--- a/filesystemuis/memstatepopup/src/cmemstatepopupimpl.cpp Thu Aug 19 09:42:45 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,415 +0,0 @@
-/*
-* 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: Memory state popup implementation
-*
-*/
-
-
-// SYSTEM INCLUDES
-#include <e32std.h>
-#include <AknProgressDialog.h>
-#include <aknlists.h>
-#include <ConeResLoader.h>
-#include <bautils.h>
-#include <StringLoader.h>
-#include <aknPopup.h>
-#include <memstatepopup.rsg>
-#include <f32file.h>
-#include <data_caging_path_literals.hrh>
-
-// USER INCLUDES
-#include "msputil.h"
-#include "cmemstatepopup.h"
-#include "cmemstatepopupimpl.h"
-#include "cmemscaneventreceiver.h"
-
-// CONSTANTS
-_LIT( KDirAndFile,"Z:MemStatePopup.RSC" );
-_LIT( KMemListSeparator, "\t" );
-
-// Max length of a list row
-// Has to be big enough to hold "%N %U"
-const TInt KListItemMaxLength = 32;
-
-// ---------------------------------------------------------------------------
-
-CMemStatePopupImpl::~CMemStatePopupImpl( )
- {
- Cancel();
- // Close the resource
- iResLoader.Close( );
-
- if( iWaitDialog )
- {
- iWaitDialog->SetObserver( NULL );
- delete iWaitDialog;
- }
-
- delete iEventReceiver; // deletes also scan engine and server
-
- delete iGroupNames;
- delete iListModel;
- delete iListBox;
- delete iScanResults;
-
-
- if( iOwnsUtil )
- {
- // Delete only if the actual dialog was launched
- delete iUtil;
- }
-
- // Try to delete also iPopup in case of leave
- // Must call CBase's destructor
- // because CAknPopupList destructor is protected
- delete ( CBase* ) iPopup;
- }
-
-// ---------------------------------------------------------------------------
-
-CMemStatePopupImpl::CMemStatePopupImpl( TDriveNumber aDrive, const TDesC& aTitle ) :
- CActive(EPriorityStandard),
- iFinished( EFalse ),
- iDrive( aDrive ),
- iTitle( const_cast<TDesC*> (&aTitle) ),
- iCoeEnv( *CCoeEnv::Static( ) ),
- iResLoader( iCoeEnv ),
- iOwnsUtil( ETrue )
- {
- CActiveScheduler::Add(this);
- }
-
-// ---------------------------------------------------------------------------
-
-// Used by GetUtilL
-CMemStatePopupImpl::CMemStatePopupImpl( ) :
- CActive(EPriorityStandard),
- iFinished( EFalse ),
- iDrive( EDriveC ),
- iCoeEnv( *CCoeEnv::Static( ) ),
- iResLoader( iCoeEnv ),
- iOwnsUtil( EFalse )
- {
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::ConstructL( )
- {
- OpenResourceAndReadArrayL( );
-
- // Instantiate event receiver, memory scan engine and server
- iEventReceiver = CMemScanEventReceiver::NewL( *this );
-
- // Get data group names from engine
- iGroupNames = iEventReceiver->DataGroupsL( );
-
- // Create popup
- ConstructPopupL( );
-
- // Create wait dialog
- iWaitDialog = new( ELeave ) CAknWaitDialog(
- reinterpret_cast< CEikDialog** >( &iWaitDialog ) );
- iWaitDialog->SetCallback( this );
- iWaitDialog->PrepareLC( R_MEMSTATE_WAIT_NOTE );
-
- StartObserver();
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::RunLD( TDriveNumber aDrive, const TDesC& aTitle )
- {
- CMemStatePopupImpl* self = new( ELeave ) CMemStatePopupImpl( aDrive, aTitle );
- CleanupStack::PushL( self );
- self->ConstructL( );
-
- // Run the actual process
- self->ExecuteL( );
-
- CleanupStack::PopAndDestroy( self );
- }
-
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::GetUtilL( CMSPUtil*& aUtil )
- {
- CMemStatePopupImpl* self = new( ELeave ) CMemStatePopupImpl;
- CleanupStack::PushL( self );
-
- // Read the unit array from resource
- self->OpenResourceAndReadArrayL( );
- aUtil = self->iUtil; // iUtil is not deleted
-
- CleanupStack::PopAndDestroy( self );
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::StartL( )
- {
-#ifdef _DEBUG
- RDebug::Print( _L( "Scanning started!" ) );
-#endif
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::QuitL( TInt /*aReason*/ )
- {
-#ifdef _DEBUG
- RDebug::Print( _L( "Scanning ended!" ) );
-#endif
- if( !iFinished )
- {
- // Tell waitdialog that it can quit now
- iWaitDialog->ProcessFinishedL( );
- iFinished = ETrue;
- }
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::ErrorL( TInt aError )
- {
-#ifdef _DEBUG
- RDebug::Print( _L( "Error scanning memory: %d" ), aError );
-#endif
-
- // getting rid of UREL compiler warning
- if( !aError )
- {
- aError = KErrNone;
- }
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::DialogDismissedL( TInt aButtonId )
- {
-
- // Cancel is pressed while scanning is in progress
- if( iEventReceiver->ScanInProgress( ) )
- {
- iFinished = ETrue;
- iEventReceiver->Cancel( ); // Stop scanning
- }
-
- // Cancel is pressed while wait note is on screen (scanning may be completed)
- if( aButtonId == EAknSoftkeyCancel ) // instead of EAknSoftkeyDone
- {
- iPopup->CancelPopup( ); // Remove memory state popup from screen
- return;
- }
-
- // Get the new result array
- delete iScanResults;
- iScanResults = NULL;
- TRAPD( err, iScanResults = iEventReceiver->ScanResultL( ) );
- if( err != KErrNone )
- {
- iPopup->CancelPopup( ); // Remove memory state popup from screen
- return;
- }
- RefreshL( );
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::ConstructPopupL( )
- {
- iListBox = new( ELeave ) CMemStateListBox( );
-
- iPopup = CAknPopupList::NewL( iListBox, R_AVKON_SOFTKEYS_OK_EMPTY,
- AknPopupLayouts::EMenuGraphicHeadingWindow );
- iPopup->SetTitleL( *iTitle );
-
- // Set up listbox
- iListBox->ConstructL( iPopup, EAknListBoxViewerFlags );
-
- // Create listbox model and give the model to the listbox
- iListModel = new( ELeave ) CDesCArraySeg( iGroupNames->Count( ) );
-
- // Create scroll indicator
- iListBox->CreateScrollBarFrameL( ETrue );
- iListBox->ScrollBarFrame( )->SetScrollBarVisibilityL(
- CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto );
- iListBox->Model( )->SetItemTextArray( iListModel );
- iListBox->Model( )->SetOwnershipType( ELbmDoesNotOwnItemArray );
- iListBox->ItemDrawer()->ColumnData()->EnableMarqueeL( ETrue );
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::ExecuteL( )
- {
- // Show wait dialog
- iWaitDialog->RunLD( );
-
- // Start the scanning
- User::LeaveIfError(iEventReceiver->ScanL( iDrive ));
-
- // Get the result array
- iScanResults = iEventReceiver->ScanResultL( );
-
- // Set all results zero, so that no actual results are shown
- // before the scan is done.
- NullifyResults( );
-
- // Update the list with initial values (0's)
- RefreshL( );
-
- // Show popup
- iPopup->ExecuteLD( );
- iPopup = NULL; // Has to be set NULL because deleted in destructor
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::RefreshL( )
- {
- //TBuf< KListItemMaxLength > result;
- TBuf< KListItemMaxLength > unitText;
- TBuf< KListItemMaxLength > tempText;
- TPtrC unit;
- TInt64 res64( 0 );
- TInt count( iScanResults ? iScanResults->Count( ) : 0 );
- TInt maxGroupName(0);
-
- for( TInt i = 0; i < iGroupNames->Count(); i++ )
- {
- if( maxGroupName < ( *iGroupNames )[ i ].Length() )
- {
- maxGroupName = ( *iGroupNames )[ i ].Length();
- }
- }
-
- // Allocate memory for size, unit text and actual group name
- HBufC* result = HBufC::NewLC( maxGroupName + 2*KListItemMaxLength );
- TPtr resultPtr( result->Des() );
- HBufC* unitFormatter = StringLoader::LoadLC( R_UNIT_FORMATTER, &iCoeEnv );
-
- iListModel->Reset( );
-
- // Go through the result array and append to the model as text
- for( TInt i = 0; i < count; i++ )
- {
- res64 = ( *iScanResults )[ i ];
-
- unit.Set( iUtil->SolveUnitAndSize( res64 ) );
- StringLoader::Format( tempText, *unitFormatter, 0, I64INT( res64 ) );
- StringLoader::Format( unitText, tempText, 1, unit );
- resultPtr.Zero( );
-
- // The actual listbox row is constructed here
- // iListModel is just an array of descriptors
- if ( User::Language() == ELangArabic )
- {
- resultPtr.Append( KRightToLeftMark );
- }
- resultPtr.Append( unitText );
- resultPtr.Append( KMemListSeparator );
- if( i < iGroupNames->Count() )
- {
- resultPtr.Append( ( *iGroupNames )[ i ] );
- }
- else
- {
- resultPtr.Append( ( *iGroupNames )[ 0 ] );
- }
- iListModel->AppendL( resultPtr );
- }
-
- CleanupStack::PopAndDestroy( unitFormatter );
- CleanupStack::PopAndDestroy( result );
-
- // Update the listbox
- iListBox->HandleItemAdditionL( );
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::NullifyResults( )
- {
- // Set all results to zero
- if( iScanResults )
- {
- TInt count( iScanResults->Count( ) );
- for( TInt t = 0; t < count; t++ )
- {
- ( *iScanResults )[ t ] = 0;
- }
- }
- }
-
-// ---------------------------------------------------------------------------
-
-void CMemStatePopupImpl::OpenResourceAndReadArrayL( )
- {
- // Open dll resource
-
- TParse* fp = new(ELeave) TParse();
- fp->Set(KDirAndFile, &KDC_RESOURCE_FILES_DIR, NULL);
- TFileName fileName( fp->FullName() );
- delete fp;
-
- BaflUtils::NearestLanguageFile( iCoeEnv.FsSession( ),
- fileName );
- iResLoader.OpenL( fileName );
-
- // Read localised unit texts from resource
- TResourceReader reader;
- iCoeEnv.CreateResourceReaderLC( reader, R_ARRAY_UNITS );
- CDesCArrayFlat* units = reader.ReadDesCArrayL( );
- CleanupStack::PushL( units );
- iUtil = CMSPUtil::NewL( units ); // Give the array to the util class
- CleanupStack::Pop( units );
- CleanupStack::PopAndDestroy(); // Private HBufC8* variable
- // of CreateResourceReaderLC()
- }
-
-// ---------------------------------------------------------------------------
-void CMemStatePopupImpl::RunL()
- {
- TVolumeInfo volInfo;
- TInt err = iCoeEnv.FsSession().Volume( volInfo, iDrive );
- if(err != KErrNone)
- {
- iPopup->CancelPopup( );
- }
- else
- {
- StartObserver();
- }
- }
-
-// ---------------------------------------------------------------------------
-void CMemStatePopupImpl::DoCancel()
- {
- iCoeEnv.FsSession().NotifyChangeCancel();
- }
-
-// ---------------------------------------------------------------------------
-void CMemStatePopupImpl::StartObserver()
- {
- if ( IsActive() )
- {
- Cancel();
- }
- iCoeEnv.FsSession().NotifyChange( ENotifyDisk, iStatus );
- SetActive();
- }
-
-// End of File