com.dwdesign.tweetings.loader.UserListMembersLoader.java Source code

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Here is the source code for com.dwdesign.tweetings.loader.UserListMembersLoader.java

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/*
 *            Tweetings - Twitter client for Android
 * 
 * Copyright (C) 2012-2013 RBD Solutions Limited <apps@tweetings.net>
 * Copyright (C) 2012 Mariotaku Lee <mariotaku.lee@gmail.com>
 *
 * 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.dwdesign.tweetings.loader;

import static com.dwdesign.tweetings.util.Utils.findUserList;

import java.util.ArrayList;
import java.util.List;

import com.dwdesign.tweetings.model.ParcelableUser;

import twitter4j.PagableResponseList;
import twitter4j.Twitter;
import twitter4j.TwitterException;
import twitter4j.User;
import twitter4j.UserList;
import android.content.Context;

public class UserListMembersLoader extends ParcelableUsersLoader {

    private final int mListId;
    private final long mAccountId, mUserId, mCursor;
    private final String mScreenName, mListName;

    private long mOwnerId;
    private int mUserListId;

    private long mNextCursor = -2, mPrevCursor = -2;

    public UserListMembersLoader(final Context context, final long account_id, final int list_id,
            final long user_id, final String screen_name, String list_name, long cursor,
            List<ParcelableUser> users_list) {
        super(context, account_id, users_list);
        mListId = list_id;
        mCursor = cursor;
        mAccountId = account_id;
        mUserId = user_id;
        mScreenName = screen_name;
        mListName = list_name;
    }

    public long getNextCursor() {
        return mNextCursor;
    }

    public long getOwnerId() {
        return mOwnerId;
    }

    public long getPrevCursor() {
        return mPrevCursor;
    }

    public int getUserListId() {
        return mUserListId;
    }

    @Override
    public List<ParcelableUser> getUsers() throws TwitterException {
        final Twitter twitter = getTwitter();
        if (twitter == null)
            return null;
        final PagableResponseList<User> users;
        if (mListId > 0) {
            if (mUserListId <= 0) {
                mUserListId = mListId;
            }
            if (mOwnerId <= 0) {
                final UserList list = twitter.showUserList(mListId);
                final User owner = list != null ? list.getUser() : null;
                mOwnerId = owner != null ? owner.getId() : -1;
            }
            users = twitter.getUserListMembers(mListId, mCursor);
        } else {
            final UserList list = findUserList(twitter, mUserId, mScreenName, mListName);
            if (list == null)
                return null;
            if (mOwnerId <= 0) {
                final User owner = list.getUser();
                mOwnerId = owner != null ? owner.getId() : -1;
            }
            if (list != null && list.getId() > 0) {
                if (mUserListId <= 0) {
                    mUserListId = list.getId();
                }
                users = twitter.getUserListMembers(list.getId(), mCursor);
            } else
                return null;
        }
        mNextCursor = users.getNextCursor();
        mPrevCursor = users.getPreviousCursor();
        final List<ParcelableUser> result = new ArrayList<ParcelableUser>();
        final int size = users.size();
        for (int i = 0; i < size; i++) {
            result.add(new ParcelableUser(users.get(i), mAccountId, (mCursor + 1) * 20 + i));
        }
        return result;
    }

}