• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * Copyright (C) 2006 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.server.am;
18 
19 import android.content.IIntentReceiver;
20 import android.content.Intent;
21 import android.os.Binder;
22 import android.os.Bundle;
23 import android.os.IBinder;
24 import android.os.RemoteException;
25 import android.util.PrintWriterPrinter;
26 import android.util.Printer;
27 
28 import java.io.PrintWriter;
29 import java.util.ArrayList;
30 
31 /**
32  * A receiver object that has registered for one or more broadcasts.
33  * The ArrayList holds BroadcastFilter objects.
34  */
35 class ReceiverList extends ArrayList<BroadcastFilter>
36         implements IBinder.DeathRecipient {
37     final ActivityManagerService owner;
38     public final IIntentReceiver receiver;
39     public final ProcessRecord app;
40     public final int pid;
41     public final int uid;
42     BroadcastRecord curBroadcast = null;
43     boolean linkedToDeath = false;
44 
45     String stringName;
46 
ReceiverList(ActivityManagerService _owner, ProcessRecord _app, int _pid, int _uid, IIntentReceiver _receiver)47     ReceiverList(ActivityManagerService _owner, ProcessRecord _app,
48             int _pid, int _uid, IIntentReceiver _receiver) {
49         owner = _owner;
50         receiver = _receiver;
51         app = _app;
52         pid = _pid;
53         uid = _uid;
54     }
55 
56     // Want object identity, not the array identity we are inheriting.
equals(Object o)57     public boolean equals(Object o) {
58         return this == o;
59     }
hashCode()60     public int hashCode() {
61         return System.identityHashCode(this);
62     }
63 
binderDied()64     public void binderDied() {
65         linkedToDeath = false;
66         owner.unregisterReceiver(receiver);
67     }
68 
dumpLocal(PrintWriter pw, String prefix)69     void dumpLocal(PrintWriter pw, String prefix) {
70         pw.print(prefix); pw.print("app="); pw.print(app);
71             pw.print(" pid="); pw.print(pid); pw.print(" uid="); pw.println(uid);
72         if (curBroadcast != null || linkedToDeath) {
73             pw.print(prefix); pw.print("curBroadcast="); pw.print(curBroadcast);
74                 pw.print(" linkedToDeath="); pw.println(linkedToDeath);
75         }
76     }
77 
dump(PrintWriter pw, String prefix)78     void dump(PrintWriter pw, String prefix) {
79         Printer pr = new PrintWriterPrinter(pw);
80         dumpLocal(pw, prefix);
81         String p2 = prefix + "  ";
82         final int N = size();
83         for (int i=0; i<N; i++) {
84             BroadcastFilter bf = get(i);
85             pw.print(prefix); pw.print("Filter #"); pw.print(i);
86                     pw.print(": BroadcastFilter{");
87                     pw.print(Integer.toHexString(System.identityHashCode(bf)));
88                     pw.println('}');
89             bf.dumpInReceiverList(pw, pr, p2);
90         }
91     }
92 
toString()93     public String toString() {
94         if (stringName != null) {
95             return stringName;
96         }
97         StringBuilder sb = new StringBuilder(128);
98         sb.append("ReceiverList{");
99         sb.append(Integer.toHexString(System.identityHashCode(this)));
100         sb.append(' ');
101         sb.append(pid);
102         sb.append(' ');
103         sb.append((app != null ? app.processName : "(unknown name)"));
104         sb.append('/');
105         sb.append(uid);
106         sb.append((receiver.asBinder() instanceof Binder) ? " local:" : " remote:");
107         sb.append(Integer.toHexString(System.identityHashCode(receiver.asBinder())));
108         sb.append('}');
109         return stringName = sb.toString();
110     }
111 }
112