Home | History | Annotate | Download | only in radio 
      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  * A CarRadioEvent object corresponds to a single radio event coming from the car.
     25  *
     26  * This works in conjunction with the callbacks already defined in {@link RadioCallback.Callback}.
     27  * @hide
     28  */
     29 @SystemApi
     30 public class CarRadioEvent implements Parcelable {
     31     /**
     32      * Event specifying that a radio preset has been changed.
     33      */
     34     public static final int RADIO_PRESET = 0;
     35 
     36     /**
     37      * Event type.
     38      */
     39     private final int mType;
     40 
     41     /**
     42      * CarRadioPreset for the event type EVENT_RADIO_PRESET.
     43      */
     44     private final CarRadioPreset mPreset;
     45 
     46     // Getters.
     47     public CarRadioPreset getPreset() {
     48         return mPreset;
     49     }
     50 
     51     public int getEventType() {
     52         return mType;
     53     }
     54 
     55     @Override
     56     public int describeContents() {
     57         return 0;
     58     }
     59 
     60     @Override
     61     public void writeToParcel(Parcel dest, int flags) {
     62         dest.writeInt(mType);
     63         dest.writeParcelable(mPreset, 0);
     64     }
     65 
     66     public static final Parcelable.Creator<CarRadioEvent> CREATOR
     67             = new Parcelable.Creator<CarRadioEvent>() {
     68         public CarRadioEvent createFromParcel(Parcel in) {
     69             return new CarRadioEvent(in);
     70         }
     71 
     72         public CarRadioEvent[] newArray(int size) {
     73             return new CarRadioEvent[size];
     74         }
     75     };
     76 
     77     public CarRadioEvent(int type, CarRadioPreset preset) {
     78         mType = type;
     79         mPreset = preset;
     80     }
     81 
     82     private CarRadioEvent(Parcel in) {
     83         mType = in.readInt();
     84         mPreset = in.readParcelable(CarRadioPreset.class.getClassLoader());
     85     }
     86 
     87     public String toString() {
     88         String data = "";
     89         switch (mType) {
     90           case RADIO_PRESET:
     91               data = mPreset.toString();
     92         }
     93         return mType + " " + data;
     94     }
     95 }
     96