Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 android.nfc; |
| 18 | |
Mathew Inwood | 1961e1e | 2018-07-31 16:04:15 +0100 | [diff] [blame] | 19 | import android.annotation.UnsupportedAppUsage; |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 20 | import android.app.Activity; |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 21 | import android.app.Application; |
Andres Morales | 56f299b | 2014-10-31 08:26:33 -0700 | [diff] [blame] | 22 | import android.content.ContentProvider; |
Martijn Coenen | 7fe9fa1 | 2014-01-29 17:28:04 -0800 | [diff] [blame] | 23 | import android.content.Intent; |
Nick Pelly | 1d7e906 | 2012-04-03 17:46:00 -0700 | [diff] [blame] | 24 | import android.net.Uri; |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 25 | import android.nfc.NfcAdapter.ReaderCallback; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 26 | import android.os.Binder; |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 27 | import android.os.Bundle; |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 28 | import android.os.RemoteException; |
Andres Morales | 56f299b | 2014-10-31 08:26:33 -0700 | [diff] [blame] | 29 | import android.os.UserHandle; |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 30 | import android.util.Log; |
| 31 | |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 32 | import java.util.ArrayList; |
| 33 | import java.util.LinkedList; |
| 34 | import java.util.List; |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 35 | |
| 36 | /** |
| 37 | * Manages NFC API's that are coupled to the life-cycle of an Activity. |
| 38 | * |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 39 | * <p>Uses {@link Application#registerActivityLifecycleCallbacks} to hook |
| 40 | * into activity life-cycle events such as onPause() and onResume(). |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 41 | * |
| 42 | * @hide |
| 43 | */ |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 44 | public final class NfcActivityManager extends IAppCallback.Stub |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 45 | implements Application.ActivityLifecycleCallbacks { |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 46 | static final String TAG = NfcAdapter.TAG; |
| 47 | static final Boolean DBG = false; |
| 48 | |
Mathew Inwood | 1961e1e | 2018-07-31 16:04:15 +0100 | [diff] [blame] | 49 | @UnsupportedAppUsage |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 50 | final NfcAdapter mAdapter; |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 51 | |
| 52 | // All objects in the lists are protected by this |
| 53 | final List<NfcApplicationState> mApps; // Application(s) that have NFC state. Usually one |
| 54 | final List<NfcActivityState> mActivities; // Activities that have NFC state |
| 55 | |
| 56 | /** |
| 57 | * NFC State associated with an {@link Application}. |
| 58 | */ |
| 59 | class NfcApplicationState { |
| 60 | int refCount = 0; |
| 61 | final Application app; |
| 62 | public NfcApplicationState(Application app) { |
| 63 | this.app = app; |
| 64 | } |
| 65 | public void register() { |
| 66 | refCount++; |
| 67 | if (refCount == 1) { |
| 68 | this.app.registerActivityLifecycleCallbacks(NfcActivityManager.this); |
| 69 | } |
| 70 | } |
| 71 | public void unregister() { |
| 72 | refCount--; |
| 73 | if (refCount == 0) { |
| 74 | this.app.unregisterActivityLifecycleCallbacks(NfcActivityManager.this); |
| 75 | } else if (refCount < 0) { |
| 76 | Log.e(TAG, "-ve refcount for " + app); |
| 77 | } |
| 78 | } |
| 79 | } |
| 80 | |
| 81 | NfcApplicationState findAppState(Application app) { |
| 82 | for (NfcApplicationState appState : mApps) { |
| 83 | if (appState.app == app) { |
| 84 | return appState; |
| 85 | } |
| 86 | } |
| 87 | return null; |
| 88 | } |
| 89 | |
| 90 | void registerApplication(Application app) { |
| 91 | NfcApplicationState appState = findAppState(app); |
| 92 | if (appState == null) { |
| 93 | appState = new NfcApplicationState(app); |
| 94 | mApps.add(appState); |
| 95 | } |
| 96 | appState.register(); |
| 97 | } |
| 98 | |
| 99 | void unregisterApplication(Application app) { |
| 100 | NfcApplicationState appState = findAppState(app); |
| 101 | if (appState == null) { |
| 102 | Log.e(TAG, "app was not registered " + app); |
| 103 | return; |
| 104 | } |
| 105 | appState.unregister(); |
| 106 | } |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 107 | |
| 108 | /** |
| 109 | * NFC state associated with an {@link Activity} |
| 110 | */ |
| 111 | class NfcActivityState { |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 112 | boolean resumed = false; |
| 113 | Activity activity; |
| 114 | NdefMessage ndefMessage = null; // static NDEF message |
| 115 | NfcAdapter.CreateNdefMessageCallback ndefMessageCallback = null; |
| 116 | NfcAdapter.OnNdefPushCompleteCallback onNdefPushCompleteCallback = null; |
Martijn Coenen | 20e8dd9 | 2012-04-12 16:37:18 -0700 | [diff] [blame] | 117 | NfcAdapter.CreateBeamUrisCallback uriCallback = null; |
| 118 | Uri[] uris = null; |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 119 | int flags = 0; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 120 | int readerModeFlags = 0; |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 121 | NfcAdapter.ReaderCallback readerCallback = null; |
| 122 | Bundle readerModeExtras = null; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 123 | Binder token; |
| 124 | |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 125 | public NfcActivityState(Activity activity) { |
| 126 | if (activity.getWindow().isDestroyed()) { |
| 127 | throw new IllegalStateException("activity is already destroyed"); |
| 128 | } |
Martijn Coenen | 20fe537 | 2012-04-05 10:50:05 -0700 | [diff] [blame] | 129 | // Check if activity is resumed right now, as we will not |
| 130 | // immediately get a callback for that. |
| 131 | resumed = activity.isResumed(); |
| 132 | |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 133 | this.activity = activity; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 134 | this.token = new Binder(); |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 135 | registerApplication(activity.getApplication()); |
| 136 | } |
| 137 | public void destroy() { |
| 138 | unregisterApplication(activity.getApplication()); |
| 139 | resumed = false; |
| 140 | activity = null; |
| 141 | ndefMessage = null; |
| 142 | ndefMessageCallback = null; |
| 143 | onNdefPushCompleteCallback = null; |
Martijn Coenen | 20e8dd9 | 2012-04-12 16:37:18 -0700 | [diff] [blame] | 144 | uriCallback = null; |
| 145 | uris = null; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 146 | readerModeFlags = 0; |
| 147 | token = null; |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 148 | } |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 149 | @Override |
| 150 | public String toString() { |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 151 | StringBuilder s = new StringBuilder("[").append(" "); |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 152 | s.append(ndefMessage).append(" ").append(ndefMessageCallback).append(" "); |
Martijn Coenen | 20e8dd9 | 2012-04-12 16:37:18 -0700 | [diff] [blame] | 153 | s.append(uriCallback).append(" "); |
| 154 | if (uris != null) { |
| 155 | for (Uri uri : uris) { |
| 156 | s.append(onNdefPushCompleteCallback).append(" ").append(uri).append("]"); |
| 157 | } |
| 158 | } |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 159 | return s.toString(); |
| 160 | } |
| 161 | } |
| 162 | |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 163 | /** find activity state from mActivities */ |
| 164 | synchronized NfcActivityState findActivityState(Activity activity) { |
| 165 | for (NfcActivityState state : mActivities) { |
| 166 | if (state.activity == activity) { |
| 167 | return state; |
| 168 | } |
| 169 | } |
| 170 | return null; |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 171 | } |
| 172 | |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 173 | /** find or create activity state from mActivities */ |
| 174 | synchronized NfcActivityState getActivityState(Activity activity) { |
| 175 | NfcActivityState state = findActivityState(activity); |
| 176 | if (state == null) { |
| 177 | state = new NfcActivityState(activity); |
| 178 | mActivities.add(state); |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 179 | } |
| 180 | return state; |
| 181 | } |
| 182 | |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 183 | synchronized NfcActivityState findResumedActivityState() { |
| 184 | for (NfcActivityState state : mActivities) { |
| 185 | if (state.resumed) { |
| 186 | return state; |
| 187 | } |
| 188 | } |
| 189 | return null; |
| 190 | } |
| 191 | |
| 192 | synchronized void destroyActivityState(Activity activity) { |
| 193 | NfcActivityState activityState = findActivityState(activity); |
| 194 | if (activityState != null) { |
| 195 | activityState.destroy(); |
| 196 | mActivities.remove(activityState); |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | public NfcActivityManager(NfcAdapter adapter) { |
| 201 | mAdapter = adapter; |
| 202 | mActivities = new LinkedList<NfcActivityState>(); |
| 203 | mApps = new ArrayList<NfcApplicationState>(1); // Android VM usually has 1 app |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 204 | } |
| 205 | |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 206 | public void enableReaderMode(Activity activity, ReaderCallback callback, int flags, |
| 207 | Bundle extras) { |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 208 | boolean isResumed; |
| 209 | Binder token; |
| 210 | synchronized (NfcActivityManager.this) { |
| 211 | NfcActivityState state = getActivityState(activity); |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 212 | state.readerCallback = callback; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 213 | state.readerModeFlags = flags; |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 214 | state.readerModeExtras = extras; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 215 | token = state.token; |
| 216 | isResumed = state.resumed; |
| 217 | } |
| 218 | if (isResumed) { |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 219 | setReaderMode(token, flags, extras); |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 220 | } |
| 221 | } |
| 222 | |
| 223 | public void disableReaderMode(Activity activity) { |
| 224 | boolean isResumed; |
| 225 | Binder token; |
| 226 | synchronized (NfcActivityManager.this) { |
| 227 | NfcActivityState state = getActivityState(activity); |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 228 | state.readerCallback = null; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 229 | state.readerModeFlags = 0; |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 230 | state.readerModeExtras = null; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 231 | token = state.token; |
| 232 | isResumed = state.resumed; |
| 233 | } |
| 234 | if (isResumed) { |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 235 | setReaderMode(token, 0, null); |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 236 | } |
| 237 | |
| 238 | } |
| 239 | |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 240 | public void setReaderMode(Binder token, int flags, Bundle extras) { |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 241 | if (DBG) Log.d(TAG, "Setting reader mode"); |
| 242 | try { |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 243 | NfcAdapter.sService.setReaderMode(token, this, flags, extras); |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 244 | } catch (RemoteException e) { |
| 245 | mAdapter.attemptDeadServiceRecovery(e); |
| 246 | } |
| 247 | } |
| 248 | |
Martijn Coenen | 20e8dd9 | 2012-04-12 16:37:18 -0700 | [diff] [blame] | 249 | public void setNdefPushContentUri(Activity activity, Uri[] uris) { |
Nick Pelly | 1d7e906 | 2012-04-03 17:46:00 -0700 | [diff] [blame] | 250 | boolean isResumed; |
| 251 | synchronized (NfcActivityManager.this) { |
| 252 | NfcActivityState state = getActivityState(activity); |
Martijn Coenen | 20e8dd9 | 2012-04-12 16:37:18 -0700 | [diff] [blame] | 253 | state.uris = uris; |
| 254 | isResumed = state.resumed; |
| 255 | } |
| 256 | if (isResumed) { |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 257 | // requestNfcServiceCallback() verifies permission also |
Martijn Coenen | 1360c55 | 2013-01-07 16:34:20 -0800 | [diff] [blame] | 258 | requestNfcServiceCallback(); |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 259 | } else { |
| 260 | // Crash API calls early in case NFC permission is missing |
| 261 | verifyNfcPermission(); |
Martijn Coenen | 20e8dd9 | 2012-04-12 16:37:18 -0700 | [diff] [blame] | 262 | } |
| 263 | } |
| 264 | |
| 265 | |
| 266 | public void setNdefPushContentUriCallback(Activity activity, |
| 267 | NfcAdapter.CreateBeamUrisCallback callback) { |
| 268 | boolean isResumed; |
| 269 | synchronized (NfcActivityManager.this) { |
| 270 | NfcActivityState state = getActivityState(activity); |
| 271 | state.uriCallback = callback; |
Nick Pelly | 1d7e906 | 2012-04-03 17:46:00 -0700 | [diff] [blame] | 272 | isResumed = state.resumed; |
| 273 | } |
| 274 | if (isResumed) { |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 275 | // requestNfcServiceCallback() verifies permission also |
Martijn Coenen | 1360c55 | 2013-01-07 16:34:20 -0800 | [diff] [blame] | 276 | requestNfcServiceCallback(); |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 277 | } else { |
| 278 | // Crash API calls early in case NFC permission is missing |
| 279 | verifyNfcPermission(); |
Nick Pelly | 1d7e906 | 2012-04-03 17:46:00 -0700 | [diff] [blame] | 280 | } |
| 281 | } |
| 282 | |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 283 | public void setNdefPushMessage(Activity activity, NdefMessage message, int flags) { |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 284 | boolean isResumed; |
| 285 | synchronized (NfcActivityManager.this) { |
| 286 | NfcActivityState state = getActivityState(activity); |
| 287 | state.ndefMessage = message; |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 288 | state.flags = flags; |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 289 | isResumed = state.resumed; |
| 290 | } |
| 291 | if (isResumed) { |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 292 | // requestNfcServiceCallback() verifies permission also |
Martijn Coenen | 1360c55 | 2013-01-07 16:34:20 -0800 | [diff] [blame] | 293 | requestNfcServiceCallback(); |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 294 | } else { |
| 295 | // Crash API calls early in case NFC permission is missing |
| 296 | verifyNfcPermission(); |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 297 | } |
| 298 | } |
| 299 | |
| 300 | public void setNdefPushMessageCallback(Activity activity, |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 301 | NfcAdapter.CreateNdefMessageCallback callback, int flags) { |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 302 | boolean isResumed; |
| 303 | synchronized (NfcActivityManager.this) { |
| 304 | NfcActivityState state = getActivityState(activity); |
| 305 | state.ndefMessageCallback = callback; |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 306 | state.flags = flags; |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 307 | isResumed = state.resumed; |
| 308 | } |
| 309 | if (isResumed) { |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 310 | // requestNfcServiceCallback() verifies permission also |
Martijn Coenen | 1360c55 | 2013-01-07 16:34:20 -0800 | [diff] [blame] | 311 | requestNfcServiceCallback(); |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 312 | } else { |
| 313 | // Crash API calls early in case NFC permission is missing |
| 314 | verifyNfcPermission(); |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 315 | } |
| 316 | } |
| 317 | |
| 318 | public void setOnNdefPushCompleteCallback(Activity activity, |
| 319 | NfcAdapter.OnNdefPushCompleteCallback callback) { |
| 320 | boolean isResumed; |
| 321 | synchronized (NfcActivityManager.this) { |
| 322 | NfcActivityState state = getActivityState(activity); |
| 323 | state.onNdefPushCompleteCallback = callback; |
| 324 | isResumed = state.resumed; |
| 325 | } |
| 326 | if (isResumed) { |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 327 | // requestNfcServiceCallback() verifies permission also |
Martijn Coenen | 1360c55 | 2013-01-07 16:34:20 -0800 | [diff] [blame] | 328 | requestNfcServiceCallback(); |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 329 | } else { |
| 330 | // Crash API calls early in case NFC permission is missing |
| 331 | verifyNfcPermission(); |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 332 | } |
| 333 | } |
| 334 | |
| 335 | /** |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 336 | * Request or unrequest NFC service callbacks. |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 337 | * Makes IPC call - do not hold lock. |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 338 | */ |
Martijn Coenen | 1360c55 | 2013-01-07 16:34:20 -0800 | [diff] [blame] | 339 | void requestNfcServiceCallback() { |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 340 | try { |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 341 | NfcAdapter.sService.setAppCallback(this); |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 342 | } catch (RemoteException e) { |
| 343 | mAdapter.attemptDeadServiceRecovery(e); |
| 344 | } |
| 345 | } |
| 346 | |
Martijn Coenen | d8bcfba | 2014-11-13 15:00:56 -0800 | [diff] [blame] | 347 | void verifyNfcPermission() { |
| 348 | try { |
| 349 | NfcAdapter.sService.verifyNfcPermission(); |
| 350 | } catch (RemoteException e) { |
| 351 | mAdapter.attemptDeadServiceRecovery(e); |
| 352 | } |
| 353 | } |
| 354 | |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 355 | /** Callback from NFC service, usually on binder thread */ |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 356 | @Override |
Martijn Coenen | fd70bb1 | 2015-04-14 11:38:21 +0200 | [diff] [blame] | 357 | public BeamShareData createBeamShareData(byte peerLlcpVersion) { |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 358 | NfcAdapter.CreateNdefMessageCallback ndefCallback; |
| 359 | NfcAdapter.CreateBeamUrisCallback urisCallback; |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 360 | NdefMessage message; |
Martijn Coenen | 7fe9fa1 | 2014-01-29 17:28:04 -0800 | [diff] [blame] | 361 | Activity activity; |
Martijn Coenen | 20e8dd9 | 2012-04-12 16:37:18 -0700 | [diff] [blame] | 362 | Uri[] uris; |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 363 | int flags; |
Martijn Coenen | fd70bb1 | 2015-04-14 11:38:21 +0200 | [diff] [blame] | 364 | NfcEvent event = new NfcEvent(mAdapter, peerLlcpVersion); |
Nick Pelly | 1d7e906 | 2012-04-03 17:46:00 -0700 | [diff] [blame] | 365 | synchronized (NfcActivityManager.this) { |
| 366 | NfcActivityState state = findResumedActivityState(); |
| 367 | if (state == null) return null; |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 368 | |
| 369 | ndefCallback = state.ndefMessageCallback; |
| 370 | urisCallback = state.uriCallback; |
| 371 | message = state.ndefMessage; |
Martijn Coenen | 20e8dd9 | 2012-04-12 16:37:18 -0700 | [diff] [blame] | 372 | uris = state.uris; |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 373 | flags = state.flags; |
Martijn Coenen | 7fe9fa1 | 2014-01-29 17:28:04 -0800 | [diff] [blame] | 374 | activity = state.activity; |
Martijn Coenen | 20e8dd9 | 2012-04-12 16:37:18 -0700 | [diff] [blame] | 375 | } |
Martijn Coenen | 24584f0 | 2015-12-21 11:29:45 +0100 | [diff] [blame] | 376 | final long ident = Binder.clearCallingIdentity(); |
| 377 | try { |
| 378 | // Make callbacks without lock |
| 379 | if (ndefCallback != null) { |
| 380 | message = ndefCallback.createNdefMessage(event); |
| 381 | } |
| 382 | if (urisCallback != null) { |
| 383 | uris = urisCallback.createBeamUris(event); |
| 384 | if (uris != null) { |
| 385 | ArrayList<Uri> validUris = new ArrayList<Uri>(); |
| 386 | for (Uri uri : uris) { |
| 387 | if (uri == null) { |
| 388 | Log.e(TAG, "Uri not allowed to be null."); |
| 389 | continue; |
| 390 | } |
| 391 | String scheme = uri.getScheme(); |
| 392 | if (scheme == null || (!scheme.equalsIgnoreCase("file") && |
| 393 | !scheme.equalsIgnoreCase("content"))) { |
| 394 | Log.e(TAG, "Uri needs to have " + |
| 395 | "either scheme file or scheme content"); |
| 396 | continue; |
| 397 | } |
Jeff Sharkey | ad357d1 | 2018-02-02 13:25:31 -0700 | [diff] [blame] | 398 | uri = ContentProvider.maybeAddUserId(uri, activity.getUserId()); |
Martijn Coenen | 24584f0 | 2015-12-21 11:29:45 +0100 | [diff] [blame] | 399 | validUris.add(uri); |
| 400 | } |
Martijn Coenen | 1fa2aff | 2013-02-27 09:21:22 -0800 | [diff] [blame] | 401 | |
Martijn Coenen | 24584f0 | 2015-12-21 11:29:45 +0100 | [diff] [blame] | 402 | uris = validUris.toArray(new Uri[validUris.size()]); |
Martijn Coenen | 2c10311 | 2012-05-15 10:32:15 -0700 | [diff] [blame] | 403 | } |
| 404 | } |
Martijn Coenen | 24584f0 | 2015-12-21 11:29:45 +0100 | [diff] [blame] | 405 | if (uris != null && uris.length > 0) { |
| 406 | for (Uri uri : uris) { |
| 407 | // Grant the NFC process permission to read these URIs |
| 408 | activity.grantUriPermission("com.android.nfc", uri, |
| 409 | Intent.FLAG_GRANT_READ_URI_PERMISSION); |
| 410 | } |
Martijn Coenen | 7fe9fa1 | 2014-01-29 17:28:04 -0800 | [diff] [blame] | 411 | } |
Martijn Coenen | 24584f0 | 2015-12-21 11:29:45 +0100 | [diff] [blame] | 412 | } finally { |
| 413 | Binder.restoreCallingIdentity(ident); |
Martijn Coenen | 7fe9fa1 | 2014-01-29 17:28:04 -0800 | [diff] [blame] | 414 | } |
Jeff Sharkey | ad357d1 | 2018-02-02 13:25:31 -0700 | [diff] [blame] | 415 | return new BeamShareData(message, uris, activity.getUser(), flags); |
Nick Pelly | 1d7e906 | 2012-04-03 17:46:00 -0700 | [diff] [blame] | 416 | } |
Nick Pelly | 1d7e906 | 2012-04-03 17:46:00 -0700 | [diff] [blame] | 417 | |
Nick Pelly | 1d7e906 | 2012-04-03 17:46:00 -0700 | [diff] [blame] | 418 | /** Callback from NFC service, usually on binder thread */ |
| 419 | @Override |
Martijn Coenen | fd70bb1 | 2015-04-14 11:38:21 +0200 | [diff] [blame] | 420 | public void onNdefPushComplete(byte peerLlcpVersion) { |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 421 | NfcAdapter.OnNdefPushCompleteCallback callback; |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 422 | synchronized (NfcActivityManager.this) { |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 423 | NfcActivityState state = findResumedActivityState(); |
| 424 | if (state == null) return; |
| 425 | |
| 426 | callback = state.onNdefPushCompleteCallback; |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 427 | } |
Martijn Coenen | fd70bb1 | 2015-04-14 11:38:21 +0200 | [diff] [blame] | 428 | NfcEvent event = new NfcEvent(mAdapter, peerLlcpVersion); |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 429 | // Make callback without lock |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 430 | if (callback != null) { |
Martijn Coenen | fd70bb1 | 2015-04-14 11:38:21 +0200 | [diff] [blame] | 431 | callback.onNdefPushComplete(event); |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 432 | } |
| 433 | } |
Martijn Coenen | 3433a8a | 2011-09-01 19:18:02 -0700 | [diff] [blame] | 434 | |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 435 | @Override |
| 436 | public void onTagDiscovered(Tag tag) throws RemoteException { |
| 437 | NfcAdapter.ReaderCallback callback; |
| 438 | synchronized (NfcActivityManager.this) { |
| 439 | NfcActivityState state = findResumedActivityState(); |
| 440 | if (state == null) return; |
| 441 | |
| 442 | callback = state.readerCallback; |
| 443 | } |
| 444 | |
| 445 | // Make callback without lock |
| 446 | if (callback != null) { |
| 447 | callback.onTagDiscovered(tag); |
| 448 | } |
| 449 | |
| 450 | } |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 451 | /** Callback from Activity life-cycle, on main thread */ |
| 452 | @Override |
| 453 | public void onActivityCreated(Activity activity, Bundle savedInstanceState) { /* NO-OP */ } |
| 454 | |
| 455 | /** Callback from Activity life-cycle, on main thread */ |
| 456 | @Override |
| 457 | public void onActivityStarted(Activity activity) { /* NO-OP */ } |
| 458 | |
| 459 | /** Callback from Activity life-cycle, on main thread */ |
| 460 | @Override |
| 461 | public void onActivityResumed(Activity activity) { |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 462 | int readerModeFlags = 0; |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 463 | Bundle readerModeExtras = null; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 464 | Binder token; |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 465 | synchronized (NfcActivityManager.this) { |
| 466 | NfcActivityState state = findActivityState(activity); |
| 467 | if (DBG) Log.d(TAG, "onResume() for " + activity + " " + state); |
| 468 | if (state == null) return; |
| 469 | state.resumed = true; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 470 | token = state.token; |
| 471 | readerModeFlags = state.readerModeFlags; |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 472 | readerModeExtras = state.readerModeExtras; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 473 | } |
| 474 | if (readerModeFlags != 0) { |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 475 | setReaderMode(token, readerModeFlags, readerModeExtras); |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 476 | } |
Martijn Coenen | 1360c55 | 2013-01-07 16:34:20 -0800 | [diff] [blame] | 477 | requestNfcServiceCallback(); |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | /** Callback from Activity life-cycle, on main thread */ |
| 481 | @Override |
| 482 | public void onActivityPaused(Activity activity) { |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 483 | boolean readerModeFlagsSet; |
| 484 | Binder token; |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 485 | synchronized (NfcActivityManager.this) { |
| 486 | NfcActivityState state = findActivityState(activity); |
| 487 | if (DBG) Log.d(TAG, "onPause() for " + activity + " " + state); |
| 488 | if (state == null) return; |
| 489 | state.resumed = false; |
Martijn Coenen | c20ed2f | 2013-08-27 14:32:53 -0700 | [diff] [blame] | 490 | token = state.token; |
| 491 | readerModeFlagsSet = state.readerModeFlags != 0; |
| 492 | } |
| 493 | if (readerModeFlagsSet) { |
| 494 | // Restore default p2p modes |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 495 | setReaderMode(token, 0, null); |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 496 | } |
Nick Pelly | 8ce7a27 | 2012-03-21 15:14:09 -0700 | [diff] [blame] | 497 | } |
| 498 | |
| 499 | /** Callback from Activity life-cycle, on main thread */ |
| 500 | @Override |
| 501 | public void onActivityStopped(Activity activity) { /* NO-OP */ } |
| 502 | |
| 503 | /** Callback from Activity life-cycle, on main thread */ |
| 504 | @Override |
| 505 | public void onActivitySaveInstanceState(Activity activity, Bundle outState) { /* NO-OP */ } |
| 506 | |
| 507 | /** Callback from Activity life-cycle, on main thread */ |
| 508 | @Override |
| 509 | public void onActivityDestroyed(Activity activity) { |
| 510 | synchronized (NfcActivityManager.this) { |
| 511 | NfcActivityState state = findActivityState(activity); |
| 512 | if (DBG) Log.d(TAG, "onDestroy() for " + activity + " " + state); |
| 513 | if (state != null) { |
| 514 | // release all associated references |
| 515 | destroyActivityState(activity); |
| 516 | } |
| 517 | } |
| 518 | } |
Martijn Coenen | 5b1e032 | 2013-09-02 20:38:47 -0700 | [diff] [blame] | 519 | |
Nick Pelly | c84c89a | 2011-08-22 22:27:11 -0700 | [diff] [blame] | 520 | } |