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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.server.bluetooth
import android.bluetooth.BluetoothAdapter
import android.content.Context
import android.content.res.Resources
import android.os.HandlerThread
import android.os.UserManager
import android.provider.Settings
import com.android.server.SystemService
import com.android.server.SystemService.TargetUser
class BluetoothService(context: Context) : SystemService(context) {
private val mHandlerThread: HandlerThread
private val mBluetoothManagerService: BluetoothManagerService
private var mInitialized = false
init {
mHandlerThread = HandlerThread("BluetoothManagerService")
mHandlerThread.start()
mBluetoothManagerService = BluetoothManagerService(context, mHandlerThread.getLooper())
}
private fun initialize(user: TargetUser) {
if (!mInitialized) {
mBluetoothManagerService.handleOnBootPhase(user.userHandle)
mInitialized = true
}
}
override fun onStart() {}
override fun onBootPhase(phase: Int) {
if (phase == SystemService.PHASE_SYSTEM_SERVICES_READY) {
publishBinderService(
BluetoothAdapter.BLUETOOTH_MANAGER_SERVICE,
mBluetoothManagerService.getBinder(),
)
}
}
private fun shouldInitializeBluetooth(): Boolean {
// Not HSUM, we can initialize Bluetooth on system user
if (!UserManager.isHeadlessSystemUserMode()) {
return true
}
try {
// In HSUM, refer to config_hsumBootStrategy to see if we can boot on system user for
// provisioned device
val r = Resources.getSystem()
if (
r.getInteger(r.getIdentifier("config_hsumBootStrategy", "integer", "android")) ==
1 &&
Settings.Global.getInt(
context.contentResolver,
Settings.Global.DEVICE_PROVISIONED,
0,
) == 1
) {
return true
}
} catch (_e: Resources.NotFoundException) {
// Config not found, assuming it's 0 so no need to initialize Bluetooth
}
return false
}
override fun onUserStarting(user: TargetUser) {
if (shouldInitializeBluetooth()) {
initialize(user)
}
}
override fun onUserSwitching(_from: TargetUser?, to: TargetUser) {
if (!mInitialized) {
initialize(to)
} else {
mBluetoothManagerService.onSwitchUser(to.userHandle)
}
}
override fun onUserUnlocking(user: TargetUser) {
mBluetoothManagerService.handleOnUnlockUser(user.userHandle)
}
}
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