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) 2018 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.sound;
import static android.bluetooth.IBluetoothHearingAid.HI_SYNC_ID_INVALID;
import android.bluetooth.BluetoothDevice;
import android.content.Context;
import android.text.TextUtils;
import androidx.preference.ListPreference;
import androidx.preference.Preference;
import com.android.settings.R;
import com.android.settingslib.Utils;
import com.android.settingslib.bluetooth.HeadsetProfile;
import com.android.settingslib.bluetooth.HearingAidProfile;
/**
* This class allows switching between HFP-connected & HAP-connected BT devices
* while in on-call state.
*/
public class HandsFreeProfileOutputPreferenceController extends AudioSwitchPreferenceController
implements Preference.OnPreferenceChangeListener {
private static final int INVALID_INDEX = -1;
public HandsFreeProfileOutputPreferenceController(Context context, String key) {
super(context, key);
}
@Override
public boolean onPreferenceChange(Preference preference, Object newValue) {
final String address = (String) newValue;
if (!(preference instanceof ListPreference)) {
return false;
}
final CharSequence defaultSummary = mContext.getText(R.string.media_output_default_summary);
final ListPreference listPreference = (ListPreference) preference;
if (TextUtils.equals(address, defaultSummary)) {
// Switch to default device which address is device name
mSelectedIndex = getDefaultDeviceIndex();
setActiveBluetoothDevice(null);
listPreference.setSummary(defaultSummary);
} else {
// Switch to BT device which address is hardware address
final int connectedDeviceIndex = getConnectedDeviceIndex(address);
if (connectedDeviceIndex == INVALID_INDEX) {
return false;
}
final BluetoothDevice btDevice = mConnectedDevices.get(connectedDeviceIndex);
mSelectedIndex = connectedDeviceIndex;
setActiveBluetoothDevice(btDevice);
listPreference.setSummary(btDevice.getAliasName());
}
return true;
}
private int getConnectedDeviceIndex(String hardwareAddress) {
if (mConnectedDevices != null) {
for (int i = 0, size = mConnectedDevices.size(); i < size; i++) {
final BluetoothDevice btDevice = mConnectedDevices.get(i);
if (TextUtils.equals(btDevice.getAddress(), hardwareAddress)) {
return i;
}
}
}
return INVALID_INDEX;
}
@Override
public void updateState(Preference preference) {
if (preference == null) {
// In case UI is not ready.
return;
}
if (!Utils.isAudioModeOngoingCall(mContext)) {
// Without phone call, disable the switch entry.
mPreference.setVisible(false);
preference.setSummary(mContext.getText(R.string.media_output_default_summary));
return;
}
// Ongoing call status, list all the connected devices support hands free profile.
// Select current active device.
// Disable switch entry if there is no connected device.
mConnectedDevices.clear();
mConnectedDevices.addAll(getConnectedHfpDevices());
mConnectedDevices.addAll(getConnectedHearingAidDevices());
final int numDevices = mConnectedDevices.size();
if (numDevices == 0) {
// No connected devices, disable switch entry.
mPreference.setVisible(false);
final CharSequence summary = mContext.getText(R.string.media_output_default_summary);
final CharSequence[] defaultMediaOutput = new CharSequence[]{summary};
mSelectedIndex = getDefaultDeviceIndex();
preference.setSummary(summary);
setPreference(defaultMediaOutput, defaultMediaOutput, preference);
return;
}
mPreference.setVisible(true);
CharSequence[] mediaOutputs = new CharSequence[numDevices + 1];
CharSequence[] mediaValues = new CharSequence[numDevices + 1];
// Setup devices entries, select active connected device
setupPreferenceEntries(mediaOutputs, mediaValues, findActiveDevice());
// Display connected devices, default device and show the active device
setPreference(mediaOutputs, mediaValues, preference);
}
int getDefaultDeviceIndex() {
// Default device is after all connected devices.
return mConnectedDevices.size();
}
void setupPreferenceEntries(CharSequence[] mediaOutputs, CharSequence[] mediaValues,
BluetoothDevice activeDevice) {
// default to current device
mSelectedIndex = getDefaultDeviceIndex();
// default device is after all connected devices.
final CharSequence defaultSummary = mContext.getText(R.string.media_output_default_summary);
mediaOutputs[mSelectedIndex] = defaultSummary;
// use default device name as address
mediaValues[mSelectedIndex] = defaultSummary;
for (int i = 0, size = mConnectedDevices.size(); i < size; i++) {
final BluetoothDevice btDevice = mConnectedDevices.get(i);
mediaOutputs[i] = btDevice.getAliasName();
mediaValues[i] = btDevice.getAddress();
if (btDevice.equals(activeDevice)) {
// select the active connected device.
mSelectedIndex = i;
}
}
}
void setPreference(CharSequence[] mediaOutputs, CharSequence[] mediaValues,
Preference preference) {
final ListPreference listPreference = (ListPreference) preference;
listPreference.setEntries(mediaOutputs);
listPreference.setEntryValues(mediaValues);
listPreference.setValueIndex(mSelectedIndex);
listPreference.setSummary(mediaOutputs[mSelectedIndex]);
mAudioSwitchPreferenceCallback.onPreferenceDataChanged(listPreference);
}
public void setActiveBluetoothDevice(BluetoothDevice device) {
if (!Utils.isAudioModeOngoingCall(mContext)) {
return;
}
final HearingAidProfile hapProfile = mProfileManager.getHearingAidProfile();
final HeadsetProfile hfpProfile = mProfileManager.getHeadsetProfile();
if (hapProfile != null && hfpProfile != null && device == null) {
hfpProfile.setActiveDevice(null);
hapProfile.setActiveDevice(null);
} else if (hapProfile != null && hapProfile.getHiSyncId(device) != HI_SYNC_ID_INVALID) {
hapProfile.setActiveDevice(device);
} else if (hfpProfile != null) {
hfpProfile.setActiveDevice(device);
}
}
@Override
public BluetoothDevice findActiveDevice() {
BluetoothDevice activeDevice = findActiveHearingAidDevice();
final HeadsetProfile headsetProfile = mProfileManager.getHeadsetProfile();
if (activeDevice == null && headsetProfile != null) {
activeDevice = headsetProfile.getActiveDevice();
}
return activeDevice;
}
}
|
