mirror of
https://github.com/NativeScript/NativeScript.git
synced 2025-11-04 12:58:38 +08:00
f64355ba7a
BREAKING CHANGES:
`Application.orientation` is no longer a function.
Migration: Remove `()` from the `Application.orientation()` call:
```diff
import { Application } from "@nativescript/core";
-console.log(Application.orientation());
+console.log(Application.orientation);
```
`Application.systemAppearance` is no longer a function.
Migration: Remove `()` from the `Application.systemAppearance()` call:
```diff
import { Application } from "@nativescript/core";
-console.log(Application.systemAppearance());
+console.log(Application.systemAppearance);
```
111 lines
2.8 KiB
TypeScript
111 lines
2.8 KiB
TypeScript
import { Application } from '../application';
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import { FontScaleCategory, getClosestValidFontScale } from './font-scale-common';
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export * from './font-scale-common';
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let currentFontScale: number = null;
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function fontScaleChanged(origFontScale: number) {
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const oldValue = currentFontScale;
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currentFontScale = getClosestValidFontScale(origFontScale);
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if (oldValue !== currentFontScale) {
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Application.notify({
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eventName: Application.fontScaleChangedEvent,
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object: Application,
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newValue: currentFontScale,
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});
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}
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}
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export function getCurrentFontScale(): number {
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setupConfigListener();
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return currentFontScale;
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}
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export function getFontScaleCategory(): FontScaleCategory {
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if (currentFontScale < 0.85) {
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return FontScaleCategory.ExtraSmall;
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}
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if (currentFontScale > 1.5) {
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return FontScaleCategory.ExtraLarge;
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}
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return FontScaleCategory.Medium;
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}
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const sizeMap = new Map<string, number>([
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[UIContentSizeCategoryExtraSmall, 0.5],
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[UIContentSizeCategorySmall, 0.7],
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[UIContentSizeCategoryMedium, 0.85],
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[UIContentSizeCategoryLarge, 1],
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[UIContentSizeCategoryExtraLarge, 1.15],
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[UIContentSizeCategoryExtraExtraLarge, 1.3],
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[UIContentSizeCategoryExtraExtraExtraLarge, 1.5],
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[UIContentSizeCategoryAccessibilityMedium, 2],
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[UIContentSizeCategoryAccessibilityLarge, 2.5],
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[UIContentSizeCategoryAccessibilityExtraLarge, 3],
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[UIContentSizeCategoryAccessibilityExtraExtraLarge, 3.5],
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[UIContentSizeCategoryAccessibilityExtraExtraExtraLarge, 4],
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]);
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function contentSizeUpdated(fontSize: string) {
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if (sizeMap.has(fontSize)) {
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fontScaleChanged(sizeMap.get(fontSize));
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return;
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}
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fontScaleChanged(1);
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}
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function useIOSFontScale() {
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if (Application.ios.nativeApp) {
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contentSizeUpdated(Application.ios.nativeApp.preferredContentSizeCategory);
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} else {
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fontScaleChanged(1);
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}
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}
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let fontSizeObserver;
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function setupConfigListener(attempt = 0) {
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if (fontSizeObserver) {
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return;
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}
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if (!Application.ios.nativeApp) {
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if (attempt > 100) {
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fontScaleChanged(1);
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return;
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}
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// Couldn't get launchEvent to trigger.
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setTimeout(() => setupConfigListener(attempt + 1), 1);
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return;
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}
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fontSizeObserver = Application.ios.addNotificationObserver(UIContentSizeCategoryDidChangeNotification, (args) => {
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const fontSize = args.userInfo.valueForKey(UIContentSizeCategoryNewValueKey);
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contentSizeUpdated(fontSize);
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});
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Application.on(Application.exitEvent, () => {
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if (fontSizeObserver) {
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Application.ios.removeNotificationObserver(fontSizeObserver, UIContentSizeCategoryDidChangeNotification);
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fontSizeObserver = null;
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}
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Application.off(Application.resumeEvent, useIOSFontScale);
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});
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Application.on(Application.resumeEvent, useIOSFontScale);
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useIOSFontScale();
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}
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export function initAccessibilityFontScale(): void {
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setupConfigListener();
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}
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