| /* |
| * Copyright 2018 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.connecteddevice; |
| |
| import static com.android.settingslib.Utils.isAudioModeOngoingCall; |
| |
| import android.bluetooth.BluetoothProfile; |
| import android.content.Context; |
| import android.content.pm.PackageManager; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.fragment.app.FragmentManager; |
| import androidx.preference.Preference; |
| import androidx.preference.PreferenceGroup; |
| import androidx.preference.PreferenceScreen; |
| |
| import com.android.settings.R; |
| import com.android.settings.accessibility.HearingAidUtils; |
| import com.android.settings.bluetooth.AvailableMediaBluetoothDeviceUpdater; |
| import com.android.settings.bluetooth.BluetoothDeviceUpdater; |
| import com.android.settings.bluetooth.Utils; |
| import com.android.settings.core.BasePreferenceController; |
| import com.android.settings.dashboard.DashboardFragment; |
| import com.android.settingslib.bluetooth.BluetoothCallback; |
| import com.android.settingslib.bluetooth.CachedBluetoothDevice; |
| import com.android.settingslib.bluetooth.LocalBluetoothManager; |
| import com.android.settingslib.core.lifecycle.LifecycleObserver; |
| import com.android.settingslib.core.lifecycle.events.OnStart; |
| import com.android.settingslib.core.lifecycle.events.OnStop; |
| |
| /** |
| * Controller to maintain the {@link androidx.preference.PreferenceGroup} for all |
| * available media devices. It uses {@link DevicePreferenceCallback} |
| * to add/remove {@link Preference} |
| */ |
| public class AvailableMediaDeviceGroupController extends BasePreferenceController |
| implements LifecycleObserver, OnStart, OnStop, DevicePreferenceCallback, BluetoothCallback { |
| |
| private static final String TAG = "AvailableMediaDeviceGroupController"; |
| private static final String KEY = "available_device_list"; |
| |
| @VisibleForTesting |
| PreferenceGroup mPreferenceGroup; |
| @VisibleForTesting |
| LocalBluetoothManager mLocalBluetoothManager; |
| private BluetoothDeviceUpdater mBluetoothDeviceUpdater; |
| private FragmentManager mFragmentManager; |
| |
| public AvailableMediaDeviceGroupController(Context context) { |
| super(context, KEY); |
| mLocalBluetoothManager = Utils.getLocalBtManager(mContext); |
| } |
| |
| @Override |
| public void onStart() { |
| if (mLocalBluetoothManager == null) { |
| Log.e(TAG, "onStart() Bluetooth is not supported on this device"); |
| return; |
| } |
| mBluetoothDeviceUpdater.registerCallback(); |
| mLocalBluetoothManager.getEventManager().registerCallback(this); |
| mBluetoothDeviceUpdater.refreshPreference(); |
| } |
| |
| @Override |
| public void onStop() { |
| if (mLocalBluetoothManager == null) { |
| Log.e(TAG, "onStop() Bluetooth is not supported on this device"); |
| return; |
| } |
| mBluetoothDeviceUpdater.unregisterCallback(); |
| mLocalBluetoothManager.getEventManager().unregisterCallback(this); |
| } |
| |
| @Override |
| public void displayPreference(PreferenceScreen screen) { |
| super.displayPreference(screen); |
| |
| mPreferenceGroup = screen.findPreference(KEY); |
| mPreferenceGroup.setVisible(false); |
| |
| if (isAvailable()) { |
| updateTitle(); |
| mBluetoothDeviceUpdater.setPrefContext(screen.getContext()); |
| mBluetoothDeviceUpdater.forceUpdate(); |
| } |
| } |
| |
| @Override |
| public int getAvailabilityStatus() { |
| return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH) |
| ? AVAILABLE_UNSEARCHABLE |
| : UNSUPPORTED_ON_DEVICE; |
| } |
| |
| @Override |
| public String getPreferenceKey() { |
| return KEY; |
| } |
| |
| @Override |
| public void onDeviceAdded(Preference preference) { |
| if (mPreferenceGroup.getPreferenceCount() == 0) { |
| mPreferenceGroup.setVisible(true); |
| } |
| mPreferenceGroup.addPreference(preference); |
| } |
| |
| @Override |
| public void onDeviceRemoved(Preference preference) { |
| mPreferenceGroup.removePreference(preference); |
| if (mPreferenceGroup.getPreferenceCount() == 0) { |
| mPreferenceGroup.setVisible(false); |
| } |
| } |
| |
| public void init(DashboardFragment fragment) { |
| mFragmentManager = fragment.getParentFragmentManager(); |
| mBluetoothDeviceUpdater = new AvailableMediaBluetoothDeviceUpdater(fragment.getContext(), |
| fragment, AvailableMediaDeviceGroupController.this); |
| } |
| |
| @VisibleForTesting |
| public void setBluetoothDeviceUpdater(BluetoothDeviceUpdater bluetoothDeviceUpdater) { |
| mBluetoothDeviceUpdater = bluetoothDeviceUpdater; |
| } |
| |
| @Override |
| public void onAudioModeChanged() { |
| updateTitle(); |
| } |
| |
| @Override |
| public void onActiveDeviceChanged(CachedBluetoothDevice activeDevice, int bluetoothProfile) { |
| // exclude inactive device |
| if (activeDevice == null) { |
| return; |
| } |
| |
| if (bluetoothProfile == BluetoothProfile.HEARING_AID) { |
| HearingAidUtils.launchHearingAidPairingDialog(mFragmentManager, activeDevice); |
| } |
| } |
| |
| private void updateTitle() { |
| if (isAudioModeOngoingCall(mContext)) { |
| // in phone call |
| mPreferenceGroup. |
| setTitle(mContext.getString(R.string.connected_device_call_device_title)); |
| } else { |
| // without phone call |
| mPreferenceGroup. |
| setTitle(mContext.getString(R.string.connected_device_media_device_title)); |
| } |
| } |
| } |