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 #include "gui/TransactionTracing.h" 18 #include "gui/ISurfaceComposer.h" 19 20 #include <private/gui/ComposerService.h> 21 22 namespace android { 23 24 sp<TransactionTraceListener> TransactionTraceListener::sInstance = nullptr; 25 std::mutex TransactionTraceListener::sMutex; 26 TransactionTraceListener()27TransactionTraceListener::TransactionTraceListener() {} 28 getInstance()29sp<TransactionTraceListener> TransactionTraceListener::getInstance() { 30 const std::lock_guard<std::mutex> lock(sMutex); 31 32 if (sInstance == nullptr) { 33 sInstance = new TransactionTraceListener; 34 35 sp<ISurfaceComposer> sf(ComposerService::getComposerService()); 36 sf->addTransactionTraceListener(sInstance); 37 } 38 39 return sInstance; 40 } 41 onToggled(bool enabled)42binder::Status TransactionTraceListener::onToggled(bool enabled) { 43 ALOGD("TransactionTraceListener: onToggled listener called"); 44 mTracingEnabled = enabled; 45 46 return binder::Status::ok(); 47 } 48 isTracingEnabled()49bool TransactionTraceListener::isTracingEnabled() { 50 return mTracingEnabled; 51 } 52 53 } // namespace android