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fix(range): dragging knob no longer scrolls page (#25343)

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resolves #19004
This commit is contained in:
Liam DeBeasi
2022-05-31 11:35:07 -04:00
committed by GitHub
parent 01c40eae55
commit 0b92dffa92
6 changed files with 201 additions and 1 deletions
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15
core/src/components/range/range.tsx
View File

@ -13,6 +13,7 @@ import type {
RangeValue,
StyleEventDetail,
} from '../../interface';
import { findClosestIonContent, disableContentScrollY, resetContentScrollY } from '../../utils/content';
import type { Attributes } from '../../utils/helpers';
import { inheritAriaAttributes, clamp, debounceEvent, getAriaLabel, renderHiddenInput } from '../../utils/helpers';
import { isRTL } from '../../utils/rtl';
@ -50,6 +51,8 @@ export class Range implements ComponentInterface {
private rangeSlider?: HTMLElement;
private gesture?: Gesture;
private inheritedAttributes: Attributes = {};
private contentEl: HTMLElement | null = null;
private initialContentScrollY = true;
@Element() el!: HTMLIonRangeElement;
@ -259,6 +262,8 @@ export class Range implements ComponentInterface {
if (this.didLoad) {
this.setupGesture();
}
this.contentEl = findClosestIonContent(this.el);
}
disconnectedCallback() {
@ -313,6 +318,11 @@ export class Range implements ComponentInterface {
}
private onStart(detail: GestureDetail) {
const { contentEl } = this;
if (contentEl) {
this.initialContentScrollY = disableContentScrollY(contentEl);
}
const rect = (this.rect = this.rangeSlider!.getBoundingClientRect() as any);
const currentX = detail.currentX;
@ -337,6 +347,11 @@ export class Range implements ComponentInterface {
}
private onEnd(detail: GestureDetail) {
const { contentEl, initialContentScrollY } = this;
if (contentEl) {
resetContentScrollY(contentEl, initialContentScrollY);
}
this.update(detail.currentX);
this.pressedKnob = undefined;

2
core/src/components/range/test/basic/index.html
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@ -93,7 +93,7 @@
</ion-item>
<ion-item>
<ion-label position="stacked">Stacked Label</ion-label>
<ion-range value="40">
<ion-range value="40" id="stacked-range">
<ion-label slot="start">Start</ion-label>
<ion-label slot="end">End</ion-label>
</ion-range>

31
core/src/components/range/test/basic/range.e2e.ts
View File

@ -53,4 +53,35 @@ test.describe('range: basic', () => {
expect(rangeStart).toHaveReceivedEventDetail({ value: 20 });
expect(rangeEnd).toHaveReceivedEventDetail({ value: 21 });
});
test('should not scroll when the knob is swiped', async ({ page, browserName }, testInfo) => {
test.skip(browserName === 'webkit', 'mouse.wheel is not available in WebKit');
test.skip(testInfo.project.metadata.rtl === true, 'This feature does not have RTL-specific behaviors');
await page.goto(`/src/components/range/test/basic`);
const knobEl = page.locator('ion-range#stacked-range .range-knob-handle');
const scrollEl = page.locator('ion-content .inner-scroll');
expect(await scrollEl.evaluate((el: HTMLElement) => el.scrollTop)).toEqual(0);
const box = (await knobEl.boundingBox())!;
const centerX = box.x + box.width / 2;
const centerY = box.y + box.height / 2;
await page.mouse.move(centerX, centerY);
await page.mouse.down();
await page.mouse.move(centerX + 30, centerY);
/**
* Do not use scrollToBottom() or other scrolling methods
* on ion-content as those will update the scroll position.
* Setting scrollTop still works even with overflow-y: hidden.
* However, simulating a user gesture should not scroll the content.
*/
await page.mouse.wheel(0, 100);
await page.waitForChanges();
expect(await scrollEl.evaluate((el: HTMLElement) => el.scrollTop)).toEqual(0);
});
});

85
core/src/components/range/test/scroll-target/index.html Normal file
View File

@ -0,0 +1,85 @@
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="UTF-8" />
<title>Range - Scroll Target</title>
<meta
name="viewport"
content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no"
/>
<link href="../../../../../css/ionic.bundle.css" rel="stylesheet" />
<link href="../../../../../scripts/testing/styles.css" rel="stylesheet" />
<script src="../../../../../scripts/testing/scripts.js"></script>
<script nomodule src="../../../../../dist/ionic/ionic.js"></script>
<script type="module" src="../../../../../dist/ionic/ionic.esm.js"></script>
<style>
.ion-content-scroll-host {
width: 100%;
height: 100%;
overflow-y: scroll;
}
</style>
</head>
<body>
<ion-app>
<ion-header>
<ion-toolbar>
<ion-title>Range - Scroll Target</ion-title>
</ion-toolbar>
</ion-header>
<ion-content class="ion-padding" scroll-y="false">
<div class="ion-content-scroll-host">
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur faucibus nulla a nunc tincidunt semper.
Nam nibh lorem, pharetra ac ex ac, tempus fringilla est. Aenean tincidunt ipsum pellentesque, consequat
libero id, feugiat leo. In vestibulum faucibus velit, non tincidunt erat tincidunt in. Donec a diam sed nisl
convallis maximus. Aenean cursus sagittis lorem vitae tristique. Pellentesque pellentesque, quam eget
lobortis finibus, lectus lorem maximus purus, quis sagittis tortor sem sed tellus.
</p>
<ion-item>
<ion-label position="stacked">Stacked Label</ion-label>
<ion-range value="40">
<ion-label slot="start">Start</ion-label>
<ion-label slot="end">End</ion-label>
</ion-range>
</ion-item>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur faucibus nulla a nunc tincidunt semper.
Nam nibh lorem, pharetra ac ex ac, tempus fringilla est. Aenean tincidunt ipsum pellentesque, consequat
libero id, feugiat leo. In vestibulum faucibus velit, non tincidunt erat tincidunt in. Donec a diam sed nisl
convallis maximus. Aenean cursus sagittis lorem vitae tristique. Pellentesque pellentesque, quam eget
lobortis finibus, lectus lorem maximus purus, quis sagittis tortor sem sed tellus.
</p>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur faucibus nulla a nunc tincidunt semper.
Nam nibh lorem, pharetra ac ex ac, tempus fringilla est. Aenean tincidunt ipsum pellentesque, consequat
libero id, feugiat leo. In vestibulum faucibus velit, non tincidunt erat tincidunt in. Donec a diam sed nisl
convallis maximus. Aenean cursus sagittis lorem vitae tristique. Pellentesque pellentesque, quam eget
lobortis finibus, lectus lorem maximus purus, quis sagittis tortor sem sed tellus.
</p>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur faucibus nulla a nunc tincidunt semper.
Nam nibh lorem, pharetra ac ex ac, tempus fringilla est. Aenean tincidunt ipsum pellentesque, consequat
libero id, feugiat leo. In vestibulum faucibus velit, non tincidunt erat tincidunt in. Donec a diam sed nisl
convallis maximus. Aenean cursus sagittis lorem vitae tristique. Pellentesque pellentesque, quam eget
lobortis finibus, lectus lorem maximus purus, quis sagittis tortor sem sed tellus.
</p>
<p>
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Curabitur faucibus nulla a nunc tincidunt semper.
Nam nibh lorem, pharetra ac ex ac, tempus fringilla est. Aenean tincidunt ipsum pellentesque, consequat
libero id, feugiat leo. In vestibulum faucibus velit, non tincidunt erat tincidunt in. Donec a diam sed nisl
convallis maximus. Aenean cursus sagittis lorem vitae tristique. Pellentesque pellentesque, quam eget
lobortis finibus, lectus lorem maximus purus, quis sagittis tortor sem sed tellus.
</p>
</div>
</ion-content>
</ion-app>
</body>
</html>

35
core/src/components/range/test/scroll-target/range.e2e.ts Normal file
View File

@ -0,0 +1,35 @@
import { expect } from '@playwright/test';
import { test } from '@utils/test/playwright';
test.describe('range: scroll-target', () => {
test('should not scroll when the knob is swiped in custom scroll target', async ({ page, browserName }, testInfo) => {
test.skip(browserName === 'webkit', 'mouse.wheel is not available in WebKit');
test.skip(testInfo.project.metadata.rtl === true, 'This feature does not have RTL-specific behaviors');
await page.goto(`/src/components/range/test/scroll-target`);
const knobEl = page.locator('ion-range .range-knob-handle');
const scrollEl = page.locator('.ion-content-scroll-host');
expect(await scrollEl.evaluate((el: HTMLElement) => el.scrollTop)).toEqual(0);
const box = (await knobEl.boundingBox())!;
const centerX = box.x + box.width / 2;
const centerY = box.y + box.height / 2;
await page.mouse.move(centerX, centerY);
await page.mouse.down();
await page.mouse.move(centerX + 30, centerY);
/**
* Do not use scrollToBottom() or other scrolling methods
* on ion-content as those will update the scroll position.
* Setting scrollTop still works even with overflow-y: hidden.
* However, simulating a user gesture should not scroll the content.
*/
await page.mouse.wheel(0, 100);
await page.waitForChanges();
expect(await scrollEl.evaluate((el: HTMLElement) => el.scrollTop)).toEqual(0);
});
});

34
core/src/utils/content/index.ts
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@ -101,3 +101,37 @@ export const scrollByPoint = (el: HTMLElement, x: number, y: number, durationMs:
export const printIonContentErrorMsg = (el: HTMLElement) => {
return printRequiredElementError(el, ION_CONTENT_ELEMENT_SELECTOR);
};
/**
* Several components in Ionic need to prevent scrolling
* during a gesture (card modal, range, item sliding, etc).
* Use this utility to account for ion-content and custom content hosts.
*/
export const disableContentScrollY = (contentEl: HTMLElement): boolean => {
if (isIonContent(contentEl)) {
const ionContent = contentEl as HTMLIonContentElement;
const initialScrollY = ionContent.scrollY;
ionContent.scrollY = false;
/**
* This should be passed into resetContentScrollY
* so that we can revert ion-content's scrollY to the
* correct state. For example, if scrollY = false
* initially, we do not want to enable scrolling
* when we call resetContentScrollY.
*/
return initialScrollY;
} else {
contentEl.style.setProperty('overflow', 'hidden');
return true;
}
};
export const resetContentScrollY = (contentEl: HTMLElement, initialScrollY: boolean) => {
if (isIonContent(contentEl)) {
(contentEl as HTMLIonContentElement).scrollY = initialScrollY;
} else {
contentEl.style.removeProperty('overflow');
}
};