Yeah this seems like a pretty valid use case to fix in the gesture system. I'll investigate this for the next release. On Oct 22, 2014 9:19 AM, "Akhilesh" <[email protected]> wrote:
> Apologies for delayed response. Was kind of heads down with the Dreamforce > prep and polymer demos, which were just awesome! > > Coming back to the preventDefault problem, I was able to create a simple > sample that shows the issue. Try this link on Chrome on iOS: > http://jsbin.com/mogusutono > Source: http://jsbin.com/mogusutono/edit?html > > When you click the button, the view navigates to next page with the > paper-input element. And on the next page, paper-input automatically > receives a focus event and and keyboard pops up. Not ideal. I am able to > work-around this by listening for touch-end event after the tap and then > calling event.preventDefault. Would be better if tap event could handle > this automatically for me. This also seems to only happen inside the > UIWebView and not the iOS Safari. > > Let me know if you guys need more details. Hope this helps! > > On Thu, Oct 2, 2014 at 9:59 AM, Steve Orvell <[email protected]> wrote: > >> Hey Akhilesh, >> >> Can you outline why you'd like to prevent clicks? Is it because some >> other user code may have installed a click listener you want to avoid or is >> it some native platform action (e.g. following a link) that you want to >> abort? >> >> It would be great if you could just preventDefault in the tap event, >> unfortunately, tap is generated separately from click and is typically >> fired after it. >> >> As Daniel mentioned, we're investigating providing a relatively easy way >> to do this in PolymerGestures. >> >> On Thu, Oct 2, 2014 at 8:57 AM, 'Daniel Freedman' via Polymer < >> [email protected]> wrote: >> >>> Hi Akhilesh >>> >>> We don't currently have a strategy to prevent clicks. I can take a look >>> at what that would entail. >>> >>> Touch-action is only supposed to control scrolling and zoom, so making >>> the "none" value control clicks as well is a little outside the intended >>> scope. >>> >>> What you can do for now is place a document wide, capturing click >>> listener that calls stopPropagation inside the "up" event handler, and then >>> remove that click handler when a click happens, or after a timeout. This is >>> the approach I am planning to evaluate. >>> I have been trying to figure out an easier way to prevent click events >>> from an element that listens for tap. This is more of an issue on touch >>> devices (iOS in particular). Here's an example: >>> http://jsbin.com/totuhoveguke/2/edit >>> >>> One solution is to attach another listener for touchend and then do >>> event.preventDefault(). This causes weird side-effects which I want to >>> avoid. Ideally my assumption was that when I am using touch-action = >>> "none", I will be able to avoid all default browser events. >>> >>> What's the best solution for such cases? >>> >>> >>> Follow Polymer on Google+: plus.google.com/107187849809354688692 >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Polymer" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/polymer-dev/6f3bb3d1-52cb-4b89-9424-2cfdec3139f2%40googlegroups.com >>> <https://groups.google.com/d/msgid/polymer-dev/6f3bb3d1-52cb-4b89-9424-2cfdec3139f2%40googlegroups.com?utm_medium=email&utm_source=footer> >>> . >>> For more options, visit https://groups.google.com/d/optout. >>> >>> Follow Polymer on Google+: plus.google.com/107187849809354688692 >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "Polymer" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/polymer-dev/CAAUAVAgfxq6JQDX%2Bev%2BPtbuo48a2D780rZLP2VpQ_AJBujUxEQ%40mail.gmail.com >>> <https://groups.google.com/d/msgid/polymer-dev/CAAUAVAgfxq6JQDX%2Bev%2BPtbuo48a2D780rZLP2VpQ_AJBujUxEQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> > Follow Polymer on Google+: plus.google.com/107187849809354688692 --- You received this message because you are subscribed to the Google Groups "Polymer" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/polymer-dev/CAAUAVAhM-h2UVCT5tgChNC6i8%3DxsToGCf_eYVXrE8Of6f8%3DHvA%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
