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/*
This file is part of Subsonic.
Subsonic 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.
Subsonic 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 Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2010 (C) Sindre Mehus
*/
package github.daneren2005.dsub.provider;
import android.app.SearchManager;
import android.content.ContentProvider;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.net.Uri;
import android.util.Log;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import github.daneren2005.dsub.R;
import github.daneren2005.dsub.domain.Artist;
import github.daneren2005.dsub.domain.MusicDirectory;
import github.daneren2005.dsub.domain.SearchCritera;
import github.daneren2005.dsub.domain.SearchResult;
import github.daneren2005.dsub.service.MusicService;
import github.daneren2005.dsub.service.MusicServiceFactory;
import github.daneren2005.dsub.util.Util;
/**
* Provides search suggestions based on recent searches.
*
* @author Sindre Mehus
*/
public class DSubSearchProvider extends ContentProvider {
private static final String TAG = DSubSearchProvider.class.getSimpleName();
private static final String RESOURCE_PREFIX = "android.resource://github.daneren2005.dsub/";
private static final String[] COLUMNS = {"_id",
SearchManager.SUGGEST_COLUMN_TEXT_1,
SearchManager.SUGGEST_COLUMN_TEXT_2,
SearchManager.SUGGEST_COLUMN_INTENT_DATA,
SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA,
SearchManager.SUGGEST_COLUMN_ICON_1};
@Override
public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) {
if(selectionArgs[0].isEmpty()) {
return null;
}
String query = selectionArgs[0] + "*";
SearchResult searchResult = search(query);
return createCursor(selectionArgs[0], searchResult);
}
private SearchResult search(String query) {
MusicService musicService = MusicServiceFactory.getMusicService(getContext());
if (musicService == null) {
return null;
}
try {
return musicService.search(new SearchCritera(query, 5, 10, 10), getContext(), null);
} catch (Exception e) {
return null;
}
}
private Cursor createCursor(String query, SearchResult searchResult) {
MatrixCursor cursor = new MatrixCursor(COLUMNS);
if (searchResult == null) {
return cursor;
}
// Add all results into one pot
List<Object> results = new ArrayList<Object>();
results.addAll(searchResult.getArtists());
results.addAll(searchResult.getAlbums());
results.addAll(searchResult.getSongs());
// For each, calculate its string distance to the query
for(Object obj: results) {
if(obj instanceof Artist) {
Artist artist = (Artist) obj;
artist.setCloseness(Util.getStringDistance(query, artist.getName()));
} else {
MusicDirectory.Entry entry = (MusicDirectory.Entry) obj;
entry.setCloseness(Util.getStringDistance(query, entry.getTitle()));
}
}
// Sort based on the closeness paramater
Collections.sort(results, new Comparator<Object>() {
@Override
public int compare(Object lhs, Object rhs) {
// Get the closeness of the two objects
int left, right;
boolean leftArtist = lhs instanceof Artist;
boolean rightArtist = rhs instanceof Artist;
if (leftArtist) {
left = ((Artist) lhs).getCloseness();
} else {
left = ((MusicDirectory.Entry) lhs).getCloseness();
}
if (rightArtist) {
right = ((Artist) rhs).getCloseness();
} else {
right = ((MusicDirectory.Entry) rhs).getCloseness();
}
if (left == right) {
if(leftArtist && rightArtist) {
return 0;
} else if(leftArtist) {
return -1;
} else if(rightArtist) {
return 1;
} else {
return 0;
}
} else if (left > right) {
return 1;
} else {
return -1;
}
}
});
// Done sorting, add results to cursor
for(Object obj: results) {
if(obj instanceof Artist) {
Artist artist = (Artist) obj;
String icon = RESOURCE_PREFIX + R.drawable.ic_action_artist;
cursor.addRow(new Object[]{artist.getId().hashCode(), artist.getName(), null, "dsub-ar-" + artist.getId(), artist.getName(), icon});
} else {
MusicDirectory.Entry entry = (MusicDirectory.Entry) obj;
if(entry.isDirectory()) {
String icon = RESOURCE_PREFIX + R.drawable.ic_action_album;
cursor.addRow(new Object[]{entry.getId().hashCode(), entry.getTitle(), entry.getArtist(), entry.getId(), entry.getTitle(), icon});
} else {
String icon = RESOURCE_PREFIX + R.drawable.ic_action_song;
String id;
if(Util.isTagBrowsing(getContext())) {
id = entry.getAlbumId();
} else {
id = entry.getParent();
}
String artistDisplay;
if(entry.getArtist() == null) {
if(entry.getAlbum() != null) {
artistDisplay = entry.getAlbumDisplay();
} else {
artistDisplay = "";
}
} else if(entry.getAlbum() != null) {
artistDisplay = entry.getArtist() + " - " + entry.getAlbumDisplay();
} else {
artistDisplay = entry.getArtist();
}
cursor.addRow(new Object[]{entry.getId().hashCode(), entry.getTitle(), artistDisplay, "dsub-so-" + id, entry.getTitle(), icon});
}
}
}
return cursor;
}
@Override
public boolean onCreate() {
return false;
}
@Override
public String getType(Uri uri) {
return null;
}
@Override
public Uri insert(Uri uri, ContentValues contentValues) {
return null;
}
@Override
public int delete(Uri uri, String s, String[] strings) {
return 0;
}
@Override
public int update(Uri uri, ContentValues contentValues, String s, String[] strings) {
return 0;
}
}
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