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;
23import android.util.ArraySet;
24
25import java.io.PrintWriter;
26
27/**
28 * A particular Intent that has been bound to a Service.
29 */
30final class 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 ArrayMap<ProcessRecord, AppBindRecord> apps
37            = new ArrayMap<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        for (int i=0; i<apps.size(); i++) {
66            AppBindRecord a = apps.valueAt(i);
67            pw.print(prefix); pw.print("* Client AppBindRecord{");
68                    pw.print(Integer.toHexString(System.identityHashCode(a)));
69                    pw.print(' '); pw.print(a.client); pw.println('}');
70            a.dumpInIntentBind(pw, prefix + "  ");
71        }
72    }
73
74    IntentBindRecord(ServiceRecord _service, Intent.FilterComparison _intent) {
75        service = _service;
76        intent = _intent;
77    }
78
79    int collectFlags() {
80        int flags = 0;
81        for (int i=apps.size()-1; i>=0; i--) {
82            final ArraySet<ConnectionRecord> connections = apps.valueAt(i).connections;
83            for (int j=connections.size()-1; j>=0; j--) {
84                flags |= connections.valueAt(j).flags;
85            }
86        }
87        return flags;
88    }
89
90    public String toString() {
91        if (stringName != null) {
92            return stringName;
93        }
94        StringBuilder sb = new StringBuilder(128);
95        sb.append("IntentBindRecord{");
96        sb.append(Integer.toHexString(System.identityHashCode(this)));
97        sb.append(' ');
98        if ((collectFlags()&Context.BIND_AUTO_CREATE) != 0) {
99            sb.append("CR ");
100        }
101        sb.append(service.shortName);
102        sb.append(':');
103        if (intent != null) {
104            intent.getIntent().toShortString(sb, false, false, false, false);
105        }
106        sb.append('}');
107        return stringName = sb.toString();
108    }
109}
110