DialogFactory.java

/*
 *      Copyright (C) 2005-2009 Team XBMC
 *      http://xbmc.org
 *
 *  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 2, 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 XBMC Remote; see the file license.  If not, write to
 *  the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
 *  http://www.gnu.org/copyleft/gpl.html
 *
 */

package org.xbmc.android.remote.presentation.activity;

import java.io.File;
import java.util.ArrayList;

import org.xbmc.android.remote.R;
import org.xbmc.android.util.Crc32;
import org.xbmc.android.util.ImportUtilities;
import org.xbmc.api.business.DataResponse;
import org.xbmc.api.business.IMusicManager;
import org.xbmc.api.object.Album;
import org.xbmc.api.object.Artist;
import org.xbmc.api.object.Song;
import org.xbmc.api.type.MediaType;
import org.xbmc.api.type.ThumbSize;

import android.app.Activity;
import android.app.Dialog;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.util.TypedValue;
import android.view.Display;
import android.view.Gravity;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TableLayout;
import android.widget.TableRow;
import android.widget.TextView;

/**
 * Keeps all the more sophisticated dialogs in one place. Feel free to change
 * if it gets inconvenient.
 * 
 * @author Team XBMC
 */
public abstract class DialogFactory {
	
	/**
	 * Returns the album details dialog, the one with big cover and queue/play button.
	 * @param activity Parent activity
	 * @param album    Album to display
	 * @return Album details dialog
	 */
	public static Dialog getAlbumDetail(final IMusicManager musicManager, final Activity activity, final Album album, final Context context) {
		
		final Dialog dialog = new Dialog(activity);
		dialog.setContentView(R.layout.albuminfo);
		
		// get controls
		final TextView artistText = (TextView) dialog.findViewById(R.id.album_artistname);
		final ImageView cover = (ImageView) dialog.findViewById(R.id.album_cover);
		final TextView genresText = (TextView) dialog.findViewById(R.id.album_genres);
		final TextView yearText = (TextView) dialog.findViewById(R.id.album_year);
		final Button queueButton = (Button) dialog.findViewById(R.id.album_queuebutton);
		final Button playButton = (Button) dialog.findViewById(R.id.album_playbutton);
		
		musicManager.updateAlbumInfo(new DataResponse<Album>() {
			public void run() {
				final Album album = value;
				artistText.setText(album.artist);
				if (album.year > 0) {
					yearText.setText(String.valueOf(album.year));
				} else {
					yearText.setVisibility(View.GONE);
				}
				if (album.genres != null) {
					genresText.setText(album.genres);
				} else {
					genresText.setVisibility(View.GONE);
				}
			}
		}, album, context);
		dialog.setTitle(album.name);

		// set the button's listener
		queueButton.setOnClickListener(new View.OnClickListener() {
			public void onClick(View v) {
				musicManager.play(new DataResponse<Boolean>(), album, context);
			}
		});
		playButton.setOnClickListener(new View.OnClickListener() {
			public void onClick(View v) {
				musicManager.addToPlaylist(new DataResponse<Boolean>(), album, context);
			}
		});
		
		// asynchronously load the cover
		musicManager.getCover(new DataResponse<Bitmap>() {
        	public void run() {
        		if (value == null) {
        			cover.setImageResource(R.drawable.nocover);
        		} else {
        			cover.setImageBitmap(value);
        		}
        	}
        }, album, ThumbSize.BIG, null, context, false);
        
		cover.setOnClickListener(new View.OnClickListener() {
			public void onClick(View v) {
				getTrackDetail(musicManager, activity, album, context).show();
			}
		});
		return dialog;
	}
	
	/**
	 * Returns the track listing of an album.
	 * @param activity
	 * @param album
	 * @return Track listing dialog
	 */
	public static Dialog getTrackDetail(final IMusicManager musicManager, final Activity activity, final Album album, final Context context) {
		
		Dialog dialog = new Dialog(activity);
		dialog.setContentView(R.layout.albumtracks);
		dialog.setTitle(album.name);

		// get controls
		final TextView artistText = (TextView) dialog.findViewById(R.id.album_artistname);
		final ImageView cover = (ImageView)dialog.findViewById(R.id.album_cover);
		final TextView numTrackText = (TextView) dialog.findViewById(R.id.album_numtracks);
		final TextView yearText = (TextView) dialog.findViewById(R.id.album_year);
		final TableLayout trackTable = (TableLayout) dialog.findViewById(R.id.album_tracktable);

		// update content
		artistText.setText(album.artist);
		if (album.year > 0) {
			yearText.setText(String.valueOf(album.year));
		} else {
			yearText.setVisibility(View.GONE);
		}
		
        final File file = new File(ImportUtilities.getCacheDirectory(MediaType.getArtFolder(album.getMediaType()), ThumbSize.SMALL), Crc32.formatAsHexLowerCase(album.getCrc()));
        if (file.exists()) {
        	cover.setImageBitmap(BitmapFactory.decodeFile(file.getAbsolutePath()));
        }
        
		trackTable.setScrollContainer(true);
		
		musicManager.getSongs(new DataResponse<ArrayList<Song>>() {
			public void run() {
				final ArrayList<Song> songs = value;
				numTrackText.setText(songs.size() + " Tracks");
				for (Song song: songs) {
					TableRow tr = new TableRow(activity);
					
					TextView txtTrack = new TextView(activity);
					txtTrack.setText(String.valueOf(song.track));
					txtTrack.setGravity(Gravity.RIGHT);
					txtTrack.setWidth(20);
					txtTrack.setPadding(0, 0, 5, 0);
					txtTrack.setTextSize(TypedValue.COMPLEX_UNIT_DIP, 10);
					
					TextView txtTitle = new TextView(activity);
					if (album.isVA()) {
						txtTitle.setText(song.artist + " - " + song.title);
					} else {
						txtTitle.setText(song.title);
					}
					txtTitle.setWidth(200);
					
					TextView txtDuration = new TextView(activity);
					txtDuration.setText(song.getDuration());
					txtDuration.setGravity(Gravity.RIGHT);
					
					tr.addView(txtTrack);
					tr.addView(txtTitle);
					tr.addView(txtDuration);
					
					trackTable.addView(tr);
				}		
			}
		}, album, context);
		return dialog;
	}
	
	/**
	 * Returns the artist details dialog.
	 * @param activity 	Parent activity
	 * @param album    	Artist to display
	 * @return 			Artist details dialog
	 */
	public static Dialog getArtistDetail(final IMusicManager musicManager, final Activity activity, final Artist artist, final Context context) {
		
		Dialog dialog = new Dialog(activity);
		dialog.setContentView(R.layout.artistinfo);
		dialog.setTitle(artist.name);

		// get controls
		final ImageView cover = (ImageView) dialog.findViewById(R.id.artist_cover);
		final TextView bornText = (TextView) dialog.findViewById(R.id.artist_born);
		final TextView formedText = (TextView) dialog.findViewById(R.id.artist_formed);
		final TextView genresText = (TextView) dialog.findViewById(R.id.artist_genres);
		final TextView biographyText = (TextView) dialog.findViewById(R.id.artist_biography);
		
        final File file = new File(ImportUtilities.getCacheDirectory(MediaType.getArtFolder(artist.getMediaType()), ThumbSize.MEDIUM), Crc32.formatAsHexLowerCase(artist.getCrc()));
        if (file.exists()) {
        	final Bitmap coverBitmap = BitmapFactory.decodeFile(file.getAbsolutePath());
        	if (coverBitmap != null) {
        		cover.setImageBitmap(coverBitmap);
        		
        		// correct alignment if texts do not fit
        		final Display display = activity.getWindowManager().getDefaultDisplay();
        		final LinearLayout header = (LinearLayout) dialog.findViewById(R.id.LinearLayoutHeader);
        		if (coverBitmap.getWidth() > display.getWidth() / 2) {
        			header.setOrientation(LinearLayout.VERTICAL);
        		} else {
        			header.setOrientation(LinearLayout.HORIZONTAL);
        		}
        	}
        }
        
		biographyText.setScrollContainer(true);
		
		musicManager.updateArtistInfo(new DataResponse<Artist>() {
			public void run() {
				final Artist artist = value;

				// update content
				if (artist.born != null) {
					bornText.setText("Born: " + artist.born);
				} else {
					bornText.setVisibility(View.GONE);
				}
				if (artist.formed != null) {
					formedText.setText("Formed: " + artist.formed);
				} else {
					formedText.setVisibility(View.GONE);
				}
				if (artist.genres != null) {
					genresText.setText("Genre: " + artist.genres);
				} else {
					genresText.setVisibility(View.GONE);
				}
				if (artist.biography != null) {
					biographyText.setText(artist.biography);
				} else {
					biographyText.setVisibility(View.GONE);
				}		
			}
		}, artist, context);
		return dialog;
	}
}