--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/srsf/vcommandhandler/src/vcommandrunnable.cpp Thu Dec 17 08:46:30 2009 +0200
@@ -0,0 +1,251 @@
+/*
+* Copyright (c) 2006 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: Implementation of the CVCommandRunnable class
+*
+*/
+
+
+
+#include <vcommandapi.h>
+#include "rubydebug.h"
+
+#include <apaid.h>
+#include <apgcli.h>
+#include <apacmdln.h>
+
+/**
+* The version of the streamed data protocol
+* It is rather likely, that the format of the data streamed changes in the future.
+* Using the protocol version, the code can check if it knows how to parse the
+* input stream
+*/
+const TInt32 KVCRunnableProtocolVersion = 2;
+
+/**
+* @leave KErrOverflow if aArguments is longer, than KMaxVCArgumentLength
+* @leave KErrArgument if aAppUid is KNullUidValue
+*/
+EXPORT_C CVCRunnable* CVCRunnable::NewL( TUid aAppUid, const TDesC8& aArguments )
+ {
+ CVCRunnable* self = new ( ELeave ) CVCRunnable;
+ CleanupStack::PushL( self );
+ self->ConstructL( aAppUid, aArguments );
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+/**
+* Factory function
+* @param aExeName Exe-file to start. Can be full or partical name according to
+* the RProcess::Create rules. Cannot be KNullDesC
+* @param aArguments Command line to pass to the application. This object makes
+* a copy of the passed string
+* @leave KErrOverflow if aArguments is longer, than KMaxVCArgumentLength or
+* aExeName is longer, than KMaxOsName
+* @leave KErrUndeflow if aExeName is empty
+*/
+EXPORT_C CVCRunnable* CVCRunnable::NewL( const TDesC& aExeName, const TDesC8& aArguments )
+ {
+ CVCRunnable* self = new( ELeave ) CVCRunnable;
+ CleanupStack::PushL( self );
+ self->ConstructL( aExeName, aArguments);
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+/**
+* Copy the existing CVRunnable
+*/
+EXPORT_C CVCRunnable* CVCRunnable::NewL( const CVCRunnable& aOriginal )
+ {
+ CVCRunnable* self = new (ELeave) CVCRunnable;
+ CleanupStack::PushL( self );
+ if( aOriginal.Uid() == KNullUid )
+ {
+ self->ConstructL( aOriginal.ExeName(), aOriginal.Arguments() );
+ }
+ else
+ {
+ self->ConstructL( aOriginal.Uid(), aOriginal.Arguments() );
+ }
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+/**
+* Internalizes from stream
+* values are read in the same order as ExternalizeL wrote them
+*/
+EXPORT_C CVCRunnable* CVCRunnable::NewL( RReadStream &aStream )
+ {
+ CVCRunnable* self = new (ELeave) CVCRunnable;
+ CleanupStack::PushL( self );
+ self->ConstructL( aStream );
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+void CVCRunnable::ConstructL( RReadStream &aStream )
+ {
+ TInt32 ver;
+ aStream >> ver;
+ __ASSERT_ALWAYS( ver == KVCRunnableProtocolVersion, User::Leave( KErrNotSupported ) );
+ iExeUid = TUid::Uid( aStream.ReadInt32L() );
+ iArguments = HBufC8::NewL( aStream.ReadInt32L() );
+ TPtr8 pArguments = iArguments->Des();
+ aStream >> pArguments;
+ TInt exeNameLength = aStream.ReadInt32L();
+ if( exeNameLength > 0 )
+ {
+ iExeName = HBufC::NewL( exeNameLength );
+ TPtr pExeName = iExeName->Des();
+ aStream >> pExeName;
+ }
+ }
+
+void CVCRunnable::ConstructL( TUid aAppUid, const TDesC8& aArguments )
+ {
+ __ASSERT_ALWAYS( aArguments.Length() <= KMaxVCArgumentLength, User::Leave( KErrOverflow) );
+ __ASSERT_ALWAYS( aAppUid != KNullUid, User::Leave( KErrArgument ) );
+ iExeUid = TUid::Uid( aAppUid.iUid );
+ iArguments = HBufC8::NewL( aArguments.Length() );
+ *iArguments = aArguments;
+ }
+
+void CVCRunnable::ConstructL( const TDesC& aExeName, const TDesC8& aArguments )
+ {
+ __ASSERT_ALWAYS( aArguments.Length() <= KMaxVCArgumentLength, User::Leave( KErrOverflow) );
+ __ASSERT_ALWAYS( aExeName.Length() <= KMaxFileName, User::Leave( KErrOverflow ) );
+ __ASSERT_ALWAYS( aExeName.Length() > 0, User::Leave( KErrUnderflow ) );
+ iExeName = HBufC::NewL( aExeName.Length() );
+ *iExeName = aExeName;
+ iArguments = HBufC8::NewL( aArguments.Length() );
+ *iArguments = aArguments;
+ }
+
+EXPORT_C CVCRunnable::~CVCRunnable()
+ {
+ delete iExeName;
+ delete iArguments;
+ }
+
+/**
+ * Saves the object to stream.
+ * The current format is as follows:
+ * <protocol version: int32><uid: int32; KNullUidValue if no><argument length: int32>
+ * <argument descriptor streamed by the default descriptor ExternalizeL>
+ * <exe filename length><exe filename descriptor only if filename length is not 0>
+ */
+EXPORT_C void CVCRunnable::ExternalizeL( RWriteStream &aStream ) const
+ {
+ aStream << KVCRunnableProtocolVersion;
+ aStream << iExeUid.iUid;
+ aStream << static_cast<TInt32>( iArguments->Length() );
+ aStream << *iArguments;
+ if( iExeName )
+ {
+ aStream << static_cast<TInt32>( iExeName->Length() );
+ aStream << *iExeName;
+ }
+ else
+ {
+ aStream << static_cast<TInt32>( 0 );
+ }
+ }
+
+EXPORT_C TBool CVCRunnable::operator==( const CVCRunnable& aRunnable ) const
+ {
+ return (
+ ( Uid() == aRunnable.Uid()) &&
+ ( Arguments() == aRunnable.Arguments() ) &&
+ ( ExeName() == aRunnable.ExeName() )
+ );
+ }
+
+
+/**
+* @return The uid of the application to be started
+*/
+EXPORT_C const TUid CVCRunnable::Uid() const
+ {
+ return iExeUid;
+ }
+
+/**
+* @return The filename of the application to be started. KNullDesC if there is none
+*/
+EXPORT_C const TDesC& CVCRunnable::ExeName() const
+ {
+ if( iExeName )
+ {
+ return *iExeName;
+ }
+ else
+ {
+ return KNullDesC;
+ }
+ }
+
+/**
+* The arguments to be passed to the application
+*/
+EXPORT_C const TDesC8& CVCRunnable::Arguments() const
+ {
+ return *iArguments;
+ }
+
+/**
+* Run the command. In case of aAppUid specified during the construction
+* application is started via the RApaLsSession::StartApp, otherwise
+* via the RProcess::Create
+* @leave System-wide error code. In particular KErrNotFound if there is
+* no such app in the system
+*/
+EXPORT_C void CVCRunnable::ExecuteL() const
+ {
+ RUBY_DEBUG_BLOCK( "CVCRunnable::ExecuteL" );
+ if( iExeName )
+ {
+ RProcess process;
+ CleanupClosePushL( process );
+ // Convert arguments into system_number_of_bits-bit descriptor
+ // (needed for exe, not needed for GUI apps)
+ HBufC* arguments = HBufC::NewLC( iArguments->Length() );
+ arguments->Des().Copy( *iArguments );
+
+ User::LeaveIfError( process.Create( *iExeName, *arguments) );
+ process.Resume();
+
+ CleanupStack::PopAndDestroy( arguments );
+ CleanupStack::PopAndDestroy( &process );
+ }
+ else
+ {
+ TApaAppInfo appInfo;
+ RApaLsSession apaLsSession;
+ CleanupClosePushL( apaLsSession );
+ User::LeaveIfError( apaLsSession.Connect() );
+ User::LeaveIfError( apaLsSession.GetAppInfo( appInfo, iExeUid ) );
+
+ CApaCommandLine* apaCommandLine = CApaCommandLine::NewLC();
+ apaCommandLine->SetExecutableNameL( appInfo.iFullName );
+ apaCommandLine->SetTailEndL( *iArguments );
+ User::LeaveIfError( apaLsSession.StartApp( *apaCommandLine ) );
+
+ CleanupStack::PopAndDestroy( apaCommandLine );
+ CleanupStack::PopAndDestroy( &apaLsSession );
+ }
+ }
+
+//End of file