filemanager/Engine/src/Cfilemanagerfilesystemevent.cpp
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:31:07 +0100
branchRCL_3
changeset 39 65326cf895ed
parent 0 6a9f87576119
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201033 Kit: 201035
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/*
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* Copyright (c) 2002-2007 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:  This AO is signaled when directory entry is added or removed 
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*                from file system
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*
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*/
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// INCLUDE FILES
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#include <e32std.h>
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#include "Cfilemanagerfilesystemevent.h"
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#include "CFileManagerEngine.h"
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#include "FileManagerDebug.h"
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CFileManagerFileSystemEvent::CFileManagerFileSystemEvent
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// C++ default constructor can NOT contain any code, that
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// might leave.
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// -----------------------------------------------------------------------------
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//
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CFileManagerFileSystemEvent::CFileManagerFileSystemEvent(
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        RFs& aFs,
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        CFileManagerEngine& aEngine,
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        TNotifyType aNotifyType ) :
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    CActive( CActive::EPriorityLow ),
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    iFs( aFs ),
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    iEngine( aEngine),
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    iNotifyType( aNotifyType )
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    {
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    }
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// -----------------------------------------------------------------------------
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// CFileManagerFileSystemEvent::ConstructL
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// Symbian 2nd phase constructor can leave.
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// -----------------------------------------------------------------------------
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//
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void CFileManagerFileSystemEvent::ConstructL( const TDesC& aFullPath )
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    {
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    CActiveScheduler::Add( this );
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    if ( aFullPath.Length() )
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        {
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        iFullPath = aFullPath.AllocL();
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        }
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    Setup();
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    }
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// -----------------------------------------------------------------------------
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// CFileManagerFileSystemEvent::NewL
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// Two-phased constructor.
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// -----------------------------------------------------------------------------
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//
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CFileManagerFileSystemEvent* CFileManagerFileSystemEvent::NewL(
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        RFs& aFs,
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        CFileManagerEngine& aEngine,
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        TNotifyType aNotifyType,
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        const TDesC& aFullPath )
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    {
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    CFileManagerFileSystemEvent* self =
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        new( ELeave ) CFileManagerFileSystemEvent( 
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            aFs,
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            aEngine,
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            aNotifyType );
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    CleanupStack::PushL( self );
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    self->ConstructL( aFullPath );
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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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// CFileManagerFileSystemEvent::~CFileManagerFileSystemEvent
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//
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// ------------------------------------------------------------------------------
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CFileManagerFileSystemEvent::~CFileManagerFileSystemEvent()
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    {
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    Cancel();
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    delete iFullPath;
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    }
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// -----------------------------------------------------------------------------
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// CFileManagerFileSystemEvent::RunL
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// From CActive. Called when asynchronous request is completed. 
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// Notifies the observer
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CFileManagerFileSystemEvent::RunL()
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    {
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    TInt err( iStatus.Int() );
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    LOG_IF_ERROR1( err, "CFileManagerFileSystemEvent::RunL-err=%d", err )
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    // Mark as received if there is no error
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    if ( err == KErrNone )
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        {
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        iIsReceived = ETrue;
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        }
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    // If not ENotifyDisk, do refresh when event is checked
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    // using CheckFileSystemEvent
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    if ( iNotifyType == ENotifyDisk )
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        {
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        iEngine.DriveAddedOrChangedL();
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        }
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    }
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// -----------------------------------------------------------------------------
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// CFileManagerFileSystemEvent::RunError
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// From CActive. Called when error occurred in asynchronous request
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// Notifies the observer
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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TInt CFileManagerFileSystemEvent::RunError( TInt /*aError*/ )
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    {
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    return KErrNone;
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    }
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// -----------------------------------------------------------------------------
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// CFileManagerFileSystemEvent::DoCancel
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// From CActive. Called when asynchronous request is canceled
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// (other items were commented in a header).
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// -----------------------------------------------------------------------------
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//
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void CFileManagerFileSystemEvent::DoCancel()
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    {
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    iFs.NotifyChangeCancel( iStatus );
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    }
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// ------------------------------------------------------------------------------
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// CFileManagerFileSystemEvent::Setup
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//
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// ------------------------------------------------------------------------------
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//
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void CFileManagerFileSystemEvent::Setup()
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    {
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    if( IsActive() )
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        {
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        return;
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        }
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    iIsReceived = EFalse;
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    if( iFullPath )
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        {
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        iFs.NotifyChange( iNotifyType, iStatus, *iFullPath );
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        }
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    else
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        {
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        iFs.NotifyChange( iNotifyType, iStatus );
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        }
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    SetActive();
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    }
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// ------------------------------------------------------------------------------
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// CFileManagerFileSystemEvent::CheckFileSystemEvent
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//
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// ------------------------------------------------------------------------------
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//
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void CFileManagerFileSystemEvent::CheckFileSystemEvent()
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    {
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    if( iIsReceived )
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        {
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        TRAP_IGNORE( iEngine.FolderContentChangedL() );
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        }
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    }
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//  End of File