03/02/2021
  • Est. Priority Date: 03/04/2008
  • Status: Active Grant
First Claim
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1. A method performed at an electronic device with a touch-sensitive surface, a processor, and memory storing one or more applications for execution by the processor, the method comprising:

  • consequential to detecting a touch that starts within a view on the touch-sensitive surface;

    sending to a software element associated with the view a plurality of touch events, wherein each touch event comprises a data structure including a phase field that describes a state of the touch at a respective time and the phase field of one of said plurality of touch events is set to a touch phase began value indicating that the touch is new;

    determining whether or not the touch should be ignored; and

    in accordance with a determination that the touch should be ignored, including in said plurality of touch events a touch event whose phase field is set to a touch phase cancel value indicating that the touch has been cancelled.

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