Fix touch support.

[taliastocks]

Fix touch support. In case we are dragging something clickable, preventDefault on drag, not on mousedown/touchstart.

[taliastocks]

I have not recompiled the minified version of the script. I assume you have a process for doing that.

[taliastocks]

On mobile, this prevents the page from scrolling while dragging an object.

[klemens-u]

Hi, thanks for the patch but I've got a problem with it:

On touch devices like iPad or Android I experienced a problem:
I've got the following markup:
ul
li
a href=xyz

Clicking on links works now with your patch, also the dragging works, but when dropping the link is clicked instead of firing the onDrop event.

Any idea?

[taliastocks]

Hmm, I'm not sure. Feel free to investigate. I didn't end up using this library for the feature I was working on, after all, so I don't have a lot invested in debugging this anymore.

[ycatch]

Hi. This is great Fix!
I was successful it on FirefoxOS.

[devmotionfr]

If anyone is having this error in console :
[Intervention] Unable to preventDefault inside passive event listener due to target being treated as passive

Just add touch-action: none; to the css of the ul or ol to fix it

[dugwood]

@devmotionfr I've used html { touch-action: manipulation; } to do it for the whole page. I don't remember exactly why though... And just added a comment that touch-action: pan-x will prevent the whole page to be scrolled (that should have been a solution for this warning when it first appeared).