00001 /* 00002 Copyright (c) 2002-2011 Nokia Corporation and/or its subsidiary(-ies). All rights reserved. 00003 00004 Redistribution and use in source and binary forms, with or without 00005 modification, are permitted provided that the following conditions are met: 00006 00007 * Redistributions of source code must retain the above copyright notice, this 00008 list of conditions and the following disclaimer. 00009 * Redistributions in binary form must reproduce the above copyright notice, 00010 this list of conditions and the following disclaimer in the documentation 00011 and/or other materials provided with the distribution. 00012 * Neither the name of Nokia Corporation nor the names of its contributors 00013 may be used to endorse or promote products derived from this software 00014 without specific prior written permission. 00015 00016 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00017 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00018 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00019 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00020 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00021 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00022 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00023 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00024 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00025 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00026 00027 Description: 00028 */ 00029 00030 #ifndef __WEATHERINFO_H 00031 #define __WEATHERINFO_H 00032 00033 #include <e32base.h> 00034 #include <in_sock.h> 00035 00036 class MWeatherObserver 00037 { 00038 public: 00039 virtual void TemperatureReport(TDesC& aCity, TDesC& aTemperature)=0; 00040 virtual void TemperatureError(TDesC& aErrStr,TInt aErrCode)=0; 00041 }; 00042 00043 class CWeatherInfo : public CActive 00044 { 00045 public: 00046 static CWeatherInfo* NewL(MWeatherObserver& aObserver); 00047 ~CWeatherInfo(); 00048 void GetTemperature(const TDesC& aCity); 00049 protected: 00050 // From CActive 00051 void RunL(); 00052 void DoCancel(); 00053 private: 00054 CWeatherInfo(MWeatherObserver& aObserver); 00055 void Cleanup(TInt aError); 00056 enum TLoadStates 00057 { 00058 EInitializing, 00059 EResolvingName, 00060 EConnecting, 00061 ESending, 00062 EReceiving 00063 }; 00064 private: 00065 TInt iCommState; 00066 RSocketServ iSocketSrv; 00067 RSocket iSocket; 00068 RConnection iConnection; 00069 TNameEntry iNameEntry; 00070 RHostResolver iResolver; 00071 TBuf8<20000> iNetBuff; 00072 TSockXfrLength iLen; 00073 TBuf<16> iCityCode; 00074 MWeatherObserver& iObserver; 00075 }; 00076 00077 #endif 00078