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package org.yuzu.yuzu_emu.model;
import android.content.ContentProvider;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.net.Uri;
import androidx.annotation.NonNull;
import org.yuzu.yuzu_emu.BuildConfig;
import org.yuzu.yuzu_emu.utils.Log;
/**
* Provides an interface allowing Activities to interact with the SQLite database.
* CRUD methods in this class can be called by Activities using getContentResolver().
*/
public final class GameProvider extends ContentProvider {
public static final String REFRESH_LIBRARY = "refresh";
public static final String RESET_LIBRARY = "reset";
public static final String AUTHORITY = "content://" + BuildConfig.APPLICATION_ID + ".provider";
public static final Uri URI_FOLDER =
Uri.parse(AUTHORITY + "/" + GameDatabase.TABLE_NAME_FOLDERS + "/");
public static final Uri URI_REFRESH = Uri.parse(AUTHORITY + "/" + REFRESH_LIBRARY + "/");
public static final Uri URI_RESET = Uri.parse(AUTHORITY + "/" + RESET_LIBRARY + "/");
public static final String MIME_TYPE_FOLDER = "vnd.android.cursor.item/vnd.dolphin.folder";
public static final String MIME_TYPE_GAME = "vnd.android.cursor.item/vnd.dolphin.game";
private GameDatabase mDbHelper;
@Override
public boolean onCreate() {
Log.info("[GameProvider] Creating Content Provider...");
mDbHelper = new GameDatabase(getContext());
return true;
}
@Override
public Cursor query(@NonNull Uri uri, String[] projection, String selection,
String[] selectionArgs, String sortOrder) {
Log.info("[GameProvider] Querying URI: " + uri);
SQLiteDatabase db = mDbHelper.getReadableDatabase();
String table = uri.getLastPathSegment();
if (table == null) {
Log.error("[GameProvider] Badly formatted URI: " + uri);
return null;
}
Cursor cursor = db.query(table, projection, selection, selectionArgs, null, null, sortOrder);
cursor.setNotificationUri(getContext().getContentResolver(), uri);
return cursor;
}
@Override
public String getType(@NonNull Uri uri) {
Log.verbose("[GameProvider] Getting MIME type for URI: " + uri);
String lastSegment = uri.getLastPathSegment();
if (lastSegment == null) {
Log.error("[GameProvider] Badly formatted URI: " + uri);
return null;
}
if (lastSegment.equals(GameDatabase.TABLE_NAME_FOLDERS)) {
return MIME_TYPE_FOLDER;
} else if (lastSegment.equals(GameDatabase.TABLE_NAME_GAMES)) {
return MIME_TYPE_GAME;
}
Log.error("[GameProvider] Unknown MIME type for URI: " + uri);
return null;
}
@Override
public Uri insert(@NonNull Uri uri, ContentValues values) {
Log.info("[GameProvider] Inserting row at URI: " + uri);
SQLiteDatabase database = mDbHelper.getWritableDatabase();
String table = uri.getLastPathSegment();
if (table != null) {
if (table.equals(RESET_LIBRARY)) {
mDbHelper.resetDatabase(database);
return uri;
}
if (table.equals(REFRESH_LIBRARY)) {
Log.info(
"[GameProvider] URI specified table REFRESH_LIBRARY. No insertion necessary; refreshing library contents...");
mDbHelper.scanLibrary(database);
return uri;
}
long id = database.insertWithOnConflict(table, null, values, SQLiteDatabase.CONFLICT_IGNORE);
// If insertion was successful...
if (id > 0) {
// If we just added a folder, add its contents to the game list.
if (table.equals(GameDatabase.TABLE_NAME_FOLDERS)) {
mDbHelper.scanLibrary(database);
}
// Notify the UI that its contents should be refreshed.
getContext().getContentResolver().notifyChange(uri, null);
uri = Uri.withAppendedPath(uri, Long.toString(id));
} else {
Log.error("[GameProvider] Row already exists: " + uri + " id: " + id);
}
} else {
Log.error("[GameProvider] Badly formatted URI: " + uri);
}
database.close();
return uri;
}
@Override
public int delete(@NonNull Uri uri, String selection, String[] selectionArgs) {
Log.error("[GameProvider] Delete operations unsupported. URI: " + uri);
return 0;
}
@Override
public int update(@NonNull Uri uri, ContentValues values, String selection,
String[] selectionArgs) {
Log.error("[GameProvider] Update operations unsupported. URI: " + uri);
return 0;
}
}
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