diff -r f40128debb5d -r e0d6e9bd3ca7 javamanager/javabackup/midp2backup_usif/src.s60/midp2backupplugin.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javamanager/javabackup/midp2backup_usif/src.s60/midp2backupplugin.cpp	Tue Jul 06 14:10:26 2010 +0300
@@ -0,0 +1,637 @@
+/*
+* Copyright (c) 2008-2009 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:  Implementation of Midp2BackupPlugin
+*
+*/
+
+
+#include "midp2backupplugin.h"
+#include "midp2backupdataids.h"
+#include "apparcbackuputil.h"
+#include "javastoragebackuputil.h"
+#include "javaversionbackuputil.h"
+
+#include "javastoragenames.h"
+#include "javastorageentry.h"
+#include "javastorage.h"
+
+#include "javacommonutils.h"
+#include "logger.h"
+
+#include <connect/sbdefs.h>
+#include <s32mem.h>
+#include <s32file.h>
+#include <f32file.h>
+#include <apgcli.h>
+
+
+using namespace std;
+using namespace java::storage;
+using namespace java::backup;
+
+// ======== MEMBER FUNCTIONS ========
+
+CMidp2BackupPlugin::CMidp2BackupPlugin()
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin constructor");
+}
+
+void CMidp2BackupPlugin::ConstructL()
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::ConstructL");
+
+    iIconDescIndex = 0;
+    iBufferSpaceLeft = 0;
+    iFirstCallToGetBackupDataSection = ETrue;
+    iStorageDataBackup = ETrue;
+    iStorageDataRestore = ETrue;
+    iJavaVersionInfoWritten = EFalse;
+    iRestoreState = EVersion;
+
+    User::LeaveIfError(iFs.Connect());
+    // to share file handles with AppArc
+    User::LeaveIfError(iFs.ShareProtected());
+
+    iStorageBackupUtil = CStorageBackupUtil::NewL();
+    iAppArcUtil = CAppArcBackupUtil::NewL(iFs);
+}
+
+CMidp2BackupPlugin* CMidp2BackupPlugin::NewL()
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::NewL");
+
+    CMidp2BackupPlugin* self = new(ELeave) CMidp2BackupPlugin();
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop();
+
+    return self;
+}
+
+CMidp2BackupPlugin::~CMidp2BackupPlugin()
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin destructor");
+
+    iFs.Close();
+    iIconUidArray.Close();
+    delete iAppArcUtil;
+    delete iIconDesc;
+    delete iRestoreIconDesc;
+    delete iStorageBackupUtil;
+}
+
+// from base class CBackupPlugin
+
+void CMidp2BackupPlugin::PrepareForBURL(TInt aBackupStateValue)
+{
+    (void)aBackupStateValue;  // Just to suppress a warning in release builds
+    LOG1(EBackup, EInfo, "CMidp2BackupPlugin::PrepareForBURL, BUR state: %d", aBackupStateValue);
+}
+
+void CMidp2BackupPlugin::ReceiveSnapshotDataL(TDriveNumber /* aDrive */, TDesC8& /* aBuffer */, TBool /* aLastSection */)
+{
+    JELOG2(EBackup);
+    User::Leave(KErrNotSupported);
+}
+
+TUint CMidp2BackupPlugin::GetExpectedDataSize(TDriveNumber /* aDrive */)
+{
+    JELOG2(EBackup);
+    return 0;
+}
+
+void CMidp2BackupPlugin::GetSnapshotDataL(TDriveNumber /* aDrive */, TPtr8& /* aBuffer */, TBool& /* aFinished */)
+{
+    JELOG2(EBackup);
+    User::Leave(KErrNotSupported);
+}
+
+void CMidp2BackupPlugin::InitialiseGetBackupDataL(TDriveNumber aDrive)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::InitialiseGetBackupDataL");
+    iDrive = aDrive;
+}
+
+void CMidp2BackupPlugin::GetBackupDataSectionL(TPtr8& aBuffer, TBool& aFinished)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::GetBackupDataSectionL");
+
+    iBufferSpaceLeft = aBuffer.MaxLength();
+    RDesWriteStream stream(aBuffer);
+    CleanupClosePushL(stream);
+
+    if (!iJavaVersionInfoWritten)
+    {
+        JavaVersionBackupUtil::WriteJavaVersionL(stream);
+        iJavaVersionInfoWritten = ETrue;
+        iBufferSpaceLeft -= 8;
+    }
+
+    if (iStorageDataBackup)
+    {
+        iStorageBackupUtil->BackupStorageDataL(stream, iStorageDataBackup, iBufferSpaceLeft);
+        aFinished = EFalse;
+    }
+
+    else
+    {
+        if (iFirstCallToGetBackupDataSection)
+        {
+            LOG(EBackup, EInfo, "First Call To GetBackupDataSection");
+            // Get the uids of midlets whose icons are to be backed up
+            iIconFilePointer = 0;
+            ResetIconArray();
+            iAppArcUtil->GetMidletsFromAppArcL(iIconUidArray, iDrive);
+
+            /* Streaming MMC's unique Id, if current drive is MMC
+               and there's at least one midlet on the drive*/
+            if (iIconUidArray.Count() > 0 && iDrive >= EDriveE && iDrive <= EDriveZ)
+            {
+                TUint32 mmcId = MmcIdL();
+
+                if (mmcId != 0)
+                {
+                    LOG1(EBackup,EInfo, "Write MMC id: %u", mmcId);
+                    stream.WriteUint32L(mmcId);
+                    iBufferSpaceLeft -= sizeof(mmcId);
+                }
+            }
+            // Setting flag to EFalse
+            iFirstCallToGetBackupDataSection = EFalse;
+        }
+
+        // Next icon uid and filename
+        TUid currentUid;
+        HBufC* fullFileName = NULL;
+
+        // Streaming leftover part of icon file
+        if (iIconDescIndex)
+        {
+            LOG(EBackup, EInfo, "Streaming leftover part of icon file");
+
+            /* if the icon file is bigger than the space in the buffer, write only
+             part of it and fill iLeftover with remaining part. */
+            if (iIconDesc->Size() - iIconDescIndex > iBufferSpaceLeft)
+            {
+                stream.WriteL(iIconDesc->Mid(iIconDescIndex), iBufferSpaceLeft);
+                iIconDescIndex += iBufferSpaceLeft;
+            }
+            else
+            {
+                stream.WriteL(iIconDesc->Mid(iIconDescIndex));
+                iIconDescIndex = 0;
+            }
+
+            aFinished = EFalse;
+        }
+
+        // Get new icon file
+        else if (NextIcon(currentUid, fullFileName))
+        {
+            LOG1(EBackup, EInfo, "New icon file, id: %d", currentUid.iUid);
+
+            // Readstream for icon file
+            RFileReadStream fileStream;
+
+            User::LeaveIfError(fileStream.Open(iFs, *fullFileName, EFileRead));
+            CleanupClosePushL(fileStream);
+
+            TEntry* entry = new(ELeave) TEntry();
+            CleanupStack::PushL(entry);
+
+            iFs.Entry(*fullFileName, *entry);
+            TInt32 size = entry->iSize;
+
+            // Write icon file content into iIconDesc
+            LOG(EBackup, EInfo, "Write icon file content into iIconDesc");
+            delete iIconDesc;
+            iIconDesc = NULL;
+            iIconDesc = HBufC8::NewL(size);
+
+            TPtr8 buf = iIconDesc->Des();
+            fileStream.ReadL(buf, size);
+
+            // get the group name of the midlet from AppArc
+            TBuf< KApaMaxAppGroupName >groupName(iAppArcUtil->GetMidletGroupName(currentUid));
+            TInt groupNameSize = groupName.Size();
+
+            // Write the size of the data
+            LOG(EBackup,EInfo, "Write the size of the data");
+
+            TParsePtrC parse(*fullFileName);
+            TPtrC fileName = parse.NameAndExt();
+            TInt32 fileNameSize = fileName.Size();
+
+            stream.WriteInt32L(sizeof(TUid)    // Uid
+                               + sizeof(TInt32)   // fileNameSize
+                               + fileNameSize // filename
+                               + sizeof(TInt32)   // number of icons
+                               + sizeof(TInt32)   // groupnamesize
+                               + groupNameSize
+                               + size // icon file
+                              );
+            iBufferSpaceLeft -= sizeof(TInt32);
+
+            // Write the Uid of the midlet
+            LOG(EBackup, EInfo, "Write the Uid of the midlet");
+            stream.WriteInt32L(currentUid.iUid);
+            iBufferSpaceLeft -= sizeof(TUid);
+
+            // Write the size of the icon filename
+            LOG(EBackup, EInfo, "Write the size of the icon filename");
+            stream.WriteInt32L(fileNameSize);
+            iBufferSpaceLeft -= sizeof(TInt32);
+
+            // Write icon filename
+            LOG(EBackup, EInfo, "Write icon filename");
+            stream.WriteL(fileName);
+            iBufferSpaceLeft -= fileNameSize;
+
+            // Write number of icons in midlet
+            LOG(EBackup, EInfo, "Write number of icons in midlet");
+            TInt iconCount;
+            iAppArcUtil->NumberOfOwnDefinedIcons(TUid::Uid(currentUid.iUid), iconCount);
+            stream.WriteInt32L(iconCount);
+            iBufferSpaceLeft -= sizeof(TInt32);
+
+            // TPtr8 groupName(iAppArcUtil->GetMidletGroupName(currentUid));
+            LOG(EBackup, EInfo, "Write the size of the Group name of the midlet");
+            stream.WriteInt32L(groupNameSize);
+            iBufferSpaceLeft -= sizeof(TInt32);
+
+            if (groupNameSize != 0)
+            {
+                LOG(EBackup, EInfo, "Write the Group name of the midlet");
+                stream.WriteL(groupName);
+                iBufferSpaceLeft -= groupNameSize;
+            }
+
+            /* if the icon file is bigger than the space in the buffer,
+               write only part of it and fill iLeftover with remaining part */
+            LOG(EBackup, EInfo, "Write icon");
+            if (size > iBufferSpaceLeft)
+            {
+                stream.WriteL(buf, iBufferSpaceLeft);
+                iIconDescIndex = iBufferSpaceLeft;
+            }
+            else
+            {
+                stream.WriteL(buf, size);
+                iIconDescIndex = 0;
+            }
+
+            aFinished = EFalse;
+
+            CleanupStack::PopAndDestroy(&fileStream);
+            CleanupStack::PopAndDestroy(entry);
+        }
+
+        else
+        {
+            aFinished = ETrue;
+            iFirstCallToGetBackupDataSection = ETrue;
+            iStorageDataBackup = ETrue;
+        }
+
+        delete fullFileName;
+    }
+    CleanupStack::PopAndDestroy(&stream);
+}
+
+
+void CMidp2BackupPlugin::InitialiseRestoreBaseDataL(TDriveNumber aDrive)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::InitialiseRestoreBaseDataL");
+    iDrive = aDrive;
+}
+
+void CMidp2BackupPlugin::RestoreBaseDataSectionL(TDesC8& aBuffer, TBool aFinished)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::RestoreBaseDataSectionL");
+
+    iBufferSpaceLeft = aBuffer.Size();
+    RDesReadStream stream(aBuffer);
+    CleanupClosePushL(stream);
+    TBool versionCheck = ETrue;
+
+    if (((iRestoreState == EVersion) || (iRestoreState == EInstall)) && iBufferSpaceLeft >= 8)
+    {
+        if (iRestoreState == EInstall)
+        {
+            versionCheck = EFalse;
+        }
+        TUint ret = JavaVersionBackupUtil::CheckJavaVersionL(stream,iDrive,versionCheck);
+        if (1==ret)
+        {
+            // Here set the satus to restore finished, so that control goes back to SBE & SBE calls B&R for another drive
+            iRestoreState = EInstall;
+        }
+        else
+        {
+            /* version information has been written to stream.
+             So change restore state to restore storage data  */
+            iRestoreState = EStorage;
+        }
+        // version information is of length 8 bytes.
+        iBufferSpaceLeft -= 8;
+    }
+
+    if (iRestoreState == EStorage)
+    {
+        iStorageBackupUtil -> RestoreStorageDataL(stream, iRestoreState, iBufferSpaceLeft);
+    }
+
+    // Only at first call
+    if ((iRestoreState != EStorage && iRestoreState != EVersion) && (iRestoreState != EInstall))
+    {
+        if (iRestoreState == EAppArc)
+        {
+            // Making AppArc deregistrations
+            TRAPD(err, iAppArcUtil->DeregisterAppsL(iDrive));
+
+            if (err)
+            {
+                ELOG(EBackup, "Leave in deregistering apps");
+            }
+        }
+
+        // Process the data buffer for restore
+        ProcessBufferL(stream);
+
+        if (aFinished)
+        {
+            // Set state to EStorage
+            iRestoreState = EStorage;
+        }
+    }
+
+    aFinished = ETrue;
+    CleanupStack::PopAndDestroy(&stream);
+}
+
+void CMidp2BackupPlugin::InitialiseRestoreIncrementDataL(TDriveNumber /* aDrive */)
+{
+    JELOG2(EBackup);
+    User::Leave(KErrNotSupported);
+}
+
+void CMidp2BackupPlugin::RestoreIncrementDataSectionL(TDesC8& /* aBuffer */, TBool /* aFinished */)
+{
+    JELOG2(EBackup);
+    User::Leave(KErrNotSupported);
+}
+
+void CMidp2BackupPlugin::RestoreComplete(TDriveNumber /* aDrive */)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::RestoreComplete");
+}
+
+TUint CMidp2BackupPlugin::MmcIdL()
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::MmcIdL()");
+
+    TVolumeInfo* volumeInfo = new(ELeave) TVolumeInfo();
+
+    TInt err = iFs.Volume(*volumeInfo, iDrive);
+
+    if (!err)
+    {
+        TUint mmcId = volumeInfo->iUniqueID;
+        return mmcId;
+    }
+    else
+    {
+        return 0;
+    }
+
+
+}
+
+void CMidp2BackupPlugin::ProcessBufferL(RDesReadStream& stream)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::ProcessBuffer()");
+
+    // Cycle until there's data in the buffer
+    while (iBufferSpaceLeft > 0)
+    {
+        switch (iRestoreState)
+        {
+        case EAppArc:
+            ProcessFirstBufferL(stream, iBufferSpaceLeft);
+            break;
+
+        case EInIcon:
+            ProcessInIconL(stream, iBufferSpaceLeft);
+            break;
+
+        case EInSize:
+            ProcessInSizeL(stream, iBufferSpaceLeft);
+            break;
+
+        default:
+            CleanupStack::PopAndDestroy(&stream);
+            User::Leave(KErrNotSupported);
+        }
+    }
+}
+
+
+_LIT(KStarWildCard, "*.*");
+
+void CMidp2BackupPlugin::RestoreMmcRegistryL()
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::RestoreMmcRegistry()");
+
+    /* If backed up MMC is not the same as the current MMC, copy the entries
+       from the directory of the backed up MMC to the directory
+       of the current MMC */
+    TUint32 mmc = MmcIdL();
+
+    if (iBackupMmc != mmc)
+    {
+        // Create path to old place
+        TPath path_old;
+        CreateMmcPath(path_old, iDrive, iBackupMmc);
+
+        // Create path to new place
+        TPath path_new;
+        CreateMmcPath(path_new, iDrive, mmc);
+
+        // Get old files list
+        CFileMan* fileMan = CFileMan::NewL(iFs);
+
+        CleanupStack::PushL(fileMan);
+
+        // Copy to new place
+        iFs.MkDir(path_new);
+        path_old.Append(KStarWildCard);
+        TInt  err = fileMan->Copy(path_old, path_new);
+
+        ILOG1(EBackup, "File copy, status: %d", err);
+
+        User::LeaveIfError(err);
+
+        CleanupStack::PopAndDestroy();
+    }
+}
+
+_LIT(KPrivatePath, "C:\\private\\");
+
+void CMidp2BackupPlugin::CreateMmcPath(TDes& aPathName, TInt aDrive, TUint aUniqueId)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::CreateMmcPath()");
+
+    aPathName.Zero();
+    aPathName.Append(KPrivatePath);
+    aPathName.AppendNum(KRegistryServerUid, EHex);
+    aPathName.Append(KPathDelimiter);
+
+    // append drive name
+    TDriveUnit driveUnit(aDrive);
+    aPathName.Append(driveUnit.Name().Left(1));
+    aPathName.Append(KPathDelimiter);
+
+    TUint64 id = aUniqueId;
+    aPathName.AppendNum(id, EHex);
+    aPathName.Append(KPathDelimiter);
+}
+
+TBool CMidp2BackupPlugin::NextIcon(TUid& aCurrentUid, HBufC*& aFullFileName)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::NextIcon()");
+
+    if (iIconUidArray.Count() > iIconFilePointer)
+    {
+        aCurrentUid = iIconUidArray[iIconFilePointer];
+        iAppArcUtil->GetIconFilename(iIconUidArray[iIconFilePointer], aFullFileName);
+        iIconFilePointer++;
+        return ETrue;
+    }
+    else
+    {
+        // There are no more icon files
+        return EFalse;
+    }
+}
+
+void CMidp2BackupPlugin::ProcessFirstBufferL(RDesReadStream& aStream, TInt& aBufferSpaceLeft)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::ProcessFirstBuffer()");
+
+    if (iDrive >= EDriveE && iDrive <= EDriveZ)
+    {
+        // Read MMC id and restore MMC entries if needed
+        iBackupMmc = aStream.ReadUint32L();
+        aBufferSpaceLeft -= sizeof(iBackupMmc);
+        LOG1(EBackup, EInfo, "Read MMC Id: %u", iBackupMmc);
+        RestoreMmcRegistryL();
+    }
+    if (aBufferSpaceLeft >= sizeof(TInt32))
+    {
+        iIconFileSizeLeft = aStream.ReadInt32L();
+        aBufferSpaceLeft -= sizeof(iIconFileSizeLeft);
+        iRestoreIconDesc = HBufC8::NewL(iIconFileSizeLeft);
+        iRestoreState = EInIcon;
+    }
+    else
+    {
+        // No more data to read
+        aBufferSpaceLeft = 0;
+    }
+}
+
+void CMidp2BackupPlugin::ProcessInIconL(RDesReadStream& aStream, TInt& aBufferSpaceLeft)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::ProcessInIcon()");
+
+    TPtr8 restoreIconPtr = iRestoreIconDesc->Des();
+    HBufC8* tempDesc = HBufC8::NewL(iIconFileSizeLeft);
+    CleanupStack::PushL(tempDesc);
+    TPtr8 tempPtr = tempDesc->Des();
+
+    // Icon cannot be read fully
+    if (iIconFileSizeLeft > aBufferSpaceLeft)
+    {
+        aStream.ReadL(tempPtr, aBufferSpaceLeft);
+        restoreIconPtr.Append(tempPtr);
+        iIconFileSizeLeft -= aBufferSpaceLeft;
+        aBufferSpaceLeft = 0;
+        iRestoreState = EInIcon;
+    }
+    // Icon can be read fully
+    else
+    {
+        aStream.ReadL(tempPtr, iIconFileSizeLeft);
+        restoreIconPtr.Append(tempPtr);
+        aBufferSpaceLeft -= iIconFileSizeLeft;
+        iRestoreState = EInSize;
+
+        TRAPD(err, iAppArcUtil->RegisterAppL(restoreIconPtr, iDrive));
+
+        if (err)
+        {
+            ELOG(EBackup, "Registerin application to AppArc failed.");
+        }
+    }
+
+    CleanupStack::PopAndDestroy(tempDesc);
+}
+
+void CMidp2BackupPlugin::ProcessInSizeL(RDesReadStream& aStream, TInt& aBufferSpaceLeft)
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::ProcessInSize()");
+
+    if (aBufferSpaceLeft >= sizeof(TInt32))
+    {
+        if (iSizeBuffer.Size() != 0)
+        {
+            // Read leftover part of size
+            TInt readData = sizeof(TInt32) - iSizeBuffer.Size();
+            aStream.ReadL(iSizeBuffer, readData);
+            RMemReadStream sizeStream(iSizeBuffer.Ptr(), 4);
+            CleanupClosePushL(sizeStream);
+            iIconFileSizeLeft = sizeStream.ReadInt32L();
+            CleanupStack::PopAndDestroy(&sizeStream);
+            aBufferSpaceLeft -= sizeof(readData);
+        }
+        else
+        {
+            // Read size in full
+            iIconFileSizeLeft = aStream.ReadInt32L();
+            aBufferSpaceLeft -= sizeof(iIconFileSizeLeft);
+        }
+
+        delete iRestoreIconDesc;
+        iRestoreIconDesc = NULL;
+        iRestoreIconDesc = HBufC8::NewL(iIconFileSizeLeft);
+        iRestoreState = EInIcon;
+    }
+    else
+    {
+        // Read first byte(s) of size
+        aStream.ReadL(iSizeBuffer, aBufferSpaceLeft);
+        aBufferSpaceLeft = 0;
+    }
+}
+
+void CMidp2BackupPlugin::ResetIconArray()
+{
+    LOG(EBackup, EInfo, "CMidp2BackupPlugin::ResetIconArray()");
+
+    // Remove all entries
+    while (iIconUidArray.Count())
+    {
+        iIconUidArray.Remove(0);
+    }
+}