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