| /* |
| * Copyright (C) 2020 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.systemui.car.voicerecognition; |
| |
| import android.content.BroadcastReceiver; |
| import android.content.Context; |
| import android.content.Intent; |
| import android.content.IntentFilter; |
| import android.os.UserHandle; |
| import android.util.Log; |
| import android.widget.Toast; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.systemui.CoreStartable; |
| import com.android.systemui.R; |
| import com.android.systemui.SysUIToast; |
| import com.android.systemui.dagger.qualifiers.Main; |
| import com.android.systemui.util.concurrency.DelayableExecutor; |
| |
| import javax.inject.Inject; |
| |
| /** |
| * Controller responsible for showing toast message when voice recognition over bluetooth device |
| * getting activated. |
| */ |
| public class ConnectedDeviceVoiceRecognitionNotifier extends CoreStartable { |
| |
| private static final String TAG = "CarVoiceRecognition"; |
| @VisibleForTesting |
| static final int INVALID_VALUE = -1; |
| @VisibleForTesting |
| static final int VOICE_RECOGNITION_STARTED = 1; |
| |
| // TODO(b/218911666): {@link BluetoothHeadsetClient.ACTION_AG_EVENT} is a hidden API. |
| private static final String HEADSET_CLIENT_ACTION_AG_EVENT = |
| "android.bluetooth.headsetclient.profile.action.AG_EVENT"; |
| // TODO(b/218911666): {@link BluetoothHeadsetClient.EXTRA_VOICE_RECOGNITION} is a hidden API. |
| private static final String HEADSET_CLIENT_EXTRA_VOICE_RECOGNITION = |
| "android.bluetooth.headsetclient.extra.VOICE_RECOGNITION"; |
| |
| private final DelayableExecutor mExecutor; |
| |
| private final BroadcastReceiver mVoiceRecognitionReceiver = new BroadcastReceiver() { |
| @Override |
| public void onReceive(Context context, Intent intent) { |
| if (Log.isLoggable(TAG, Log.DEBUG)) { |
| Log.d(TAG, "Voice recognition received an intent!"); |
| } |
| if (intent == null |
| || intent.getAction() == null |
| || !HEADSET_CLIENT_ACTION_AG_EVENT.equals(intent.getAction()) |
| || !intent.hasExtra(HEADSET_CLIENT_EXTRA_VOICE_RECOGNITION)) { |
| return; |
| } |
| |
| int voiceRecognitionState = intent.getIntExtra( |
| HEADSET_CLIENT_EXTRA_VOICE_RECOGNITION, INVALID_VALUE); |
| |
| if (voiceRecognitionState == VOICE_RECOGNITION_STARTED) { |
| showToastMessage(); |
| } |
| } |
| }; |
| |
| private void showToastMessage() { |
| mExecutor.execute(() -> SysUIToast.makeText(mContext, R.string.voice_recognition_toast, |
| Toast.LENGTH_LONG).show()); |
| } |
| |
| @Inject |
| public ConnectedDeviceVoiceRecognitionNotifier( |
| Context context, |
| @Main DelayableExecutor mainExecutor |
| ) { |
| super(context); |
| mExecutor = mainExecutor; |
| } |
| |
| @Override |
| public void start() { |
| } |
| |
| @Override |
| protected void onBootCompleted() { |
| IntentFilter filter = new IntentFilter(); |
| filter.addAction(HEADSET_CLIENT_ACTION_AG_EVENT); |
| mContext.registerReceiverAsUser(mVoiceRecognitionReceiver, UserHandle.ALL, filter, |
| /* broadcastPermission= */ null, /* scheduler= */ null); |
| } |
| } |