John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2008 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 | |
| 17 | package com.android.systemui.statusbar.policy; |
| 18 | |
| 19 | import android.bluetooth.BluetoothAdapter; |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 20 | import android.content.Context; |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 21 | import android.os.Handler; |
Jason Monk | 4ae97d3 | 2014-12-17 10:14:33 -0500 | [diff] [blame] | 22 | import android.os.Looper; |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 23 | import android.os.Message; |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 24 | import android.util.Log; |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 25 | |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 26 | import com.android.settingslib.bluetooth.BluetoothCallback; |
| 27 | import com.android.settingslib.bluetooth.CachedBluetoothDevice; |
| 28 | import com.android.settingslib.bluetooth.LocalBluetoothManager; |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 29 | |
| 30 | import java.io.FileDescriptor; |
| 31 | import java.io.PrintWriter; |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 32 | import java.util.ArrayList; |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 33 | import java.util.Collection; |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 34 | |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 35 | public class BluetoothControllerImpl implements BluetoothController, BluetoothCallback, |
| 36 | CachedBluetoothDevice.Callback { |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 37 | private static final String TAG = "BluetoothController"; |
| 38 | private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG); |
Jason Monk | 4ae97d3 | 2014-12-17 10:14:33 -0500 | [diff] [blame] | 39 | |
John Spurlock | d1c86e2 | 2014-06-01 00:04:53 -0400 | [diff] [blame] | 40 | private final ArrayList<Callback> mCallbacks = new ArrayList<Callback>(); |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 41 | private final LocalBluetoothManager mLocalBluetoothManager; |
Jason Monk | 4ae97d3 | 2014-12-17 10:14:33 -0500 | [diff] [blame] | 42 | |
John Spurlock | d1c86e2 | 2014-06-01 00:04:53 -0400 | [diff] [blame] | 43 | private boolean mEnabled; |
Jason Monk | a7d92b6 | 2015-05-27 10:20:37 -0400 | [diff] [blame] | 44 | private int mConnectionState = BluetoothAdapter.STATE_DISCONNECTED; |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 45 | private CachedBluetoothDevice mLastDevice; |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 46 | |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 47 | private final H mHandler = new H(); |
| 48 | |
Jason Monk | 4ae97d3 | 2014-12-17 10:14:33 -0500 | [diff] [blame] | 49 | public BluetoothControllerImpl(Context context, Looper bgLooper) { |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 50 | mLocalBluetoothManager = LocalBluetoothManager.getInstance(context, null); |
| 51 | if (mLocalBluetoothManager != null) { |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 52 | mLocalBluetoothManager.getEventManager().setReceiverHandler(new Handler(bgLooper)); |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 53 | mLocalBluetoothManager.getEventManager().registerCallback(this); |
| 54 | onBluetoothStateChanged( |
| 55 | mLocalBluetoothManager.getBluetoothAdapter().getBluetoothState()); |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 56 | } |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 57 | } |
| 58 | |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 59 | public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 60 | pw.println("BluetoothController state:"); |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 61 | pw.print(" mLocalBluetoothManager="); pw.println(mLocalBluetoothManager); |
Jason Monk | 09389a9 | 2015-05-19 16:06:52 -0400 | [diff] [blame] | 62 | if (mLocalBluetoothManager == null) { |
| 63 | return; |
| 64 | } |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 65 | pw.print(" mEnabled="); pw.println(mEnabled); |
Jason Monk | a7d92b6 | 2015-05-27 10:20:37 -0400 | [diff] [blame] | 66 | pw.print(" mConnectionState="); pw.println(stateToString(mConnectionState)); |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 67 | pw.print(" mLastDevice="); pw.println(mLastDevice); |
| 68 | pw.print(" mCallbacks.size="); pw.println(mCallbacks.size()); |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 69 | pw.println(" Bluetooth Devices:"); |
| 70 | for (CachedBluetoothDevice device : |
| 71 | mLocalBluetoothManager.getCachedDeviceManager().getCachedDevicesCopy()) { |
| 72 | pw.println(" " + getDeviceString(device)); |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 73 | } |
| 74 | } |
| 75 | |
Jason Monk | a7d92b6 | 2015-05-27 10:20:37 -0400 | [diff] [blame] | 76 | private static String stateToString(int state) { |
| 77 | switch (state) { |
| 78 | case BluetoothAdapter.STATE_CONNECTED: |
| 79 | return "CONNECTED"; |
| 80 | case BluetoothAdapter.STATE_CONNECTING: |
| 81 | return "CONNECTING"; |
| 82 | case BluetoothAdapter.STATE_DISCONNECTED: |
| 83 | return "DISCONNECTED"; |
| 84 | case BluetoothAdapter.STATE_DISCONNECTING: |
| 85 | return "DISCONNECTING"; |
| 86 | } |
| 87 | return "UNKNOWN(" + state + ")"; |
| 88 | } |
| 89 | |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 90 | private String getDeviceString(CachedBluetoothDevice device) { |
| 91 | return device.getName() + " " + device.getBondState() + " " + device.isConnected(); |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 92 | } |
| 93 | |
Jason Monk | a7d92b6 | 2015-05-27 10:20:37 -0400 | [diff] [blame] | 94 | @Override |
John Spurlock | d1c86e2 | 2014-06-01 00:04:53 -0400 | [diff] [blame] | 95 | public void addStateChangedCallback(Callback cb) { |
| 96 | mCallbacks.add(cb); |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 97 | mHandler.sendEmptyMessage(H.MSG_STATE_CHANGED); |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 98 | } |
| 99 | |
| 100 | @Override |
John Spurlock | d1c86e2 | 2014-06-01 00:04:53 -0400 | [diff] [blame] | 101 | public void removeStateChangedCallback(Callback cb) { |
| 102 | mCallbacks.remove(cb); |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 103 | } |
| 104 | |
| 105 | @Override |
| 106 | public boolean isBluetoothEnabled() { |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 107 | return mEnabled; |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | @Override |
| 111 | public boolean isBluetoothConnected() { |
Jason Monk | a7d92b6 | 2015-05-27 10:20:37 -0400 | [diff] [blame] | 112 | return mConnectionState == BluetoothAdapter.STATE_CONNECTED; |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 113 | } |
| 114 | |
| 115 | @Override |
John Spurlock | d1c86e2 | 2014-06-01 00:04:53 -0400 | [diff] [blame] | 116 | public boolean isBluetoothConnecting() { |
Jason Monk | a7d92b6 | 2015-05-27 10:20:37 -0400 | [diff] [blame] | 117 | return mConnectionState == BluetoothAdapter.STATE_CONNECTING; |
John Spurlock | d1c86e2 | 2014-06-01 00:04:53 -0400 | [diff] [blame] | 118 | } |
| 119 | |
| 120 | @Override |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 121 | public void setBluetoothEnabled(boolean enabled) { |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 122 | if (mLocalBluetoothManager != null) { |
| 123 | mLocalBluetoothManager.getBluetoothAdapter().setBluetoothEnabled(enabled); |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 124 | } |
| 125 | } |
| 126 | |
| 127 | @Override |
| 128 | public boolean isBluetoothSupported() { |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 129 | return mLocalBluetoothManager != null; |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 130 | } |
| 131 | |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 132 | @Override |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 133 | public void connect(final CachedBluetoothDevice device) { |
| 134 | if (mLocalBluetoothManager == null || device == null) return; |
| 135 | device.connect(true); |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 136 | } |
| 137 | |
| 138 | @Override |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 139 | public void disconnect(CachedBluetoothDevice device) { |
| 140 | if (mLocalBluetoothManager == null || device == null) return; |
| 141 | device.disconnect(); |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 142 | } |
| 143 | |
| 144 | @Override |
John Spurlock | d1c86e2 | 2014-06-01 00:04:53 -0400 | [diff] [blame] | 145 | public String getLastDeviceName() { |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 146 | return mLastDevice != null ? mLastDevice.getName() : null; |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 147 | } |
| 148 | |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 149 | @Override |
| 150 | public Collection<CachedBluetoothDevice> getDevices() { |
| 151 | return mLocalBluetoothManager != null |
| 152 | ? mLocalBluetoothManager.getCachedDeviceManager().getCachedDevicesCopy() |
| 153 | : null; |
Jason Monk | 4630c89 | 2014-12-08 16:36:16 -0500 | [diff] [blame] | 154 | } |
| 155 | |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 156 | private void updateConnected() { |
Jason Monk | 9097056 | 2015-06-19 10:04:49 -0400 | [diff] [blame] | 157 | // Make sure our connection state is up to date. |
| 158 | int state = mLocalBluetoothManager.getBluetoothAdapter().getConnectionState(); |
| 159 | if (state != mConnectionState) { |
| 160 | mConnectionState = state; |
| 161 | mHandler.sendEmptyMessage(H.MSG_STATE_CHANGED); |
| 162 | } |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 163 | if (mLastDevice != null && mLastDevice.isConnected()) { |
| 164 | // Our current device is still valid. |
| 165 | return; |
Jason Monk | 4ae97d3 | 2014-12-17 10:14:33 -0500 | [diff] [blame] | 166 | } |
Jason Monk | bba7317 | 2015-08-12 16:17:34 -0400 | [diff] [blame^] | 167 | mLastDevice = null; |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 168 | for (CachedBluetoothDevice device : getDevices()) { |
| 169 | if (device.isConnected()) { |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 170 | mLastDevice = device; |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 171 | } |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 172 | } |
Jason Monk | bba7317 | 2015-08-12 16:17:34 -0400 | [diff] [blame^] | 173 | if (mLastDevice == null && mConnectionState == BluetoothAdapter.STATE_CONNECTED) { |
| 174 | // If somehow we think we are connected, but have no connected devices, we aren't |
| 175 | // connected. |
| 176 | mConnectionState = BluetoothAdapter.STATE_DISCONNECTED; |
| 177 | mHandler.sendEmptyMessage(H.MSG_STATE_CHANGED); |
| 178 | } |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 179 | } |
| 180 | |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 181 | @Override |
| 182 | public void onBluetoothStateChanged(int bluetoothState) { |
| 183 | mEnabled = bluetoothState == BluetoothAdapter.STATE_ON; |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 184 | mHandler.sendEmptyMessage(H.MSG_STATE_CHANGED); |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 185 | } |
| 186 | |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 187 | @Override |
| 188 | public void onScanningStateChanged(boolean started) { |
| 189 | // Don't care. |
| 190 | } |
Jason Monk | 4ae97d3 | 2014-12-17 10:14:33 -0500 | [diff] [blame] | 191 | |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 192 | @Override |
| 193 | public void onDeviceAdded(CachedBluetoothDevice cachedDevice) { |
| 194 | cachedDevice.registerCallback(this); |
| 195 | updateConnected(); |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 196 | mHandler.sendEmptyMessage(H.MSG_PAIRED_DEVICES_CHANGED); |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 197 | } |
Jason Monk | 4ae97d3 | 2014-12-17 10:14:33 -0500 | [diff] [blame] | 198 | |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 199 | @Override |
| 200 | public void onDeviceDeleted(CachedBluetoothDevice cachedDevice) { |
| 201 | updateConnected(); |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 202 | mHandler.sendEmptyMessage(H.MSG_PAIRED_DEVICES_CHANGED); |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | @Override |
| 206 | public void onDeviceBondStateChanged(CachedBluetoothDevice cachedDevice, int bondState) { |
| 207 | updateConnected(); |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 208 | mHandler.sendEmptyMessage(H.MSG_PAIRED_DEVICES_CHANGED); |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 209 | } |
| 210 | |
| 211 | @Override |
| 212 | public void onDeviceAttributesChanged() { |
| 213 | updateConnected(); |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 214 | mHandler.sendEmptyMessage(H.MSG_PAIRED_DEVICES_CHANGED); |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 215 | } |
| 216 | |
| 217 | @Override |
| 218 | public void onConnectionStateChanged(CachedBluetoothDevice cachedDevice, int state) { |
Jason Monk | be3c5db | 2015-02-04 13:00:55 -0500 | [diff] [blame] | 219 | mLastDevice = cachedDevice; |
| 220 | updateConnected(); |
Jason Monk | 9097056 | 2015-06-19 10:04:49 -0400 | [diff] [blame] | 221 | mConnectionState = state; |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 222 | mHandler.sendEmptyMessage(H.MSG_STATE_CHANGED); |
| 223 | } |
| 224 | |
| 225 | private final class H extends Handler { |
| 226 | private static final int MSG_PAIRED_DEVICES_CHANGED = 1; |
| 227 | private static final int MSG_STATE_CHANGED = 2; |
| 228 | |
| 229 | @Override |
| 230 | public void handleMessage(Message msg) { |
| 231 | switch (msg.what) { |
| 232 | case MSG_PAIRED_DEVICES_CHANGED: |
| 233 | firePairedDevicesChanged(); |
| 234 | break; |
| 235 | case MSG_STATE_CHANGED: |
| 236 | fireStateChange(); |
| 237 | break; |
| 238 | } |
| 239 | } |
| 240 | |
| 241 | private void firePairedDevicesChanged() { |
| 242 | for (BluetoothController.Callback cb : mCallbacks) { |
| 243 | cb.onBluetoothDevicesChanged(); |
| 244 | } |
| 245 | } |
| 246 | |
| 247 | private void fireStateChange() { |
| 248 | for (BluetoothController.Callback cb : mCallbacks) { |
| 249 | fireStateChange(cb); |
| 250 | } |
| 251 | } |
| 252 | |
| 253 | private void fireStateChange(BluetoothController.Callback cb) { |
Jason Monk | a7d92b6 | 2015-05-27 10:20:37 -0400 | [diff] [blame] | 254 | cb.onBluetoothStateChange(mEnabled); |
Jason Monk | 744cf64 | 2015-05-19 12:04:41 -0400 | [diff] [blame] | 255 | } |
John Spurlock | 486b78e | 2014-07-07 08:37:56 -0400 | [diff] [blame] | 256 | } |
John Spurlock | af8d6c4 | 2014-05-07 17:49:08 -0400 | [diff] [blame] | 257 | } |