1 /*
2  * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "screen_group_info.h"
17 
18 namespace OHOS::Rosen {
Marshalling(Parcel & parcel) const19 bool ScreenGroupInfo::Marshalling(Parcel &parcel) const
20 {
21     bool res = ScreenInfo::Marshalling(parcel) && parcel.WriteUint32((uint32_t)combination_) &&
22         parcel.WriteUInt64Vector(children_);
23     if (!res) {
24         return false;
25     }
26     size_t size = position_.size();
27     if (!parcel.WriteUint32(size)) {
28         return false;
29     }
30     if (size > MAX_SCREEN_GROUP_INFO_SIZE) {
31         return false;
32     }
33     for (size_t i = 0; i < size; i++) {
34         if (!parcel.WriteInt32(position_[i].posX_) || !parcel.WriteInt32(position_[i].posY_)) {
35             return false;
36         }
37     }
38     return true;
39 }
40 
Unmarshalling(Parcel & parcel)41 ScreenGroupInfo* ScreenGroupInfo::Unmarshalling(Parcel &parcel)
42 {
43     ScreenGroupInfo* screenGroupInfo = new(std::nothrow) ScreenGroupInfo();
44     if (screenGroupInfo == nullptr) {
45         return screenGroupInfo;
46     }
47     bool res = screenGroupInfo->InnerUnmarshalling(parcel);
48     if (res) {
49         return screenGroupInfo;
50     }
51     delete screenGroupInfo;
52     return nullptr;
53 }
54 
InnerUnmarshalling(Parcel & parcel)55 bool ScreenGroupInfo::InnerUnmarshalling(Parcel& parcel)
56 {
57     uint32_t combination;
58     if (!ScreenInfo::InnerUnmarshalling(parcel) || !parcel.ReadUint32(combination) ||
59         !parcel.ReadUInt64Vector(&children_)) {
60         return false;
61     }
62     combination_ = (ScreenCombination) combination;
63     uint32_t size;
64     if (!parcel.ReadUint32(size)) {
65         return false;
66     }
67     if (size > MAX_SCREEN_GROUP_INFO_SIZE) {
68         return false;
69     }
70     for (size_t i = 0; i < size; i++) {
71         Point point;
72         if (parcel.ReadInt32(point.posX_) && parcel.ReadInt32(point.posY_)) {
73             position_.push_back(point);
74         } else {
75             return false;
76         }
77     }
78     return true;
79 }
80 } // namespace OHOS::Rosen