org.simlar.SimlarServiceCommunicator.java Source code

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Here is the source code for org.simlar.SimlarServiceCommunicator.java

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/**
 * Copyright (C) 2013 The Simlar Authors.
 *
 * This file is part of Simlar. (http://www.simlar.org)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */

package org.simlar;

import org.simlar.SimlarService.SimlarServiceBinder;

import android.content.BroadcastReceiver;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.support.v4.content.LocalBroadcastManager;
import android.util.Log;

public class SimlarServiceCommunicator {
    private static final String DEFAULT_LOGTAG = "SimlarServiceCommunicator";
    final String mLogtag;
    SimlarService mService = null;
    Class<?> mActivity = null;

    public SimlarServiceCommunicator(final String logtag) {
        if (Util.isNullOrEmpty(logtag)) {
            mLogtag = DEFAULT_LOGTAG;
        } else {
            mLogtag = logtag;
        }
    }

    private ServiceConnection mConnection = new ServiceConnection() {
        @Override
        public void onServiceConnected(ComponentName className, IBinder binder) {
            Log.i(mLogtag, "onServiceConnected");
            mService = ((SimlarServiceBinder) binder).getService();
            if (mService == null) {
                Log.e(mLogtag, "failed to bind to service");
                return;
            }
            if (mActivity == null) {
                Log.e(mLogtag, "no activity set");
                return;
            }
            mService.registerActivityToNotification(mActivity);
            onBoundToSimlarService();
        }

        @Override
        public void onServiceDisconnected(ComponentName arg0) {
            Log.i(mLogtag, "onServiceDisconnected");
            mService = null;
        }
    };

    private BroadcastReceiver mReceiver = new BroadcastReceiver() {

        @Override
        public void onReceive(Context context, Intent intent) {
            if (intent == null) {
                Log.e(mLogtag, "Error in onReceive: no intent");
                return;
            }

            SimlarServiceBroadcast fsb = (SimlarServiceBroadcast) intent
                    .getSerializableExtra(SimlarServiceBroadcast.INTENT_EXTRA);
            if (fsb == null) {
                Log.e(mLogtag, "Error in onReceive: no SimlarServiceBroadcast");
                return;
            }

            // NOTE: the app crashes if the cast fails but I want it this way
            switch (fsb.type) {
            case SIMLAR_STATUS: {
                onSimlarStatusChanged();
                return;
            }
            case PRESENCE_STATE: {
                SimlarServiceBroadcast.PresenceStateChanged c = (SimlarServiceBroadcast.PresenceStateChanged) fsb.parameters;
                onPresenceStateChanged(c.number, c.online);
                return;
            }
            case SIMLAR_CALL_STATE: {
                onSimlarCallStateChanged();
                return;
            }
            case SERVICE_FINISHES: {
                onServiceFinishes();
                return;
            }
            case TEST_REGISTRATION_FAILED: {
                onTestRegistrationFailed();
                return;
            }
            case TEST_REGISTRATION_SUCCESS: {
                onTestRegistrationSuccess();
                return;
            }
            default:
                Log.e(mLogtag, "Error in onReceive: unkown type");
                return;
            }
        }
    };

    public void register(final Context context, final Class<?> activity) {
        startServiceAndRegister(context, activity, true);
    }

    public void startServiceAndRegister(final Context context, final Class<?> activity) {
        startServiceAndRegister(context, activity, false);
    }

    private void startServiceAndRegister(final Context context, final Class<?> activity, boolean onlyRegister) {
        mActivity = activity;
        final Intent intent = new Intent(context, SimlarService.class);
        if (!onlyRegister) {
            context.startService(intent);
        }
        context.bindService(intent, mConnection, Context.BIND_AUTO_CREATE);
        LocalBroadcastManager.getInstance(context).registerReceiver(mReceiver,
                new IntentFilter(SimlarServiceBroadcast.BROADCAST_NAME));
    }

    public void unregister(final Context context) {
        LocalBroadcastManager.getInstance(context).unregisterReceiver(mReceiver);
        if (mService != null) {
            context.unbindService(mConnection);
        }
    }

    void onBoundToSimlarService() {
    }

    void onSimlarStatusChanged() {
    }

    @SuppressWarnings("unused")
    void onPresenceStateChanged(final String number, final boolean online) {
    }

    void onSimlarCallStateChanged() {
    }

    void onServiceFinishes() {
    }

    void onTestRegistrationFailed() {
    }

    void onTestRegistrationSuccess() {
    }

    public SimlarService getService() {
        return mService;
    }
}