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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: Implementation of the CVCommandRunnable class
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*
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*/
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#include <vcommandapi.h>
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#include "rubydebug.h"
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#include <apaid.h>
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#include <apgcli.h>
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#include <apacmdln.h>
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#include <apgtask.h>
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#include <eikappui.h>
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/**
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* The version of the streamed data protocol
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* It is rather likely, that the format of the data streamed changes in the future.
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* Using the protocol version, the code can check if it knows how to parse the
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* input stream
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*/
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const TInt32 KVCRunnableProtocolVersion = 2;
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/**
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* @leave KErrOverflow if aArguments is longer, than KMaxVCArgumentLength
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* @leave KErrArgument if aAppUid is KNullUidValue
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*/
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EXPORT_C CVCRunnable* CVCRunnable::NewL( TUid aAppUid, const TDesC8& aArguments )
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{
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CVCRunnable* self = new ( ELeave ) CVCRunnable;
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CleanupStack::PushL( self );
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self->ConstructL( aAppUid, aArguments );
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CleanupStack::Pop( self );
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return self;
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}
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/**
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* Factory function
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* @param aExeName Exe-file to start. Can be full or partical name according to
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* the RProcess::Create rules. Cannot be KNullDesC
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* @param aArguments Command line to pass to the application. This object makes
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* a copy of the passed string
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* @leave KErrOverflow if aArguments is longer, than KMaxVCArgumentLength or
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* aExeName is longer, than KMaxOsName
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* @leave KErrUndeflow if aExeName is empty
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*/
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EXPORT_C CVCRunnable* CVCRunnable::NewL( const TDesC& aExeName, const TDesC8& aArguments )
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{
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CVCRunnable* self = new( ELeave ) CVCRunnable;
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CleanupStack::PushL( self );
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self->ConstructL( aExeName, aArguments);
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CleanupStack::Pop( self );
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return self;
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}
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/**
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* Copy the existing CVRunnable
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*/
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EXPORT_C CVCRunnable* CVCRunnable::NewL( const CVCRunnable& aOriginal )
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{
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CVCRunnable* self = new (ELeave) CVCRunnable;
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CleanupStack::PushL( self );
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if( aOriginal.Uid() == KNullUid )
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{
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self->ConstructL( aOriginal.ExeName(), aOriginal.Arguments() );
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}
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else
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{
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self->ConstructL( aOriginal.Uid(), aOriginal.Arguments() );
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}
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CleanupStack::Pop( self );
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return self;
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}
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/**
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* Internalizes from stream
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* values are read in the same order as ExternalizeL wrote them
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*/
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EXPORT_C CVCRunnable* CVCRunnable::NewL( RReadStream &aStream )
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{
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CVCRunnable* self = new (ELeave) CVCRunnable;
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CleanupStack::PushL( self );
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self->ConstructL( aStream );
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CleanupStack::Pop( self );
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return self;
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}
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void CVCRunnable::ConstructL( RReadStream &aStream )
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{
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TInt32 ver;
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aStream >> ver;
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__ASSERT_ALWAYS( ver == KVCRunnableProtocolVersion, User::Leave( KErrNotSupported ) );
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iExeUid = TUid::Uid( aStream.ReadInt32L() );
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iArguments = HBufC8::NewL( aStream.ReadInt32L() );
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TPtr8 pArguments = iArguments->Des();
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aStream >> pArguments;
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TInt exeNameLength = aStream.ReadInt32L();
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if( exeNameLength > 0 )
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{
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iExeName = HBufC::NewL( exeNameLength );
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TPtr pExeName = iExeName->Des();
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aStream >> pExeName;
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}
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}
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void CVCRunnable::ConstructL( TUid aAppUid, const TDesC8& aArguments )
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{
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__ASSERT_ALWAYS( aArguments.Length() <= KMaxVCArgumentLength, User::Leave( KErrOverflow) );
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__ASSERT_ALWAYS( aAppUid != KNullUid, User::Leave( KErrArgument ) );
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iExeUid = TUid::Uid( aAppUid.iUid );
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iArguments = HBufC8::NewL( aArguments.Length() );
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*iArguments = aArguments;
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}
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void CVCRunnable::ConstructL( const TDesC& aExeName, const TDesC8& aArguments )
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{
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__ASSERT_ALWAYS( aArguments.Length() <= KMaxVCArgumentLength, User::Leave( KErrOverflow) );
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__ASSERT_ALWAYS( aExeName.Length() <= KMaxFileName, User::Leave( KErrOverflow ) );
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__ASSERT_ALWAYS( aExeName.Length() > 0, User::Leave( KErrUnderflow ) );
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iExeName = HBufC::NewL( aExeName.Length() );
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*iExeName = aExeName;
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iArguments = HBufC8::NewL( aArguments.Length() );
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*iArguments = aArguments;
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}
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EXPORT_C CVCRunnable::~CVCRunnable()
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{
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delete iExeName;
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delete iArguments;
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}
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/**
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* Saves the object to stream.
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* The current format is as follows:
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* <protocol version: int32><uid: int32; KNullUidValue if no><argument length: int32>
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* <argument descriptor streamed by the default descriptor ExternalizeL>
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* <exe filename length><exe filename descriptor only if filename length is not 0>
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*/
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EXPORT_C void CVCRunnable::ExternalizeL( RWriteStream &aStream ) const
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{
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aStream << KVCRunnableProtocolVersion;
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aStream << iExeUid.iUid;
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aStream << static_cast<TInt32>( iArguments->Length() );
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aStream << *iArguments;
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if( iExeName )
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{
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aStream << static_cast<TInt32>( iExeName->Length() );
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aStream << *iExeName;
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}
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else
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{
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aStream << static_cast<TInt32>( 0 );
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}
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}
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EXPORT_C TBool CVCRunnable::operator==( const CVCRunnable& aRunnable ) const
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{
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return (
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( Uid() == aRunnable.Uid()) &&
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( Arguments() == aRunnable.Arguments() ) &&
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( ExeName() == aRunnable.ExeName() )
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);
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}
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/**
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* @return The uid of the application to be started
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*/
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EXPORT_C const TUid CVCRunnable::Uid() const
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{
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return iExeUid;
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}
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/**
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* @return The filename of the application to be started. KNullDesC if there is none
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*/
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EXPORT_C const TDesC& CVCRunnable::ExeName() const
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{
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if( iExeName )
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{
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return *iExeName;
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}
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else
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{
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return KNullDesC;
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}
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}
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/**
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* The arguments to be passed to the application
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*/
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EXPORT_C const TDesC8& CVCRunnable::Arguments() const
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{
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return *iArguments;
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}
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/**
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* Run the command. In case of aAppUid specified during the construction
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* application is started via the RApaLsSession::StartApp, otherwise
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* via the RProcess::Create
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* @leave System-wide error code. In particular KErrNotFound if there is
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* no such app in the system
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*/
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EXPORT_C void CVCRunnable::ExecuteL() const
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{
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RUBY_DEBUG_BLOCK( "CVCRunnable::ExecuteL" );
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if( iExeName )
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{
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RProcess process;
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CleanupClosePushL( process );
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// Convert arguments into system_number_of_bits-bit descriptor
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// (needed for exe, not needed for GUI apps)
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HBufC* arguments = HBufC::NewLC( iArguments->Length() );
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arguments->Des().Copy( *iArguments );
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User::LeaveIfError( process.Create( *iExeName, *arguments) );
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process.Resume();
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CleanupStack::PopAndDestroy( arguments );
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CleanupStack::PopAndDestroy( &process );
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}
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else
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{
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const TUid KLogsUID3 = { 270486741 };//101F4CD5
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//In case logs.exe run in background [EDCN-84B68Q]
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//todo: General support for this kind of case,
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// eg, add "view" keyworkd in defaultvoicecommands.xml...
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if ( iExeUid == KLogsUID3 )
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{
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TApaTaskList taskList( CCoeEnv::Static()->WsSession() );
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TApaTask task = taskList.FindApp( iExeUid );
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if( task.Exists() ) //Logs already open. Request it to
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{ //activate the correct view
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task.SendMessage( iExeUid, *iArguments );
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return;
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}
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}
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TApaAppInfo appInfo;
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RApaLsSession apaLsSession;
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CleanupClosePushL( apaLsSession );
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User::LeaveIfError( apaLsSession.Connect() );
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User::LeaveIfError( apaLsSession.GetAppInfo( appInfo, iExeUid ) );
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CApaCommandLine* apaCommandLine = CApaCommandLine::NewLC();
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apaCommandLine->SetExecutableNameL( appInfo.iFullName );
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apaCommandLine->SetTailEndL( *iArguments );
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User::LeaveIfError( apaLsSession.StartApp( *apaCommandLine ) );
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CleanupStack::PopAndDestroy( apaCommandLine );
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CleanupStack::PopAndDestroy( &apaLsSession );
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}
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}
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//End of file
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