1 /*
2 * Copyright (c) 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 "core/components_ng/pattern/navigation/bar_item_layout_algorithm.h"
17
18 #include "base/geometry/ng/offset_t.h"
19 #include "base/geometry/ng/size_t.h"
20 #include "base/memory/ace_type.h"
21 #include "base/utils/utils.h"
22 #include "core/components_ng/base/frame_node.h"
23 #include "core/components_ng/pattern/image/image_layout_property.h"
24 #include "core/components_ng/pattern/navigation/bar_item_node.h"
25 #include "core/components_ng/pattern/navigation/navigation_declaration.h"
26 #include "core/components_ng/property/layout_constraint.h"
27 #include "core/components_ng/property/measure_property.h"
28 #include "core/components_ng/property/measure_utils.h"
29
30 namespace OHOS::Ace::NG {
31
MeasureIcon(LayoutWrapper * layoutWrapper,const RefPtr<BarItemNode> & hostNode,const RefPtr<LayoutProperty> & barItemLayoutProperty)32 void BarItemLayoutAlgorithm::MeasureIcon(LayoutWrapper* layoutWrapper, const RefPtr<BarItemNode>& hostNode,
33 const RefPtr<LayoutProperty>& barItemLayoutProperty)
34 {
35 auto iconNode = hostNode->GetIconNode();
36 CHECK_NULL_VOID(iconNode);
37 auto index = hostNode->GetChildIndexById(iconNode->GetId());
38 auto iconWrapper = layoutWrapper->GetOrCreateChildByIndex((index));
39 CHECK_NULL_VOID(iconWrapper);
40 auto constraint = barItemLayoutProperty->CreateChildConstraint();
41
42 constraint.selfIdealSize =
43 OptionalSizeF(static_cast<float>(iconSize_.ConvertToPx()), static_cast<float>(iconSize_.ConvertToPx()));
44 iconWrapper->Measure(constraint);
45 }
46
MeasureText(LayoutWrapper * layoutWrapper,const RefPtr<BarItemNode> & hostNode,const RefPtr<LayoutProperty> & barItemLayoutProperty)47 void BarItemLayoutAlgorithm::MeasureText(LayoutWrapper* layoutWrapper, const RefPtr<BarItemNode>& hostNode,
48 const RefPtr<LayoutProperty>& barItemLayoutProperty)
49 {
50 auto textNode = hostNode->GetTextNode();
51 CHECK_NULL_VOID(textNode);
52 auto index = hostNode->GetChildIndexById(textNode->GetId());
53 auto textWrapper = layoutWrapper->GetOrCreateChildByIndex((index));
54 CHECK_NULL_VOID(textWrapper);
55 auto constraint = barItemLayoutProperty->CreateChildConstraint();
56 textWrapper->Measure(constraint);
57 }
58
LayoutIcon(LayoutWrapper * layoutWrapper,const RefPtr<BarItemNode> & hostNode,const RefPtr<LayoutProperty> & barItemLayoutProperty,float textHeight)59 float BarItemLayoutAlgorithm::LayoutIcon(LayoutWrapper* layoutWrapper, const RefPtr<BarItemNode>& hostNode,
60 const RefPtr<LayoutProperty>& barItemLayoutProperty, float textHeight)
61 {
62 auto iconNode = hostNode->GetIconNode();
63 CHECK_NULL_RETURN(iconNode, 0.0f);
64 auto index = hostNode->GetChildIndexById(iconNode->GetId());
65 auto iconWrapper = layoutWrapper->GetOrCreateChildByIndex(index);
66 CHECK_NULL_RETURN(iconWrapper, 0.0f);
67 auto geometryNode = iconWrapper->GetGeometryNode();
68
69 auto offset = OffsetF(0.0f, 0.0f);
70 geometryNode->SetMarginFrameOffset(offset);
71 iconWrapper->Layout();
72 return 0.0f;
73 }
74
LayoutText(LayoutWrapper * layoutWrapper,const RefPtr<BarItemNode> & hostNode,const RefPtr<LayoutProperty> & barItemLayoutProperty,float iconOffsetY)75 void BarItemLayoutAlgorithm::LayoutText(LayoutWrapper* layoutWrapper, const RefPtr<BarItemNode>& hostNode,
76 const RefPtr<LayoutProperty>& barItemLayoutProperty, float iconOffsetY)
77 {
78 auto textNode = hostNode->GetTextNode();
79 CHECK_NULL_VOID(textNode);
80 auto index = hostNode->GetChildIndexById(textNode->GetId());
81 auto textWrapper = layoutWrapper->GetOrCreateChildByIndex(index);
82 CHECK_NULL_VOID(textWrapper);
83 auto geometryNode = textWrapper->GetGeometryNode();
84 auto textOffsetY = iconSize_ + TEXT_TOP_PADDING;
85 auto offset = OffsetF(0.0f, iconOffsetY + static_cast<float>(textOffsetY.ConvertToPx()));
86 geometryNode->SetMarginFrameOffset(offset);
87 textWrapper->Layout();
88 }
89
Measure(LayoutWrapper * layoutWrapper)90 void BarItemLayoutAlgorithm::Measure(LayoutWrapper* layoutWrapper)
91 {
92 auto hostNode = AceType::DynamicCast<BarItemNode>(layoutWrapper->GetHostNode());
93 CHECK_NULL_VOID(hostNode);
94 auto barItemLayoutProperty = AceType::DynamicCast<LayoutProperty>(layoutWrapper->GetLayoutProperty());
95 CHECK_NULL_VOID(barItemLayoutProperty);
96 const auto& constraint = barItemLayoutProperty->GetLayoutConstraint();
97 CHECK_NULL_VOID(constraint);
98
99 // get parameters from theme
100 auto theme = NavigationGetTheme();
101 CHECK_NULL_VOID(theme);
102 iconSize_ = theme->GetMenuIconSize();
103 auto size = SizeF(static_cast<float>(iconSize_.ConvertToPx()), static_cast<float>(iconSize_.ConvertToPx()));
104 MeasureIcon(layoutWrapper, hostNode, barItemLayoutProperty);
105 MeasureText(layoutWrapper, hostNode, barItemLayoutProperty);
106 layoutWrapper->GetGeometryNode()->SetFrameSize(size);
107 }
108
Layout(LayoutWrapper * layoutWrapper)109 void BarItemLayoutAlgorithm::Layout(LayoutWrapper* layoutWrapper)
110 {
111 auto hostNode = AceType::DynamicCast<BarItemNode>(layoutWrapper->GetHostNode());
112 CHECK_NULL_VOID(hostNode);
113 auto barItemLayoutProperty = AceType::DynamicCast<LayoutProperty>(layoutWrapper->GetLayoutProperty());
114 CHECK_NULL_VOID(barItemLayoutProperty);
115
116 float textHeight = 0.0f;
117 auto textNode = hostNode->GetTextNode();
118 if (textNode) {
119 auto index = hostNode->GetChildIndexById(textNode->GetId());
120 auto textWrapper = layoutWrapper->GetOrCreateChildByIndex(index);
121 CHECK_NULL_VOID(textWrapper);
122 auto geometryNode = textWrapper->GetGeometryNode();
123 textHeight = geometryNode->GetFrameSize().Height();
124 }
125
126 float iconOffsetY = LayoutIcon(layoutWrapper, hostNode, barItemLayoutProperty, textHeight);
127 LayoutText(layoutWrapper, hostNode, barItemLayoutProperty, iconOffsetY);
128 }
129
130 } // namespace OHOS::Ace::NG
131