javauis/m2g_akn/src/M2GGeneral.cpp
branchRCL_3
changeset 19 04becd199f91
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16:f5050f1da672 19:04becd199f91
       
     1 /*
       
     2 * Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  General methods
       
    15 *
       
    16 */
       
    17 
       
    18 // INCLUDE FILES
       
    19 #include <s32strm.h> // RWriteStream
       
    20 
       
    21 
       
    22 #ifdef M2G_INFO_POPUP
       
    23 #include <eikenv.h> // CEikonEnv::InfoWinL
       
    24 #endif
       
    25 
       
    26 #include <jni.h>
       
    27 
       
    28 #include <SvgJavaInterfaceImpl.h>
       
    29 #include "M2GGeneral.h"
       
    30 
       
    31 
       
    32 M2G_NS_START
       
    33 
       
    34 // EXTERNAL DATA STRUCTURES
       
    35 
       
    36 // EXTERNAL FUNCTION PROTOTYPES
       
    37 
       
    38 // CONSTANTS
       
    39 
       
    40 // MACROS
       
    41 
       
    42 // LOCAL CONSTANTS AND MACROS
       
    43 
       
    44 // MODULE DATA STRUCTURES
       
    45 
       
    46 // LOCAL FUNCTION PROTOTYPES
       
    47 
       
    48 // FORWARD DECLARATIONS
       
    49 
       
    50 // -----------------------------------------------------------------------------
       
    51 // M2GGeneral::RaiseException
       
    52 // -----------------------------------------------------------------------------
       
    53 void M2GGeneral::RaiseException(
       
    54     JNIEnv* aEnv, const TDesC8& aName, const TUint8* aMsg)
       
    55 {
       
    56     M2G_DEBUG_0("#### M2G_DEBUG: M2GGeneral::RaiseException() ####");
       
    57 
       
    58     if (aEnv)
       
    59     {
       
    60         jclass clazz = aEnv->FindClass(
       
    61                            REINTERPRET_CAST(const char*, aName.Ptr()));
       
    62 
       
    63         if (!clazz)
       
    64         {
       
    65             // if exception class not found, then use java.lang.Exception
       
    66             clazz = aEnv->FindClass(
       
    67                         REINTERPRET_CAST(const char*, KJavaExceptionClass().Ptr()));
       
    68         }
       
    69 
       
    70         aEnv->ThrowNew(clazz, REINTERPRET_CAST(const char*, aMsg));
       
    71     }
       
    72 }
       
    73 
       
    74 // -----------------------------------------------------------------------------
       
    75 // M2GGeneral::CheckErrorCode
       
    76 // -----------------------------------------------------------------------------
       
    77 TInt M2GGeneral::CheckErrorCode(JNIEnv* aEnv, TInt aErrorCode)
       
    78 {
       
    79     M2G_DEBUG_1("M2G_DEBUG: M2GGeneral::CheckErrorCode: %d - begin", aErrorCode);
       
    80     TInt code = aErrorCode;
       
    81     const TUint8* msg = (STATIC_CAST(const TDesC8&, KM2GEmptyString8)).Ptr();
       
    82     jcfcommon::auto_ptr<MJavaError> error;
       
    83 
       
    84     // Check if an error object
       
    85     if (aErrorCode > 0)
       
    86     {
       
    87         M2G_DEBUG_0("M2G_DEBUG: M2GGeneral::CheckErrorCode(), is MJavaError");
       
    88 
       
    89         // Error object need to be deleted here and the auto_ptr takes care of that!!
       
    90         error.reset(JavaUnhand< MJavaError >(aErrorCode));
       
    91 
       
    92         // Get an error description through the MJavaError object
       
    93         msg = error->Description().Ptr();
       
    94 
       
    95         switch (error->ErrorCode())
       
    96         {
       
    97         case KM2GIOException:
       
    98         {
       
    99             code = error->ErrorCode();
       
   100         }
       
   101         default:
       
   102         {
       
   103             code = error->ErrorCode();
       
   104         }
       
   105         }
       
   106         M2G_DEBUG_1("M2G_DEBUG: M2GGeneral::CheckErrorCode(), MJavaError: error code=%d", code);
       
   107     }
       
   108 
       
   109     switch (code)
       
   110     {
       
   111     case KM2GMemoryNotOk:
       
   112     {
       
   113         M2G_DEBUG_0("#### M2G_DEBUG: M2GGeneral::CheckErrorCode() - OutOfMemoryError ####");
       
   114         M2GGeneral::RaiseException(aEnv, KJavaOutOfMemoryErrorClass, msg);
       
   115         return code;
       
   116     }
       
   117     case KM2GIOException:
       
   118     {
       
   119         M2G_DEBUG_0("#### M2G_DEBUG: M2GGeneral::CheckErrorCode() - IOException ####");
       
   120         M2GGeneral::RaiseException(aEnv, KJavaIOExceptionClass, msg);
       
   121         return code;
       
   122     }
       
   123     case KM2GHandleNotOk:
       
   124     {
       
   125         M2G_DEBUG_0("#### M2G_DEBUG: M2GGeneral::CheckErrorCode() - NullPointerException ####");
       
   126         M2GGeneral::RaiseException(aEnv, KJavaNullPointerException, msg);
       
   127         return code;
       
   128     }
       
   129     default:
       
   130     {
       
   131         M2G_DEBUG_1("M2G_DEBUG: M2GGeneral::CheckErrorCode() error code=%d - end", code);
       
   132         return code;
       
   133     }
       
   134     }
       
   135 }
       
   136 
       
   137 // -----------------------------------------------------------------------------
       
   138 // M2GGeneral::CheckHandle
       
   139 // -----------------------------------------------------------------------------
       
   140 TInt M2GGeneral::CheckHandle(JNIEnv* aEnv, TInt aHandle)
       
   141 {
       
   142     if (aHandle == M2G_INVALID_HANDLE)
       
   143     {
       
   144         M2GGeneral::RaiseException(aEnv, KJavaNullPointerException);
       
   145     }
       
   146     if (aHandle < 0)
       
   147     {
       
   148         M2GGeneral::CheckErrorCode(aEnv, aHandle);
       
   149     }
       
   150     return aHandle;
       
   151 }
       
   152 
       
   153 // -----------------------------------------------------------------------------
       
   154 // M2GGeneral::CheckErrorCodeAndHandle
       
   155 // -----------------------------------------------------------------------------
       
   156 TInt M2GGeneral::CheckErrorCodeAndHandle(
       
   157     JNIEnv* aEnv, TInt aErrorCode, TInt aHandle, TInt aErrorResult)
       
   158 {
       
   159     if ((aErrorCode == KM2GOk) && (aHandle != M2G_INVALID_HANDLE))
       
   160     {
       
   161         return aHandle;
       
   162     }
       
   163     if (aErrorCode != KM2GOk)
       
   164     {
       
   165         M2GGeneral::CheckErrorCode(aEnv, aErrorCode);
       
   166     }
       
   167     else if (aHandle == M2G_INVALID_HANDLE)
       
   168     {
       
   169         M2GGeneral::RaiseException(aEnv, KJavaOutOfMemoryErrorClass);
       
   170     }
       
   171     return aErrorResult;
       
   172 }
       
   173 
       
   174 // -----------------------------------------------------------------------------
       
   175 // M2GGeneral::PopupInfo
       
   176 // -----------------------------------------------------------------------------
       
   177 #ifdef M2G_INFO_POPUP
       
   178 void M2GGeneral::PopupInfo(
       
   179     const TDesC& aLine1,
       
   180     const TDesC& aLine2)
       
   181 {
       
   182     TInt err = KM2GOk;
       
   183     TRAP(err, CEikonEnv::InfoWinL(aLine1, aLine2));
       
   184     if (err == KM2GOk)
       
   185     {
       
   186         // DUMMY
       
   187     }
       
   188 }
       
   189 #endif // M2G_INFO_POPUP
       
   190 
       
   191 
       
   192 #ifdef M2G_STATISTIC_DEBUG
       
   193 // -----------------------------------------------------------------------------
       
   194 // M2GGeneral::TM2GStatistic::TM2GStatistic
       
   195 // -----------------------------------------------------------------------------
       
   196 M2GGeneral::TM2GStatistic::TM2GStatistic()
       
   197 {
       
   198     Reset();
       
   199 }
       
   200 
       
   201 // -----------------------------------------------------------------------------
       
   202 // M2GGeneral::TM2GStatistic::Reset()
       
   203 // -----------------------------------------------------------------------------
       
   204 void M2GGeneral::TM2GStatistic::Reset()
       
   205 {
       
   206     // Time
       
   207     iStartTime.UniversalTime();
       
   208     iEndTime.UniversalTime();
       
   209     // Thread
       
   210     iId = RThread().Id();
       
   211     RThread thread;
       
   212     if (thread.Open(iId) == KM2GOk)
       
   213     {
       
   214         iThreadName = thread.Name();
       
   215         thread.Close();
       
   216     }
       
   217 }
       
   218 
       
   219 // -----------------------------------------------------------------------------
       
   220 // M2GGeneral::TM2GStatistic::Print()
       
   221 // -----------------------------------------------------------------------------
       
   222 void M2GGeneral::TM2GStatistic::Print(TBool aPrintElapsedTime)
       
   223 {
       
   224     TInt totalRom = 0;
       
   225     TInt totalRam = 0;
       
   226     TInt freeRam = 0;
       
   227     HAL::Get(HALData::EMemoryROM, totalRom);
       
   228     HAL::Get(HALData::EMemoryRAM, totalRam);
       
   229     HAL::Get(HALData::EMemoryRAMFree, freeRam);
       
   230 
       
   231     // Update time
       
   232     iEndTime.UniversalTime();
       
   233 
       
   234     M2G_DEBUG_0("====================================================");
       
   235     // Write memory info
       
   236     if (aPrintElapsedTime)
       
   237     {
       
   238         M2G_DEBUG_5(
       
   239             "Rom size:%d, ram size:%d, ram free:%d, ram used:%d, elapsed time:%d",
       
   240             totalRom >> 10,
       
   241             totalRam >> 10,
       
   242             freeRam >> 10,
       
   243             (totalRam - freeRam) >> 10,
       
   244             iEndTime.MicroSecondsFrom(iStartTime).Int64());
       
   245     }
       
   246     else
       
   247     {
       
   248         M2G_DEBUG_4(
       
   249             "Rom size:%d, ram size:%d, ram free:%d, ram used:%d",
       
   250             totalRom >> 10,
       
   251             totalRam >> 10,
       
   252             freeRam >> 10,
       
   253             (totalRam - freeRam) >> 10);
       
   254     }
       
   255     // Write thread info
       
   256     RThread thread;
       
   257     if (thread.Open(iId) == KM2GOk)
       
   258     {
       
   259         TThreadStackInfo stackInfo;
       
   260         thread.StackInfo(stackInfo);
       
   261         thread.Close();
       
   262         TUint id = iId;
       
   263         M2G_DEBUG_2("Thread id:%d, size:%d", id, (stackInfo.iBase - stackInfo.iLimit) >> 10);
       
   264     }
       
   265     M2G_DEBUG_0("====================================================");
       
   266 }
       
   267 
       
   268 // -----------------------------------------------------------------------------
       
   269 // M2GGeneral::TM2GStatistic::Print()
       
   270 // -----------------------------------------------------------------------------
       
   271 void M2GGeneral::TM2GStatistic::Print(RWriteStream& /*aStream*/)
       
   272 {
       
   273 }
       
   274 
       
   275 // -----------------------------------------------------------------------------
       
   276 // M2GGeneral::TM2GStatistic::Log()
       
   277 // -----------------------------------------------------------------------------
       
   278 void M2GGeneral::TM2GStatistic::Log()
       
   279 {
       
   280     M2G_DEBUG_0("M2GGeneral::TM2GStatistic::Log()");
       
   281     M2GGeneral::TM2GStatistic statistic;
       
   282     statistic.Print();
       
   283 }
       
   284 
       
   285 #endif // M2G_STATISTIC_DEBUG
       
   286 
       
   287 M2G_NS_END