| /* |
| * 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.car.settings.bluetooth; |
| |
| import static android.car.hardware.power.PowerComponent.BLUETOOTH; |
| import static android.os.UserManager.DISALLOW_BLUETOOTH; |
| import static android.os.UserManager.DISALLOW_CONFIG_BLUETOOTH; |
| |
| import static com.android.car.settings.enterprise.ActionDisabledByAdminDialogFragment.DISABLED_BY_ADMIN_CONFIRM_DIALOG_TAG; |
| import static com.android.car.settings.enterprise.EnterpriseUtils.hasUserRestrictionByDpm; |
| |
| import android.bluetooth.BluetoothAdapter; |
| import android.car.drivingstate.CarUxRestrictions; |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.UserManager; |
| import android.widget.Toast; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| import com.android.car.settings.R; |
| import com.android.car.settings.common.ColoredSwitchPreference; |
| import com.android.car.settings.common.FragmentController; |
| import com.android.car.settings.common.PowerPolicyListener; |
| import com.android.car.settings.common.PreferenceController; |
| import com.android.car.settings.enterprise.EnterpriseUtils; |
| import com.android.settingslib.bluetooth.LocalBluetoothManager; |
| |
| /** |
| * Enables/disables bluetooth state via SwitchPreference. |
| */ |
| public class BluetoothStateSwitchPreferenceController extends |
| PreferenceController<ColoredSwitchPreference> { |
| |
| private final Context mContext; |
| private final IntentFilter mIntentFilter = new IntentFilter( |
| BluetoothAdapter.ACTION_STATE_CHANGED); |
| private final BroadcastReceiver mReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| int state = intent.getIntExtra(BluetoothAdapter.EXTRA_STATE, BluetoothAdapter.ERROR); |
| handleStateChanged(state); |
| } |
| }; |
| private final BluetoothAdapter mBluetoothAdapter = BluetoothAdapter.getDefaultAdapter(); |
| private LocalBluetoothManager mLocalBluetoothManager; |
| private UserManager mUserManager; |
| private boolean mUpdating = false; |
| private boolean mIsPowerOn = true; |
| |
| @VisibleForTesting |
| final PowerPolicyListener mPowerPolicyListener; |
| |
| public BluetoothStateSwitchPreferenceController(Context context, |
| String preferenceKey, |
| FragmentController fragmentController, |
| CarUxRestrictions uxRestrictions) { |
| super(context, preferenceKey, fragmentController, uxRestrictions); |
| mContext = context; |
| mPowerPolicyListener = new PowerPolicyListener(context, BLUETOOTH, |
| isPowerOn -> { |
| mIsPowerOn = isPowerOn; |
| enableSwitchPreference(getPreference(), /* enabled= */ mIsPowerOn); |
| }); |
| } |
| |
| @Override |
| protected Class<ColoredSwitchPreference> getPreferenceType() { |
| return ColoredSwitchPreference.class; |
| } |
| |
| @Override |
| protected void updateState(ColoredSwitchPreference preference) { |
| updateSwitchPreference(mBluetoothAdapter.getState() == BluetoothAdapter.STATE_ON |
| || mBluetoothAdapter.getState() == BluetoothAdapter.STATE_TURNING_ON); |
| } |
| |
| @Override |
| protected boolean handlePreferenceChanged(ColoredSwitchPreference preference, |
| Object newValue) { |
| if (mUpdating) { |
| return false; |
| } |
| enableSwitchPreference(preference, /* enabled= */ false); |
| boolean bluetoothEnabled = (Boolean) newValue; |
| if (bluetoothEnabled) { |
| mBluetoothAdapter.enable(); |
| } else { |
| mBluetoothAdapter.disable(); |
| } |
| return true; |
| } |
| |
| @Override |
| protected void onCreateInternal() { |
| mUserManager = mContext.getSystemService(UserManager.class); |
| mLocalBluetoothManager = BluetoothUtils.getLocalBtManager(mContext); |
| if (mLocalBluetoothManager == null) { |
| getFragmentController().goBack(); |
| } |
| ColoredSwitchPreference preference = getPreference(); |
| preference.setContentDescription( |
| mContext.getString(R.string.bluetooth_state_switch_content_description)); |
| preference.setClickableWhileDisabled(true); |
| preference.setDisabledClickListener(p -> { |
| // This is logic when clicking while disabled: |
| // 1. If power is off, then show a toast with the related error message; |
| // 2. If restricted by DPM, show a dialog message with the related restriction message; |
| // 3. Do nothing otherwise. |
| if (!mIsPowerOn) { |
| Toast.makeText(getContext(), |
| getContext().getString(R.string.power_component_disabled), |
| Toast.LENGTH_LONG).show(); |
| } else if (getAvailabilityStatus() == AVAILABLE_FOR_VIEWING) { |
| showActionDisabledByAdminDialog(); |
| } |
| }); |
| } |
| |
| @Override |
| protected int getDefaultAvailabilityStatus() { |
| return hasUserRestrictionByDpm(getContext(), DISALLOW_CONFIG_BLUETOOTH) |
| ? AVAILABLE_FOR_VIEWING : AVAILABLE; |
| } |
| |
| private void showActionDisabledByAdminDialog() { |
| getFragmentController().showDialog( |
| EnterpriseUtils.getActionDisabledByAdminDialog(getContext(), |
| DISALLOW_CONFIG_BLUETOOTH), |
| DISABLED_BY_ADMIN_CONFIRM_DIALOG_TAG); |
| } |
| |
| @Override |
| protected void onStartInternal() { |
| mContext.registerReceiver(mReceiver, mIntentFilter); |
| mLocalBluetoothManager.setForegroundActivity(mContext); |
| handleStateChanged(mBluetoothAdapter.getState()); |
| } |
| |
| @Override |
| protected void onResumeInternal() { |
| mPowerPolicyListener.handleCurrentPolicy(); |
| } |
| |
| @Override |
| protected void onStopInternal() { |
| mContext.unregisterReceiver(mReceiver); |
| mLocalBluetoothManager.setForegroundActivity(null); |
| } |
| |
| @Override |
| protected void onDestroyInternal() { |
| mPowerPolicyListener.release(); |
| } |
| |
| private boolean isUserRestricted() { |
| return mUserManager.hasUserRestriction(DISALLOW_BLUETOOTH); |
| } |
| |
| @VisibleForTesting |
| void handleStateChanged(int state) { |
| // Set updating state to prevent additional updates while trying to reflect the new |
| // adapter state. |
| mUpdating = true; |
| switch (state) { |
| case BluetoothAdapter.STATE_TURNING_ON: |
| enableSwitchPreference(getPreference(), /* enabled= */ false); |
| updateSwitchPreference(true); |
| break; |
| case BluetoothAdapter.STATE_ON: |
| enableSwitchPreference(getPreference(), /* enabled= */ !isUserRestricted()); |
| updateSwitchPreference(true); |
| break; |
| case BluetoothAdapter.STATE_TURNING_OFF: |
| enableSwitchPreference(getPreference(), /* enabled= */ false); |
| updateSwitchPreference(false); |
| break; |
| case BluetoothAdapter.STATE_OFF: |
| default: |
| enableSwitchPreference(getPreference(), /* enabled= */ !isUserRestricted()); |
| updateSwitchPreference(false); |
| } |
| mUpdating = false; |
| } |
| |
| private void updateSwitchPreference(boolean enabled) { |
| String bluetoothName = BluetoothAdapter.getDefaultAdapter().getName(); |
| getPreference().setSummary(enabled ? getContext() |
| .getString(R.string.bluetooth_state_switch_summary, bluetoothName) : null); |
| getPreference().setChecked(enabled); |
| } |
| |
| private void enableSwitchPreference(ColoredSwitchPreference preference, boolean enabled) { |
| preference.setEnabled(enabled && getAvailabilityStatus() == AVAILABLE); |
| } |
| } |