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touch: global event listeners are passive so they can be cancled

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This commit is contained in:
isidor 2017-11-22 11:36:07 +01:00
parent 9f9ee526e4
commit c42212aca9
1 changed files with 5 additions and 3 deletions
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8
src/vs/base/browser/touch.ts
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@ -82,9 +82,9 @@ export class Gesture implements IDisposable {
this.activeTouches = {};
this.handle = null;
this.targets = [];
this.toDispose.push(DomUtils.addDisposableListener(document, 'touchstart', (e) => this.onTouchStart(e)));
this.toDispose.push(DomUtils.addDisposableListener(document, 'touchend', (e) => this.onTouchEnd(e)));
this.toDispose.push(DomUtils.addDisposableListener(document, 'touchmove', (e) => this.onTouchMove(e)));
this.toDispose.push(DomUtils.addDisposableListener(document, 'touchstart', (e) => this.onTouchStart(e), false, true));
this.toDispose.push(DomUtils.addDisposableListener(document, 'touchend', (e) => this.onTouchEnd(e), false, true));
this.toDispose.push(DomUtils.addDisposableListener(document, 'touchmove', (e) => this.onTouchMove(e), false, true));
}
public static addTarget(element: HTMLElement): void {
@ -113,6 +113,7 @@ export class Gesture implements IDisposable {
private onTouchStart(e: TouchEvent): void {
let timestamp = Date.now(); // use Date.now() because on FF e.timeStamp is not epoch based.
e.preventDefault();
if (this.handle) {
this.handle.dispose();
@ -251,6 +252,7 @@ export class Gesture implements IDisposable {
private onTouchMove(e: TouchEvent): void {
let timestamp = Date.now(); // use Date.now() because on FF e.timeStamp is not epoch based.
e.preventDefault();
e.stopPropagation();
for (let i = 0, len = e.changedTouches.length; i < len; i++) {