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/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.permissioncontroller.permission.data
import android.apphibernation.AppHibernationManager
import android.content.Context.APP_HIBERNATION_SERVICE
import android.os.UserHandle
import android.util.Log
import com.android.permissioncontroller.DumpableLog
import com.android.permissioncontroller.PermissionControllerApplication
import com.android.permissioncontroller.permission.utils.Utils.getUserContext
import kotlinx.coroutines.Job
/**
* Tracks which packages have been hibernated.
*/
object HibernatedPackagesLiveData
: SmartAsyncMediatorLiveData<Set<Pair<String, UserHandle>>>() {
private val LOG_TAG = HibernatedPackagesLiveData::class.java.simpleName
init {
addSource(AllPackageInfosLiveData) {
update()
}
}
override suspend fun loadDataAndPostValue(job: Job) {
if (job.isCancelled) {
return
}
if (!AllPackageInfosLiveData.isInitialized) {
return
}
val allPackages = AllPackageInfosLiveData.value!!
val hibernatingPackages = mutableSetOf<Pair<String, UserHandle>>()
for ((user, pkgs) in allPackages) {
val userContext = getUserContext(PermissionControllerApplication.get(), user)
val hibernationManager =
userContext.getSystemService(APP_HIBERNATION_SERVICE) as AppHibernationManager
for (pkg in pkgs) {
try {
if (hibernationManager.isHibernatingForUser(pkg.packageName)) {
hibernatingPackages.add(pkg.packageName to user)
}
} catch (e: Exception) {
DumpableLog.e(LOG_TAG,
"Failed to get hibernation state of package: ${pkg.packageName}")
}
}
}
Log.i(LOG_TAG, "postValue: $hibernatingPackages")
postValue(hibernatingPackages)
}
}
private val hibernatedOrRevokedPackagesLiveData = object
: SmartUpdateMediatorLiveData<Set<Pair<String, UserHandle>>>() {
init {
addSource(AutoRevokedPackagesLiveData) {
update()
}
addSource(HibernatedPackagesLiveData) {
update()
}
}
override fun onUpdate() {
if (!AutoRevokedPackagesLiveData.isInitialized ||
!HibernatedPackagesLiveData.isInitialized) {
return
}
value = AutoRevokedPackagesLiveData.value!!.keys + HibernatedPackagesLiveData.value!!
}
}
val unusedHibernatedOrRevokedPackagesLiveData =
UnusedPackagesLiveData(hibernatedOrRevokedPackagesLiveData)
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