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_tabs.h"
17
18 #include "frameworks/bridge/common/dom/dom_tab_bar.h"
19 #include "frameworks/bridge/common/dom/dom_tab_content.h"
20 #include "frameworks/bridge/common/utils/utils.h"
21
22 namespace OHOS::Ace::Framework {
23
24 // global variable to track the tabs' controllerId
25 static uint32_t g_domNodeControllerId = 0;
26
GetGlobalTabControllerId()27 uint32_t DOMTabs::GetGlobalTabControllerId()
28 {
29 return ++g_domNodeControllerId;
30 }
31
DOMTabs(NodeId nodeId,const std::string & nodeName)32 DOMTabs::DOMTabs(NodeId nodeId, const std::string& nodeName) : DOMNode(nodeId, nodeName)
33 {
34 flexChild_ = CreateChild();
35 tabControllerId_ = GetGlobalTabControllerId();
36 tabController_ = TabController::GetController(tabControllerId_);
37 }
38
CreateChild() const39 RefPtr<FlexComponent> DOMTabs::CreateChild() const
40 {
41 RefPtr<FlexComponent> child;
42 if (vertical_) {
43 child = AceType::MakeRefPtr<RowComponent>(
44 FlexAlign::FLEX_START, FlexAlign::CENTER, std::list<RefPtr<Component>>());
45 } else {
46 child = AceType::MakeRefPtr<ColumnComponent>(
47 FlexAlign::FLEX_START, FlexAlign::CENTER, std::list<RefPtr<Component>>());
48 }
49 if (IsRightToLeft()) {
50 child->SetTextDirection(TextDirection::RTL);
51 } else {
52 child->SetTextDirection(TextDirection::LTR);
53 }
54 return child;
55 }
56
SetSpecializedAttr(const std::pair<std::string,std::string> & attr)57 bool DOMTabs::SetSpecializedAttr(const std::pair<std::string, std::string>& attr)
58 {
59 if (attr.first == TAB_INDEX) {
60 tabIndex_ = std::max(0, StringToInt(attr.second));
61 if (tabController_) {
62 tabController_->SetIndexByController(tabIndex_);
63 }
64 for (const auto& domChild : GetChildList()) {
65 if (AceType::InstanceOf<DOMTabBar>(domChild)) {
66 AceType::DynamicCast<DOMTabBar>(domChild)->UpdateIndex(tabIndex_);
67 break;
68 }
69 }
70 return true;
71 } else if (attr.first == TAB_IS_VERTICAL) {
72 if (vertical_ != StringToBool(attr.second)) {
73 vertical_ = StringToBool(attr.second);
74 auto newChild = CreateChild();
75 for (const auto& child : flexChild_->GetChildren()) {
76 newChild->AppendChild(child);
77 }
78 flexChild_ = newChild;
79 for (const auto& domChild : GetChildList()) {
80 if (AceType::InstanceOf<DOMTabBar>(domChild)) {
81 AceType::DynamicCast<DOMTabBar>(domChild)->SetVertical(vertical_);
82 }
83 if (AceType::InstanceOf<DOMTabContent>(domChild)) {
84 AceType::DynamicCast<DOMTabContent>(domChild)->SetVertical(vertical_);
85 }
86 }
87 }
88 return true;
89 }
90 return false;
91 }
92
AddSpecializedEvent(int32_t pageId,const std::string & event)93 bool DOMTabs::AddSpecializedEvent(int32_t pageId, const std::string& event)
94 {
95 if (event == DOM_CHANGE) {
96 tabPageId_ = static_cast<uint32_t>(pageId);
97 tabEventId_ = GetNodeIdForEvent();
98 tabEventType_ = event;
99 return true;
100 }
101 return false;
102 }
103
OnChildNodeAdded(const RefPtr<DOMNode> & child,int32_t slot)104 void DOMTabs::OnChildNodeAdded(const RefPtr<DOMNode>& child, int32_t slot)
105 {
106 if (!child) {
107 return;
108 }
109 flexChild_->InsertChild(slot, child->GetRootComponent());
110 }
111
OnChildNodeRemoved(const RefPtr<DOMNode> & child)112 void DOMTabs::OnChildNodeRemoved(const RefPtr<DOMNode>& child)
113 {
114 if (!child) {
115 return;
116 }
117 flexChild_->RemoveChild(child->GetRootComponent());
118 }
119
120 } // namespace OHOS::Ace::Framework
121