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fix(overlays): getTop now returns the top-most presented overlay (#24547)

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Resolves #19111
This commit is contained in:
Sean Perkins
2022-01-11 15:13:35 -05:00
committed by GitHub
parent c4745d24ac
commit f5b4382fd5
3 changed files with 149 additions and 99 deletions
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36
core/src/utils/overlays.ts
View File

@ -120,6 +120,8 @@ export const focusFirstDescendant = (ref: Element, overlay: HTMLIonOverlayElemen
}
};
const isOverlayHidden = (overlay: Element) => overlay.classList.contains('overlay-hidden');
const focusLastDescendant = (ref: Element, overlay: HTMLIonOverlayElement) => {
const inputs = Array.from(ref.querySelectorAll(focusableQueryString)) as HTMLElement[];
let lastInput = inputs.length > 0 ? inputs[inputs.length - 1] : null;
@ -291,7 +293,7 @@ export const connectListeners = (doc: Document) => {
// handle back-button click
doc.addEventListener('ionBackButton', ev => {
const lastOverlay = getTopOpenOverlay(doc);
const lastOverlay = getOverlay(doc);
if (lastOverlay && lastOverlay.backdropDismiss) {
(ev as BackButtonEvent).detail.register(OVERLAY_BACK_BUTTON_PRIORITY, () => {
return lastOverlay.dismiss(undefined, BACKDROP);
@ -302,7 +304,7 @@ export const connectListeners = (doc: Document) => {
// handle ESC to close overlay
doc.addEventListener('keyup', ev => {
if (ev.key === 'Escape') {
const lastOverlay = getTopOpenOverlay(doc);
const lastOverlay = getOverlay(doc);
if (lastOverlay && lastOverlay.backdropDismiss) {
lastOverlay.dismiss(undefined, BACKDROP);
}
@ -328,30 +330,14 @@ export const getOverlays = (doc: Document, selector?: string): HTMLIonOverlayEle
};
/**
* Gets the top-most/last opened
* overlay that is currently presented.
* Returns an overlay element
* @param doc The document to find the element within.
* @param overlayTag The selector for the overlay, defaults to Ionic overlay components.
* @param id The unique identifier for the overlay instance.
* @returns The overlay element or `undefined` if no overlay element is found.
*/
const getTopOpenOverlay = (doc: Document): HTMLIonOverlayElement | undefined => {
const overlays = getOverlays(doc);
for (let i = overlays.length - 1; i >= 0; i--) {
const overlay = overlays[i];
/**
* Only consider overlays that
* are presented. Presented overlays
* will not have the .overlay-hidden
* class on the host.
*/
if (!overlay.classList.contains('overlay-hidden')) {
return overlay;
}
}
return;
}
export const getOverlay = (doc: Document, overlayTag?: string, id?: string): HTMLIonOverlayElement | undefined => {
const overlays = getOverlays(doc, overlayTag);
const getOverlay = (doc: Document, overlayTag?: string, id?: string): HTMLIonOverlayElement | undefined => {
const overlays = getOverlays(doc, overlayTag).filter(o => !isOverlayHidden(o));
return (id === undefined)
? overlays[overlays.length - 1]
: overlays.find(o => o.id === id);

56
core/src/utils/test/overlays/index.html
View File

@ -1,9 +1,11 @@
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<head>
<meta charset="UTF-8">
<title>Overlays</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover">
<meta name="viewport"
content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no, viewport-fit=cover">
<link href="../../../../../css/ionic.bundle.css" rel="stylesheet">
<link href="../../../../../scripts/testing/styles.css" rel="stylesheet">
<script type="module" src="../../../../../dist/ionic/ionic.esm.js"></script>
@ -11,8 +13,9 @@
import { modalController, createAnimation } from '../../../../../dist/ionic/index.esm.js';
window.modalController = modalController;
</script>
</head>
<body>
</head>
<body>
<ion-app>
<ion-menu content-id="main-content">
<ion-content>
@ -28,6 +31,7 @@
<ion-content class="ion-padding">
<ion-button id="create" onclick="createModal()">Create a Modal</ion-button>
<ion-button id="create-nested" onclick="createNestedOverlayModal()">Create Nested Overlay Modal</ion-button>
<ion-button id="present" onclick="presentHiddenModal()">Present a Hidden Modal</ion-button>
<ion-button id="create-and-present" onclick="createAndPresentModal()">Create and Present a Modal</ion-button>
<ion-button id="simulate" onclick="backButton()">Simulate Hardware Back Button</ion-button>
@ -87,6 +91,47 @@
}
}
const createNestedOverlayModal = async () => {
const div = document.createElement('div');
div.innerHTML = `
<ion-header>
<ion-toolbar>
<ion-title>Modal</ion-title>
</ion-toolbar>
</ion-header>
<ion-content class="ion-padding">
Modal Content
<ion-button id="modal-nested-overlay">Datetime inline modal</ion-button>
<ion-button id="dismiss-modal-nested-overlay">Dismiss nested overlay</ion-button>
<ion-modal trigger="modal-nested-overlay">
<ion-content>
<ion-datetime show-default-buttons></ion-datetime>
</ion-content>
</ion-modal>
</ion-content>
`;
const dismissModalNestedOverlay = div.querySelector('ion-button#dismiss-modal-nested-overlay');
dismissModalNestedOverlay.onclick = () => {
window.modalController.getTop().then(top => {
top.dismiss();
});
}
const modal = await modalController.create({
component: div
});
await modal.present();
return modal;
};
window.Ionic = {
config: {
hardwareBackButton: true
@ -94,5 +139,6 @@
}
</script>
</body>
</body>
</html>

26
core/src/utils/test/overlays/overlays.e2e.ts
View File

@ -1,6 +1,6 @@
import { newE2EPage } from '@stencil/core/testing';
test('overlays: hardware back button: should dismss a presented overlay', async () => {
test('overlays: hardware back button: should dismiss a presented overlay', async () => {
const page = await newE2EPage({ url: '/src/utils/test/overlays?ionic:_testing=true' });
const createAndPresentButton = await page.find('#create-and-present');
@ -24,7 +24,7 @@ test('overlays: hardware back button: should dismss a presented overlay', async
await page.waitForSelector('ion-modal', { hidden: true })
});
test('overlays: hardware back button: should dismss the presented overlay, even though another hidden modal was added last', async () => {
test('overlays: hardware back button: should dismiss the presented overlay, even though another hidden modal was added last', async () => {
const page = await newE2EPage({ url: '/src/utils/test/overlays?ionic:_testing=true' });
const createAndPresentButton = await page.find('#create-and-present');
@ -56,7 +56,7 @@ test('overlays: hardware back button: should dismss the presented overlay, even
expect(await modals[1].evaluate(node => node.classList.contains('overlay-hidden'))).toEqual(true);
});
test('overlays: Esc: should dismss a presented overlay', async () => {
test('overlays: Esc: should dismiss a presented overlay', async () => {
const page = await newE2EPage({ url: '/src/utils/test/overlays?ionic:_testing=true' });
const createAndPresentButton = await page.find('#create-and-present');
@ -78,7 +78,7 @@ test('overlays: Esc: should dismss a presented overlay', async () => {
});
test('overlays: Esc: should dismss the presented overlay, even though another hidden modal was added last', async () => {
test('overlays: Esc: should dismiss the presented overlay, even though another hidden modal was added last', async () => {
const page = await newE2EPage({ url: '/src/utils/test/overlays?ionic:_testing=true' });
const createAndPresentButton = await page.find('#create-and-present');
@ -102,3 +102,21 @@ test('overlays: Esc: should dismss the presented overlay, even though another hi
await page.waitForSelector('ion-modal#ion-overlay-1', { hidden: true });
});
test('overlays: Nested: should dismiss the top overlay', async () => {
const page = await newE2EPage({ url: '/src/utils/test/overlays?ionic:_testing=true' });
const createNestedButton = await page.find('#create-nested');
await createNestedButton.click();
const modal = await page.find('ion-modal');
expect(modal).not.toBe(null);
const dismissNestedOverlayButton = await page.find('#dismiss-modal-nested-overlay');
await dismissNestedOverlayButton.click();
const modals = await page.$$('ion-modal');
expect(modals.length).toEqual(0);
});