iaupdate/IAD/ui/src/iaupdatetools.cpp
changeset 29 26b6f0522fd8
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/iaupdate/IAD/ui/src/iaupdatetools.cpp	Mon May 03 12:38:03 2010 +0300
@@ -0,0 +1,252 @@
+/*
+* Copyright (c) 2007-2010 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 IAUpdateTools functions
+*
+*/
+
+
+
+
+
+
+#include <s32mem.h>
+#include <iaupdateparameters.h>
+
+#include "iaupdatetools.h"
+#include "iaupdatedebug.h"
+
+// -----------------------------------------------------------------------------
+// IAUpdateTools::ExternalizeParametersL
+// 
+// -----------------------------------------------------------------------------
+// 
+void IAUpdateTools::ExternalizeParametersL( HBufC8*& aTarget,
+                                            const CIAUpdateParameters& aSource )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] IAUpdateTools::ExternalizeParametersL begin");
+    // Notice!
+    // If you make changes here. Also, remember to make corresponding
+    // changes to the InternalizeParametersL
+
+    // The size of the buffer will contain:
+    // - 1 TInt for UIDs,
+    // - 1 TBool for ShowProgress boolean
+    // - 1 TUint for importance
+    // - 1 TUint for type
+    // - 1 TBool for Refresh boolean
+    
+    // - 3 TInt for descriptor lengths
+    // --> bytes for 5 + 3 = 8 TInt values are needed 
+    //     (sizeof( TInt ) * KNumberOfTInts)
+    // - 3 descriptor TDesC texts
+    const TInt KNumberOfTInts( 8 );
+
+    // Notice, that because descriptor texts that are included
+    // here are TDesC, their Size-information has to be used
+    // instead of Length.
+    HBufC8* tmp = 
+        HBufC8::NewLC( sizeof( TInt ) * KNumberOfTInts
+                       + aSource.SearchCriteria().Size()
+                       + aSource.CommandLineExecutable().Size()
+                       + aSource.CommandLineArguments().Size() );
+
+    // Create stream that uses the buffer created above.
+    // By using the stream, the values are easier to insert into the buffer.
+    TPtr8 ptr( tmp->Des() );    
+    RDesWriteStream stream( ptr );
+    CleanupClosePushL( stream );
+
+    // These are integers for uids
+    IAUPDATE_TRACE_1("[IAUPDATE] uid: %x", aSource.Uid().iUid );
+    stream.WriteInt32L( aSource.Uid().iUid );
+
+    // These are length and data pairs for descriptors
+    IAUPDATE_TRACE_1("[IAUPDATE] search criteria: %S", &aSource.SearchCriteria() );
+    ExternalizeDesL( aSource.SearchCriteria(), stream );
+    IAUPDATE_TRACE_1("[IAUPDATE] command line executable: %S", &aSource.CommandLineExecutable() );
+    ExternalizeDesL( aSource.CommandLineExecutable(), stream );
+#ifdef _DEBUG
+    HBufC* temp = HBufC::NewL( aSource.CommandLineArguments().Length() );
+    temp->Des().Copy( aSource.CommandLineArguments()) ;
+    IAUPDATE_TRACE_1("[IAUPDATE] command line arguments: %S", temp );
+    delete temp;
+#endif //_DEBUG
+    ExternalizeDes8L( aSource.CommandLineArguments(), stream );
+    
+    // Boolean for ShowProgress
+    stream.WriteInt32L( aSource.ShowProgress() );
+    
+    // TUint for importance
+    stream.WriteInt32L( aSource.Importance() );
+    
+    // TUint for type
+    stream.WriteInt32L( aSource.Type() );
+    
+    // Boolean for Refresh
+    stream.WriteInt32L( aSource.Refresh() );
+
+    // Stream is not needed anymore
+    CleanupStack::PopAndDestroy( &stream );
+
+    // Remove tmp from the stack but do not delete it because it will be
+    // assigned to the aTarget below.
+    CleanupStack::Pop( tmp );
+    
+    // Replace aTarget with new value
+    delete aTarget;
+    aTarget = tmp;
+    IAUPDATE_TRACE("[IAUPDATE] IAUpdateTools::ExternalizeParametersL end");
+    }
+
+// -----------------------------------------------------------------------------
+// IAUpdateTools::InternalizeParametersL
+// 
+// -----------------------------------------------------------------------------
+// 
+void IAUpdateTools::InternalizeParametersL( CIAUpdateParameters& aTarget, 
+                                            const TDesC8& aSource )
+    {
+    IAUPDATE_TRACE("[IAUPDATE] IAUpdateTools::InternalizeParametersL begin");
+    // Notice!
+    // If you make changes here. Also, remember to make corresponding
+    // changes to the ExternalizeParametersL
+
+    // InternalizeDesL function will set values into this tmp descriptor.
+    HBufC* tmp( NULL );
+    
+    // Create stream that uses the given buffer.
+    RDesReadStream stream( aSource );
+    CleanupClosePushL( stream );
+
+    aTarget.SetUid( TUid::Uid( stream.ReadInt32L() ) );
+    IAUPDATE_TRACE_1("[IAUPDATE] uid: %x", aTarget.Uid().iUid );
+    
+    InternalizeDesL( tmp, stream );
+    CleanupStack::PushL( tmp );
+    aTarget.SetSearchCriteriaL( *tmp );
+    IAUPDATE_TRACE_1("[IAUPDATE] search criteria: %S", tmp );
+    CleanupStack::PopAndDestroy( tmp );
+    tmp = NULL;
+        
+    InternalizeDesL( tmp, stream );
+    CleanupStack::PushL( tmp );
+    aTarget.SetCommandLineExecutableL( *tmp );
+    IAUPDATE_TRACE_1("[IAUPDATE] command line executable: %S", tmp );
+    CleanupStack::PopAndDestroy( tmp );
+    tmp = NULL;
+
+    HBufC8* tmp8( NULL );        
+    InternalizeDes8L( tmp8, stream );
+    CleanupStack::PushL( tmp8 );
+    aTarget.SetCommandLineArgumentsL( *tmp8 );
+#ifdef _DEBUG
+    tmp = HBufC::NewL( tmp8->Length() );
+    tmp->Des().Copy( *tmp8 ) ;
+    IAUPDATE_TRACE_1("[IAUPDATE] command line arguments: %S", tmp );
+    delete tmp;
+    tmp = NULL;
+#endif //_DEBUG
+    CleanupStack::PopAndDestroy( tmp8 );
+    tmp8 = NULL;
+    
+    aTarget.SetShowProgress( stream.ReadInt32L() );
+
+    // new parameters (in phase 2 IAD) do not always exist. Parameters may have written by old IAD in selfupdate case.
+    TRAPD( err, aTarget.SetImportance( stream.ReadInt32L() ) );
+    if ( err != KErrEof )
+        {
+        User::LeaveIfError( err );
+        aTarget.SetType( stream.ReadInt32L() );
+        aTarget.SetRefresh( stream.ReadInt32L() );
+        }
+     
+    IAUPDATE_TRACE_1("[IAUPDATE] show progress: %d", aTarget.ShowProgress() );
+    CleanupStack::PopAndDestroy( &stream );   
+    IAUPDATE_TRACE("[IAUPDATE] IAUpdateTools::InternalizeParametersL end");
+    }
+
+
+// -----------------------------------------------------------------------------
+// IAUpdateTools::ExternalizeDesL
+// 
+// -----------------------------------------------------------------------------
+// 
+void IAUpdateTools::ExternalizeDesL( const TDesC& aDes, 
+                                     RWriteStream& aStream )
+    {
+    aStream.WriteInt32L( aDes.Length() );
+    aStream.WriteL( aDes );
+    }
+
+// -----------------------------------------------------------------------------
+// IAUpdateTools::InternalizeDesL
+// 
+// -----------------------------------------------------------------------------
+// 
+TInt IAUpdateTools::InternalizeDesL( HBufC*& aDes, 
+                                     RReadStream& aStream )
+    {
+    TInt length = aStream.ReadInt32L();
+    if ( length > 0 ) 
+        {
+        HBufC* target = HBufC::NewLC( length );
+        TPtr ptr( target->Des() );        
+        aStream.ReadL( ptr, length );
+        delete aDes;
+        aDes = target;
+        CleanupStack::Pop( target );
+        }
+    else
+        {
+        delete aDes;
+        aDes = KNullDesC().AllocL();
+        }
+    return length;
+    }
+
+// -----------------------------------------------------------------------------
+// IAUpdateTools::ExternalizeDes8L
+// 
+// -----------------------------------------------------------------------------
+// 
+void IAUpdateTools::ExternalizeDes8L( const TDesC8& aDes, RWriteStream& aStream )
+    {
+    aStream.WriteInt32L( aDes.Length() );
+    aStream.WriteL( aDes );
+    }
+
+// -----------------------------------------------------------------------------
+// IAUpdateTools::InternalizeDes8L
+// 
+// -----------------------------------------------------------------------------
+// 
+TInt IAUpdateTools::InternalizeDes8L( HBufC8*& aDes, RReadStream& aStream )
+    {
+    TInt length = aStream.ReadInt32L();
+    if ( length > 0 ) 
+        {
+        HBufC8* target = HBufC8::NewLC( length );
+        TPtr8 ptr( target->Des() );        
+        aStream.ReadL( ptr, length );
+        delete aDes;
+        aDes = target;
+        CleanupStack::Pop( target );
+        }
+    else
+        {
+        delete aDes;
+        aDes = KNullDesC8().AllocL();
+        }
+    return length;
+    }