diff options
| author | Stanley Yip <stanley_yip@brown.edu> | 2020-04-05 13:25:25 -0700 |
|---|---|---|
| committer | Stanley Yip <stanley_yip@brown.edu> | 2020-04-05 13:25:25 -0700 |
| commit | d352658347f82d95653bb31b3c9f45d95d64ca41 (patch) | |
| tree | 235db444202390cca77fb958636ecda788318e02 | |
| parent | 807743bdd351b639e3328fa1ed6f128738f95b9f (diff) | |
some other changes
| -rw-r--r-- | src/client/views/GestureOverlay.tsx | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/client/views/GestureOverlay.tsx b/src/client/views/GestureOverlay.tsx index 68f1d13fb..9075f8bfa 100644 --- a/src/client/views/GestureOverlay.tsx +++ b/src/client/views/GestureOverlay.tsx @@ -193,7 +193,7 @@ export default class GestureOverlay extends Touchable { }, (500)); } else { - clearTimeout(this._holdTimer); + this._holdTimer && clearTimeout(this._holdTimer); } document.removeEventListener("touchmove", this.onReactTouchMove); document.removeEventListener("touchend", this.onReactTouchEnd); @@ -270,7 +270,7 @@ export default class GestureOverlay extends Touchable { onReactTouchMove = (e: TouchEvent) => { const nts: any = this.getNewTouches(e); - clearTimeout(this._holdTimer); + this._holdTimer && clearTimeout(this._holdTimer); this._holdTimer = undefined; document.dispatchEvent( @@ -290,7 +290,7 @@ export default class GestureOverlay extends Touchable { onReactTouchEnd = (e: TouchEvent) => { const nts: any = this.getNewTouches(e); - clearTimeout(this._holdTimer); + this._holdTimer && clearTimeout(this._holdTimer); this._holdTimer = undefined; document.dispatchEvent( @@ -323,7 +323,7 @@ export default class GestureOverlay extends Touchable { } handleHandDown = async (e: React.TouchEvent) => { - clearTimeout(this._holdTimer!); + this._holdTimer && clearTimeout(this._holdTimer); const fingers = new Array<React.Touch>(); for (let i = 0; i < e.touches.length; i++) { const pt: any = e.touches.item(i); |