Home | History | Annotate | Download | only in bluetooth 
      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 android.bluetooth;
     18 
     19 import android.annotation.Nullable;
     20 import android.annotation.UnsupportedAppUsage;
     21 import android.os.Parcel;
     22 import android.os.Parcelable;
     23 
     24 import java.util.Arrays;
     25 import java.util.Objects;
     26 
     27 /**
     28  * Represents the codec status (configuration and capability) for a Bluetooth
     29  * A2DP source device.
     30  *
     31  * {@see BluetoothA2dp}
     32  *
     33  * {@hide}
     34  */
     35 public final class BluetoothCodecStatus implements Parcelable {
     36     /**
     37      * Extra for the codec configuration intents of the individual profiles.
     38      *
     39      * This extra represents the current codec status of the A2DP
     40      * profile.
     41      */
     42     @UnsupportedAppUsage
     43     public static final String EXTRA_CODEC_STATUS =
     44             "android.bluetooth.codec.extra.CODEC_STATUS";
     45 
     46     private final @Nullable BluetoothCodecConfig mCodecConfig;
     47     private final BluetoothCodecConfig[] mCodecsLocalCapabilities;
     48     private final BluetoothCodecConfig[] mCodecsSelectableCapabilities;
     49 
     50     public BluetoothCodecStatus(BluetoothCodecConfig codecConfig,
     51             BluetoothCodecConfig[] codecsLocalCapabilities,
     52             BluetoothCodecConfig[] codecsSelectableCapabilities) {
     53         mCodecConfig = codecConfig;
     54         mCodecsLocalCapabilities = codecsLocalCapabilities;
     55         mCodecsSelectableCapabilities = codecsSelectableCapabilities;
     56     }
     57 
     58     @Override
     59     public boolean equals(Object o) {
     60         if (o instanceof BluetoothCodecStatus) {
     61             BluetoothCodecStatus other = (BluetoothCodecStatus) o;
     62             return (Objects.equals(other.mCodecConfig, mCodecConfig)
     63                     && sameCapabilities(other.mCodecsLocalCapabilities, mCodecsLocalCapabilities)
     64                     && sameCapabilities(other.mCodecsSelectableCapabilities,
     65                     mCodecsSelectableCapabilities));
     66         }
     67         return false;
     68     }
     69 
     70     /**
     71      * Checks whether two arrays of capabilities contain same capabilities.
     72      * The order of the capabilities in each array is ignored.
     73      *
     74      * @param c1 the first array of capabilities to compare
     75      * @param c2 the second array of capabilities to compare
     76      * @return true if both arrays contain same capabilities
     77      */
     78     public static boolean sameCapabilities(BluetoothCodecConfig[] c1,
     79                                            BluetoothCodecConfig[] c2) {
     80         if (c1 == null) {
     81             return (c2 == null);
     82         }
     83         if (c2 == null) {
     84             return false;
     85         }
     86         if (c1.length != c2.length) {
     87             return false;
     88         }
     89         return Arrays.asList(c1).containsAll(Arrays.asList(c2));
     90     }
     91 
     92     @Override
     93     public int hashCode() {
     94         return Objects.hash(mCodecConfig, mCodecsLocalCapabilities,
     95                 mCodecsLocalCapabilities);
     96     }
     97 
     98     @Override
     99     public String toString() {
    100         return "{mCodecConfig:" + mCodecConfig
    101                 + ",mCodecsLocalCapabilities:" + Arrays.toString(mCodecsLocalCapabilities)
    102                 + ",mCodecsSelectableCapabilities:" + Arrays.toString(mCodecsSelectableCapabilities)
    103                 + "}";
    104     }
    105 
    106     @Override
    107     public int describeContents() {
    108         return 0;
    109     }
    110 
    111     public static final @android.annotation.NonNull Parcelable.Creator<BluetoothCodecStatus> CREATOR =
    112             new Parcelable.Creator<BluetoothCodecStatus>() {
    113                 public BluetoothCodecStatus createFromParcel(Parcel in) {
    114                     final BluetoothCodecConfig codecConfig = in.readTypedObject(
    115                             BluetoothCodecConfig.CREATOR);
    116                     final BluetoothCodecConfig[] codecsLocalCapabilities = in.createTypedArray(
    117                             BluetoothCodecConfig.CREATOR);
    118                     final BluetoothCodecConfig[] codecsSelectableCapabilities = in.createTypedArray(
    119                             BluetoothCodecConfig.CREATOR);
    120 
    121                     return new BluetoothCodecStatus(codecConfig,
    122                             codecsLocalCapabilities,
    123                             codecsSelectableCapabilities);
    124                 }
    125 
    126                 public BluetoothCodecStatus[] newArray(int size) {
    127                     return new BluetoothCodecStatus[size];
    128                 }
    129             };
    130 
    131     @Override
    132     public void writeToParcel(Parcel out, int flags) {
    133         out.writeTypedObject(mCodecConfig, 0);
    134         out.writeTypedArray(mCodecsLocalCapabilities, 0);
    135         out.writeTypedArray(mCodecsSelectableCapabilities, 0);
    136     }
    137 
    138     /**
    139      * Gets the current codec configuration.
    140      *
    141      * @return the current codec configuration
    142      */
    143     @UnsupportedAppUsage
    144     public @Nullable BluetoothCodecConfig getCodecConfig() {
    145         return mCodecConfig;
    146     }
    147 
    148     /**
    149      * Gets the codecs local capabilities.
    150      *
    151      * @return an array with the codecs local capabilities
    152      */
    153     @UnsupportedAppUsage
    154     public BluetoothCodecConfig[] getCodecsLocalCapabilities() {
    155         return mCodecsLocalCapabilities;
    156     }
    157 
    158     /**
    159      * Gets the codecs selectable capabilities.
    160      *
    161      * @return an array with the codecs selectable capabilities
    162      */
    163     @UnsupportedAppUsage
    164     public BluetoothCodecConfig[] getCodecsSelectableCapabilities() {
    165         return mCodecsSelectableCapabilities;
    166     }
    167 }
    168