net.reichholf.dreamdroid.activities.SearchEpgActivity.java Source code

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Here is the source code for net.reichholf.dreamdroid.activities.SearchEpgActivity.java

Source

/*  2010 Stephan Reichholf <stephan at reichholf dot net>
 * 
 * Licensed under the Create-Commons Attribution-Noncommercial-Share Alike 3.0 Unported
 * http://creativecommons.org/licenses/by-nc-sa/3.0/
 */

package net.reichholf.dreamdroid.activities;

import java.util.ArrayList;

import net.reichholf.dreamdroid.R;
import net.reichholf.dreamdroid.abstivities.AbstractHttpEventListActivity;
import net.reichholf.dreamdroid.helpers.ExtendedHashMap;
import net.reichholf.dreamdroid.helpers.enigma2.Event;
import net.reichholf.dreamdroid.helpers.enigma2.requesthandler.impl.EpgSearchRequestHandler;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;

import android.app.SearchManager;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ListView;
import android.widget.SimpleAdapter;

/**
 * Search the EPG for a specific term.<br>
 * Called when search is being requested by the user (by Hard- or Software-Key).
 * 
 * @author sreichholf
 * 
 */
public class SearchEpgActivity extends AbstractHttpEventListActivity {
    private SearchEpgListTask mSearchEpgListTask;
    private String mQuery;

    /**
     * <code>AsyncTask</code> to get the EPG information for the given search
     * term
     * 
     * @author sreichholf
     * 
     */
    private class SearchEpgListTask extends AsyncListUpdateTask {
        public SearchEpgListTask() {
            super(getString(R.string.epg_search), new EpgSearchRequestHandler(), false);
        }
    }

    /*
     * (non-Javadoc)
     * 
     * @see
     * net.reichholf.dreamdroid.activities.AbstractHttpListActivity#onCreate
     * (android.os.Bundle)
     */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        Intent intent = getIntent();

        if (Intent.ACTION_SEARCH.equals(intent.getAction())) {
            mQuery = intent.getStringExtra(SearchManager.QUERY);
            setAdapter();
            search();
        } else {
            finish();
        }

    }

    /*
     * (non-Javadoc)
     * 
     * @see android.app.Activity#onPause()
     */
    @Override
    public void onPause() {
        if (mSearchEpgListTask != null) {
            mSearchEpgListTask.cancel(true);
        }

        super.onPause();
    }

    /*
     * (non-Javadoc)
     * 
     * @seenet.reichholf.dreamdroid.activities.AbstractHttpListActivity#
     * onSaveInstanceState(android.os.Bundle)
     */
    @Override
    public void onSaveInstanceState(Bundle outState) {
        outState.putSerializable("currentItem", mCurrentItem);
        super.onSaveInstanceState(outState);
    }

    /*
     * (non-Javadoc)
     * 
     * @seenet.reichholf.dreamdroid.activities.AbstractHttpListActivity#
     * onRestoreInstanceState(android.os.Bundle)
     */
    @Override
    public void onRestoreInstanceState(Bundle savedInstanceState) {
        super.onRestoreInstanceState(savedInstanceState);

        mCurrentItem = (ExtendedHashMap) savedInstanceState.getSerializable("currentItem");
        setAdapter();
    }

    /*
     * (non-Javadoc)
     * 
     * @see android.app.ListActivity#onListItemClick(android.widget.ListView,
     * android.view.View, int, long)
     */
    @Override
    protected void onListItemClick(ListView l, View v, int position, long id) {
        mCurrentItem = mMapList.get((int) id);

        // if the dialog has been opened before, remove that instance
        removeDialog(DIALOG_EPG_ITEM_ID);
        showDialog(DIALOG_EPG_ITEM_ID);

    }

    /* (non-Javadoc)
     * @see net.reichholf.dreamdroid.abstivities.AbstractHttpListActivity#generateTitle()
     */
    @Override
    protected String genWindowTitle(String title) {
        return title + " - '" + mQuery + "'";
    }

    /**
     * Initializes the <code>SimpleListAdapter</code>
     */
    private void setAdapter() {
        mAdapter = new SimpleAdapter(this, mMapList, R.layout.epg_multi_service_list_item,
                new String[] { Event.SERVICE_NAME, Event.EVENT_TITLE, Event.EVENT_START_READABLE,
                        Event.EVENT_DURATION_READABLE },
                new int[] { R.id.service_name, R.id.event_title, R.id.event_start, R.id.event_duration });
        setListAdapter(mAdapter);
    }

    /**
     * Issues the search by executing a new <code>GetSearchEpgListTask</code>
     */
    @SuppressWarnings("unchecked")
    private void search() {
        ArrayList<NameValuePair> params = new ArrayList<NameValuePair>();
        params.add(new BasicNameValuePair("search", mQuery));

        if (mSearchEpgListTask != null) {
            mSearchEpgListTask.cancel(true);
        }

        mSearchEpgListTask = new SearchEpgListTask();
        mSearchEpgListTask.execute(params);
    }

}