1 /* <lambda>null2 * Copyright (C) 2024 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.systemui.inputmethod.domain.interactor 18 19 import android.os.UserHandle 20 import com.android.systemui.dagger.SysUISingleton 21 import com.android.systemui.inputmethod.data.repository.InputMethodRepository 22 import javax.inject.Inject 23 import kotlinx.coroutines.flow.count 24 import kotlinx.coroutines.flow.filter 25 import kotlinx.coroutines.flow.take 26 27 /** Hosts application business logic related to input methods (e.g. software keyboard). */ 28 @SysUISingleton 29 class InputMethodInteractor 30 @Inject 31 constructor( 32 private val repository: InputMethodRepository, 33 ) { 34 /** 35 * Returns whether there are multiple enabled input methods to choose from for password input. 36 * 37 * Method adapted from `com.android.inputmethod.latin.Utils`. 38 */ 39 suspend fun hasMultipleEnabledImesOrSubtypes(userId: Int): Boolean { 40 val user = UserHandle.of(userId) 41 // Count IMEs that either have no subtypes, or have at least one non-auxiliary subtype. 42 val matchingInputMethods = 43 repository 44 .enabledInputMethods(user, fetchSubtypes = true) 45 .filter { ime -> ime.subtypes.isEmpty() || ime.subtypes.any { !it.isAuxiliary } } 46 .take(2) // Short-circuit if we find at least 2 matching IMEs. 47 48 return matchingInputMethods.count() > 1 || 49 repository.selectedInputMethodSubtypes(user).size > 1 50 } 51 52 /** Shows the system's input method picker dialog. */ 53 suspend fun showInputMethodPicker(displayId: Int, showAuxiliarySubtypes: Boolean) { 54 repository.showInputMethodPicker(displayId, showAuxiliarySubtypes) 55 } 56 } 57