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 
17 package com.android.systemui.keyguard;
18 
19 import com.android.internal.policy.IKeyguardDismissCallback;
20 import com.android.systemui.Dependency;
21 import com.android.systemui.UiOffloadThread;
22 
23 import java.util.ArrayList;
24 
25 /**
26  * Registry holding the current set of {@link IKeyguardDismissCallback}s.
27  */
28 public class DismissCallbackRegistry {
29 
30     private final ArrayList<DismissCallbackWrapper> mDismissCallbacks = new ArrayList<>();
31     private final UiOffloadThread mUiOffloadThread = Dependency.get(UiOffloadThread.class);
32 
addCallback(IKeyguardDismissCallback callback)33     public void addCallback(IKeyguardDismissCallback callback) {
34         mDismissCallbacks.add(new DismissCallbackWrapper(callback));
35     }
36 
notifyDismissCancelled()37     public void notifyDismissCancelled() {
38         for (int i = mDismissCallbacks.size() - 1; i >= 0; i--) {
39             DismissCallbackWrapper callback = mDismissCallbacks.get(i);
40             mUiOffloadThread.submit(callback::notifyDismissCancelled);
41         }
42         mDismissCallbacks.clear();
43     }
44 
notifyDismissSucceeded()45     public void notifyDismissSucceeded() {
46         for (int i = mDismissCallbacks.size() - 1; i >= 0; i--) {
47             DismissCallbackWrapper callback = mDismissCallbacks.get(i);
48             mUiOffloadThread.submit(callback::notifyDismissSucceeded);
49         }
50         mDismissCallbacks.clear();
51     }
52 }
53