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
|
/*
* Copyright (C) 2015 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.volume;
import android.content.Context;
import android.media.AudioManager;
import android.media.MediaMetadata;
import android.media.VolumeProvider;
import android.media.session.MediaController.PlaybackInfo;
import android.media.session.PlaybackState;
import android.telephony.TelephonyManager;
import android.view.View;
import android.widget.TextView;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;
import java.util.Objects;
/**
* Static helpers for the volume dialog.
*/
class Util {
// Note: currently not shown (only used in the text footer)
private static final SimpleDateFormat HMMAA = new SimpleDateFormat("h:mm aa", Locale.US);
private static int[] AUDIO_MANAGER_FLAGS = new int[] {
AudioManager.FLAG_SHOW_UI,
AudioManager.FLAG_VIBRATE,
AudioManager.FLAG_PLAY_SOUND,
AudioManager.FLAG_ALLOW_RINGER_MODES,
AudioManager.FLAG_REMOVE_SOUND_AND_VIBRATE,
AudioManager.FLAG_SHOW_VIBRATE_HINT,
AudioManager.FLAG_SHOW_SILENT_HINT,
AudioManager.FLAG_FROM_KEY,
AudioManager.FLAG_SHOW_UI_WARNINGS,
};
private static String[] AUDIO_MANAGER_FLAG_NAMES = new String[] {
"SHOW_UI",
"VIBRATE",
"PLAY_SOUND",
"ALLOW_RINGER_MODES",
"REMOVE_SOUND_AND_VIBRATE",
"SHOW_VIBRATE_HINT",
"SHOW_SILENT_HINT",
"FROM_KEY",
"SHOW_UI_WARNINGS",
};
public static String logTag(Class<?> c) {
final String tag = "vol." + c.getSimpleName();
return tag.length() < 23 ? tag : tag.substring(0, 23);
}
public static String ringerModeToString(int ringerMode) {
switch (ringerMode) {
case AudioManager.RINGER_MODE_SILENT: return "RINGER_MODE_SILENT";
case AudioManager.RINGER_MODE_VIBRATE: return "RINGER_MODE_VIBRATE";
case AudioManager.RINGER_MODE_NORMAL: return "RINGER_MODE_NORMAL";
default: return "RINGER_MODE_UNKNOWN_" + ringerMode;
}
}
public static String mediaMetadataToString(MediaMetadata metadata) {
return metadata.getDescription().toString();
}
public static String playbackInfoToString(PlaybackInfo info) {
if (info == null) return null;
final String type = playbackInfoTypeToString(info.getPlaybackType());
final String vc = volumeProviderControlToString(info.getVolumeControl());
return String.format("PlaybackInfo[vol=%s,max=%s,type=%s,vc=%s],atts=%s",
info.getCurrentVolume(), info.getMaxVolume(), type, vc, info.getAudioAttributes());
}
public static String playbackInfoTypeToString(int type) {
switch (type) {
case PlaybackInfo.PLAYBACK_TYPE_LOCAL: return "LOCAL";
case PlaybackInfo.PLAYBACK_TYPE_REMOTE: return "REMOTE";
default: return "UNKNOWN_" + type;
}
}
public static String playbackStateStateToString(int state) {
switch (state) {
case PlaybackState.STATE_NONE: return "STATE_NONE";
case PlaybackState.STATE_STOPPED: return "STATE_STOPPED";
case PlaybackState.STATE_PAUSED: return "STATE_PAUSED";
case PlaybackState.STATE_PLAYING: return "STATE_PLAYING";
default: return "UNKNOWN_" + state;
}
}
public static String volumeProviderControlToString(int control) {
switch (control) {
case VolumeProvider.VOLUME_CONTROL_ABSOLUTE: return "VOLUME_CONTROL_ABSOLUTE";
case VolumeProvider.VOLUME_CONTROL_FIXED: return "VOLUME_CONTROL_FIXED";
case VolumeProvider.VOLUME_CONTROL_RELATIVE: return "VOLUME_CONTROL_RELATIVE";
default: return "VOLUME_CONTROL_UNKNOWN_" + control;
}
}
public static String playbackStateToString(PlaybackState playbackState) {
if (playbackState == null) return null;
return playbackStateStateToString(playbackState.getState()) + " " + playbackState;
}
public static String audioManagerFlagsToString(int value) {
return bitFieldToString(value, AUDIO_MANAGER_FLAGS, AUDIO_MANAGER_FLAG_NAMES);
}
private static String bitFieldToString(int value, int[] values, String[] names) {
if (value == 0) return "";
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < values.length; i++) {
if ((value & values[i]) != 0) {
if (sb.length() > 0) sb.append(',');
sb.append(names[i]);
}
value &= ~values[i];
}
if (value != 0) {
if (sb.length() > 0) sb.append(',');
sb.append("UNKNOWN_").append(value);
}
return sb.toString();
}
public static String getShortTime(long millis) {
return HMMAA.format(new Date(millis));
}
private static CharSequence emptyToNull(CharSequence str) {
return str == null || str.length() == 0 ? null : str;
}
public static boolean setText(TextView tv, CharSequence text) {
if (Objects.equals(emptyToNull(tv.getText()), emptyToNull(text))) return false;
tv.setText(text);
return true;
}
public static final void setVisOrGone(View v, boolean vis) {
if (v == null || (v.getVisibility() == View.VISIBLE) == vis) return;
v.setVisibility(vis ? View.VISIBLE : View.GONE);
}
public static final void setVisOrInvis(View v, boolean vis) {
if (v == null || (v.getVisibility() == View.VISIBLE) == vis) return;
v.setVisibility(vis ? View.VISIBLE : View.INVISIBLE);
}
public static boolean isVoiceCapable(Context context) {
final TelephonyManager telephony =
(TelephonyManager) context.getSystemService(Context.TELEPHONY_SERVICE);
return telephony != null && telephony.isVoiceCapable();
}
}
|
