plugins/common/varianttype.cpp

   1 /*
   2 Copyright (C) 2012 Intel Corporation
   3
   4 This library is free software; you can redistribute it and/or
   5 modify it under the terms of the GNU Lesser General Public
   6 License as published by the Free Software Foundation; either
   7 version 2.1 of the License, or (at your option) any later version.
   8
   9 This library is distributed in the hope that it will be useful,
  10 but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12 Lesser General Public License for more details.
  13
  14 You should have received a copy of the GNU Lesser General Public
  15 License along with this library; if not, write to the Free Software
  16 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  17 */
  18
  19
  20 #include "varianttype.h"
  21 #include "abstractdbusinterface.h"
  22 #include <listplusplus.h>
  23
  24 VariantType::VariantType(AbstractRoutingEngine* re, VehicleProperty::Property ambPropertyName, std::string propertyName,  Access access)
  25         :mPropertyName(propertyName), mAccess(access), mValue(nullptr), mZoneFilter(Zone::None), mUpdateFrequency(0), mInitialized(false)
  26 {
  27         mAmbPropertyName = ambPropertyName;
  28         routingEngine = re;
  29         //set default value:
  30         setValue(VehicleProperty::getPropertyTypeForPropertyNameValue(mAmbPropertyName));
  31 }
  32
  33 void VariantType::initialize()
  34 {
  35         if(mInitialized) return;
  36         AsyncPropertyRequest request;
  37         request.property = mAmbPropertyName;
  38         request.sourceUuidFilter = mSourceFilter;
  39         request.zoneFilter = mZoneFilter;
  40
  41         using namespace std::placeholders;
  42         request.completed = [this](AsyncPropertyReply* r)
  43         {
  44                 auto reply = amb::make_unique(r);
  45                 if(reply->success)
  46                         setValue(reply->value->copy());
  47                 else
  48                         DebugOut(DebugOut::Error)<<"get request unsuccessful for "<<reply->property<<" : "<<reply->error<<endl;
  49
  50                 mInitialized = true;
  51         };
  52
  53         /// do not request if not supported:
  54         PropertyList proplist = routingEngine->supported();
  55
  56         if(contains(proplist, mAmbPropertyName))
  57                 routingEngine->getPropertyAsync(request);
  58 }
  59
  60 VariantType::~VariantType()
  61 {
  62         if(mValue){
  63                 delete mValue;
  64                 mValue = nullptr;
  65         }
  66 }
  67
  68 GVariant *VariantType::toVariant()
  69 {
  70         if(!value())
  71         {
  72                 setValue(VehicleProperty::getPropertyTypeForPropertyNameValue(name()));
  73         }
  74
  75         auto v = value();
  76
  77         return v->toVariant();
  78 }
  79
  80 void VariantType::fromVariant(GVariant *val)
  81 {
  82         AbstractPropertyType *v = VehicleProperty::getPropertyTypeForPropertyNameValue(name());
  83         v->fromVariant(val);
  84
  85         AsyncSetPropertyRequest request;
  86         request.property = name();
  87         request.value = v;
  88         request.zoneFilter = zoneFilter();
  89         request.completed = [&](AsyncPropertyReply* r)
  90         {
  91                 auto reply = amb::make_unique(r);
  92                 /// TODO: throw dbus exception
  93                 if(!reply->success)
  94                 {
  95                         DebugOut(DebugOut::Error)<<"SetProperty fail: "<<reply->error<<endl;
  96                 }
  97         };
  98
  99         routingEngine->setProperty(request);
 100 }