1 /*
2  * Copyright (c) 2021-2023 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/engine/functions/js_function.h"
17 
18 #include "base/json/json_util.h"
19 #include "base/log/ace_performance_monitor.h"
20 #include "base/log/ace_trace.h"
21 #include "base/log/log.h"
22 #include "frameworks/bridge/declarative_frontend/jsview/js_xcomponent.h"
23 
24 namespace OHOS::Ace::Framework {
25 
JsFunction(const JSRef<JSFunc> & jsFunction)26 JsFunction::JsFunction(const JSRef<JSFunc>& jsFunction)
27 {
28     jsFunction_ = jsFunction;
29 }
30 
JsFunction(const JSRef<JSObject> & jsObject,const JSRef<JSFunc> & jsFunction)31 JsFunction::JsFunction(const JSRef<JSObject>& jsObject, const JSRef<JSFunc>& jsFunction)
32 {
33     jsThis_ = jsObject;
34     jsFunction_ = jsFunction;
35 }
36 
JsWeakFunction(const JSRef<JSFunc> & jsFunction)37 JsWeakFunction::JsWeakFunction(const JSRef<JSFunc>& jsFunction)
38 {
39     jsWeakFunction_ = jsFunction;
40 }
41 
JsWeakFunction(const JSRef<JSObject> & jsObject,const JSRef<JSFunc> & jsFunction)42 JsWeakFunction::JsWeakFunction(const JSRef<JSObject>& jsObject, const JSRef<JSFunc>& jsFunction)
43 {
44     jsThis_ = jsObject;
45     jsWeakFunction_ = jsFunction;
46 }
47 
~JsFunction()48 JsFunction::~JsFunction() {}
49 
Execute(const JSRef<JSObject> & jsParamsObject)50 void JsFunctionBase::Execute(const JSRef<JSObject>& jsParamsObject)
51 {
52     JSRef<JSVal> paramObj = JSRef<JSVal>::Cast(jsParamsObject);
53     ExecuteJS(1, &paramObj);
54 }
55 
Execute(const std::vector<std::string> & keys,const std::string & param)56 void JsFunctionBase::Execute(const std::vector<std::string>& keys, const std::string& param)
57 {
58     std::unique_ptr<JsonValue> argsPtr = JsonUtil::ParseJsonString(param);
59     if (!argsPtr) {
60         return;
61     }
62     JSRef<JSObject> eventInfo = JSRef<JSObject>::New();
63     for (auto iter = keys.begin(); iter != keys.end(); iter++) {
64         const std::string key = *iter;
65         const auto value = argsPtr->GetValue(key);
66         if (!value) {
67             LOGD("key[%{public}s] not exist.", key.c_str());
68             continue;
69         }
70         ExecuteInternal(value, key, eventInfo);
71     }
72 
73     JSRef<JSVal> paramObj = JSRef<JSVal>::Cast(eventInfo);
74     ExecuteJS(1, &paramObj);
75 }
76 
ExecuteInternal(const std::unique_ptr<JsonValue> & value,const std::string & key,const JSRef<JSObject> & eventInfo)77 void JsFunctionBase::ExecuteInternal(const std::unique_ptr<JsonValue>& value, const std::string& key,
78     const JSRef<JSObject>& eventInfo)
79 {
80     if (value->IsString()) {
81         eventInfo->SetProperty<std::string>(key.c_str(), value->GetString().c_str());
82     } else if (value->IsNumber()) {
83         eventInfo->SetProperty<double>(key.c_str(), value->GetDouble());
84     } else if (value->IsBool()) {
85         eventInfo->SetProperty<bool>(key.c_str(), value->GetBool());
86     } else if (value->IsObject()) {
87         eventInfo->SetPropertyJsonObject(key.c_str(), value->ToString().c_str());
88     } else if (value->IsArray()) {
89         JSRef<JSArray> valueArray = JSRef<JSArray>::New();
90         for (auto index = 0; index < value->GetArraySize(); index++) {
91             auto item = value->GetArrayItem(index);
92             if (item && item->IsString()) {
93                 valueArray->SetValueAt(index, JSRef<JSVal>::Make(ToJSValue(item->GetString())));
94             }
95             if (item && item->IsNumber()) {
96                 valueArray->SetValueAt(index, JSRef<JSVal>::Make(ToJSValue(item->GetInt())));
97             }
98         }
99         eventInfo->SetPropertyObject(key.c_str(), valueArray);
100     }
101 }
102 
ExecuteNew(const std::vector<std::string> & keys,const std::string & param)103 void JsFunctionBase::ExecuteNew(const std::vector<std::string>& keys, const std::string& param)
104 {
105     JSRef<JSVal> jsVal;
106     if (keys.size() > 1) {
107         auto result = XComponentClient::GetInstance().GetJSVal(keys[1], jsVal);
108         RefPtr<JSXComponentController> controller =
109             XComponentClient::GetInstance().GetControllerFromJSXComponentControllersMap(keys[1]);
110         if (result && controller) {
111             controller->SetXComponentContext(jsVal);
112         }
113     }
114     ExecuteJS(1, &jsVal);
115 }
116 
ExecuteJS(int argc,JSRef<JSVal> argv[])117 JSRef<JSVal> JsWeakFunction::ExecuteJS(int argc, JSRef<JSVal> argv[])
118 {
119     JS_CALLBACK_DURATION();
120     JAVASCRIPT_EXECUTION_SCOPE_STATIC
121     ACE_FUNCTION_TRACE();
122     JSRef<JSVal> jsObject = jsThis_.Lock();
123     auto jsFunction = jsWeakFunction_.Lock();
124     if (jsFunction.IsEmpty()) {
125         LOGW("js function is null.");
126         return {};
127     }
128     JSRef<JSVal> result = jsFunction->Call(jsObject, argc, argv);
129     return result;
130 }
131 
ExecuteJS(int argc,JSRef<JSVal> argv[])132 JSRef<JSVal> JsFunction::ExecuteJS(int argc, JSRef<JSVal> argv[])
133 {
134     JS_CALLBACK_DURATION();
135     JAVASCRIPT_EXECUTION_SCOPE_STATIC
136     ACE_FUNCTION_TRACE();
137 
138     JSRef<JSVal> jsObject = jsThis_.Lock();
139     JSRef<JSVal> result = jsFunction_->Call(jsObject, argc, argv);
140     return result;
141 }
142 
CreateEventTargetObject(const BaseEventInfo & info)143 JSRef<JSObject> CreateEventTargetObject(const BaseEventInfo& info)
144 {
145     JSRef<JSObjTemplate> objectTemplate = JSRef<JSObjTemplate>::New();
146     JSRef<JSObject> target = objectTemplate->NewInstance();
147     JSRef<JSObject> area = objectTemplate->NewInstance();
148     JSRef<JSObject> offset = objectTemplate->NewInstance();
149     JSRef<JSObject> globalOffset = objectTemplate->NewInstance();
150     const auto& localOffset = info.GetTarget().area.GetOffset();
151     const auto& origin = info.GetTarget().origin;
152     offset->SetProperty<double>("x", localOffset.GetX().ConvertToVp());
153     offset->SetProperty<double>("y", localOffset.GetY().ConvertToVp());
154     globalOffset->SetProperty<double>("x", (origin.GetX().ConvertToVp() + localOffset.GetX().ConvertToVp()));
155     globalOffset->SetProperty<double>("y", (origin.GetY().ConvertToVp() + localOffset.GetY().ConvertToVp()));
156     area->SetPropertyObject("position", offset);
157     area->SetPropertyObject("globalPosition", globalOffset);
158     area->SetProperty<double>("width", info.GetTarget().area.GetWidth().ConvertToVp());
159     area->SetProperty<double>("height", info.GetTarget().area.GetHeight().ConvertToVp());
160     target->SetPropertyObject("area", area);
161     return target;
162 }
163 
164 } // namespace OHOS::Ace::Framework
165