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/*
* Copyright 2021 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.
*/
#undef LOG_TAG
#define LOG_TAG "HdrLayerInfoReporter"
#define ATRACE_TAG ATRACE_TAG_GRAPHICS
#include <utils/Trace.h>
#include "HdrLayerInfoReporter.h"
namespace android {
void HdrLayerInfoReporter::dispatchHdrLayerInfo(const HdrLayerInfo& info) {
ATRACE_CALL();
std::vector<sp<gui::IHdrLayerInfoListener>> toInvoke;
{
std::scoped_lock lock(mMutex);
toInvoke.reserve(mListeners.size());
for (auto& [key, it] : mListeners) {
if (it.lastInfo != info) {
it.lastInfo = info;
toInvoke.push_back(it.listener);
}
}
}
for (const auto& listener : toInvoke) {
ATRACE_NAME("invoking onHdrLayerInfoChanged");
listener->onHdrLayerInfoChanged(info.numberOfHdrLayers, info.maxW, info.maxH, info.flags);
}
}
void HdrLayerInfoReporter::binderDied(const wp<IBinder>& who) {
std::scoped_lock lock(mMutex);
mListeners.erase(who);
}
void HdrLayerInfoReporter::addListener(const sp<gui::IHdrLayerInfoListener>& listener) {
sp<IBinder> asBinder = IInterface::asBinder(listener);
asBinder->linkToDeath(this);
std::lock_guard lock(mMutex);
mListeners.emplace(wp<IBinder>(asBinder), TrackedListener{listener, HdrLayerInfo{}});
}
void HdrLayerInfoReporter::removeListener(const sp<gui::IHdrLayerInfoListener>& listener) {
std::lock_guard lock(mMutex);
mListeners.erase(wp<IBinder>(IInterface::asBinder(listener)));
}
} // namespace android
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