Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -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 com.android.server; |
| 18 | |
| 19 | import android.app.AlarmManager; |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 20 | import android.app.AppGlobals; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 21 | import android.app.PendingIntent; |
| 22 | import android.appwidget.AppWidgetManager; |
| 23 | import android.appwidget.AppWidgetProviderInfo; |
| 24 | import android.content.ComponentName; |
| 25 | import android.content.Context; |
| 26 | import android.content.Intent; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 27 | import android.content.Intent.FilterComparison; |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 28 | import android.content.ServiceConnection; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 29 | import android.content.pm.ActivityInfo; |
| 30 | import android.content.pm.ApplicationInfo; |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 31 | import android.content.pm.IPackageManager; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 32 | import android.content.pm.PackageInfo; |
| 33 | import android.content.pm.PackageManager; |
| 34 | import android.content.pm.ResolveInfo; |
| 35 | import android.content.pm.ServiceInfo; |
| 36 | import android.content.res.Resources; |
| 37 | import android.content.res.TypedArray; |
| 38 | import android.content.res.XmlResourceParser; |
Jeff Brown | a8b9def | 2012-07-23 14:22:49 -0700 | [diff] [blame] | 39 | import android.graphics.Point; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 40 | import android.net.Uri; |
| 41 | import android.os.Binder; |
| 42 | import android.os.Bundle; |
Amith Yamasani | 61f5737 | 2012-08-31 12:12:28 -0700 | [diff] [blame] | 43 | import android.os.Environment; |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 44 | import android.os.Handler; |
| 45 | import android.os.HandlerThread; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 46 | import android.os.IBinder; |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 47 | import android.os.Looper; |
Jim Miller | f229e4d | 2012-09-12 20:32:50 -0700 | [diff] [blame] | 48 | import android.os.Process; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 49 | import android.os.RemoteException; |
| 50 | import android.os.SystemClock; |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 51 | import android.os.UserHandle; |
Dianne Hackborn | 39606a0 | 2012-07-31 17:54:35 -0700 | [diff] [blame] | 52 | import android.util.AtomicFile; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 53 | import android.util.AttributeSet; |
| 54 | import android.util.Log; |
| 55 | import android.util.Pair; |
| 56 | import android.util.Slog; |
| 57 | import android.util.TypedValue; |
| 58 | import android.util.Xml; |
Jeff Brown | a8b9def | 2012-07-23 14:22:49 -0700 | [diff] [blame] | 59 | import android.view.Display; |
Adam Cohen | 311c79c | 2012-05-10 14:44:38 -0700 | [diff] [blame] | 60 | import android.view.WindowManager; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 61 | import android.widget.RemoteViews; |
| 62 | |
| 63 | import com.android.internal.appwidget.IAppWidgetHost; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 64 | import com.android.internal.util.FastXmlSerializer; |
| 65 | import com.android.internal.widget.IRemoteViewsAdapterConnection; |
| 66 | import com.android.internal.widget.IRemoteViewsFactory; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 67 | |
| 68 | import org.xmlpull.v1.XmlPullParser; |
| 69 | import org.xmlpull.v1.XmlPullParserException; |
| 70 | import org.xmlpull.v1.XmlSerializer; |
| 71 | |
| 72 | import java.io.File; |
| 73 | import java.io.FileDescriptor; |
| 74 | import java.io.FileInputStream; |
| 75 | import java.io.FileNotFoundException; |
| 76 | import java.io.FileOutputStream; |
| 77 | import java.io.IOException; |
| 78 | import java.io.PrintWriter; |
| 79 | import java.util.ArrayList; |
| 80 | import java.util.HashMap; |
| 81 | import java.util.HashSet; |
| 82 | import java.util.Iterator; |
| 83 | import java.util.List; |
| 84 | import java.util.Locale; |
| 85 | import java.util.Set; |
| 86 | |
| 87 | class AppWidgetServiceImpl { |
| 88 | |
Jim Miller | 39d129e | 2013-03-07 16:28:24 -0800 | [diff] [blame] | 89 | private static final String KEYGUARD_HOST_PACKAGE = "com.android.keyguard"; |
| 90 | private static final int KEYGUARD_HOST_ID = 0x4b455947; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 91 | private static final String TAG = "AppWidgetServiceImpl"; |
| 92 | private static final String SETTINGS_FILENAME = "appwidgets.xml"; |
| 93 | private static final int MIN_UPDATE_PERIOD = 30 * 60 * 1000; // 30 minutes |
Jim Miller | 39d129e | 2013-03-07 16:28:24 -0800 | [diff] [blame] | 94 | private static final int CURRENT_VERSION = 1; // Bump if the stored widgets need to be upgraded. |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 95 | |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 96 | private static boolean DBG = false; |
| 97 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 98 | /* |
| 99 | * When identifying a Host or Provider based on the calling process, use the uid field. When |
| 100 | * identifying a Host or Provider based on a package manager broadcast, use the package given. |
| 101 | */ |
| 102 | |
| 103 | static class Provider { |
| 104 | int uid; |
| 105 | AppWidgetProviderInfo info; |
| 106 | ArrayList<AppWidgetId> instances = new ArrayList<AppWidgetId>(); |
| 107 | PendingIntent broadcast; |
| 108 | boolean zombie; // if we're in safe mode, don't prune this just because nobody references it |
| 109 | |
| 110 | int tag; // for use while saving state (the index) |
| 111 | } |
| 112 | |
| 113 | static class Host { |
| 114 | int uid; |
| 115 | int hostId; |
| 116 | String packageName; |
| 117 | ArrayList<AppWidgetId> instances = new ArrayList<AppWidgetId>(); |
| 118 | IAppWidgetHost callbacks; |
| 119 | boolean zombie; // if we're in safe mode, don't prune this just because nobody references it |
| 120 | |
| 121 | int tag; // for use while saving state (the index) |
Amith Yamasani | c566b43 | 2012-11-30 15:26:21 -0800 | [diff] [blame] | 122 | |
| 123 | boolean uidMatches(int callingUid) { |
| 124 | if (UserHandle.getAppId(callingUid) == Process.myUid()) { |
| 125 | // For a host that's in the system process, ignore the user id |
| 126 | return UserHandle.isSameApp(this.uid, callingUid); |
| 127 | } else { |
| 128 | return this.uid == callingUid; |
| 129 | } |
| 130 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 131 | } |
| 132 | |
| 133 | static class AppWidgetId { |
| 134 | int appWidgetId; |
| 135 | Provider provider; |
| 136 | RemoteViews views; |
Adam Cohen | d2097eb | 2012-05-01 18:10:28 -0700 | [diff] [blame] | 137 | Bundle options; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 138 | Host host; |
| 139 | } |
| 140 | |
| 141 | /** |
| 142 | * Acts as a proxy between the ServiceConnection and the RemoteViewsAdapterConnection. This |
| 143 | * needs to be a static inner class since a reference to the ServiceConnection is held globally |
| 144 | * and may lead us to leak AppWidgetService instances (if there were more than one). |
| 145 | */ |
| 146 | static class ServiceConnectionProxy implements ServiceConnection { |
| 147 | private final IBinder mConnectionCb; |
| 148 | |
| 149 | ServiceConnectionProxy(Pair<Integer, Intent.FilterComparison> key, IBinder connectionCb) { |
| 150 | mConnectionCb = connectionCb; |
| 151 | } |
| 152 | |
| 153 | public void onServiceConnected(ComponentName name, IBinder service) { |
| 154 | final IRemoteViewsAdapterConnection cb = IRemoteViewsAdapterConnection.Stub |
| 155 | .asInterface(mConnectionCb); |
| 156 | try { |
| 157 | cb.onServiceConnected(service); |
| 158 | } catch (Exception e) { |
| 159 | e.printStackTrace(); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | public void onServiceDisconnected(ComponentName name) { |
| 164 | disconnect(); |
| 165 | } |
| 166 | |
| 167 | public void disconnect() { |
| 168 | final IRemoteViewsAdapterConnection cb = IRemoteViewsAdapterConnection.Stub |
| 169 | .asInterface(mConnectionCb); |
| 170 | try { |
| 171 | cb.onServiceDisconnected(); |
| 172 | } catch (Exception e) { |
| 173 | e.printStackTrace(); |
| 174 | } |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | // Manages active connections to RemoteViewsServices |
| 179 | private final HashMap<Pair<Integer, FilterComparison>, ServiceConnection> mBoundRemoteViewsServices = new HashMap<Pair<Integer, FilterComparison>, ServiceConnection>(); |
| 180 | // Manages persistent references to RemoteViewsServices from different App Widgets |
| 181 | private final HashMap<FilterComparison, HashSet<Integer>> mRemoteViewsServicesAppWidgets = new HashMap<FilterComparison, HashSet<Integer>>(); |
| 182 | |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 183 | final Context mContext; |
| 184 | final IPackageManager mPm; |
| 185 | final AlarmManager mAlarmManager; |
| 186 | final ArrayList<Provider> mInstalledProviders = new ArrayList<Provider>(); |
| 187 | final int mUserId; |
| 188 | final boolean mHasFeature; |
| 189 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 190 | Locale mLocale; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 191 | int mNextAppWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID + 1; |
| 192 | final ArrayList<AppWidgetId> mAppWidgetIds = new ArrayList<AppWidgetId>(); |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 193 | final ArrayList<Host> mHosts = new ArrayList<Host>(); |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 194 | // set of package names |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 195 | final HashSet<String> mPackagesWithBindWidgetPermission = new HashSet<String>(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 196 | boolean mSafeMode; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 197 | boolean mStateLoaded; |
Adam Cohen | 311c79c | 2012-05-10 14:44:38 -0700 | [diff] [blame] | 198 | int mMaxWidgetBitmapMemory; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 199 | |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 200 | private final Handler mSaveStateHandler; |
| 201 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 202 | // These are for debugging only -- widgets are going missing in some rare instances |
| 203 | ArrayList<Provider> mDeletedProviders = new ArrayList<Provider>(); |
| 204 | ArrayList<Host> mDeletedHosts = new ArrayList<Host>(); |
| 205 | |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 206 | AppWidgetServiceImpl(Context context, int userId, Handler saveStateHandler) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 207 | mContext = context; |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 208 | mPm = AppGlobals.getPackageManager(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 209 | mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE); |
| 210 | mUserId = userId; |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 211 | mSaveStateHandler = saveStateHandler; |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 212 | mHasFeature = context.getPackageManager().hasSystemFeature( |
| 213 | PackageManager.FEATURE_APP_WIDGETS); |
Adam Cohen | 311c79c | 2012-05-10 14:44:38 -0700 | [diff] [blame] | 214 | computeMaximumWidgetBitmapMemory(); |
| 215 | } |
| 216 | |
| 217 | void computeMaximumWidgetBitmapMemory() { |
| 218 | WindowManager wm = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE); |
Jeff Brown | a8b9def | 2012-07-23 14:22:49 -0700 | [diff] [blame] | 219 | Display display = wm.getDefaultDisplay(); |
| 220 | Point size = new Point(); |
| 221 | display.getRealSize(size); |
Winson Chung | e92aad4 | 2012-06-22 14:11:47 -0700 | [diff] [blame] | 222 | // Cap memory usage at 1.5 times the size of the display |
| 223 | // 1.5 * 4 bytes/pixel * w * h ==> 6 * w * h |
Jeff Brown | a8b9def | 2012-07-23 14:22:49 -0700 | [diff] [blame] | 224 | mMaxWidgetBitmapMemory = 6 * size.x * size.y; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 225 | } |
| 226 | |
| 227 | public void systemReady(boolean safeMode) { |
| 228 | mSafeMode = safeMode; |
| 229 | |
| 230 | synchronized (mAppWidgetIds) { |
| 231 | ensureStateLoadedLocked(); |
| 232 | } |
| 233 | } |
| 234 | |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 235 | private void log(String msg) { |
| 236 | Slog.i(TAG, "u=" + mUserId + ": " + msg); |
| 237 | } |
| 238 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 239 | void onConfigurationChanged() { |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 240 | if (DBG) log("Got onConfigurationChanged()"); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 241 | Locale revised = Locale.getDefault(); |
| 242 | if (revised == null || mLocale == null || !(revised.equals(mLocale))) { |
| 243 | mLocale = revised; |
| 244 | |
| 245 | synchronized (mAppWidgetIds) { |
| 246 | ensureStateLoadedLocked(); |
Winson Chung | a319505 | 2012-06-25 10:02:10 -0700 | [diff] [blame] | 247 | // Note: updateProvidersForPackageLocked() may remove providers, so we must copy the |
| 248 | // list of installed providers and skip providers that we don't need to update. |
| 249 | // Also note that remove the provider does not clear the Provider component data. |
| 250 | ArrayList<Provider> installedProviders = |
| 251 | new ArrayList<Provider>(mInstalledProviders); |
| 252 | HashSet<ComponentName> removedProviders = new HashSet<ComponentName>(); |
| 253 | int N = installedProviders.size(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 254 | for (int i = N - 1; i >= 0; i--) { |
Winson Chung | a319505 | 2012-06-25 10:02:10 -0700 | [diff] [blame] | 255 | Provider p = installedProviders.get(i); |
| 256 | ComponentName cn = p.info.provider; |
| 257 | if (!removedProviders.contains(cn)) { |
| 258 | updateProvidersForPackageLocked(cn.getPackageName(), removedProviders); |
| 259 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 260 | } |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 261 | saveStateAsync(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 262 | } |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | void onBroadcastReceived(Intent intent) { |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 267 | if (DBG) log("onBroadcast " + intent); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 268 | final String action = intent.getAction(); |
| 269 | boolean added = false; |
| 270 | boolean changed = false; |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 271 | boolean providersModified = false; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 272 | String pkgList[] = null; |
| 273 | if (Intent.ACTION_EXTERNAL_APPLICATIONS_AVAILABLE.equals(action)) { |
| 274 | pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); |
| 275 | added = true; |
| 276 | } else if (Intent.ACTION_EXTERNAL_APPLICATIONS_UNAVAILABLE.equals(action)) { |
| 277 | pkgList = intent.getStringArrayExtra(Intent.EXTRA_CHANGED_PACKAGE_LIST); |
| 278 | added = false; |
| 279 | } else { |
| 280 | Uri uri = intent.getData(); |
| 281 | if (uri == null) { |
| 282 | return; |
| 283 | } |
| 284 | String pkgName = uri.getSchemeSpecificPart(); |
| 285 | if (pkgName == null) { |
| 286 | return; |
| 287 | } |
| 288 | pkgList = new String[] { pkgName }; |
| 289 | added = Intent.ACTION_PACKAGE_ADDED.equals(action); |
| 290 | changed = Intent.ACTION_PACKAGE_CHANGED.equals(action); |
| 291 | } |
| 292 | if (pkgList == null || pkgList.length == 0) { |
| 293 | return; |
| 294 | } |
| 295 | if (added || changed) { |
| 296 | synchronized (mAppWidgetIds) { |
| 297 | ensureStateLoadedLocked(); |
| 298 | Bundle extras = intent.getExtras(); |
| 299 | if (changed |
| 300 | || (extras != null && extras.getBoolean(Intent.EXTRA_REPLACING, false))) { |
| 301 | for (String pkgName : pkgList) { |
| 302 | // The package was just upgraded |
Winson Chung | a319505 | 2012-06-25 10:02:10 -0700 | [diff] [blame] | 303 | providersModified |= updateProvidersForPackageLocked(pkgName, null); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 304 | } |
| 305 | } else { |
| 306 | // The package was just added |
| 307 | for (String pkgName : pkgList) { |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 308 | providersModified |= addProvidersForPackageLocked(pkgName); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 309 | } |
| 310 | } |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 311 | saveStateAsync(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 312 | } |
| 313 | } else { |
| 314 | Bundle extras = intent.getExtras(); |
| 315 | if (extras != null && extras.getBoolean(Intent.EXTRA_REPLACING, false)) { |
| 316 | // The package is being updated. We'll receive a PACKAGE_ADDED shortly. |
| 317 | } else { |
| 318 | synchronized (mAppWidgetIds) { |
| 319 | ensureStateLoadedLocked(); |
| 320 | for (String pkgName : pkgList) { |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 321 | providersModified |= removeProvidersForPackageLocked(pkgName); |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 322 | saveStateAsync(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 323 | } |
| 324 | } |
| 325 | } |
| 326 | } |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 327 | |
| 328 | if (providersModified) { |
| 329 | // If the set of providers has been modified, notify each active AppWidgetHost |
| 330 | synchronized (mAppWidgetIds) { |
| 331 | ensureStateLoadedLocked(); |
| 332 | notifyHostsForProvidersChangedLocked(); |
| 333 | } |
| 334 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 335 | } |
| 336 | |
| 337 | private void dumpProvider(Provider p, int index, PrintWriter pw) { |
| 338 | AppWidgetProviderInfo info = p.info; |
| 339 | pw.print(" ["); pw.print(index); pw.print("] provider "); |
| 340 | pw.print(info.provider.flattenToShortString()); |
| 341 | pw.println(':'); |
| 342 | pw.print(" min=("); pw.print(info.minWidth); |
| 343 | pw.print("x"); pw.print(info.minHeight); |
| 344 | pw.print(") minResize=("); pw.print(info.minResizeWidth); |
| 345 | pw.print("x"); pw.print(info.minResizeHeight); |
| 346 | pw.print(") updatePeriodMillis="); |
| 347 | pw.print(info.updatePeriodMillis); |
| 348 | pw.print(" resizeMode="); |
| 349 | pw.print(info.resizeMode); |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 350 | pw.print(info.widgetCategory); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 351 | pw.print(" autoAdvanceViewId="); |
| 352 | pw.print(info.autoAdvanceViewId); |
| 353 | pw.print(" initialLayout=#"); |
| 354 | pw.print(Integer.toHexString(info.initialLayout)); |
Amith Yamasani | 791f877 | 2012-11-21 14:06:07 -0800 | [diff] [blame] | 355 | pw.print(" uid="); pw.print(p.uid); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 356 | pw.print(" zombie="); pw.println(p.zombie); |
| 357 | } |
| 358 | |
| 359 | private void dumpHost(Host host, int index, PrintWriter pw) { |
| 360 | pw.print(" ["); pw.print(index); pw.print("] hostId="); |
| 361 | pw.print(host.hostId); pw.print(' '); |
| 362 | pw.print(host.packageName); pw.print('/'); |
| 363 | pw.print(host.uid); pw.println(':'); |
| 364 | pw.print(" callbacks="); pw.println(host.callbacks); |
| 365 | pw.print(" instances.size="); pw.print(host.instances.size()); |
| 366 | pw.print(" zombie="); pw.println(host.zombie); |
| 367 | } |
| 368 | |
| 369 | private void dumpAppWidgetId(AppWidgetId id, int index, PrintWriter pw) { |
| 370 | pw.print(" ["); pw.print(index); pw.print("] id="); |
| 371 | pw.println(id.appWidgetId); |
| 372 | pw.print(" hostId="); |
| 373 | pw.print(id.host.hostId); pw.print(' '); |
| 374 | pw.print(id.host.packageName); pw.print('/'); |
| 375 | pw.println(id.host.uid); |
| 376 | if (id.provider != null) { |
| 377 | pw.print(" provider="); |
| 378 | pw.println(id.provider.info.provider.flattenToShortString()); |
| 379 | } |
| 380 | if (id.host != null) { |
| 381 | pw.print(" host.callbacks="); pw.println(id.host.callbacks); |
| 382 | } |
| 383 | if (id.views != null) { |
| 384 | pw.print(" views="); pw.println(id.views); |
| 385 | } |
| 386 | } |
| 387 | |
| 388 | void dump(FileDescriptor fd, PrintWriter pw, String[] args) { |
| 389 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DUMP) |
| 390 | != PackageManager.PERMISSION_GRANTED) { |
| 391 | pw.println("Permission Denial: can't dump from from pid=" |
| 392 | + Binder.getCallingPid() |
| 393 | + ", uid=" + Binder.getCallingUid()); |
| 394 | return; |
| 395 | } |
| 396 | |
| 397 | synchronized (mAppWidgetIds) { |
| 398 | int N = mInstalledProviders.size(); |
| 399 | pw.println("Providers:"); |
| 400 | for (int i=0; i<N; i++) { |
| 401 | dumpProvider(mInstalledProviders.get(i), i, pw); |
| 402 | } |
| 403 | |
| 404 | N = mAppWidgetIds.size(); |
| 405 | pw.println(" "); |
| 406 | pw.println("AppWidgetIds:"); |
| 407 | for (int i=0; i<N; i++) { |
| 408 | dumpAppWidgetId(mAppWidgetIds.get(i), i, pw); |
| 409 | } |
| 410 | |
| 411 | N = mHosts.size(); |
| 412 | pw.println(" "); |
| 413 | pw.println("Hosts:"); |
| 414 | for (int i=0; i<N; i++) { |
| 415 | dumpHost(mHosts.get(i), i, pw); |
| 416 | } |
| 417 | |
| 418 | N = mDeletedProviders.size(); |
| 419 | pw.println(" "); |
| 420 | pw.println("Deleted Providers:"); |
| 421 | for (int i=0; i<N; i++) { |
| 422 | dumpProvider(mDeletedProviders.get(i), i, pw); |
| 423 | } |
| 424 | |
| 425 | N = mDeletedHosts.size(); |
| 426 | pw.println(" "); |
| 427 | pw.println("Deleted Hosts:"); |
| 428 | for (int i=0; i<N; i++) { |
| 429 | dumpHost(mDeletedHosts.get(i), i, pw); |
| 430 | } |
| 431 | } |
| 432 | } |
| 433 | |
| 434 | private void ensureStateLoadedLocked() { |
| 435 | if (!mStateLoaded) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 436 | if (!mHasFeature) { |
| 437 | return; |
| 438 | } |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 439 | loadAppWidgetListLocked(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 440 | loadStateLocked(); |
| 441 | mStateLoaded = true; |
| 442 | } |
| 443 | } |
| 444 | |
| 445 | public int allocateAppWidgetId(String packageName, int hostId) { |
Jim Miller | f229e4d | 2012-09-12 20:32:50 -0700 | [diff] [blame] | 446 | int callingUid = enforceSystemOrCallingUid(packageName); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 447 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 448 | if (!mHasFeature) { |
| 449 | return -1; |
| 450 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 451 | ensureStateLoadedLocked(); |
| 452 | int appWidgetId = mNextAppWidgetId++; |
| 453 | |
| 454 | Host host = lookupOrAddHostLocked(callingUid, packageName, hostId); |
| 455 | |
| 456 | AppWidgetId id = new AppWidgetId(); |
| 457 | id.appWidgetId = appWidgetId; |
| 458 | id.host = host; |
| 459 | |
| 460 | host.instances.add(id); |
| 461 | mAppWidgetIds.add(id); |
| 462 | |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 463 | saveStateAsync(); |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 464 | if (DBG) log("Allocating AppWidgetId for " + packageName + " host=" + hostId |
| 465 | + " id=" + appWidgetId); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 466 | return appWidgetId; |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | public void deleteAppWidgetId(int appWidgetId) { |
| 471 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 472 | if (!mHasFeature) { |
| 473 | return; |
| 474 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 475 | ensureStateLoadedLocked(); |
| 476 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetId); |
| 477 | if (id != null) { |
| 478 | deleteAppWidgetLocked(id); |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 479 | saveStateAsync(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 480 | } |
| 481 | } |
| 482 | } |
| 483 | |
| 484 | public void deleteHost(int hostId) { |
| 485 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 486 | if (!mHasFeature) { |
| 487 | return; |
| 488 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 489 | ensureStateLoadedLocked(); |
| 490 | int callingUid = Binder.getCallingUid(); |
| 491 | Host host = lookupHostLocked(callingUid, hostId); |
| 492 | if (host != null) { |
| 493 | deleteHostLocked(host); |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 494 | saveStateAsync(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 495 | } |
| 496 | } |
| 497 | } |
| 498 | |
| 499 | public void deleteAllHosts() { |
| 500 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 501 | if (!mHasFeature) { |
| 502 | return; |
| 503 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 504 | ensureStateLoadedLocked(); |
| 505 | int callingUid = Binder.getCallingUid(); |
| 506 | final int N = mHosts.size(); |
| 507 | boolean changed = false; |
| 508 | for (int i = N - 1; i >= 0; i--) { |
| 509 | Host host = mHosts.get(i); |
Amith Yamasani | c566b43 | 2012-11-30 15:26:21 -0800 | [diff] [blame] | 510 | if (host.uidMatches(callingUid)) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 511 | deleteHostLocked(host); |
| 512 | changed = true; |
| 513 | } |
| 514 | } |
| 515 | if (changed) { |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 516 | saveStateAsync(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 517 | } |
| 518 | } |
| 519 | } |
| 520 | |
| 521 | void deleteHostLocked(Host host) { |
| 522 | final int N = host.instances.size(); |
| 523 | for (int i = N - 1; i >= 0; i--) { |
| 524 | AppWidgetId id = host.instances.get(i); |
| 525 | deleteAppWidgetLocked(id); |
| 526 | } |
| 527 | host.instances.clear(); |
| 528 | mHosts.remove(host); |
| 529 | mDeletedHosts.add(host); |
| 530 | // it's gone or going away, abruptly drop the callback connection |
| 531 | host.callbacks = null; |
| 532 | } |
| 533 | |
| 534 | void deleteAppWidgetLocked(AppWidgetId id) { |
| 535 | // We first unbind all services that are bound to this id |
| 536 | unbindAppWidgetRemoteViewsServicesLocked(id); |
| 537 | |
| 538 | Host host = id.host; |
| 539 | host.instances.remove(id); |
| 540 | pruneHostLocked(host); |
| 541 | |
| 542 | mAppWidgetIds.remove(id); |
| 543 | |
| 544 | Provider p = id.provider; |
| 545 | if (p != null) { |
| 546 | p.instances.remove(id); |
| 547 | if (!p.zombie) { |
| 548 | // send the broacast saying that this appWidgetId has been deleted |
| 549 | Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_DELETED); |
| 550 | intent.setComponent(p.info.provider); |
| 551 | intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, id.appWidgetId); |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 552 | mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 553 | if (p.instances.size() == 0) { |
| 554 | // cancel the future updates |
| 555 | cancelBroadcasts(p); |
| 556 | |
| 557 | // send the broacast saying that the provider is not in use any more |
| 558 | intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_DISABLED); |
| 559 | intent.setComponent(p.info.provider); |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 560 | mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 561 | } |
| 562 | } |
| 563 | } |
| 564 | } |
| 565 | |
| 566 | void cancelBroadcasts(Provider p) { |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 567 | if (DBG) log("cancelBroadcasts for " + p); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 568 | if (p.broadcast != null) { |
| 569 | mAlarmManager.cancel(p.broadcast); |
| 570 | long token = Binder.clearCallingIdentity(); |
| 571 | try { |
| 572 | p.broadcast.cancel(); |
| 573 | } finally { |
| 574 | Binder.restoreCallingIdentity(token); |
| 575 | } |
| 576 | p.broadcast = null; |
| 577 | } |
| 578 | } |
| 579 | |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 580 | private void bindAppWidgetIdImpl(int appWidgetId, ComponentName provider, Bundle options) { |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 581 | if (DBG) log("bindAppWidgetIdImpl appwid=" + appWidgetId |
| 582 | + " provider=" + provider); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 583 | final long ident = Binder.clearCallingIdentity(); |
| 584 | try { |
| 585 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 586 | if (!mHasFeature) { |
| 587 | return; |
| 588 | } |
Adam Cohen | 3ff2d86 | 2012-09-26 14:07:57 -0700 | [diff] [blame] | 589 | options = cloneIfLocalBinder(options); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 590 | ensureStateLoadedLocked(); |
| 591 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetId); |
| 592 | if (id == null) { |
| 593 | throw new IllegalArgumentException("bad appWidgetId"); |
| 594 | } |
| 595 | if (id.provider != null) { |
| 596 | throw new IllegalArgumentException("appWidgetId " + appWidgetId |
| 597 | + " already bound to " + id.provider.info.provider); |
| 598 | } |
| 599 | Provider p = lookupProviderLocked(provider); |
| 600 | if (p == null) { |
| 601 | throw new IllegalArgumentException("not a appwidget provider: " + provider); |
| 602 | } |
| 603 | if (p.zombie) { |
| 604 | throw new IllegalArgumentException("can't bind to a 3rd party provider in" |
| 605 | + " safe mode: " + provider); |
| 606 | } |
| 607 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 608 | id.provider = p; |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 609 | if (options == null) { |
| 610 | options = new Bundle(); |
| 611 | } |
| 612 | id.options = options; |
| 613 | |
| 614 | // We need to provide a default value for the widget category if it is not specified |
| 615 | if (!options.containsKey(AppWidgetManager.OPTION_APPWIDGET_HOST_CATEGORY)) { |
| 616 | options.putInt(AppWidgetManager.OPTION_APPWIDGET_HOST_CATEGORY, |
| 617 | AppWidgetProviderInfo.WIDGET_CATEGORY_HOME_SCREEN); |
| 618 | } |
| 619 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 620 | p.instances.add(id); |
| 621 | int instancesSize = p.instances.size(); |
| 622 | if (instancesSize == 1) { |
| 623 | // tell the provider that it's ready |
| 624 | sendEnableIntentLocked(p); |
| 625 | } |
| 626 | |
| 627 | // send an update now -- We need this update now, and just for this appWidgetId. |
| 628 | // It's less critical when the next one happens, so when we schedule the next one, |
| 629 | // we add updatePeriodMillis to its start time. That time will have some slop, |
| 630 | // but that's okay. |
| 631 | sendUpdateIntentLocked(p, new int[] { appWidgetId }); |
| 632 | |
| 633 | // schedule the future updates |
| 634 | registerForBroadcastsLocked(p, getAppWidgetIds(p)); |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 635 | saveStateAsync(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 636 | } |
| 637 | } finally { |
| 638 | Binder.restoreCallingIdentity(ident); |
| 639 | } |
| 640 | } |
| 641 | |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 642 | public void bindAppWidgetId(int appWidgetId, ComponentName provider, Bundle options) { |
Michael Jurka | 67a871d | 2012-11-01 18:26:01 -0700 | [diff] [blame] | 643 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BIND_APPWIDGET, |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 644 | "bindAppWidgetId appWidgetId=" + appWidgetId + " provider=" + provider); |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 645 | bindAppWidgetIdImpl(appWidgetId, provider, options); |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 646 | } |
| 647 | |
| 648 | public boolean bindAppWidgetIdIfAllowed( |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 649 | String packageName, int appWidgetId, ComponentName provider, Bundle options) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 650 | if (!mHasFeature) { |
| 651 | return false; |
| 652 | } |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 653 | try { |
Michael Jurka | 67a871d | 2012-11-01 18:26:01 -0700 | [diff] [blame] | 654 | mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BIND_APPWIDGET, null); |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 655 | } catch (SecurityException se) { |
| 656 | if (!callerHasBindAppWidgetPermission(packageName)) { |
| 657 | return false; |
| 658 | } |
| 659 | } |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 660 | bindAppWidgetIdImpl(appWidgetId, provider, options); |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 661 | return true; |
| 662 | } |
| 663 | |
| 664 | private boolean callerHasBindAppWidgetPermission(String packageName) { |
| 665 | int callingUid = Binder.getCallingUid(); |
| 666 | try { |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 667 | if (!UserHandle.isSameApp(callingUid, getUidForPackage(packageName))) { |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 668 | return false; |
| 669 | } |
| 670 | } catch (Exception e) { |
| 671 | return false; |
| 672 | } |
| 673 | synchronized (mAppWidgetIds) { |
| 674 | ensureStateLoadedLocked(); |
| 675 | return mPackagesWithBindWidgetPermission.contains(packageName); |
| 676 | } |
| 677 | } |
| 678 | |
| 679 | public boolean hasBindAppWidgetPermission(String packageName) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 680 | if (!mHasFeature) { |
| 681 | return false; |
| 682 | } |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 683 | mContext.enforceCallingPermission( |
| 684 | android.Manifest.permission.MODIFY_APPWIDGET_BIND_PERMISSIONS, |
| 685 | "hasBindAppWidgetPermission packageName=" + packageName); |
| 686 | |
| 687 | synchronized (mAppWidgetIds) { |
| 688 | ensureStateLoadedLocked(); |
| 689 | return mPackagesWithBindWidgetPermission.contains(packageName); |
| 690 | } |
| 691 | } |
| 692 | |
| 693 | public void setBindAppWidgetPermission(String packageName, boolean permission) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 694 | if (!mHasFeature) { |
| 695 | return; |
| 696 | } |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 697 | mContext.enforceCallingPermission( |
| 698 | android.Manifest.permission.MODIFY_APPWIDGET_BIND_PERMISSIONS, |
| 699 | "setBindAppWidgetPermission packageName=" + packageName); |
| 700 | |
| 701 | synchronized (mAppWidgetIds) { |
| 702 | ensureStateLoadedLocked(); |
| 703 | if (permission) { |
| 704 | mPackagesWithBindWidgetPermission.add(packageName); |
| 705 | } else { |
| 706 | mPackagesWithBindWidgetPermission.remove(packageName); |
| 707 | } |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 708 | saveStateAsync(); |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 709 | } |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 710 | } |
| 711 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 712 | // Binds to a specific RemoteViewsService |
| 713 | public void bindRemoteViewsService(int appWidgetId, Intent intent, IBinder connection) { |
| 714 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 715 | if (!mHasFeature) { |
| 716 | return; |
| 717 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 718 | ensureStateLoadedLocked(); |
| 719 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetId); |
| 720 | if (id == null) { |
| 721 | throw new IllegalArgumentException("bad appWidgetId"); |
| 722 | } |
| 723 | final ComponentName componentName = intent.getComponent(); |
| 724 | try { |
Amith Yamasani | 98edc95 | 2012-09-25 14:09:27 -0700 | [diff] [blame] | 725 | final ServiceInfo si = AppGlobals.getPackageManager().getServiceInfo(componentName, |
| 726 | PackageManager.GET_PERMISSIONS, mUserId); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 727 | if (!android.Manifest.permission.BIND_REMOTEVIEWS.equals(si.permission)) { |
| 728 | throw new SecurityException("Selected service does not require " |
| 729 | + android.Manifest.permission.BIND_REMOTEVIEWS + ": " + componentName); |
| 730 | } |
Amith Yamasani | 98edc95 | 2012-09-25 14:09:27 -0700 | [diff] [blame] | 731 | } catch (RemoteException e) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 732 | throw new IllegalArgumentException("Unknown component " + componentName); |
| 733 | } |
| 734 | |
| 735 | // If there is already a connection made for this service intent, then disconnect from |
| 736 | // that first. (This does not allow multiple connections to the same service under |
| 737 | // the same key) |
| 738 | ServiceConnectionProxy conn = null; |
| 739 | FilterComparison fc = new FilterComparison(intent); |
| 740 | Pair<Integer, FilterComparison> key = Pair.create(appWidgetId, fc); |
| 741 | if (mBoundRemoteViewsServices.containsKey(key)) { |
| 742 | conn = (ServiceConnectionProxy) mBoundRemoteViewsServices.get(key); |
| 743 | conn.disconnect(); |
| 744 | mContext.unbindService(conn); |
| 745 | mBoundRemoteViewsServices.remove(key); |
| 746 | } |
| 747 | |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 748 | int userId = UserHandle.getUserId(id.provider.uid); |
Amith Yamasani | 791f877 | 2012-11-21 14:06:07 -0800 | [diff] [blame] | 749 | if (userId != mUserId) { |
| 750 | Slog.w(TAG, "AppWidgetServiceImpl of user " + mUserId |
| 751 | + " binding to provider on user " + userId); |
| 752 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 753 | // Bind to the RemoteViewsService (which will trigger a callback to the |
| 754 | // RemoteViewsAdapter.onServiceConnected()) |
| 755 | final long token = Binder.clearCallingIdentity(); |
| 756 | try { |
| 757 | conn = new ServiceConnectionProxy(key, connection); |
Amith Yamasani | 27b89e6 | 2013-01-16 12:30:11 -0800 | [diff] [blame] | 758 | mContext.bindServiceAsUser(intent, conn, Context.BIND_AUTO_CREATE, |
| 759 | new UserHandle(userId)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 760 | mBoundRemoteViewsServices.put(key, conn); |
| 761 | } finally { |
| 762 | Binder.restoreCallingIdentity(token); |
| 763 | } |
| 764 | |
| 765 | // Add it to the mapping of RemoteViewsService to appWidgetIds so that we can determine |
| 766 | // when we can call back to the RemoteViewsService later to destroy associated |
| 767 | // factories. |
| 768 | incrementAppWidgetServiceRefCount(appWidgetId, fc); |
| 769 | } |
| 770 | } |
| 771 | |
| 772 | // Unbinds from a specific RemoteViewsService |
| 773 | public void unbindRemoteViewsService(int appWidgetId, Intent intent) { |
| 774 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 775 | if (!mHasFeature) { |
| 776 | return; |
| 777 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 778 | ensureStateLoadedLocked(); |
| 779 | // Unbind from the RemoteViewsService (which will trigger a callback to the bound |
| 780 | // RemoteViewsAdapter) |
| 781 | Pair<Integer, FilterComparison> key = Pair.create(appWidgetId, new FilterComparison( |
| 782 | intent)); |
| 783 | if (mBoundRemoteViewsServices.containsKey(key)) { |
| 784 | // We don't need to use the appWidgetId until after we are sure there is something |
| 785 | // to unbind. Note that this may mask certain issues with apps calling unbind() |
| 786 | // more than necessary. |
| 787 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetId); |
| 788 | if (id == null) { |
| 789 | throw new IllegalArgumentException("bad appWidgetId"); |
| 790 | } |
| 791 | |
| 792 | ServiceConnectionProxy conn = (ServiceConnectionProxy) mBoundRemoteViewsServices |
| 793 | .get(key); |
| 794 | conn.disconnect(); |
| 795 | mContext.unbindService(conn); |
| 796 | mBoundRemoteViewsServices.remove(key); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 797 | } |
| 798 | } |
| 799 | } |
| 800 | |
| 801 | // Unbinds from a RemoteViewsService when we delete an app widget |
| 802 | private void unbindAppWidgetRemoteViewsServicesLocked(AppWidgetId id) { |
| 803 | int appWidgetId = id.appWidgetId; |
| 804 | // Unbind all connections to Services bound to this AppWidgetId |
| 805 | Iterator<Pair<Integer, Intent.FilterComparison>> it = mBoundRemoteViewsServices.keySet() |
| 806 | .iterator(); |
| 807 | while (it.hasNext()) { |
| 808 | final Pair<Integer, Intent.FilterComparison> key = it.next(); |
| 809 | if (key.first.intValue() == appWidgetId) { |
| 810 | final ServiceConnectionProxy conn = (ServiceConnectionProxy) mBoundRemoteViewsServices |
| 811 | .get(key); |
| 812 | conn.disconnect(); |
| 813 | mContext.unbindService(conn); |
| 814 | it.remove(); |
| 815 | } |
| 816 | } |
| 817 | |
| 818 | // Check if we need to destroy any services (if no other app widgets are |
| 819 | // referencing the same service) |
Amith Yamasani | 37ce3a8 | 2012-02-06 12:04:42 -0800 | [diff] [blame] | 820 | decrementAppWidgetServiceRefCount(id); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 821 | } |
| 822 | |
| 823 | // Destroys the cached factory on the RemoteViewsService's side related to the specified intent |
Amith Yamasani | 37ce3a8 | 2012-02-06 12:04:42 -0800 | [diff] [blame] | 824 | private void destroyRemoteViewsService(final Intent intent, AppWidgetId id) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 825 | final ServiceConnection conn = new ServiceConnection() { |
| 826 | @Override |
| 827 | public void onServiceConnected(ComponentName name, IBinder service) { |
| 828 | final IRemoteViewsFactory cb = IRemoteViewsFactory.Stub.asInterface(service); |
| 829 | try { |
| 830 | cb.onDestroy(intent); |
| 831 | } catch (RemoteException e) { |
| 832 | e.printStackTrace(); |
| 833 | } catch (RuntimeException e) { |
| 834 | e.printStackTrace(); |
| 835 | } |
| 836 | mContext.unbindService(this); |
| 837 | } |
| 838 | |
| 839 | @Override |
| 840 | public void onServiceDisconnected(android.content.ComponentName name) { |
| 841 | // Do nothing |
| 842 | } |
| 843 | }; |
| 844 | |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 845 | int userId = UserHandle.getUserId(id.provider.uid); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 846 | // Bind to the service and remove the static intent->factory mapping in the |
| 847 | // RemoteViewsService. |
| 848 | final long token = Binder.clearCallingIdentity(); |
| 849 | try { |
Amith Yamasani | 27b89e6 | 2013-01-16 12:30:11 -0800 | [diff] [blame] | 850 | mContext.bindServiceAsUser(intent, conn, Context.BIND_AUTO_CREATE, |
| 851 | new UserHandle(userId)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 852 | } finally { |
| 853 | Binder.restoreCallingIdentity(token); |
| 854 | } |
| 855 | } |
| 856 | |
| 857 | // Adds to the ref-count for a given RemoteViewsService intent |
| 858 | private void incrementAppWidgetServiceRefCount(int appWidgetId, FilterComparison fc) { |
| 859 | HashSet<Integer> appWidgetIds = null; |
| 860 | if (mRemoteViewsServicesAppWidgets.containsKey(fc)) { |
| 861 | appWidgetIds = mRemoteViewsServicesAppWidgets.get(fc); |
| 862 | } else { |
| 863 | appWidgetIds = new HashSet<Integer>(); |
| 864 | mRemoteViewsServicesAppWidgets.put(fc, appWidgetIds); |
| 865 | } |
| 866 | appWidgetIds.add(appWidgetId); |
| 867 | } |
| 868 | |
| 869 | // Subtracts from the ref-count for a given RemoteViewsService intent, prompting a delete if |
| 870 | // the ref-count reaches zero. |
Amith Yamasani | 37ce3a8 | 2012-02-06 12:04:42 -0800 | [diff] [blame] | 871 | private void decrementAppWidgetServiceRefCount(AppWidgetId id) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 872 | Iterator<FilterComparison> it = mRemoteViewsServicesAppWidgets.keySet().iterator(); |
| 873 | while (it.hasNext()) { |
| 874 | final FilterComparison key = it.next(); |
| 875 | final HashSet<Integer> ids = mRemoteViewsServicesAppWidgets.get(key); |
Amith Yamasani | 37ce3a8 | 2012-02-06 12:04:42 -0800 | [diff] [blame] | 876 | if (ids.remove(id.appWidgetId)) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 877 | // If we have removed the last app widget referencing this service, then we |
| 878 | // should destroy it and remove it from this set |
| 879 | if (ids.isEmpty()) { |
Amith Yamasani | 37ce3a8 | 2012-02-06 12:04:42 -0800 | [diff] [blame] | 880 | destroyRemoteViewsService(key.getIntent(), id); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 881 | it.remove(); |
| 882 | } |
| 883 | } |
| 884 | } |
| 885 | } |
| 886 | |
| 887 | public AppWidgetProviderInfo getAppWidgetInfo(int appWidgetId) { |
| 888 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 889 | if (!mHasFeature) { |
| 890 | return null; |
| 891 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 892 | ensureStateLoadedLocked(); |
| 893 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetId); |
| 894 | if (id != null && id.provider != null && !id.provider.zombie) { |
Adam Cohen | 3ff2d86 | 2012-09-26 14:07:57 -0700 | [diff] [blame] | 895 | return cloneIfLocalBinder(id.provider.info); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 896 | } |
| 897 | return null; |
| 898 | } |
| 899 | } |
| 900 | |
| 901 | public RemoteViews getAppWidgetViews(int appWidgetId) { |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 902 | if (DBG) log("getAppWidgetViews id=" + appWidgetId); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 903 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 904 | if (!mHasFeature) { |
| 905 | return null; |
| 906 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 907 | ensureStateLoadedLocked(); |
| 908 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetId); |
| 909 | if (id != null) { |
Adam Cohen | 3ff2d86 | 2012-09-26 14:07:57 -0700 | [diff] [blame] | 910 | return cloneIfLocalBinder(id.views); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 911 | } |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 912 | if (DBG) log(" couldn't find appwidgetid"); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 913 | return null; |
| 914 | } |
| 915 | } |
| 916 | |
Adam Cohen | d9e5af3 | 2012-11-28 16:34:57 -0800 | [diff] [blame] | 917 | public List<AppWidgetProviderInfo> getInstalledProviders(int categoryFilter) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 918 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 919 | if (!mHasFeature) { |
| 920 | return new ArrayList<AppWidgetProviderInfo>(0); |
| 921 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 922 | ensureStateLoadedLocked(); |
| 923 | final int N = mInstalledProviders.size(); |
| 924 | ArrayList<AppWidgetProviderInfo> result = new ArrayList<AppWidgetProviderInfo>(N); |
| 925 | for (int i = 0; i < N; i++) { |
| 926 | Provider p = mInstalledProviders.get(i); |
Adam Cohen | 3fcc6b2 | 2012-11-15 14:10:07 -0800 | [diff] [blame] | 927 | if (!p.zombie && (p.info.widgetCategory & categoryFilter) != 0) { |
Adam Cohen | 3ff2d86 | 2012-09-26 14:07:57 -0700 | [diff] [blame] | 928 | result.add(cloneIfLocalBinder(p.info)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 929 | } |
| 930 | } |
| 931 | return result; |
| 932 | } |
| 933 | } |
| 934 | |
| 935 | public void updateAppWidgetIds(int[] appWidgetIds, RemoteViews views) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 936 | if (!mHasFeature) { |
| 937 | return; |
| 938 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 939 | if (appWidgetIds == null) { |
| 940 | return; |
| 941 | } |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 942 | if (DBG) log("updateAppWidgetIds views: " + views); |
Adam Cohen | f08a8b7 | 2012-07-16 12:02:10 -0700 | [diff] [blame] | 943 | int bitmapMemoryUsage = 0; |
| 944 | if (views != null) { |
| 945 | bitmapMemoryUsage = views.estimateMemoryUsage(); |
| 946 | } |
Adam Cohen | 311c79c | 2012-05-10 14:44:38 -0700 | [diff] [blame] | 947 | if (bitmapMemoryUsage > mMaxWidgetBitmapMemory) { |
| 948 | throw new IllegalArgumentException("RemoteViews for widget update exceeds maximum" + |
| 949 | " bitmap memory usage (used: " + bitmapMemoryUsage + ", max: " + |
| 950 | mMaxWidgetBitmapMemory + ") The total memory cannot exceed that required to" + |
| 951 | " fill the device's screen once."); |
| 952 | } |
| 953 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 954 | if (appWidgetIds.length == 0) { |
| 955 | return; |
| 956 | } |
| 957 | final int N = appWidgetIds.length; |
| 958 | |
| 959 | synchronized (mAppWidgetIds) { |
| 960 | ensureStateLoadedLocked(); |
| 961 | for (int i = 0; i < N; i++) { |
| 962 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetIds[i]); |
| 963 | updateAppWidgetInstanceLocked(id, views); |
| 964 | } |
| 965 | } |
| 966 | } |
| 967 | |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 968 | private void saveStateAsync() { |
| 969 | mSaveStateHandler.post(mSaveStateRunnable); |
| 970 | } |
| 971 | |
| 972 | private final Runnable mSaveStateRunnable = new Runnable() { |
| 973 | @Override |
| 974 | public void run() { |
| 975 | synchronized (mAppWidgetIds) { |
| 976 | ensureStateLoadedLocked(); |
| 977 | saveStateLocked(); |
| 978 | } |
| 979 | } |
| 980 | }; |
| 981 | |
Adam Cohen | d2097eb | 2012-05-01 18:10:28 -0700 | [diff] [blame] | 982 | public void updateAppWidgetOptions(int appWidgetId, Bundle options) { |
Adam Cohen | e8724c8 | 2012-04-19 17:11:40 -0700 | [diff] [blame] | 983 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 984 | if (!mHasFeature) { |
| 985 | return; |
| 986 | } |
Adam Cohen | 3ff2d86 | 2012-09-26 14:07:57 -0700 | [diff] [blame] | 987 | options = cloneIfLocalBinder(options); |
Adam Cohen | e8724c8 | 2012-04-19 17:11:40 -0700 | [diff] [blame] | 988 | ensureStateLoadedLocked(); |
| 989 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetId); |
| 990 | |
| 991 | if (id == null) { |
| 992 | return; |
| 993 | } |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 994 | |
Adam Cohen | e8724c8 | 2012-04-19 17:11:40 -0700 | [diff] [blame] | 995 | Provider p = id.provider; |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 996 | // Merge the options |
| 997 | id.options.putAll(options); |
Adam Cohen | e8724c8 | 2012-04-19 17:11:40 -0700 | [diff] [blame] | 998 | |
| 999 | // send the broacast saying that this appWidgetId has been deleted |
Adam Cohen | d2097eb | 2012-05-01 18:10:28 -0700 | [diff] [blame] | 1000 | Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_OPTIONS_CHANGED); |
Adam Cohen | e8724c8 | 2012-04-19 17:11:40 -0700 | [diff] [blame] | 1001 | intent.setComponent(p.info.provider); |
| 1002 | intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, id.appWidgetId); |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1003 | intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_OPTIONS, id.options); |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 1004 | mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId)); |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 1005 | saveStateAsync(); |
Adam Cohen | e8724c8 | 2012-04-19 17:11:40 -0700 | [diff] [blame] | 1006 | } |
| 1007 | } |
| 1008 | |
Adam Cohen | d2097eb | 2012-05-01 18:10:28 -0700 | [diff] [blame] | 1009 | public Bundle getAppWidgetOptions(int appWidgetId) { |
Adam Cohen | e8724c8 | 2012-04-19 17:11:40 -0700 | [diff] [blame] | 1010 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 1011 | if (!mHasFeature) { |
| 1012 | return Bundle.EMPTY; |
| 1013 | } |
Adam Cohen | e8724c8 | 2012-04-19 17:11:40 -0700 | [diff] [blame] | 1014 | ensureStateLoadedLocked(); |
| 1015 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetId); |
Adam Cohen | d2097eb | 2012-05-01 18:10:28 -0700 | [diff] [blame] | 1016 | if (id != null && id.options != null) { |
Adam Cohen | 3ff2d86 | 2012-09-26 14:07:57 -0700 | [diff] [blame] | 1017 | return cloneIfLocalBinder(id.options); |
Adam Cohen | e8724c8 | 2012-04-19 17:11:40 -0700 | [diff] [blame] | 1018 | } else { |
| 1019 | return Bundle.EMPTY; |
| 1020 | } |
| 1021 | } |
| 1022 | } |
| 1023 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1024 | public void partiallyUpdateAppWidgetIds(int[] appWidgetIds, RemoteViews views) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 1025 | if (!mHasFeature) { |
| 1026 | return; |
| 1027 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1028 | if (appWidgetIds == null) { |
| 1029 | return; |
| 1030 | } |
| 1031 | if (appWidgetIds.length == 0) { |
| 1032 | return; |
| 1033 | } |
| 1034 | final int N = appWidgetIds.length; |
| 1035 | |
| 1036 | synchronized (mAppWidgetIds) { |
| 1037 | ensureStateLoadedLocked(); |
| 1038 | for (int i = 0; i < N; i++) { |
| 1039 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetIds[i]); |
Amith Yamasani | 791f877 | 2012-11-21 14:06:07 -0800 | [diff] [blame] | 1040 | if (id == null) { |
Amith Yamasani | c566b43 | 2012-11-30 15:26:21 -0800 | [diff] [blame] | 1041 | Slog.w(TAG, "widget id " + appWidgetIds[i] + " not found!"); |
| 1042 | } else if (id.views != null) { |
Winson Chung | 6611988 | 2012-10-11 14:26:25 -0700 | [diff] [blame] | 1043 | // Only trigger a partial update for a widget if it has received a full update |
| 1044 | updateAppWidgetInstanceLocked(id, views, true); |
| 1045 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1046 | } |
| 1047 | } |
| 1048 | } |
| 1049 | |
| 1050 | public void notifyAppWidgetViewDataChanged(int[] appWidgetIds, int viewId) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 1051 | if (!mHasFeature) { |
| 1052 | return; |
| 1053 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1054 | if (appWidgetIds == null) { |
| 1055 | return; |
| 1056 | } |
| 1057 | if (appWidgetIds.length == 0) { |
| 1058 | return; |
| 1059 | } |
| 1060 | final int N = appWidgetIds.length; |
| 1061 | |
| 1062 | synchronized (mAppWidgetIds) { |
| 1063 | ensureStateLoadedLocked(); |
| 1064 | for (int i = 0; i < N; i++) { |
| 1065 | AppWidgetId id = lookupAppWidgetIdLocked(appWidgetIds[i]); |
| 1066 | notifyAppWidgetViewDataChangedInstanceLocked(id, viewId); |
| 1067 | } |
| 1068 | } |
| 1069 | } |
| 1070 | |
| 1071 | public void updateAppWidgetProvider(ComponentName provider, RemoteViews views) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 1072 | if (!mHasFeature) { |
| 1073 | return; |
| 1074 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1075 | synchronized (mAppWidgetIds) { |
| 1076 | ensureStateLoadedLocked(); |
| 1077 | Provider p = lookupProviderLocked(provider); |
| 1078 | if (p == null) { |
| 1079 | Slog.w(TAG, "updateAppWidgetProvider: provider doesn't exist: " + provider); |
| 1080 | return; |
| 1081 | } |
| 1082 | ArrayList<AppWidgetId> instances = p.instances; |
| 1083 | final int callingUid = Binder.getCallingUid(); |
| 1084 | final int N = instances.size(); |
| 1085 | for (int i = 0; i < N; i++) { |
| 1086 | AppWidgetId id = instances.get(i); |
| 1087 | if (canAccessAppWidgetId(id, callingUid)) { |
| 1088 | updateAppWidgetInstanceLocked(id, views); |
| 1089 | } |
| 1090 | } |
| 1091 | } |
| 1092 | } |
| 1093 | |
| 1094 | void updateAppWidgetInstanceLocked(AppWidgetId id, RemoteViews views) { |
| 1095 | updateAppWidgetInstanceLocked(id, views, false); |
| 1096 | } |
| 1097 | |
| 1098 | void updateAppWidgetInstanceLocked(AppWidgetId id, RemoteViews views, boolean isPartialUpdate) { |
| 1099 | // allow for stale appWidgetIds and other badness |
| 1100 | // lookup also checks that the calling process can access the appWidgetId |
| 1101 | // drop unbound appWidgetIds (shouldn't be possible under normal circumstances) |
| 1102 | if (id != null && id.provider != null && !id.provider.zombie && !id.host.zombie) { |
| 1103 | |
Winson Chung | 6611988 | 2012-10-11 14:26:25 -0700 | [diff] [blame] | 1104 | if (!isPartialUpdate) { |
Adam Cohen | fbe44b7 | 2012-09-19 20:36:23 -0700 | [diff] [blame] | 1105 | // For a full update we replace the RemoteViews completely. |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1106 | id.views = views; |
Adam Cohen | fbe44b7 | 2012-09-19 20:36:23 -0700 | [diff] [blame] | 1107 | } else { |
| 1108 | // For a partial update, we merge the new RemoteViews with the old. |
| 1109 | id.views.mergeRemoteViews(views); |
| 1110 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1111 | |
| 1112 | // is anyone listening? |
| 1113 | if (id.host.callbacks != null) { |
| 1114 | try { |
| 1115 | // the lock is held, but this is a oneway call |
Jim Miller | a75a883 | 2013-02-07 16:53:32 -0800 | [diff] [blame] | 1116 | id.host.callbacks.updateAppWidget(id.appWidgetId, views, mUserId); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1117 | } catch (RemoteException e) { |
| 1118 | // It failed; remove the callback. No need to prune because |
| 1119 | // we know that this host is still referenced by this instance. |
| 1120 | id.host.callbacks = null; |
| 1121 | } |
| 1122 | } |
| 1123 | } |
| 1124 | } |
| 1125 | |
| 1126 | void notifyAppWidgetViewDataChangedInstanceLocked(AppWidgetId id, int viewId) { |
| 1127 | // allow for stale appWidgetIds and other badness |
| 1128 | // lookup also checks that the calling process can access the appWidgetId |
| 1129 | // drop unbound appWidgetIds (shouldn't be possible under normal circumstances) |
| 1130 | if (id != null && id.provider != null && !id.provider.zombie && !id.host.zombie) { |
| 1131 | // is anyone listening? |
| 1132 | if (id.host.callbacks != null) { |
| 1133 | try { |
| 1134 | // the lock is held, but this is a oneway call |
Jim Miller | a75a883 | 2013-02-07 16:53:32 -0800 | [diff] [blame] | 1135 | id.host.callbacks.viewDataChanged(id.appWidgetId, viewId, mUserId); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1136 | } catch (RemoteException e) { |
| 1137 | // It failed; remove the callback. No need to prune because |
| 1138 | // we know that this host is still referenced by this instance. |
| 1139 | id.host.callbacks = null; |
| 1140 | } |
| 1141 | } |
| 1142 | |
| 1143 | // If the host is unavailable, then we call the associated |
| 1144 | // RemoteViewsFactory.onDataSetChanged() directly |
| 1145 | if (id.host.callbacks == null) { |
| 1146 | Set<FilterComparison> keys = mRemoteViewsServicesAppWidgets.keySet(); |
| 1147 | for (FilterComparison key : keys) { |
| 1148 | if (mRemoteViewsServicesAppWidgets.get(key).contains(id.appWidgetId)) { |
| 1149 | Intent intent = key.getIntent(); |
| 1150 | |
| 1151 | final ServiceConnection conn = new ServiceConnection() { |
| 1152 | @Override |
| 1153 | public void onServiceConnected(ComponentName name, IBinder service) { |
| 1154 | IRemoteViewsFactory cb = IRemoteViewsFactory.Stub |
| 1155 | .asInterface(service); |
| 1156 | try { |
| 1157 | cb.onDataSetChangedAsync(); |
| 1158 | } catch (RemoteException e) { |
| 1159 | e.printStackTrace(); |
| 1160 | } catch (RuntimeException e) { |
| 1161 | e.printStackTrace(); |
| 1162 | } |
| 1163 | mContext.unbindService(this); |
| 1164 | } |
| 1165 | |
| 1166 | @Override |
| 1167 | public void onServiceDisconnected(android.content.ComponentName name) { |
| 1168 | // Do nothing |
| 1169 | } |
| 1170 | }; |
| 1171 | |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 1172 | int userId = UserHandle.getUserId(id.provider.uid); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1173 | // Bind to the service and call onDataSetChanged() |
| 1174 | final long token = Binder.clearCallingIdentity(); |
| 1175 | try { |
Amith Yamasani | 27b89e6 | 2013-01-16 12:30:11 -0800 | [diff] [blame] | 1176 | mContext.bindServiceAsUser(intent, conn, Context.BIND_AUTO_CREATE, |
| 1177 | new UserHandle(userId)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1178 | } finally { |
| 1179 | Binder.restoreCallingIdentity(token); |
| 1180 | } |
| 1181 | } |
| 1182 | } |
| 1183 | } |
| 1184 | } |
| 1185 | } |
| 1186 | |
Adam Cohen | 3ff2d86 | 2012-09-26 14:07:57 -0700 | [diff] [blame] | 1187 | private boolean isLocalBinder() { |
| 1188 | return Process.myPid() == Binder.getCallingPid(); |
| 1189 | } |
| 1190 | |
| 1191 | private RemoteViews cloneIfLocalBinder(RemoteViews rv) { |
| 1192 | if (isLocalBinder() && rv != null) { |
| 1193 | return rv.clone(); |
| 1194 | } |
| 1195 | return rv; |
| 1196 | } |
| 1197 | |
| 1198 | private AppWidgetProviderInfo cloneIfLocalBinder(AppWidgetProviderInfo info) { |
| 1199 | if (isLocalBinder() && info != null) { |
| 1200 | return info.clone(); |
| 1201 | } |
| 1202 | return info; |
| 1203 | } |
| 1204 | |
| 1205 | private Bundle cloneIfLocalBinder(Bundle bundle) { |
| 1206 | // Note: this is only a shallow copy. For now this will be fine, but it could be problematic |
| 1207 | // if we start adding objects to the options. Further, it would only be an issue if keyguard |
| 1208 | // used such options. |
| 1209 | if (isLocalBinder() && bundle != null) { |
| 1210 | return (Bundle) bundle.clone(); |
| 1211 | } |
| 1212 | return bundle; |
| 1213 | } |
| 1214 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1215 | public int[] startListening(IAppWidgetHost callbacks, String packageName, int hostId, |
| 1216 | List<RemoteViews> updatedViews) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 1217 | if (!mHasFeature) { |
| 1218 | return new int[0]; |
| 1219 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1220 | int callingUid = enforceCallingUid(packageName); |
| 1221 | synchronized (mAppWidgetIds) { |
| 1222 | ensureStateLoadedLocked(); |
| 1223 | Host host = lookupOrAddHostLocked(callingUid, packageName, hostId); |
| 1224 | host.callbacks = callbacks; |
| 1225 | |
| 1226 | updatedViews.clear(); |
| 1227 | |
| 1228 | ArrayList<AppWidgetId> instances = host.instances; |
| 1229 | int N = instances.size(); |
| 1230 | int[] updatedIds = new int[N]; |
| 1231 | for (int i = 0; i < N; i++) { |
| 1232 | AppWidgetId id = instances.get(i); |
| 1233 | updatedIds[i] = id.appWidgetId; |
Adam Cohen | 3ff2d86 | 2012-09-26 14:07:57 -0700 | [diff] [blame] | 1234 | updatedViews.add(cloneIfLocalBinder(id.views)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1235 | } |
| 1236 | return updatedIds; |
| 1237 | } |
| 1238 | } |
| 1239 | |
| 1240 | public void stopListening(int hostId) { |
| 1241 | synchronized (mAppWidgetIds) { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 1242 | if (!mHasFeature) { |
| 1243 | return; |
| 1244 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1245 | ensureStateLoadedLocked(); |
| 1246 | Host host = lookupHostLocked(Binder.getCallingUid(), hostId); |
| 1247 | if (host != null) { |
| 1248 | host.callbacks = null; |
| 1249 | pruneHostLocked(host); |
| 1250 | } |
| 1251 | } |
| 1252 | } |
| 1253 | |
| 1254 | boolean canAccessAppWidgetId(AppWidgetId id, int callingUid) { |
Amith Yamasani | c566b43 | 2012-11-30 15:26:21 -0800 | [diff] [blame] | 1255 | if (id.host.uidMatches(callingUid)) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1256 | // Apps hosting the AppWidget have access to it. |
| 1257 | return true; |
| 1258 | } |
| 1259 | if (id.provider != null && id.provider.uid == callingUid) { |
| 1260 | // Apps providing the AppWidget have access to it (if the appWidgetId has been bound) |
| 1261 | return true; |
| 1262 | } |
| 1263 | if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.BIND_APPWIDGET) == PackageManager.PERMISSION_GRANTED) { |
| 1264 | // Apps that can bind have access to all appWidgetIds. |
| 1265 | return true; |
| 1266 | } |
| 1267 | // Nobody else can access it. |
| 1268 | return false; |
| 1269 | } |
| 1270 | |
| 1271 | AppWidgetId lookupAppWidgetIdLocked(int appWidgetId) { |
| 1272 | int callingUid = Binder.getCallingUid(); |
| 1273 | final int N = mAppWidgetIds.size(); |
| 1274 | for (int i = 0; i < N; i++) { |
| 1275 | AppWidgetId id = mAppWidgetIds.get(i); |
| 1276 | if (id.appWidgetId == appWidgetId && canAccessAppWidgetId(id, callingUid)) { |
| 1277 | return id; |
| 1278 | } |
| 1279 | } |
| 1280 | return null; |
| 1281 | } |
| 1282 | |
| 1283 | Provider lookupProviderLocked(ComponentName provider) { |
| 1284 | final int N = mInstalledProviders.size(); |
| 1285 | for (int i = 0; i < N; i++) { |
| 1286 | Provider p = mInstalledProviders.get(i); |
| 1287 | if (p.info.provider.equals(provider)) { |
| 1288 | return p; |
| 1289 | } |
| 1290 | } |
| 1291 | return null; |
| 1292 | } |
| 1293 | |
| 1294 | Host lookupHostLocked(int uid, int hostId) { |
| 1295 | final int N = mHosts.size(); |
| 1296 | for (int i = 0; i < N; i++) { |
| 1297 | Host h = mHosts.get(i); |
Amith Yamasani | c566b43 | 2012-11-30 15:26:21 -0800 | [diff] [blame] | 1298 | if (h.uidMatches(uid) && h.hostId == hostId) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1299 | return h; |
| 1300 | } |
| 1301 | } |
| 1302 | return null; |
| 1303 | } |
| 1304 | |
| 1305 | Host lookupOrAddHostLocked(int uid, String packageName, int hostId) { |
| 1306 | final int N = mHosts.size(); |
| 1307 | for (int i = 0; i < N; i++) { |
| 1308 | Host h = mHosts.get(i); |
| 1309 | if (h.hostId == hostId && h.packageName.equals(packageName)) { |
| 1310 | return h; |
| 1311 | } |
| 1312 | } |
| 1313 | Host host = new Host(); |
| 1314 | host.packageName = packageName; |
| 1315 | host.uid = uid; |
| 1316 | host.hostId = hostId; |
| 1317 | mHosts.add(host); |
| 1318 | return host; |
| 1319 | } |
| 1320 | |
| 1321 | void pruneHostLocked(Host host) { |
| 1322 | if (host.instances.size() == 0 && host.callbacks == null) { |
| 1323 | mHosts.remove(host); |
| 1324 | } |
| 1325 | } |
| 1326 | |
Adam Cohen | a1a2f96 | 2012-11-01 14:06:16 -0700 | [diff] [blame] | 1327 | void loadAppWidgetListLocked() { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1328 | Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 1329 | try { |
| 1330 | List<ResolveInfo> broadcastReceivers = mPm.queryIntentReceivers(intent, |
| 1331 | intent.resolveTypeIfNeeded(mContext.getContentResolver()), |
| 1332 | PackageManager.GET_META_DATA, mUserId); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1333 | |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 1334 | final int N = broadcastReceivers == null ? 0 : broadcastReceivers.size(); |
| 1335 | for (int i = 0; i < N; i++) { |
| 1336 | ResolveInfo ri = broadcastReceivers.get(i); |
| 1337 | addProviderLocked(ri); |
| 1338 | } |
| 1339 | } catch (RemoteException re) { |
| 1340 | // Shouldn't happen, local call |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1341 | } |
| 1342 | } |
| 1343 | |
| 1344 | boolean addProviderLocked(ResolveInfo ri) { |
| 1345 | if ((ri.activityInfo.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { |
| 1346 | return false; |
| 1347 | } |
| 1348 | if (!ri.activityInfo.isEnabled()) { |
| 1349 | return false; |
| 1350 | } |
| 1351 | Provider p = parseProviderInfoXml(new ComponentName(ri.activityInfo.packageName, |
| 1352 | ri.activityInfo.name), ri); |
| 1353 | if (p != null) { |
| 1354 | mInstalledProviders.add(p); |
| 1355 | return true; |
| 1356 | } else { |
| 1357 | return false; |
| 1358 | } |
| 1359 | } |
| 1360 | |
| 1361 | void removeProviderLocked(int index, Provider p) { |
| 1362 | int N = p.instances.size(); |
| 1363 | for (int i = 0; i < N; i++) { |
| 1364 | AppWidgetId id = p.instances.get(i); |
| 1365 | // Call back with empty RemoteViews |
| 1366 | updateAppWidgetInstanceLocked(id, null); |
| 1367 | // Stop telling the host about updates for this from now on |
| 1368 | cancelBroadcasts(p); |
| 1369 | // clear out references to this appWidgetId |
| 1370 | id.host.instances.remove(id); |
| 1371 | mAppWidgetIds.remove(id); |
| 1372 | id.provider = null; |
| 1373 | pruneHostLocked(id.host); |
| 1374 | id.host = null; |
| 1375 | } |
| 1376 | p.instances.clear(); |
| 1377 | mInstalledProviders.remove(index); |
| 1378 | mDeletedProviders.add(p); |
| 1379 | // no need to send the DISABLE broadcast, since the receiver is gone anyway |
| 1380 | cancelBroadcasts(p); |
| 1381 | } |
| 1382 | |
| 1383 | void sendEnableIntentLocked(Provider p) { |
| 1384 | Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_ENABLED); |
| 1385 | intent.setComponent(p.info.provider); |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 1386 | mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1387 | } |
| 1388 | |
| 1389 | void sendUpdateIntentLocked(Provider p, int[] appWidgetIds) { |
| 1390 | if (appWidgetIds != null && appWidgetIds.length > 0) { |
| 1391 | Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); |
| 1392 | intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, appWidgetIds); |
| 1393 | intent.setComponent(p.info.provider); |
Dianne Hackborn | 79af1dd | 2012-08-16 16:42:52 -0700 | [diff] [blame] | 1394 | mContext.sendBroadcastAsUser(intent, new UserHandle(mUserId)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1395 | } |
| 1396 | } |
| 1397 | |
| 1398 | void registerForBroadcastsLocked(Provider p, int[] appWidgetIds) { |
| 1399 | if (p.info.updatePeriodMillis > 0) { |
| 1400 | // if this is the first instance, set the alarm. otherwise, |
| 1401 | // rely on the fact that we've already set it and that |
| 1402 | // PendingIntent.getBroadcast will update the extras. |
| 1403 | boolean alreadyRegistered = p.broadcast != null; |
| 1404 | Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); |
| 1405 | intent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_IDS, appWidgetIds); |
| 1406 | intent.setComponent(p.info.provider); |
| 1407 | long token = Binder.clearCallingIdentity(); |
| 1408 | try { |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 1409 | p.broadcast = PendingIntent.getBroadcastAsUser(mContext, 1, intent, |
| 1410 | PendingIntent.FLAG_UPDATE_CURRENT, new UserHandle(mUserId)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1411 | } finally { |
| 1412 | Binder.restoreCallingIdentity(token); |
| 1413 | } |
| 1414 | if (!alreadyRegistered) { |
| 1415 | long period = p.info.updatePeriodMillis; |
| 1416 | if (period < MIN_UPDATE_PERIOD) { |
| 1417 | period = MIN_UPDATE_PERIOD; |
| 1418 | } |
| 1419 | mAlarmManager.setInexactRepeating(AlarmManager.ELAPSED_REALTIME_WAKEUP, SystemClock |
| 1420 | .elapsedRealtime() |
| 1421 | + period, period, p.broadcast); |
| 1422 | } |
| 1423 | } |
| 1424 | } |
| 1425 | |
| 1426 | static int[] getAppWidgetIds(Provider p) { |
| 1427 | int instancesSize = p.instances.size(); |
| 1428 | int appWidgetIds[] = new int[instancesSize]; |
| 1429 | for (int i = 0; i < instancesSize; i++) { |
| 1430 | appWidgetIds[i] = p.instances.get(i).appWidgetId; |
| 1431 | } |
| 1432 | return appWidgetIds; |
| 1433 | } |
| 1434 | |
| 1435 | public int[] getAppWidgetIds(ComponentName provider) { |
| 1436 | synchronized (mAppWidgetIds) { |
| 1437 | ensureStateLoadedLocked(); |
| 1438 | Provider p = lookupProviderLocked(provider); |
| 1439 | if (p != null && Binder.getCallingUid() == p.uid) { |
| 1440 | return getAppWidgetIds(p); |
| 1441 | } else { |
| 1442 | return new int[0]; |
| 1443 | } |
| 1444 | } |
| 1445 | } |
| 1446 | |
Michael Jurka | 75b5cfb | 2012-11-15 18:22:47 -0800 | [diff] [blame] | 1447 | static int[] getAppWidgetIds(Host h) { |
| 1448 | int instancesSize = h.instances.size(); |
| 1449 | int appWidgetIds[] = new int[instancesSize]; |
| 1450 | for (int i = 0; i < instancesSize; i++) { |
| 1451 | appWidgetIds[i] = h.instances.get(i).appWidgetId; |
| 1452 | } |
| 1453 | return appWidgetIds; |
| 1454 | } |
| 1455 | |
| 1456 | public int[] getAppWidgetIdsForHost(int hostId) { |
| 1457 | synchronized (mAppWidgetIds) { |
| 1458 | ensureStateLoadedLocked(); |
| 1459 | int callingUid = Binder.getCallingUid(); |
| 1460 | Host host = lookupHostLocked(callingUid, hostId); |
| 1461 | if (host != null) { |
| 1462 | return getAppWidgetIds(host); |
| 1463 | } else { |
| 1464 | return new int[0]; |
| 1465 | } |
| 1466 | } |
| 1467 | } |
| 1468 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1469 | private Provider parseProviderInfoXml(ComponentName component, ResolveInfo ri) { |
| 1470 | Provider p = null; |
| 1471 | |
| 1472 | ActivityInfo activityInfo = ri.activityInfo; |
| 1473 | XmlResourceParser parser = null; |
| 1474 | try { |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 1475 | parser = activityInfo.loadXmlMetaData(mContext.getPackageManager(), |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1476 | AppWidgetManager.META_DATA_APPWIDGET_PROVIDER); |
| 1477 | if (parser == null) { |
| 1478 | Slog.w(TAG, "No " + AppWidgetManager.META_DATA_APPWIDGET_PROVIDER |
| 1479 | + " meta-data for " + "AppWidget provider '" + component + '\''); |
| 1480 | return null; |
| 1481 | } |
| 1482 | |
| 1483 | AttributeSet attrs = Xml.asAttributeSet(parser); |
| 1484 | |
| 1485 | int type; |
| 1486 | while ((type = parser.next()) != XmlPullParser.END_DOCUMENT |
| 1487 | && type != XmlPullParser.START_TAG) { |
| 1488 | // drain whitespace, comments, etc. |
| 1489 | } |
| 1490 | |
| 1491 | String nodeName = parser.getName(); |
| 1492 | if (!"appwidget-provider".equals(nodeName)) { |
| 1493 | Slog.w(TAG, "Meta-data does not start with appwidget-provider tag for" |
| 1494 | + " AppWidget provider '" + component + '\''); |
| 1495 | return null; |
| 1496 | } |
| 1497 | |
| 1498 | p = new Provider(); |
| 1499 | AppWidgetProviderInfo info = p.info = new AppWidgetProviderInfo(); |
| 1500 | info.provider = component; |
| 1501 | p.uid = activityInfo.applicationInfo.uid; |
| 1502 | |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 1503 | Resources res = mContext.getPackageManager() |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 1504 | .getResourcesForApplicationAsUser(activityInfo.packageName, mUserId); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1505 | |
| 1506 | TypedArray sa = res.obtainAttributes(attrs, |
| 1507 | com.android.internal.R.styleable.AppWidgetProviderInfo); |
| 1508 | |
| 1509 | // These dimensions has to be resolved in the application's context. |
| 1510 | // We simply send back the raw complex data, which will be |
| 1511 | // converted to dp in {@link AppWidgetManager#getAppWidgetInfo}. |
| 1512 | TypedValue value = sa |
| 1513 | .peekValue(com.android.internal.R.styleable.AppWidgetProviderInfo_minWidth); |
| 1514 | info.minWidth = value != null ? value.data : 0; |
| 1515 | value = sa.peekValue(com.android.internal.R.styleable.AppWidgetProviderInfo_minHeight); |
| 1516 | info.minHeight = value != null ? value.data : 0; |
| 1517 | value = sa.peekValue( |
| 1518 | com.android.internal.R.styleable.AppWidgetProviderInfo_minResizeWidth); |
| 1519 | info.minResizeWidth = value != null ? value.data : info.minWidth; |
| 1520 | value = sa.peekValue( |
| 1521 | com.android.internal.R.styleable.AppWidgetProviderInfo_minResizeHeight); |
| 1522 | info.minResizeHeight = value != null ? value.data : info.minHeight; |
| 1523 | info.updatePeriodMillis = sa.getInt( |
| 1524 | com.android.internal.R.styleable.AppWidgetProviderInfo_updatePeriodMillis, 0); |
| 1525 | info.initialLayout = sa.getResourceId( |
| 1526 | com.android.internal.R.styleable.AppWidgetProviderInfo_initialLayout, 0); |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1527 | info.initialKeyguardLayout = sa.getResourceId(com.android.internal.R.styleable. |
| 1528 | AppWidgetProviderInfo_initialKeyguardLayout, 0); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1529 | String className = sa |
| 1530 | .getString(com.android.internal.R.styleable.AppWidgetProviderInfo_configure); |
| 1531 | if (className != null) { |
| 1532 | info.configure = new ComponentName(component.getPackageName(), className); |
| 1533 | } |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 1534 | info.label = activityInfo.loadLabel(mContext.getPackageManager()).toString(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1535 | info.icon = ri.getIconResource(); |
| 1536 | info.previewImage = sa.getResourceId( |
| 1537 | com.android.internal.R.styleable.AppWidgetProviderInfo_previewImage, 0); |
| 1538 | info.autoAdvanceViewId = sa.getResourceId( |
| 1539 | com.android.internal.R.styleable.AppWidgetProviderInfo_autoAdvanceViewId, -1); |
| 1540 | info.resizeMode = sa.getInt( |
| 1541 | com.android.internal.R.styleable.AppWidgetProviderInfo_resizeMode, |
| 1542 | AppWidgetProviderInfo.RESIZE_NONE); |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1543 | info.widgetCategory = sa.getInt( |
Michael Jurka | ca5e341 | 2012-09-14 12:18:51 -0700 | [diff] [blame] | 1544 | com.android.internal.R.styleable.AppWidgetProviderInfo_widgetCategory, |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1545 | AppWidgetProviderInfo.WIDGET_CATEGORY_HOME_SCREEN); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1546 | |
| 1547 | sa.recycle(); |
| 1548 | } catch (Exception e) { |
| 1549 | // Ok to catch Exception here, because anything going wrong because |
| 1550 | // of what a client process passes to us should not be fatal for the |
| 1551 | // system process. |
| 1552 | Slog.w(TAG, "XML parsing failed for AppWidget provider '" + component + '\'', e); |
| 1553 | return null; |
| 1554 | } finally { |
| 1555 | if (parser != null) |
| 1556 | parser.close(); |
| 1557 | } |
| 1558 | return p; |
| 1559 | } |
| 1560 | |
| 1561 | int getUidForPackage(String packageName) throws PackageManager.NameNotFoundException { |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 1562 | PackageInfo pkgInfo = null; |
| 1563 | try { |
| 1564 | pkgInfo = mPm.getPackageInfo(packageName, 0, mUserId); |
| 1565 | } catch (RemoteException re) { |
| 1566 | // Shouldn't happen, local call |
| 1567 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1568 | if (pkgInfo == null || pkgInfo.applicationInfo == null) { |
| 1569 | throw new PackageManager.NameNotFoundException(); |
| 1570 | } |
| 1571 | return pkgInfo.applicationInfo.uid; |
| 1572 | } |
| 1573 | |
Jim Miller | f229e4d | 2012-09-12 20:32:50 -0700 | [diff] [blame] | 1574 | int enforceSystemOrCallingUid(String packageName) throws IllegalArgumentException { |
| 1575 | int callingUid = Binder.getCallingUid(); |
Michael Jurka | 03bdc8a | 2012-09-21 16:10:21 -0700 | [diff] [blame] | 1576 | if (UserHandle.getAppId(callingUid) == Process.SYSTEM_UID || callingUid == 0) { |
Jim Miller | f229e4d | 2012-09-12 20:32:50 -0700 | [diff] [blame] | 1577 | return callingUid; |
| 1578 | } |
| 1579 | return enforceCallingUid(packageName); |
| 1580 | } |
| 1581 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1582 | int enforceCallingUid(String packageName) throws IllegalArgumentException { |
| 1583 | int callingUid = Binder.getCallingUid(); |
| 1584 | int packageUid; |
| 1585 | try { |
| 1586 | packageUid = getUidForPackage(packageName); |
| 1587 | } catch (PackageManager.NameNotFoundException ex) { |
| 1588 | throw new IllegalArgumentException("packageName and uid don't match packageName=" |
| 1589 | + packageName); |
| 1590 | } |
Dianne Hackborn | f02b60a | 2012-08-16 10:48:27 -0700 | [diff] [blame] | 1591 | if (!UserHandle.isSameApp(callingUid, packageUid)) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1592 | throw new IllegalArgumentException("packageName and uid don't match packageName=" |
| 1593 | + packageName); |
| 1594 | } |
| 1595 | return callingUid; |
| 1596 | } |
| 1597 | |
| 1598 | void sendInitialBroadcasts() { |
| 1599 | synchronized (mAppWidgetIds) { |
| 1600 | ensureStateLoadedLocked(); |
| 1601 | final int N = mInstalledProviders.size(); |
| 1602 | for (int i = 0; i < N; i++) { |
| 1603 | Provider p = mInstalledProviders.get(i); |
| 1604 | if (p.instances.size() > 0) { |
| 1605 | sendEnableIntentLocked(p); |
| 1606 | int[] appWidgetIds = getAppWidgetIds(p); |
| 1607 | sendUpdateIntentLocked(p, appWidgetIds); |
| 1608 | registerForBroadcastsLocked(p, appWidgetIds); |
| 1609 | } |
| 1610 | } |
| 1611 | } |
| 1612 | } |
| 1613 | |
| 1614 | // only call from initialization -- it assumes that the data structures are all empty |
| 1615 | void loadStateLocked() { |
| 1616 | AtomicFile file = savedStateFile(); |
| 1617 | try { |
| 1618 | FileInputStream stream = file.openRead(); |
| 1619 | readStateFromFileLocked(stream); |
| 1620 | |
| 1621 | if (stream != null) { |
| 1622 | try { |
| 1623 | stream.close(); |
| 1624 | } catch (IOException e) { |
| 1625 | Slog.w(TAG, "Failed to close state FileInputStream " + e); |
| 1626 | } |
| 1627 | } |
| 1628 | } catch (FileNotFoundException e) { |
| 1629 | Slog.w(TAG, "Failed to read state: " + e); |
| 1630 | } |
| 1631 | } |
| 1632 | |
| 1633 | void saveStateLocked() { |
Dianne Hackborn | 119bbc3 | 2013-03-22 17:27:25 -0700 | [diff] [blame] | 1634 | if (!mHasFeature) { |
| 1635 | return; |
| 1636 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1637 | AtomicFile file = savedStateFile(); |
| 1638 | FileOutputStream stream; |
| 1639 | try { |
| 1640 | stream = file.startWrite(); |
| 1641 | if (writeStateToFileLocked(stream)) { |
| 1642 | file.finishWrite(stream); |
| 1643 | } else { |
| 1644 | file.failWrite(stream); |
| 1645 | Slog.w(TAG, "Failed to save state, restoring backup."); |
| 1646 | } |
| 1647 | } catch (IOException e) { |
| 1648 | Slog.w(TAG, "Failed open state file for write: " + e); |
| 1649 | } |
| 1650 | } |
| 1651 | |
| 1652 | boolean writeStateToFileLocked(FileOutputStream stream) { |
| 1653 | int N; |
| 1654 | |
| 1655 | try { |
| 1656 | XmlSerializer out = new FastXmlSerializer(); |
| 1657 | out.setOutput(stream, "utf-8"); |
| 1658 | out.startDocument(null, true); |
| 1659 | out.startTag(null, "gs"); |
Jim Miller | 39d129e | 2013-03-07 16:28:24 -0800 | [diff] [blame] | 1660 | out.attribute(null, "version", String.valueOf(CURRENT_VERSION)); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1661 | int providerIndex = 0; |
| 1662 | N = mInstalledProviders.size(); |
| 1663 | for (int i = 0; i < N; i++) { |
| 1664 | Provider p = mInstalledProviders.get(i); |
| 1665 | if (p.instances.size() > 0) { |
| 1666 | out.startTag(null, "p"); |
| 1667 | out.attribute(null, "pkg", p.info.provider.getPackageName()); |
| 1668 | out.attribute(null, "cl", p.info.provider.getClassName()); |
| 1669 | out.endTag(null, "p"); |
| 1670 | p.tag = providerIndex; |
| 1671 | providerIndex++; |
| 1672 | } |
| 1673 | } |
| 1674 | |
| 1675 | N = mHosts.size(); |
| 1676 | for (int i = 0; i < N; i++) { |
| 1677 | Host host = mHosts.get(i); |
| 1678 | out.startTag(null, "h"); |
| 1679 | out.attribute(null, "pkg", host.packageName); |
| 1680 | out.attribute(null, "id", Integer.toHexString(host.hostId)); |
| 1681 | out.endTag(null, "h"); |
| 1682 | host.tag = i; |
| 1683 | } |
| 1684 | |
| 1685 | N = mAppWidgetIds.size(); |
| 1686 | for (int i = 0; i < N; i++) { |
| 1687 | AppWidgetId id = mAppWidgetIds.get(i); |
| 1688 | out.startTag(null, "g"); |
| 1689 | out.attribute(null, "id", Integer.toHexString(id.appWidgetId)); |
| 1690 | out.attribute(null, "h", Integer.toHexString(id.host.tag)); |
| 1691 | if (id.provider != null) { |
| 1692 | out.attribute(null, "p", Integer.toHexString(id.provider.tag)); |
| 1693 | } |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1694 | if (id.options != null) { |
| 1695 | out.attribute(null, "min_width", Integer.toHexString(id.options.getInt( |
| 1696 | AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH))); |
| 1697 | out.attribute(null, "min_height", Integer.toHexString(id.options.getInt( |
| 1698 | AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT))); |
| 1699 | out.attribute(null, "max_width", Integer.toHexString(id.options.getInt( |
| 1700 | AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH))); |
| 1701 | out.attribute(null, "max_height", Integer.toHexString(id.options.getInt( |
| 1702 | AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT))); |
| 1703 | out.attribute(null, "host_category", Integer.toHexString(id.options.getInt( |
| 1704 | AppWidgetManager.OPTION_APPWIDGET_HOST_CATEGORY))); |
| 1705 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1706 | out.endTag(null, "g"); |
| 1707 | } |
| 1708 | |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 1709 | Iterator<String> it = mPackagesWithBindWidgetPermission.iterator(); |
| 1710 | while (it.hasNext()) { |
| 1711 | out.startTag(null, "b"); |
| 1712 | out.attribute(null, "packageName", it.next()); |
| 1713 | out.endTag(null, "b"); |
| 1714 | } |
| 1715 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1716 | out.endTag(null, "gs"); |
| 1717 | |
| 1718 | out.endDocument(); |
| 1719 | return true; |
| 1720 | } catch (IOException e) { |
| 1721 | Slog.w(TAG, "Failed to write state: " + e); |
| 1722 | return false; |
| 1723 | } |
| 1724 | } |
| 1725 | |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1726 | @SuppressWarnings("unused") |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1727 | void readStateFromFileLocked(FileInputStream stream) { |
| 1728 | boolean success = false; |
Jim Miller | 39d129e | 2013-03-07 16:28:24 -0800 | [diff] [blame] | 1729 | int version = 0; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1730 | try { |
| 1731 | XmlPullParser parser = Xml.newPullParser(); |
| 1732 | parser.setInput(stream, null); |
| 1733 | |
| 1734 | int type; |
| 1735 | int providerIndex = 0; |
| 1736 | HashMap<Integer, Provider> loadedProviders = new HashMap<Integer, Provider>(); |
| 1737 | do { |
| 1738 | type = parser.next(); |
| 1739 | if (type == XmlPullParser.START_TAG) { |
| 1740 | String tag = parser.getName(); |
Jim Miller | 39d129e | 2013-03-07 16:28:24 -0800 | [diff] [blame] | 1741 | if ("gs".equals(tag)) { |
| 1742 | String attributeValue = parser.getAttributeValue(null, "version"); |
| 1743 | try { |
| 1744 | version = Integer.parseInt(attributeValue); |
| 1745 | } catch (NumberFormatException e) { |
| 1746 | version = 0; |
| 1747 | } |
| 1748 | } else if ("p".equals(tag)) { |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1749 | // TODO: do we need to check that this package has the same signature |
| 1750 | // as before? |
| 1751 | String pkg = parser.getAttributeValue(null, "pkg"); |
| 1752 | String cl = parser.getAttributeValue(null, "cl"); |
| 1753 | |
Amith Yamasani | f203aee | 2012-08-29 18:41:53 -0700 | [diff] [blame] | 1754 | final IPackageManager packageManager = AppGlobals.getPackageManager(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1755 | try { |
Amith Yamasani | 8320de8 | 2012-10-05 16:10:38 -0700 | [diff] [blame] | 1756 | packageManager.getReceiverInfo(new ComponentName(pkg, cl), 0, mUserId); |
Amith Yamasani | f203aee | 2012-08-29 18:41:53 -0700 | [diff] [blame] | 1757 | } catch (RemoteException e) { |
| 1758 | String[] pkgs = mContext.getPackageManager() |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1759 | .currentToCanonicalPackageNames(new String[] { pkg }); |
| 1760 | pkg = pkgs[0]; |
| 1761 | } |
| 1762 | |
| 1763 | Provider p = lookupProviderLocked(new ComponentName(pkg, cl)); |
| 1764 | if (p == null && mSafeMode) { |
| 1765 | // if we're in safe mode, make a temporary one |
| 1766 | p = new Provider(); |
| 1767 | p.info = new AppWidgetProviderInfo(); |
| 1768 | p.info.provider = new ComponentName(pkg, cl); |
| 1769 | p.zombie = true; |
| 1770 | mInstalledProviders.add(p); |
| 1771 | } |
| 1772 | if (p != null) { |
| 1773 | // if it wasn't uninstalled or something |
| 1774 | loadedProviders.put(providerIndex, p); |
| 1775 | } |
| 1776 | providerIndex++; |
| 1777 | } else if ("h".equals(tag)) { |
| 1778 | Host host = new Host(); |
| 1779 | |
| 1780 | // TODO: do we need to check that this package has the same signature |
| 1781 | // as before? |
| 1782 | host.packageName = parser.getAttributeValue(null, "pkg"); |
| 1783 | try { |
| 1784 | host.uid = getUidForPackage(host.packageName); |
| 1785 | } catch (PackageManager.NameNotFoundException ex) { |
| 1786 | host.zombie = true; |
| 1787 | } |
| 1788 | if (!host.zombie || mSafeMode) { |
| 1789 | // In safe mode, we don't discard the hosts we don't recognize |
| 1790 | // so that they're not pruned from our list. Otherwise, we do. |
| 1791 | host.hostId = Integer |
| 1792 | .parseInt(parser.getAttributeValue(null, "id"), 16); |
| 1793 | mHosts.add(host); |
| 1794 | } |
Michael Jurka | 61a5b01 | 2012-04-13 10:39:45 -0700 | [diff] [blame] | 1795 | } else if ("b".equals(tag)) { |
| 1796 | String packageName = parser.getAttributeValue(null, "packageName"); |
| 1797 | if (packageName != null) { |
| 1798 | mPackagesWithBindWidgetPermission.add(packageName); |
| 1799 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1800 | } else if ("g".equals(tag)) { |
| 1801 | AppWidgetId id = new AppWidgetId(); |
| 1802 | id.appWidgetId = Integer.parseInt(parser.getAttributeValue(null, "id"), 16); |
| 1803 | if (id.appWidgetId >= mNextAppWidgetId) { |
| 1804 | mNextAppWidgetId = id.appWidgetId + 1; |
| 1805 | } |
| 1806 | |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1807 | Bundle options = new Bundle(); |
| 1808 | String minWidthString = parser.getAttributeValue(null, "min_width"); |
| 1809 | if (minWidthString != null) { |
| 1810 | options.putInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH, |
| 1811 | Integer.parseInt(minWidthString, 16)); |
| 1812 | } |
| 1813 | String minHeightString = parser.getAttributeValue(null, "min_height"); |
Adam Cohen | db38d8a | 2012-09-21 18:14:58 -0700 | [diff] [blame] | 1814 | if (minHeightString != null) { |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1815 | options.putInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT, |
| 1816 | Integer.parseInt(minHeightString, 16)); |
| 1817 | } |
Adam Cohen | db38d8a | 2012-09-21 18:14:58 -0700 | [diff] [blame] | 1818 | String maxWidthString = parser.getAttributeValue(null, "max_width"); |
| 1819 | if (maxWidthString != null) { |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1820 | options.putInt(AppWidgetManager.OPTION_APPWIDGET_MAX_WIDTH, |
| 1821 | Integer.parseInt(maxWidthString, 16)); |
| 1822 | } |
| 1823 | String maxHeightString = parser.getAttributeValue(null, "max_height"); |
Adam Cohen | db38d8a | 2012-09-21 18:14:58 -0700 | [diff] [blame] | 1824 | if (maxHeightString != null) { |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1825 | options.putInt(AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT, |
| 1826 | Integer.parseInt(maxHeightString, 16)); |
| 1827 | } |
| 1828 | String categoryString = parser.getAttributeValue(null, "host_category"); |
Adam Cohen | db38d8a | 2012-09-21 18:14:58 -0700 | [diff] [blame] | 1829 | if (categoryString != null) { |
Adam Cohen | 0aa2d42 | 2012-09-07 17:37:26 -0700 | [diff] [blame] | 1830 | options.putInt(AppWidgetManager.OPTION_APPWIDGET_HOST_CATEGORY, |
| 1831 | Integer.parseInt(categoryString, 16)); |
| 1832 | } |
| 1833 | id.options = options; |
| 1834 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1835 | String providerString = parser.getAttributeValue(null, "p"); |
| 1836 | if (providerString != null) { |
| 1837 | // there's no provider if it hasn't been bound yet. |
| 1838 | // maybe we don't have to save this, but it brings the system |
| 1839 | // to the state it was in. |
| 1840 | int pIndex = Integer.parseInt(providerString, 16); |
| 1841 | id.provider = loadedProviders.get(pIndex); |
| 1842 | if (false) { |
| 1843 | Slog.d(TAG, "bound appWidgetId=" + id.appWidgetId + " to provider " |
| 1844 | + pIndex + " which is " + id.provider); |
| 1845 | } |
| 1846 | if (id.provider == null) { |
| 1847 | // This provider is gone. We just let the host figure out |
| 1848 | // that this happened when it fails to load it. |
| 1849 | continue; |
| 1850 | } |
| 1851 | } |
| 1852 | |
| 1853 | int hIndex = Integer.parseInt(parser.getAttributeValue(null, "h"), 16); |
| 1854 | id.host = mHosts.get(hIndex); |
| 1855 | if (id.host == null) { |
| 1856 | // This host is gone. |
| 1857 | continue; |
| 1858 | } |
| 1859 | |
| 1860 | if (id.provider != null) { |
| 1861 | id.provider.instances.add(id); |
| 1862 | } |
| 1863 | id.host.instances.add(id); |
| 1864 | mAppWidgetIds.add(id); |
| 1865 | } |
| 1866 | } |
| 1867 | } while (type != XmlPullParser.END_DOCUMENT); |
| 1868 | success = true; |
| 1869 | } catch (NullPointerException e) { |
| 1870 | Slog.w(TAG, "failed parsing " + e); |
| 1871 | } catch (NumberFormatException e) { |
| 1872 | Slog.w(TAG, "failed parsing " + e); |
| 1873 | } catch (XmlPullParserException e) { |
| 1874 | Slog.w(TAG, "failed parsing " + e); |
| 1875 | } catch (IOException e) { |
| 1876 | Slog.w(TAG, "failed parsing " + e); |
| 1877 | } catch (IndexOutOfBoundsException e) { |
| 1878 | Slog.w(TAG, "failed parsing " + e); |
| 1879 | } |
| 1880 | |
| 1881 | if (success) { |
| 1882 | // delete any hosts that didn't manage to get connected (should happen) |
| 1883 | // if it matters, they'll be reconnected. |
| 1884 | for (int i = mHosts.size() - 1; i >= 0; i--) { |
| 1885 | pruneHostLocked(mHosts.get(i)); |
| 1886 | } |
Jim Miller | 39d129e | 2013-03-07 16:28:24 -0800 | [diff] [blame] | 1887 | // upgrade the database if needed |
| 1888 | performUpgrade(version); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1889 | } else { |
| 1890 | // failed reading, clean up |
| 1891 | Slog.w(TAG, "Failed to read state, clearing widgets and hosts."); |
| 1892 | |
| 1893 | mAppWidgetIds.clear(); |
| 1894 | mHosts.clear(); |
| 1895 | final int N = mInstalledProviders.size(); |
| 1896 | for (int i = 0; i < N; i++) { |
| 1897 | mInstalledProviders.get(i).instances.clear(); |
| 1898 | } |
| 1899 | } |
| 1900 | } |
| 1901 | |
Jim Miller | 39d129e | 2013-03-07 16:28:24 -0800 | [diff] [blame] | 1902 | private void performUpgrade(int fromVersion) { |
| 1903 | if (fromVersion < CURRENT_VERSION) { |
| 1904 | Slog.v(TAG, "Upgrading widget database from " + fromVersion + " to " + CURRENT_VERSION |
| 1905 | + " for user " + mUserId); |
| 1906 | } |
| 1907 | |
| 1908 | int version = fromVersion; |
| 1909 | |
| 1910 | // Update 1: keyguard moved from package "android" to "com.android.keyguard" |
| 1911 | if (version == 0) { |
| 1912 | for (int i = 0; i < mHosts.size(); i++) { |
| 1913 | Host host = mHosts.get(i); |
| 1914 | if (host != null && "android".equals(host.packageName) |
| 1915 | && host.hostId == KEYGUARD_HOST_ID) { |
| 1916 | host.packageName = KEYGUARD_HOST_PACKAGE; |
| 1917 | } |
| 1918 | } |
| 1919 | version = 1; |
| 1920 | } |
| 1921 | |
| 1922 | if (version != CURRENT_VERSION) { |
| 1923 | throw new IllegalStateException("Failed to upgrade widget database"); |
| 1924 | } |
| 1925 | } |
| 1926 | |
Amith Yamasani | 1359360 | 2012-03-22 16:16:17 -0700 | [diff] [blame] | 1927 | static File getSettingsFile(int userId) { |
Amith Yamasani | 61f5737 | 2012-08-31 12:12:28 -0700 | [diff] [blame] | 1928 | return new File(Environment.getUserSystemDirectory(userId), SETTINGS_FILENAME); |
Amith Yamasani | 1359360 | 2012-03-22 16:16:17 -0700 | [diff] [blame] | 1929 | } |
| 1930 | |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1931 | AtomicFile savedStateFile() { |
Amith Yamasani | 61f5737 | 2012-08-31 12:12:28 -0700 | [diff] [blame] | 1932 | File dir = Environment.getUserSystemDirectory(mUserId); |
Amith Yamasani | 1359360 | 2012-03-22 16:16:17 -0700 | [diff] [blame] | 1933 | File settingsFile = getSettingsFile(mUserId); |
Amith Yamasani | e0eb39b | 2012-05-01 13:48:48 -0700 | [diff] [blame] | 1934 | if (!settingsFile.exists() && mUserId == 0) { |
| 1935 | if (!dir.exists()) { |
| 1936 | dir.mkdirs(); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1937 | } |
Amith Yamasani | e0eb39b | 2012-05-01 13:48:48 -0700 | [diff] [blame] | 1938 | // Migrate old data |
| 1939 | File oldFile = new File("/data/system/" + SETTINGS_FILENAME); |
| 1940 | // Method doesn't throw an exception on failure. Ignore any errors |
| 1941 | // in moving the file (like non-existence) |
| 1942 | oldFile.renameTo(settingsFile); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1943 | } |
| 1944 | return new AtomicFile(settingsFile); |
| 1945 | } |
| 1946 | |
Amith Yamasani | 756901d | 2012-10-12 12:30:07 -0700 | [diff] [blame] | 1947 | void onUserStopping() { |
Amith Yamasani | 1359360 | 2012-03-22 16:16:17 -0700 | [diff] [blame] | 1948 | // prune the ones we don't want to keep |
| 1949 | int N = mInstalledProviders.size(); |
| 1950 | for (int i = N - 1; i >= 0; i--) { |
| 1951 | Provider p = mInstalledProviders.get(i); |
| 1952 | cancelBroadcasts(p); |
| 1953 | } |
Amith Yamasani | 756901d | 2012-10-12 12:30:07 -0700 | [diff] [blame] | 1954 | } |
| 1955 | |
| 1956 | void onUserRemoved() { |
Amith Yamasani | 1359360 | 2012-03-22 16:16:17 -0700 | [diff] [blame] | 1957 | getSettingsFile(mUserId).delete(); |
| 1958 | } |
| 1959 | |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 1960 | boolean addProvidersForPackageLocked(String pkgName) { |
| 1961 | boolean providersAdded = false; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1962 | Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); |
| 1963 | intent.setPackage(pkgName); |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 1964 | List<ResolveInfo> broadcastReceivers; |
| 1965 | try { |
| 1966 | broadcastReceivers = mPm.queryIntentReceivers(intent, |
| 1967 | intent.resolveTypeIfNeeded(mContext.getContentResolver()), |
| 1968 | PackageManager.GET_META_DATA, mUserId); |
| 1969 | } catch (RemoteException re) { |
| 1970 | // Shouldn't happen, local call |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 1971 | return false; |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 1972 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1973 | final int N = broadcastReceivers == null ? 0 : broadcastReceivers.size(); |
| 1974 | for (int i = 0; i < N; i++) { |
| 1975 | ResolveInfo ri = broadcastReceivers.get(i); |
| 1976 | ActivityInfo ai = ri.activityInfo; |
| 1977 | if ((ai.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { |
| 1978 | continue; |
| 1979 | } |
| 1980 | if (pkgName.equals(ai.packageName)) { |
| 1981 | addProviderLocked(ri); |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 1982 | providersAdded = true; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1983 | } |
| 1984 | } |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 1985 | |
| 1986 | return providersAdded; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1987 | } |
| 1988 | |
Winson Chung | a319505 | 2012-06-25 10:02:10 -0700 | [diff] [blame] | 1989 | /** |
| 1990 | * Updates all providers with the specified package names, and records any providers that were |
| 1991 | * pruned. |
| 1992 | * |
| 1993 | * @return whether any providers were updated |
| 1994 | */ |
| 1995 | boolean updateProvidersForPackageLocked(String pkgName, Set<ComponentName> removedProviders) { |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 1996 | boolean providersUpdated = false; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 1997 | HashSet<String> keep = new HashSet<String>(); |
| 1998 | Intent intent = new Intent(AppWidgetManager.ACTION_APPWIDGET_UPDATE); |
| 1999 | intent.setPackage(pkgName); |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 2000 | List<ResolveInfo> broadcastReceivers; |
| 2001 | try { |
| 2002 | broadcastReceivers = mPm.queryIntentReceivers(intent, |
| 2003 | intent.resolveTypeIfNeeded(mContext.getContentResolver()), |
| 2004 | PackageManager.GET_META_DATA, mUserId); |
| 2005 | } catch (RemoteException re) { |
| 2006 | // Shouldn't happen, local call |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 2007 | return false; |
Amith Yamasani | 483f3b0 | 2012-03-13 16:08:00 -0700 | [diff] [blame] | 2008 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2009 | |
| 2010 | // add the missing ones and collect which ones to keep |
| 2011 | int N = broadcastReceivers == null ? 0 : broadcastReceivers.size(); |
| 2012 | for (int i = 0; i < N; i++) { |
| 2013 | ResolveInfo ri = broadcastReceivers.get(i); |
| 2014 | ActivityInfo ai = ri.activityInfo; |
| 2015 | if ((ai.applicationInfo.flags & ApplicationInfo.FLAG_EXTERNAL_STORAGE) != 0) { |
| 2016 | continue; |
| 2017 | } |
| 2018 | if (pkgName.equals(ai.packageName)) { |
| 2019 | ComponentName component = new ComponentName(ai.packageName, ai.name); |
| 2020 | Provider p = lookupProviderLocked(component); |
| 2021 | if (p == null) { |
| 2022 | if (addProviderLocked(ri)) { |
| 2023 | keep.add(ai.name); |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 2024 | providersUpdated = true; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2025 | } |
| 2026 | } else { |
| 2027 | Provider parsed = parseProviderInfoXml(component, ri); |
| 2028 | if (parsed != null) { |
| 2029 | keep.add(ai.name); |
| 2030 | // Use the new AppWidgetProviderInfo. |
| 2031 | p.info = parsed.info; |
| 2032 | // If it's enabled |
| 2033 | final int M = p.instances.size(); |
| 2034 | if (M > 0) { |
| 2035 | int[] appWidgetIds = getAppWidgetIds(p); |
| 2036 | // Reschedule for the new updatePeriodMillis (don't worry about handling |
| 2037 | // it specially if updatePeriodMillis didn't change because we just sent |
| 2038 | // an update, and the next one will be updatePeriodMillis from now). |
| 2039 | cancelBroadcasts(p); |
| 2040 | registerForBroadcastsLocked(p, appWidgetIds); |
| 2041 | // If it's currently showing, call back with the new |
| 2042 | // AppWidgetProviderInfo. |
| 2043 | for (int j = 0; j < M; j++) { |
| 2044 | AppWidgetId id = p.instances.get(j); |
| 2045 | id.views = null; |
| 2046 | if (id.host != null && id.host.callbacks != null) { |
| 2047 | try { |
Jim Miller | a75a883 | 2013-02-07 16:53:32 -0800 | [diff] [blame] | 2048 | id.host.callbacks.providerChanged(id.appWidgetId, p.info, |
| 2049 | mUserId); |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2050 | } catch (RemoteException ex) { |
| 2051 | // It failed; remove the callback. No need to prune because |
| 2052 | // we know that this host is still referenced by this |
| 2053 | // instance. |
| 2054 | id.host.callbacks = null; |
| 2055 | } |
| 2056 | } |
| 2057 | } |
| 2058 | // Now that we've told the host, push out an update. |
| 2059 | sendUpdateIntentLocked(p, appWidgetIds); |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 2060 | providersUpdated = true; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2061 | } |
| 2062 | } |
| 2063 | } |
| 2064 | } |
| 2065 | } |
| 2066 | |
| 2067 | // prune the ones we don't want to keep |
| 2068 | N = mInstalledProviders.size(); |
| 2069 | for (int i = N - 1; i >= 0; i--) { |
| 2070 | Provider p = mInstalledProviders.get(i); |
| 2071 | if (pkgName.equals(p.info.provider.getPackageName()) |
| 2072 | && !keep.contains(p.info.provider.getClassName())) { |
Winson Chung | a319505 | 2012-06-25 10:02:10 -0700 | [diff] [blame] | 2073 | if (removedProviders != null) { |
| 2074 | removedProviders.add(p.info.provider); |
| 2075 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2076 | removeProviderLocked(i, p); |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 2077 | providersUpdated = true; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2078 | } |
| 2079 | } |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 2080 | |
| 2081 | return providersUpdated; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2082 | } |
| 2083 | |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 2084 | boolean removeProvidersForPackageLocked(String pkgName) { |
| 2085 | boolean providersRemoved = false; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2086 | int N = mInstalledProviders.size(); |
| 2087 | for (int i = N - 1; i >= 0; i--) { |
| 2088 | Provider p = mInstalledProviders.get(i); |
| 2089 | if (pkgName.equals(p.info.provider.getPackageName())) { |
| 2090 | removeProviderLocked(i, p); |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 2091 | providersRemoved = true; |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2092 | } |
| 2093 | } |
| 2094 | |
| 2095 | // Delete the hosts for this package too |
| 2096 | // |
| 2097 | // By now, we have removed any AppWidgets that were in any hosts here, |
| 2098 | // so we don't need to worry about sending DISABLE broadcasts to them. |
| 2099 | N = mHosts.size(); |
| 2100 | for (int i = N - 1; i >= 0; i--) { |
| 2101 | Host host = mHosts.get(i); |
| 2102 | if (pkgName.equals(host.packageName)) { |
| 2103 | deleteHostLocked(host); |
| 2104 | } |
| 2105 | } |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 2106 | |
| 2107 | return providersRemoved; |
| 2108 | } |
| 2109 | |
| 2110 | void notifyHostsForProvidersChangedLocked() { |
| 2111 | final int N = mHosts.size(); |
| 2112 | for (int i = N - 1; i >= 0; i--) { |
| 2113 | Host host = mHosts.get(i); |
| 2114 | try { |
| 2115 | if (host.callbacks != null) { |
Jim Miller | a75a883 | 2013-02-07 16:53:32 -0800 | [diff] [blame] | 2116 | host.callbacks.providersChanged(mUserId); |
Winson Chung | 7fbd284 | 2012-06-13 10:35:51 -0700 | [diff] [blame] | 2117 | } |
| 2118 | } catch (RemoteException ex) { |
| 2119 | // It failed; remove the callback. No need to prune because |
| 2120 | // we know that this host is still referenced by this |
| 2121 | // instance. |
| 2122 | host.callbacks = null; |
| 2123 | } |
| 2124 | } |
Amith Yamasani | 742a671 | 2011-05-04 14:49:28 -0700 | [diff] [blame] | 2125 | } |
| 2126 | } |