1 /*
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of 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,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package android.view.inputmethod;
18 
19 import android.os.CancellationSignal;
20 
21 import java.util.Set;
22 
23 /**
24  * A {@link HandwritingGesture} that can be
25  * {@link InputConnection#previewHandwritingGesture(
26  *  PreviewableHandwritingGesture, CancellationSignal) previewed}.
27  *
28  *  Note: An editor might only implement a subset of gesture previews and declares the supported
29  *  ones via {@link EditorInfo#getSupportedHandwritingGesturePreviews}.
30  *
31  * @see EditorInfo#setSupportedHandwritingGesturePreviews(Set)
32  * @see EditorInfo#getSupportedHandwritingGesturePreviews()
33  */
34 public abstract class PreviewableHandwritingGesture extends HandwritingGesture {
PreviewableHandwritingGesture()35     PreviewableHandwritingGesture() {
36         // intentionally empty.
37     }
38 }
39