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_OS_AAFWK_WINDOW_FOCUS_CONTROLLER_H 17 #define OHOS_OS_AAFWK_WINDOW_FOCUS_CONTROLLER_H 18 19 #include <shared_mutex> 20 21 #include "element_name.h" 22 #include "foundation/windowmanager/interfaces/innerkits/wm/window_manager.h" 23 24 namespace OHOS { 25 namespace AAFwk { 26 using OHOS::Rosen::FocusChangeInfo; 27 using OHOS::Rosen::IFocusChangedListener; 28 using OHOS::Rosen::WindowManager; 29 30 class WindowFocusController { 31 public: 32 WindowFocusController() = default; 33 virtual ~WindowFocusController() = default; 34 static std::shared_ptr<WindowFocusController> GetInstance(); 35 36 void SubscribeWindowFocus(); 37 void UnsubscribeWindowFocus(); 38 void GetTopAbility(AppExecFwk::ElementName &elementName); 39 40 class FocusChangedListener : public Rosen::IFocusChangedListener { 41 public: 42 void OnFocused(const sptr<Rosen::FocusChangeInfo> &focusChangeInfo) override; 43 void OnUnfocused(const sptr<Rosen::FocusChangeInfo> &focusChangeInfo) override; 44 }; 45 46 private: 47 static std::mutex mutex_; 48 static std::shared_ptr<WindowFocusController> instance_; 49 sptr<FocusChangeInfo> focusChangeInfo_ = nullptr; 50 sptr<IFocusChangedListener> focusChangedListener_; 51 }; 52 } // namespace AAFwk 53 } // namespace OHOS 54 #endif // OHOS_OS_AAFWK_WINDOW_FOCUS_CONTROLLER_H 55