Examples with Message android.os.Message used on opensource projects

Example 26 with Message

use of android.os.Message in project android_frameworks_base by ParanoidAndroid.

the class BackupManagerService method restoreAtInstall.

// An application being installed will need a restore pass, then the Package Manager
// will need to be told when the restore is finished.
public void restoreAtInstall(String packageName, int token) {
    if (Binder.getCallingUid() != Process.SYSTEM_UID) {
        Slog.w(TAG, "Non-system process uid=" + Binder.getCallingUid() + " attemping install-time restore");
        return;
    }
    long restoreSet = getAvailableRestoreToken(packageName);
    if (DEBUG)
        Slog.v(TAG, "restoreAtInstall pkg=" + packageName + " token=" + Integer.toHexString(token) + " restoreSet=" + Long.toHexString(restoreSet));
    if (mAutoRestore && mProvisioned && restoreSet != 0) {
        // okay, we're going to attempt a restore of this package from this restore set.
        // The eventual message back into the Package Manager to run the post-install
        // steps for 'token' will be issued from the restore handling code.
        // We can use a synthetic PackageInfo here because:
        //   1. We know it's valid, since the Package Manager supplied the name
        //   2. Only the packageName field will be used by the restore code
        PackageInfo pkg = new PackageInfo();
        pkg.packageName = packageName;
        mWakelock.acquire();
        Message msg = mBackupHandler.obtainMessage(MSG_RUN_RESTORE);
        msg.obj = new RestoreParams(getTransport(mCurrentTransport), null, restoreSet, pkg, token, true);
        mBackupHandler.sendMessage(msg);
    } else {
        // Manager to proceed with the post-install handling for this package.
        if (DEBUG)
            Slog.v(TAG, "No restore set -- skipping restore");
        try {
            mPackageManagerBinder.finishPackageInstall(token);
        } catch (RemoteException e) {
        /* can't happen */
        }
    }
}

Example 27 with Message

use of android.os.Message in project android_frameworks_base by ParanoidAndroid.

the class BackupManagerService method opComplete.

// 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;
    synchronized (mCurrentOpLock) {
        op = mCurrentOperations.get(token);
        if (op != null) {
            op.state = OP_ACKNOWLEDGED;
        }
        mCurrentOpLock.notifyAll();
    }
    // The completion callback, if any, is invoked on the handler
    if (op != null && op.callback != null) {
        Message msg = mBackupHandler.obtainMessage(MSG_OP_COMPLETE, op.callback);
        mBackupHandler.sendMessage(msg);
    }
}

Example 28 with Message

use of android.os.Message in project android_frameworks_base by ParanoidAndroid.

the class AlarmManagerService method setLocked.

private void setLocked(Alarm alarm) {
    if (mDescriptor != -1) {
        // The kernel never triggers alarms with negative wakeup times
        // so we ensure they are positive.
        long alarmSeconds, alarmNanoseconds;
        if (alarm.when < 0) {
            alarmSeconds = 0;
            alarmNanoseconds = 0;
        } else {
            alarmSeconds = alarm.when / 1000;
            alarmNanoseconds = (alarm.when % 1000) * 1000 * 1000;
        }
        set(mDescriptor, alarm.type, alarmSeconds, alarmNanoseconds);
    } else {
        Message msg = Message.obtain();
        msg.what = ALARM_EVENT;
        mHandler.removeMessages(ALARM_EVENT);
        mHandler.sendMessageAtTime(msg, alarm.when);
    }
}

Example 29 with Message

use of android.os.Message in project android_frameworks_base by ParanoidAndroid.

the class BackupManagerService method clearBackupData.

// Clear the given package's backup data from the current transport
public void clearBackupData(String packageName) {
    if (DEBUG)
        Slog.v(TAG, "clearBackupData() of " + packageName);
    PackageInfo info;
    try {
        info = mPackageManager.getPackageInfo(packageName, PackageManager.GET_SIGNATURES);
    } catch (NameNotFoundException e) {
        Slog.d(TAG, "No such package '" + packageName + "' - not clearing backup data");
        return;
    }
    // If the caller does not hold the BACKUP permission, it can only request a
    // wipe of its own backed-up data.
    HashSet<String> apps;
    if ((mContext.checkPermission(android.Manifest.permission.BACKUP, Binder.getCallingPid(), Binder.getCallingUid())) == PackageManager.PERMISSION_DENIED) {
        apps = mBackupParticipants.get(Binder.getCallingUid());
    } else {
        // !!! TODO: allow data-clear of ANY app?
        if (DEBUG)
            Slog.v(TAG, "Privileged caller, allowing clear of other apps");
        apps = new HashSet<String>();
        int N = mBackupParticipants.size();
        for (int i = 0; i < N; i++) {
            HashSet<String> s = mBackupParticipants.valueAt(i);
            if (s != null) {
                apps.addAll(s);
            }
        }
    }
    // Is the given app an available participant?
    if (apps.contains(packageName)) {
        if (DEBUG)
            Slog.v(TAG, "Found the app - running clear process");
        // found it; fire off the clear request
        synchronized (mQueueLock) {
            long oldId = Binder.clearCallingIdentity();
            mWakelock.acquire();
            Message msg = mBackupHandler.obtainMessage(MSG_RUN_CLEAR, new ClearParams(getTransport(mCurrentTransport), info));
            mBackupHandler.sendMessage(msg);
            Binder.restoreCallingIdentity(oldId);
        }
    }
}

Example 30 with Message

use of android.os.Message in project android_frameworks_base by ParanoidAndroid.

the class NsdService method replyToMessage.

private void replyToMessage(Message msg, int what, Object obj) {
    if (msg.replyTo == null)
        return;
    Message dstMsg = obtainMessage(msg);
    dstMsg.what = what;
    dstMsg.obj = obj;
    mReplyChannel.replyToMessage(msg, dstMsg);
}