/*
 * Copyright (C) 2022 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.
 */

#ifndef CPP_EVS_MANAGER_AIDL_INCLUDE_HALDISPLAY_H
#define CPP_EVS_MANAGER_AIDL_INCLUDE_HALDISPLAY_H

#include "Constants.h"

#include <aidl/android/hardware/automotive/evs/BnEvsDisplay.h>
#include <aidl/android/hardware/automotive/evs/BufferDesc.h>
#include <aidl/android/hardware/automotive/evs/DisplayDesc.h>
#include <aidl/android/hardware/automotive/evs/DisplayState.h>

namespace aidl::android::automotive::evs::implementation {

namespace aidlevs = ::aidl::android::hardware::automotive::evs;

class HalDisplay : public ::aidl::android::hardware::automotive::evs::BnEvsDisplay {
public:
    // Methods from ::aidl::android::hardware::automotive::evs::IEvsDisplay follow.
    ::ndk::ScopedAStatus getDisplayInfo(aidlevs::DisplayDesc* _aidl_return) override;
    ::ndk::ScopedAStatus getDisplayState(aidlevs::DisplayState* _aidl_return) override;
    ::ndk::ScopedAStatus getTargetBuffer(aidlevs::BufferDesc* _aidl_return) override;
    ::ndk::ScopedAStatus returnTargetBufferForDisplay(const aidlevs::BufferDesc& buffer) override;
    ::ndk::ScopedAStatus setDisplayState(aidlevs::DisplayState state) override;

    explicit HalDisplay(std::shared_ptr<aidlevs::IEvsDisplay> display,
                        int32_t port = kDisplayIdUnavailable);
    virtual ~HalDisplay();

    inline void shutdown();
    std::shared_ptr<aidlevs::IEvsDisplay> getHwDisplay();

    // Returns a string showing the current status
    std::string toString(const char* indent = "");

private:
    // The low level display interface that backs this proxy
    std::shared_ptr<aidlevs::IEvsDisplay> mHwDisplay;
    int32_t mId;  // Display identifier
};

}  // namespace aidl::android::automotive::evs::implementation

#endif  // CPP_EVS_MANAGER_AIDL_INCLUDE_HALDISPLAY_H