harvester/monitorplugins/mmcplugin/src/mmcmonitorao.cpp
changeset 0 c53acadfccc6
child 1 acef663c1218
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/harvester/monitorplugins/mmcplugin/src/mmcmonitorao.cpp	Mon Jan 18 20:34:07 2010 +0200
@@ -0,0 +1,364 @@
+/*
+* 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:
+*
+*/
+
+#include <driveinfo.h>
+
+#ifdef __WINSCW__
+#include <pathinfo.h>
+#endif
+
+#include "harvesterlog.h"
+#include "harvestercommon.h"
+#include "mmcmonitorao.h"
+#include "mmcmonitorplugin.h"
+#include "fsutil.h"
+
+CMMCMonitorAO* CMMCMonitorAO::NewL()
+	{
+	WRITELOG( "CMMCMonitorAO::NewL" ); // DEBUG INFO
+	
+	CMMCMonitorAO* self = new (ELeave) CMMCMonitorAO();
+	CleanupStack::PushL( self );
+	self->ConstructL();
+	CleanupStack::Pop( self );
+	return self;
+	}
+
+void CMMCMonitorAO::ConstructL()
+	{
+	WRITELOG( "CMMCMonitorAO::ConstructL" ); // DEBUG INFO
+	
+	User::LeaveIfError( iFs.Connect() );
+	CActiveScheduler::Add( this );
+	for( TInt i=0; i<KMaxDrives; i++ )
+	    {
+	    iMediaIdList[i] = 0;
+	    }
+	}
+
+CMMCMonitorAO::~CMMCMonitorAO()
+	{
+	WRITELOG( "CMMCMonitorAO::~CMMCMonitorAO" ); // DEBUG INFO
+	
+	StopMonitoring();
+    iFs.Close();
+	}
+
+TBool CMMCMonitorAO::StartMonitoring( MMMCMonitorObserver& aObserver, RArray<TMdEMediaInfo>& aMedias )
+	{
+	WRITELOG( "CMMCMonitorAO::StartMonitoring" ); // DEBUG INFO
+
+	iObserver = &aObserver;
+	
+    BuildDriveList();
+    
+    for ( TInt i = 0; i < aMedias.Count(); i++ )
+    	{
+    	TInt drive(0);
+    	TInt err = iFs.CharToDrive( aMedias[i].iDrive, drive );
+    	if ( err == KErrNone )
+    		{
+    		WRITELOG2( "CMMCMonitorAO::StartMonitoring - set drive %d mediaid to %d ", drive, aMedias[i].iMediaId );
+    		iDriveList[drive] = 1; // fake value for startup (not KDriveAbsent)
+        	iMediaIdList[drive] = aMedias[i].iMediaId;
+    		}
+    	}
+    
+	iPreviousDriveList.Zero();
+	iPreviousDriveList.Copy( iDriveList );
+
+#ifdef _DEBUG
+	PrintAllLists();
+#endif
+
+	CompareDriveLists();
+
+	StartNotify();
+	
+	return ETrue;
+	}
+
+void CMMCMonitorAO::StartNotify()
+	{
+	WRITELOG( "CMMCMonitorAO::StartNotify with ENotifyEntry" ); // DEBUG INFO
+	
+	if( !IsActive() )
+		{
+		iFs.NotifyChange( ENotifyEntry, iStatus ); 
+		SetActive();                               
+		}
+	}
+
+TBool CMMCMonitorAO::StopMonitoring()
+	{
+	WRITELOG( "CMMCMonitorAO::StopNotify" ); // DEBUG INFO
+	
+	Cancel();
+	return ETrue;
+	}
+
+TBool CMMCMonitorAO::Resume()
+	{
+	WRITELOG( "CMMCMonitorAO::Resume" ); // DEBUG INFO
+
+	iPreviousDriveList.Zero();
+	iPreviousDriveList.Copy( iDriveList );
+
+	BuildDriveList();
+	CompareDriveLists();
+	StartNotify();
+	
+	return ETrue;
+	}
+
+TBool CMMCMonitorAO::Pause()
+	{
+	WRITELOG( "CMMCMonitorAO::Pause" ); // DEBUG INFO
+	
+	return StopMonitoring();
+	}
+
+void CMMCMonitorAO::RunL()
+	{
+#ifdef _DEBUG
+	WRITELOG1( "CMMCMonitorAO::RunL iStatus: %d", iStatus.Int() ); // DEBUG INFO
+#endif
+
+	if ( iStatus.Int() != KErrNone )
+		{
+		StartNotify();
+		return;
+		}
+
+	iPreviousDriveList.Zero();
+	iPreviousDriveList.Copy( iDriveList );
+
+	BuildDriveList();
+
+#ifdef _DEBUG
+	PrintAllLists();
+#endif
+
+	CompareDriveLists();
+
+#ifdef _DEBUG
+	PrintAllLists();
+#endif
+
+	StartNotify();
+	}
+
+#ifdef _DEBUG
+TInt CMMCMonitorAO::RunError( TInt aError )
+#else
+TInt CMMCMonitorAO::RunError( TInt )
+#endif
+	{
+	WRITELOG1( "CMMCMonitorAO::RunError with error code: %d", aError ); // DEBUG INFO
+	
+	StartNotify();
+	return KErrNone;
+	}
+
+void CMMCMonitorAO::DoCancel()
+	{
+	WRITELOG( "CMMCMonitorAO::DoCancel" ); // DEBUG INFO
+	
+	iFs.NotifyChangeCancel( iStatus );
+	}
+
+CMMCMonitorAO::CMMCMonitorAO() : CActive( KHarvesterPriorityMonitorPlugin ),
+    iObserver( NULL )
+	{
+	}
+
+void CMMCMonitorAO::BuildDriveList()
+	{
+	WRITELOG( "CMMCMonitorAO::BuildDriveList" ); // DEBUG INFO
+
+	iDriveList.Zero();
+    TInt numOfElements( 0 );
+    TInt err = DriveInfo::GetUserVisibleDrives( 
+    		iFs, iDriveList, numOfElements, 
+			KDriveAttExclude | KDriveAttRemote | KDriveAttRom );
+
+#ifdef __WINSCW__
+    TFileName systemPath = PathInfo::GetPath( PathInfo::EPhoneMemoryRootPath );
+    TInt systemDriveNum( -1 );
+    iFs.CharToDrive( systemPath[0], systemDriveNum );
+#endif
+    
+	if ( err != KErrNone )
+		{
+		WRITELOG1( "CMMCMonitorAO::BuildDriveList with error code: %d", err ); // DEBUG INFO
+		
+		return;
+		}
+
+	TDriveInfo driveInfo;
+	for ( TInt i=0; i < KMaxDrives; i++ )
+		{
+	
+#ifdef __WINSCW__
+        if ( i == systemDriveNum )
+            {
+            iDriveList[i] = 0;
+            continue;
+            }
+#endif
+	
+		if ( iDriveList[i] == KDriveAbsent )
+			{
+			continue;
+			}
+		err = iFs.Drive( driveInfo, i );
+		if ( err != KErrNone )
+			{
+			WRITELOG1( "CMMCMonitorAO::BuildDriveList with error code: %d", err ); // DEBUG INFO
+			}
+
+		TUint driveStatus;
+		err = DriveInfo::GetDriveStatus( iFs, i, driveStatus );
+		if ( err != KErrNone )
+			{
+			WRITELOG1( "CMMCMonitorAO::BuildDriveList with error code2: %d", err ); // DEBUG INFO
+			}
+
+#ifdef _DEBUG
+		if ( driveStatus & DriveInfo::EDriveInternal )
+			{
+			WRITELOG1("Drive %d is internal",i);
+			}		
+		
+		WRITELOG2("Drive %d type %d",i,driveInfo.iType);
+#endif
+		
+		if ( !( driveStatus & DriveInfo::EDriveRemovable ) )
+			{
+			WRITELOG1("Drive %d is not removable",i);
+			// check if driver is internal hard disk
+			if ( driveInfo.iType != EMediaHardDisk )
+				{
+				iDriveList[i] = 0;
+				continue;
+				}
+			else
+				{
+				WRITELOG1("Drive %d is hard disk",i);
+				}
+			}
+		
+		if( driveStatus & DriveInfo::EDriveUsbMemory )
+		    {
+            iDriveList[i] = 0;
+            continue;
+		    }
+
+		if ( driveInfo.iType == EMediaNotPresent )
+			{
+			WRITELOG1("Drive %d is not present",i);
+			iDriveList[i] = KDriveAbsent;
+			continue;
+			}
+
+		const TUint32 mediaId = FSUtil::MediaID(iFs, i);
+		if ( mediaId == 0 )
+			{
+			WRITELOG1("Drive %d: MediaId is 0",i);
+			iDriveList[i] = KDriveAbsent;
+			}
+		}
+	}
+
+void CMMCMonitorAO::CompareDriveLists()
+	{
+	WRITELOG( "CMMCMonitorAO::CompareDriveLists" ); // DEBUG INFO
+
+	for ( TInt i = 0; i < KMaxDrives; i++ )
+		{
+		if ( iDriveList[i] == KDriveAbsent && iPreviousDriveList[i] == KDriveAbsent )
+			{	
+			continue;
+			}
+
+		TChar chr;
+		iFs.DriveToChar( i, chr );
+		const TUint32 mediaId = FSUtil::MediaID(iFs, i);
+
+		if ( iDriveList[i] > KDriveAbsent && iPreviousDriveList[i] > KDriveAbsent )
+			{
+			if ( iMediaIdList[i] != mediaId )
+				{
+				WRITELOG3( "CMMCMonitorAO::CompareDriveLists media changed %d, old=%d, new=%d", i, iMediaIdList[i], mediaId ); // DEBUG INFO
+				// skip mount events if mediaId is 0
+				if ( iMediaIdList[i] != 0 )
+					{
+					iObserver->MountEvent( chr, iMediaIdList[i], EDismounted );
+					}
+				if ( mediaId != 0 )
+					{
+					iObserver->MountEvent( chr, mediaId, EMounted );
+					}
+				iMediaIdList[i] = mediaId;
+
+				}
+			continue;
+			}
+
+		if ( iDriveList[i] == KDriveAbsent )
+			{
+			WRITELOG1( "CMMCMonitorAO::CompareDriveLists Dismounted %d", i ); // DEBUG INFO
+			if ( mediaId )
+				{
+				iObserver->MountEvent( chr, mediaId, EDismounted );
+				}
+			else if ( iMediaIdList[i] )
+				{
+				iObserver->MountEvent( chr, iMediaIdList[i], EDismounted );
+				}
+			iMediaIdList[i] = 0;
+			}
+
+		if ( iPreviousDriveList[i] == KDriveAbsent )
+			{
+			WRITELOG1( "CMMCMonitorAO::CompareDriveLists Mounted %d", i ); // DEBUG INFO
+			iObserver->MountEvent( chr, mediaId, EMounted );
+			iMediaIdList[i] = mediaId;
+			}
+		}
+	}
+	
+#ifdef _DEBUG
+void CMMCMonitorAO::PrintAllLists()
+	{
+    WRITELOG( "CMMCMonitorAO::PrintAllLists()" );
+
+	for ( TInt i=0; i < KMaxDrives; i++ )
+		{
+		if ( !(iPreviousDriveList[i] == 0 && iDriveList[i] == 0 && iMediaIdList[i] == 0) )
+			{
+		    TInt32 drive;
+			drive = iPreviousDriveList[i];
+		    WRITELOG1( "CMMCMonitorAO::PrintAllLists() - Previous drive element: %d", drive );
+			drive = iDriveList[i];
+		    WRITELOG1( "CMMCMonitorAO::PrintAllLists() - Current drive element : %d", drive );
+			drive = iMediaIdList[i];
+		    WRITELOG1( "CMMCMonitorAO::PrintAllLists() - Current MediaId       : %d", drive );
+			}
+		}
+	}
+#endif