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Summary: # Changelog: [Internal] - As in the title. Differential Revision: D57248159
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61 changes: 0 additions & 61 deletions
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.../ReactAndroid/src/main/java/com/facebook/react/modules/i18nmanager/I18nManagerModule.java
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...ve/ReactAndroid/src/main/java/com/facebook/react/modules/i18nmanager/I18nManagerModule.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| /* | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
|
|
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| package com.facebook.react.modules.i18nmanager | ||
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| import android.os.Build | ||
| import com.facebook.fbreact.specs.NativeI18nManagerSpec | ||
| import com.facebook.react.bridge.ReactApplicationContext | ||
| import com.facebook.react.module.annotations.ReactModule | ||
|
|
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| /** [NativeModule] that allows JS to set allowRTL and get isRTL status. */ | ||
| @ReactModule(name = NativeI18nManagerSpec.NAME) | ||
| public class I18nManagerModule(context: ReactApplicationContext?) : NativeI18nManagerSpec(context) { | ||
| override public fun getTypedExportedConstants(): Map<String, Any> { | ||
| val context = getReactApplicationContext() | ||
| val locale = | ||
| if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { | ||
| context.resources.configuration.locales[0] | ||
| } else { | ||
| @Suppress("DEPRECATION") | ||
| context.resources.configuration.locale | ||
| } | ||
| return mapOf( | ||
| "isRTL" to I18nUtil.instance.isRTL(context), | ||
| "doLeftAndRightSwapInRTL" to I18nUtil.instance.doLeftAndRightSwapInRTL(context), | ||
| "localeIdentifier" to locale.toString()) | ||
| } | ||
|
|
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| override fun allowRTL(value: Boolean) { | ||
| I18nUtil.instance.allowRTL(getReactApplicationContext(), value) | ||
| } | ||
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| override fun forceRTL(value: Boolean) { | ||
| I18nUtil.instance.forceRTL(getReactApplicationContext(), value) | ||
| } | ||
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| override fun swapLeftAndRightInRTL(value: Boolean) { | ||
| I18nUtil.instance.swapLeftAndRightInRTL(getReactApplicationContext(), value) | ||
| } | ||
| } |
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...ct-native/ReactAndroid/src/main/java/com/facebook/react/modules/i18nmanager/I18nUtil.java
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...eact-native/ReactAndroid/src/main/java/com/facebook/react/modules/i18nmanager/I18nUtil.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| /* | ||
| * Copyright (c) Meta Platforms, Inc. and affiliates. | ||
| * | ||
| * This source code is licensed under the MIT license found in the | ||
| * LICENSE file in the root directory of this source tree. | ||
| */ | ||
|
|
||
| package com.facebook.react.modules.i18nmanager | ||
|
|
||
| import android.content.Context | ||
| import androidx.core.text.TextUtilsCompat | ||
| import androidx.core.view.ViewCompat | ||
| import java.util.Locale | ||
|
|
||
| public class I18nUtil private constructor() { | ||
| /** | ||
| * Check if the device is currently running on an RTL locale. This only happens when the app: | ||
| * * is forcing RTL layout, regardless of the active language (for development purpose) | ||
| * * allows RTL layout when using RTL locale | ||
| */ | ||
| public fun isRTL(context: Context): Boolean = | ||
| if (isRTLForced(context)) { | ||
| true | ||
| } else isRTLAllowed(context) && isDevicePreferredLanguageRTL | ||
|
|
||
| /** | ||
| * Should be used very early during app start up Before the bridge is initialized | ||
| * | ||
| * @return whether the app allows RTL layout, default is true | ||
| */ | ||
| private fun isRTLAllowed(context: Context): Boolean = | ||
| isPrefSet(context, KEY_FOR_PREFS_ALLOWRTL, true) | ||
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| public fun allowRTL(context: Context, allowRTL: Boolean) { | ||
| setPref(context, KEY_FOR_PREFS_ALLOWRTL, allowRTL) | ||
| } | ||
|
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| public fun doLeftAndRightSwapInRTL(context: Context): Boolean = | ||
| isPrefSet(context, KEY_FOR_PERFS_MAKE_RTL_FLIP_LEFT_AND_RIGHT_STYLES, true) | ||
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| public fun swapLeftAndRightInRTL(context: Context, flip: Boolean) { | ||
| setPref(context, KEY_FOR_PERFS_MAKE_RTL_FLIP_LEFT_AND_RIGHT_STYLES, flip) | ||
| } | ||
|
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| /** Could be used to test RTL layout with English Used for development and testing purpose */ | ||
| private fun isRTLForced(context: Context): Boolean = | ||
| isPrefSet(context, KEY_FOR_PREFS_FORCERTL, false) | ||
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| public fun forceRTL(context: Context, forceRTL: Boolean) { | ||
| setPref(context, KEY_FOR_PREFS_FORCERTL, forceRTL) | ||
| } | ||
|
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| private val isDevicePreferredLanguageRTL: Boolean | ||
| // Check if the current device language is RTL | ||
| get() { | ||
| val directionality = TextUtilsCompat.getLayoutDirectionFromLocale(Locale.getDefault()) | ||
| return directionality == ViewCompat.LAYOUT_DIRECTION_RTL | ||
| } | ||
|
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| private fun isPrefSet(context: Context, key: String, defaultValue: Boolean): Boolean = | ||
| context | ||
| .getSharedPreferences(SHARED_PREFS_NAME, Context.MODE_PRIVATE) | ||
| .getBoolean(key, defaultValue) | ||
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| private fun setPref(context: Context, key: String, value: Boolean) { | ||
| val editor = context.getSharedPreferences(SHARED_PREFS_NAME, Context.MODE_PRIVATE).edit() | ||
| editor.putBoolean(key, value) | ||
| editor.apply() | ||
| } | ||
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| public companion object { | ||
| @JvmStatic public val instance: I18nUtil = I18nUtil() | ||
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| private const val SHARED_PREFS_NAME = "com.facebook.react.modules.i18nmanager.I18nUtil" | ||
| private const val KEY_FOR_PREFS_ALLOWRTL = "RCTI18nUtil_allowRTL" | ||
| private const val KEY_FOR_PREFS_FORCERTL = "RCTI18nUtil_forceRTL" | ||
| private const val KEY_FOR_PERFS_MAKE_RTL_FLIP_LEFT_AND_RIGHT_STYLES = | ||
| "RCTI18nUtil_makeRTLFlipLeftAndRightStyles" | ||
| } | ||
| } |
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