IntentBindRecord.java revision 9158825f9c41869689d6b1786d7c7aa8bdd524ce 
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;
22import android.util.ArrayMap;
23
24import java.io.PrintWriter;
25import java.util.HashMap;
26import java.util.Iterator;
27
28/**
29 * A particular Intent that has been bound to a Service.
30 */
31final class IntentBindRecord {
32    /** The running service. */
33    final ServiceRecord service;
34    /** The intent that is bound.*/
35    final Intent.FilterComparison intent; //
36    /** All apps that have bound to this Intent. */
37    final ArrayMap<ProcessRecord, AppBindRecord> apps
38            = new ArrayMap<ProcessRecord, AppBindRecord>();
39    /** Binder published from service. */
40    IBinder binder;
41    /** Set when we have initiated a request for this binder. */
42    boolean requested;
43    /** Set when we have received the requested binder. */
44    boolean received;
45    /** Set when we still need to tell the service all clients are unbound. */
46    boolean hasBound;
47    /** Set when the service's onUnbind() has asked to be told about new clients. */
48    boolean doRebind;
49
50    String stringName;      // caching of toString
51
52    void dump(PrintWriter pw, String prefix) {
53        pw.print(prefix); pw.print("service="); pw.println(service);
54        dumpInService(pw, prefix);
55    }
56
57    void dumpInService(PrintWriter pw, String prefix) {
58        pw.print(prefix); pw.print("intent={");
59                pw.print(intent.getIntent().toShortString(false, true, false, false));
60                pw.println('}');
61        pw.print(prefix); pw.print("binder="); pw.println(binder);
62        pw.print(prefix); pw.print("requested="); pw.print(requested);
63                pw.print(" received="); pw.print(received);
64                pw.print(" hasBound="); pw.print(hasBound);
65                pw.print(" doRebind="); pw.println(doRebind);
66        for (int i=0; i<apps.size(); i++) {
67            AppBindRecord a = apps.valueAt(i);
68            pw.print(prefix); pw.print("* Client AppBindRecord{");
69                    pw.print(Integer.toHexString(System.identityHashCode(a)));
70                    pw.print(' '); pw.print(a.client); pw.println('}');
71            a.dumpInIntentBind(pw, prefix + "  ");
72        }
73    }
74
75    IntentBindRecord(ServiceRecord _service, Intent.FilterComparison _intent) {
76        service = _service;
77        intent = _intent;
78    }
79
80    int collectFlags() {
81        int flags = 0;
82        for (int i=apps.size()-1; i>=0; i--) {
83            AppBindRecord app = apps.valueAt(i);
84            if (app.connections.size() > 0) {
85                for (ConnectionRecord conn : app.connections) {
86                    flags |= conn.flags;
87                }
88            }
89        }
90        return flags;
91    }
92
93    public String toString() {
94        if (stringName != null) {
95            return stringName;
96        }
97        StringBuilder sb = new StringBuilder(128);
98        sb.append("IntentBindRecord{");
99        sb.append(Integer.toHexString(System.identityHashCode(this)));
100        sb.append(' ');
101        if ((collectFlags()&Context.BIND_AUTO_CREATE) != 0) {
102            sb.append("CR ");
103        }
104        sb.append(service.shortName);
105        sb.append(':');
106        if (intent != null) {
107            intent.getIntent().toShortString(sb, false, false, false, false);
108        }
109        sb.append('}');
110        return stringName = sb.toString();
111    }
112}
113