/*

* Copyright (c) 2002-2010 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: OMA DRM ContentAccess::CContent implementation

*

*/

// INCLUDE FILES

#include <caf/caf.h>

#include <caf/cafplatform.h>

#include <caf/bitset.h>

#include <caf/attribute.h>

#include <e32test.h>

#include <utf.h>

#include <SchemeHandler.h>

#include "Oma2AgentContent.h"

#include "Oma2AgentAttributes.h"

#include "Oma1Dcf.h"

#include "oma2dcf.h"

#include "symmetric.h"

#include "DRMRights.h"

#include "Oma2DcfPartInfo.h"

#include "DRMProtectedRoParser.h"

using namespace ContentAccess;

// LOCAL FUNCTION PROTOTYPES

LOCAL_C TInt MapContentShareMode(TContentShareMode aMode);

template<class S>

LOCAL_C void PointerArrayResetDestroyAndClose(TAny* aPtr);

// ============================= LOCAL FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// MapContentShareMode

// Maps the CAF specific file share mode to the RFs/RFile sharing mode

// -----------------------------------------------------------------------------

//

TInt MapContentShareMode(TContentShareMode aMode)

    {

    TInt r = EFileRead | EFileShareAny;

    switch (aMode)

        {

        case EContentShareReadOnly:

            r = EFileRead | EFileShareReadersOnly;

            break;

        case EContentShareReadWrite:

            r = EFileRead | EFileShareReadersOrWriters;

            break;

        case EContentShareExclusive:

            r = EFileRead | EFileShareExclusive;

            break;

        }

    return r;

    }

// -----------------------------------------------------------------------------

// PointerArrayResetDestroyAndClose

// Template method used to push RPointerArrays to the cleanup stack. Takes

// care of deleting all pointers in the array.

// -----------------------------------------------------------------------------

//

template<class S>

void PointerArrayResetDestroyAndClose(TAny* aPtr)

    {

    (reinterpret_cast<RPointerArray<S>*>(aPtr))->ResetAndDestroy();

    (reinterpret_cast<RPointerArray<S>*>(aPtr))->Close();

    }

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------

// COma2AgentContent::COma2AgentContent

// Reset all member variables

// -----------------------------------------------------------------------------

//

COma2AgentContent::COma2AgentContent(void):

    iDcf(NULL),

    iFilePosition(0),

    iDataPosition(0),

    iUri(NULL),

    iCurrentContainer(NULL),

    iNotifier(NULL),

    iWatchedId(NULL)

    {

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::ConstructL

// Initialize the agent from a URI (file name) and file mode, opens the

// the file and takes membership of the handle

// -----------------------------------------------------------------------------

//

void COma2AgentContent::ConstructL(

    const TDesC& aUri,

    TContentShareMode aShareMode)

    {

    iUri = aUri.AllocL();

    User::LeaveIfError(iRdb.Connect());

    User::LeaveIfError(iFs.Connect());

    User::LeaveIfError(iFs.ShareAuto());

    User::LeaveIfError(iFile.Open(iFs, aUri, MapContentShareMode(aShareMode)));

    iDcf = CDcfCommon::NewL(iFile);

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::ConstructL

// Initialize the agent from a file handle, duplicates the handle

// -----------------------------------------------------------------------------

//

void COma2AgentContent::ConstructL(RFile& aFile)

    {

    TFileName name;

    User::LeaveIfError(iRdb.Connect());

    User::LeaveIfError(iFile.Duplicate(aFile));

    User::LeaveIfError(iFs.Connect());

    User::LeaveIfError(iFs.ShareAuto());

    iFile.Name(name);

    iUri = name.AllocL();

    iDcf = CDcfCommon::NewL(iFile);

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::NewL

// Two-phased constructors

// -----------------------------------------------------------------------------

//

COma2AgentContent* COma2AgentContent::NewL(

    const TDesC& aUri,

    TContentShareMode aShareMode)

    {

    COma2AgentContent* self = NewLC(aUri, aShareMode);

    CleanupStack::Pop(self);

    return self;

    }

COma2AgentContent* COma2AgentContent::NewLC(

    const TDesC& aUri,

    TContentShareMode aShareMode)

    {

    COma2AgentContent* self=new(ELeave) COma2AgentContent();

    CleanupStack::PushL(self);

    self->ConstructL(aUri, aShareMode);

    return self;

    }

COma2AgentContent* COma2AgentContent::NewL(RFile& aFile)

    {

    COma2AgentContent* self = NewLC(aFile);

    CleanupStack::Pop(self);

    return self;

    }

COma2AgentContent* COma2AgentContent::NewLC(RFile& aFile)

    {

    COma2AgentContent* self=new(ELeave) COma2AgentContent();

    CleanupStack::PushL(self);

    self->ConstructL(aFile);

    return self;

    }

// Destructor

COma2AgentContent::~COma2AgentContent()

    {

    iRdb.Close();

    iFile.Close();

    iFs.Close();

    delete iDcf;

    delete iUri;

    delete iCurrentContainer;

    if (iNotifier != NULL)

        {

        if( iWatchedId )

            {

            TRAP_IGNORE( iNotifier->UnRegisterEventObserverL(*this, KEventAddRemove, *iWatchedId) );

            TRAP_IGNORE( iNotifier->UnRegisterEventObserverL(*this, KEventModify, *iWatchedId) );

            }

        delete iNotifier;

        }

    delete iWatchedId;

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::OpenContainer

// Checks if the part ID is valid and sets the current ID to the part ID

// -----------------------------------------------------------------------------

//

TInt COma2AgentContent::OpenContainer(

    const TDesC& aUniqueId)

    {

    TInt r = KErrNotFound;

    TInt err = KErrNone;

    // Only the outermost file can be opened, parts within the file don't have

    // subparts, only attributes.

    if (iCurrentContainer == NULL)

        {

        r = iDcf->CheckUniqueId(aUniqueId);

        if (r == KErrNone)

            {

            TRAP(err, iCurrentContainer = aUniqueId.AllocL() );

            if(err)

                {

                return err;

                }

            }

        }

    return r;

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::CloseContainer

// Resets the current part ID

// -----------------------------------------------------------------------------

//

TInt COma2AgentContent::CloseContainer()

    {

    TInt r = KErrNone;

    if (iCurrentContainer != NULL)

        {

        delete iCurrentContainer;

        iCurrentContainer = NULL;

        }

    else

        {

        r = KErrNotFound;

        }

    return r;

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::GetEmbeddedObjectsL

// Returns all parts embedded in the current part

// -----------------------------------------------------------------------------

//

void COma2AgentContent::GetEmbeddedObjectsL(

    RStreamablePtrArray<CEmbeddedObject>& aArray)

    {

    TInt i;

    CEmbeddedObject* part = NULL;

    HBufC* id = NULL;

    COma2Dcf* dcf2 = NULL;

    aArray.ResetAndDestroy();

    if (iCurrentContainer == NULL)

        {

        if (iDcf->iVersion == EOma2Dcf)

            {

            dcf2 = static_cast<COma2Dcf*>(iDcf);

            for (i = 0; i < dcf2->iParts.Count(); i++)

                {

                id = CnvUtfConverter::ConvertToUnicodeFromUtf8L(

                    *dcf2->iParts[i]->iContentId);

                CleanupStack::PushL(id);

                part = CEmbeddedObject::NewL(*id, *dcf2->iParts[i]->iMimeType,

                    EContentObject);

                CleanupStack::PopAndDestroy(id);

                aArray.AppendL(part);

                }

            }

        else

            {

            id = CnvUtfConverter::ConvertToUnicodeFromUtf8L(

                *iDcf->iContentID);

            CleanupStack::PushL(id);

            part = CEmbeddedObject::NewL(*id, *iDcf->iMimeType,

                EContentObject);

            CleanupStack::PopAndDestroy(id);

            aArray.AppendL(part);

            }

        }

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::GetEmbeddedObjectsL

// Returns all parts embedded in the current part, filtered by type

// -----------------------------------------------------------------------------

//

void COma2AgentContent::GetEmbeddedObjectsL(

    RStreamablePtrArray<CEmbeddedObject>& aArray,

    TEmbeddedType aType)

    {

    if (aType == EContentObject)

        {

        GetEmbeddedObjectsL(aArray);

        }

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::Search

//

// -----------------------------------------------------------------------------

//

TInt COma2AgentContent::Search(

    RStreamablePtrArray<CEmbeddedObject>& aArray,

    const TDesC8& aMimeType,

    TBool /*aRecursive*/)

    {

    TInt i;

    TInt r = KErrNone;

    RStreamablePtrArray<CEmbeddedObject> parts;

    CEmbeddedObject* item = NULL;

    TRAP(r, GetEmbeddedObjectsL(parts));

    for (i = 0; r == KErrNone && i < parts.Count(); i++)

        {

        if (parts[i]->MimeType().CompareF(aMimeType) == 0)

            {

            TRAP_IGNORE( item = CEmbeddedObject::NewL(

                parts[i]->UniqueId(), parts[i]->Name(),

                parts[i]->MimeType(), parts[i]->Type()) );

            TRAP(r, aArray.AppendL(item));

            }

        }

    parts.ResetAndDestroy();

    parts.Close();

    return r;

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::GetAttribute

//

// -----------------------------------------------------------------------------

//

TInt COma2AgentContent::GetAttribute(

    TInt aAttribute,

    TInt& aValue,

    const TDesC& aUniqueId)

    {

    TInt r;

    r = iDcf->OpenPart(aUniqueId);

    if (r == KErrNone)

        {

        TRAP(r,aValue = TOma2AgentAttributes::GetAttribute(*iDcf, aAttribute,

            TVirtualPathPtr(*iUri, aUniqueId), &iRdb));

        }

    return r;

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::GetAttributeSet

//

// -----------------------------------------------------------------------------

//

TInt COma2AgentContent::GetAttributeSet(

    RAttributeSet& aAttributeSet,

    const TDesC& aUniqueId)

    {

    TInt r;

    TInt err = KErrNone;

    r = iDcf->OpenPart(aUniqueId);

    if (r == KErrNone)

        {

        TRAP(err,r = TOma2AgentAttributes::GetAttributeSet(*iDcf, aAttributeSet,

            TVirtualPathPtr(*iUri, aUniqueId), &iRdb));

        if (err != KErrNone)

            {

            return err;

            }

        }

    return r;

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::GetStringAttribute

//

// -----------------------------------------------------------------------------

//

TInt COma2AgentContent::GetStringAttribute(

    TInt aAttribute,

    TDes& aValue,

    const TDesC& aUniqueId)

    {

    TInt r = KErrNone;

    TInt err = KErrNone;

    r = iDcf->OpenPart(aUniqueId);

    if (r == KErrNone)

        {

        TRAP(err, r = TOma2AgentAttributes::GetStringAttribute(*iDcf, aAttribute,

            aValue, TVirtualPathPtr(*iUri, aUniqueId), &iRdb));

        if(err != KErrNone)

            {

            return err;

            }

        }

    return r;

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::GetStringAttributeSet

//

// -----------------------------------------------------------------------------

//

TInt COma2AgentContent::GetStringAttributeSet(

    RStringAttributeSet& aStringAttributeSet,

    const TDesC& aUniqueId)

    {

    TInt r;

    TInt err = KErrNone;

    r = iDcf->OpenPart(aUniqueId);

    if (r == KErrNone)

        {

        TRAP(err, r = TOma2AgentAttributes::GetStringAttributeSet(*iDcf,

            aStringAttributeSet, TVirtualPathPtr(*iUri, aUniqueId), &iRdb));

        if(err != KErrNone)

            {

            return err;

            }

        }

    return r;

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::AgentSpecificCommand

//

// -----------------------------------------------------------------------------

//

TInt COma2AgentContent::AgentSpecificCommand(

    TInt aCommand,

    const TDesC8& /*aInputBuffer*/,

    TDes8& /*aOutputBuffer*/)

    {

    TInt r = KErrCANotSupported;

    if (aCommand == EEmbedDomainRo)

        {

        TRAP(r, EmbedDomainRoL());

        }

    return r;

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::AgentSpecificCommand

//

// -----------------------------------------------------------------------------

//

void COma2AgentContent::AgentSpecificCommand(

    TInt aCommand,

    const TDesC8& aInputBuffer,

    TDes8& aOutputBuffer,

    TRequestStatus& aStatus)

    {

    TRequestStatus *ptr = &aStatus;

    User::RequestComplete(ptr, AgentSpecificCommand(aCommand, aInputBuffer,

        aOutputBuffer));

    }

// -----------------------------------------------------------------------------

// COma2AgentContent::NotifyStatusChange

//

// -----------------------------------------------------------------------------

//

void COma2AgentContent::NotifyStatusChangeL(

    TEventMask aEventMask,

    TRequestStatus& aStatus,

    const TDesC& aUniqueId)

    {

    TInt r = KErrNone;

    TInt i;

    TInt part = KErrNotFound;

    COma2Dcf* dcf2 = NULL;

    HBufC8* uniqueId = NULL;

    iStatus = &aStatus;

    iWatchedEvents = aEventMask;

    if (iWatchedId != NULL)

        {

        if( iNotifier )

            {

            iNotifier->UnRegisterEventObserverL(*this, KEventAddRemove, *iWatchedId);

            iNotifier->UnRegisterEventObserverL(*this, KEventModify, *iWatchedId);

            }

        delete iWatchedId;

        iWatchedId = NULL;

        }

    if (iDcf->iVersion == EOma1Dcf || aUniqueId.Compare(KDefaultContentObject) == 0)

        {

        iWatchedId = iDcf->iContentID->AllocL();

        }

    else

        {

        dcf2 = static_cast<COma2Dcf*>(iDcf);

        uniqueId = CnvUtfConverter::ConvertFromUnicodeToUtf8L(aUniqueId);

        CleanupStack::PushL(uniqueId);

        for (i = 0; part == KErrNotFound && i < dcf2->iParts.Count(); i++)

            {

            if (dcf2->iParts[i]->iContentId->CompareF(*uniqueId) == 0)

                {

                iWatchedId = dcf2->iParts[i]->iContentId->AllocL();

                }

            }

        CleanupStack::PopAndDestroy();

        }

    if (iWatchedId != NULL)

        {

        if (iNotifier == NULL)

            {

            iNotifier = CDRMNotifier::NewL();