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64 lines
2.0 KiB
64 lines
2.0 KiB
/*
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* Copyright 2021 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#undef LOG_TAG
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#define LOG_TAG "HdrLayerInfoReporter"
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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#include <utils/Trace.h>
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#include "HdrLayerInfoReporter.h"
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namespace android {
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void HdrLayerInfoReporter::dispatchHdrLayerInfo(const HdrLayerInfo& info) {
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ATRACE_CALL();
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std::vector<sp<gui::IHdrLayerInfoListener>> toInvoke;
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{
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std::scoped_lock lock(mMutex);
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toInvoke.reserve(mListeners.size());
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for (auto& [key, it] : mListeners) {
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if (it.lastInfo != info) {
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it.lastInfo = info;
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toInvoke.push_back(it.listener);
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}
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}
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}
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for (const auto& listener : toInvoke) {
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ATRACE_NAME("invoking onHdrLayerInfoChanged");
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listener->onHdrLayerInfoChanged(info.numberOfHdrLayers, info.maxW, info.maxH, info.flags);
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}
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}
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void HdrLayerInfoReporter::binderDied(const wp<IBinder>& who) {
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std::scoped_lock lock(mMutex);
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mListeners.erase(who);
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}
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void HdrLayerInfoReporter::addListener(const sp<gui::IHdrLayerInfoListener>& listener) {
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sp<IBinder> asBinder = IInterface::asBinder(listener);
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asBinder->linkToDeath(this);
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std::lock_guard lock(mMutex);
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mListeners.emplace(wp<IBinder>(asBinder), TrackedListener{listener, HdrLayerInfo{}});
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}
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void HdrLayerInfoReporter::removeListener(const sp<gui::IHdrLayerInfoListener>& listener) {
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std::lock_guard lock(mMutex);
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mListeners.erase(wp<IBinder>(IInterface::asBinder(listener)));
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}
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} // namespace android
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