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android / platform / frameworks / base / 2e86809b6c79375d23c0975914efc3b66e89ac90 / . / core / java / android / app / ContextImpl.java
blob: 0cd1f3ac82b9d7f48e50f2f3a6b38a4b5619c940 [file] [log] [blame]
/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.app;
import com.android.internal.policy.PolicyManager;
import com.android.internal.util.XmlUtils;
import com.google.android.collect.Maps;
import org.xmlpull.v1.XmlPullParserException;
import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.ContentResolver;
import android.content.Context;
import android.content.ContextWrapper;
import android.content.IContentProvider;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IIntentReceiver;
import android.content.IntentSender;
import android.content.ReceiverCallNotAllowedException;
import android.content.ServiceConnection;
import android.content.SharedPreferences;
import android.content.pm.ActivityInfo;
import android.content.pm.ApplicationInfo;
import android.content.pm.ComponentInfo;
import android.content.pm.FeatureInfo;
import android.content.pm.IPackageDataObserver;
import android.content.pm.IPackageDeleteObserver;
import android.content.pm.IPackageInstallObserver;
import android.content.pm.IPackageMoveObserver;
import android.content.pm.IPackageManager;
import android.content.pm.IPackageStatsObserver;
import android.content.pm.InstrumentationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PermissionGroupInfo;
import android.content.pm.PermissionInfo;
import android.content.pm.ProviderInfo;
import android.content.pm.ResolveInfo;
import android.content.pm.ServiceInfo;
import android.content.pm.PackageParser.Package;
import android.content.res.AssetManager;
import android.content.res.Resources;
import android.content.res.XmlResourceParser;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteDatabase.CursorFactory;
import android.graphics.Bitmap;
import android.graphics.drawable.Drawable;
import android.hardware.SensorManager;
import android.location.ILocationManager;
import android.location.LocationManager;
import android.media.AudioManager;
import android.net.ConnectivityManager;
import android.net.IConnectivityManager;
import android.net.DownloadManager;
import android.net.ThrottleManager;
import android.net.IThrottleManager;
import android.net.Uri;
import android.net.wifi.IWifiManager;
import android.net.wifi.WifiManager;
import android.os.Binder;
import android.os.Bundle;
import android.os.DropBoxManager;
import android.os.Environment;
import android.os.FileUtils;
import android.os.Handler;
import android.os.IBinder;
import android.os.IPowerManager;
import android.os.Looper;
import android.os.PowerManager;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.StatFs;
import android.os.Vibrator;
import android.os.FileUtils.FileStatus;
import android.os.storage.StorageManager;
import android.provider.Settings;
import android.telephony.TelephonyManager;
import android.text.ClipboardManager;
import android.util.AndroidRuntimeException;
import android.util.Log;
import android.view.ContextThemeWrapper;
import android.view.LayoutInflater;
import android.view.WindowManagerImpl;
import android.view.accessibility.AccessibilityManager;
import android.view.inputmethod.InputMethodManager;
import android.accounts.AccountManager;
import android.accounts.IAccountManager;
import android.app.admin.DevicePolicyManager;
import com.android.internal.os.IDropBoxManagerService;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import java.util.WeakHashMap;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.atomic.AtomicBoolean;
class ReceiverRestrictedContext extends ContextWrapper {
ReceiverRestrictedContext(Context base) {
super(base);
}
@Override
public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
return registerReceiver(receiver, filter, null, null);
}
@Override
public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter,
String broadcastPermission, Handler scheduler) {
throw new ReceiverCallNotAllowedException(
"IntentReceiver components are not allowed to register to receive intents");
//ex.fillInStackTrace();
//Log.e("IntentReceiver", ex.getMessage(), ex);
//return mContext.registerReceiver(receiver, filter, broadcastPermission,
// scheduler);
}
@Override
public boolean bindService(Intent service, ServiceConnection conn, int flags) {
throw new ReceiverCallNotAllowedException(
"IntentReceiver components are not allowed to bind to services");
//ex.fillInStackTrace();
//Log.e("IntentReceiver", ex.getMessage(), ex);
//return mContext.bindService(service, interfaceName, conn, flags);
}
}
/**
* Common implementation of Context API, which provides the base
* context object for Activity and other application components.
*/
class ContextImpl extends Context {
private final static String TAG = "ApplicationContext";
private final static boolean DEBUG = false;
private final static boolean DEBUG_ICONS = false;
private static final Object sSync = new Object();
private static AlarmManager sAlarmManager;
private static PowerManager sPowerManager;
private static ConnectivityManager sConnectivityManager;
private static ThrottleManager sThrottleManager;
private static WifiManager sWifiManager;
private static LocationManager sLocationManager;
private static final HashMap<String, SharedPreferencesImpl> sSharedPrefs =
new HashMap<String, SharedPreferencesImpl>();
private AudioManager mAudioManager;
/*package*/ LoadedApk mPackageInfo;
private Resources mResources;
/*package*/ ActivityThread mMainThread;
private Context mOuterContext;
private IBinder mActivityToken = null;
private ApplicationContentResolver mContentResolver;
private int mThemeResource = 0;
private Resources.Theme mTheme = null;
private PackageManager mPackageManager;
private NotificationManager mNotificationManager = null;
private ActivityManager mActivityManager = null;
private WallpaperManager mWallpaperManager = null;
private Context mReceiverRestrictedContext = null;
private SearchManager mSearchManager = null;
private SensorManager mSensorManager = null;
private StorageManager mStorageManager = null;
private Vibrator mVibrator = null;
private LayoutInflater mLayoutInflater = null;
private StatusBarManager mStatusBarManager = null;
private TelephonyManager mTelephonyManager = null;
private ClipboardManager mClipboardManager = null;
private boolean mRestricted;
private AccountManager mAccountManager; // protected by mSync
private DropBoxManager mDropBoxManager = null;
private DevicePolicyManager mDevicePolicyManager = null;
private UiModeManager mUiModeManager = null;
private DownloadManager mDownloadManager = null;
private final Object mSync = new Object();
private File mDatabasesDir;
private File mPreferencesDir;
private File mFilesDir;
private File mCacheDir;
private File mExternalFilesDir;
private File mExternalCacheDir;
private static long sInstanceCount = 0;
private static final String[] EMPTY_FILE_LIST = {};
// For debug only
/*
@Override
protected void finalize() throws Throwable {
super.finalize();
--sInstanceCount;
}
*/
public static long getInstanceCount() {
return sInstanceCount;
}
@Override
public AssetManager getAssets() {
return mResources.getAssets();
}
@Override
public Resources getResources() {
return mResources;
}
@Override
public PackageManager getPackageManager() {
if (mPackageManager != null) {
return mPackageManager;
}
IPackageManager pm = ActivityThread.getPackageManager();
if (pm != null) {
// Doesn't matter if we make more than one instance.
return (mPackageManager = new ApplicationPackageManager(this, pm));
}
return null;
}
@Override
public ContentResolver getContentResolver() {
return mContentResolver;
}
@Override
public Looper getMainLooper() {
return mMainThread.getLooper();
}
@Override
public Context getApplicationContext() {
return (mPackageInfo != null) ?
mPackageInfo.getApplication() : mMainThread.getApplication();
}
@Override
public void setTheme(int resid) {
mThemeResource = resid;
}
@Override
public Resources.Theme getTheme() {
if (mTheme == null) {
if (mThemeResource == 0) {
mThemeResource = com.android.internal.R.style.Theme;
}
mTheme = mResources.newTheme();
mTheme.applyStyle(mThemeResource, true);
}
return mTheme;
}
@Override
public ClassLoader getClassLoader() {
return mPackageInfo != null ?
mPackageInfo.getClassLoader() : ClassLoader.getSystemClassLoader();
}
@Override
public String getPackageName() {
if (mPackageInfo != null) {
return mPackageInfo.getPackageName();
}
throw new RuntimeException("Not supported in system context");
}
@Override
public ApplicationInfo getApplicationInfo() {
if (mPackageInfo != null) {
return mPackageInfo.getApplicationInfo();
}
throw new RuntimeException("Not supported in system context");
}
@Override
public String getPackageResourcePath() {
if (mPackageInfo != null) {
return mPackageInfo.getResDir();
}
throw new RuntimeException("Not supported in system context");
}
@Override
public String getPackageCodePath() {
if (mPackageInfo != null) {
return mPackageInfo.getAppDir();
}
throw new RuntimeException("Not supported in system context");
}
private static File makeBackupFile(File prefsFile) {
return new File(prefsFile.getPath() + ".bak");
}
public File getSharedPrefsFile(String name) {
return makeFilename(getPreferencesDir(), name + ".xml");
}
@Override
public SharedPreferences getSharedPreferences(String name, int mode) {
SharedPreferencesImpl sp;
synchronized (sSharedPrefs) {
sp = sSharedPrefs.get(name);
if (sp != null && !sp.hasFileChanged()) {
//Log.i(TAG, "Returning existing prefs " + name + ": " + sp);
return sp;
}
}
File f = getSharedPrefsFile(name);
FileInputStream str = null;
File backup = makeBackupFile(f);
if (backup.exists()) {
f.delete();
backup.renameTo(f);
}
// Debugging
if (f.exists() && !f.canRead()) {
Log.w(TAG, "Attempt to read preferences file " + f + " without permission");
}
Map map = null;
if (f.exists() && f.canRead()) {
try {
str = new FileInputStream(f);
map = XmlUtils.readMapXml(str);
str.close();
} catch (org.xmlpull.v1.XmlPullParserException e) {
Log.w(TAG, "getSharedPreferences", e);
} catch (FileNotFoundException e) {
Log.w(TAG, "getSharedPreferences", e);
} catch (IOException e) {
Log.w(TAG, "getSharedPreferences", e);
}
}
synchronized (sSharedPrefs) {
if (sp != null) {
//Log.i(TAG, "Updating existing prefs " + name + " " + sp + ": " + map);
sp.replace(map);
} else {
sp = sSharedPrefs.get(name);
if (sp == null) {
sp = new SharedPreferencesImpl(f, mode, map);
sSharedPrefs.put(name, sp);
}
}
return sp;
}
}
private File getPreferencesDir() {
synchronized (mSync) {
if (mPreferencesDir == null) {
mPreferencesDir = new File(getDataDirFile(), "shared_prefs");
}
return mPreferencesDir;
}
}
@Override
public FileInputStream openFileInput(String name)
throws FileNotFoundException {
File f = makeFilename(getFilesDir(), name);
return new FileInputStream(f);
}
@Override
public FileOutputStream openFileOutput(String name, int mode)
throws FileNotFoundException {
final boolean append = (mode&MODE_APPEND) != 0;
File f = makeFilename(getFilesDir(), name);
try {
FileOutputStream fos = new FileOutputStream(f, append);
setFilePermissionsFromMode(f.getPath(), mode, 0);
return fos;
} catch (FileNotFoundException e) {
}
File parent = f.getParentFile();
parent.mkdir();
FileUtils.setPermissions(
parent.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
FileOutputStream fos = new FileOutputStream(f, append);
setFilePermissionsFromMode(f.getPath(), mode, 0);
return fos;
}
@Override
public boolean deleteFile(String name) {
File f = makeFilename(getFilesDir(), name);
return f.delete();
}
@Override
public File getFilesDir() {
synchronized (mSync) {
if (mFilesDir == null) {
mFilesDir = new File(getDataDirFile(), "files");
}
if (!mFilesDir.exists()) {
if(!mFilesDir.mkdirs()) {
Log.w(TAG, "Unable to create files directory");
return null;
}
FileUtils.setPermissions(
mFilesDir.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
}
return mFilesDir;
}
}
@Override
public File getExternalFilesDir(String type) {
synchronized (mSync) {
if (mExternalFilesDir == null) {
mExternalFilesDir = Environment.getExternalStorageAppFilesDirectory(
getPackageName());
}
if (!mExternalFilesDir.exists()) {
try {
(new File(Environment.getExternalStorageAndroidDataDir(),
".nomedia")).createNewFile();
} catch (IOException e) {
}
if (!mExternalFilesDir.mkdirs()) {
Log.w(TAG, "Unable to create external files directory");
return null;
}
}
if (type == null) {
return mExternalFilesDir;
}
File dir = new File(mExternalFilesDir, type);
if (!dir.exists()) {
if (!dir.mkdirs()) {
Log.w(TAG, "Unable to create external media directory " + dir);
return null;
}
}
return dir;
}
}
@Override
public File getCacheDir() {
synchronized (mSync) {
if (mCacheDir == null) {
mCacheDir = new File(getDataDirFile(), "cache");
}
if (!mCacheDir.exists()) {
if(!mCacheDir.mkdirs()) {
Log.w(TAG, "Unable to create cache directory");
return null;
}
FileUtils.setPermissions(
mCacheDir.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
}
}
return mCacheDir;
}
@Override
public File getExternalCacheDir() {
synchronized (mSync) {
if (mExternalCacheDir == null) {
mExternalCacheDir = Environment.getExternalStorageAppCacheDirectory(
getPackageName());
}
if (!mExternalCacheDir.exists()) {
try {
(new File(Environment.getExternalStorageAndroidDataDir(),
".nomedia")).createNewFile();
} catch (IOException e) {
}
if (!mExternalCacheDir.mkdirs()) {
Log.w(TAG, "Unable to create external cache directory");
return null;
}
}
return mExternalCacheDir;
}
}
@Override
public File getFileStreamPath(String name) {
return makeFilename(getFilesDir(), name);
}
@Override
public String[] fileList() {
final String[] list = getFilesDir().list();
return (list != null) ? list : EMPTY_FILE_LIST;
}
@Override
public SQLiteDatabase openOrCreateDatabase(String name, int mode, CursorFactory factory) {
File f = validateFilePath(name, true);
SQLiteDatabase db = SQLiteDatabase.openOrCreateDatabase(f, factory);
setFilePermissionsFromMode(f.getPath(), mode, 0);
return db;
}
@Override
public boolean deleteDatabase(String name) {
try {
File f = validateFilePath(name, false);
return f.delete();
} catch (Exception e) {
}
return false;
}
@Override
public File getDatabasePath(String name) {
return validateFilePath(name, false);
}
@Override
public String[] databaseList() {
final String[] list = getDatabasesDir().list();
return (list != null) ? list : EMPTY_FILE_LIST;
}
private File getDatabasesDir() {
synchronized (mSync) {
if (mDatabasesDir == null) {
mDatabasesDir = new File(getDataDirFile(), "databases");
}
if (mDatabasesDir.getPath().equals("databases")) {
mDatabasesDir = new File("/data/system");
}
return mDatabasesDir;
}
}
@Override
public Drawable getWallpaper() {
return getWallpaperManager().getDrawable();
}
@Override
public Drawable peekWallpaper() {
return getWallpaperManager().peekDrawable();
}
@Override
public int getWallpaperDesiredMinimumWidth() {
return getWallpaperManager().getDesiredMinimumWidth();
}
@Override
public int getWallpaperDesiredMinimumHeight() {
return getWallpaperManager().getDesiredMinimumHeight();
}
@Override
public void setWallpaper(Bitmap bitmap) throws IOException {
getWallpaperManager().setBitmap(bitmap);
}
@Override
public void setWallpaper(InputStream data) throws IOException {
getWallpaperManager().setStream(data);
}
@Override
public void clearWallpaper() throws IOException {
getWallpaperManager().clear();
}
@Override
public void startActivity(Intent intent) {
if ((intent.getFlags()&Intent.FLAG_ACTIVITY_NEW_TASK) == 0) {
throw new AndroidRuntimeException(
"Calling startActivity() from outside of an Activity "
+ " context requires the FLAG_ACTIVITY_NEW_TASK flag."
+ " Is this really what you want?");
}
mMainThread.getInstrumentation().execStartActivity(
getOuterContext(), mMainThread.getApplicationThread(), null, null, intent, -1);
}
@Override
public void startIntentSender(IntentSender intent,
Intent fillInIntent, int flagsMask, int flagsValues, int extraFlags)
throws IntentSender.SendIntentException {
try {
String resolvedType = null;
if (fillInIntent != null) {
resolvedType = fillInIntent.resolveTypeIfNeeded(getContentResolver());
}
int result = ActivityManagerNative.getDefault()
.startActivityIntentSender(mMainThread.getApplicationThread(), intent,
fillInIntent, resolvedType, null, null,
0, flagsMask, flagsValues);
if (result == IActivityManager.START_CANCELED) {
throw new IntentSender.SendIntentException();
}
Instrumentation.checkStartActivityResult(result, null);
} catch (RemoteException e) {
}
}
@Override
public void sendBroadcast(Intent intent) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, null, false, false);
} catch (RemoteException e) {
}
}
@Override
public void sendBroadcast(Intent intent, String receiverPermission) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermission, false, false);
} catch (RemoteException e) {
}
}
@Override
public void sendOrderedBroadcast(Intent intent,
String receiverPermission) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, receiverPermission, true, false);
} catch (RemoteException e) {
}
}
@Override
public void sendOrderedBroadcast(Intent intent,
String receiverPermission, BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
IIntentReceiver rd = null;
if (resultReceiver != null) {
if (mPackageInfo != null) {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = mPackageInfo.getReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler,
mMainThread.getInstrumentation(), false);
} else {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = new LoadedApk.ReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver();
}
}
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, receiverPermission,
true, false);
} catch (RemoteException e) {
}
}
@Override
public void sendStickyBroadcast(Intent intent) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, null,
Activity.RESULT_OK, null, null, null, false, true);
} catch (RemoteException e) {
}
}
@Override
public void sendStickyOrderedBroadcast(Intent intent,
BroadcastReceiver resultReceiver,
Handler scheduler, int initialCode, String initialData,
Bundle initialExtras) {
IIntentReceiver rd = null;
if (resultReceiver != null) {
if (mPackageInfo != null) {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = mPackageInfo.getReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler,
mMainThread.getInstrumentation(), false);
} else {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = new LoadedApk.ReceiverDispatcher(
resultReceiver, getOuterContext(), scheduler, null, false).getIIntentReceiver();
}
}
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
try {
ActivityManagerNative.getDefault().broadcastIntent(
mMainThread.getApplicationThread(), intent, resolvedType, rd,
initialCode, initialData, initialExtras, null,
true, true);
} catch (RemoteException e) {
}
}
@Override
public void removeStickyBroadcast(Intent intent) {
String resolvedType = intent.resolveTypeIfNeeded(getContentResolver());
if (resolvedType != null) {
intent = new Intent(intent);
intent.setDataAndType(intent.getData(), resolvedType);
}
try {
ActivityManagerNative.getDefault().unbroadcastIntent(
mMainThread.getApplicationThread(), intent);
} catch (RemoteException e) {
}
}
@Override
public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
return registerReceiver(receiver, filter, null, null);
}
@Override
public Intent registerReceiver(BroadcastReceiver receiver, IntentFilter filter,
String broadcastPermission, Handler scheduler) {
return registerReceiverInternal(receiver, filter, broadcastPermission,
scheduler, getOuterContext());
}
private Intent registerReceiverInternal(BroadcastReceiver receiver,
IntentFilter filter, String broadcastPermission,
Handler scheduler, Context context) {
IIntentReceiver rd = null;
if (receiver != null) {
if (mPackageInfo != null && context != null) {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = mPackageInfo.getReceiverDispatcher(
receiver, context, scheduler,
mMainThread.getInstrumentation(), true);
} else {
if (scheduler == null) {
scheduler = mMainThread.getHandler();
}
rd = new LoadedApk.ReceiverDispatcher(
receiver, context, scheduler, null, true).getIIntentReceiver();
}
}
try {
return ActivityManagerNative.getDefault().registerReceiver(
mMainThread.getApplicationThread(),
rd, filter, broadcastPermission);
} catch (RemoteException e) {
return null;
}
}
@Override
public void unregisterReceiver(BroadcastReceiver receiver) {
if (mPackageInfo != null) {
IIntentReceiver rd = mPackageInfo.forgetReceiverDispatcher(
getOuterContext(), receiver);
try {
ActivityManagerNative.getDefault().unregisterReceiver(rd);
} catch (RemoteException e) {
}
} else {
throw new RuntimeException("Not supported in system context");
}
}
@Override
public ComponentName startService(Intent service) {
try {
ComponentName cn = ActivityManagerNative.getDefault().startService(
mMainThread.getApplicationThread(), service,
service.resolveTypeIfNeeded(getContentResolver()));
if (cn != null && cn.getPackageName().equals("!")) {
throw new SecurityException(
"Not allowed to start service " + service
+ " without permission " + cn.getClassName());
}
return cn;
} catch (RemoteException e) {
return null;
}
}
@Override
public boolean stopService(Intent service) {
try {
int res = ActivityManagerNative.getDefault().stopService(
mMainThread.getApplicationThread(), service,
service.resolveTypeIfNeeded(getContentResolver()));
if (res < 0) {
throw new SecurityException(
"Not allowed to stop service " + service);
}
return res != 0;
} catch (RemoteException e) {
return false;
}
}
@Override
public boolean bindService(Intent service, ServiceConnection conn,
int flags) {
IServiceConnection sd;
if (mPackageInfo != null) {
sd = mPackageInfo.getServiceDispatcher(conn, getOuterContext(),
mMainThread.getHandler(), flags);
} else {
throw new RuntimeException("Not supported in system context");
}
try {
int res = ActivityManagerNative.getDefault().bindService(
mMainThread.getApplicationThread(), getActivityToken(),
service, service.resolveTypeIfNeeded(getContentResolver()),
sd, flags);
if (res < 0) {
throw new SecurityException(
"Not allowed to bind to service " + service);
}
return res != 0;
} catch (RemoteException e) {
return false;
}
}
@Override
public void unbindService(ServiceConnection conn) {
if (mPackageInfo != null) {
IServiceConnection sd = mPackageInfo.forgetServiceDispatcher(
getOuterContext(), conn);
try {
ActivityManagerNative.getDefault().unbindService(sd);
} catch (RemoteException e) {
}
} else {
throw new RuntimeException("Not supported in system context");
}
}
@Override
public boolean startInstrumentation(ComponentName className,
String profileFile, Bundle arguments) {
try {
return ActivityManagerNative.getDefault().startInstrumentation(
className, profileFile, 0, arguments, null);
} catch (RemoteException e) {
// System has crashed, nothing we can do.
}
return false;
}
@Override
public Object getSystemService(String name) {
if (WINDOW_SERVICE.equals(name)) {
return WindowManagerImpl.getDefault();
} else if (LAYOUT_INFLATER_SERVICE.equals(name)) {
synchronized (mSync) {
LayoutInflater inflater = mLayoutInflater;
if (inflater != null) {
return inflater;
}
mLayoutInflater = inflater =
PolicyManager.makeNewLayoutInflater(getOuterContext());
return inflater;
}
} else if (ACTIVITY_SERVICE.equals(name)) {
return getActivityManager();
} else if (INPUT_METHOD_SERVICE.equals(name)) {
return InputMethodManager.getInstance(this);
} else if (ALARM_SERVICE.equals(name)) {
return getAlarmManager();
} else if (ACCOUNT_SERVICE.equals(name)) {
return getAccountManager();
} else if (POWER_SERVICE.equals(name)) {
return getPowerManager();
} else if (CONNECTIVITY_SERVICE.equals(name)) {
return getConnectivityManager();
} else if (THROTTLE_SERVICE.equals(name)) {
return getThrottleManager();
} else if (WIFI_SERVICE.equals(name)) {
return getWifiManager();
} else if (NOTIFICATION_SERVICE.equals(name)) {
return getNotificationManager();
} else if (KEYGUARD_SERVICE.equals(name)) {
return new KeyguardManager();
} else if (ACCESSIBILITY_SERVICE.equals(name)) {
return AccessibilityManager.getInstance(this);
} else if (LOCATION_SERVICE.equals(name)) {
return getLocationManager();
} else if (SEARCH_SERVICE.equals(name)) {
return getSearchManager();
} else if (SENSOR_SERVICE.equals(name)) {
return getSensorManager();
} else if (STORAGE_SERVICE.equals(name)) {
return getStorageManager();
} else if (VIBRATOR_SERVICE.equals(name)) {
return getVibrator();
} else if (STATUS_BAR_SERVICE.equals(name)) {
synchronized (mSync) {
if (mStatusBarManager == null) {
mStatusBarManager = new StatusBarManager(getOuterContext());
}
return mStatusBarManager;
}
} else if (AUDIO_SERVICE.equals(name)) {
return getAudioManager();
} else if (TELEPHONY_SERVICE.equals(name)) {
return getTelephonyManager();
} else if (CLIPBOARD_SERVICE.equals(name)) {
return getClipboardManager();
} else if (WALLPAPER_SERVICE.equals(name)) {
return getWallpaperManager();
} else if (DROPBOX_SERVICE.equals(name)) {
return getDropBoxManager();
} else if (DEVICE_POLICY_SERVICE.equals(name)) {
return getDevicePolicyManager();
} else if (UI_MODE_SERVICE.equals(name)) {
return getUiModeManager();
} else if (DOWNLOAD_SERVICE.equals(name)) {
return getDownloadManager();
}
return null;
}
private AccountManager getAccountManager() {
synchronized (mSync) {
if (mAccountManager == null) {
IBinder b = ServiceManager.getService(ACCOUNT_SERVICE);
IAccountManager service = IAccountManager.Stub.asInterface(b);
mAccountManager = new AccountManager(this, service);
}
return mAccountManager;
}
}
private ActivityManager getActivityManager() {
synchronized (mSync) {
if (mActivityManager == null) {
mActivityManager = new ActivityManager(getOuterContext(),
mMainThread.getHandler());
}
}
return mActivityManager;
}
private AlarmManager getAlarmManager() {
synchronized (sSync) {
if (sAlarmManager == null) {
IBinder b = ServiceManager.getService(ALARM_SERVICE);
IAlarmManager service = IAlarmManager.Stub.asInterface(b);
sAlarmManager = new AlarmManager(service);
}
}
return sAlarmManager;
}
private PowerManager getPowerManager() {
synchronized (sSync) {
if (sPowerManager == null) {
IBinder b = ServiceManager.getService(POWER_SERVICE);
IPowerManager service = IPowerManager.Stub.asInterface(b);
sPowerManager = new PowerManager(service, mMainThread.getHandler());
}
}
return sPowerManager;
}
private ConnectivityManager getConnectivityManager()
{
synchronized (sSync) {
if (sConnectivityManager == null) {
IBinder b = ServiceManager.getService(CONNECTIVITY_SERVICE);
IConnectivityManager service = IConnectivityManager.Stub.asInterface(b);
sConnectivityManager = new ConnectivityManager(service);
}
}
return sConnectivityManager;
}
private ThrottleManager getThrottleManager()
{
synchronized (sSync) {
if (sThrottleManager == null) {
IBinder b = ServiceManager.getService(THROTTLE_SERVICE);
IThrottleManager service = IThrottleManager.Stub.asInterface(b);
sThrottleManager = new ThrottleManager(service);
}
}
return sThrottleManager;
}
private WifiManager getWifiManager()
{
synchronized (sSync) {
if (sWifiManager == null) {
IBinder b = ServiceManager.getService(WIFI_SERVICE);
IWifiManager service = IWifiManager.Stub.asInterface(b);
sWifiManager = new WifiManager(service, mMainThread.getHandler());
}
}
return sWifiManager;
}
private NotificationManager getNotificationManager() {
synchronized (mSync) {
if (mNotificationManager == null) {
mNotificationManager = new NotificationManager(
new ContextThemeWrapper(getOuterContext(), com.android.internal.R.style.Theme_Dialog),
mMainThread.getHandler());
}
}
return mNotificationManager;
}
private WallpaperManager getWallpaperManager() {
synchronized (mSync) {
if (mWallpaperManager == null) {
mWallpaperManager = new WallpaperManager(getOuterContext(),
mMainThread.getHandler());
}
}
return mWallpaperManager;
}
private TelephonyManager getTelephonyManager() {
synchronized (mSync) {
if (mTelephonyManager == null) {
mTelephonyManager = new TelephonyManager(getOuterContext());
}
}
return mTelephonyManager;
}
private ClipboardManager getClipboardManager() {
synchronized (mSync) {
if (mClipboardManager == null) {
mClipboardManager = new ClipboardManager(getOuterContext(),
mMainThread.getHandler());
}
}
return mClipboardManager;
}
private LocationManager getLocationManager() {
synchronized (sSync) {
if (sLocationManager == null) {
IBinder b = ServiceManager.getService(LOCATION_SERVICE);
ILocationManager service = ILocationManager.Stub.asInterface(b);
sLocationManager = new LocationManager(service);
}
}
return sLocationManager;
}
private SearchManager getSearchManager() {
synchronized (mSync) {
if (mSearchManager == null) {
mSearchManager = new SearchManager(getOuterContext(), mMainThread.getHandler());
}
}
return mSearchManager;
}
private SensorManager getSensorManager() {
synchronized (mSync) {
if (mSensorManager == null) {
mSensorManager = new SensorManager(mMainThread.getHandler().getLooper());
}
}
return mSensorManager;
}
private StorageManager getStorageManager() {
synchronized (mSync) {
if (mStorageManager == null) {
try {
mStorageManager = new StorageManager(mMainThread.getHandler().getLooper());
} catch (RemoteException rex) {
Log.e(TAG, "Failed to create StorageManager", rex);
mStorageManager = null;
}
}
}
return mStorageManager;
}
private Vibrator getVibrator() {
synchronized (mSync) {
if (mVibrator == null) {
mVibrator = new Vibrator();
}
}
return mVibrator;
}
private AudioManager getAudioManager()
{
if (mAudioManager == null) {
mAudioManager = new AudioManager(this);
}
return mAudioManager;
}
/* package */ static DropBoxManager createDropBoxManager() {
IBinder b = ServiceManager.getService(DROPBOX_SERVICE);
IDropBoxManagerService service = IDropBoxManagerService.Stub.asInterface(b);
return new DropBoxManager(service);
}
private DropBoxManager getDropBoxManager() {
synchronized (mSync) {
if (mDropBoxManager == null) {
mDropBoxManager = createDropBoxManager();
}
}
return mDropBoxManager;
}
private DevicePolicyManager getDevicePolicyManager() {
synchronized (mSync) {
if (mDevicePolicyManager == null) {
mDevicePolicyManager = DevicePolicyManager.create(this,
mMainThread.getHandler());
}
}
return mDevicePolicyManager;
}
private UiModeManager getUiModeManager() {
synchronized (mSync) {
if (mUiModeManager == null) {
mUiModeManager = new UiModeManager();
}
}
return mUiModeManager;
}
private DownloadManager getDownloadManager() {
synchronized (mSync) {
if (mDownloadManager == null) {
mDownloadManager = new DownloadManager(getContentResolver(), getPackageName());
}
}
return mDownloadManager;
}
@Override
public int checkPermission(String permission, int pid, int uid) {
if (permission == null) {
throw new IllegalArgumentException("permission is null");
}
if (!Process.supportsProcesses()) {
return PackageManager.PERMISSION_GRANTED;
}
try {
return ActivityManagerNative.getDefault().checkPermission(
permission, pid, uid);
} catch (RemoteException e) {
return PackageManager.PERMISSION_DENIED;
}
}
@Override
public int checkCallingPermission(String permission) {
if (permission == null) {
throw new IllegalArgumentException("permission is null");
}
if (!Process.supportsProcesses()) {
return PackageManager.PERMISSION_GRANTED;
}
int pid = Binder.getCallingPid();
if (pid != Process.myPid()) {
return checkPermission(permission, pid,
Binder.getCallingUid());
}
return PackageManager.PERMISSION_DENIED;
}
@Override
public int checkCallingOrSelfPermission(String permission) {
if (permission == null) {
throw new IllegalArgumentException("permission is null");
}
return checkPermission(permission, Binder.getCallingPid(),
Binder.getCallingUid());
}
private void enforce(
String permission, int resultOfCheck,
boolean selfToo, int uid, String message) {
if (resultOfCheck != PackageManager.PERMISSION_GRANTED) {
throw new SecurityException(
(message != null ? (message + ": ") : "") +
(selfToo
? "Neither user " + uid + " nor current process has "
: "User " + uid + " does not have ") +
permission +
".");
}
}
public void enforcePermission(
String permission, int pid, int uid, String message) {
enforce(permission,
checkPermission(permission, pid, uid),
false,
uid,
message);
}
public void enforceCallingPermission(String permission, String message) {
enforce(permission,
checkCallingPermission(permission),
false,
Binder.getCallingUid(),
message);
}
public void enforceCallingOrSelfPermission(
String permission, String message) {
enforce(permission,
checkCallingOrSelfPermission(permission),
true,
Binder.getCallingUid(),
message);
}
@Override
public void grantUriPermission(String toPackage, Uri uri, int modeFlags) {
try {
ActivityManagerNative.getDefault().grantUriPermission(
mMainThread.getApplicationThread(), toPackage, uri,
modeFlags);
} catch (RemoteException e) {
}
}
@Override
public void revokeUriPermission(Uri uri, int modeFlags) {
try {
ActivityManagerNative.getDefault().revokeUriPermission(
mMainThread.getApplicationThread(), uri,
modeFlags);
} catch (RemoteException e) {
}
}
@Override
public int checkUriPermission(Uri uri, int pid, int uid, int modeFlags) {
if (!Process.supportsProcesses()) {
return PackageManager.PERMISSION_GRANTED;
}
try {
return ActivityManagerNative.getDefault().checkUriPermission(
uri, pid, uid, modeFlags);
} catch (RemoteException e) {
return PackageManager.PERMISSION_DENIED;
}
}
@Override
public int checkCallingUriPermission(Uri uri, int modeFlags) {
if (!Process.supportsProcesses()) {
return PackageManager.PERMISSION_GRANTED;
}
int pid = Binder.getCallingPid();
if (pid != Process.myPid()) {
return checkUriPermission(uri, pid,
Binder.getCallingUid(), modeFlags);
}
return PackageManager.PERMISSION_DENIED;
}
@Override
public int checkCallingOrSelfUriPermission(Uri uri, int modeFlags) {
return checkUriPermission(uri, Binder.getCallingPid(),
Binder.getCallingUid(), modeFlags);
}
@Override
public int checkUriPermission(Uri uri, String readPermission,
String writePermission, int pid, int uid, int modeFlags) {
if (DEBUG) {
Log.i("foo", "checkUriPermission: uri=" + uri + "readPermission="
+ readPermission + " writePermission=" + writePermission
+ " pid=" + pid + " uid=" + uid + " mode" + modeFlags);
}
if ((modeFlags&Intent.FLAG_GRANT_READ_URI_PERMISSION) != 0) {
if (readPermission == null
|| checkPermission(readPermission, pid, uid)
== PackageManager.PERMISSION_GRANTED) {
return PackageManager.PERMISSION_GRANTED;
}
}
if ((modeFlags&Intent.FLAG_GRANT_WRITE_URI_PERMISSION) != 0) {
if (writePermission == null
|| checkPermission(writePermission, pid, uid)
== PackageManager.PERMISSION_GRANTED) {
return PackageManager.PERMISSION_GRANTED;
}
}
return uri != null ? checkUriPermission(uri, pid, uid, modeFlags)
: PackageManager.PERMISSION_DENIED;
}
private String uriModeFlagToString(int uriModeFlags) {
switch (uriModeFlags) {
case Intent.FLAG_GRANT_READ_URI_PERMISSION |
Intent.FLAG_GRANT_WRITE_URI_PERMISSION:
return "read and write";
case Intent.FLAG_GRANT_READ_URI_PERMISSION:
return "read";
case Intent.FLAG_GRANT_WRITE_URI_PERMISSION:
return "write";
}
throw new IllegalArgumentException(
"Unknown permission mode flags: " + uriModeFlags);
}
private void enforceForUri(
int modeFlags, int resultOfCheck, boolean selfToo,
int uid, Uri uri, String message) {
if (resultOfCheck != PackageManager.PERMISSION_GRANTED) {
throw new SecurityException(
(message != null ? (message + ": ") : "") +
(selfToo
? "Neither user " + uid + " nor current process has "
: "User " + uid + " does not have ") +
uriModeFlagToString(modeFlags) +
" permission on " +
uri +
".");
}
}
public void enforceUriPermission(
Uri uri, int pid, int uid, int modeFlags, String message) {
enforceForUri(
modeFlags, checkUriPermission(uri, pid, uid, modeFlags),
false, uid, uri, message);
}
public void enforceCallingUriPermission(
Uri uri, int modeFlags, String message) {
enforceForUri(
modeFlags, checkCallingUriPermission(uri, modeFlags),
false, Binder.getCallingUid(), uri, message);
}
public void enforceCallingOrSelfUriPermission(
Uri uri, int modeFlags, String message) {
enforceForUri(
modeFlags,
checkCallingOrSelfUriPermission(uri, modeFlags), true,
Binder.getCallingUid(), uri, message);
}
public void enforceUriPermission(
Uri uri, String readPermission, String writePermission,
int pid, int uid, int modeFlags, String message) {
enforceForUri(modeFlags,
checkUriPermission(
uri, readPermission, writePermission, pid, uid,
modeFlags),
false,
uid,
uri,
message);
}
@Override
public Context createPackageContext(String packageName, int flags)
throws PackageManager.NameNotFoundException {
if (packageName.equals("system") || packageName.equals("android")) {
return new ContextImpl(mMainThread.getSystemContext());
}
LoadedApk pi =
mMainThread.getPackageInfo(packageName, flags);
if (pi != null) {
ContextImpl c = new ContextImpl();
c.mRestricted = (flags & CONTEXT_RESTRICTED) == CONTEXT_RESTRICTED;
c.init(pi, null, mMainThread, mResources);
if (c.mResources != null) {
return c;
}
}
// Should be a better exception.
throw new PackageManager.NameNotFoundException(
"Application package " + packageName + " not found");
}
@Override
public boolean isRestricted() {
return mRestricted;
}
private File getDataDirFile() {
if (mPackageInfo != null) {
return mPackageInfo.getDataDirFile();
}
throw new RuntimeException("Not supported in system context");
}
@Override
public File getDir(String name, int mode) {
name = "app_" + name;
File file = makeFilename(getDataDirFile(), name);
if (!file.exists()) {
file.mkdir();
setFilePermissionsFromMode(file.getPath(), mode,
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH);
}
return file;
}
static ContextImpl createSystemContext(ActivityThread mainThread) {
ContextImpl context = new ContextImpl();
context.init(Resources.getSystem(), mainThread);
return context;
}
ContextImpl() {
// For debug only
//++sInstanceCount;
mOuterContext = this;
}
/**
* Create a new ApplicationContext from an existing one. The new one
* works and operates the same as the one it is copying.
*
* @param context Existing application context.
*/
public ContextImpl(ContextImpl context) {
++sInstanceCount;
mPackageInfo = context.mPackageInfo;
mResources = context.mResources;
mMainThread = context.mMainThread;
mContentResolver = context.mContentResolver;
mOuterContext = this;
}
final void init(LoadedApk packageInfo,
IBinder activityToken, ActivityThread mainThread) {
init(packageInfo, activityToken, mainThread, null);
}
final void init(LoadedApk packageInfo,
IBinder activityToken, ActivityThread mainThread,
Resources container) {
mPackageInfo = packageInfo;
mResources = mPackageInfo.getResources(mainThread);
if (mResources != null && container != null
&& container.getCompatibilityInfo().applicationScale !=
mResources.getCompatibilityInfo().applicationScale) {
if (DEBUG) {
Log.d(TAG, "loaded context has different scaling. Using container's" +
" compatiblity info:" + container.getDisplayMetrics());
}
mResources = mainThread.getTopLevelResources(
mPackageInfo.getResDir(), container.getCompatibilityInfo().copy());
}
mMainThread = mainThread;
mContentResolver = new ApplicationContentResolver(this, mainThread);
setActivityToken(activityToken);
}
final void init(Resources resources, ActivityThread mainThread) {
mPackageInfo = null;
mResources = resources;
mMainThread = mainThread;
mContentResolver = new ApplicationContentResolver(this, mainThread);
}
final void scheduleFinalCleanup(String who, String what) {
mMainThread.scheduleContextCleanup(this, who, what);
}
final void performFinalCleanup(String who, String what) {
//Log.i(TAG, "Cleanup up context: " + this);
mPackageInfo.removeContextRegistrations(getOuterContext(), who, what);
}
final Context getReceiverRestrictedContext() {
if (mReceiverRestrictedContext != null) {
return mReceiverRestrictedContext;
}
return mReceiverRestrictedContext = new ReceiverRestrictedContext(getOuterContext());
}
final void setActivityToken(IBinder token) {
mActivityToken = token;
}
final void setOuterContext(Context context) {
mOuterContext = context;
}
final Context getOuterContext() {
return mOuterContext;
}
final IBinder getActivityToken() {
return mActivityToken;
}
private static void setFilePermissionsFromMode(String name, int mode,
int extraPermissions) {
int perms = FileUtils.S_IRUSR|FileUtils.S_IWUSR
|FileUtils.S_IRGRP|FileUtils.S_IWGRP
|extraPermissions;
if ((mode&MODE_WORLD_READABLE) != 0) {
perms |= FileUtils.S_IROTH;
}
if ((mode&MODE_WORLD_WRITEABLE) != 0) {
perms |= FileUtils.S_IWOTH;
}
if (DEBUG) {
Log.i(TAG, "File " + name + ": mode=0x" + Integer.toHexString(mode)
+ ", perms=0x" + Integer.toHexString(perms));
}
FileUtils.setPermissions(name, perms, -1, -1);
}
private File validateFilePath(String name, boolean createDirectory) {
File dir;
File f;
if (name.charAt(0) == File.separatorChar) {
String dirPath = name.substring(0, name.lastIndexOf(File.separatorChar));
dir = new File(dirPath);
name = name.substring(name.lastIndexOf(File.separatorChar));
f = new File(dir, name);
} else {
dir = getDatabasesDir();
f = makeFilename(dir, name);
}
if (createDirectory && !dir.isDirectory() && dir.mkdir()) {
FileUtils.setPermissions(dir.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
}
return f;
}
private File makeFilename(File base, String name) {
if (name.indexOf(File.separatorChar) < 0) {
return new File(base, name);
}
throw new IllegalArgumentException(
"File " + name + " contains a path separator");
}
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
private static final class ApplicationContentResolver extends ContentResolver {
public ApplicationContentResolver(Context context,
ActivityThread mainThread)
{
super(context);
mMainThread = mainThread;
}
@Override
protected IContentProvider acquireProvider(Context context, String name)
{
return mMainThread.acquireProvider(context, name);
}
@Override
public boolean releaseProvider(IContentProvider provider)
{
return mMainThread.releaseProvider(provider);
}
private final ActivityThread mMainThread;
}
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
/*package*/
static final class ApplicationPackageManager extends PackageManager {
@Override
public PackageInfo getPackageInfo(String packageName, int flags)
throws NameNotFoundException {
try {
PackageInfo pi = mPM.getPackageInfo(packageName, flags);
if (pi != null) {
return pi;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(packageName);
}
@Override
public String[] currentToCanonicalPackageNames(String[] names) {
try {
return mPM.currentToCanonicalPackageNames(names);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public String[] canonicalToCurrentPackageNames(String[] names) {
try {
return mPM.canonicalToCurrentPackageNames(names);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public Intent getLaunchIntentForPackage(String packageName) {
// First see if the package has an INFO activity; the existence of
// such an activity is implied to be the desired front-door for the
// overall package (such as if it has multiple launcher entries).
Intent intentToResolve = new Intent(Intent.ACTION_MAIN);
intentToResolve.addCategory(Intent.CATEGORY_INFO);
intentToResolve.setPackage(packageName);
ResolveInfo resolveInfo = resolveActivity(intentToResolve, 0);
// Otherwise, try to find a main launcher activity.
if (resolveInfo == null) {
// reuse the intent instance
intentToResolve.removeCategory(Intent.CATEGORY_INFO);
intentToResolve.addCategory(Intent.CATEGORY_LAUNCHER);
intentToResolve.setPackage(packageName);
resolveInfo = resolveActivity(intentToResolve, 0);
}
if (resolveInfo == null) {
return null;
}
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setClassName(packageName, resolveInfo.activityInfo.name);
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
return intent;
}
@Override
public int[] getPackageGids(String packageName)
throws NameNotFoundException {
try {
int[] gids = mPM.getPackageGids(packageName);
if (gids == null || gids.length > 0) {
return gids;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(packageName);
}
@Override
public PermissionInfo getPermissionInfo(String name, int flags)
throws NameNotFoundException {
try {
PermissionInfo pi = mPM.getPermissionInfo(name, flags);
if (pi != null) {
return pi;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(name);
}
@Override
public List<PermissionInfo> queryPermissionsByGroup(String group, int flags)
throws NameNotFoundException {
try {
List<PermissionInfo> pi = mPM.queryPermissionsByGroup(group, flags);
if (pi != null) {
return pi;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(group);
}
@Override
public PermissionGroupInfo getPermissionGroupInfo(String name,
int flags) throws NameNotFoundException {
try {
PermissionGroupInfo pgi = mPM.getPermissionGroupInfo(name, flags);
if (pgi != null) {
return pgi;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(name);
}
@Override
public List<PermissionGroupInfo> getAllPermissionGroups(int flags) {
try {
return mPM.getAllPermissionGroups(flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public ApplicationInfo getApplicationInfo(String packageName, int flags)
throws NameNotFoundException {
try {
ApplicationInfo ai = mPM.getApplicationInfo(packageName, flags);
if (ai != null) {
return ai;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(packageName);
}
@Override
public ActivityInfo getActivityInfo(ComponentName className, int flags)
throws NameNotFoundException {
try {
ActivityInfo ai = mPM.getActivityInfo(className, flags);
if (ai != null) {
return ai;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(className.toString());
}
@Override
public ActivityInfo getReceiverInfo(ComponentName className, int flags)
throws NameNotFoundException {
try {
ActivityInfo ai = mPM.getReceiverInfo(className, flags);
if (ai != null) {
return ai;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(className.toString());
}
@Override
public ServiceInfo getServiceInfo(ComponentName className, int flags)
throws NameNotFoundException {
try {
ServiceInfo si = mPM.getServiceInfo(className, flags);
if (si != null) {
return si;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(className.toString());
}
@Override
public String[] getSystemSharedLibraryNames() {
try {
return mPM.getSystemSharedLibraryNames();
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public FeatureInfo[] getSystemAvailableFeatures() {
try {
return mPM.getSystemAvailableFeatures();
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public boolean hasSystemFeature(String name) {
try {
return mPM.hasSystemFeature(name);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public int checkPermission(String permName, String pkgName) {
try {
return mPM.checkPermission(permName, pkgName);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public boolean addPermission(PermissionInfo info) {
try {
return mPM.addPermission(info);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public boolean addPermissionAsync(PermissionInfo info) {
try {
return mPM.addPermissionAsync(info);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public void removePermission(String name) {
try {
mPM.removePermission(name);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public int checkSignatures(String pkg1, String pkg2) {
try {
return mPM.checkSignatures(pkg1, pkg2);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public int checkSignatures(int uid1, int uid2) {
try {
return mPM.checkUidSignatures(uid1, uid2);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public String[] getPackagesForUid(int uid) {
try {
return mPM.getPackagesForUid(uid);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public String getNameForUid(int uid) {
try {
return mPM.getNameForUid(uid);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public int getUidForSharedUser(String sharedUserName)
throws NameNotFoundException {
try {
int uid = mPM.getUidForSharedUser(sharedUserName);
if(uid != -1) {
return uid;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException("No shared userid for user:"+sharedUserName);
}
@Override
public List<PackageInfo> getInstalledPackages(int flags) {
try {
return mPM.getInstalledPackages(flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public List<ApplicationInfo> getInstalledApplications(int flags) {
try {
return mPM.getInstalledApplications(flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public ResolveInfo resolveActivity(Intent intent, int flags) {
try {
return mPM.resolveIntent(
intent,
intent.resolveTypeIfNeeded(mContext.getContentResolver()),
flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public List<ResolveInfo> queryIntentActivities(Intent intent,
int flags) {
try {
return mPM.queryIntentActivities(
intent,
intent.resolveTypeIfNeeded(mContext.getContentResolver()),
flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public List<ResolveInfo> queryIntentActivityOptions(
ComponentName caller, Intent[] specifics, Intent intent,
int flags) {
final ContentResolver resolver = mContext.getContentResolver();
String[] specificTypes = null;
if (specifics != null) {
final int N = specifics.length;
for (int i=0; i<N; i++) {
Intent sp = specifics[i];
if (sp != null) {
String t = sp.resolveTypeIfNeeded(resolver);
if (t != null) {
if (specificTypes == null) {
specificTypes = new String[N];
}
specificTypes[i] = t;
}
}
}
}
try {
return mPM.queryIntentActivityOptions(caller, specifics,
specificTypes, intent, intent.resolveTypeIfNeeded(resolver),
flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public List<ResolveInfo> queryBroadcastReceivers(Intent intent, int flags) {
try {
return mPM.queryIntentReceivers(
intent,
intent.resolveTypeIfNeeded(mContext.getContentResolver()),
flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public ResolveInfo resolveService(Intent intent, int flags) {
try {
return mPM.resolveService(
intent,
intent.resolveTypeIfNeeded(mContext.getContentResolver()),
flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public List<ResolveInfo> queryIntentServices(Intent intent, int flags) {
try {
return mPM.queryIntentServices(
intent,
intent.resolveTypeIfNeeded(mContext.getContentResolver()),
flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public ProviderInfo resolveContentProvider(String name,
int flags) {
try {
return mPM.resolveContentProvider(name, flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public List<ProviderInfo> queryContentProviders(String processName,
int uid, int flags) {
try {
return mPM.queryContentProviders(processName, uid, flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override
public InstrumentationInfo getInstrumentationInfo(
ComponentName className, int flags)
throws NameNotFoundException {
try {
InstrumentationInfo ii = mPM.getInstrumentationInfo(
className, flags);
if (ii != null) {
return ii;
}
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
throw new NameNotFoundException(className.toString());
}
@Override
public List<InstrumentationInfo> queryInstrumentation(
String targetPackage, int flags) {
try {
return mPM.queryInstrumentation(targetPackage, flags);
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
@Override public Drawable getDrawable(String packageName, int resid,
ApplicationInfo appInfo) {
ResourceName name = new ResourceName(packageName, resid);
Drawable dr = getCachedIcon(name);
if (dr != null) {
return dr;
}
if (appInfo == null) {
try {
appInfo = getApplicationInfo(packageName, 0);
} catch (NameNotFoundException e) {
return null;
}
}
try {
Resources r = getResourcesForApplication(appInfo);
dr = r.getDrawable(resid);
if (false) {
RuntimeException e = new RuntimeException("here");
e.fillInStackTrace();
Log.w(TAG, "Getting drawable 0x" + Integer.toHexString(resid)
+ " from package " + packageName
+ ": app scale=" + r.getCompatibilityInfo().applicationScale
+ ", caller scale=" + mContext.getResources().getCompatibilityInfo().applicationScale,
e);
}
if (DEBUG_ICONS) Log.v(TAG, "Getting drawable 0x"
+ Integer.toHexString(resid) + " from " + r
+ ": " + dr);
putCachedIcon(name, dr);
return dr;
} catch (NameNotFoundException e) {
Log.w("PackageManager", "Failure retrieving resources for"
+ appInfo.packageName);
} catch (RuntimeException e) {
// If an exception was thrown, fall through to return
// default icon.
Log.w("PackageManager", "Failure retrieving icon 0x"
+ Integer.toHexString(resid) + " in package "
+ packageName, e);
}
return null;
}
@Override public Drawable getActivityIcon(ComponentName activityName)
throws NameNotFoundException {
return getActivityInfo(activityName, 0).loadIcon(this);
}
@Override public Drawable getActivityIcon(Intent intent)
throws NameNotFoundException {
if (intent.getComponent() != null) {
return getActivityIcon(intent.getComponent());
}
ResolveInfo info = resolveActivity(
intent, PackageManager.MATCH_DEFAULT_ONLY);
if (info != null) {
return info.activityInfo.loadIcon(this);
}
throw new NameNotFoundException(intent.toURI());
}
@Override public Drawable getDefaultActivityIcon() {
return Resources.getSystem().getDrawable(
com.android.internal.R.drawable.sym_def_app_icon);
}
@Override public Drawable getApplicationIcon(ApplicationInfo info) {
return info.loadIcon(this);
}
@Override public Drawable getApplicationIcon(String packageName)
throws NameNotFoundException {
return getApplicationIcon(getApplicationInfo(packageName, 0));
}
@Override
public Drawable getActivityLogo(ComponentName activityName)
throws NameNotFoundException {
return getActivityInfo(activityName, 0).loadLogo(this);
}
@Override
public Drawable getActivityLogo(Intent intent)
throws NameNotFoundException {
if (intent.getComponent() != null) {
return getActivityLogo(intent.getComponent());
}
ResolveInfo info = resolveActivity(
intent, PackageManager.MATCH_DEFAULT_ONLY);
if (info != null) {
return info.activityInfo.loadLogo(this);
}
throw new NameNotFoundException(intent.toUri(0));
}
@Override
public Drawable getApplicationLogo(ApplicationInfo info) {
return info.loadLogo(this);
}
@Override
public Drawable getApplicationLogo(String packageName)
throws NameNotFoundException {
return getApplicationLogo(getApplicationInfo(packageName, 0));
}
@Override public Resources getResourcesForActivity(
ComponentName activityName) throws NameNotFoundException {
return getResourcesForApplication(
getActivityInfo(activityName, 0).applicationInfo);
}
@Override public Resources getResourcesForApplication(
ApplicationInfo app) throws NameNotFoundException {
if (app.packageName.equals("system")) {
return mContext.mMainThread.getSystemContext().getResources();
}
Resources r = mContext.mMainThread.getTopLevelResources(
app.uid == Process.myUid() ? app.sourceDir
: app.publicSourceDir, mContext.mPackageInfo);
if (r != null) {
return r;
}
throw new NameNotFoundException("Unable to open " + app.publicSourceDir);
}
@Override public Resources getResourcesForApplication(
String appPackageName) throws NameNotFoundException {
return getResourcesForApplication(
getApplicationInfo(appPackageName, 0));
}
int mCachedSafeMode = -1;
@Override public boolean isSafeMode() {
try {
if (mCachedSafeMode < 0) {
mCachedSafeMode = mPM.isSafeMode() ? 1 : 0;
}
return mCachedSafeMode != 0;
} catch (RemoteException e) {
throw new RuntimeException("Package manager has died", e);
}
}
static void configurationChanged() {
synchronized (sSync) {
sIconCache.clear();
sStringCache.clear();
}
}
ApplicationPackageManager(ContextImpl context,
IPackageManager pm) {
mContext = context;
mPM = pm;
}
private Drawable getCachedIcon(ResourceName name) {
synchronized (sSync) {
WeakReference<Drawable> wr = sIconCache.get(name);
if (DEBUG_ICONS) Log.v(TAG, "Get cached weak drawable ref for "
+ name + ": " + wr);
if (wr != null) { // we have the activity
Drawable dr = wr.get();
if (dr != null) {
if (DEBUG_ICONS) Log.v(TAG, "Get cached drawable for "
+ name + ": " + dr);
return dr;
}
// our entry has been purged
sIconCache.remove(name);
}
}
return null;
}
private void putCachedIcon(ResourceName name, Drawable dr) {
synchronized (sSync) {
sIconCache.put(name, new WeakReference<Drawable>(dr));
if (DEBUG_ICONS) Log.v(TAG, "Added cached drawable for "
+ name + ": " + dr);
}
}
static final void handlePackageBroadcast(int cmd, String[] pkgList,
boolean hasPkgInfo) {
boolean immediateGc = false;
if (cmd == IApplicationThread.EXTERNAL_STORAGE_UNAVAILABLE) {
immediateGc = true;
}
if (pkgList != null && (pkgList.length > 0)) {
boolean needCleanup = false;
for (String ssp : pkgList) {
synchronized (sSync) {
if (sIconCache.size() > 0) {
Iterator<ResourceName> it = sIconCache.keySet().iterator();
while (it.hasNext()) {
ResourceName nm = it.next();
if (nm.packageName.equals(ssp)) {
//Log.i(TAG, "Removing cached drawable for " + nm);
it.remove();
needCleanup = true;
}
}
}
if (sStringCache.size() > 0) {
Iterator<ResourceName> it = sStringCache.keySet().iterator();
while (it.hasNext()) {
ResourceName nm = it.next();
if (nm.packageName.equals(ssp)) {
//Log.i(TAG, "Removing cached string for " + nm);
it.remove();
needCleanup = true;
}
}
}
}
}
if (needCleanup || hasPkgInfo) {
if (immediateGc) {
// Schedule an immediate gc.
Runtime.getRuntime().gc();
} else {
ActivityThread.currentActivityThread().scheduleGcIdler();
}
}
}
}
private static final class ResourceName {
final String packageName;
final int iconId;
ResourceName(String _packageName, int _iconId) {
packageName = _packageName;
iconId = _iconId;
}
ResourceName(ApplicationInfo aInfo, int _iconId) {
this(aInfo.packageName, _iconId);
}
ResourceName(ComponentInfo cInfo, int _iconId) {
this(cInfo.applicationInfo.packageName, _iconId);
}
ResourceName(ResolveInfo rInfo, int _iconId) {
this(rInfo.activityInfo.applicationInfo.packageName, _iconId);
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
ResourceName that = (ResourceName) o;
if (iconId != that.iconId) return false;
return !(packageName != null ?
!packageName.equals(that.packageName) : that.packageName != null);
}
@Override
public int hashCode() {
int result;
result = packageName.hashCode();
result = 31 * result + iconId;
return result;
}
@Override
public String toString() {
return "{ResourceName " + packageName + " / " + iconId + "}";
}
}
private CharSequence getCachedString(ResourceName name) {
synchronized (sSync) {
WeakReference<CharSequence> wr = sStringCache.get(name);
if (wr != null) { // we have the activity
CharSequence cs = wr.get();
if (cs != null) {
return cs;
}
// our entry has been purged
sStringCache.remove(name);
}
}
return null;
}
private void putCachedString(ResourceName name, CharSequence cs) {
synchronized (sSync) {
sStringCache.put(name, new WeakReference<CharSequence>(cs));
}
}
@Override
public CharSequence getText(String packageName, int resid,
ApplicationInfo appInfo) {
ResourceName name = new ResourceName(packageName, resid);
CharSequence text = getCachedString(name);
if (text != null) {
return text;
}
if (appInfo == null) {
try {
appInfo = getApplicationInfo(packageName, 0);
} catch (NameNotFoundException e) {
return null;
}
}
try {
Resources r = getResourcesForApplication(appInfo);
text = r.getText(resid);
putCachedString(name, text);
return text;
} catch (NameNotFoundException e) {
Log.w("PackageManager", "Failure retrieving resources for"
+ appInfo.packageName);
} catch (RuntimeException e) {
// If an exception was thrown, fall through to return
// default icon.
Log.w("PackageManager", "Failure retrieving text 0x"
+ Integer.toHexString(resid) + " in package "
+ packageName, e);
}
return null;
}
@Override
public XmlResourceParser getXml(String packageName, int resid,
ApplicationInfo appInfo) {
if (appInfo == null) {
try {
appInfo = getApplicationInfo(packageName, 0);
} catch (NameNotFoundException e) {
return null;
}
}
try {
Resources r = getResourcesForApplication(appInfo);
return r.getXml(resid);
} catch (RuntimeException e) {
// If an exception was thrown, fall through to return
// default icon.
Log.w("PackageManager", "Failure retrieving xml 0x"
+ Integer.toHexString(resid) + " in package "
+ packageName, e);
} catch (NameNotFoundException e) {
Log.w("PackageManager", "Failure retrieving resources for"
+ appInfo.packageName);
}
return null;
}
@Override
public CharSequence getApplicationLabel(ApplicationInfo info) {
return info.loadLabel(this);
}
@Override
public void installPackage(Uri packageURI, IPackageInstallObserver observer, int flags,
String installerPackageName) {
try {
mPM.installPackage(packageURI, observer, flags, installerPackageName);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void movePackage(String packageName, IPackageMoveObserver observer, int flags) {
try {
mPM.movePackage(packageName, observer, flags);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public String getInstallerPackageName(String packageName) {
try {
return mPM.getInstallerPackageName(packageName);
} catch (RemoteException e) {
// Should never happen!
}
return null;
}
@Override
public void deletePackage(String packageName, IPackageDeleteObserver observer, int flags) {
try {
mPM.deletePackage(packageName, observer, flags);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void clearApplicationUserData(String packageName,
IPackageDataObserver observer) {
try {
mPM.clearApplicationUserData(packageName, observer);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void deleteApplicationCacheFiles(String packageName,
IPackageDataObserver observer) {
try {
mPM.deleteApplicationCacheFiles(packageName, observer);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void freeStorageAndNotify(long idealStorageSize, IPackageDataObserver observer) {
try {
mPM.freeStorageAndNotify(idealStorageSize, observer);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void freeStorage(long freeStorageSize, IntentSender pi) {
try {
mPM.freeStorage(freeStorageSize, pi);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void getPackageSizeInfo(String packageName,
IPackageStatsObserver observer) {
try {
mPM.getPackageSizeInfo(packageName, observer);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void addPackageToPreferred(String packageName) {
try {
mPM.addPackageToPreferred(packageName);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void removePackageFromPreferred(String packageName) {
try {
mPM.removePackageFromPreferred(packageName);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public List<PackageInfo> getPreferredPackages(int flags) {
try {
return mPM.getPreferredPackages(flags);
} catch (RemoteException e) {
// Should never happen!
}
return new ArrayList<PackageInfo>();
}
@Override
public void addPreferredActivity(IntentFilter filter,
int match, ComponentName[] set, ComponentName activity) {
try {
mPM.addPreferredActivity(filter, match, set, activity);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void replacePreferredActivity(IntentFilter filter,
int match, ComponentName[] set, ComponentName activity) {
try {
mPM.replacePreferredActivity(filter, match, set, activity);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public void clearPackagePreferredActivities(String packageName) {
try {
mPM.clearPackagePreferredActivities(packageName);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public int getPreferredActivities(List<IntentFilter> outFilters,
List<ComponentName> outActivities, String packageName) {
try {
return mPM.getPreferredActivities(outFilters, outActivities, packageName);
} catch (RemoteException e) {
// Should never happen!
}
return 0;
}
@Override
public void setComponentEnabledSetting(ComponentName componentName,
int newState, int flags) {
try {
mPM.setComponentEnabledSetting(componentName, newState, flags);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public int getComponentEnabledSetting(ComponentName componentName) {
try {
return mPM.getComponentEnabledSetting(componentName);
} catch (RemoteException e) {
// Should never happen!
}
return PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
}
@Override
public void setApplicationEnabledSetting(String packageName,
int newState, int flags) {
try {
mPM.setApplicationEnabledSetting(packageName, newState, flags);
} catch (RemoteException e) {
// Should never happen!
}
}
@Override
public int getApplicationEnabledSetting(String packageName) {
try {
return mPM.getApplicationEnabledSetting(packageName);
} catch (RemoteException e) {
// Should never happen!
}
return PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
}
@Override
public void setPackageObbPath(String packageName, String path) {
try {
mPM.setPackageObbPath(packageName, path);
} catch (RemoteException e) {
// Should never happen!
}
}
private final ContextImpl mContext;
private final IPackageManager mPM;
private static final Object sSync = new Object();
private static HashMap<ResourceName, WeakReference<Drawable> > sIconCache
= new HashMap<ResourceName, WeakReference<Drawable> >();
private static HashMap<ResourceName, WeakReference<CharSequence> > sStringCache
= new HashMap<ResourceName, WeakReference<CharSequence> >();
}
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
// ----------------------------------------------------------------------
private static final class SharedPreferencesImpl implements SharedPreferences {
private final File mFile;
private final File mBackupFile;
private final int mMode;
private Map<String, Object> mMap; // guarded by 'this'
private long mTimestamp; // guarded by 'this'
private int mDiskWritesInFlight = 0; // guarded by 'this'
private final Object mWritingToDiskLock = new Object();
private static final Object mContent = new Object();
private WeakHashMap<OnSharedPreferenceChangeListener, Object> mListeners;
SharedPreferencesImpl(
File file, int mode, Map initialContents) {
mFile = file;
mBackupFile = makeBackupFile(file);
mMode = mode;
mMap = initialContents != null ? initialContents : new HashMap<String, Object>();
FileStatus stat = new FileStatus();
if (FileUtils.getFileStatus(file.getPath(), stat)) {
mTimestamp = stat.mtime;
}
mListeners = new WeakHashMap<OnSharedPreferenceChangeListener, Object>();
}
public boolean hasFileChanged() {
FileStatus stat = new FileStatus();
if (!FileUtils.getFileStatus(mFile.getPath(), stat)) {
return true;
}
synchronized (this) {
return mTimestamp != stat.mtime;
}
}
public void replace(Map newContents) {
if (newContents != null) {
synchronized (this) {
mMap = newContents;
}
}
}
public void registerOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) {
synchronized(this) {
mListeners.put(listener, mContent);
}
}
public void unregisterOnSharedPreferenceChangeListener(OnSharedPreferenceChangeListener listener) {
synchronized(this) {
mListeners.remove(listener);
}
}
public Map<String, ?> getAll() {
synchronized(this) {
//noinspection unchecked
return new HashMap<String, Object>(mMap);
}
}
public String getString(String key, String defValue) {
synchronized (this) {
String v = (String)mMap.get(key);
return v != null ? v : defValue;
}
}
public int getInt(String key, int defValue) {
synchronized (this) {
Integer v = (Integer)mMap.get(key);
return v != null ? v : defValue;
}
}
public long getLong(String key, long defValue) {
synchronized (this) {
Long v = (Long)mMap.get(key);
return v != null ? v : defValue;
}
}
public float getFloat(String key, float defValue) {
synchronized (this) {
Float v = (Float)mMap.get(key);
return v != null ? v : defValue;
}
}
public boolean getBoolean(String key, boolean defValue) {
synchronized (this) {
Boolean v = (Boolean)mMap.get(key);
return v != null ? v : defValue;
}
}
public boolean contains(String key) {
synchronized (this) {
return mMap.containsKey(key);
}
}
public Editor edit() {
return new EditorImpl();
}
// Return value from EditorImpl#commitToMemory()
private static class MemoryCommitResult {
public boolean changesMade; // any keys different?
public List<String> keysModified; // may be null
public Set<OnSharedPreferenceChangeListener> listeners; // may be null
public Map<?, ?> mapToWriteToDisk;
public final CountDownLatch writtenToDiskLatch = new CountDownLatch(1);
public volatile boolean writeToDiskResult = false;
public void setDiskWriteResult(boolean result) {
writeToDiskResult = result;
writtenToDiskLatch.countDown();
}
}
public final class EditorImpl implements Editor {
private final Map<String, Object> mModified = Maps.newHashMap();
private boolean mClear = false;
private AtomicBoolean mCommitInFlight = new AtomicBoolean(false);
public Editor putString(String key, String value) {
synchronized (this) {
mModified.put(key, value);
return this;
}
}
public Editor putInt(String key, int value) {
synchronized (this) {
mModified.put(key, value);
return this;
}
}
public Editor putLong(String key, long value) {
synchronized (this) {
mModified.put(key, value);
return this;
}
}
public Editor putFloat(String key, float value) {
synchronized (this) {
mModified.put(key, value);
return this;
}
}
public Editor putBoolean(String key, boolean value) {
synchronized (this) {
mModified.put(key, value);
return this;
}
}
public Editor remove(String key) {
synchronized (this) {
mModified.put(key, this);
return this;
}
}
public Editor clear() {
synchronized (this) {
mClear = true;
return this;
}
}
public void startCommit() {
if (!mCommitInFlight.compareAndSet(false, true)) {
throw new IllegalStateException("can't call startCommit() twice");
}
final MemoryCommitResult mcr = commitToMemory();
final Runnable awaitCommit = new Runnable() {
public void run() {
try {
mcr.writtenToDiskLatch.await();
} catch (InterruptedException ignored) {
}
}
};
QueuedWork.add(awaitCommit);
Runnable postWriteRunnable = new Runnable() {
public void run() {
awaitCommit.run();
mCommitInFlight.set(false);
QueuedWork.remove(awaitCommit);
}
};
SharedPreferencesImpl.this.enqueueDiskWrite(mcr, postWriteRunnable);
// Okay to notify the listeners before it's hit disk
// because the listeners should always get the same
// SharedPreferences instance back, which has the
// changes reflected in memory.
notifyListeners(mcr);
}
// Returns true if any changes were made
private MemoryCommitResult commitToMemory() {
MemoryCommitResult mcr = new MemoryCommitResult();
synchronized (SharedPreferencesImpl.this) {
// We optimistically don't make a deep copy until
// a memory commit comes in when we're already
// writing to disk.
if (mDiskWritesInFlight > 0) {
// We can't modify our mMap as a currently
// in-flight write owns it. Clone it before
// modifying it.
// noinspection unchecked
mMap = new HashMap<String, Object>(mMap);
}
mcr.mapToWriteToDisk = mMap;
mDiskWritesInFlight++;
boolean hasListeners = mListeners.size() > 0;
if (hasListeners) {
mcr.keysModified = new ArrayList<String>();
mcr.listeners =
new HashSet<OnSharedPreferenceChangeListener>(mListeners.keySet());
}
synchronized (this) {
if (mClear) {
if (!mMap.isEmpty()) {
mcr.changesMade = true;
mMap.clear();
}
mClear = false;
}
for (Entry<String, Object> e : mModified.entrySet()) {
String k = e.getKey();
Object v = e.getValue();
if (v == this) { // magic value for a removal mutation
if (!mMap.containsKey(k)) {
continue;
}
mMap.remove(k);
} else {
boolean isSame = false;
if (mMap.containsKey(k)) {
Object existingValue = mMap.get(k);
if (existingValue != null && existingValue.equals(v)) {
continue;
}
}
mMap.put(k, v);
}
mcr.changesMade = true;
if (hasListeners) {
mcr.keysModified.add(k);
}
}
mModified.clear();
}
}
return mcr;
}
public boolean commit() {
MemoryCommitResult mcr = commitToMemory();
SharedPreferencesImpl.this.enqueueDiskWrite(
mcr, null /* sync write on this thread okay */);
try {
mcr.writtenToDiskLatch.await();
} catch (InterruptedException e) {
return false;
}
notifyListeners(mcr);
return mcr.writeToDiskResult;
}
private void notifyListeners(final MemoryCommitResult mcr) {
if (mcr.listeners == null || mcr.keysModified == null ||
mcr.keysModified.size() == 0) {
return;
}
if (Looper.myLooper() == Looper.getMainLooper()) {
for (int i = mcr.keysModified.size() - 1; i >= 0; i--) {
final String key = mcr.keysModified.get(i);
for (OnSharedPreferenceChangeListener listener : mcr.listeners) {
if (listener != null) {
listener.onSharedPreferenceChanged(SharedPreferencesImpl.this, key);
}
}
}
} else {
// Run this function on the main thread.
ActivityThread.sMainThreadHandler.post(new Runnable() {
public void run() {
notifyListeners(mcr);
}
});
}
}
}
/**
* Enqueue an already-committed-to-memory result to be written
* to disk.
*
* They will be written to disk one-at-a-time in the order
* that they're enqueued.
*
* @param postWriteRunnable if non-null, we're being called
* from startCommit() and this is the runnable to run after
* the write proceeds. if null (from a regular commit()),
* then we're allowed to do this disk write on the main
* thread (which in addition to reducing allocations and
* creating a background thread, this has the advantage that
* we catch them in userdebug StrictMode reports to convert
* them where possible to startCommit...)
*/
private void enqueueDiskWrite(final MemoryCommitResult mcr,
final Runnable postWriteRunnable) {
final Runnable writeToDiskRunnable = new Runnable() {
public void run() {
synchronized (mWritingToDiskLock) {
writeToFile(mcr);
}
synchronized (SharedPreferencesImpl.this) {
mDiskWritesInFlight--;
}
if (postWriteRunnable != null) {
postWriteRunnable.run();
}
}
};
final boolean isFromSyncCommit = (postWriteRunnable == null);
// Typical #commit() path with fewer allocations, doing a write on
// the current thread.
if (isFromSyncCommit) {
boolean wasEmpty = false;
synchronized (SharedPreferencesImpl.this) {
wasEmpty = mDiskWritesInFlight == 1;
}
if (wasEmpty) {
writeToDiskRunnable.run();
return;
}
}
QueuedWork.singleThreadExecutor().execute(writeToDiskRunnable);
}
private static FileOutputStream createFileOutputStream(File file) {
FileOutputStream str = null;
try {
str = new FileOutputStream(file);
} catch (FileNotFoundException e) {
File parent = file.getParentFile();
if (!parent.mkdir()) {
Log.e(TAG, "Couldn't create directory for SharedPreferences file " + file);
return null;
}
FileUtils.setPermissions(
parent.getPath(),
FileUtils.S_IRWXU|FileUtils.S_IRWXG|FileUtils.S_IXOTH,
-1, -1);
try {
str = new FileOutputStream(file);
} catch (FileNotFoundException e2) {
Log.e(TAG, "Couldn't create SharedPreferences file " + file, e2);
}
}
return str;
}
// Note: must hold mWritingToDiskLock
private void writeToFile(MemoryCommitResult mcr) {
// Rename the current file so it may be used as a backup during the next read
if (mFile.exists()) {
if (!mcr.changesMade) {
// If the file already exists, but no changes were
// made to the underlying map, it's wasteful to
// re-write the file. Return as if we wrote it
// out.
mcr.setDiskWriteResult(true);
return;
}
if (!mBackupFile.exists()) {
if (!mFile.renameTo(mBackupFile)) {
Log.e(TAG, "Couldn't rename file " + mFile
+ " to backup file " + mBackupFile);
mcr.setDiskWriteResult(false);
return;
}
} else {
mFile.delete();
}
}
// Attempt to write the file, delete the backup and return true as atomically as
// possible. If any exception occurs, delete the new file; next time we will restore
// from the backup.
try {
FileOutputStream str = createFileOutputStream(mFile);
if (str == null) {
mcr.setDiskWriteResult(false);
return;
}
XmlUtils.writeMapXml(mcr.mapToWriteToDisk, str);
str.close();
setFilePermissionsFromMode(mFile.getPath(), mMode, 0);
FileStatus stat = new FileStatus();
if (FileUtils.getFileStatus(mFile.getPath(), stat)) {
synchronized (this) {
mTimestamp = stat.mtime;
}
}
// Writing was successful, delete the backup file if there is one.
mBackupFile.delete();
mcr.setDiskWriteResult(true);
return;
} catch (XmlPullParserException e) {
Log.w(TAG, "writeToFile: Got exception:", e);
} catch (IOException e) {
Log.w(TAG, "writeToFile: Got exception:", e);
}
// Clean up an unsuccessfully written file
if (mFile.exists()) {
if (!mFile.delete()) {
Log.e(TAG, "Couldn't clean up partially-written file " + mFile);
}
}
mcr.setDiskWriteResult(false);
}
}
}