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_info.h" 17 18 namespace OHOS::Rosen { Marshalling(Parcel &parcel) const19bool ScreenInfo::Marshalling(Parcel &parcel) const 20 { 21 bool res = parcel.WriteString(name_) && parcel.WriteUint64(id_) && 22 parcel.WriteUint32(virtualWidth_) && parcel.WriteUint32(virtualHeight_) && 23 parcel.WriteFloat(virtualPixelRatio_) && parcel.WriteUint64(lastParent_) && parcel.WriteUint64(parent_) && 24 parcel.WriteBool(isScreenGroup_) && parcel.WriteUint32(static_cast<uint32_t>(rotation_)) && 25 parcel.WriteUint32(static_cast<uint32_t>(orientation_)) && 26 parcel.WriteUint32(static_cast<uint32_t>(sourceMode_)) && 27 parcel.WriteUint32(static_cast<uint32_t>(type_)) && 28 parcel.WriteUint32(modeId_) && parcel.WriteUint32(static_cast<uint32_t>(modes_.size())) && 29 parcel.WriteBool(isExtend_); 30 if (!res) { 31 return false; 32 } 33 if (modes_.size() > MAX_SUPPORTED_SCREEN_MODES_SIZE) { 34 return false; 35 } 36 for (uint32_t modeIndex = 0; modeIndex < modes_.size(); modeIndex++) { 37 if (parcel.WriteUint32(modes_[modeIndex]->id_) && 38 parcel.WriteUint32(modes_[modeIndex]->height_) && 39 parcel.WriteUint32(modes_[modeIndex]->width_) && 40 parcel.WriteUint32(modes_[modeIndex]->refreshRate_)) { 41 continue; 42 } 43 return false; 44 } 45 return true; 46 } 47 Unmarshalling(Parcel &parcel)48ScreenInfo* ScreenInfo::Unmarshalling(Parcel &parcel) 49 { 50 ScreenInfo* info = new(std::nothrow) ScreenInfo(); 51 if (info == nullptr) { 52 return info; 53 } 54 bool res = info->InnerUnmarshalling(parcel); 55 if (res) { 56 return info; 57 } 58 delete info; 59 return nullptr; 60 } 61 InnerUnmarshalling(Parcel& parcel)62bool ScreenInfo::InnerUnmarshalling(Parcel& parcel) 63 { 64 uint32_t size = 0; 65 uint32_t rotation; 66 uint32_t orientation; 67 uint32_t sourceMode; 68 uint32_t type; 69 name_ = parcel.ReadString(); 70 bool res1 = parcel.ReadUint64(id_) && 71 parcel.ReadUint32(virtualWidth_) && parcel.ReadUint32(virtualHeight_) && 72 parcel.ReadFloat(virtualPixelRatio_) && parcel.ReadUint64(lastParent_) && parcel.ReadUint64(parent_) && 73 parcel.ReadBool(isScreenGroup_) && parcel.ReadUint32(rotation) && 74 parcel.ReadUint32(orientation) && parcel.ReadUint32(sourceMode) && parcel.ReadUint32(type) && 75 parcel.ReadUint32(modeId_) && parcel.ReadUint32(size) && 76 parcel.ReadBool(isExtend_); 77 if (!res1) { 78 return false; 79 } 80 if (size > MAX_SUPPORTED_SCREEN_MODES_SIZE) { 81 return false; 82 } 83 modes_.clear(); 84 for (uint32_t modeIndex = 0; modeIndex < size; modeIndex++) { 85 sptr<SupportedScreenModes> mode = new(std::nothrow) SupportedScreenModes(); 86 if (mode == nullptr) { 87 return false; 88 } 89 if (parcel.ReadUint32(mode->id_) && 90 parcel.ReadUint32(mode->height_) && 91 parcel.ReadUint32(mode->width_) && 92 parcel.ReadUint32(mode->refreshRate_)) { 93 modes_.push_back(mode); 94 } else { 95 return false; 96 } 97 } 98 rotation_ = static_cast<Rotation>(rotation); 99 orientation_ = static_cast<Orientation>(orientation); 100 sourceMode_ = static_cast<ScreenSourceMode>(sourceMode); 101 type_ = static_cast<ScreenType>(type); 102 return true; 103 } 104 } // namespace OHOS::Rosen