/*
* Copyright (c) 2006-2009 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: Monitors MMC insertions and removals.*
*/
#include "mmcmonitorplugin.h"
#include "harvesterlog.h"
#include "mdsfileserverpluginclient.h"
#include "fsutil.h"
#include "harvestercenreputil.h"
#include <driveinfo.h>
#ifdef __WINSCW__
#include <pathinfo.h>
#endif
#include <e32cmn.h>
_LIT( KColon, ":" );
// construct/destruct
CMMCMonitorPlugin* CMMCMonitorPlugin::NewL()
{
CMMCMonitorPlugin* self = new (ELeave) CMMCMonitorPlugin();
CleanupStack::PushL(self);
self->ConstructL();
CleanupStack::Pop(self);
return self;
}
void CMMCMonitorPlugin::ConstructL() // second-phase constructor
{
WRITELOG( "CMMCMonitorPlugin::ConstructL" );
User::LeaveIfError( iFs.Connect() );
iMMCMonitor = CMMCMonitorAO::NewL();
iMountTask = CMMCMountTaskAO::NewL();
iUsbMonitor = CMMCUsbAO::NewL();
iMdEClient = NULL;
}
CMMCMonitorPlugin::~CMMCMonitorPlugin() // destruct
{
WRITELOG( "CMMCMonitorPlugin::~CMMCMonitorPlugin" );
if (iMMCMonitor)
{
iMMCMonitor->StopMonitoring();
delete iMMCMonitor;
iMMCMonitor = NULL;
}
if (iUsbMonitor)
{
iUsbMonitor->StopMonitoring();
delete iUsbMonitor;
iUsbMonitor = NULL;
}
if (iMountTask)
{
delete iMountTask;
iMountTask = NULL;
}
delete iMmcScanner;
iMmcScanner = NULL;
delete iHddScanner;
iHddScanner = NULL;
iFs.Close();
}
TBool CMMCMonitorPlugin::StartMonitoring( MMonitorPluginObserver& aObserver,
CMdESession* aMdEClient, CContextEngine* /*aCtxEngine*/,
CHarvesterPluginFactory* aHarvesterPluginFactory )
{
WRITELOG( "CMMCMonitorPlugin::StartMonitoring" );
iObserver = &aObserver;
TRAPD( err, iMdEClient = CMdEHarvesterSession::NewL( *aMdEClient ) );
if( err != KErrNone )
{
return EFalse;
}
iMountTask->SetMonitorObserver( aObserver );
iMountTask->SetMdeSession( iMdEClient );
iMountTask->SetHarvesterPluginFactory( aHarvesterPluginFactory );
// get present media IDs before last shutdown
RArray<TMdEMediaInfo> medias;
TRAP_IGNORE( iMdEClient->GetPresentMediasL( medias ) );
// update db present status
TRAP( err, StartMonitoringAllMMCsL( medias ) );
if ( err != KErrNone )
{
return EFalse;
}
TChar driveLetter( 0 );
TBool presentState( EFalse );
TUint32 hdMediaId( 0 );
TBool hdPresent( EFalse );
hdMediaId = iMountTask->GetInternalDriveMediaId( hdPresent );
for( TInt i = medias.Count() - 1; i >=0; i-- )
{
TRAP_IGNORE( iMdEClient->GetMediaL( medias[i].iMediaId, driveLetter, presentState ) );
if ( presentState && medias[i].iMediaId != hdMediaId )
{
// scan MMC if card was in phone
if( iMmcScanner )
{
iMmcScanner->Cancel();
delete iMmcScanner;
iMmcScanner = NULL;
}
TRAP_IGNORE( iMmcScanner = CMmcScannerAO::NewL( medias[i].iMediaId, iMdEClient, iObserver,
aHarvesterPluginFactory, CActive::EPriorityUserInput ) );
}
}
if( hdMediaId == 0 || !hdPresent )
{
// Try to fetch internall mass storage media id again if it was not mounted
hdMediaId = iMountTask->GetInternalDriveMediaId( hdPresent );
}
// scan mass storage to catch all chances even if battery dies during operation that should be catched
if( hdMediaId )
{
TBool exists( EFalse );
TRAP_IGNORE( exists= iMdEClient->GetMediaL( hdMediaId, driveLetter, presentState ) );
if ( exists && hdPresent )
{
WRITELOG("CMMCMonitorPlugin::StartMonitoring - start mass storage scan");
TMdEMediaInfo hdInfo;
hdInfo.iMediaId = hdMediaId;
hdInfo.iDrive = driveLetter;
medias.Append( hdInfo );
TRAP_IGNORE( iHddScanner = CMmcScannerAO::NewL( hdMediaId, iMdEClient, iObserver,
aHarvesterPluginFactory, KHarvesterCustomImportantPriority ));
}
}
iMMCMonitor->StartMonitoring( *this, medias );
medias.Close();
return iUsbMonitor->StartMonitoring( *this );
}
TBool CMMCMonitorPlugin::StopMonitoring()
{
WRITELOG( "CMMCMonitorPlugin::StopMonitoring" );
iMMCMonitor->StopMonitoring();
return iUsbMonitor->StopMonitoring();
}
TBool CMMCMonitorPlugin::ResumeMonitoring( MMonitorPluginObserver& /*aObserver*/,
CMdESession* /*aMdEClient*/, CContextEngine* /*aCtxEngine*/,
CHarvesterPluginFactory* /*aHarvesterPluginFactory*/ )
{
WRITELOG( "CMMCMonitorPlugin::ResumeMonitoring" );
iMountTask->SetCachingStatus( EFalse );
return ETrue;
}
TBool CMMCMonitorPlugin::PauseMonitoring()
{
WRITELOG( "CMMCMonitorPlugin::PauseMonitoring" ); // DEBUG INFO
iMountTask->SetCachingStatus( ETrue );
return ETrue;
}
// constructor support
// don't export these, because used only by functions in this DLL, eg our NewLC()
CMMCMonitorPlugin::CMMCMonitorPlugin() // first-phase C++ constructor
{
// No implementation required
}
void CMMCMonitorPlugin::AddNotificationPathL( TChar aDrive )
{
WRITELOG( "CMMCMonitorPlugin::AddNotificationPath" );
// 1 in length is for aDrive
HBufC* path = HBufC::NewLC( 1 + KColon.iTypeLength );
TPtr pathPtr = path->Des();
pathPtr.Append( aDrive );
pathPtr.Append( KColon );
CHarvesterCenRepUtil* cenRepoUtil = CHarvesterCenRepUtil::NewLC();
cenRepoUtil->AddIgnorePathsToFspL( pathPtr );
cenRepoUtil->FspEngine().AddNotificationPath( pathPtr );
CleanupStack::PopAndDestroy( cenRepoUtil );
CleanupStack::PopAndDestroy( path );
}
void CMMCMonitorPlugin::MountEvent( TChar aDriveChar, TUint32 aMediaID, TMMCEventType aEventType )
{
WRITELOG( "CMMCMonitorPlugin::MountEvent" );
TMountData* mountData = NULL;
mountData = new TMountData;
if ( !mountData )
{
return;
}
if( aMediaID != 0 && aEventType == EMounted)
{
TUint status;
TInt drive;
iFs.CharToDrive( aDriveChar, drive );
if( DriveInfo::GetDriveStatus( iFs, drive, status ) == KErrNone )
{
//The "Out of disk space" mde query uses the MdE_Preferences table
if( !(status & DriveInfo::EDriveInternal) )
{
iMdEClient->AddMemoryCard( aMediaID );
}
}
}
mountData->iDrivePath.Append( aDriveChar );
mountData->iDrivePath.Append( KColon );
mountData->iMediaID = aMediaID;
switch ( aEventType )
{
case EMounted:
{
WRITELOG( "CMMCMonitorPlugin::MountEvent with parameter EMounted" );
mountData->iMountType = TMountData::EMount;
// If mass storage mounting was delayed in boot so that mount event
// occures in mmc monitor, update the mass storage media id in the
// db in case factory settings were reseted and mass storage formatted
TInt drive( -1 );
TInt internalMassStorageError( DriveInfo::GetDefaultDrive( DriveInfo::EDefaultMassStorage, drive ) );
if( internalMassStorageError == KErrNone )
{
TVolumeInfo internalMassStorageVolumeInfo;
internalMassStorageError = iFs.Volume( internalMassStorageVolumeInfo, drive );
if( internalMassStorageError == KErrNone )
{
const TUint32 massStorageMediaId( internalMassStorageVolumeInfo.iUniqueID );
if( massStorageMediaId == aMediaID &&
massStorageMediaId != 0 )
{
TUint32 mmcMediaId( 0 );
TInt mmcDrive( -1 );
TInt mmcError( DriveInfo::GetDefaultDrive( DriveInfo::EDefaultRemovableMassStorage, mmcDrive ) );
if( mmcError == KErrNone )
{
if( drive != mmcDrive )
{
TVolumeInfo mmcVolumeInfo;
mmcError = iFs.Volume( mmcVolumeInfo, mmcDrive );
if( mmcError == KErrNone )
{
mmcMediaId = mmcVolumeInfo.iUniqueID;
}
}
else
{
mmcMediaId = massStorageMediaId;
}
}
// If removable storage is not found, assume internal mass storage was mounted
if( mmcError )
{
iMdEClient->CheckMassStorageMediaId( massStorageMediaId );
}
else if( massStorageMediaId != mmcMediaId )
{
iMdEClient->CheckMassStorageMediaId( massStorageMediaId );
}
}
}
}
TRAPD(err, iMountTask->StartMountL( *mountData ))
if(err != KErrNone )
{
delete mountData;
mountData = NULL;
}
}
break;
case EDismounted:
{
if( aMediaID == 0 )
{
TRAP_IGNORE( mountData->iMediaID = FSUtil::GetPreviousMediaIDL( iMdEClient, aDriveChar ) );
}
if( mountData->iMediaID )
{
WRITELOG( "CMMCMonitorPlugin::MountEvent with parameter EDismounted" );
mountData->iMountType = TMountData::EUnmount;
TRAPD(err, iMountTask->StartUnmountL( *mountData ));
if(err != KErrNone )
{
delete mountData;
mountData = NULL;
}
}
else
{
delete mountData;
mountData = NULL;
}
}
break;
case EFormatted:
{
WRITELOG( "CMMCMonitorPlugin::MountEvent with parameter EFormatted" );
mountData->iMountType = TMountData::EFormat;
TRAPD(err, iMountTask->StartUnmountL( *mountData ));
if(err != KErrNone)
{
delete mountData;
mountData = NULL;
}
}
break;
default:
{
#ifdef _DEBUG
_LIT( KLogPanic, "unknown state" );
User::Panic( KLogPanic, KErrArgument );
#endif
}
break;
}
}
void CMMCMonitorPlugin::StartMonitoringAllMMCsL( RArray<TMdEMediaInfo>& aMedias )
{
WRITELOG( "CMMCMonitorPlugin::StartMonitoringAllMMCs" );
TDriveInfo driveInfo;
TDriveList driveList;
TInt numOfElements( 0 );
DriveInfo::GetUserVisibleDrives( iFs,
driveList,
numOfElements,
KDriveAttExclude | KDriveAttRemote | KDriveAttRom );
#ifdef __WINSCW__
TFileName systemPath = PathInfo::GetPath( PathInfo::EPhoneMemoryRootPath );
TInt systemDriveNum( -1 );
iFs.CharToDrive( systemPath[0], systemDriveNum );
#endif
TInt i( 0 );
TChar drive;
const TInt acount = driveList.Length();
const TInt mediaCount = aMedias.Count();
TInt count( 0 );
// set removed medias to not present
for ( i = 0; i < mediaCount; i++ )
{
TInt driveNum(0);
iFs.CharToDrive( aMedias[i].iDrive, driveNum );
TUint32 mediaId = FSUtil::MediaID( iFs, driveNum );
if ( mediaId != aMedias[i].iMediaId )
{
iMdEClient->SetMediaL( aMedias[i].iMediaId, aMedias[i].iDrive, EFalse );
}
}
for ( i = 0; i < acount; i++ )
{
#ifdef __WINSCW__
if ( i == systemDriveNum )
{
continue;
}
#endif
if ( driveList[i] > 0 )
{
TUint driveStatus( 0 );
DriveInfo::GetDriveStatus( iFs, i, driveStatus );
if ( driveStatus & DriveInfo::EDriveUsbMemory )
{
driveList[i] = 0;
continue;
}
iFs.Drive( driveInfo, i );
if( ( (driveStatus & DriveInfo::EDriveRemovable) ||
(driveInfo.iType == EMediaHardDisk && driveStatus & DriveInfo::EDriveInternal) ||
(driveInfo.iDriveAtt & KDriveAttLogicallyRemovable) ||
(driveInfo.iDriveAtt & KDriveAttRemovable) ) &&
(driveInfo.iType != EMediaNotPresent) )
{
count++; // DEBUG INFO
iFs.DriveToChar( i, drive );
// set media id to MdE
TUint32 mediaId = FSUtil::MediaID( iFs, i );
if ( mediaId != 0 )
{
iMdEClient->SetMediaL( mediaId, drive, ETrue );
AddNotificationPathL( drive );
}
}
}
}
WRITELOG1( "CMMCMonitorPlugin::StartMonitoringAllMMCs found %d MMCs", count );
}