1 /* 2 * Copyright (c) 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 OHOS_ABILITY_RUNTIME_JS_EXTENSION_COMMON_H 17 #define OHOS_ABILITY_RUNTIME_JS_EXTENSION_COMMON_H 18 19 #include "configuration.h" 20 #include "service_extension.h" 21 22 class NativeReference; 23 class NativeValue; 24 class NativeObject; 25 26 namespace OHOS { 27 namespace AbilityRuntime { 28 class ServiceExtension; 29 class JsRuntime; 30 /** 31 * @brief Basic js extension common components. 32 */ 33 class JsExtensionCommon : public ExtensionCommon, 34 public std::enable_shared_from_this<JsExtensionCommon> { 35 public: 36 JsExtensionCommon(JsRuntime &jsRuntime, NativeReference &jsObj, 37 const std::shared_ptr<NativeReference> &shellContextRef); 38 39 virtual ~JsExtensionCommon() override; 40 41 /** 42 * @brief Create JsServiceExtension. 43 * 44 * @param jsRuntime The runtime. 45 * @param jsObj The js object instance. 46 * @return The JsServiceExtension instance. 47 */ 48 static std::shared_ptr<JsExtensionCommon> Create(JsRuntime &jsRuntime, NativeReference &jsObj, 49 const std::shared_ptr<NativeReference> &shellContextRef); 50 51 /** 52 * @brief Called when the system configuration is updated. 53 * 54 * @param configuration Indicates the updated configuration information. 55 */ 56 void OnConfigurationUpdated(const std::shared_ptr<AppExecFwk::Configuration> &fullConfig) override; 57 58 /** 59 * @brief Notify current memory level. 60 * 61 * @param level Current memory level. 62 */ 63 virtual void OnMemoryLevel(int level) override; 64 65 private: 66 NativeValue* CallObjectMethod(const char* name, NativeValue* const * argv, size_t argc); 67 68 private: 69 JsRuntime& jsRuntime_; 70 NativeReference& jsObj_; 71 std::shared_ptr<NativeReference> shellContextRef_ = nullptr; 72 }; 73 } // namespace AbilityRuntime 74 } // namespace OHOS 75 #endif // OHOS_ABILITY_RUNTIME_JS_EXTENSION_COMMON_H 76