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
|
/*
* Copyright (C) 2017 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.connecteddevice;
import android.content.pm.PackageManager;
import android.support.annotation.VisibleForTesting;
import android.support.v7.preference.Preference;
import android.support.v7.preference.PreferenceGroup;
import android.support.v7.preference.PreferenceScreen;
import com.android.settings.connecteddevice.usb.ConnectedUsbDeviceUpdater;
import com.android.settings.core.BasePreferenceController;
import com.android.settings.core.PreferenceControllerMixin;
import com.android.settings.bluetooth.BluetoothDeviceUpdater;
import com.android.settings.bluetooth.ConnectedBluetoothDeviceUpdater;
import com.android.settings.search.ResultPayload;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settings.dashboard.DashboardFragment;
import com.android.settingslib.core.lifecycle.events.OnStart;
import com.android.settingslib.core.lifecycle.events.OnStop;
/**
* Controller to maintain the {@link android.support.v7.preference.PreferenceGroup} for all
* connected devices. It uses {@link DevicePreferenceCallback} to add/remove {@link Preference}
*/
public class ConnectedDeviceGroupController extends BasePreferenceController
implements PreferenceControllerMixin, LifecycleObserver, OnStart, OnStop,
DevicePreferenceCallback {
private static final String KEY = "connected_device_list";
@VisibleForTesting
PreferenceGroup mPreferenceGroup;
private BluetoothDeviceUpdater mBluetoothDeviceUpdater;
private ConnectedUsbDeviceUpdater mConnectedUsbDeviceUpdater;
public ConnectedDeviceGroupController(DashboardFragment fragment, Lifecycle lifecycle) {
super(fragment.getContext(), KEY);
init(lifecycle, new ConnectedBluetoothDeviceUpdater(fragment, this),
new ConnectedUsbDeviceUpdater(fragment, this));
}
@VisibleForTesting
ConnectedDeviceGroupController(DashboardFragment fragment, Lifecycle lifecycle,
BluetoothDeviceUpdater bluetoothDeviceUpdater,
ConnectedUsbDeviceUpdater connectedUsbDeviceUpdater) {
super(fragment.getContext(), KEY);
init(lifecycle, bluetoothDeviceUpdater, connectedUsbDeviceUpdater);
}
@Override
public void onStart() {
mBluetoothDeviceUpdater.registerCallback();
mConnectedUsbDeviceUpdater.registerCallback();
}
@Override
public void onStop() {
mConnectedUsbDeviceUpdater.unregisterCallback();
mBluetoothDeviceUpdater.unregisterCallback();
}
@Override
public void displayPreference(PreferenceScreen screen) {
super.displayPreference(screen);
if (isAvailable()) {
mPreferenceGroup = (PreferenceGroup) screen.findPreference(KEY);
mPreferenceGroup.setVisible(false);
mBluetoothDeviceUpdater.setPrefContext(screen.getContext());
mBluetoothDeviceUpdater.forceUpdate();
mConnectedUsbDeviceUpdater.initUsbPreference(screen.getContext());
}
}
@Override
public int getAvailabilityStatus() {
return mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH)
? AVAILABLE
: DISABLED_UNSUPPORTED;
}
@Override
public String getPreferenceKey() {
return KEY;
}
@Override
public void onDeviceAdded(Preference preference) {
if (mPreferenceGroup.getPreferenceCount() == 0) {
mPreferenceGroup.setVisible(true);
}
mPreferenceGroup.addPreference(preference);
}
@Override
public void onDeviceRemoved(Preference preference) {
mPreferenceGroup.removePreference(preference);
if (mPreferenceGroup.getPreferenceCount() == 0) {
mPreferenceGroup.setVisible(false);
}
}
private void init(Lifecycle lifecycle, BluetoothDeviceUpdater bluetoothDeviceUpdater,
ConnectedUsbDeviceUpdater connectedUsbDeviceUpdater) {
if (lifecycle != null && isAvailable()) {
lifecycle.addObserver(this);
}
mBluetoothDeviceUpdater = bluetoothDeviceUpdater;
mConnectedUsbDeviceUpdater = connectedUsbDeviceUpdater;
}
}
|
