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79 lines
2.6 KiB
79 lines
2.6 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 "TunnelModeEnabledReporter"
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#define ATRACE_TAG ATRACE_TAG_GRAPHICS
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#include <algorithm>
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#include "Layer.h"
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#include "SurfaceFlinger.h"
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#include "TunnelModeEnabledReporter.h"
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namespace android {
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TunnelModeEnabledReporter::TunnelModeEnabledReporter() {}
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void TunnelModeEnabledReporter::updateTunnelModeStatus() {
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bool tunnelModeEnabled = mTunnelModeCount > 0;
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dispatchTunnelModeEnabled(tunnelModeEnabled);
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}
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void TunnelModeEnabledReporter::dispatchTunnelModeEnabled(bool tunnelModeEnabled) {
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std::vector<sp<gui::ITunnelModeEnabledListener>> localListeners;
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{
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std::scoped_lock lock(mMutex);
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if (mTunnelModeEnabled == tunnelModeEnabled) {
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return;
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}
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mTunnelModeEnabled = tunnelModeEnabled;
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std::transform(mListeners.begin(), mListeners.end(), std::back_inserter(localListeners),
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[](const std::pair<wp<IBinder>, sp<gui::ITunnelModeEnabledListener>>&
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entry) { return entry.second; });
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}
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for (sp<gui::ITunnelModeEnabledListener>& listener : localListeners) {
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listener->onTunnelModeEnabledChanged(tunnelModeEnabled);
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}
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}
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void TunnelModeEnabledReporter::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 TunnelModeEnabledReporter::addListener(const sp<gui::ITunnelModeEnabledListener>& listener) {
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sp<IBinder> asBinder = IInterface::asBinder(listener);
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asBinder->linkToDeath(this);
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bool tunnelModeEnabled = false;
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{
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std::scoped_lock lock(mMutex);
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mListeners.emplace(wp<IBinder>(asBinder), listener);
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tunnelModeEnabled = mTunnelModeEnabled;
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}
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listener->onTunnelModeEnabledChanged(tunnelModeEnabled);
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}
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void TunnelModeEnabledReporter::removeListener(
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const sp<gui::ITunnelModeEnabledListener>& 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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