BaseListFragment.java

/*
 * ******************************************************************************
 *   Copyright (c) 2013-2014 Gabriele Mariotti.
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *  *****************************************************************************
 */

package it.gmariotti.cardslib.demo.extras.fragment;

import android.view.View;
import android.view.animation.AnimationUtils;

import it.gmariotti.cardslib.demo.extras.R;

/**
 * @author Gabriele Mariotti (gabri.mariotti@gmail.com)
 */
public abstract class BaseListFragment extends BaseFragment {

    protected boolean mListShown;
    protected View mProgressContainer;
    protected View mListContainer;

    /**
     * Setup the list fragment
     *
     * @param root
     */
    protected void setupListFragment(View root) {

        mListContainer = root.findViewById(R.id.carddemo_listContainer);
        mProgressContainer = root.findViewById(R.id.carddemo_progressContainer);
        mListShown = true;
    }

    protected void displayList(){
        if (isResumed()) {
            setListShown(true);
        } else {
            setListShownNoAnimation(true);
        }
    }

    protected void hideList(boolean animate){
        setListShown(false,animate);
    }

    /**
     * @param shown
     * @param animate
     */
    protected void setListShown(boolean shown, boolean animate) {
        if (mListShown == shown) {
            return;
        }
        mListShown = shown;
        if (shown) {
            if (animate) {
                mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
                        getActivity(), android.R.anim.fade_out));
                mListContainer.startAnimation(AnimationUtils.loadAnimation(
                        getActivity(), android.R.anim.fade_in));
            }
            mProgressContainer.setVisibility(View.GONE);
            mListContainer.setVisibility(View.VISIBLE);
        } else {
            if (animate) {
                mProgressContainer.startAnimation(AnimationUtils.loadAnimation(
                        getActivity(), android.R.anim.fade_in));
                mListContainer.startAnimation(AnimationUtils.loadAnimation(
                        getActivity(), android.R.anim.fade_out));
            }
            mProgressContainer.setVisibility(View.VISIBLE);
            mListContainer.setVisibility(View.INVISIBLE);
        }
    }

    public void setListShown(boolean shown) {
        setListShown(shown, true);
    }

    public void setListShownNoAnimation(boolean shown) {
        setListShown(shown, false);
    }
}