xref: /foundation/window/window_manager/utils/src/screen_group_info.cpp

/*
 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
 * 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 "screen_group_info.h"

namespace OHOS::Rosen {
bool ScreenGroupInfo::Marshalling(Parcel &parcel) const
{
    bool res = ScreenInfo::Marshalling(parcel) && parcel.WriteUint32((uint32_t)combination_) &&
        parcel.WriteUInt64Vector(children_);
    if (!res) {
        return false;
    }
    size_t size = position_.size();
    if (!parcel.WriteUint32(size)) {
        return false;
    }
    if (size > MAX_SCREEN_GROUP_INFO_SIZE) {
        return false;
    }
    for (size_t i = 0; i < size; i++) {
        if (!parcel.WriteInt32(position_[i].posX_) || !parcel.WriteInt32(position_[i].posY_)) {
            return false;
        }
    }
    return true;
}

ScreenGroupInfo* ScreenGroupInfo::Unmarshalling(Parcel &parcel)
{
    ScreenGroupInfo* screenGroupInfo = new(std::nothrow) ScreenGroupInfo();
    if (screenGroupInfo == nullptr) {
        return screenGroupInfo;
    }
    bool res = screenGroupInfo->InnerUnmarshalling(parcel);
    if (res) {
        return screenGroupInfo;
    }
    delete screenGroupInfo;
    return nullptr;
}

bool ScreenGroupInfo::InnerUnmarshalling(Parcel& parcel)
{
    uint32_t combination;
    if (!ScreenInfo::InnerUnmarshalling(parcel) || !parcel.ReadUint32(combination) ||
        !parcel.ReadUInt64Vector(&children_)) {
        return false;
    }
    combination_ = static_cast<ScreenCombination>(combination);
    uint32_t size;
    if (!parcel.ReadUint32(size)) {
        return false;
    }
    if (size > MAX_SCREEN_GROUP_INFO_SIZE) {
        return false;
    }
    for (size_t i = 0; i < size; i++) {
        Point point;
        if (parcel.ReadInt32(point.posX_) && parcel.ReadInt32(point.posY_)) {
            position_.push_back(point);
        } else {
            return false;
        }
    }
    return true;
}
} // namespace OHOS::Rosen