com.mindprotectionkit.freephone.contacts.ContactAccessor.java Source code

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Here is the source code for com.mindprotectionkit.freephone.contacts.ContactAccessor.java

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/*
 * Copyright (C) 2011 Whisper Systems
 *
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

package com.mindprotectionkit.freephone.contacts;

import android.content.ContentUris;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.provider.ContactsContract;
import android.provider.ContactsContract.CommonDataKinds.Phone;
import android.support.v4.content.CursorLoader;

import java.io.InputStream;

/**
 * Interface for accessing contacts.  Used to delegate between old (1.x) and
 * new (2.x+) Contacts interfaces, but we've finally dropped 1.6 support.
 *
 * @author Moxie Marlinspike
 *
 */

public class ContactAccessor {

    private static final ContactAccessor instance = new ContactAccessor();

    private static Bitmap defaultContactPhoto;

    private static final String[] PEOPLE_PROJECTION = { Phone.TYPE, Phone.DISPLAY_NAME, Phone.CONTACT_ID,
            Phone.NUMBER, Phone._ID };

    private static final String PEOPLE_SELECTION = "( " + Phone.DISPLAY_NAME + " NOT NULL )";

    private static final String PEOPLE_ORDER = "UPPER( " + Phone.DISPLAY_NAME + " ) ASC";

    private static final String FAVORITES_ORDER = Phone.TIMES_CONTACTED + " DESC LIMIT 20";

    public static ContactAccessor getInstance() {
        return instance;
    }

    private ContactAccessor() {
    }

    public CursorLoader getPeopleCursor(Context context) {
        return getPeopleCursor(context, Phone.CONTENT_URI);
    }

    public CursorLoader getPeopleCursor(Context context, String filter) {
        Uri uri = Uri.withAppendedPath(Phone.CONTENT_FILTER_URI, Uri.encode(filter));
        return getPeopleCursor(context, uri);
    }

    private CursorLoader getPeopleCursor(Context context, Uri uri) {
        return new CursorLoader(context, uri, PEOPLE_PROJECTION, PEOPLE_SELECTION, null, PEOPLE_ORDER);
    }

    public CursorLoader getFavoritesCursor(Context context) {
        return getFavoritesCursor(context, Phone.CONTENT_URI);
    }

    public CursorLoader getFavoritesCursor(Context context, String filter) {
        Uri uri = Uri.withAppendedPath(Phone.CONTENT_FILTER_URI, Uri.encode(filter));
        return getFavoritesCursor(context, uri);
    }

    private CursorLoader getFavoritesCursor(Context context, Uri uri) {
        return new CursorLoader(context, uri, PEOPLE_PROJECTION, PEOPLE_SELECTION, null, FAVORITES_ORDER);
    }

    public Bitmap getPhoto(Context context, long rowId) {
        Uri photoLookupUri = ContentUris.withAppendedId(ContactsContract.Contacts.CONTENT_URI, rowId);

        InputStream inputStream = ContactsContract.Contacts
                .openContactPhotoInputStream(context.getContentResolver(), photoLookupUri);

        if (inputStream == null)
            return getDefaultContactPhoto(context);
        else
            return BitmapFactory.decodeStream(inputStream);
    }

    public Bitmap getDefaultContactPhoto(Context context) {
        synchronized (this) {
            if (defaultContactPhoto == null)
                defaultContactPhoto = BitmapFactory.decodeResource(context.getResources(),
                        com.mindprotectionkit.freephone.R.drawable.ic_contact_picture);
        }

        return defaultContactPhoto;
    }

    public class NumberData {
        public String number;
        public String type;

        @Override
        public String toString() {
            return type + ": " + number;
        }
    }
}