1 /*
<lambda>null2  * Copyright (C) 2020 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.permissioncontroller.permission.data
18 
19 import android.app.Application
20 import android.os.UserHandle
21 import android.view.inputmethod.InputMethodInfo
22 import android.view.inputmethod.InputMethodManager
23 import com.android.permissioncontroller.PermissionControllerApplication
24 import com.android.permissioncontroller.permission.utils.Utils
25 import kotlinx.coroutines.Job
26 
27 /**
28  * A LiveData which tracks enabled input method packages
29  *
30  * @param app The current application
31  * @param user The user the services should be determined for
32  */
33 class EnabledInputMethodsLiveData(private val app: Application, private val user: UserHandle) :
34     SmartAsyncMediatorLiveData<List<String>>() {
35 
36     override suspend fun loadDataAndPostValue(job: Job) {
37         if (job.isCancelled) {
38             return
39         }
40 
41         val packageNames =
42             Utils.getUserContext(app, user)
43                 .getSystemService(InputMethodManager::class.java)!!
44                 .enabledInputMethodList
45                 .map { info: InputMethodInfo -> info.component.packageName }
46 
47         postValue(packageNames)
48     }
49 
50     /**
51      * Repository for [EnabledInputMethodsLiveData]
52      *
53      * <p> Key value is a user, value is its corresponding LiveData.
54      */
55     companion object : DataRepositoryForPackage<UserHandle, EnabledInputMethodsLiveData>() {
56         override fun newValue(key: UserHandle): EnabledInputMethodsLiveData {
57             return EnabledInputMethodsLiveData(PermissionControllerApplication.get(), key)
58         }
59     }
60 }
61