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expo-screen-orientation

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Expo universal module for managing device's screen orientation

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import { SyntheticPlatformEmitter, Platform } from 'expo-modules-core'; import { getOrientationLockAsync, getOrientationAsync } from './ScreenOrientation'; import { Orientation, OrientationLock, WebOrientationLock, WebOrientation, } from './ScreenOrientation.types'; const OrientationLockAPIToWeb = { [OrientationLock.DEFAULT]: WebOrientationLock.NATURAL, [OrientationLock.ALL]: WebOrientationLock.ANY, [OrientationLock.PORTRAIT]: WebOrientationLock.PORTRAIT, [OrientationLock.PORTRAIT_UP]: WebOrientationLock.PORTRAIT_PRIMARY, [OrientationLock.PORTRAIT_DOWN]: WebOrientationLock.PORTRAIT_SECONDARY, [OrientationLock.LANDSCAPE]: WebOrientationLock.LANDSCAPE, [OrientationLock.LANDSCAPE_LEFT]: WebOrientationLock.LANDSCAPE_PRIMARY, [OrientationLock.LANDSCAPE_RIGHT]: WebOrientationLock.LANDSCAPE_SECONDARY, }; const OrientationWebToAPI = { [WebOrientation.PORTRAIT_PRIMARY]: Orientation.PORTRAIT_UP, [WebOrientation.PORTRAIT_SECONDARY]: Orientation.PORTRAIT_DOWN, [WebOrientation.LANDSCAPE_PRIMARY]: Orientation.LANDSCAPE_LEFT, [WebOrientation.LANDSCAPE_SECONDARY]: Orientation.LANDSCAPE_RIGHT, }; const screen = Platform.canUseViewport ? window.screen : {}; const orientation = Platform.canUseViewport ? screen.orientation || screen.msOrientation || null : null; async function emitOrientationEvent() { const [orientationLock, orientation] = await Promise.all([ getOrientationLockAsync(), getOrientationAsync(), ]); SyntheticPlatformEmitter.emit('expoDidUpdateDimensions', { orientationLock, orientationInfo: { orientation }, }); } if (Platform.canUseEventListeners) { if (orientation && orientation.addEventListener) { orientation.addEventListener('change', emitOrientationEvent); } else { window.addEventListener('orientationchange', emitOrientationEvent); } } function _convertToLegacyOrientationLock(orientationLock) { switch (orientationLock) { case WebOrientationLock.UNKNOWN: throw new Error(`expo-screen-orientation: WebOrientationLock.UNKNOWN is not a valid lock to be converted.`); case WebOrientationLock.ANY: return ['portrait', 'landscape']; case WebOrientationLock.NATURAL: return 'default'; default: return orientationLock; } } async function _lockAsync(webOrientationLock) { if (webOrientationLock === WebOrientationLock.UNKNOWN) { throw new Error(`expo-screen-orientation: WebOrientationLock.UNKNOWN is not a valid lock that can be applied to the device.`); } if (screen.orientation && screen.orientation.lock) { await screen.orientation.lock(webOrientationLock); } else if (screen['lockOrientation'] || screen['mozLockOrientation'] || screen['msLockOrientation']) { const legacyLock = _convertToLegacyOrientationLock(webOrientationLock); const lockOrientation = screen['lockOrientation'] || screen['mozLockOrientation'] || screen['msLockOrientation']; // correct `this` context must be passed in otherwise method call is disallowed by browser const isSuccess = lockOrientation.call(screen, legacyLock); if (!isSuccess) { throw new Error(`Applying orientation lock: ${JSON.stringify(webOrientationLock)} to device was denied`); } } else { throw new Error(`expo-screen-orientation: The browser doesn't support locking screen orientation.`); } } let _lastWebOrientationLock = WebOrientationLock.UNKNOWN; export default { get name() { return 'ExpoScreenOrientation'; }, async supportsOrientationLockAsync(orientationLock) { return orientationLock in OrientationLockAPIToWeb; }, async getPlatformOrientationLockAsync() { return _lastWebOrientationLock; }, async getOrientationAsync() { const webOrientation = screen['msOrientation'] || (screen.orientation || screen['mozOrientation'] || {}).type; if (!webOrientation) { return Orientation.UNKNOWN; } return OrientationWebToAPI[webOrientation]; }, async lockAsync(orientationLock) { const webOrientationLock = OrientationLockAPIToWeb[orientationLock]; if (!webOrientationLock) { throw new TypeError(`Invalid Orientation Lock: ${orientationLock}`); } await _lockAsync(webOrientationLock); }, async lockPlatformAsync(webOrientationLock) { await _lockAsync(webOrientationLock); _lastWebOrientationLock = webOrientationLock; }, async unlockAsync() { if (screen.orientation && screen.orientation.unlock) { screen.orientation.unlock(); } else if (screen['unlockOrientation'] || screen['mozUnlockOrientation'] || screen['msUnlockOrientation']) { const unlockOrientation = screen['unlockOrientation'] || screen['mozUnlockOrientation'] || screen['msUnlockOrientation']; // correct `this` context must be passed in otherwise method call is disallowed by browser const isSuccess = unlockOrientation.call(screen); if (!isSuccess) { throw new Error(`Unlocking screen orientation on device was denied`); } } else { throw new Error(`expo-screen-orientation: The browser doesn't support unlocking screen orientation.`); } }, }; //# sourceMappingURL=ExpoScreenOrientation.web.js.map