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
181
182
183
184
185
186
187
188
189
190
191
|
/*
* Copyright (C) 2020 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.settings.notification;
import android.content.Context;
import android.content.Intent;
import android.media.RoutingSessionInfo;
import android.text.TextUtils;
import android.util.Log;
import androidx.annotation.VisibleForTesting;
import androidx.lifecycle.LifecycleObserver;
import androidx.lifecycle.OnLifecycleEvent;
import androidx.preference.Preference;
import androidx.preference.PreferenceCategory;
import androidx.preference.PreferenceScreen;
import com.android.settings.R;
import com.android.settings.core.BasePreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.media.LocalMediaManager;
import com.android.settingslib.media.MediaDevice;
import com.android.settingslib.media.MediaOutputSliceConstants;
import com.android.settingslib.utils.ThreadUtils;
import java.util.ArrayList;
import java.util.List;
/**
* A group preference controller to add/remove/update preference
* {@link com.android.settings.notification.RemoteVolumeSeekBarPreference}
**/
public class RemoteVolumeGroupController extends BasePreferenceController implements
Preference.OnPreferenceChangeListener, LifecycleObserver, LocalMediaManager.DeviceCallback {
private static final String KEY_REMOTE_VOLUME_GROUP = "remote_media_group";
private static final String TAG = "RemoteVolumePrefCtr";
@VisibleForTesting
static final String SWITCHER_PREFIX = "OUTPUT_SWITCHER";
private PreferenceCategory mPreferenceCategory;
private List<RoutingSessionInfo> mRoutingSessionInfos = new ArrayList<>();
@VisibleForTesting
LocalMediaManager mLocalMediaManager;
public RemoteVolumeGroupController(Context context, String preferenceKey) {
super(context, preferenceKey);
if (mLocalMediaManager == null) {
mLocalMediaManager = new LocalMediaManager(mContext, null, null);
mLocalMediaManager.registerCallback(this);
mLocalMediaManager.startScan();
}
}
@Override
public int getAvailabilityStatus() {
if (mRoutingSessionInfos.isEmpty()) {
return CONDITIONALLY_UNAVAILABLE;
}
return AVAILABLE_UNSEARCHABLE;
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
mPreferenceCategory = screen.findPreference(getPreferenceKey());
initRemoteMediaSession();
refreshPreference();
}
private void initRemoteMediaSession() {
mRoutingSessionInfos.clear();
for (RoutingSessionInfo info : mLocalMediaManager.getActiveMediaSession()) {
if (!info.isSystemSession()) {
mRoutingSessionInfos.add(info);
}
}
}
/**
* onDestroy()
* {@link androidx.lifecycle.OnLifecycleEvent}
**/
@OnLifecycleEvent(Lifecycle.Event.ON_DESTROY)
public void onDestroy() {
mLocalMediaManager.unregisterCallback(this);
mLocalMediaManager.stopScan();
}
private void refreshPreference() {
mPreferenceCategory.removeAll();
if (!isAvailable()) {
mPreferenceCategory.setVisible(false);
return;
}
final CharSequence outputTitle = mContext.getText(R.string.media_output_title);
final CharSequence castVolume = mContext.getText(R.string.remote_media_volume_option_title);
mPreferenceCategory.setVisible(true);
for (RoutingSessionInfo info : mRoutingSessionInfos) {
if (mPreferenceCategory.findPreference(info.getId()) != null) {
continue;
}
// Add slider
final RemoteVolumeSeekBarPreference seekBarPreference =
new RemoteVolumeSeekBarPreference(mContext);
seekBarPreference.setKey(info.getId());
seekBarPreference.setTitle(castVolume);
seekBarPreference.setMax(info.getVolumeMax());
seekBarPreference.setProgress(info.getVolume());
seekBarPreference.setMin(0);
seekBarPreference.setOnPreferenceChangeListener(this);
seekBarPreference.setIcon(R.drawable.ic_volume_remote);
mPreferenceCategory.addPreference(seekBarPreference);
// Add output indicator
final Preference preference = new Preference(mContext);
preference.setKey(SWITCHER_PREFIX + info.getId());
preference.setTitle(outputTitle);
preference.setSummary(info.getName());
mPreferenceCategory.addPreference(preference);
}
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
final MediaDevice device = mLocalMediaManager.getMediaDeviceById(preference.getKey());
if (device == null) {
Log.e(TAG, "Unable to find " + preference.getKey() + " to set volume");
return false;
}
ThreadUtils.postOnBackgroundThread(() -> {
mLocalMediaManager.adjustSessionVolume(preference.getKey(), (int) newValue);
});
return true;
}
@Override
public boolean handlePreferenceTreeClick(Preference preference) {
if (!preference.getKey().startsWith(SWITCHER_PREFIX)) {
return false;
}
for (RoutingSessionInfo info : mRoutingSessionInfos) {
if (TextUtils.equals(info.getId(),
preference.getKey().substring(SWITCHER_PREFIX.length()))) {
final Intent intent = new Intent()
.setAction(MediaOutputSliceConstants.ACTION_MEDIA_OUTPUT)
.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK)
.putExtra(MediaOutputSliceConstants.EXTRA_PACKAGE_NAME,
info.getClientPackageName());
mContext.startActivity(intent);
return true;
}
}
return false;
}
@Override
public String getPreferenceKey() {
return KEY_REMOTE_VOLUME_GROUP;
}
@Override
public void onDeviceListUpdate(List<MediaDevice> devices) {
if (mPreferenceCategory == null) {
// Preference group is not ready.
return;
}
initRemoteMediaSession();
refreshPreference();
}
@Override
public void onSelectedDeviceStateChanged(MediaDevice device, int state) {
}
}
|
