diff options
Diffstat (limited to 'services/backup/java/com/android/server/backup/BackupManagerService.java')
| -rw-r--r-- | services/backup/java/com/android/server/backup/BackupManagerService.java | 37 |
1 files changed, 19 insertions, 18 deletions
diff --git a/services/backup/java/com/android/server/backup/BackupManagerService.java b/services/backup/java/com/android/server/backup/BackupManagerService.java index fea1a7a..6c2681b 100644 --- a/services/backup/java/com/android/server/backup/BackupManagerService.java +++ b/services/backup/java/com/android/server/backup/BackupManagerService.java @@ -153,7 +153,7 @@ import javax.crypto.spec.SecretKeySpec; import libcore.io.IoUtils; -public class BackupManagerService extends IBackupManager.Stub { +public class BackupManagerService { private static final String TAG = "BackupManagerService"; private static final boolean DEBUG = true; @@ -322,8 +322,12 @@ public class BackupManagerService extends IBackupManager.Stub { // Watch the device provisioning operation during setup ContentObserver mProvisionedObserver; - static BackupManagerService sInstance; - static BackupManagerService getInstance() { + // The published binder is actually to a singleton trampoline object that calls + // through to the proper code. This indirection lets us turn down the heavy + // implementation object on the fly without disturbing binders that have been + // cached elsewhere in the system. + static Trampoline sInstance; + static Trampoline getInstance() { // Always constructed during system bringup, so no need to lazy-init return sInstance; } @@ -332,7 +336,7 @@ public class BackupManagerService extends IBackupManager.Stub { public Lifecycle(Context context) { super(context); - sInstance = new BackupManagerService(context); + sInstance = new Trampoline(context); } @Override @@ -342,11 +346,17 @@ public class BackupManagerService extends IBackupManager.Stub { @Override public void onBootPhase(int phase) { - if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) { + if (phase == PHASE_SYSTEM_SERVICES_READY) { + sInstance.initialize(UserHandle.USER_OWNER); + } else if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) { ContentResolver r = sInstance.mContext.getContentResolver(); boolean areEnabled = Settings.Secure.getInt(r, Settings.Secure.BACKUP_ENABLED, 0) != 0; - sInstance.setBackupEnabled(areEnabled); + try { + sInstance.setBackupEnabled(areEnabled); + } catch (RemoteException e) { + // can't happen; it's a local object + } } } } @@ -934,7 +944,7 @@ public class BackupManagerService extends IBackupManager.Stub { // ----- Main service implementation ----- - public BackupManagerService(Context context) { + public BackupManagerService(Context context, Trampoline parent) { mContext = context; mPackageManager = context.getPackageManager(); mPackageManagerBinder = AppGlobals.getPackageManager(); @@ -944,7 +954,7 @@ public class BackupManagerService extends IBackupManager.Stub { mPowerManager = (PowerManager) context.getSystemService(Context.POWER_SERVICE); mMountService = IMountService.Stub.asInterface(ServiceManager.getService("mount")); - mBackupManagerBinder = asInterface(asBinder()); + mBackupManagerBinder = Trampoline.asInterface(parent.asBinder()); // spin up the backup/restore handler thread mHandlerThread = new HandlerThread("backup", Process.THREAD_PRIORITY_BACKGROUND); @@ -1451,7 +1461,6 @@ public class BackupManagerService extends IBackupManager.Stub { return false; } - @Override public boolean setBackupPassword(String currentPw, String newPw) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP, "setBackupPassword"); @@ -1532,7 +1541,6 @@ public class BackupManagerService extends IBackupManager.Stub { return false; } - @Override public boolean hasBackupPassword() { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP, "hasBackupPassword"); @@ -8145,7 +8153,6 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF // // This is the variant used by 'adb backup'; it requires on-screen confirmation // by the user because it can be used to offload data over untrusted USB. - @Override public void fullBackup(ParcelFileDescriptor fd, boolean includeApks, boolean includeObbs, boolean includeShared, boolean doWidgets, boolean doAllApps, boolean includeSystem, boolean compress, String[] pkgList) { @@ -8217,7 +8224,6 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF } } - @Override public void fullTransportBackup(String[] pkgNames) { mContext.enforceCallingPermission(android.Manifest.permission.BACKUP, "fullTransportBackup"); @@ -8247,7 +8253,6 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF } } - @Override public void fullRestore(ParcelFileDescriptor fd) { mContext.enforceCallingPermission(android.Manifest.permission.BACKUP, "fullRestore"); @@ -8343,7 +8348,6 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF // Confirm that the previously-requested full backup/restore operation can proceed. This // is used to require a user-facing disclosure about the operation. - @Override public void acknowledgeFullBackupOrRestore(int token, boolean allow, String curPassword, String encPpassword, IFullBackupRestoreObserver observer) { if (DEBUG) Slog.d(TAG, "acknowledgeFullBackupOrRestore : token=" + token @@ -8391,8 +8395,7 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF } } - // Enable/disable the backup service - @Override + // Enable/disable backups public void setBackupEnabled(boolean enable) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP, "setBackupEnabled"); @@ -8798,7 +8801,6 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF // Note that a currently-active backup agent has notified us that it has // completed the given outstanding asynchronous backup/restore operation. - @Override public void opComplete(int token) { if (MORE_DEBUG) Slog.v(TAG, "opComplete: " + Integer.toHexString(token)); Operation op = null; @@ -9147,7 +9149,6 @@ if (MORE_DEBUG) Slog.v(TAG, " + got " + nRead + "; now wanting " + (size - soF } } - @Override public void dump(FileDescriptor fd, PrintWriter pw, String[] args) { mContext.enforceCallingOrSelfPermission(android.Manifest.permission.DUMP, TAG); |