Fix natural scroll when reaching extent #188
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spetex
commented
Aug 27, 2019
| .on("touchstart.zoom", touchstarted) | ||
| .on("touchmove.zoom", touchmoved) | ||
| .on("touchend.zoom touchcancel.zoom", touchended) | ||
| .style("touch-action", "none") |
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Have not found the reason for this class. It unfortunately prevents natural page scroll to apply. We can probably programatically add and remove the class during the touchmove if it is necessary.
spetex
commented
Aug 27, 2019
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| var move = constrain(translate(t, p, l), g.extent, translateExtent); | ||
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| if ((move.x != 0 || move.y != 0) && !touchScroll) { |
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touchScroll we need to prevent the noevent() when you are already scrolling the page, the browser ingores it anyways
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As discussed in the issue: #186
I am preventing pan and event cancellation if the content has reached the translateExtent.
I have tested this on an iPhone and multiple different browsers I have on my laptop.