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 import com.android.systemui.recents.Recents;
23 import com.android.systemui.recents.misc.SystemServicesProxy;
24 
25 import java.util.ArrayList;
26 
27 /**
28  * Registry holding the current set of {@link IKeyguardDismissCallback}s.
29  */
30 public class DismissCallbackRegistry {
31 
32     private final ArrayList<DismissCallbackWrapper> mDismissCallbacks = new ArrayList<>();
33     private final UiOffloadThread mUiOffloadThread = Dependency.get(UiOffloadThread.class);
34 
addCallback(IKeyguardDismissCallback callback)35     public void addCallback(IKeyguardDismissCallback callback) {
36         mDismissCallbacks.add(new DismissCallbackWrapper(callback));
37     }
38 
notifyDismissCancelled()39     public void notifyDismissCancelled() {
40         for (int i = mDismissCallbacks.size() - 1; i >= 0; i--) {
41             DismissCallbackWrapper callback = mDismissCallbacks.get(i);
42             mUiOffloadThread.submit(callback::notifyDismissCancelled);
43         }
44         mDismissCallbacks.clear();
45     }
46 
notifyDismissSucceeded()47     public void notifyDismissSucceeded() {
48         for (int i = mDismissCallbacks.size() - 1; i >= 0; i--) {
49             DismissCallbackWrapper callback = mDismissCallbacks.get(i);
50             mUiOffloadThread.submit(callback::notifyDismissSucceeded);
51         }
52         mDismissCallbacks.clear();
53     }
54 }
55