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Reconcile handling of mouse and touch drag start events #545

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Reconcile handling of mouse and touch drag start events #545

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4 changes: 3 additions & 1 deletion lib/DraggableCore.js
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Original file line number Diff line number Diff line change
Expand Up @@ -243,6 +243,7 @@ export default class DraggableCore extends React.Component<DraggableCoreProps, D
// https://developers.google.com/web/updates/2017/01/scrolling-intervention
const thisNode = this.findDOMNode();
if (thisNode) {
addEvent(thisNode, eventsFor.mouse.start, this.onMouseDown, {passive: false});
addEvent(thisNode, eventsFor.touch.start, this.onTouchStart, {passive: false});
}
}
Expand All @@ -258,6 +259,7 @@ export default class DraggableCore extends React.Component<DraggableCoreProps, D
removeEvent(ownerDocument, eventsFor.touch.move, this.handleDrag);
removeEvent(ownerDocument, eventsFor.mouse.stop, this.handleDragStop);
removeEvent(ownerDocument, eventsFor.touch.stop, this.handleDragStop);
removeEvent(thisNode, eventsFor.mouse.start, this.onMouseDown, {passive: false});
removeEvent(thisNode, eventsFor.touch.start, this.onTouchStart, {passive: false});
if (this.props.enableUserSelectHack) removeUserSelectStyles(ownerDocument);
}
Expand Down Expand Up @@ -447,7 +449,7 @@ export default class DraggableCore extends React.Component<DraggableCoreProps, D
return React.cloneElement(React.Children.only(this.props.children), {
// Note: mouseMove handler is attached to document so it will still function
// when the user drags quickly and leaves the bounds of the element.
onMouseDown: this.onMouseDown,
// onMouseDown is added on `componentDidMount` so the click can be cancelled
onMouseUp: this.onMouseUp,
// onTouchStart is added on `componentDidMount` so they can be added with
// {passive: false}, which allows it to cancel. See
Expand Down