/*
 * Copyright (C) 2012 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.uidisolation.cts;

import android.app.Activity;
import android.app.Service;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.Handler;
import android.os.IBinder;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.util.Log;

public class ServiceRunnerActivity extends Activity {
    private static String TAG = ServiceRunnerActivity.class.getName();

    private Messenger mService;
    private boolean mIsBound;

    private Boolean mSuccess;

    public synchronized Boolean getSuccess() {
        return mSuccess;
    }

    // Handler of incoming messages from service.
    class IncomingHandler extends Handler {
        private ServiceRunnerActivity mActivity;

        IncomingHandler(ServiceRunnerActivity activity) {
            mActivity = activity;
        }

        @Override
        public void handleMessage(Message msg) {
            switch (msg.what) {
                case PermissionTestService.MSG_NOTIFY_TEST_SUCCESS:
                    synchronized (mActivity) {
                        mActivity.mSuccess = Boolean.TRUE;
                        mActivity.notify();
                    }
                    doUnbindService();
                   break;
                case PermissionTestService.MSG_NOTIFY_TEST_FAILURE:
                    synchronized (mActivity) {
                        mActivity.mSuccess = Boolean.FALSE;
                        mActivity.notify();
                    }
                    doUnbindService();
                    break;
               default:
                   super.handleMessage(msg);
                   return;
            }
        }
    }

    // Target we publish for clients to send messages to IncomingHandler.
    final Messenger mMessenger = new Messenger(new IncomingHandler(this));

    private ServiceConnection mConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName className, IBinder service) {
            mService = new Messenger(service);

            // Send a message to the service to register.
            try {
                Message msg = Message.obtain(null, PermissionTestService.MSG_START_TEST);
                msg.replyTo = mMessenger;
                mService.send(msg);
            } catch (RemoteException e) {
                // In this case the service has crashed before we could even do anything.
                Log.e(TAG, "Failed to send start message to service.");
            }
        }

        @Override
        public void onServiceDisconnected(ComponentName className) {
            // This is called when the connection with the service has been unexpectedly
            // disconnected -- that is, its process crashed.
            Log.e(TAG, "Service disconnected.");
            mService = null;
        }
    };


    void doBindService(boolean isolated) {
        bindService(new Intent(this, isolated
                ? IsolatedPermissionTestService.class
                : PermissionTestService.class),
                mConnection, Context.BIND_AUTO_CREATE);
        mIsBound = true;
    }

    void doUnbindService() {
        // Detach our existing connection.
        unbindService(mConnection);
        mIsBound = false;
    }

    void startNonIsolatedService() {
        doBindService(false);
    }

    void startIsolatedService() {
        doBindService(true);
    }
}