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      1 /*
      2  * Copyright (C) 2017 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.cts.verifier.audio;
     18 
     19 import android.media.AudioDeviceCallback;
     20 import android.media.AudioDeviceInfo;
     21 import android.media.AudioManager;
     22 import android.os.Bundle;
     23 import android.os.Handler;
     24 import android.util.Log;
     25 import android.widget.TextView;
     26 
     27 import com.android.cts.verifier.audio.peripheralprofile.PeripheralProfile;
     28 import com.android.cts.verifier.audio.peripheralprofile.ProfileManager;
     29 
     30 import com.android.cts.verifier.PassFailButtons;
     31 import com.android.cts.verifier.R;  // needed to access resource in CTSVerifier project namespace.
     32 
     33 public abstract class USBAudioPeripheralActivity extends PassFailButtons.Activity {
     34     private static final String TAG = "USBAudioPeripheralActivity";
     35     private static final boolean DEBUG = false;
     36 
     37     // Profile
     38     protected ProfileManager mProfileManager = new ProfileManager();
     39     protected PeripheralProfile mSelectedProfile;
     40 
     41     // Peripheral
     42     AudioManager mAudioManager;
     43     protected boolean mIsPeripheralAttached;
     44     protected AudioDeviceInfo mOutputDevInfo;
     45     protected AudioDeviceInfo mInputDevInfo;
     46 
     47     // This will be overriden...
     48     protected  int mSystemSampleRate = 48000;
     49 
     50     // Widgets
     51     private TextView mProfileNameTx;
     52     private TextView mProfileDescriptionTx;
     53 
     54     private TextView mPeripheralNameTx;
     55 
     56     public USBAudioPeripheralActivity() {
     57         super();
     58 
     59         mProfileManager.loadProfiles();
     60     }
     61 
     62     @Override
     63     protected void onCreate(Bundle savedInstanceState) {
     64         super.onCreate(savedInstanceState);
     65 
     66         mAudioManager = (AudioManager)getSystemService(AUDIO_SERVICE);
     67         mAudioManager.registerAudioDeviceCallback(new ConnectListener(), new Handler());
     68 
     69         mSystemSampleRate = Integer.parseInt(
     70             mAudioManager.getProperty(AudioManager.PROPERTY_OUTPUT_SAMPLE_RATE));
     71     }
     72 
     73     protected void connectPeripheralStatusWidgets() {
     74         mProfileNameTx = (TextView)findViewById(R.id.uap_profileNameTx);
     75         mProfileDescriptionTx =
     76             (TextView)findViewById(R.id.uap_profileDescriptionTx);
     77         mPeripheralNameTx = (TextView)findViewById(R.id.uap_peripheralNameTx);
     78     }
     79 
     80     private void showProfileStatus() {
     81         if (DEBUG) {
     82             Log.d(TAG, "showProfileStatus()" + (mSelectedProfile != null));
     83         }
     84         if (mSelectedProfile != null) {
     85             mProfileNameTx.setText(mSelectedProfile.getName());
     86             mProfileDescriptionTx.setText(mSelectedProfile.getDescription());
     87         } else {
     88             mProfileNameTx.setText("");
     89             mProfileDescriptionTx.setText("");
     90         }
     91     }
     92 
     93     private void showPeripheralStatus() {
     94         if (mIsPeripheralAttached) {
     95             String productName = "";
     96             if (mOutputDevInfo != null) {
     97                 productName = mOutputDevInfo.getProductName().toString();
     98             } else if (mInputDevInfo != null) {
     99                 productName = mInputDevInfo.getProductName().toString();
    100             }
    101             String ctrlText;
    102             if (mSelectedProfile == null) {
    103                 ctrlText = productName + " - UNSUPPORTED";
    104             } else {
    105                 ctrlText = productName;
    106             }
    107             mPeripheralNameTx.setText(ctrlText);
    108         } else {
    109             mPeripheralNameTx.setText("Disconnected");
    110         }
    111     }
    112 
    113     private void scanPeripheralList(AudioDeviceInfo[] devices) {
    114         // Can't just use the first record because then we will only get
    115         // Source OR sink, not both even on devices that are both.
    116         mOutputDevInfo = null;
    117         mInputDevInfo = null;
    118 
    119         // Any valid peripherals
    120         for(AudioDeviceInfo devInfo : devices) {
    121             if (devInfo.getType() == AudioDeviceInfo.TYPE_USB_DEVICE ||
    122                 devInfo.getType() == AudioDeviceInfo.TYPE_USB_HEADSET) {
    123                 if (devInfo.isSink()) {
    124                     mOutputDevInfo = devInfo;
    125                 }
    126                 if (devInfo.isSource()) {
    127                     mInputDevInfo = devInfo;
    128                 }
    129             }
    130         }
    131         mIsPeripheralAttached = mOutputDevInfo != null || mInputDevInfo != null;
    132         if (DEBUG) {
    133             Log.d(TAG, "mIsPeripheralAttached: " + mIsPeripheralAttached);
    134         }
    135 
    136         // any associated profiles?
    137         if (mIsPeripheralAttached) {
    138             if (mOutputDevInfo != null) {
    139                 mSelectedProfile =
    140                     mProfileManager.getProfile(mOutputDevInfo.getProductName().toString());
    141             } else if (mInputDevInfo != null) {
    142                 mSelectedProfile =
    143                     mProfileManager.getProfile(mInputDevInfo.getProductName().toString());
    144             }
    145         } else {
    146             mSelectedProfile = null;
    147         }
    148 
    149     }
    150 
    151     private class ConnectListener extends AudioDeviceCallback {
    152         /*package*/ ConnectListener() {}
    153 
    154         //
    155         // AudioDevicesManager.OnDeviceConnectionListener
    156         //
    157         @Override
    158         public void onAudioDevicesAdded(AudioDeviceInfo[] addedDevices) {
    159             // Log.i(TAG, "onAudioDevicesAdded() num:" + addedDevices.length);
    160 
    161             scanPeripheralList(mAudioManager.getDevices(AudioManager.GET_DEVICES_ALL));
    162 
    163             showProfileStatus();
    164             showPeripheralStatus();
    165             updateConnectStatus();
    166         }
    167 
    168         @Override
    169         public void onAudioDevicesRemoved(AudioDeviceInfo[] removedDevices) {
    170             // Log.i(TAG, "onAudioDevicesRemoved() num:" + removedDevices.length);
    171 
    172             scanPeripheralList(mAudioManager.getDevices(AudioManager.GET_DEVICES_ALL));
    173 
    174             showProfileStatus();
    175             showPeripheralStatus();
    176             updateConnectStatus();
    177         }
    178     }
    179 
    180     abstract public void updateConnectStatus();
    181 }
    182 
    183