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 "frameworks/bridge/common/dom/dom_span.h"
17
18 #include "core/common/ace_application_info.h"
19 #include "core/components/declaration/span/span_declaration.h"
20 #include "frameworks/bridge/common/utils/utils.h"
21
22 namespace OHOS::Ace::Framework {
23
DOMSpan(NodeId nodeId,const std::string & nodeName)24 DOMSpan::DOMSpan(NodeId nodeId, const std::string& nodeName) : DOMNode(nodeId, nodeName)
25 {
26 textSpanChild_ = AceType::MakeRefPtr<TextSpanComponent>("");
27 // span has no box component.
28 boxComponent_.Reset();
29 }
30
ResetInitializedStyle()31 void DOMSpan::ResetInitializedStyle()
32 {
33 for (const auto& child : GetChildList()) {
34 auto domSpan = AceType::DynamicCast<DOMSpan>(child);
35 if (!domSpan) {
36 LOGW("span only support span child");
37 continue;
38 }
39 auto spanComponent = AceType::DynamicCast<TextSpanComponent>(domSpan->GetSpecializedComponent());
40 if (!spanComponent) {
41 LOGW("span only support span child");
42 continue;
43 }
44
45 // If span component has no developer-set styles, then set text styles to span
46 TextStyle spanStyle = spanComponent->GetTextStyle();
47 CheckAndSetCurrentSpanStyle(domSpan, spanStyle, textSpanChild_->GetTextStyle());
48 domSpan->SetTextStyle(spanStyle);
49 spanComponent->SetTextStyle(spanStyle);
50 }
51 }
52
CheckAndSetCurrentSpanStyle(const RefPtr<DOMSpan> & domSpan,TextStyle & currentStyle,const TextStyle & parentStyle)53 void DOMSpan::CheckAndSetCurrentSpanStyle(
54 const RefPtr<DOMSpan>& domSpan, TextStyle& currentStyle, const TextStyle& parentStyle)
55 {
56 if (!domSpan->HasSetFontColor()) {
57 currentStyle.SetTextColor(parentStyle.GetTextColor());
58 }
59 if (!domSpan->HasSetFontSize()) {
60 currentStyle.SetFontSize(parentStyle.GetFontSize());
61 }
62 if (!domSpan->HasSetFontStyle()) {
63 currentStyle.SetFontStyle(parentStyle.GetFontStyle());
64 }
65 if (!domSpan->HasSetFontWeight()) {
66 currentStyle.SetFontWeight(parentStyle.GetFontWeight());
67 }
68 if (!domSpan->HasSetTextDecoration()) {
69 currentStyle.SetTextDecoration(parentStyle.GetTextDecoration());
70 }
71 if (!domSpan->HasSetFontFamily()) {
72 currentStyle.SetFontFamilies(parentStyle.GetFontFamilies());
73 }
74 if (!domSpan->HasSetAllowScale()) {
75 currentStyle.SetAllowScale(parentStyle.IsAllowScale());
76 }
77 if (!domSpan->HasSetFontFeatures()) {
78 currentStyle.SetFontFeatures(parentStyle.GetFontFeatures());
79 }
80 currentStyle.SetLetterSpacing(parentStyle.GetLetterSpacing());
81 currentStyle.SetLineHeight(parentStyle.GetLineHeight(), parentStyle.HasHeightOverride());
82 }
83
OnChildNodeAdded(const RefPtr<DOMNode> & child,int32_t slot)84 void DOMSpan::OnChildNodeAdded(const RefPtr<DOMNode>& child, int32_t slot)
85 {
86 if (!child) {
87 return;
88 }
89
90 if (child->GetTag() == DOM_NODE_TAG_SPAN) {
91 // Get current span's parent (also span) styles, if no user setting styles
92 // on this span, use its parent styles.
93 TextStyle parentSpanStyle = textSpanChild_->GetTextStyle();
94 auto spanComponent = AceType::DynamicCast<TextSpanComponent>(child->GetSpecializedComponent());
95 if (!spanComponent) {
96 LOGE("DOMSpan: span is null");
97 return;
98 }
99
100 // Get current span's styles to compare with its parent span.
101 TextStyle currentSpanStyle = spanComponent->GetTextStyle();
102 auto domSpan = AceType::DynamicCast<DOMSpan>(child);
103 CheckAndSetCurrentSpanStyle(domSpan, currentSpanStyle, parentSpanStyle);
104 domSpan->SetTextStyle(currentSpanStyle);
105 spanComponent->SetTextStyle(currentSpanStyle);
106 textSpanChild_->InsertChild(slot, child->GetRootComponent());
107 }
108 }
109
OnChildNodeRemoved(const RefPtr<DOMNode> & child)110 void DOMSpan::OnChildNodeRemoved(const RefPtr<DOMNode>& child)
111 {
112 if (!child) {
113 return;
114 }
115
116 textSpanChild_->RemoveChild(child->GetRootComponent());
117 }
118
PrepareSpecializedComponent()119 void DOMSpan::PrepareSpecializedComponent()
120 {
121 auto spanDeclaration = AceType::DynamicCast<SpanDeclaration>(declaration_);
122 if (!spanDeclaration) {
123 return;
124 }
125 auto& specializedStyle = declaration_->MaybeResetStyle<SpanStyle>(StyleTag::SPECIALIZED_STYLE);
126 if (specializedStyle.IsValid()) {
127 bool isCard = AceApplicationInfo::GetInstance().GetIsCardType();
128 if (isCard) {
129 specializedStyle.spanStyle.SetAllowScale(false);
130 if (specializedStyle.spanStyle.GetFontSize().Unit() == DimensionUnit::FP) {
131 specializedStyle.spanStyle.SetAllowScale(true);
132 }
133 }
134 }
135
136 textSpanChild_->SetDeclaration(spanDeclaration);
137 }
138
139 } // namespace OHOS::Ace::Framework
140