98 lines
3.5 KiB
Java
98 lines
3.5 KiB
Java
/*
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.sound;
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import static android.media.AudioManager.STREAM_VOICE_CALL;
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import static android.media.AudioSystem.DEVICE_OUT_USB_HEADSET;
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import android.bluetooth.BluetoothDevice;
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import android.content.Context;
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import androidx.preference.Preference;
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import com.android.internal.util.ArrayUtils;
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import com.android.settings.R;
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import com.android.settingslib.bluetooth.HeadsetProfile;
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/**
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* This class allows switching between HFP-connected BT devices
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* while in on-call state.
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*/
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public class HandsFreeProfileOutputPreferenceController extends
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AudioSwitchPreferenceController {
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public HandsFreeProfileOutputPreferenceController(Context context, String key) {
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super(context, key);
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}
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@Override
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public void updateState(Preference preference) {
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if (preference == null) {
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// In case UI is not ready.
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return;
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}
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if (!isOngoingCallStatus()) {
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// Without phone call, disable the switch entry.
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preference.setEnabled(false);
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preference.setSummary(mContext.getText(R.string.media_output_default_summary));
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return;
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}
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// Ongoing call status, list all the connected devices support hands free profile.
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// Select current active device.
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// Disable switch entry if there is no connected device.
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mConnectedDevices = null;
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BluetoothDevice activeDevice = null;
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final HeadsetProfile headsetProfile = mProfileManager.getHeadsetProfile();
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if (headsetProfile != null) {
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mConnectedDevices = headsetProfile.getConnectedDevices();
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activeDevice = headsetProfile.getActiveDevice();
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}
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final int numDevices = ArrayUtils.size(mConnectedDevices);
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if (numDevices == 0) {
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// No connected devices, disable switch entry.
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preference.setEnabled(false);
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preference.setSummary(mContext.getText(R.string.media_output_default_summary));
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return;
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}
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preference.setEnabled(true);
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CharSequence[] mediaOutputs = new CharSequence[numDevices + 1];
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CharSequence[] mediaValues = new CharSequence[numDevices + 1];
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// Setup devices entries, select active connected device
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setupPreferenceEntries(mediaOutputs, mediaValues, activeDevice);
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if (isStreamFromOutputDevice(STREAM_VOICE_CALL, DEVICE_OUT_USB_HEADSET)) {
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// If wired headset is plugged in and active, select to default device.
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mSelectedIndex = getDefaultDeviceIndex();
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}
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// Display connected devices, default device and show the active device
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setPreference(mediaOutputs, mediaValues, preference);
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}
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@Override
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public void setActiveBluetoothDevice(BluetoothDevice device) {
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if (isOngoingCallStatus()) {
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mProfileManager.getHeadsetProfile().setActiveDevice(device);
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}
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}
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}
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