org.mariotaku.twidere.fragment.support.BaseActivitiesListFragment.java Source code

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Here is the source code for org.mariotaku.twidere.fragment.support.BaseActivitiesListFragment.java

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/*
 *             Twidere - Twitter client for Android
 * 
 *  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 org.mariotaku.twidere.fragment.support;

import static org.mariotaku.twidere.util.Utils.encodeQueryParams;
import static org.mariotaku.twidere.util.Utils.getDefaultTextSize;

import android.content.Context;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.Loader;
import android.widget.ListView;

import org.mariotaku.twidere.adapter.BaseParcelableActivitiesAdapter;
import org.mariotaku.twidere.model.ParcelableActivity;
import org.mariotaku.twidere.util.ArrayUtils;

import java.io.IOException;
import java.util.List;

public abstract class BaseActivitiesListFragment extends BasePullToRefreshListFragment
        implements LoaderCallbacks<List<ParcelableActivity>> {

    private BaseParcelableActivitiesAdapter mAdapter;
    private SharedPreferences mPreferences;

    private List<ParcelableActivity> mData;

    public abstract BaseParcelableActivitiesAdapter createListAdapter(Context context);

    @Override
    public BaseParcelableActivitiesAdapter getListAdapter() {
        return mAdapter;
    }

    @Override
    public void onActivityCreated(final Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        mAdapter = createListAdapter(getActivity());
        mPreferences = getSharedPreferences(SHARED_PREFERENCES_NAME, Context.MODE_PRIVATE);
        setListAdapter(mAdapter);
        final ListView lv = getListView();
        lv.setDivider(null);
        lv.setSelector(android.R.color.transparent);
        getLoaderManager().initLoader(0, getArguments(), this);
        setListShown(false);
    }

    @Override
    public void onLoaderReset(final Loader<List<ParcelableActivity>> loader) {
        mAdapter.setData(null);
        mData = null;
    }

    @Override
    public void onLoadFinished(final Loader<List<ParcelableActivity>> loader, final List<ParcelableActivity> data) {
        setProgressBarIndeterminateVisibility(false);
        setRefreshComplete();
        mData = data;
        mAdapter.setData(data);
        setRefreshComplete();
        setListShown(true);
    }

    @Override
    public void onRefreshFromEnd() {

    }

    @Override
    public void onRefreshFromStart() {
        if (isRefreshing())
            return;
        getLoaderManager().restartLoader(0, getArguments(), this);
    }

    @Override
    public void onResume() {
        super.onResume();
        final float text_size = mPreferences.getInt(KEY_TEXT_SIZE, getDefaultTextSize(getActivity()));
        final boolean display_profile_image = mPreferences.getBoolean(KEY_DISPLAY_PROFILE_IMAGE, true);
        final boolean show_absolute_time = mPreferences.getBoolean(KEY_SHOW_ABSOLUTE_TIME, false);
        mAdapter.setDisplayProfileImage(display_profile_image);
        mAdapter.setTextSize(text_size);
        mAdapter.setShowAbsoluteTime(show_absolute_time);
    }

    protected final List<ParcelableActivity> getData() {
        return mData;
    }

    protected final String getPositionKey() {
        final Object[] args = getSavedActivitiesFileArgs();
        if (args == null || args.length <= 0)
            return null;
        try {
            return encodeQueryParams(ArrayUtils.toString(args, '.', false) + "." + getTabPosition());
        } catch (final IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    protected abstract Object[] getSavedActivitiesFileArgs();

}