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/*
 * Copyright (C) 2017 The LineageOS 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.
 */

#include <string>

#include <utils/Errors.h>

#include <ui/GraphicBuffer.h>

#include "gui/DisplayEventReceiver.h"
#include <gui/IDisplayEventConnection.h>
#include <gui/ISurfaceComposer.h>

#include <private/gui/ComposerService.h>

#include <private/gui/BitTube.h>

extern "C" void _ZN7android13GraphicBufferC1EjjijjjP13native_handleb(
        const native_handle_t* handle,
        android::GraphicBuffer::HandleWrapMethod method,
        uint32_t width,
        uint32_t height,
        int format,
        uint32_t layerCount,
        uint64_t usage,
        uint32_t stride);

extern "C" void _ZN7android13GraphicBufferC1EjjijjP13native_handleb(
        uint32_t inWidth,
        uint32_t inHeight,
        int inFormat,
        uint32_t inUsage,
        uint32_t inStride,
        native_handle_t* inHandle,
        bool keepOwnership)
{
    android::GraphicBuffer::HandleWrapMethod inMethod =
        (keepOwnership ? android::GraphicBuffer::TAKE_HANDLE : android::GraphicBuffer::WRAP_HANDLE);
    _ZN7android13GraphicBufferC1EjjijjjP13native_handleb(inHandle, inMethod, inWidth, inHeight,
        inFormat, static_cast<uint32_t>(1), static_cast<uint64_t>(inUsage), inStride);
}

namespace android {

DisplayEventReceiver::DisplayEventReceiver() {
    status_t err;
    sp<ISurfaceComposer> sf(ComposerService::getComposerService());
    if (sf != NULL) {
        mEventConnection = sf->createDisplayEventConnection(ISurfaceComposer::eVsyncSourceApp);
        if (mEventConnection != NULL) {
            mDataChannel = std::make_unique<gui::BitTube>();
            err = mEventConnection->stealReceiveChannel(mDataChannel.get());
        }
    }
}

}; // namespace android