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      1 /*
      2  * Copyright (C) 2012 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 import android.telephony.Rlog;
     22 
     23 /**
     24  * Immutable cell information from a point in time.
     25  */
     26 public final class CellInfoGsm extends CellInfo implements Parcelable {
     27 
     28     private static final String LOG_TAG = "CellInfoGsm";
     29     private static final boolean DBG = false;
     30 
     31     private CellIdentityGsm mCellIdentityGsm;
     32     private CellSignalStrengthGsm mCellSignalStrengthGsm;
     33 
     34     /** @hide */
     35     public CellInfoGsm() {
     36         super();
     37         mCellIdentityGsm = new CellIdentityGsm();
     38         mCellSignalStrengthGsm = new CellSignalStrengthGsm();
     39     }
     40 
     41     /** @hide */
     42     public CellInfoGsm(CellInfoGsm ci) {
     43         super(ci);
     44         this.mCellIdentityGsm = ci.mCellIdentityGsm.copy();
     45         this.mCellSignalStrengthGsm = ci.mCellSignalStrengthGsm.copy();
     46     }
     47 
     48     public CellIdentityGsm getCellIdentity() {
     49         return mCellIdentityGsm;
     50     }
     51     /** @hide */
     52     public void setCellIdentity(CellIdentityGsm cid) {
     53         mCellIdentityGsm = cid;
     54     }
     55 
     56     public CellSignalStrengthGsm getCellSignalStrength() {
     57         return mCellSignalStrengthGsm;
     58     }
     59     /** @hide */
     60     public void setCellSignalStrength(CellSignalStrengthGsm css) {
     61         mCellSignalStrengthGsm = css;
     62     }
     63 
     64     /**
     65      * @return hash code
     66      */
     67     @Override
     68     public int hashCode() {
     69         return super.hashCode() + mCellIdentityGsm.hashCode() + mCellSignalStrengthGsm.hashCode();
     70     }
     71 
     72     @Override
     73     public boolean equals(Object other) {
     74         if (!super.equals(other)) {
     75             return false;
     76         }
     77         try {
     78             CellInfoGsm o = (CellInfoGsm) other;
     79             return mCellIdentityGsm.equals(o.mCellIdentityGsm)
     80                     && mCellSignalStrengthGsm.equals(o.mCellSignalStrengthGsm);
     81         } catch (ClassCastException e) {
     82             return false;
     83         }
     84     }
     85 
     86     @Override
     87     public String toString() {
     88         StringBuffer sb = new StringBuffer();
     89 
     90         sb.append("CellInfoGsm:{");
     91         sb.append(super.toString());
     92         sb.append(" ").append(mCellIdentityGsm);
     93         sb.append(" ").append(mCellSignalStrengthGsm);
     94         sb.append("}");
     95 
     96         return sb.toString();
     97     }
     98 
     99     /** Implement the Parcelable interface */
    100     @Override
    101     public int describeContents() {
    102         return 0;
    103     }
    104 
    105     /** Implement the Parcelable interface */
    106     @Override
    107     public void writeToParcel(Parcel dest, int flags) {
    108         super.writeToParcel(dest, flags, TYPE_GSM);
    109         mCellIdentityGsm.writeToParcel(dest, flags);
    110         mCellSignalStrengthGsm.writeToParcel(dest, flags);
    111     }
    112 
    113     /**
    114      * Construct a CellInfoGsm object from the given parcel
    115      * where the token is already been processed.
    116      */
    117     private CellInfoGsm(Parcel in) {
    118         super(in);
    119         mCellIdentityGsm = CellIdentityGsm.CREATOR.createFromParcel(in);
    120         mCellSignalStrengthGsm = CellSignalStrengthGsm.CREATOR.createFromParcel(in);
    121     }
    122 
    123     /** Implement the Parcelable interface */
    124     public static final Creator<CellInfoGsm> CREATOR = new Creator<CellInfoGsm>() {
    125         @Override
    126         public CellInfoGsm createFromParcel(Parcel in) {
    127             in.readInt(); // Skip past token, we know what it is
    128             return createFromParcelBody(in);
    129         }
    130 
    131         @Override
    132         public CellInfoGsm[] newArray(int size) {
    133             return new CellInfoGsm[size];
    134         }
    135     };
    136 
    137     /** @hide */
    138     protected static CellInfoGsm createFromParcelBody(Parcel in) {
    139         return new CellInfoGsm(in);
    140     }
    141 
    142     /**
    143      * log
    144      */
    145     private static void log(String s) {
    146         Rlog.w(LOG_TAG, s);
    147     }
    148 }
    149