/*
 * Copyright (C) 2011 Google Inc.
 *
 * 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.reecedunn.espeak.providers;

import com.reecedunn.espeak.CheckVoiceData;

import android.content.ContentProvider;
import android.content.ContentValues;
import android.database.Cursor;
import android.database.MatrixCursor;
import android.net.Uri;

import java.io.File;

/**
 * Provides the "engineConfig" parameter for the legacy (pre-ICS) TTS API.
 * 
 * @author alanv@google.com (Alan Viverette)
 */
public class SettingsProvider extends ContentProvider {
    private class SettingsCursor extends MatrixCursor {
        private String settings;

        public SettingsCursor(String[] columnNames) {
            super(columnNames);
        }

        public void putSettings(String settings) {
            this.settings = settings;
        }

        @Override
        public int getCount() {
            return 1;
        }

        @Override
        public String getString(int column) {
            return settings;
        }
    }

    @Override
    public int delete(Uri uri, String selection, String[] selectionArgs) {
        return 0;
    }

    @Override
    public String getType(Uri uri) {
        return null;
    }

    @Override
    public Uri insert(Uri uri, ContentValues values) {
        return null;
    }

    @Override
    public boolean onCreate() {
        return true;
    }

    @Override
    public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs,
            String sortOrder) {
        final File dataPath = CheckVoiceData.getDataPath(getContext());
        final String[] dummyColumns = {
                "", ""
        };
        final SettingsCursor cursor = new SettingsCursor(dummyColumns);
        cursor.putSettings(dataPath.getParent());
        return cursor;
    }

    @Override
    public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) {
        return 0;
    }

}
