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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.
*/
#pragma once
#include <optional>
#include <unordered_set>
#include <android/gui/BnWindowInfosPublisher.h>
#include <android/gui/IWindowInfosListener.h>
#include <android/gui/IWindowInfosReportedListener.h>
#include <binder/IBinder.h>
#include <ftl/small_map.h>
#include <ftl/small_vector.h>
#include <gui/SpHash.h>
#include <utils/Mutex.h>
#include "scheduler/VsyncId.h"
namespace android {
using WindowInfosReportedListenerSet =
std::unordered_set<sp<gui::IWindowInfosReportedListener>,
gui::SpHash<gui::IWindowInfosReportedListener>>;
class WindowInfosListenerInvoker : public gui::BnWindowInfosPublisher,
public IBinder::DeathRecipient {
public:
void addWindowInfosListener(sp<gui::IWindowInfosListener>, gui::WindowInfosListenerInfo*);
void removeWindowInfosListener(const sp<gui::IWindowInfosListener>& windowInfosListener);
void windowInfosChanged(gui::WindowInfosUpdate update,
WindowInfosReportedListenerSet windowInfosReportedListeners,
bool forceImmediateCall);
binder::Status ackWindowInfosReceived(int64_t, int64_t) override;
struct DebugInfo {
VsyncId maxSendDelayVsyncId;
nsecs_t maxSendDelayDuration;
size_t pendingMessageCount;
};
DebugInfo getDebugInfo();
protected:
void binderDied(const wp<IBinder>& who) override;
private:
static constexpr size_t kStaticCapacity = 3;
std::atomic<int64_t> mNextListenerId{0};
ftl::SmallMap<wp<IBinder>, const std::pair<int64_t, sp<gui::IWindowInfosListener>>,
kStaticCapacity>
mWindowInfosListeners;
std::optional<gui::WindowInfosUpdate> mDelayedUpdate;
WindowInfosReportedListenerSet mReportedListeners;
struct UnackedState {
ftl::SmallVector<int64_t, kStaticCapacity> unackedListenerIds;
WindowInfosReportedListenerSet reportedListeners;
};
ftl::SmallMap<int64_t /* vsyncId */, UnackedState, 5> mUnackedState;
DebugInfo mDebugInfo;
struct DelayInfo {
int64_t vsyncId;
nsecs_t frameTime;
};
std::optional<DelayInfo> mDelayInfo;
void updateMaxSendDelay();
};
} // namespace android
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