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fix(PullRefresh): may trigger browser bounce in some cases (#10090)

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neverland 2021-12-23 17:24:20 +08:00 committed by GitHub
parent 63e25b05d6
commit 9c16a6ad2b
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2 changed files with 14 additions and 16 deletions
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20
src/mixins/touch.js
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@ -1,13 +1,11 @@
import { on } from '../utils/dom/event'; import { on } from '../utils/dom/event';
const MIN_DISTANCE = 10;
function getDirection(x, y) { function getDirection(x, y) {
if (x > y && x > MIN_DISTANCE) { if (x > y) {
return 'horizontal'; return 'horizontal';
} }
if (y > x && y > MIN_DISTANCE) { if (y > x) {
return 'vertical'; return 'vertical';
} }
@ -28,13 +26,21 @@ export const TouchMixin = {
touchMove(event) { touchMove(event) {
const touch = event.touches[0]; const touch = event.touches[0];
// Fix: Safari back will set clientX to negative number // safari back will set clientX to negative number
this.deltaX = touch.clientX < 0 ? 0 : touch.clientX - this.startX; this.deltaX = touch.clientX < 0 ? 0 : touch.clientX - this.startX;
this.deltaY = touch.clientY - this.startY; this.deltaY = touch.clientY - this.startY;
this.offsetX = Math.abs(this.deltaX); this.offsetX = Math.abs(this.deltaX);
this.offsetY = Math.abs(this.deltaY); this.offsetY = Math.abs(this.deltaY);
this.direction =
this.direction || getDirection(this.offsetX, this.offsetY); // lock direction when distance is greater than a certain value
const LOCK_DIRECTION_DISTANCE = 10;
if (
!this.direction ||
(this.offsetX < LOCK_DIRECTION_DISTANCE &&
this.offsetY < LOCK_DIRECTION_DISTANCE)
) {
this.direction = getDirection(this.offsetX, this.offsetY);
}
}, },
resetTouchStatus() { resetTouchStatus() {

10
src/swipe/index.js
View File

@ -210,16 +210,8 @@ export default createComponent({
this.touchMove(event); this.touchMove(event);
// if user starting to touchmove, prevent the event bubbling to
// avoid affecting the parent components
const shouldPrevent =
this.isCorrectDirection ||
this.offsetY > this.offsetX === this.vertical;
if (shouldPrevent) {
preventDefault(event, this.stopPropagation);
}
if (this.isCorrectDirection) { if (this.isCorrectDirection) {
preventDefault(event, this.stopPropagation);
this.move({ offset: this.delta }); this.move({ offset: this.delta });
} }
}, },