1 /*
2 * Copyright (c) 2021 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 "core/components/common/layout/grid_container_info.h"
17
18 #include "core/components/common/layout/grid_system_manager.h"
19
20 namespace OHOS::Ace {
21
22 template<typename T>
GetValue(const T & current,const T & system,const T & defaultValue)23 const T& GetValue(const T& current, const T& system, const T& defaultValue)
24 {
25 if (current == defaultValue) {
26 return system;
27 }
28 return current;
29 }
30
BuildColumnWidth()31 void GridContainerInfo::BuildColumnWidth()
32 {
33 auto pipeline = PipelineBase::GetCurrentContext();
34 BuildColumnWidth(GridSystemManager::GetInstance().GetScreenWidth(pipeline));
35 }
36
BuildColumnWidth(double width)37 void GridContainerInfo::BuildColumnWidth(double width)
38 {
39 SystemGridInfo systemGridInfo;
40 if (sizeType_ != GridSizeType::UNDEFINED && currentSizeType_ == GridSizeType::UNDEFINED) {
41 systemGridInfo = GridSystemManager::GetInstance().GetSystemGridInfo(sizeType_);
42 // using fix size type
43 currentSizeType_ = sizeType_;
44 } else {
45 systemGridInfo = GridSystemManager::GetInstance().GetSystemGridInfo(templateType_, width);
46 if (currentSizeType_ != systemGridInfo.sizeType) {
47 // system size changed
48 currentSizeType_ = systemGridInfo.sizeType;
49 } else {
50 if (NearEqual(containerWidth_, width)) {
51 LOGW("container width not changed.");
52 return;
53 }
54 }
55 }
56 containerWidth_ = width;
57 double dipScale = GridSystemManager::GetInstance().GetDipScale();
58 // if not define the prop, use system grid define
59 int32_t columns = GetValue(columns_, systemGridInfo.columns, UNDEFINED_INT);
60 if (columns == 0) {
61 return;
62 }
63 double gutterWidth = GetValue(gutterWidth_, systemGridInfo.gutter, UNDEFINED_DIMENSION).ConvertToPx(dipScale);
64 double marginLeft = GetValue(marginLeft_, systemGridInfo.margin, UNDEFINED_DIMENSION).ConvertToPx(dipScale);
65 double marginRight = GetValue(marginRight_, systemGridInfo.margin, UNDEFINED_DIMENSION).ConvertToPx(dipScale);
66 double padding = GetValue(paddingLeft_, Dimension(), UNDEFINED_DIMENSION).ConvertToPx(dipScale) +
67 GetValue(paddingRight_, Dimension(), UNDEFINED_DIMENSION).ConvertToPx(dipScale);
68
69 columnWidth_ = (width - marginLeft - marginRight - padding - (columns - 1) * gutterWidth) / columns;
70 }
71
GetSizeType() const72 GridSizeType GridContainerInfo::GetSizeType() const
73 {
74 // if container don't want to use fix size type, use system current size type default
75 return sizeType_ != GridSizeType::UNDEFINED ? sizeType_ : currentSizeType_;
76 }
77
GetColumns() const78 int32_t GridContainerInfo::GetColumns() const
79 {
80 if (columns_ == UNDEFINED_INT) {
81 return GridSystemManager::GetInstance().GetSystemGridInfo(templateType_, containerWidth_).columns;
82 }
83 return columns_;
84 }
85
GetGutterWidth() const86 Dimension GridContainerInfo::GetGutterWidth() const
87 {
88 if (gutterWidth_ == UNDEFINED_DIMENSION) {
89 return GridSystemManager::GetInstance().GetSystemGridInfo(templateType_, containerWidth_).gutter;
90 }
91 return gutterWidth_;
92 }
93
GetMarginLeft() const94 Dimension GridContainerInfo::GetMarginLeft() const
95 {
96 if (marginLeft_ == UNDEFINED_DIMENSION) {
97 return GridSystemManager::GetInstance().GetSystemGridInfo(templateType_, containerWidth_).margin;
98 }
99 return marginLeft_;
100 }
101
GetMarginRight() const102 Dimension GridContainerInfo::GetMarginRight() const
103 {
104 if (marginRight_ == UNDEFINED_DIMENSION) {
105 return GridSystemManager::GetInstance().GetSystemGridInfo(templateType_, containerWidth_).margin;
106 }
107 return marginRight_;
108 }
109
110 } // namespace OHOS::Ace
111