[Audiosharing] Add toggle to improve sharing compatibility.

            android:summary="********"

            android:title="Stream name"

            settings:controller="com.android.settings.connecteddevice.audiosharing.AudioSharingNamePreferenceController" />

        <SwitchPreferenceCompat

            android:key="audio_sharing_stream_compatibility"

            android:title="Improve compatibility"

            settings:controller="com.android.settings.connecteddevice.audiosharing.AudioSharingCompatibilityPreferenceController" />

    </PreferenceCategory>

    <PreferenceCategory

/*

 * Copyright (C) 2024 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.audiosharing;

import android.bluetooth.BluetoothLeBroadcast;

import android.bluetooth.BluetoothLeBroadcastMetadata;

import android.content.Context;

import android.util.Log;

import androidx.annotation.NonNull;

import androidx.annotation.Nullable;

import androidx.lifecycle.DefaultLifecycleObserver;

import androidx.lifecycle.LifecycleOwner;

import androidx.preference.PreferenceScreen;

import androidx.preference.TwoStatePreference;

import com.android.settings.bluetooth.Utils;

import com.android.settings.core.TogglePreferenceController;

import com.android.settingslib.bluetooth.LocalBluetoothLeBroadcast;

import com.android.settingslib.bluetooth.LocalBluetoothManager;

import java.util.concurrent.Executor;

import java.util.concurrent.Executors;

public class AudioSharingCompatibilityPreferenceController extends TogglePreferenceController

        implements DefaultLifecycleObserver {

    private static final String TAG = "AudioSharingCompatibilityPrefController";

    private static final String PREF_KEY = "audio_sharing_stream_compatibility";

    private static final String SHARING_OFF_SUMMARY =

            "Helps some devices like hearing aids connect by reducing audio quality";

    private static final String SHARING_ON_SUMMARY =

            "Turns off the audio sharing to config the compatibility";

    private final LocalBluetoothManager mBtManager;

    private final Executor mExecutor;

    private final LocalBluetoothLeBroadcast mBroadcast;

    @Nullable private TwoStatePreference mPreference;

    private final BluetoothLeBroadcast.Callback mBroadcastCallback =

            new BluetoothLeBroadcast.Callback() {

                @Override

                public void onBroadcastStarted(int reason, int broadcastId) {

                    Log.d(

                            TAG,

                            "onBroadcastStarted(), reason = "

                                    + reason

                                    + ", broadcastId = "

                                    + broadcastId);

                    updateEnabled();

                }

                @Override

                public void onBroadcastStartFailed(int reason) {}

                @Override

                public void onBroadcastMetadataChanged(

                        int broadcastId, @NonNull BluetoothLeBroadcastMetadata metadata) {}

                @Override

                public void onBroadcastStopped(int reason, int broadcastId) {

                    Log.d(

                            TAG,

                            "onBroadcastStopped(), reason = "

                                    + reason

                                    + ", broadcastId = "

                                    + broadcastId);

                    updateEnabled();

                }

                @Override

                public void onBroadcastStopFailed(int reason) {}

                @Override

                public void onBroadcastUpdated(int reason, int broadcastId) {}

                @Override

                public void onBroadcastUpdateFailed(int reason, int broadcastId) {}

                @Override

                public void onPlaybackStarted(int reason, int broadcastId) {}

                @Override

                public void onPlaybackStopped(int reason, int broadcastId) {}

            };

    public AudioSharingCompatibilityPreferenceController(Context context, String preferenceKey) {

        super(context, preferenceKey);

        mBtManager = Utils.getLocalBtManager(context);

        mBroadcast = mBtManager.getProfileManager().getLeAudioBroadcastProfile();

        mExecutor = Executors.newSingleThreadExecutor();

    }

    @Override

    public void onStart(@NonNull LifecycleOwner owner) {

        if (mBroadcast != null) {

            mBroadcast.registerServiceCallBack(mExecutor, mBroadcastCallback);

        }

    }

    @Override

    public void onStop(@NonNull LifecycleOwner owner) {

        if (mBroadcast != null) {

            mBroadcast.unregisterServiceCallBack(mBroadcastCallback);

        }

    }

    @Override

    public int getAvailabilityStatus() {

        return AudioSharingUtils.isFeatureEnabled() ? AVAILABLE : UNSUPPORTED_ON_DEVICE;

    }

    @Override

    public void displayPreference(PreferenceScreen screen) {

        super.displayPreference(screen);

        mPreference = screen.findPreference(getPreferenceKey());

        updateEnabled();

    }

    @Override

    public String getPreferenceKey() {

        return PREF_KEY;

    }

    @Override

    public boolean isChecked() {

        // TODO: return real compatibility config.

        return false;

    }

    @Override

    public boolean setChecked(boolean isChecked) {

        if (mBroadcast == null) {

            return false;

        }

        // TODO: set real compatibility config.

        return true;

    }

    @Override

    public int getSliceHighlightMenuRes() {

        return 0;

    }

    private void updateEnabled() {

        mContext.getMainExecutor()

                .execute(

                        () -> {

                            if (mPreference != null) {

                                boolean isBroadcasting =

                                        AudioSharingUtils.isBroadcasting(mBtManager);

                                mPreference.setEnabled(!isBroadcasting);

                                mPreference.setSummary(

                                        isBroadcasting ? SHARING_ON_SUMMARY : SHARING_OFF_SUMMARY);

                            }

                        });

    }

}