1 /*
2  * Copyright 2020 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 #pragma once
18 
19 #include <android/gui/BnTransactionTraceListener.h>
20 #include <utils/Mutex.h>
21 
22 namespace android {
23 
24 class TransactionTraceListener : public gui::BnTransactionTraceListener {
25     static std::mutex sMutex;
26     static sp<TransactionTraceListener> sInstance;
27 
28     TransactionTraceListener();
29 
30 public:
31     static sp<TransactionTraceListener> getInstance();
32 
33     binder::Status onToggled(bool enabled) override;
34 
35     bool isTracingEnabled();
36 
37 private:
38     bool mTracingEnabled = false;
39 };
40 
41 } // namespace android
42