| /* |
| * Copyright (C) 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.sound; |
| |
| import static android.media.AudioManager.STREAM_VOICE_CALL; |
| import static android.media.AudioSystem.DEVICE_OUT_USB_HEADSET; |
| |
| import android.bluetooth.BluetoothDevice; |
| import android.content.Context; |
| import androidx.preference.Preference; |
| |
| import com.android.internal.util.ArrayUtils; |
| import com.android.settings.R; |
| import com.android.settingslib.bluetooth.HeadsetProfile; |
| |
| /** |
| * This class allows switching between HFP-connected BT devices |
| * while in on-call state. |
| */ |
| public class HandsFreeProfileOutputPreferenceController extends |
| AudioSwitchPreferenceController { |
| |
| public HandsFreeProfileOutputPreferenceController(Context context, String key) { |
| super(context, key); |
| } |
| |
| @Override |
| public void updateState(Preference preference) { |
| if (preference == null) { |
| // In case UI is not ready. |
| return; |
| } |
| |
| if (!isOngoingCallStatus()) { |
| // Without phone call, disable the switch entry. |
| mPreference.setVisible(false); |
| preference.setSummary(mContext.getText(R.string.media_output_default_summary)); |
| return; |
| } |
| |
| // Ongoing call status, list all the connected devices support hands free profile. |
| // Select current active device. |
| // Disable switch entry if there is no connected device. |
| mConnectedDevices = null; |
| BluetoothDevice activeDevice = null; |
| |
| final HeadsetProfile headsetProfile = mProfileManager.getHeadsetProfile(); |
| if (headsetProfile != null) { |
| mConnectedDevices = headsetProfile.getConnectedDevices(); |
| activeDevice = headsetProfile.getActiveDevice(); |
| } |
| |
| final int numDevices = ArrayUtils.size(mConnectedDevices); |
| if (numDevices == 0) { |
| // No connected devices, disable switch entry. |
| mPreference.setVisible(false); |
| preference.setSummary(mContext.getText(R.string.media_output_default_summary)); |
| return; |
| } |
| |
| mPreference.setVisible(true); |
| CharSequence[] mediaOutputs = new CharSequence[numDevices + 1]; |
| CharSequence[] mediaValues = new CharSequence[numDevices + 1]; |
| |
| // Setup devices entries, select active connected device |
| setupPreferenceEntries(mediaOutputs, mediaValues, activeDevice); |
| |
| if (isStreamFromOutputDevice(STREAM_VOICE_CALL, DEVICE_OUT_USB_HEADSET)) { |
| // If wired headset is plugged in and active, select to default device. |
| mSelectedIndex = getDefaultDeviceIndex(); |
| } |
| |
| // Display connected devices, default device and show the active device |
| setPreference(mediaOutputs, mediaValues, preference); |
| } |
| |
| @Override |
| public void setActiveBluetoothDevice(BluetoothDevice device) { |
| if (isOngoingCallStatus()) { |
| mProfileManager.getHeadsetProfile().setActiveDevice(device); |
| } |
| } |
| } |