IntentBindRecord.java revision 0c3804950236fe170ebf6cc7a5f1e3e305b8f315 
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
17package com.android.server.am;
18
19import android.content.Context;
20import android.content.Intent;
21import android.os.IBinder;
22
23import java.io.PrintWriter;
24import java.util.HashMap;
25import java.util.Iterator;
26
27/**
28 * A particular Intent that has been bound to a Service.
29 */
30class IntentBindRecord {
31    /** The running service. */
32    final ServiceRecord service;
33    /** The intent that is bound.*/
34    final Intent.FilterComparison intent; //
35    /** All apps that have bound to this Intent. */
36    final HashMap<ProcessRecord, AppBindRecord> apps
37            = new HashMap<ProcessRecord, AppBindRecord>();
38    /** Binder published from service. */
39    IBinder binder;
40    /** Set when we have initiated a request for this binder. */
41    boolean requested;
42    /** Set when we have received the requested binder. */
43    boolean received;
44    /** Set when we still need to tell the service all clients are unbound. */
45    boolean hasBound;
46    /** Set when the service's onUnbind() has asked to be told about new clients. */
47    boolean doRebind;
48
49    String stringName;      // caching of toString
50
51    void dump(PrintWriter pw, String prefix) {
52        pw.print(prefix); pw.print("service="); pw.println(service);
53        dumpInService(pw, prefix);
54    }
55
56    void dumpInService(PrintWriter pw, String prefix) {
57        pw.print(prefix); pw.print("intent={");
58                pw.print(intent.getIntent().toShortString(false, true, false, false));
59                pw.println('}');
60        pw.print(prefix); pw.print("binder="); pw.println(binder);
61        pw.print(prefix); pw.print("requested="); pw.print(requested);
62                pw.print(" received="); pw.print(received);
63                pw.print(" hasBound="); pw.print(hasBound);
64                pw.print(" doRebind="); pw.println(doRebind);
65        if (apps.size() > 0) {
66            Iterator<AppBindRecord> it = apps.values().iterator();
67            while (it.hasNext()) {
68                AppBindRecord a = it.next();
69                pw.print(prefix); pw.print("* Client AppBindRecord{");
70                        pw.print(Integer.toHexString(System.identityHashCode(a)));
71                        pw.print(' '); pw.print(a.client); pw.println('}');
72                a.dumpInIntentBind(pw, prefix + "  ");
73            }
74        }
75    }
76
77    IntentBindRecord(ServiceRecord _service, Intent.FilterComparison _intent) {
78        service = _service;
79        intent = _intent;
80    }
81
82    int collectFlags() {
83        int flags = 0;
84        if (apps.size() > 0) {
85            for (AppBindRecord app : apps.values()) {
86                if (app.connections.size() > 0) {
87                    for (ConnectionRecord conn : app.connections) {
88                        flags |= conn.flags;
89                    }
90                }
91            }
92        }
93        return flags;
94    }
95
96    public String toString() {
97        if (stringName != null) {
98            return stringName;
99        }
100        StringBuilder sb = new StringBuilder(128);
101        sb.append("IntentBindRecord{");
102        sb.append(Integer.toHexString(System.identityHashCode(this)));
103        sb.append(' ');
104        if ((collectFlags()&Context.BIND_AUTO_CREATE) != 0) {
105            sb.append("CR ");
106        }
107        sb.append(service.shortName);
108        sb.append(':');
109        if (intent != null) {
110            intent.getIntent().toShortString(sb, false, false, false, false);
111        }
112        sb.append('}');
113        return stringName = sb.toString();
114    }
115}
116