only dispatch user_activity event if the mouse actually moves (rather than the DOM moving under the mouse)

This commit is contained in:
Matthew Hodgson 2015-11-29 15:39:10 +00:00
parent bed7d50ab8
commit ba090a6ad5

View file

@ -43,7 +43,18 @@ class UserActivity {
document.onkeypress = undefined;
}
_onUserActivity() {
_onUserActivity(event) {
if (event.screenX) {
if (event.screenX === this.lastScreenX &&
event.screenY === this.lastScreenY)
{
// mouse hasn't actually moved
return;
}
this.lastScreenX = event.screenX;
this.lastScreenY = event.screenY;
}
this.lastActivityAtTs = (new Date).getTime();
if (this.lastDispatchAtTs < this.lastActivityAtTs - MIN_DISPATCH_INTERVAL) {
this.lastDispatchAtTs = this.lastActivityAtTs;