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 #ifndef FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JS_VIEW_JS_XCOMPONENT_H 17 #define FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JS_VIEW_JS_XCOMPONENT_H 18 19 #include "core/components/xcomponent/xcomponent_component.h" 20 #include "frameworks/bridge/declarative_frontend/engine/functions/js_function.h" 21 #include "frameworks/bridge/declarative_frontend/jsview/js_container_base.h" 22 #include "frameworks/bridge/declarative_frontend/engine/js_ref_ptr.h" 23 #include "frameworks/bridge/declarative_frontend/jsview/js_utils.h" 24 #include "frameworks/bridge/declarative_frontend/jsview/js_xcomponent_controller.h" 25 26 namespace OHOS::Ace::Framework { 27 class XComponentClient { 28 public: 29 using GetCallback = std::function<bool(RefPtr<XComponentComponent> &component)>; 30 using GetJSValCallback = std::function<bool(JSRef<JSVal> ¶m)>; 31 XComponentClient &operator = (const XComponentClient &) = delete; 32 XComponentClient(const XComponentClient &) = delete; 33 ~XComponentClient() = default; 34 GetInstance()35 static XComponentClient& GetInstance() 36 { 37 static XComponentClient instance; 38 return instance; 39 } 40 RegisterCallback(GetCallback && callback)41 void RegisterCallback(GetCallback &&callback) 42 { 43 getCallback_ = callback; 44 } 45 RegisterJSValCallback(GetJSValCallback && callback)46 void RegisterJSValCallback(GetJSValCallback &&callback) 47 { 48 getJSValCallback_ = callback; 49 } 50 SetRegisterCallbackToNull()51 void SetRegisterCallbackToNull() 52 { 53 getCallback_ = nullptr; 54 } 55 GetXComponent(RefPtr<XComponentComponent> & component)56 bool GetXComponent(RefPtr<XComponentComponent> &component) 57 { 58 if (getCallback_) { 59 return getCallback_(component); 60 } else { 61 return false; 62 } 63 } 64 SetJSValCallToNull()65 void SetJSValCallToNull() 66 { 67 getJSValCallback_ = nullptr; 68 } 69 GetJSVal(JSRef<JSVal> & param)70 bool GetJSVal(JSRef<JSVal> ¶m) 71 { 72 if (getJSValCallback_) { 73 return getJSValCallback_(param); 74 } else { 75 return false; 76 } 77 } 78 79 private: 80 XComponentClient() = default; 81 GetCallback getCallback_ = nullptr; 82 GetJSValCallback getJSValCallback_ = nullptr; 83 }; 84 85 class ACE_EXPORT JSXComponent : public JSContainerBase { 86 public: 87 static void JSBind(BindingTarget globalObj); 88 static void Create(const JSCallbackInfo& info); 89 static void JsOnLoad(const JSCallbackInfo& args); 90 static void JsOnDestroy(const JSCallbackInfo& args); 91 92 private: 93 static EventMarker GetEventMarker(const JSCallbackInfo& info, const std::vector<std::string>& keys); 94 static RefPtr<JSXComponentController> jsXComponentController_; 95 }; 96 } 97 #endif // FRAMEWORKS_BRIDGE_DECLARATIVE_FRONTEND_JS_VIEW_JS_XCOMPONENT_H