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 androidx.constraintlayout.core.dsl;
18 
19 import java.util.ArrayList;
20 
21 /**
22  * This defines to MotionScene container
23  * It contains ConstraintSet and Transitions
24  */
25 public class MotionScene {
26     ArrayList<Transition> mTransitions = new ArrayList<>();
27     ArrayList<ConstraintSet> mConstraintSets = new ArrayList<>();
28 
29     // todo add support for variables, generate and helpers
addTransition(Transition transition)30     public void addTransition(Transition transition) {
31         mTransitions.add(transition);
32     }
33 
addConstraintSet(ConstraintSet constraintSet)34     public void addConstraintSet(ConstraintSet constraintSet) {
35         mConstraintSets.add(constraintSet);
36     }
37 
38     @Override
toString()39     public String toString() {
40         StringBuilder ret = new StringBuilder("{\n");
41         if (!mTransitions.isEmpty()) {
42             ret.append("Transitions:{\n");
43             for (Transition transition : mTransitions) {
44                 ret.append(transition.toString());
45             }
46             ret.append("},\n");
47         }
48         if (!mConstraintSets.isEmpty()) {
49             ret.append("ConstraintSets:{\n");
50             for (ConstraintSet constraintSet : mConstraintSets) {
51                 ret.append(constraintSet.toString());
52             }
53             ret.append("},\n");
54         }
55 
56         ret.append("}\n");
57         return ret.toString();
58     }
59 }
60