Merge "[Audiosharing] Impl "Listen with" row." into main

res/xml/bluetooth_audio_streams.xml

@@ -26,6 +26,11 @@
         android:icon="@drawable/ic_add_24dp"
         android:summary="@string/audio_streams_qr_code_summary" />
 
+    <Preference
+        android:key="audio_streams_active_device"
+        android:title="Listen with"
+        settings:controller="com.android.settings.connecteddevice.audiosharing.audiostreams.AudioStreamsActiveDeviceController" />
+
     <com.android.settings.connecteddevice.audiosharing.audiostreams.AudioStreamsProgressCategoryPreference
         android:key="audio_streams_nearby_category"
         android:title="@string/audio_streams_pref_title" />

src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsActiveDeviceController.java

@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2023 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.audiostreams;
+
+import android.content.Context;
+
+import androidx.annotation.NonNull;
+import androidx.lifecycle.DefaultLifecycleObserver;
+import androidx.lifecycle.LifecycleOwner;
+import androidx.preference.Preference;
+import androidx.preference.PreferenceScreen;
+
+import com.android.settings.core.BasePreferenceController;
+import com.android.settings.widget.SummaryUpdater;
+
+public class AudioStreamsActiveDeviceController extends BasePreferenceController
+        implements SummaryUpdater.OnSummaryChangeListener, DefaultLifecycleObserver {
+
+    public static final String KEY = "audio_streams_active_device";
+    private final AudioStreamsActiveDeviceSummaryUpdater mSummaryHelper;
+    private Preference mPreference;
+
+    public AudioStreamsActiveDeviceController(Context context, String preferenceKey) {
+        super(context, preferenceKey);
+        mSummaryHelper = new AudioStreamsActiveDeviceSummaryUpdater(mContext, this);
+    }
+
+    @Override
+    public void displayPreference(PreferenceScreen screen) {
+        super.displayPreference(screen);
+        mPreference = screen.findPreference(KEY);
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return AVAILABLE;
+    }
+
+    @Override
+    public void onSummaryChanged(String summary) {
+        mPreference.setSummary(summary);
+    }
+
+    @Override
+    public void onResume(@NonNull LifecycleOwner owner) {
+        mSummaryHelper.register(true);
+    }
+
+    @Override
+    public void onStop(@NonNull LifecycleOwner owner) {
+        mSummaryHelper.register(false);
+    }
+}

src/com/android/settings/connecteddevice/audiosharing/audiostreams/AudioStreamsActiveDeviceSummaryUpdater.java

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2023 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.audiostreams;
+
+import android.annotation.Nullable;
+import android.bluetooth.BluetoothProfile;
+import android.content.Context;
+import android.util.Log;
+
+import com.android.settings.bluetooth.Utils;
+import com.android.settings.connecteddevice.audiosharing.AudioSharingUtils;
+import com.android.settings.widget.SummaryUpdater;
+import com.android.settingslib.bluetooth.BluetoothCallback;
+import com.android.settingslib.bluetooth.BluetoothUtils;
+import com.android.settingslib.bluetooth.CachedBluetoothDevice;
+import com.android.settingslib.bluetooth.LocalBluetoothManager;
+
+import java.util.Optional;
+
+public class AudioStreamsActiveDeviceSummaryUpdater extends SummaryUpdater
+        implements BluetoothCallback {
+    private static final String TAG = "AudioStreamsListenWithSummaryUpdater";
+    private static final boolean DEBUG = BluetoothUtils.D;
+    private final LocalBluetoothManager mBluetoothManager;
+
+    public AudioStreamsActiveDeviceSummaryUpdater(
+            Context context, OnSummaryChangeListener listener) {
+        super(context, listener);
+        mBluetoothManager = Utils.getLocalBluetoothManager(context);
+    }
+
+    @Override
+    public void onActiveDeviceChanged(
+            @Nullable CachedBluetoothDevice activeDevice, int bluetoothProfile) {
+        if (DEBUG) {
+            Log.d(
+                    TAG,
+                    "onActiveDeviceChanged() with activeDevice : "
+                            + (activeDevice == null ? "null" : activeDevice.getAddress())
+                            + " on profile : "
+                            + bluetoothProfile);
+        }
+        if (bluetoothProfile == BluetoothProfile.LE_AUDIO) {
+            notifyChangeIfNeeded();
+        }
+    }
+
+    @Override
+    public void register(boolean register) {
+        if (register) {
+            notifyChangeIfNeeded();
+            mBluetoothManager.getEventManager().registerCallback(this);
+        } else {
+            mBluetoothManager.getEventManager().unregisterCallback(this);
+        }
+    }
+
+    @Override
+    protected String getSummary() {
+        var activeSink = getActiveSinkOnAssistant(mBluetoothManager);
+        if (activeSink.isEmpty()) {
+            return "No active LE Audio device";
+        }
+        return activeSink.get().getName();
+    }
+
+    private static Optional<CachedBluetoothDevice> getActiveSinkOnAssistant(
+            LocalBluetoothManager manager) {
+        if (manager == null) {
+            Log.w(TAG, "getActiveSinksOnAssistant(): LocalBluetoothManager is null!");
+            return Optional.empty();
+        }
+        var groupedDevices = AudioSharingUtils.fetchConnectedDevicesByGroupId(manager);
+        var leadDevices =
+                AudioSharingUtils.buildOrderedConnectedLeadDevices(manager, groupedDevices, false);
+
+        if (!leadDevices.isEmpty() && AudioSharingUtils.isActiveLeAudioDevice(leadDevices.get(0))) {
+            return Optional.of(leadDevices.get(0));
+        } else {
+            Log.w(TAG, "getActiveSinksOnAssistant(): No active lead device!");
+        }
+        return Optional.empty();
+    }
+}