IMPSengine/imlauncher/src/imlauncher.cpp
changeset 0 094583676ce7
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     1 /*
       
     2 * Copyright (c) 2004 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: Client application plugin loader.
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include    <imlauncherplugin.h>
       
    22 #include    "imlauncher.h"
       
    23 #include    "logutils.h"
       
    24 
       
    25 
       
    26 // Default start wait time in sec
       
    27 static const TInt KDefaultTimeOut = 60;
       
    28 
       
    29 // ============================ MEMBER FUNCTIONS ===============================
       
    30 
       
    31 // -----------------------------------------------------------------------------
       
    32 // CImLauncher::CImLauncher
       
    33 // C++ default constructor can NOT contain any code, that
       
    34 // might leave.
       
    35 // -----------------------------------------------------------------------------
       
    36 //
       
    37 CImLauncher::CImLauncher()
       
    38         :   CActive( EPriorityStandard ),
       
    39         iPlugin( NULL ),
       
    40         iReturnValue( KErrNone )
       
    41     {
       
    42     CActiveScheduler::Add( this );
       
    43     }
       
    44 
       
    45 // -----------------------------------------------------------------------------
       
    46 // CImLauncher::ConstructL
       
    47 // Symbian 2nd phase constructor can leave.
       
    48 // -----------------------------------------------------------------------------
       
    49 //
       
    50 void CImLauncher::ConstructL()
       
    51     {
       
    52     iTimer = CImShutDownTimer::NewL( this, EPriorityStandard );
       
    53     }
       
    54 
       
    55 // -----------------------------------------------------------------------------
       
    56 // CImLauncher::NewL
       
    57 // Two-phased constructor.
       
    58 // -----------------------------------------------------------------------------
       
    59 //
       
    60 CImLauncher* CImLauncher::NewL()
       
    61     {
       
    62     CImLauncher* self = new( ELeave ) CImLauncher;
       
    63 
       
    64     CleanupStack::PushL( self );
       
    65     self->ConstructL();
       
    66     CleanupStack::Pop();
       
    67 
       
    68     return self;
       
    69     }
       
    70 
       
    71 
       
    72 // Destructor
       
    73 CImLauncher::~CImLauncher()
       
    74     {
       
    75     Cancel();
       
    76     delete iTimer;
       
    77     if ( iPlugin ) // extra security check
       
    78         {
       
    79         delete iPlugin;
       
    80         }
       
    81     }
       
    82 
       
    83 
       
    84 // -----------------------------------------------------------------------------
       
    85 // CImLauncher::Panic
       
    86 // Panics the thread
       
    87 // -----------------------------------------------------------------------------
       
    88 //
       
    89 void CImLauncher::Panic( TLauncherPanic aPanicCode )
       
    90     {
       
    91     User::Panic( KLauncherPanic, aPanicCode );
       
    92     }
       
    93 
       
    94 // -----------------------------------------------------------------------------
       
    95 // CImLauncher::RunL
       
    96 // -----------------------------------------------------------------------------
       
    97 //
       
    98 void CImLauncher::RunL()
       
    99     {
       
   100 #ifdef _DEBUG
       
   101     CImApiLogger::Log( _L( "Application start status: %d" ), iStatus.Int() );
       
   102 #endif
       
   103     iReturnValue = iStatus.Int();
       
   104     // We're finished
       
   105     iTimer->Cancel();
       
   106     CActiveScheduler::Stop();
       
   107     }
       
   108 
       
   109 // -----------------------------------------------------------------------------
       
   110 // CImLauncher::DoCancel
       
   111 // -----------------------------------------------------------------------------
       
   112 //
       
   113 void CImLauncher::DoCancel()
       
   114     {
       
   115     if ( iPlugin ) // extra security check
       
   116         {
       
   117         iPlugin->CancelStartApplication();
       
   118         }
       
   119     iTimer->Cancel();
       
   120     }
       
   121 
       
   122 // -----------------------------------------------------------------------------
       
   123 // CImLauncher::DoShutDown
       
   124 // -----------------------------------------------------------------------------
       
   125 //
       
   126 void CImLauncher::TimedOut()
       
   127     {
       
   128 #ifdef _DEBUG
       
   129     CImApiLogger::Log( _L( "Application starting timed out" ) );
       
   130 #endif
       
   131     Cancel();
       
   132     iReturnValue = KErrTimedOut;
       
   133 
       
   134     CActiveScheduler::Stop();
       
   135     }
       
   136 
       
   137 // -----------------------------------------------------------------------------
       
   138 // CImLauncher::RunError
       
   139 // Handles the RunL leave errors
       
   140 // -----------------------------------------------------------------------------
       
   141 //
       
   142 TInt CImLauncher::RunError( TInt /*aError*/ )
       
   143     {
       
   144     return KErrNone;
       
   145     }
       
   146 
       
   147 // -----------------------------------------------------------------------------
       
   148 // CImLauncher::StartL()
       
   149 // Loads the application launcher plugin and waits for the completition
       
   150 // -----------------------------------------------------------------------------
       
   151 void CImLauncher::StartL( TImpsLaunchParams& aThreadParams )
       
   152     {
       
   153 
       
   154     /*
       
   155      * Convert the 16bit descriptor to 8bit.
       
   156      * This should not be a problem as ClientID should not contain
       
   157      * non ASCII chars.
       
   158      * If there will be a problem the ECom default resolver should be changed!
       
   159      */
       
   160 
       
   161     TBuf8<KImpsMaxClientId> applicationId;
       
   162     if ( aThreadParams.iApplicationId.Length() > KImpsMaxClientId )
       
   163         {
       
   164         User::Leave( KErrArgument );
       
   165         }
       
   166     else
       
   167         {
       
   168         applicationId.Copy( aThreadParams.iApplicationId );
       
   169         }
       
   170 
       
   171 #ifdef _DEBUG
       
   172     // NOTICE: this accepts only 16bit descriptor to log :-(
       
   173     CImApiLogger::Log( _L( "Loading 3rd party launcher plugin: %S" ), &aThreadParams.iApplicationId );
       
   174 #endif
       
   175     // ECom loading
       
   176     iPlugin = CImLauncherPlugin::NewL( applicationId );
       
   177 
       
   178 #ifdef _DEBUG
       
   179     CImApiLogger::Log( _L( "Loading successfull" ) );
       
   180 #endif
       
   181 
       
   182     // Make a request
       
   183     iStatus = KRequestPending;
       
   184     SetActive();
       
   185     iPlugin->StartApplicationL( iStatus, aThreadParams.iSAP, aThreadParams.iUserId );
       
   186 
       
   187 
       
   188 #ifdef _DEBUG
       
   189     CImApiLogger::Log( _L( "Timer started: %d sec" ), KDefaultTimeOut );
       
   190 #endif
       
   191     iTimer->After( KDefaultTimeOut * 1000000 );
       
   192 
       
   193     CActiveScheduler::Start();
       
   194 
       
   195     // if the request failed return the fail code to thread starter
       
   196     User::LeaveIfError( iReturnValue );
       
   197 
       
   198     delete iPlugin;
       
   199     iPlugin = NULL;
       
   200 
       
   201     }
       
   202 
       
   203 // -----------------------------------------------------------------------------
       
   204 // ThreadFunction()
       
   205 // Static function. Installs the CleanupsStack and ActiveScheduler
       
   206 // then initiates the application launching.
       
   207 // -----------------------------------------------------------------------------
       
   208 TInt CImLauncher::ThreadFunction( TImpsLaunchParams& aThreadParams )
       
   209     {
       
   210 
       
   211 #ifdef _DEBUG
       
   212     CImApiLogger::Log( _L( "ThreadFunction start" ) );
       
   213     __UHEAP_MARK;
       
   214 #endif
       
   215 
       
   216     CTrapCleanup* cleanupStack = CTrapCleanup::New();
       
   217     if ( cleanupStack == NULL )
       
   218         {
       
   219         Panic( ECreateTrapCleanup );
       
   220         }
       
   221 
       
   222     // Construct active scheduler
       
   223     CActiveScheduler* activeScheduler = new CActiveScheduler;
       
   224     // Install active scheduler
       
   225     // We don't need to check whether an active scheduler is already installed
       
   226     // as this is a new thread, so there won't be one
       
   227     CActiveScheduler::Install( activeScheduler );
       
   228 
       
   229     CImLauncher* launcher = NULL;
       
   230     TRAPD( err,  launcher = CImLauncher::NewL() );
       
   231     if ( err == KErrNone )
       
   232         {
       
   233         TRAP( err, launcher->StartL( aThreadParams ) );
       
   234         }
       
   235 
       
   236     delete launcher;
       
   237     delete activeScheduler;
       
   238     delete cleanupStack;
       
   239     cleanupStack = NULL;
       
   240     REComSession::FinalClose();
       
   241 
       
   242 #ifdef _DEBUG
       
   243     CImApiLogger::Log( _L( "ThreadFunction end %d" ), err );
       
   244     __UHEAP_MARKEND;
       
   245     CImApiLogger::Log( _L( "MEM TEST OK" ) );
       
   246 #endif
       
   247 
       
   248     return err;
       
   249     }
       
   250 
       
   251 
       
   252 /*
       
   253  * Main function
       
   254  */
       
   255 TInt E32Main()
       
   256     {
       
   257 #ifdef _DEBUG
       
   258     CImApiLogger::Log( _L( "EXE Started" ) );
       
   259 #endif
       
   260 //
       
   261     TBuf < sizeof( TImpsLaunchParams ) > paramsDes;
       
   262 
       
   263     User::CommandLine( paramsDes );
       
   264 
       
   265     TImpsLaunchParams params;
       
   266     params.Set( paramsDes );
       
   267 
       
   268     return CImLauncher::ThreadFunction( params );
       
   269     }
       
   270 
       
   271 
       
   272 //**********************************
       
   273 // CImShutDownTimer
       
   274 //**********************************
       
   275 
       
   276 // -----------------------------------------------------------------------------
       
   277 // CImShutDownTimer::CImShutDownTimer()
       
   278 // Constructor
       
   279 // -----------------------------------------------------------------------------
       
   280 CImShutDownTimer::CImShutDownTimer( CImLauncher* aLauncher, TInt aPriority )
       
   281         : CTimer( aPriority ),
       
   282         iLauncher( aLauncher )
       
   283     {
       
   284     CActiveScheduler::Add( this );
       
   285     }
       
   286 
       
   287 // -----------------------------------------------------------------------------
       
   288 // CImShutDownTimer::ConstructL()
       
   289 // 2nd phase Constructor
       
   290 // -----------------------------------------------------------------------------
       
   291 void CImShutDownTimer::ConstructL()
       
   292     {
       
   293     CTimer::ConstructL();
       
   294     }
       
   295 
       
   296 // -----------------------------------------------------------------------------
       
   297 // CImShutDownTimer::NewL()
       
   298 // Factory function
       
   299 // -----------------------------------------------------------------------------
       
   300 CImShutDownTimer* CImShutDownTimer::NewL( CImLauncher* aLauncher, TInt aPriority )
       
   301     {
       
   302     CImShutDownTimer* self = new( ELeave ) CImShutDownTimer( aLauncher, aPriority );
       
   303 
       
   304     CleanupStack::PushL( self );
       
   305     self->ConstructL();
       
   306     CleanupStack::Pop();
       
   307 
       
   308     return self;
       
   309     }
       
   310 
       
   311 // -----------------------------------------------------------------------------
       
   312 // CImShutDownTimer::~CImShutDownTimer()
       
   313 // Destructor
       
   314 // -----------------------------------------------------------------------------
       
   315 CImShutDownTimer::~CImShutDownTimer()
       
   316     {
       
   317     Cancel();
       
   318     }
       
   319 
       
   320 // -----------------------------------------------------------------------------
       
   321 // CImShutDownTimer::RunL()
       
   322 // Signals the timeout to the timer user
       
   323 // -----------------------------------------------------------------------------
       
   324 void CImShutDownTimer::RunL()
       
   325     {
       
   326     iLauncher->TimedOut();
       
   327     }
       
   328 
       
   329 //  End of File