com.andreadec.musicplayer.adapters.PlaylistArrayAdapter.java Source code

Introduction

Here is the source code for com.andreadec.musicplayer.adapters.PlaylistArrayAdapter.java

Source

/*
 * Copyright 2012-2013 Andrea De Cesare
 *
 * 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 com.andreadec.musicplayer.adapters;

import java.util.*;
import android.graphics.*;
import android.graphics.drawable.*;
import android.support.v4.util.*;
import android.view.*;
import android.widget.*;

import com.andreadec.musicplayer.*;

public class PlaylistArrayAdapter extends MusicListArrayAdapter {
    private PlaylistSong playingSong;
    private boolean showSongImage;
    private LruCache<String, Bitmap> imagesCache;
    private Drawable songImage;
    private final static int TYPE_ACTION = 0, TYPE_PLAYLIST = 1, TYPE_SONG = 2;

    public PlaylistArrayAdapter(MainActivity activity, ArrayList<Object> values, PlaylistSong playingSong) {
        super(activity, values);
        this.playingSong = playingSong;
        this.imagesCache = activity.getImagesCache();
        showSongImage = activity.getShowSongImage();
        songImage = activity.getResources().getDrawable(R.drawable.audio);
    }

    @Override
    public int getViewTypeCount() {
        return 3;
    }

    @Override
    public int getItemViewType(int position) {
        Object value = values.get(position);
        if (value instanceof Action)
            return TYPE_ACTION;
        else if (value instanceof Playlist)
            return TYPE_PLAYLIST;
        else if (value instanceof PlaylistSong)
            return TYPE_SONG;
        return -1;
    }

    @Override
    public View getView(int position, View view, ViewGroup parent) {
        Object value = values.get(position);
        ViewHolder viewHolder;
        int type = getItemViewType(position);
        if (view == null) {
            viewHolder = new ViewHolder();
            if (type == TYPE_ACTION) {
                view = inflater.inflate(R.layout.action_item, parent, false);
                viewHolder.title = (TextView) view.findViewById(R.id.textView);
                viewHolder.image = (ImageView) view.findViewById(R.id.imageView);
            } else if (type == TYPE_PLAYLIST) {
                view = inflater.inflate(R.layout.folder_item, parent, false);
                viewHolder.title = (TextView) view.findViewById(R.id.textViewFolderItemFolder);
                viewHolder.image = (ImageView) view.findViewById(R.id.imageViewItemImage);
            } else if (type == TYPE_SONG) {
                view = inflater.inflate(R.layout.song_item, parent, false);
                viewHolder.title = (TextView) view.findViewById(R.id.textViewSongItemTitle);
                viewHolder.artist = (TextView) view.findViewById(R.id.textViewSongItemArtist);
                viewHolder.image = (ImageView) view.findViewById(R.id.imageViewItemImage);
                viewHolder.card = view.findViewById(R.id.card);
            }
        } else {
            viewHolder = (ViewHolder) view.getTag();
        }

        if (type == TYPE_ACTION) {
            Action action = (Action) value;
            viewHolder.title.setText(action.msg);
            if (action.action == Action.ACTION_GO_BACK) {
                viewHolder.image.setImageResource(R.drawable.back);
            } else if (action.action == Action.ACTION_NEW) {
                viewHolder.image.setImageResource(R.drawable.newcontent);
            }
        } else if (type == TYPE_PLAYLIST) {
            Playlist playlist = (Playlist) value;
            viewHolder.title.setText(playlist.getName());
            viewHolder.image.setImageResource(R.drawable.playlist);
        } else if (type == TYPE_SONG) {
            PlaylistSong song = (PlaylistSong) value;
            viewHolder.title.setText(song.getTitle());
            viewHolder.artist.setText(song.getArtist());

            if (song.equals(playingSong)) {
                viewHolder.card.setBackgroundResource(R.drawable.card_playing);
                viewHolder.image.setImageResource(R.drawable.play_orange);
            } else {
                viewHolder.card.setBackgroundResource(R.drawable.card);
                if (showSongImage) {
                    viewHolder.image.setImageDrawable(songImage);
                    if (song.hasImage()) {
                        Bitmap image;
                        synchronized (imagesCache) {
                            image = imagesCache.get(song.getPlayableUri());
                        }
                        if (image != null) {
                            viewHolder.image.setImageBitmap(image);
                        } else
                            new ImageLoaderTask(song, viewHolder.image, imagesCache, listImageSize).execute();
                    }
                }
            }
        }

        view.setTag(viewHolder);
        return view;
    }

    private class ViewHolder {
        public TextView artist;
        public TextView title;
        public ImageView image;
        public View card;
    }
}