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Update to latest grab-to-pan version

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This commit is contained in:
Rob Wu 2016-10-14 00:55:58 +02:00
parent 8c5b925547
commit c7c6bf1ae8
1 changed files with 12 additions and 3 deletions
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15
web/grab_to_pan.js
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@ -142,7 +142,6 @@
this.element.addEventListener('scroll', this._endPan, true);
event.preventDefault();
event.stopPropagation();
this.document.documentElement.classList.add(this.CSS_CLASS_GRABBING);
var focusedElement = document.activeElement;
if (focusedElement && !focusedElement.contains(event.target)) {
@ -161,8 +160,18 @@
}
var xDiff = event.clientX - this.clientXStart;
var yDiff = event.clientY - this.clientYStart;
this.element.scrollTop = this.scrollTopStart - yDiff;
this.element.scrollLeft = this.scrollLeftStart - xDiff;
var scrollTop = this.scrollTopStart - yDiff;
var scrollLeft = this.scrollLeftStart - xDiff;
if (this.element.scrollTo) {
this.element.scrollTo({
top: scrollTop,
left: scrollLeft,
behavior: 'instant',
});
} else {
this.element.scrollTop = scrollTop;
this.element.scrollLeft = scrollLeft;
}
if (!this.overlay.parentNode) {
document.body.appendChild(this.overlay);
}