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      1 /*
      2  * Copyright (C) 2015 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.car.hardware.radio;
     18 
     19 import android.annotation.SystemApi;
     20 import android.os.Parcel;
     21 import android.os.Parcelable;
     22 
     23 /**
     24  * CarPreset object corresponds to a preset that is stored on the car's Radio unit.
     25  * @hide
     26  */
     27 @SystemApi
     28 public class CarRadioPreset implements Parcelable {
     29 
     30     /*
     31      * Preset number at which this preset is stored.
     32      *
     33      * The value is 1 index based.
     34      */
     35     private final int mPresetNumber;
     36     /**
     37      * Radio band this preset belongs to.
     38      * See {@link RadioManager.BAND_FM}, {@link RadioManager.BAND_AM} etc.
     39      */
     40     private final int mBand;
     41     /**
     42      * Channel number.
     43      */
     44     private final int mChannel;
     45     /**
     46      * Sub channel number.
     47      */
     48     private final int mSubChannel;
     49 
     50     public int describeContents() {
     51         return 0;
     52     }
     53 
     54     public void writeToParcel(Parcel out, int flags) {
     55         out.writeInt(mPresetNumber);
     56         out.writeInt(mBand);
     57         out.writeInt(mChannel);
     58         out.writeInt(mSubChannel);
     59     }
     60 
     61     public static final Parcelable.Creator<CarRadioPreset> CREATOR
     62             = new Parcelable.Creator<CarRadioPreset>() {
     63         public CarRadioPreset createFromParcel(Parcel in) {
     64             return new CarRadioPreset(in);
     65         }
     66 
     67         public CarRadioPreset[] newArray(int size) {
     68             return new CarRadioPreset[size];
     69         }
     70     };
     71 
     72     private CarRadioPreset(Parcel in) {
     73         mPresetNumber = in.readInt();
     74         mBand = in.readInt();
     75         mChannel = in.readInt();
     76         mSubChannel = in.readInt();
     77     }
     78 
     79     public CarRadioPreset(int presetNumber, int bandType, int channel, int subChannel) {
     80         mPresetNumber = presetNumber;
     81         mBand = bandType;
     82         mChannel = channel;
     83         mSubChannel = subChannel;
     84     }
     85 
     86     // Getters.
     87     public int getPresetNumber() { return mPresetNumber; }
     88 
     89     public int getBand() { return mBand; }
     90 
     91     public int getChannel() { return mChannel; }
     92 
     93     public int getSubChannel() { return mSubChannel; }
     94 
     95     // Printer.
     96     public String toString() {
     97         return "Preset Number: " + mPresetNumber + "\n" +
     98             "Band: " + mBand + "\n" +
     99             "Channel: " + mChannel + "\n" +
    100             "Sub channel: " + mSubChannel;
    101     }
    102 
    103     // Comparator.
    104     public boolean equals(Object o) {
    105         CarRadioPreset that = (CarRadioPreset) o;
    106 
    107         return that.getPresetNumber() == mPresetNumber &&
    108             that.getBand() == mBand &&
    109             that.getChannel() == mChannel &&
    110             that.getSubChannel() == mSubChannel;
    111 
    112     }
    113 }
    114