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      1 /*
      2  * Copyright (C) 2014 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.telephony;
     18 
     19 import android.os.Parcel;
     20 import android.os.Parcelable;
     21 
     22 /**
     23  * Data connection real time information
     24  *
     25  * TODO: How to handle multiple subscriptions?
     26  * @hide
     27  */
     28 public class DataConnectionRealTimeInfo implements Parcelable {
     29     private long mTime;             // Time the info was collected since boot in nanos;
     30 
     31     public static int DC_POWER_STATE_LOW       = 1;
     32     public static int DC_POWER_STATE_MEDIUM    = 2;
     33     public static int DC_POWER_STATE_HIGH      = 3;
     34     public static int DC_POWER_STATE_UNKNOWN   = Integer.MAX_VALUE;
     35 
     36     private int mDcPowerState;      // DC_POWER_STATE_[LOW | MEDIUM | HIGH | UNKNOWN]
     37 
     38     /**
     39      * Constructor
     40      *
     41      * @hide
     42      */
     43     public DataConnectionRealTimeInfo(long time, int dcPowerState) {
     44         mTime = time;
     45         mDcPowerState = dcPowerState;
     46     }
     47 
     48     /**
     49      * Constructor
     50      *
     51      * @hide
     52      */
     53     public DataConnectionRealTimeInfo() {
     54         mTime = Long.MAX_VALUE;
     55         mDcPowerState = DC_POWER_STATE_UNKNOWN;
     56     }
     57 
     58     /**
     59      * Construct a PreciseCallState object from the given parcel.
     60      */
     61     private DataConnectionRealTimeInfo(Parcel in) {
     62         mTime = in.readLong();
     63         mDcPowerState = in.readInt();
     64     }
     65 
     66     /**
     67      * @return time the information was collected or Long.MAX_VALUE if unknown
     68      */
     69     public long getTime() {
     70         return mTime;
     71     }
     72 
     73     /**
     74      * @return DC_POWER_STATE_[LOW | MEDIUM | HIGH | UNKNOWN]
     75      */
     76     public int getDcPowerState() {
     77         return mDcPowerState;
     78     }
     79 
     80     @Override
     81     public int describeContents() {
     82         return 0;
     83     }
     84 
     85     @Override
     86     public void writeToParcel(Parcel out, int flags) {
     87         out.writeLong(mTime);
     88         out.writeInt(mDcPowerState);
     89     }
     90 
     91     public static final Parcelable.Creator<DataConnectionRealTimeInfo> CREATOR
     92             = new Parcelable.Creator<DataConnectionRealTimeInfo>() {
     93 
     94         @Override
     95         public DataConnectionRealTimeInfo createFromParcel(Parcel in) {
     96             return new DataConnectionRealTimeInfo(in);
     97         }
     98 
     99         @Override
    100         public DataConnectionRealTimeInfo[] newArray(int size) {
    101             return new DataConnectionRealTimeInfo[size];
    102         }
    103     };
    104 
    105     @Override
    106     public int hashCode() {
    107         final long prime = 17;
    108         long result = 1;
    109         result = (prime * result) + mTime;
    110         result += (prime * result) + mDcPowerState;
    111         return (int)result;
    112     }
    113 
    114     @Override
    115     public boolean equals(Object obj) {
    116         if (this == obj) {
    117             return true;
    118         }
    119         if (obj == null) {
    120             return false;
    121         }
    122         if (getClass() != obj.getClass()) {
    123             return false;
    124         }
    125         DataConnectionRealTimeInfo other = (DataConnectionRealTimeInfo) obj;
    126         return (mTime == other.mTime)
    127                 && (mDcPowerState == other.mDcPowerState);
    128     }
    129 
    130     @Override
    131     public String toString() {
    132         StringBuffer sb = new StringBuffer();
    133 
    134         sb.append("mTime=").append(mTime);
    135         sb.append(" mDcPowerState=").append(mDcPowerState);
    136 
    137         return sb.toString();
    138     }
    139 }
    140