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/declarative_frontend/jsview/js_if_else.h"
17
18 #include "core/common/container.h"
19 #include "core/components_ng/syntax/if_else_model.h"
20 #include "core/components_ng/syntax/if_else_model_ng.h"
21 #include "frameworks/bridge/declarative_frontend/jsview/models/if_else_model_impl.h"
22
23 namespace OHOS::Ace {
24
25 std::unique_ptr<IfElseModel> IfElseModel::instance = nullptr;
26 std::mutex IfElseModel::mutex_;
27
GetInstance()28 IfElseModel* IfElseModel::GetInstance()
29 {
30 if (!instance) {
31 std::lock_guard<std::mutex> lock(mutex_);
32 if (!instance) {
33 #ifdef NG_BUILD
34 instance.reset(new NG::IfElseModelNG());
35 #else
36 if (Container::IsCurrentUseNewPipeline()) {
37 instance.reset(new NG::IfElseModelNG());
38 } else {
39 instance.reset(new Framework::IfElseModelImpl());
40 }
41 #endif
42 }
43 }
44 return instance.get();
45 }
46 } // namespace OHOS::Ace
47
48 namespace OHOS::Ace::Framework {
49
JSBind(BindingTarget globalObj)50 void JSIfElse::JSBind(BindingTarget globalObj)
51 {
52 JSClass<JSIfElse>::Declare("If");
53 JSClass<JSIfElse>::StaticMethod("create", &JSIfElse::Create);
54 JSClass<JSIfElse>::StaticMethod("pop", &JSIfElse::Pop);
55
56 JSClass<JSIfElse>::StaticMethod("branchId", &JSIfElse::SetBranchId);
57 JSClass<JSIfElse>::StaticMethod("getBranchId", &JSIfElse::GetBranchId);
58 JSClass<JSIfElse>::StaticMethod("canRetake", &JSIfElse::CanRetake);
59
60 JSClass<JSIfElse>::Bind<>(globalObj);
61 }
62
CanRetake(const JSCallbackInfo & info)63 void JSIfElse::CanRetake(const JSCallbackInfo& info)
64 {
65 if (info.Length() != 1) {
66 TAG_LOGW(AceLogTag::ACE_IF, "CanRetake needs only 1 param");
67 info.SetReturnValue(JSRef<JSVal>::Make(ToJSValue(false)));
68 return;
69 }
70 if (!info[0]->IsString()) {
71 TAG_LOGW(AceLogTag::ACE_IF, "CanRetake needs string param");
72 info.SetReturnValue(JSRef<JSVal>::Make(ToJSValue(false)));
73 return;
74 }
75 auto id = info[0]->ToString();
76 auto result = IfElseModel::GetInstance()->CanRetake(id);
77 info.SetReturnValue(JSRef<JSVal>::Make(ToJSValue(result)));
78 }
79
80 // JS signature branchId(branchId: number, removedIfElseChildelmtIds : Array<number>)
SetBranchId(const JSCallbackInfo & info)81 void JSIfElse::SetBranchId(const JSCallbackInfo& info)
82 {
83 int32_t paramsLength = 2;
84 const int32_t branchid = info[0]->ToNumber<int32_t>();
85 std::list<int32_t> removedElmtIds;
86 IfElseModel::GetInstance()->SetBranchId(branchid, removedElmtIds);
87
88 if ((info.Length() < paramsLength) || (!info[0]->IsNumber()) || (!info[1]->IsArray())) {
89 TAG_LOGD(AceLogTag::ACE_IF, "If Params is not expected, maybe use old SDK");
90 return;
91 }
92
93 if (!removedElmtIds.size()) {
94 return;
95 }
96 // convert list of removed elmtIds: std::list to JSArray<number>
97 JSRef<JSArray> jsArr = JSRef<JSArray>::Cast(info[1]);
98 size_t index = jsArr->Length();
99 for (const auto& rmElmtId : removedElmtIds) {
100 jsArr->SetValueAt(index++, JSRef<JSVal>::Make(ToJSValue(rmElmtId)));
101 }
102 }
103 } // namespace OHOS::Ace::Framework
104