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