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1 /*
2  * Copyright (c) 2021-2022 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 "bridge/declarative_frontend/jsview/js_view_stack_processor.h"
17 
18 #include "bridge/declarative_frontend/engine/bindings.h"
19 #include "bridge/declarative_frontend/engine/js_types.h"
20 #include "bridge/declarative_frontend/jsview/models/view_stack_model_impl.h"
21 #include "bridge/declarative_frontend/view_stack_processor.h"
22 #include "core/common/container.h"
23 #include "core/components_ng/base/view_stack_model.h"
24 #include "core/components_ng/base/view_stack_model_ng.h"
25 #include "core/components_ng/base/view_stack_processor.h"
26 #include "frameworks/core/pipeline/base/element_register.h"
27 #include "foundation/arkui/ace_engine/frameworks/core/common/ace_application_info.h"
28 
29 namespace OHOS::Ace {
30 
31 std::unique_ptr<ViewStackModel> ViewStackModel::instance_ = nullptr;
32 std::mutex ViewStackModel::mutex_;
33 
GetInstance()34 ViewStackModel* ViewStackModel::GetInstance()
35 {
36     if (!instance_) {
37         std::lock_guard<std::mutex> lock(mutex_);
38         if (!instance_) {
39 #ifdef NG_BUILD
40             instance_.reset(new NG::ViewStackModelNG());
41 #else
42             if (Container::IsCurrentUseNewPipeline()) {
43                 instance_.reset(new NG::ViewStackModelNG());
44             } else {
45                 instance_.reset(new Framework::ViewStackModelImpl());
46             }
47 #endif
48         }
49     }
50     return instance_.get();
51 }
52 
53 } // namespace OHOS::Ace
54 namespace OHOS::Ace::Framework {
55 
JSVisualState(const JSCallbackInfo & info)56 void JSViewStackProcessor::JSVisualState(const JSCallbackInfo& info)
57 {
58     if ((info.Length() < 1) || (!info[0]->IsString())) {
59         ViewStackModel::GetInstance()->ClearVisualState();
60         return;
61     }
62 
63     std::string state = info[0]->ToString();
64     VisualState visualState = JSViewStackProcessor::StringToVisualState(state);
65     ViewStackModel::GetInstance()->SetVisualState(visualState);
66 }
67 
68 // public static emthods exposed to JS
JSBind(BindingTarget globalObj)69 void JSViewStackProcessor::JSBind(BindingTarget globalObj)
70 {
71     JSClass<JSViewStackProcessor>::Declare("ViewStackProcessor");
72     MethodOptions opt = MethodOptions::NONE;
73 
74     JSClass<JSViewStackProcessor>::StaticMethod(
75         "AllocateNewElmetIdForNextComponent", &JSViewStackProcessor::JsAllocateNewElmetIdForNextComponent, opt);
76     JSClass<JSViewStackProcessor>::StaticMethod(
77         "StartGetAccessRecordingFor", &JSViewStackProcessor::JsStartGetAccessRecordingFor, opt);
78     JSClass<JSViewStackProcessor>::StaticMethod(
79         "SetElmtIdToAccountFor", &JSViewStackProcessor::JsSetElmtIdToAccountFor, opt);
80     JSClass<JSViewStackProcessor>::StaticMethod(
81         "GetElmtIdToAccountFor", &JSViewStackProcessor::JsGetElmtIdToAccountFor, opt);
82     JSClass<JSViewStackProcessor>::StaticMethod(
83         "StopGetAccessRecording", &JSViewStackProcessor::JsStopGetAccessRecording, opt);
84     JSClass<JSViewStackProcessor>::StaticMethod(
85         "ImplicitPopBeforeContinue", &JSViewStackProcessor::JsImplicitPopBeforeContinue, opt);
86     JSClass<JSViewStackProcessor>::StaticMethod("visualState", JSVisualState, opt);
87     JSClass<JSViewStackProcessor>::StaticMethod("MakeUniqueId", &JSViewStackProcessor::JSMakeUniqueId, opt);
88     JSClass<JSViewStackProcessor>::StaticMethod("UsesNewPipeline", &JSViewStackProcessor::JsUsesNewPipeline, opt);
89     JSClass<JSViewStackProcessor>::StaticMethod("getApiVersion", &JSViewStackProcessor::JsGetApiVersion, opt);
90     JSClass<JSViewStackProcessor>::StaticMethod("GetAndPushFrameNode", &JSViewStackProcessor::JsGetAndPushFrameNode);
91     JSClass<JSViewStackProcessor>::StaticMethod("moveDeletedElmtIds", &JSViewStackProcessor::JsMoveDeletedElmtIds);
92     JSClass<JSViewStackProcessor>::Bind<>(globalObj);
93 }
94 
StringToVisualState(const std::string & stateString)95 VisualState JSViewStackProcessor::StringToVisualState(const std::string& stateString)
96 {
97     if (stateString == "normal") {
98         return VisualState::NORMAL;
99     }
100     if (stateString == "focused") {
101         return VisualState::FOCUSED;
102     }
103     if (stateString == "pressed" || stateString == "clicked") {
104         return VisualState::PRESSED;
105     }
106     if (stateString == "disabled") {
107         return VisualState::DISABLED;
108     }
109     if (stateString == "hover") {
110         return VisualState::HOVER;
111     }
112     if (stateString == "selected") {
113         return VisualState::SELECTED;
114     }
115     LOGE("Unknown visual state \"%{public}s\", resetting to UNDEFINED", stateString.c_str());
116     return VisualState::NOTSET;
117 }
118 
JsStartGetAccessRecordingFor(ElementIdType elmtId)119 void JSViewStackProcessor::JsStartGetAccessRecordingFor(ElementIdType elmtId)
120 {
121     ViewStackModel::GetInstance()->StartGetAccessRecordingFor(elmtId);
122 }
123 
JsGetElmtIdToAccountFor()124 int32_t JSViewStackProcessor::JsGetElmtIdToAccountFor()
125 {
126     return ViewStackModel::GetInstance()->GetElmtIdToAccountFor();
127 }
128 
JsSetElmtIdToAccountFor(ElementIdType elmtId)129 void JSViewStackProcessor::JsSetElmtIdToAccountFor(ElementIdType elmtId)
130 {
131     ViewStackModel::GetInstance()->SetElmtIdToAccountFor(elmtId);
132 }
133 
JsStopGetAccessRecording()134 void JSViewStackProcessor::JsStopGetAccessRecording()
135 {
136     return ViewStackModel::GetInstance()->StopGetAccessRecording();
137 }
138 
JsImplicitPopBeforeContinue()139 void JSViewStackProcessor::JsImplicitPopBeforeContinue()
140 {
141     ViewStackModel::GetInstance()->ImplicitPopBeforeContinue();
142 }
143 
JSMakeUniqueId(const JSCallbackInfo & info)144 void JSViewStackProcessor::JSMakeUniqueId(const JSCallbackInfo& info)
145 {
146     const auto result = ElementRegister::GetInstance()->MakeUniqueId();
147     info.SetReturnValue(JSRef<JSVal>::Make(ToJSValue(result)));
148 }
JsMoveDeletedElmtIds(const JSCallbackInfo & info)149 void JSViewStackProcessor::JsMoveDeletedElmtIds(const JSCallbackInfo& info)
150 {
151     if (!info[0]->IsArray()) {
152         return;
153     }
154     JSRef<JSArray> jsArr = JSRef<JSArray>::Cast(info[0]);
155 
156     RemovedElementsType removedElements;
157     ElementRegister::GetInstance()->MoveRemovedItems(removedElements);
158     size_t index = jsArr->Length();
159     for (const auto& rmElmtId : removedElements) {
160         // TS Object of type RemovedElementInfo:
161         JSRef<JSObject> jsObject = JSRef<JSObject>::New();
162         jsObject->SetPropertyObject("elmtId", JSRef<JSVal>::Make(ToJSValue(rmElmtId.first)));
163         jsObject->SetPropertyObject("tag", JSRef<JSVal>::Make(ToJSValue(rmElmtId.second)));
164         jsArr->SetValueAt(index++, jsObject);
165     }
166 }
167 
168 /**
169  * return true of current Container uses new Pipeline
170  */
JsUsesNewPipeline()171 bool JSViewStackProcessor::JsUsesNewPipeline()
172 {
173     if (Container::IsLauncherApp()) {
174         auto container = Container::Current();
175         return container ? container->IsUseNewPipeline() : true;
176     } else {
177         return Container::IsCurrentUseNewPipeline();
178     }
179 }
180 
181 /**
182  * return the API version specified in the manifest.json
183  */
JsGetApiVersion()184 int32_t JSViewStackProcessor::JsGetApiVersion()
185 {
186     return AceApplicationInfo::GetInstance().GetApiTargetVersion();
187 }
188 
JsGetAndPushFrameNode(const JSCallbackInfo & info)189 void JSViewStackProcessor::JsGetAndPushFrameNode(const JSCallbackInfo& info)
190 {
191     if (info.Length() < 2) {
192         return;
193     }
194     if (!info[0]->IsString() || !info[1]->IsNumber()) {
195         return;
196     }
197     ViewStackModel::GetInstance()->GetAndPushFrameNode(info[0]->ToString(), info[1]->ToNumber<int32_t>());
198 }
199 
200 } // namespace OHOS::Ace::Framework
201