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_JS_DISPLAY_LISTENER_H 17 #define OHOS_JS_DISPLAY_LISTENER_H 18 19 #include <mutex> 20 #include "native_engine/native_engine.h" 21 #include "native_engine/native_value.h" 22 #include "refbase.h" 23 #include "display_manager.h" 24 25 namespace OHOS { 26 namespace Rosen { 27 class JsDisplayListener : public DisplayManager::IDisplayListener { 28 public: JsDisplayListener(NativeEngine * engine)29 explicit JsDisplayListener(NativeEngine* engine) : engine_(engine) {} 30 ~JsDisplayListener() override = default; 31 void AddCallback(NativeValue* jsListenerObject); 32 void RemoveAllCallback(); 33 void RemoveCallback(NativeValue* jsListenerObject); 34 void OnCreate(DisplayId id) override; 35 void OnDestroy(DisplayId id) override; 36 void OnChange(DisplayId id) override; 37 38 private: 39 void CallJsMethod(const char* methodName, NativeValue* const* argv = nullptr, size_t argc = 0); 40 NativeEngine* engine_ = nullptr; 41 std::mutex mtx_; 42 std::vector<std::unique_ptr<NativeReference>> jsCallBack_; 43 NativeValue* CreateDisplayIdArray(NativeEngine& engine, const std::vector<DisplayId>& data); 44 }; 45 } // namespace Rosen 46 } // namespace OHOS 47 #endif /* OHOS_JS_DISPLAY_LISTENER_H */