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Diffstat (limited to 'libs/gui/TransactionTracing.cpp')
-rw-r--r-- | libs/gui/TransactionTracing.cpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libs/gui/TransactionTracing.cpp b/libs/gui/TransactionTracing.cpp new file mode 100644 index 0000000000..eedc3df009 --- /dev/null +++ b/libs/gui/TransactionTracing.cpp @@ -0,0 +1,53 @@ +/* + * Copyright 2020 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#include "gui/TransactionTracing.h" +#include "gui/ISurfaceComposer.h" + +#include <private/gui/ComposerService.h> + +namespace android { + +sp<TransactionTraceListener> TransactionTraceListener::sInstance = nullptr; +std::mutex TransactionTraceListener::sMutex; + +TransactionTraceListener::TransactionTraceListener() {} + +sp<TransactionTraceListener> TransactionTraceListener::getInstance() { + const std::lock_guard<std::mutex> lock(sMutex); + + if (sInstance == nullptr) { + sInstance = new TransactionTraceListener; + + sp<ISurfaceComposer> sf(ComposerService::getComposerService()); + sf->addTransactionTraceListener(sInstance); + } + + return sInstance; +} + +binder::Status TransactionTraceListener::onToggled(bool enabled) { + ALOGD("TransactionTraceListener: onToggled listener called"); + mTracingEnabled = enabled; + + return binder::Status::ok(); +} + +bool TransactionTraceListener::isTracingEnabled() { + return mTracingEnabled; +} + +} // namespace android
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