1 /* Copyright (c) 2017, The Linux Foundation. All rights reserved. 2 * 3 * Redistribution and use in source and binary forms, with or without 4 * modification, are permitted provided that the following conditions are 5 * met: 6 * * Redistributions of source code must retain the above copyright 7 * notice, this list of conditions and the following disclaimer. 8 * * Redistributions in binary form must reproduce the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer in the documentation and/or other materials provided 11 * with the distribution. 12 * * Neither the name of The Linux Foundation, nor the names of its 13 * contributors may be used to endorse or promote products derived 14 * from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 */ 29 30 #ifndef __IOSOBSERVER_H__ 31 #define __IOSOBSERVER_H__ 32 33 #include <list> 34 #include <string> 35 #include <IDataItemObserver.h> 36 #include <IDataItemSubscription.h> 37 #include <IFrameworkActionReq.h> 38 39 using namespace std; 40 41 namespace loc_core 42 { 43 44 /** 45 * @brief IOsObserver interface 46 * @details IOsObserver interface; 47 * In OS dependent code this type serves as a handle to 48 * an OS independent instance of this interface. 49 */ 50 class IOsObserver : 51 public IDataItemObserver, 52 public IDataItemSubscription, 53 public IFrameworkActionReq { 54 55 public: 56 57 // To set the subscription object 58 virtual void setSubscriptionObj(IDataItemSubscription *subscriptionObj) = 0; 59 60 // To set the framework action request object 61 virtual void setFrameworkActionReqObj(IFrameworkActionReq *frameworkActionReqObj) = 0; 62 63 // IDataItemObserver Overrides 64 inline virtual void getName (string & /*name*/) {} 65 inline virtual void notify (const std::list <IDataItemCore *> & /*dlist*/) {} 66 67 // IDataItemSubscription Overrides 68 inline virtual void subscribe 69 ( 70 const std :: list <DataItemId> & /*l*/, 71 IDataItemObserver * /*client*/ 72 ){} 73 inline virtual void updateSubscription 74 ( 75 const std :: list <DataItemId> & /*l*/, 76 IDataItemObserver * /*client*/ 77 ){} 78 inline virtual void requestData 79 ( 80 const std :: list <DataItemId> & /*l*/, 81 IDataItemObserver * /*client*/ 82 ){} 83 inline virtual void unsubscribe 84 ( 85 const std :: list <DataItemId> & /*l*/, 86 IDataItemObserver * /*client*/ 87 ){} 88 inline virtual void unsubscribeAll (IDataItemObserver * /*client*/){} 89 90 // IFrameworkActionReq Overrides 91 inline virtual void turnOn (DataItemId /*dit*/, int /*timeOut*/){} 92 inline virtual void turnOff (DataItemId /*dit*/) {} 93 94 /** 95 * @brief Destructor 96 * @details Destructor 97 */ 98 virtual ~IOsObserver () {} 99 }; 100 101 } // namespace loc_core 102 103 #endif // #ifndef __IOSOBSERVER_H__ 104
