Files
ionic-framework/core/src/utils/config.ts
Liam DeBeasi 5b686efc10 feat: add experimental transition focus manager (#29400)
Issue number: resolves #23650

---------

<!-- Please do not submit updates to dependencies unless it fixes an
issue. -->

<!-- Please try to limit your pull request to one type (bugfix, feature,
etc). Submit multiple pull requests if needed. -->

## What is the current behavior?
<!-- Please describe the current behavior that you are modifying. -->

In traditional native applications, navigation will inform screen
readers that the view has changed. This allows screen readers to focus
the correct view. In a single page app on the web, this same concept
does not exist. As a result, transitioning from Page A to Page B results
in screen reader focus remaining on Page A. This means that users who
rely on screen readers are not informed of view changes.

Currently, developers are responsible for implementing this on their
own.

## What is the new behavior?
<!-- Please describe the behavior or changes that are being added by
this PR. -->

- Introduces a new focus manager priority global config. When defined,
the app developer can specify which area of the view focus should be
moved to when the transition ends. The developer does this by specifying
areas in order of priority which allows for fallbacks in the event that
a particular UI component (such as a header) does not exist on a view.

There is some risk here by managing focus for the application. As a
result, this feature is considered experimental and disabled by default.
The team should collect feedback based on usage and enable it by default
when they feel this feature is stable enough.

## Does this introduce a breaking change?

- [ ] Yes
- [x] No

<!--
  If this introduces a breaking change:
1. Describe the impact and migration path for existing applications
below.
  2. Update the BREAKING.md file with the breaking change.
3. Add "BREAKING CHANGE: [...]" to the commit description when merging.
See
https://github.com/ionic-team/ionic-framework/blob/main/docs/CONTRIBUTING.md#footer
for more information.
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## Other information

<!-- Any other information that is important to this PR such as
screenshots of how the component looks before and after the change. -->

⚠️ Due to the `tsconfig.json` change, reviewers should restart the
Stencil dev server when checking out these changes locally.

Reviewers: Please test both of the test template files on physical iOS
and Android device with VoiceOver and TalkBack enabled, respectively.

Docs Link: https://github.com/ionic-team/ionic-docs/pull/3627
2024-05-01 10:09:05 -04:00

273 lines
7.9 KiB
TypeScript

import type { SpinnerTypes } from '../components/spinner/spinner-configs';
import type { TabButtonLayout } from '../components/tab-bar/tab-bar-interface';
import type { AnimationBuilder, Mode } from '../interface';
import type { PlatformConfig } from './platform';
export interface IonicConfig {
/**
* When it's set to `false`, disables all animation and transition across the app.
* Can be useful to make ionic smoother in slow devices, when animations can't run smoothly.
*/
animated?: boolean;
/**
* When it's set to `false`, it disables all material-design ripple-effects across the app.
* Defaults to `true`.
*/
rippleEffect?: boolean;
/**
* The mode determines which platform styles to use for the whole application.
*/
mode?: Mode;
/**
* Wherever ionic will respond to hardware go back buttons in an Android device.
* Defaults to `true` when ionic runs in a mobile device.
*/
hardwareBackButton?: boolean;
/**
* Whenever clicking the top status bar should cause the scroll to top in an application.
* Defaults to `true` when ionic runs in a mobile device.
*/
statusTap?: boolean;
/**
* Overrides the default icon in all `<ion-back-button>` components.
*/
backButtonIcon?: string;
/**
* Overrides the default text in all `<ion-back-button>` components.
*/
backButtonText?: string;
/**
* Overrides the default defaultHref in all `<ion-back-button>` components.
*/
backButtonDefaultHref?: string;
/**
* Overrides the default icon in all `<ion-menu-button>` components.
*/
menuIcon?: string;
/**
* Overrides the default menu type for all `<ion-menu>` components.
* By default the menu type is chosen based in the app's mode.
*/
menuType?: string;
/**
* Overrides the default spinner in all `<ion-spinner>` components.
* By default the spinner type is chosen based in the mode (ios or md).
*/
spinner?: SpinnerTypes;
/**
* Overrides the default enableOnOffLabels in all `<ion-toggle>` components.
*/
toggleOnOffLabels?: boolean;
/**
* Overrides the default spinner for all `ion-loading` overlays, ie. the ones
* created with `ion-loading-controller`.
*/
loadingSpinner?: SpinnerTypes | null;
/**
* Overrides the default icon in all `<ion-refresh-content>` components.
*/
refreshingIcon?: string;
/**
* Overrides the default spinner type in all `<ion-refresh-content>` components.
*/
refreshingSpinner?: SpinnerTypes | null;
/**
* Overrides the default spinner type in all `<ion-infinite-scroll-content>` components.
*/
infiniteLoadingSpinner?: SpinnerTypes | null;
/**
* Global switch that disables or enables "swipe-to-go-back" gesture across all
* `ion-nav` in your application.
*/
swipeBackEnabled?: boolean;
/**
* Overrides the default "layout" of all `ion-bar-button` across the whole application.
*/
tabButtonLayout?: TabButtonLayout;
/**
* Overrides the default `duration` for all `ion-toast` components.
*/
toastDuration?: number;
/**
* Overrides the default "animation" of all `ion-nav` and `ion-router-outlet` across the whole application.
* This prop allows to replace the default transition and provide a custom one that applies to all navigation outlets.
*/
navAnimation?: AnimationBuilder;
/**
* Provides a custom enter animation for all `ion-action-sheet`, overriding the default "animation".
*/
actionSheetEnter?: AnimationBuilder;
/**
* Provides a custom enter animation for all `ion-alert`, overriding the default "animation".
*/
alertEnter?: AnimationBuilder;
/**
* Provides a custom enter animation for all `ion-loading`, overriding the default "animation".
*/
loadingEnter?: AnimationBuilder;
/**
* Provides a custom enter animation for all `ion-modal`, overriding the default "animation".
*/
modalEnter?: AnimationBuilder;
/**
* Provides a custom enter animation for all `ion-popover`, overriding the default "animation".
*/
popoverEnter?: AnimationBuilder;
/**
* Provides a custom enter animation for all `ion-toast`, overriding the default "animation".
*/
toastEnter?: AnimationBuilder;
/**
* Provides a custom enter animation for all `ion-picker-legacy`, overriding the default "animation".
*/
pickerEnter?: AnimationBuilder;
/**
* Provides a custom leave animation for all `ion-action-sheet`, overriding the default "animation".
*/
actionSheetLeave?: AnimationBuilder;
/**
* Provides a custom leave animation for all `ion-alert`, overriding the default "animation".
*/
alertLeave?: AnimationBuilder;
/**
* Provides a custom leave animation for all `ion-loading`, overriding the default "animation".
*/
loadingLeave?: AnimationBuilder;
/**
* Provides a custom leave animation for all `ion-modal`, overriding the default "animation".
*/
modalLeave?: AnimationBuilder;
/**
* Provides a custom leave animation for all `ion-popover`, overriding the default "animation".
*/
popoverLeave?: AnimationBuilder;
/**
* Provides a custom leave animation for all `ion-toast`, overriding the default "animation".
*/
toastLeave?: AnimationBuilder;
/**
* Provides a custom leave animation for all `ion-picker-legacy`, overriding the default "animation".
*/
pickerLeave?: AnimationBuilder;
/**
* If `true`, Ionic will enable a basic DOM sanitizer on component properties that accept custom HTML.
*/
sanitizerEnabled?: boolean;
/**
* Relevant Components: ion-alert, ion-infinite-scroll-content, ion-loading, ion-refresher-content, ion-toast
* If `false`, all `innerHTML` usage will be disabled in Ionic, and
* custom HTML will not be usable in the relevant components.
* If `true`, all `innerHTML` usage will be enabled in Ionic, and
* custom HTML will be usable in the relevant components.
* `innerHTML` usage is disabled by default.
*/
innerHTMLTemplatesEnabled?: boolean;
/**
* Overrides the default platform detection methods.
*/
platform?: PlatformConfig;
/**
* @experimental
* When defined, Ionic will move focus to the appropriate element after each
* page transition. This ensures that users relying on assistive technology
* are informed when a page transition happens.
*/
focusManagerPriority?: FocusManagerPriority[];
/**
* @experimental
* If `true`, the [CloseWatcher API](https://github.com/WICG/close-watcher) will be used to handle
* all Escape key and hardware back button presses to dismiss menus and overlays and to navigate.
* Note that the `hardwareBackButton` config option must also be `true`.
*/
experimentalCloseWatcher?: boolean;
// PRIVATE configs
keyboardHeight?: number;
inputShims?: boolean;
scrollPadding?: boolean;
inputBlurring?: boolean;
scrollAssist?: boolean;
hideCaretOnScroll?: boolean;
// INTERNAL configs
// TODO(FW-2832): types
persistConfig?: boolean;
_forceStatusbarPadding?: boolean;
_testing?: boolean;
_zoneGate?: (h: () => any) => any;
_ael?: (el: any, name: string, cb: any, opts: any) => any;
_rel?: (el: any, name: string, cb: any, opts: any) => any;
_ce?: (eventName: string, opts: any) => any;
}
type FocusManagerPriority = 'content' | 'heading' | 'banner';
export const setupConfig = (config: IonicConfig) => {
const win = window as any;
const Ionic = win.Ionic;
// eslint-disable-next-line @typescript-eslint/prefer-optional-chain
if (Ionic && Ionic.config && Ionic.config.constructor.name !== 'Object') {
return;
}
win.Ionic = win.Ionic || {};
win.Ionic.config = {
...win.Ionic.config,
...config,
};
return win.Ionic.config;
};
export const getMode = (): Mode => {
const win = window as any;
const config = win?.Ionic?.config;
if (config) {
if (config.mode) {
return config.mode;
} else {
return config.get('mode');
}
}
return 'md';
};
export const ENABLE_HTML_CONTENT_DEFAULT = false;