1 /*
2  * Copyright 2021 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 package androidx.constraintlayout.core.state;
17 
18 import java.util.HashMap;
19 import java.util.Set;
20 
21 public class Registry {
22 
23     private static final Registry sRegistry = new Registry();
24 
getInstance()25     public static Registry getInstance() {
26         return sRegistry;
27     }
28 
29     private HashMap<String, RegistryCallback> mCallbacks = new HashMap<>();
30 
31     // @TODO: add description
register(String name, RegistryCallback callback)32     public void register(String name, RegistryCallback callback) {
33         mCallbacks.put(name, callback);
34     }
35 
36     // @TODO: add description
unregister(String name, RegistryCallback callback)37     public void unregister(String name, RegistryCallback callback) {
38         mCallbacks.remove(name);
39     }
40 
41     // @TODO: add description
updateContent(String name, String content)42     public void updateContent(String name, String content) {
43         RegistryCallback callback = mCallbacks.get(name);
44         if (callback != null) {
45             callback.onNewMotionScene(content);
46         }
47     }
48 
49     // @TODO: add description
updateProgress(String name, float progress)50     public void updateProgress(String name, float progress) {
51         RegistryCallback callback = mCallbacks.get(name);
52         if (callback != null) {
53             callback.onProgress(progress);
54         }
55     }
56 
57     // @TODO: add description
currentContent(String name)58     public String currentContent(String name) {
59         RegistryCallback callback = mCallbacks.get(name);
60         if (callback != null) {
61             return callback.currentMotionScene();
62         }
63         return null;
64     }
65 
66     // @TODO: add description
currentLayoutInformation(String name)67     public String currentLayoutInformation(String name) {
68         RegistryCallback callback = mCallbacks.get(name);
69         if (callback != null) {
70             return callback.currentLayoutInformation();
71         }
72         return null;
73     }
74 
75     // @TODO: add description
setDrawDebug(String name, int debugMode)76     public void setDrawDebug(String name, int debugMode) {
77         RegistryCallback callback = mCallbacks.get(name);
78         if (callback != null) {
79             callback.setDrawDebug(debugMode);
80         }
81     }
82 
83     // @TODO: add description
setLayoutInformationMode(String name, int mode)84     public void setLayoutInformationMode(String name, int mode) {
85         RegistryCallback callback = mCallbacks.get(name);
86         if (callback != null) {
87             callback.setLayoutInformationMode(mode);
88         }
89     }
90 
getLayoutList()91     public Set<String> getLayoutList() {
92         return mCallbacks.keySet();
93     }
94 
95     // @TODO: add description
getLastModified(String name)96     public long getLastModified(String name) {
97         RegistryCallback callback = mCallbacks.get(name);
98         if (callback != null) {
99             return callback.getLastModified();
100         }
101         return Long.MAX_VALUE;
102     }
103 
104     // @TODO: add description
updateDimensions(String name, int width, int height)105     public void updateDimensions(String name, int width, int height) {
106         RegistryCallback callback = mCallbacks.get(name);
107         if (callback != null) {
108             callback.onDimensions(width, height);
109         }
110     }
111 }
112