1 /*
2  * Copyright (C) 2017 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package com.android.settings.bluetooth;
17 
18 import android.bluetooth.BluetoothDevice;
19 import android.bluetooth.BluetoothProfile;
20 import android.content.Context;
21 import android.media.AudioManager;
22 import android.util.Log;
23 
24 import androidx.preference.Preference;
25 
26 import com.android.settings.connecteddevice.DevicePreferenceCallback;
27 import com.android.settingslib.bluetooth.BluetoothUtils;
28 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
29 import com.android.settingslib.flags.Flags;
30 
31 /**
32  * Controller to maintain connected bluetooth devices
33  */
34 public class ConnectedBluetoothDeviceUpdater extends BluetoothDeviceUpdater {
35 
36     private static final String TAG = "ConnBluetoothDeviceUpdater";
37     private static final boolean DBG = Log.isLoggable(BluetoothDeviceUpdater.TAG, Log.DEBUG);
38 
39     private static final String PREF_KEY = "connected_bt";
40 
41     private final AudioManager mAudioManager;
42 
ConnectedBluetoothDeviceUpdater(Context context, DevicePreferenceCallback devicePreferenceCallback, int metricsCategory)43     public ConnectedBluetoothDeviceUpdater(Context context,
44             DevicePreferenceCallback devicePreferenceCallback, int metricsCategory) {
45         super(context, devicePreferenceCallback, metricsCategory);
46         mAudioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
47     }
48 
49     @Override
onAudioModeChanged()50     public void onAudioModeChanged() {
51         forceUpdate();
52     }
53 
54     @Override
isFilterMatched(CachedBluetoothDevice cachedDevice)55     public boolean isFilterMatched(CachedBluetoothDevice cachedDevice) {
56         final int audioMode = mAudioManager.getMode();
57         final int currentAudioProfile;
58 
59         if (audioMode == AudioManager.MODE_RINGTONE
60                 || audioMode == AudioManager.MODE_IN_CALL
61                 || audioMode == AudioManager.MODE_IN_COMMUNICATION) {
62             // in phone call
63             currentAudioProfile = BluetoothProfile.HEADSET;
64         } else {
65             // without phone call
66             currentAudioProfile = BluetoothProfile.A2DP;
67         }
68 
69         boolean isFilterMatched = false;
70         if (isDeviceConnected(cachedDevice) && isDeviceInCachedDevicesList(cachedDevice)) {
71             if (DBG) {
72                 Log.d(TAG, "isFilterMatched() current audio profile : " + currentAudioProfile);
73             }
74             // If device is Hearing Aid or LE Audio, it is compatible with HFP and A2DP.
75             // It would not show in Connected Devices group.
76             if (cachedDevice.isConnectedAshaHearingAidDevice()
77                     || cachedDevice.isConnectedLeAudioDevice()) {
78                 return false;
79             }
80             // According to the current audio profile type,
81             // this page will show the bluetooth device that doesn't have corresponding profile.
82             // For example:
83             // If current audio profile is a2dp,
84             // show the bluetooth device that doesn't have a2dp profile.
85             // If current audio profile is headset,
86             // show the bluetooth device that doesn't have headset profile.
87             switch (currentAudioProfile) {
88                 case BluetoothProfile.A2DP:
89                     isFilterMatched = !cachedDevice.isConnectedA2dpDevice();
90                     break;
91                 case BluetoothProfile.HEADSET:
92                     isFilterMatched = !cachedDevice.isConnectedHfpDevice();
93                     break;
94             }
95             if (DBG) {
96                 Log.d(TAG, "isFilterMatched() device : " +
97                         cachedDevice.getName() + ", isFilterMatched : " + isFilterMatched);
98             }
99         }
100         if (Flags.enableHideExclusivelyManagedBluetoothDevice()) {
101             if (BluetoothUtils.isExclusivelyManagedBluetoothDevice(mContext,
102                     cachedDevice.getDevice())) {
103                 if (DBG) {
104                     Log.d(TAG, "isFilterMatched() hide BluetoothDevice with exclusive manager");
105                 }
106                 return false;
107             }
108         }
109         return isFilterMatched;
110     }
111 
112     @Override
addPreference(CachedBluetoothDevice cachedDevice)113     protected void addPreference(CachedBluetoothDevice cachedDevice) {
114         super.addPreference(cachedDevice);
115         final BluetoothDevice device = cachedDevice.getDevice();
116         if (mPreferenceMap.containsKey(device)) {
117             final BluetoothDevicePreference btPreference =
118                     (BluetoothDevicePreference) mPreferenceMap.get(device);
119             btPreference.setOnGearClickListener(null);
120             btPreference.hideSecondTarget(true);
121             btPreference.setOnPreferenceClickListener((Preference p) -> {
122                 launchDeviceDetails(p);
123                 return true;
124             });
125         }
126     }
127 
128     @Override
getPreferenceKey()129     protected String getPreferenceKey() {
130         return PREF_KEY;
131     }
132 
133     @Override
getLogTag()134     protected String getLogTag() {
135         return TAG;
136     }
137 
138     @Override
update(CachedBluetoothDevice cachedBluetoothDevice)139     protected void update(CachedBluetoothDevice cachedBluetoothDevice) {
140         super.update(cachedBluetoothDevice);
141         Log.d(TAG, "Map : " + mPreferenceMap);
142     }
143 }
144