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74 lines
2.5 KiB
Kotlin
74 lines
2.5 KiB
Kotlin
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.fenix.settings.advanced
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import android.content.Context
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import mozilla.components.lib.state.Action
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import mozilla.components.lib.state.State
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import mozilla.components.lib.state.Store
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import mozilla.components.support.locale.LocaleManager
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import java.util.Locale
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class LocaleSettingsStore(
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initialState: LocaleSettingsState
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) : Store<LocaleSettingsState, LocaleSettingsAction>(
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initialState, ::localeSettingsStateReducer
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)
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/**
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* The state of the language selection page
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* @property localeList The full list of locales available
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* @property searchedLocaleList The list of locales starting with a search query
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* @property selectedLocale The current selected locale
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*/
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data class LocaleSettingsState(
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val localeList: List<Locale>,
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val searchedLocaleList: List<Locale>,
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val selectedLocale: Locale
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) : State
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fun createInitialLocaleSettingsState(context: Context): LocaleSettingsState {
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val supportedLocales = LocaleManager.getSupportedLocales()
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return LocaleSettingsState(
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supportedLocales,
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supportedLocales,
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selectedLocale = LocaleManager.getSelectedLocale(context)
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)
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}
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/**
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* Actions to dispatch through the `LocaleSettingsStore` to modify `LocaleSettingsState` through the reducer.
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*/
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sealed class LocaleSettingsAction : Action {
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data class Select(val selectedItem: Locale) : LocaleSettingsAction()
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data class Search(val query: String) : LocaleSettingsAction()
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}
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/**
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* Reduces the locale state from the current state and an action performed on it.
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* @param state the current locale state
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* @param action the action to perform
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* @return the new locale state
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*/
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private fun localeSettingsStateReducer(
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state: LocaleSettingsState,
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action: LocaleSettingsAction
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): LocaleSettingsState {
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return when (action) {
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is LocaleSettingsAction.Select -> {
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state.copy(selectedLocale = action.selectedItem)
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}
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is LocaleSettingsAction.Search -> {
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val searchedItems = state.localeList.filter {
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it.getDisplayLanguage(it).startsWith(action.query, ignoreCase = true) ||
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it.displayLanguage.startsWith(action.query, ignoreCase = true) ||
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it === state.localeList[0]
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}
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state.copy(searchedLocaleList = searchedItems)
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}
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}
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}
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