contentpublishingsrv/contentpublishingutils/pluginvalidator/src/charvesterpluginvalidator.cpp
/*
* 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:
*
*/
#include <e32property.h>
#include <ecom/ecom.h>
#include <mmf/common/mmfcontrollerpluginresolver.h>
#include <contentharvesterplugin.h> // harvesting plugin
#include "charvesterpluginvalidator.h"
#include "cblacklisthandler.h"
const TUint32 KInProgressPropertyKey =
{
0x1028000E
};
const TUint32 KHarvesterUid =
{
0x10282E5A
};
const TInt KADatFactorySettingsServerPluginUid(0x102830EF);
// ======== MEMBER FUNCTIONS ========
// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------
//
EXPORT_C CHarvesterPluginValidator* CHarvesterPluginValidator::NewL(
TUid aUid, TAny *aParameter)
{
CHarvesterPluginValidator* self = CHarvesterPluginValidator::NewLC(aUid,
aParameter);
CleanupStack::Pop(self);
return self;
}
// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------
//
EXPORT_C CHarvesterPluginValidator* CHarvesterPluginValidator::NewLC(
TUid aUid, TAny *aParameter)
{
CHarvesterPluginValidator* self = new (ELeave) CHarvesterPluginValidator(
aUid, aParameter);
CleanupStack::PushL(self);
self->ConstructL();
return self;
}
// ---------------------------------------------------------------------------
// destructor
// ---------------------------------------------------------------------------
CHarvesterPluginValidator::~CHarvesterPluginValidator()
{
iInProgressProperty.Close();
delete iBlacklist;
delete iUpdateIdle;
}
// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------
//
CHarvesterPluginValidator::CHarvesterPluginValidator(TUid aUid,
TAny* aParameter) :
CPluginValidator(aUid, aParameter)
{
}
// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------
//
void CHarvesterPluginValidator::ConstructL()
{
iBlacklist = CBlacklistHandler::NewL();
iUpdateIdle = CIdle::NewL( CActive::EPriorityIdle );
iUpdateIdle->Start( TCallBack( UpdateCallback, this ) );
CPluginValidator::ConstructL();
}
// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------
//
void CHarvesterPluginValidator::ManagePluginsL()
{
TInt errorCode = iInProgressProperty.Define(TUid::Uid(KHarvesterUid),
KInProgressPropertyKey, RProperty::EInt);
if (KErrAlreadyExists == errorCode)
{
TInt value(-1);
iInProgressProperty.Get(TUid::Uid(KHarvesterUid),
KInProgressPropertyKey, value);
if (value == 1)
{
// property value == inprogress
// there was a panic in the previous startup
// so we make unofficial blacklist official
iBlacklist->CopyBlacklistL(EFalse);
}
}
else
{
User::LeaveIfError(errorCode);
}
// copy blacklisted plugins to unoffical blacklist at startup
iBlacklist->CopyBlacklistL(ETrue);
// set property value to 1 (which means "in progress")
iInProgressProperty.Set(TUid::Uid(KHarvesterUid), KInProgressPropertyKey,
1);
CPluginValidator::ManagePluginsL();
// set property value to 0 (which means "finished")
iInProgressProperty.Set( TUid::Uid( KHarvesterUid ),
KInProgressPropertyKey, 0 );
}
// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------
//
void CHarvesterPluginValidator::LoadPluginL(TPluginInfo& aPluginInfo)
{
if (!iBlacklist->IsPresentL(aPluginInfo.iImplementationUid))
{
//first we append UID to the blacklist
iBlacklist->AppendL(aPluginInfo.iImplementationUid);
TAny* plug(NULL);
TInt err(KErrNone);
TRAP( err, plug = REComSession::CreateImplementationL(
aPluginInfo.iImplementationUid,
aPluginInfo.iDtor_ID_Key, iParameter ) );
if (err == KErrNone && plug)
{
TRAP_IGNORE(
CleanupStack::PushL( plug );
aPluginInfo.iPlugin = plug;
iPluginArray.AppendL( aPluginInfo );
CleanupStack::Pop( plug );
);
}
//no panic during load so we can remove UID from blacklist
iBlacklist->RemoveL(aPluginInfo.iImplementationUid);
}
}
// ----------------------------------------------------------------------------
//
// ----------------------------------------------------------------------------
//
void CHarvesterPluginValidator::UpdatePluginsL()
{
// set property value to 1 (which means "in progress")
iInProgressProperty.Set(TUid::Uid(KHarvesterUid), KInProgressPropertyKey, 1);
CContentHarvesterPlugin* plugin = NULL;
CContentHarvesterPlugin* fsplugin =
static_cast<CContentHarvesterPlugin*> (GetImplementation(
TUid::Uid(KADatFactorySettingsServerPluginUid)));
if (fsplugin)
{
iBlacklist->AppendL(TUid::Uid(KADatFactorySettingsServerPluginUid));
TRAP_IGNORE( fsplugin->UpdateL() );
iBlacklist->RemoveL(TUid::Uid(KADatFactorySettingsServerPluginUid));
}
for (TInt i = 0; i < iPluginArray.Count(); i++)
{
plugin
= static_cast<CContentHarvesterPlugin*> (iPluginArray[i].iPlugin);
if (plugin != fsplugin)
{
//first we append UID to the blacklist
iBlacklist->AppendL(iPluginArray[i].iImplementationUid);
TRAP_IGNORE( plugin->UpdateL() );
//no panic during update so we can remove UID from blacklist
iBlacklist->RemoveL(iPluginArray[i].iImplementationUid);
}
}
// set property value to 0 (which means "finished")
iInProgressProperty.Set(TUid::Uid(KHarvesterUid), KInProgressPropertyKey,
0);
}
// -----------------------------------------------------------------------------
//
// -----------------------------------------------------------------------------
//
TInt CHarvesterPluginValidator::UpdateCallback( TAny* aValidator )
{
if ( aValidator )
{
TRAP_IGNORE( static_cast<CHarvesterPluginValidator*>(aValidator)->
UpdatePluginsL( ));
}
return KErrNone;
}