1/*
2 * Copyright (C) 2011 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5 * use this file except in compliance with the License. You may obtain a copy of
6 * the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 * License for the specific language governing permissions and limitations under
14 * the License.
15 */
16package android.speech.tts;
17
18/**
19 * Defines additional methods the synthesis callback must implement that
20 * are private to the TTS service implementation.
21 */
22abstract class AbstractSynthesisCallback implements SynthesisCallback {
23    /**
24     * Checks whether the synthesis request completed successfully.
25     */
26    abstract boolean isDone();
27
28    /**
29     * Aborts the speech request.
30     *
31     * Can be called from multiple threads.
32     */
33    abstract void stop();
34}
35