InternalTransformation.java revision 3858aa67365ad574ee474edc68e2e82d4d8c6081 
1/*
2 * Copyright (C) 2017 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 */
16package android.service.autofill;
17
18import android.annotation.NonNull;
19import android.os.Parcelable;
20import android.widget.RemoteViews;
21
22/**
23 * Superclass of all transformation the system understands. As this is not public all
24 * subclasses have to implement {@link Transformation} again.
25 *
26 * @hide
27 */
28abstract class InternalTransformation implements Transformation, Parcelable {
29
30    /**
31     * Applies this transformation to a child view of a {@link android.widget.RemoteViews
32     * presentation template}.
33     *
34     * @param finder object used to find the value of a field in the screen.
35     * @param template the {@link RemoteViews presentation template}.
36     * @param childViewId resource id of the child view inside the template.
37     *
38     * @hide
39     */
40    abstract void apply(@NonNull ValueFinder finder, @NonNull RemoteViews template,
41            int childViewId);
42}
43