1/*
2 * Copyright (C) 2016 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
17package android.support.transition;
18
19/**
20 * Utility class for creating a default transition that automatically fades,
21 * moves, and resizes views during a scene change.
22 *
23 * <p>An AutoTransition can be described in a resource file by using the
24 * tag <code>autoTransition</code>, along with the other standard
25 * attributes of {@link android.R.styleable#Transition}.</p>
26 */
27class AutoTransitionPort extends TransitionSetPort {
28
29    /**
30     * Constructs an AutoTransition object, which is a TransitionSet which
31     * first fades out disappearing targets, then moves and resizes existing
32     * targets, and finally fades in appearing targets.
33     */
34    public AutoTransitionPort() {
35        setOrdering(ORDERING_SEQUENTIAL);
36        addTransition(new FadePort(FadePort.OUT)).
37                addTransition(new ChangeBoundsPort()).
38                addTransition(new FadePort(FadePort.IN));
39    }
40}
41