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fix iPadOS 13 multi-touch issue

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SangYeob Yu 2019-12-10 16:29:20 +09:00
parent c962613afc
commit 831c06c499
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GPG Key ID: 75695C78C073ECCD
1 changed files with 8 additions and 2 deletions
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10
src/mousetracker.js
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@ -2661,7 +2661,7 @@
{
eventSource: tracker,
pointerType: curGPoint.type,
position: getPointRelativeToAbsolute( curGPoint.currentPos, tracker.element ),
position: curGPoint.currentPos && getPointRelativeToAbsolute( curGPoint.currentPos, tracker.element ),
buttons: pointsList.buttons,
pointers: tracker.getActivePointerCount(),
insideElementPressed: updateGPoint ? updateGPoint.insideElementPressed : false,
@ -2958,10 +2958,16 @@
return false;
}
// OS-specific gestures (e.g. swipe up with four fingers in iPadOS 13)
if (gPoints[ 0 ].type === "touch" && typeof gPoints[ 0 ].currentPos === "undefined") {
abortContacts(tracker, event, pointsList);
return false;
}
for ( i = 0; i < gPointCount; i++ ) {
curGPoint = gPoints[ i ];
updateGPoint = pointsList.getById( curGPoint.id );
if ( updateGPoint ) {
// Update the pointer, stop tracking it if not still in this element
if ( updateGPoint.captured ) {