contextapi/code/ContextHome/src/uk/co/md87/android/contexthome/modules/ContactsModule.java

/*
 * Copyright (c) 2009-2010 Chris Smith
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package uk.co.md87.android.contexthome.modules;

import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Handler;
import android.provider.Contacts.People;
import android.provider.Contacts.Photos;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.LinearLayout;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import uk.co.md87.android.contexthome.DataHelper;

import uk.co.md87.android.contexthome.Module;
import uk.co.md87.android.contexthome.R;

/**
 * A module which displays contact shortcuts.
 *
 * @author chris
 */
public class ContactsModule extends Module implements Comparator<Long> {

    public ContactsModule(DataHelper helper) {
        super(helper);
    }

    /** {@inheritDoc} */
    @Override
    public void addViews(final ViewGroup parent, final Context context, final int weight) {
        final View view = View.inflate(context, R.layout.scroller, null);
        final LinearLayout layout = (LinearLayout) view.findViewById(R.id.content);

        final View.OnClickListener listener = new View.OnClickListener() {

            public void onClick(View view) {
                Intent intent = new Intent(Intent.ACTION_VIEW);
                intent.setType(People.CONTENT_ITEM_TYPE);
                intent.setData((Uri) view.getTag());
                context.startActivity(intent);

                recordAction(getMap(ContentUris.parseId((Uri) view.getTag())));
            }
        };

        final Handler handler = new Handler();

        new Thread(new Runnable() {

            public void run() {
                final Cursor cursor = context.getContentResolver().query(Photos.CONTENT_URI,
                        new String[] { "person" }, "exists_on_server != 0", null, null);

                final int column = cursor.getColumnIndex("person");
                final List<Long> hits = new ArrayList<Long>(cursor.getCount());
                if (cursor.moveToFirst()) {
                    do {
                        hits.add(cursor.getLong(column));
                    } while (cursor.moveToNext());
                }

                Collections.sort(hits, ContactsModule.this);

                final List<View> views = new ArrayList<View>(hits.size());

                for (Long id : hits) {
                    views.add(getView(context, listener, id));
                }

                handler.post(new Runnable() {

                    public void run() {
                        for (View myView : views) {
                            layout.addView(myView, 52, 52);
                        }
                    }
                });
            }
        }).start();

        parent.addView(view);
    }

    private final View getView(final Context context, View.OnClickListener listener,
            final long id) {
        final ImageView image = new ImageView(context);
        image.setFocusable(true);
        image.setClickable(true);
        Uri uri = ContentUris.withAppendedId(People.CONTENT_URI, id);
        image.setTag(uri);
        image.setImageBitmap(People.loadContactPhoto(context,
                    uri, R.drawable.blank, null));
        image.setOnClickListener(listener);
        image.setBackgroundResource(R.drawable.grid_selector);
        image.setPadding(2, 2, 2, 2);

        return image;
    }

    public Map<String, String> getMap(final Long id) {
        final Map<String, String> params = new HashMap<String, String>();
        params.put("contactid", String.valueOf(id));

        return params;
    }

    public int compare(final Long arg0, final Long arg1) {
        return getScore(getMap(arg1)) - getScore(getMap(arg0));
    }

}