Merge "Add copy of LegacyDeviceRouteController" into udc-dev am: f517f9dcff

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21673560

Change-Id: I7ad0547ac24db89222a29826f41ffcb0f0e8cb99
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>

services/core/java/com/android/server/media/AudioPoliciesDeviceRouteController.java

@@ -0,0 +1,175 @@
+/*
+ * 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.server.media;
+
+import static android.media.MediaRoute2Info.FEATURE_LIVE_AUDIO;
+import static android.media.MediaRoute2Info.FEATURE_LIVE_VIDEO;
+import static android.media.MediaRoute2Info.FEATURE_LOCAL_PLAYBACK;
+import static android.media.MediaRoute2Info.TYPE_BUILTIN_SPEAKER;
+import static android.media.MediaRoute2Info.TYPE_DOCK;
+import static android.media.MediaRoute2Info.TYPE_HDMI;
+import static android.media.MediaRoute2Info.TYPE_USB_DEVICE;
+import static android.media.MediaRoute2Info.TYPE_WIRED_HEADPHONES;
+import static android.media.MediaRoute2Info.TYPE_WIRED_HEADSET;
+
+import android.annotation.NonNull;
+import android.annotation.Nullable;
+import android.content.Context;
+import android.media.AudioManager;
+import android.media.AudioRoutesInfo;
+import android.media.IAudioRoutesObserver;
+import android.media.IAudioService;
+import android.media.MediaRoute2Info;
+import android.os.RemoteException;
+import android.util.Slog;
+
+import com.android.internal.R;
+import com.android.internal.annotations.VisibleForTesting;
+
+import java.util.Objects;
+
+
+/* package */ final class AudioPoliciesDeviceRouteController implements DeviceRouteController {
+
+    private static final String TAG = "APDeviceRoutesController";
+
+    private static final String DEVICE_ROUTE_ID = "DEVICE_ROUTE";
+
+    @NonNull
+    private final Context mContext;
+    @NonNull
+    private final AudioManager mAudioManager;
+    @NonNull
+    private final IAudioService mAudioService;
+
+    @NonNull
+    private final OnDeviceRouteChangedListener mOnDeviceRouteChangedListener;
+    @NonNull
+    private final AudioRoutesObserver mAudioRoutesObserver = new AudioRoutesObserver();
+
+    private int mDeviceVolume;
+    private MediaRoute2Info mDeviceRoute;
+
+    @VisibleForTesting
+    /* package */ AudioPoliciesDeviceRouteController(@NonNull Context context,
+            @NonNull AudioManager audioManager,
+            @NonNull IAudioService audioService,
+            @NonNull OnDeviceRouteChangedListener onDeviceRouteChangedListener) {
+        Objects.requireNonNull(context);
+        Objects.requireNonNull(audioManager);
+        Objects.requireNonNull(audioService);
+        Objects.requireNonNull(onDeviceRouteChangedListener);
+
+        mContext = context;
+        mOnDeviceRouteChangedListener = onDeviceRouteChangedListener;
+
+        mAudioManager = audioManager;
+        mAudioService = audioService;
+
+        AudioRoutesInfo newAudioRoutes = null;
+        try {
+            newAudioRoutes = mAudioService.startWatchingRoutes(mAudioRoutesObserver);
+        } catch (RemoteException e) {
+            Slog.w(TAG, "Cannot connect to audio service to start listen to routes", e);
+        }
+
+        mDeviceRoute = createRouteFromAudioInfo(newAudioRoutes);
+    }
+
+    @Override
+    public boolean selectRoute(@Nullable Integer type) {
+        // No-op as the controller does not support selection from the outside of the class.
+        return false;
+    }
+
+    @Override
+    @NonNull
+    public synchronized MediaRoute2Info getDeviceRoute() {
+        return mDeviceRoute;
+    }
+
+    @Override
+    public synchronized boolean updateVolume(int volume) {
+        if (mDeviceVolume == volume) {
+            return false;
+        }
+
+        mDeviceVolume = volume;
+        mDeviceRoute = new MediaRoute2Info.Builder(mDeviceRoute)
+                .setVolume(volume)
+                .build();
+
+        return true;
+    }
+
+    private MediaRoute2Info createRouteFromAudioInfo(@Nullable AudioRoutesInfo newRoutes) {
+        int name = R.string.default_audio_route_name;
+        int type = TYPE_BUILTIN_SPEAKER;
+
+        if (newRoutes != null) {
+            if ((newRoutes.mainType & AudioRoutesInfo.MAIN_HEADPHONES) != 0) {
+                type = TYPE_WIRED_HEADPHONES;
+                name = R.string.default_audio_route_name_headphones;
+            } else if ((newRoutes.mainType & AudioRoutesInfo.MAIN_HEADSET) != 0) {
+                type = TYPE_WIRED_HEADSET;
+                name = R.string.default_audio_route_name_headphones;
+            } else if ((newRoutes.mainType & AudioRoutesInfo.MAIN_DOCK_SPEAKERS) != 0) {
+                type = TYPE_DOCK;
+                name = R.string.default_audio_route_name_dock_speakers;
+            } else if ((newRoutes.mainType & AudioRoutesInfo.MAIN_HDMI) != 0) {
+                type = TYPE_HDMI;
+                name = R.string.default_audio_route_name_external_device;
+            } else if ((newRoutes.mainType & AudioRoutesInfo.MAIN_USB) != 0) {
+                type = TYPE_USB_DEVICE;
+                name = R.string.default_audio_route_name_usb;
+            }
+        }
+
+        synchronized (this) {
+            return new MediaRoute2Info.Builder(
+                    DEVICE_ROUTE_ID, mContext.getResources().getText(name).toString())
+                    .setVolumeHandling(mAudioManager.isVolumeFixed()
+                            ? MediaRoute2Info.PLAYBACK_VOLUME_FIXED
+                            : MediaRoute2Info.PLAYBACK_VOLUME_VARIABLE)
+                    .setVolume(mDeviceVolume)
+                    .setVolumeMax(mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC))
+                    .setType(type)
+                    .addFeature(FEATURE_LIVE_AUDIO)
+                    .addFeature(FEATURE_LIVE_VIDEO)
+                    .addFeature(FEATURE_LOCAL_PLAYBACK)
+                    .setConnectionState(MediaRoute2Info.CONNECTION_STATE_CONNECTED)
+                    .build();
+        }
+    }
+
+    private void notifyDeviceRouteUpdate(@NonNull MediaRoute2Info deviceRoute) {
+        mOnDeviceRouteChangedListener.onDeviceRouteChanged(deviceRoute);
+    }
+
+    private class AudioRoutesObserver extends IAudioRoutesObserver.Stub {
+
+        @Override
+        public void dispatchAudioRoutesChanged(AudioRoutesInfo newAudioRoutes) {
+            MediaRoute2Info deviceRoute = createRouteFromAudioInfo(newAudioRoutes);
+            synchronized (AudioPoliciesDeviceRouteController.this) {
+                mDeviceRoute = deviceRoute;
+            }
+            notifyDeviceRouteUpdate(deviceRoute);
+        }
+    }
+
+}

services/core/java/com/android/server/media/LegacyDeviceRouteController.java

@@ -54,7 +54,7 @@ import java.util.Objects;
  */
 /* package */ final class LegacyDeviceRouteController implements DeviceRouteController {
 
-    private static final String TAG = "WiredRoutesController";
+    private static final String TAG = "LDeviceRouteController";
 
     private static final String DEVICE_ROUTE_ID = "DEVICE_ROUTE";