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/*
* Copyright (C) 2020 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.ui.model
import android.Manifest
import android.os.UserHandle
import androidx.lifecycle.ViewModel
import androidx.lifecycle.ViewModelProvider
import com.android.permissioncontroller.permission.data.LightPackageInfoLiveData
import com.android.permissioncontroller.permission.data.PackagePermissionsLiveData
import com.android.permissioncontroller.permission.data.SmartUpdateMediatorLiveData
import com.android.permissioncontroller.permission.data.get
import com.android.permissioncontroller.permission.utils.Utils
/**
* ViewModel for the AllAppPermissionsFragment. Has a liveData with the UI information for all
* Permissions (organized by group) that this package requests, and all the installed, non-runtime,
* normal protection permissions as well.
*
* @param packageName The name of the package this viewModel is representing
* @param user The user of the package this viewModel is representing
* @param filterGroup An optional single group that should be shown, no other groups will be
* shown
*/
class AllAppPermissionsViewModel(
packageName: String,
user: UserHandle,
filterGroup: String?
) : ViewModel() {
val allPackagePermissionsLiveData = AllPackagePermissionsLiveData(packageName, user,
filterGroup)
class AllPackagePermissionsLiveData(
packageName: String,
user: UserHandle,
private val filterGroup: String?
) : SmartUpdateMediatorLiveData<@kotlin.jvm.JvmSuppressWildcards
Map<String, List<String>>>() {
private val packagePermsLiveData =
PackagePermissionsLiveData[packageName, user]
private val packageInfoLiveData = LightPackageInfoLiveData[packageName, user]
init {
addSource(packagePermsLiveData) {
update()
}
addSource(packageInfoLiveData) {
update()
}
}
override fun onUpdate() {
if (!packagePermsLiveData.isInitialized || packagePermsLiveData.isStale ||
!packageInfoLiveData.isInitialized) {
return
}
val permissions = packagePermsLiveData.value
val packageInfo = packageInfoLiveData.value
if (permissions == null || packageInfo == null) {
value = null
return
}
value = permissions
.filter { filterGroup == null || it.key == filterGroup }
.filter { (it.key != Manifest.permission_group.STORAGE ||
Utils.shouldShowStorage(packageInfo)) }
}
}
}
/**
* Factory for an AllAppPermissionsViewModel.
*
* @param app The current application
* @param packageName The name of the package this viewModel is representing
* @param user The user of the package this viewModel is representing
* @param filterGroup An optional single group that should be shown, no other groups will be
* shown
*/
class AllAppPermissionsViewModelFactory(
private val packageName: String,
private val user: UserHandle,
private val filterGroup: String?
) : ViewModelProvider.Factory {
override fun <T : ViewModel> create(modelClass: Class<T>): T {
@Suppress("UNCHECKED_CAST")
return AllAppPermissionsViewModel(packageName, user, filterGroup) as T
}
}
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