ee2d6658cb
Add DataItemObserver interface in SystemStatus so that clients can subscribe dataitem events from SystemStatus. Also moving DateItem and its observer, subscription classes into HAL Simplify DataItem class implementation. Change-Id: I7b2c3fc9dcf67dd6132bbcccda874e3f7ed6fa94 CRs-Fixed: 2041019 2072896
103 lines
3.5 KiB
C++
103 lines
3.5 KiB
C++
/* Copyright (c) 2017, The Linux Foundation. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of The Linux Foundation, nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
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* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
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* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef __IOSOBSERVER_H__
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#define __IOSOBSERVER_H__
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#include <list>
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#include <string>
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#include <IDataItemObserver.h>
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#include <IDataItemSubscription.h>
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#include <IFrameworkActionReq.h>
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using namespace std;
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namespace loc_core
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{
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/**
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* @brief IOsObserver interface
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* @details IOsObserver interface;
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* In OS dependent code this type serves as a handle to
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* an OS independent instance of this interface.
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*/
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class IOsObserver :
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public IDataItemObserver,
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public IDataItemSubscription,
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public IFrameworkActionReq {
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public:
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// To set the subscription object
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virtual void setSubscriptionObj(IDataItemSubscription *subscriptionObj) = 0;
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// To set the framework action request object
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virtual void setFrameworkActionReqObj(IFrameworkActionReq *frameworkActionReqObj) = 0;
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// IDataItemObserver Overrides
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inline virtual void getName (string & /*name*/) {}
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inline virtual void notify (const std::list <IDataItemCore *> & /*dlist*/) {}
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// IDataItemSubscription Overrides
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inline virtual void subscribe
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(
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const std :: list <DataItemId> & /*l*/,
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IDataItemObserver * /*client*/
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){}
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inline virtual void updateSubscription
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(
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const std :: list <DataItemId> & /*l*/,
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IDataItemObserver * /*client*/
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){}
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inline virtual void requestData
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(
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const std :: list <DataItemId> & /*l*/,
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IDataItemObserver * /*client*/
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){}
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inline virtual void unsubscribe
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(
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const std :: list <DataItemId> & /*l*/,
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IDataItemObserver * /*client*/
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){}
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inline virtual void unsubscribeAll (IDataItemObserver * /*client*/){}
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// IFrameworkActionReq Overrides
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inline virtual void turnOn (DataItemId /*dit*/, int /*timeOut*/){}
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inline virtual void turnOff (DataItemId /*dit*/) {}
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/**
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* @brief Destructor
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* @details Destructor
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*/
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virtual ~IOsObserver () {}
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};
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} // namespace loc_core
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#endif // #ifndef __IOSOBSERVER_H__
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