author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Thu, 15 Jul 2010 19:53:20 +0300 | |
branch | RCL_3 |
changeset 91 | 30342f40acbf |
parent 58 | 220a17280356 |
permissions | -rw-r--r-- |
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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 the License "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: Manages list of widget entries. |
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* |
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*/ |
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// INCLUDE FILES |
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#include "WidgetMMCHandler.h" |
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#include "WidgetRegistry.h" |
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// CONSTANTS |
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LOG_NAMES( "widreg", "widrmmc.txt" ) |
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|
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// ============================================================================ |
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// CWidgetMMCHandler::NewL() |
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// two-phase constructor |
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// |
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// @since 3.1 |
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// @param aRegistry - Widget registry for callback. |
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// @param aFs - file session |
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// @return pointer to CWidgetMMCHandler |
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// ============================================================================ |
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// |
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CWidgetMMCHandler* CWidgetMMCHandler::NewL( |
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CWidgetRegistry& aRegistry, |
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RFs& aFs ) |
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{ |
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CWidgetMMCHandler* self = |
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new(ELeave) CWidgetMMCHandler( aRegistry , aFs ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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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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// CWidgetMMCHandler::CWidgetMMCHandler() |
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// C++ default constructor |
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// |
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// @since 3.1 |
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// ============================================================================ |
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// |
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CWidgetMMCHandler::CWidgetMMCHandler( CWidgetRegistry& aRegistry, |
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RFs& aFs ) |
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: CActive( CActive::EPriorityStandard ), |
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iRegistry( &aRegistry ), |
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iFs( aFs ), |
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iDriveFlags( 0 ) |
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{ |
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CActiveScheduler::Add( this ); |
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} |
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// ============================================================================ |
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// CWidgetMMCHandler::ConstructL() |
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// Symbian default constructor |
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// |
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// @since 3.1 |
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// ============================================================================ |
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// |
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void CWidgetMMCHandler::ConstructL() |
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{ |
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LOG_CONSTRUCTL; |
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if ( KErrNone != ScanDrives( iDriveFlags ) ) |
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{ |
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iDriveFlags = 0; |
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} |
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iDeltaDriveFlags = 0; |
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iApaAppListNotifier = CApaAppListNotifier::NewL(this,CActive::EPriorityStandard); |
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} |
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// ============================================================================ |
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// CWidgetMMCHandler::~CWidgetMMCHandler() |
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// destructor |
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// |
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// @since 3.1 |
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// ============================================================================ |
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CWidgetMMCHandler::~CWidgetMMCHandler() |
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{ |
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Cancel(); |
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LOG_DESTRUCT; |
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} |
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// ============================================================================ |
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// CWidgetMMCHandler::Start() |
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// Start monitoring. |
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// |
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// @since 5.0 |
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// ============================================================================ |
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void CWidgetMMCHandler::Start() |
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{ |
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iFs.NotifyChange( ENotifyDisk, iStatus ); |
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SetActive(); |
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} |
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// ============================================================================ |
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// CWidgetMMCHandler::RunL() |
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// Handle notifications of MMC events. |
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// |
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// @since 3.1 |
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// ============================================================================ |
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void CWidgetMMCHandler::RunL() |
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{ |
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LOG_OPEN; |
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LOG1( "MMC notification status %d", iStatus.Int() ); |
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|
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TInt status = iStatus.Int(); |
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|
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// Request the notification before scanning |
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iFs.NotifyChange( ENotifyDisk, iStatus ); |
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SetActive(); |
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|
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if ( status == KErrNone ) |
0
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{ |
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TInt driveFlags = 0; |
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TInt deltaDriveFlags = 0; |
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if ( KErrNone == ScanDrives( driveFlags ) ) |
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{ |
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LOG1( " iDriveFlags 0x%x", iDriveFlags ); |
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LOG1( " driveFlags 0x%x", driveFlags ); |
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deltaDriveFlags = iDriveFlags ^ driveFlags; |
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iDeltaDriveFlags |= deltaDriveFlags; |
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LOG1( " deltaDriveFlags 0x%x", deltaDriveFlags ); |
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iDriveFlags = driveFlags; |
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} |
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} |
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LOG( "MMC notification done" ); |
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LOG_CLOSE; |
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} |
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|
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// ============================================================================ |
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// CWidgetMMCHandler::RunError() |
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// Ignore errors from RunL. |
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// |
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// @since 5.0 |
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// ============================================================================ |
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TInt CWidgetMMCHandler::RunError( TInt /* aError */ ) |
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{ |
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LOG_CLOSE; |
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return KErrNone; // indicates error was handled |
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} |
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|
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// ============================================================================ |
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// CWidgetMMCHandler::DoCancel() |
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// Cancel the MMC event handler |
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// |
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// @since 3.1 |
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// ============================================================================ |
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void CWidgetMMCHandler::DoCancel() |
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{ |
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LOG_CLOSE; |
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iFs.NotifyChangeCancel(); |
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} |
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|
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/* Scans drives and records a bit flag for those that exist and are |
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* suitable for installing widgets to. |
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*/ |
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TInt CWidgetMMCHandler::ScanDrives( TInt& aDriveFlags ) |
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{ |
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LOG_OPEN; |
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LOG( "ScanDrives" ); |
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// List all drives in the system |
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TDriveList driveList; |
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TInt error = iFs.DriveList( driveList ); |
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if ( KErrNone == error ) |
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{ |
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for ( TInt driveNumber = EDriveY; |
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driveNumber >= EDriveA; |
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driveNumber-- ) |
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{ |
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// The drives that will be filtered out are the same ones that |
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// WidgetInstaller filters out in CWidgetUIHandler::SelectDriveL() |
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if ( (EDriveD == driveNumber) |
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|| !driveList[driveNumber] ) |
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{ |
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// EDriveD is a temporary drive usually a RAM disk |
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continue; |
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} |
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|
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TVolumeInfo volInfo; |
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if ( iFs.Volume( volInfo, driveNumber ) != KErrNone ) |
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{ |
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// volume is not usable (e.g. no media card inserted) |
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continue; |
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} |
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if ( (volInfo.iDrive.iType == EMediaNotPresent) || |
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(volInfo.iDrive.iType == EMediaRom) || |
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(volInfo.iDrive.iType == EMediaRemote) || |
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(volInfo.iDrive.iDriveAtt & KDriveAttRom) || |
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(volInfo.iDrive.iDriveAtt & KDriveAttSubsted) ) |
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{ |
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// not a suitable widget install drive |
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continue; |
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} |
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|
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// found a usable drive |
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aDriveFlags |= (1 << driveNumber); |
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LOG2( " drive %d, flags 0x%x", driveNumber, aDriveFlags ); |
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} |
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} |
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LOG1( "ScanDrives done, error %d", error ); |
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LOG_CLOSE; |
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return error; |
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} |
36
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215 |
|
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void CWidgetMMCHandler::HandleAppListEvent(TInt aEvent) |
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{ |
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TBool dirtyFlag = EFalse; |
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TInt parseError = KErrNone; |
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if ( iDeltaDriveFlags ) |
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{ |
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// Assume usual case and things are consistent |
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// and the registry entry file can be parsed and used. |
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TRAPD( error, iRegistry->InternalizeL( ETrue, |
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ETrue, |
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dirtyFlag, |
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parseError ) ); |
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if ( KErrNone == error ) |
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{ |
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// internalize consistency enforcement may have altered registry |
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if ( dirtyFlag ) |
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{ |
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TRAP_IGNORE( iRegistry->ExternalizeL(); ); |
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} |
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} |
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iDeltaDriveFlags = 0; |
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|
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CWidgetRegistry::NotifyWidgetAltered(); |
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} |
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} |