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/*
* Copyright (C) 2022 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.settings.spa.app.appinfo
import android.content.Context
import android.content.pm.ApplicationInfo
import android.content.pm.PackageManager.OnPermissionsChangedListener
import android.icu.text.ListFormatter
import androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import androidx.compose.ui.platform.LocalContext
import androidx.lifecycle.LiveData
import com.android.settings.R
import com.android.settingslib.applications.PermissionsSummaryHelper
import com.android.settingslib.applications.PermissionsSummaryHelper.PermissionsResultCallback
import com.android.settingslib.spa.framework.util.formatString
import com.android.settingslib.spaprivileged.framework.common.asUser
import com.android.settingslib.spaprivileged.model.app.userHandle
data class AppPermissionSummaryState(
val summary: String,
val enabled: Boolean,
)
@Composable
fun rememberAppPermissionSummary(app: ApplicationInfo): AppPermissionSummaryLiveData {
val context = LocalContext.current
return remember(app) { AppPermissionSummaryLiveData(context, app) }
}
class AppPermissionSummaryLiveData(
private val context: Context,
private val app: ApplicationInfo,
) : LiveData<AppPermissionSummaryState>() {
private val userContext = context.asUser(app.userHandle)
private val userPackageManager = userContext.packageManager
private val onPermissionsChangedListener = OnPermissionsChangedListener { uid ->
if (uid == app.uid) update()
}
override fun onActive() {
userPackageManager.addOnPermissionsChangeListener(onPermissionsChangedListener)
update()
}
override fun onInactive() {
userPackageManager.removeOnPermissionsChangeListener(onPermissionsChangedListener)
}
private fun update() {
PermissionsSummaryHelper.getPermissionSummary(
userContext, app.packageName, permissionsCallback
)
}
private val permissionsCallback = object : PermissionsResultCallback {
override fun onPermissionSummaryResult(
requestedPermissionCount: Int,
additionalGrantedPermissionCount: Int,
grantedGroupLabels: List<CharSequence>,
) {
if (requestedPermissionCount == 0) {
postValue(noPermissionRequestedState())
return
}
val labels = getDisplayLabels(additionalGrantedPermissionCount, grantedGroupLabels)
val summary = if (labels.isNotEmpty()) {
ListFormatter.getInstance().format(labels)
} else {
context.getString(R.string.runtime_permissions_summary_no_permissions_granted)
}
postValue(AppPermissionSummaryState(summary = summary, enabled = true))
}
}
private fun noPermissionRequestedState() = AppPermissionSummaryState(
summary = context.getString(R.string.runtime_permissions_summary_no_permissions_requested),
enabled = false,
)
private fun getDisplayLabels(
additionalGrantedPermissionCount: Int,
grantedGroupLabels: List<CharSequence>,
): List<CharSequence> = when (additionalGrantedPermissionCount) {
0 -> grantedGroupLabels
else -> {
grantedGroupLabels +
// N additional permissions.
context.formatString(
R.string.runtime_permissions_additional_count,
"count" to additionalGrantedPermissionCount,
)
}
}
}
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