1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
|
/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.systemui.media;
import android.content.Context;
import android.content.pm.PackageManager.NameNotFoundException;
import android.media.IAudioService;
import android.media.IRingtonePlayer;
import android.media.Ringtone;
import android.net.Uri;
import android.os.Binder;
import android.os.IBinder;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.util.Slog;
import com.android.systemui.SystemUI;
import com.google.android.collect.Maps;
import java.io.FileDescriptor;
import java.io.PrintWriter;
import java.util.HashMap;
/**
* Service that offers to play ringtones by {@link Uri}, since our process has
* {@link android.Manifest.permission#READ_EXTERNAL_STORAGE}.
*/
public class RingtonePlayer extends SystemUI {
private static final String TAG = "RingtonePlayer";
private static final boolean LOGD = false;
// TODO: support Uri switching under same IBinder
private IAudioService mAudioService;
private final NotificationPlayer mAsyncPlayer = new NotificationPlayer(TAG);
private final HashMap<IBinder, Client> mClients = Maps.newHashMap();
@Override
public void start() {
mAsyncPlayer.setUsesWakeLock(mContext);
mAudioService = IAudioService.Stub.asInterface(
ServiceManager.getService(Context.AUDIO_SERVICE));
try {
mAudioService.setRingtonePlayer(mCallback);
} catch (RemoteException e) {
Slog.e(TAG, "Problem registering RingtonePlayer: " + e);
}
}
/**
* Represents an active remote {@link Ringtone} client.
*/
private class Client implements IBinder.DeathRecipient {
private final IBinder mToken;
private final Ringtone mRingtone;
public Client(IBinder token, Uri uri, UserHandle user, int streamType) {
mToken = token;
mRingtone = new Ringtone(getContextForUser(user), false);
mRingtone.setStreamType(streamType);
mRingtone.setUri(uri);
}
@Override
public void binderDied() {
if (LOGD) Slog.d(TAG, "binderDied() token=" + mToken);
synchronized (mClients) {
mClients.remove(mToken);
}
mRingtone.stop();
}
}
private IRingtonePlayer mCallback = new IRingtonePlayer.Stub() {
@Override
public void play(IBinder token, Uri uri, int streamType) throws RemoteException {
if (LOGD) {
Slog.d(TAG, "play(token=" + token + ", uri=" + uri + ", uid="
+ Binder.getCallingUid() + ")");
}
Client client;
synchronized (mClients) {
client = mClients.get(token);
if (client == null) {
final UserHandle user = Binder.getCallingUserHandle();
client = new Client(token, uri, user, streamType);
token.linkToDeath(client, 0);
mClients.put(token, client);
}
}
client.mRingtone.play();
}
@Override
public void stop(IBinder token) {
if (LOGD) Slog.d(TAG, "stop(token=" + token + ")");
Client client;
synchronized (mClients) {
client = mClients.remove(token);
}
if (client != null) {
client.mToken.unlinkToDeath(client, 0);
client.mRingtone.stop();
}
}
@Override
public boolean isPlaying(IBinder token) {
if (LOGD) Slog.d(TAG, "isPlaying(token=" + token + ")");
Client client;
synchronized (mClients) {
client = mClients.get(token);
}
if (client != null) {
return client.mRingtone.isPlaying();
} else {
return false;
}
}
@Override
public void playAsync(Uri uri, UserHandle user, boolean looping, int streamType) {
if (LOGD) Slog.d(TAG, "playAsync(uri=" + uri + ", user=" + user + ")");
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Async playback only available from system UID.");
}
mAsyncPlayer.play(getContextForUser(user), uri, looping, streamType);
}
@Override
public void stopAsync() {
if (LOGD) Slog.d(TAG, "stopAsync()");
if (Binder.getCallingUid() != Process.SYSTEM_UID) {
throw new SecurityException("Async playback only available from system UID.");
}
mAsyncPlayer.stop();
}
};
private Context getContextForUser(UserHandle user) {
try {
return mContext.createPackageContextAsUser(mContext.getPackageName(), 0, user);
} catch (NameNotFoundException e) {
throw new RuntimeException(e);
}
}
@Override
public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
pw.println("Clients:");
synchronized (mClients) {
for (Client client : mClients.values()) {
pw.print(" mToken=");
pw.print(client.mToken);
pw.print(" mUri=");
pw.println(client.mRingtone.getUri());
}
}
}
}
|
