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      1 /*
      2  * Copyright (C) 2007 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 com.android.internal.statusbar;
     18 
     19 import android.os.Parcel;
     20 import android.os.Parcelable;
     21 
     22 import java.io.PrintWriter;
     23 
     24 public class StatusBarIconList implements Parcelable {
     25     private String[] mSlots;
     26     private StatusBarIcon[] mIcons;
     27 
     28     public StatusBarIconList() {
     29     }
     30 
     31     public StatusBarIconList(Parcel in) {
     32         readFromParcel(in);
     33     }
     34 
     35     public void readFromParcel(Parcel in) {
     36         this.mSlots = in.readStringArray();
     37         final int N = in.readInt();
     38         if (N < 0) {
     39             mIcons = null;
     40         } else {
     41             mIcons = new StatusBarIcon[N];
     42             for (int i=0; i<N; i++) {
     43                 if (in.readInt() != 0) {
     44                     mIcons[i] = new StatusBarIcon(in);
     45                 }
     46             }
     47         }
     48     }
     49 
     50     public void writeToParcel(Parcel out, int flags) {
     51         out.writeStringArray(mSlots);
     52         if (mIcons == null) {
     53             out.writeInt(-1);
     54         } else {
     55             final int N = mIcons.length;
     56             out.writeInt(N);
     57             for (int i=0; i<N; i++) {
     58                 StatusBarIcon ic = mIcons[i];
     59                 if (ic == null) {
     60                     out.writeInt(0);
     61                 } else {
     62                     out.writeInt(1);
     63                     ic.writeToParcel(out, flags);
     64                 }
     65             }
     66         }
     67     }
     68 
     69     public int describeContents() {
     70         return 0;
     71     }
     72 
     73     /**
     74      * Parcelable.Creator that instantiates StatusBarIconList objects
     75      */
     76     public static final Parcelable.Creator<StatusBarIconList> CREATOR
     77             = new Parcelable.Creator<StatusBarIconList>()
     78     {
     79         public StatusBarIconList createFromParcel(Parcel parcel)
     80         {
     81             return new StatusBarIconList(parcel);
     82         }
     83 
     84         public StatusBarIconList[] newArray(int size)
     85         {
     86             return new StatusBarIconList[size];
     87         }
     88     };
     89 
     90     public void defineSlots(String[] slots) {
     91         final int N = slots.length;
     92         String[] s = mSlots = new String[N];
     93         for (int i=0; i<N; i++) {
     94             s[i] = slots[i];
     95         }
     96         mIcons = new StatusBarIcon[N];
     97     }
     98 
     99     public int getSlotIndex(String slot) {
    100         final int N = mSlots.length;
    101         for (int i=0; i<N; i++) {
    102             if (slot.equals(mSlots[i])) {
    103                 return i;
    104             }
    105         }
    106         return -1;
    107     }
    108 
    109     public int size() {
    110         return mSlots.length;
    111     }
    112 
    113     public void setIcon(int index, StatusBarIcon icon) {
    114         mIcons[index] = icon.clone();
    115     }
    116 
    117     public void removeIcon(int index) {
    118         mIcons[index] = null;
    119     }
    120 
    121     public String getSlot(int index) {
    122         return mSlots[index];
    123     }
    124 
    125     public StatusBarIcon getIcon(int index) {
    126         return mIcons[index];
    127     }
    128 
    129     public int getViewIndex(int index) {
    130         int count = 0;
    131         for (int i=0; i<index; i++) {
    132             if (mIcons[i] != null) {
    133                 count++;
    134             }
    135         }
    136         return count;
    137     }
    138 
    139     public void copyFrom(StatusBarIconList that) {
    140         if (that.mSlots == null) {
    141             this.mSlots = null;
    142             this.mIcons = null;
    143         } else {
    144             final int N = that.mSlots.length;
    145             this.mSlots = new String[N];
    146             this.mIcons = new StatusBarIcon[N];
    147             for (int i=0; i<N; i++) {
    148                 this.mSlots[i] = that.mSlots[i];
    149                 this.mIcons[i] = that.mIcons[i] != null ? that.mIcons[i].clone() : null;
    150             }
    151         }
    152     }
    153 
    154     public void dump(PrintWriter pw) {
    155         final int N = mSlots.length;
    156         pw.println("Icon list:");
    157         for (int i=0; i<N; i++) {
    158             pw.printf("  %2d: (%s) %s\n", i, mSlots[i], mIcons[i]);
    159         }
    160     }
    161 }
    162