--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iaupdate/IAD/ui/src/iaupdatestarter.cpp	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,389 @@
+/*
+* Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:   This module contains the implementation of CIAUpdateStarter class 
+*                member functions.
+*
+*/
+
+
+//INCLUDES
+
+#include <apacmdln.h>
+#include <apgtask.h>
+#include <apgcli.h>
+#include <apgwgnam.h>
+#include <eikenv.h>
+
+#include "iaupdatestarter.h"
+#include "iaupdatestarterobserver.h"
+#include "iaupdateutils.h"
+#include "iaupdateuitimer.h"
+
+// ================= MEMBER FUNCTIONS =======================
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::NewL
+// Two-phased constructor.
+// ---------------------------------------------------------------------------
+//
+CIAUpdateStarter* CIAUpdateStarter::NewL( const TDesC& aCommandLineExecutable,
+                                          const TDesC8& aCommandLineArguments )
+    {
+    CIAUpdateStarter* self = new (ELeave) CIAUpdateStarter();
+    CleanupStack::PushL( self );
+    self->ConstructL( aCommandLineExecutable, aCommandLineArguments );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+
+// ---------------------------------------------------------------------------
+// void CIAUpdateStarter::ConstructL
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateStarter::ConstructL( const TDesC& aCommandLineExecutable,
+                                   const TDesC8& aCommandLineArguments )
+    {
+    iCommandLineExecutable = aCommandLineExecutable.AllocL();
+    iCommandLineArguments = aCommandLineArguments.AllocL();
+    }    
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::CIAUpdateStarter
+// constructor
+// ---------------------------------------------------------------------------
+//
+CIAUpdateStarter::CIAUpdateStarter()  
+    : CActive( CActive::EPriorityStandard )
+    {
+    CActiveScheduler::Add( this );
+    iEikEnv = CEikonEnv::Static();
+    }
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::~CIAUpdateStarter
+// Destructor
+// ---------------------------------------------------------------------------
+//
+CIAUpdateStarter::~CIAUpdateStarter()
+    {
+    Cancel();
+    delete iProcessStartTimer;
+    delete iCommandLineExecutable;
+    delete iCommandLineArguments;
+    iThread.Close();
+    iProcess.Close();
+    }
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::StartExecutableL
+// Starts an executable
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateStarter::StartExecutableL( MIAUpdateStarterObserver& aStarterObserver ) 
+    {
+    iStarterObserver = &aStarterObserver;
+    //Close all instances of executable first
+    
+    if ( !iStartNeeded )
+        {
+    	iStarterObserver->StartExecutableCompletedL( KErrNone );
+    	iStarterObserver = NULL;
+        }
+    else
+        {
+        iStartNeeded = EFalse;
+        iUid = TUid::Null();
+        UidForExecutableL( iUid );
+        if ( iUid.iUid == 0 )
+            {
+            iStarterObserver->StartExecutableCompletedL( KErrNotFound );
+            iStarterObserver = NULL;
+            }
+        else
+            {
+    	    iPrevWgId = 0;  
+    	    CApaWindowGroupName::FindByAppUid( iUid, iEikEnv->WsSession(), iPrevWgId );
+	
+	        if ( iPrevWgId == KErrNotFound )
+	            {
+	   	        LaunchExeL();
+	            }
+	        else
+	            {
+	            CloseExecutableL();	
+	            }
+    	    
+            }
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::CheckInstalledPackageL
+// 
+// ---------------------------------------------------------------------------
+// 
+void CIAUpdateStarter::CheckInstalledPackageL( const TUid& aPUid )
+    {
+    if ( iCommandLineExecutable->Length() > 0 )
+        {
+    	if ( !iStartNeeded )
+	        {
+		    if ( IAUpdateUtils::IsInstalledL( aPUid, *iCommandLineExecutable ) )
+		        {
+		    	iStartNeeded = ETrue;
+		        }
+	        }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::BringToForegroundL
+// Bring started application to foreground
+// ---------------------------------------------------------------------------
+//    
+void CIAUpdateStarter::BringToForegroundL() const
+    {
+    if ( iExeStarted )	
+        {
+        TUid uid( TUid::Null() );
+        UidForExecutableL( uid );
+        
+        if ( uid.iUid != 0 )
+            {
+        	RWsSession ws;   
+                                             
+            if ( ws.Connect() == KErrNone )
+                {
+                CleanupClosePushL( ws );        
+                TApaTaskList tasklist( ws );   
+                 
+      	        TApaTask task = tasklist.FindApp( uid );
+       	        if ( task.Exists() )
+       	            {
+       	            task.BringToForeground();
+                    }
+                                                                        
+                CleanupStack::PopAndDestroy( &ws );        
+                }   
+            }
+        }
+    }
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::DoCancel
+// 
+// ---------------------------------------------------------------------------
+// 
+void CIAUpdateStarter::DoCancel()
+    {
+	iProcess.LogonCancel( iStatus );
+	if ( iProcessStartTimer )
+	    {
+	    iProcessStartTimer->Cancel();
+	    }
+    }
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::RunL
+// 
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateStarter::RunL()
+    {
+    //Check first if there are still running instances
+    CApaWindowGroupName::FindByAppUid( iUid, iEikEnv->WsSession(), iPrevWgId );
+	
+	if ( iPrevWgId == KErrNotFound )
+	    {
+	    LaunchExeL();
+	    }
+	else
+	    {
+	    CloseExecutableL();	
+	    }
+    
+	
+    }
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::RunError
+// 
+// ---------------------------------------------------------------------------
+//    
+TInt CIAUpdateStarter::RunError( TInt aError )
+    {
+	TRAP_IGNORE( iStarterObserver->StartExecutableCompletedL( aError ) );
+    iStarterObserver = NULL;
+    return KErrNone;
+    }
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::LaunchExeL
+// 
+// ---------------------------------------------------------------------------
+// 
+void CIAUpdateStarter::LaunchExeL()
+    {
+    // One second delay before launching because sometimes launching does not succeed immediately 
+    if ( !iProcessStartTimer )
+        {
+        iProcessStartTimer = CIAUpdateUITimer::NewL( *this, CIAUpdateUITimer::EProcessStartDelay );
+        }
+    else
+        {
+        iProcessStartTimer->Cancel();
+        }
+    iProcessStartTimer->After( 1000000 );
+    }
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::CloseExecutableL
+// 
+// ---------------------------------------------------------------------------
+// 
+void CIAUpdateStarter::CloseExecutableL() 
+    {
+	CApaWindowGroupName* wgName = CApaWindowGroupName::NewL( iEikEnv->WsSession() );	
+	CleanupStack::PushL( wgName );
+	wgName->ConstructFromWgIdL( iPrevWgId );
+	TBool respondsToShutdownEvent = wgName->RespondsToShutdownEvent();
+	CleanupStack::PopAndDestroy( wgName );
+	if( respondsToShutdownEvent )
+	    {
+	    TApaTask task( iEikEnv->WsSession() );
+	    task.SetWgId( iPrevWgId );
+
+	    iThread.Close();
+	    User::LeaveIfError(iThread.Open(task.ThreadId()));
+			
+	    iProcess.Close();
+	    User::LeaveIfError(iThread.Process(iProcess));
+	    iProcess.Logon( iStatus );
+				
+	    task.SendSystemEvent( EApaSystemEventShutdown );
+        SetActive(); 	
+        }
+    else  //Just give up 
+	    {
+	    iStarterObserver->StartExecutableCompletedL( KErrNone );
+        iStarterObserver = NULL;	
+	    }
+    } 
+
+
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::UidForExecutableL
+// Find Uid for executable
+// ---------------------------------------------------------------------------
+//    
+void CIAUpdateStarter::UidForExecutableL( TUid& aUid ) const
+    {
+    aUid = TUid::Null();
+    RApaLsSession lsSession;
+    User::LeaveIfError( lsSession.Connect() );
+    CleanupClosePushL( lsSession );
+    lsSession.GetAllApps();
+    TApaAppInfo appInfo;
+    TInt err = KErrNone;
+    while ( err == KErrNone )
+        {
+        err = lsSession.GetNextApp( appInfo );
+        TFileName fullName = appInfo.iFullName;	
+        TParse parse;
+        parse.Set( fullName, NULL, NULL);    
+        if ( parse.NameAndExt().CompareF( *iCommandLineExecutable ) == 0 )
+            {
+            aUid = appInfo.iUid;
+          	err = RApaLsSession::ENoMoreAppsInList;
+            }
+        }
+    CleanupStack::PopAndDestroy( &lsSession ); 
+    }
+ 
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::ProcessStartDelayComplete
+// 
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateStarter::ProcessStartDelayComplete( TInt /*aError*/ )
+    {
+    delete iProcessStartTimer;
+    iProcessStartTimer = NULL;
+    TRAPD( err, StartProcessL() );
+    TRAP_IGNORE( iStarterObserver->StartExecutableCompletedL( err ) );
+    iStarterObserver = NULL;
+    }
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::BackgroundDelayComplete
+// 
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateStarter::BackgroundDelayComplete( TInt /*aError*/ )
+    {
+    
+    }
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::ForegroundDelayComplete
+// 
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateStarter::ForegroundDelayComplete( TInt /*aError*/ )
+    {
+    
+    }
+
+// ---------------------------------------------------------------------------
+// CIAUpdateStarter::StartProcessL
+// 
+// ---------------------------------------------------------------------------
+//
+void CIAUpdateStarter::StartProcessL()
+    {
+    RProcess process;
+    TInt err = process.Create( *iCommandLineExecutable, KNullDesC );
+    if ( err != KErrNone )
+        {
+        return; // process is already running or some error, nothing to do than return 
+        }
+    else
+        {
+        CleanupClosePushL( process );
+        CApaCommandLine* commandLine = CApaCommandLine::NewLC();
+        commandLine->SetDocumentNameL( KNullDesC );
+        commandLine->SetExecutableNameL( *iCommandLineExecutable );
+        commandLine->SetCommandL( EApaCommandBackground );
+        if ( iCommandLineArguments->Length() > 0 )
+            {
+            commandLine->SetTailEndL( *iCommandLineArguments );
+            }
+        commandLine->SetProcessEnvironmentL( process );
+        CleanupStack::PopAndDestroy( commandLine );
+
+        process.Resume();
+        CleanupStack::PopAndDestroy( &process );
+                        
+        iExeStarted = ETrue;
+        }
+    }
+
+
+
+// End of File