de.vanita5.twittnuker.fragment.support.CursorSupportUsersListFragment.java Source code

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Here is the source code for de.vanita5.twittnuker.fragment.support.CursorSupportUsersListFragment.java

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/*
 * Twittnuker - Twitter client for Android
 *
 * Copyright (C) 2013-2014 vanita5 <mail@vanita5.de>
 *
 * This program incorporates a modified version of Twidere.
 * Copyright (C) 2012-2014 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 de.vanita5.twittnuker.fragment.support;

import android.content.Context;
import android.os.Bundle;
import android.support.v4.content.Loader;

import de.vanita5.twittnuker.loader.support.BaseCursorSupportUsersLoader;
import de.vanita5.twittnuker.model.ParcelableUser;

import java.util.List;

public abstract class CursorSupportUsersListFragment extends BaseUsersListFragment {

    private long mNextCursor, mPrevCursor;

    @Override
    public void onActivityCreated(final Bundle savedInstanceState) {
        if (savedInstanceState != null) {
            mNextCursor = savedInstanceState.getLong(EXTRA_NEXT_CURSOR, -1);
            mPrevCursor = savedInstanceState.getLong(EXTRA_PREV_CURSOR, -1);
        } else {
            mNextCursor = -1;
            mPrevCursor = -1;
        }
        super.onActivityCreated(savedInstanceState);
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        mNextCursor = -1;
        mPrevCursor = -1;
    }

    @Override
    public void onLoaderReset(final Loader<List<ParcelableUser>> loader) {
        super.onLoaderReset(loader);
        mNextCursor = -1;
        mPrevCursor = -1;
    }

    @Override
    public void onLoadFinished(final Loader<List<ParcelableUser>> loader, final List<ParcelableUser> data) {
        super.onLoadFinished(loader, data);
        final BaseCursorSupportUsersLoader cursorLoader = (BaseCursorSupportUsersLoader) loader;
        mNextCursor = cursorLoader.getNextCursor();
        mPrevCursor = cursorLoader.getPrevCursor();
        // TODO
        // setEnabled(mNextCursor > 0 ? "from_end" : "disabled");
    }

    @Override
    public void onSaveInstanceState(final Bundle outState) {
        super.onSaveInstanceState(outState);
        outState.putLong(EXTRA_NEXT_CURSOR, mNextCursor);
        outState.putLong(EXTRA_PREV_CURSOR, mPrevCursor);
    }

    protected final long getNextCursor() {
        return mNextCursor;
    }

    protected final long getPrevCursor() {
        return mPrevCursor;
    }

    @Override
    protected abstract BaseCursorSupportUsersLoader newLoaderInstance(final Context context, final Bundle args);
}