no.ntnu.idi.socialhitchhiking.utility.SocialHitchhikingActivity.java Source code

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Here is the source code for no.ntnu.idi.socialhitchhiking.utility.SocialHitchhikingActivity.java

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/*******************************************************************************
 * @contributor(s): Freerider Team (Group 4, IT2901 Fall 2012, NTNU)
 * @contributor(s): Freerider Team 2 (Group 3, IT2901 Spring 2013, NTNU)
 * @version: 2.0
 * 
 * Copyright 2013 Freerider Team 2
 * 
 * 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 no.ntnu.idi.socialhitchhiking.utility;

import java.io.IOException;
import java.util.concurrent.ExecutionException;

import no.ntnu.idi.freerider.protocol.LoginRequest;
import no.ntnu.idi.freerider.protocol.Response;
import no.ntnu.idi.freerider.protocol.ResponseStatus;
import no.ntnu.idi.socialhitchhiking.Main;
import no.ntnu.idi.socialhitchhiking.R;
import no.ntnu.idi.socialhitchhiking.SocialHitchhikingApplication;
import no.ntnu.idi.socialhitchhiking.client.RequestTask;

import org.apache.http.client.ClientProtocolException;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;

/**
 * Custom {@link Activity} class. Implements the proper menu behavior
 * needed by the application.
 * 
 * @extends Activity
 * 
 * @author Christian Thurmann-Nielsen
 *
 */
public abstract class SocialHitchhikingActivity extends Activity {

    private SocialHitchhikingApplication app;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        app = (SocialHitchhikingApplication) getApplication();
    }

    @Override
    /**
     * Creates a menu from the xml_menu.xml file.
     * 
     */
    public boolean onCreateOptionsMenu(Menu menu) {
        MenuInflater inflater = getMenuInflater();
        inflater.inflate(R.menu.xml_menu, menu);
        return super.onCreateOptionsMenu(menu);
    }

    @Override
    /**
     * Defines what happens when you click a {@link MenuItem}
     */
    public boolean onOptionsItemSelected(MenuItem item) {
        if (item.getItemId() == R.id.menu_setting) {
            startSettingsActvity();
            return true;
        } else {
            return super.onOptionsItemSelected(item);
        }

    }

    private void startSettingsActvity() {
        initActivity(no.ntnu.idi.socialhitchhiking.utility.SettingsActivity.class);
    }

    @Override
    protected void onPause() {
        super.onPause();
    }

    public SocialHitchhikingApplication getApp() {
        return app;
    }

    /**
     * Starts an activity via a class. This method prevents the application from starting
     * activities that already exists. It checks whether the {@param cl} is the current
     * activity. If it is, the activity should not be started, because we will then have 
     * two running activities of the same class.
     * 
     * @param cl - The activity class that should be started.
     */
    @SuppressWarnings("rawtypes")
    protected void initActivity(Class cl) {
        if (cl != this.getClass()) {
            Intent intent = new Intent(this, cl);
            startActivity(intent);
            finish();
        }

    }

    protected boolean sendLoginRequest() {
        LoginRequest req = new LoginRequest(getApp().getUser(), getApp().getSettings().getAccessToken());
        Response res;
        try {
            Log.d("FACEBOOK", "sendLoginRequest()");
            res = RequestTask.sendRequest(req, getApp());
            if (res.getStatus() == ResponseStatus.OK)
                return true;
        } catch (ClientProtocolException e) {
            createAlertDialog(this, false, "Login", "accepted",
                    "Server is probably down, or you're not connected to the internet.\nExiting");
            e.printStackTrace();
        } catch (IOException e) {
            createAlertDialog(this, false, "Login", "accepted",
                    "Server is probably down, or you're not connected to the internet.\nExiting");
            e.printStackTrace();
        } catch (InterruptedException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        } catch (ExecutionException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        return false;
    }

    protected void createAlertDialog(SocialHitchhikingActivity activity, boolean flag, final String type,
            String action, String msg) {
        if (flag) {
            new AlertDialog.Builder(this).setTitle("Confirmed").setMessage(type + " " + action + "!")
                    .setNegativeButton("Close", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface dialog, int which) {
                        }
                    }).show();
        } else {
            new AlertDialog.Builder(activity).setTitle("ERROR").setMessage(type + " not " + action + "!\n" + msg)
                    .setNegativeButton("Close", new DialogInterface.OnClickListener() {
                        @Override
                        public void onClick(DialogInterface arg0, int arg1) {
                            if (type.equals("Login")) {
                                finish();
                            }
                        }

                    }).show();
        }
    }
}