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/*
* Copyright (C) 2023 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.systemui.notetask
import android.app.role.RoleManager
import android.content.Context
import android.content.pm.PackageManager
import android.os.UserHandle
import android.util.Log
import javax.inject.Inject
internal class NoteTaskInfoResolver
@Inject
constructor(
private val context: Context,
private val roleManager: RoleManager,
private val packageManager: PackageManager,
) {
fun resolveInfo(): NoteTaskInfo? {
// TODO(b/267634412): Select UserHandle depending on where the user initiated note-taking.
val user = context.user
val packageName = roleManager.getRoleHoldersAsUser(ROLE_NOTES, user).firstOrNull()
if (packageName.isNullOrEmpty()) return null
return NoteTaskInfo(packageName, packageManager.getUidOf(packageName, user))
}
/** Package name and kernel user-ID of a note-taking app. */
data class NoteTaskInfo(val packageName: String, val uid: Int)
companion object {
private val TAG = NoteTaskInfoResolver::class.simpleName.orEmpty()
private val EMPTY_APPLICATION_INFO_FLAGS = PackageManager.ApplicationInfoFlags.of(0)!!
/**
* Returns the kernel user-ID of [packageName] for a [user]. Returns zero if the app cannot
* be found.
*/
private fun PackageManager.getUidOf(packageName: String, user: UserHandle): Int {
val applicationInfo =
try {
getApplicationInfoAsUser(packageName, EMPTY_APPLICATION_INFO_FLAGS, user)
} catch (e: PackageManager.NameNotFoundException) {
Log.e(TAG, "Couldn't find notes app UID", e)
return 0
}
return applicationInfo.uid
}
// TODO(b/265912743): Use RoleManager.NOTES_ROLE instead.
const val ROLE_NOTES = "android.app.role.NOTES"
}
}
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