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 SERVICES_INCLUDE_SCLOCK_MANAGER_H 17 #define SERVICES_INCLUDE_SCLOCK_MANAGER_H 18 19 #include <mutex> 20 #include <string> 21 22 #include "iremote_object.h" 23 #include "refbase.h" 24 #include "screenlock_callback_interface.h" 25 #include "screenlock_common.h" 26 #include "screenlock_manager_interface.h" 27 #include "visibility.h" 28 29 namespace OHOS { 30 namespace ScreenLock { 31 class ScreenLockSaDeathRecipient : public IRemoteObject::DeathRecipient { 32 public: 33 explicit ScreenLockSaDeathRecipient(); 34 ~ScreenLockSaDeathRecipient() override; 35 void OnRemoteDied(const wptr<IRemoteObject> &object) override; 36 }; 37 38 class ScreenLockManager : public RefBase { 39 public: 40 SCREENLOCK_API ScreenLockManager(); 41 SCREENLOCK_API ~ScreenLockManager() override; 42 SCREENLOCK_API static sptr<ScreenLockManager> GetInstance(); 43 SCREENLOCK_API int32_t IsLocked(bool &isLocked); 44 45 /** 46 * @brief Checks whether the screen is currently locked. 47 * 48 * This function is used to Check whether the screen is currently locked. 49 * 50 * @return Returns true if the screen is currently locked; returns false otherwise. 51 * @since 7 52 */ 53 SCREENLOCK_API bool IsScreenLocked(); 54 55 SCREENLOCK_API bool GetSecure(); 56 SCREENLOCK_API int32_t Unlock(Action action, const sptr<ScreenLockCallbackInterface> &listener); 57 SCREENLOCK_API int32_t Lock(const sptr<ScreenLockCallbackInterface> &listener); 58 void OnRemoteSaDied(const wptr<IRemoteObject> &object); 59 SCREENLOCK_API sptr<ScreenLockManagerInterface> GetProxy(); 60 61 private: 62 static sptr<ScreenLockManagerInterface> GetScreenLockManagerProxy(); 63 static std::mutex instanceLock_; 64 static sptr<ScreenLockManager> instance_; 65 static sptr<ScreenLockSaDeathRecipient> deathRecipient_; 66 std::mutex managerProxyLock_; 67 sptr<ScreenLockManagerInterface> screenlockManagerProxy_; 68 }; 69 } // namespace ScreenLock 70 } // namespace OHOS 71 #endif // SERVICES_INCLUDE_SCLOCK_SERVICES_MANAGER_H