libs/gui/ScreenCaptureResults.cpp

/*
 * 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.
 */

#include <gui/ScreenCaptureResults.h>

#include <private/gui/ParcelUtils.h>
#include <ui/FenceResult.h>

namespace android::gui {

status_t ScreenCaptureResults::writeToParcel(android::Parcel* parcel) const {
    if (buffer != nullptr) {
        SAFE_PARCEL(parcel->writeBool, true);
        SAFE_PARCEL(parcel->write, *buffer);
    } else {
        SAFE_PARCEL(parcel->writeBool, false);
    }

    if (fenceResult.ok() && fenceResult.value() != Fence::NO_FENCE) {
        SAFE_PARCEL(parcel->writeBool, true);
        SAFE_PARCEL(parcel->write, *fenceResult.value());
    } else {
        SAFE_PARCEL(parcel->writeBool, false);
        SAFE_PARCEL(parcel->writeInt32, fenceStatus(fenceResult));
    }

    SAFE_PARCEL(parcel->writeBool, capturedSecureLayers);
    SAFE_PARCEL(parcel->writeBool, capturedHdrLayers);
    SAFE_PARCEL(parcel->writeUint32, static_cast<uint32_t>(capturedDataspace));
    if (optionalGainMap != nullptr) {
        SAFE_PARCEL(parcel->writeBool, true);
        SAFE_PARCEL(parcel->write, *optionalGainMap);
    } else {
        SAFE_PARCEL(parcel->writeBool, false);
    }
    SAFE_PARCEL(parcel->writeFloat, hdrSdrRatio);
    return NO_ERROR;
}

status_t ScreenCaptureResults::readFromParcel(const android::Parcel* parcel) {
    bool hasGraphicBuffer;
    SAFE_PARCEL(parcel->readBool, &hasGraphicBuffer);
    if (hasGraphicBuffer) {
        buffer = new GraphicBuffer();
        SAFE_PARCEL(parcel->read, *buffer);
    }

    bool hasFence;
    SAFE_PARCEL(parcel->readBool, &hasFence);
    if (hasFence) {
        fenceResult = sp<Fence>::make();
        SAFE_PARCEL(parcel->read, *fenceResult.value());
    } else {
        status_t status;
        SAFE_PARCEL(parcel->readInt32, &status);
        fenceResult = status == NO_ERROR ? FenceResult(Fence::NO_FENCE)
                                         : FenceResult(base::unexpected(status));
    }

    SAFE_PARCEL(parcel->readBool, &capturedSecureLayers);
    SAFE_PARCEL(parcel->readBool, &capturedHdrLayers);
    uint32_t dataspace = 0;
    SAFE_PARCEL(parcel->readUint32, &dataspace);
    capturedDataspace = static_cast<ui::Dataspace>(dataspace);

    bool hasGainmap;
    SAFE_PARCEL(parcel->readBool, &hasGainmap);
    if (hasGainmap) {
        optionalGainMap = new GraphicBuffer();
        SAFE_PARCEL(parcel->read, *optionalGainMap);
    }
    SAFE_PARCEL(parcel->readFloat, &hdrSdrRatio);
    return NO_ERROR;
}

} // namespace android::gui