mtpdataproviders/mtppictbridgedp/src/cmtppictbridgeenumerator.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 01:11:40 +0200
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// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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#include <f32file.h>
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#include <bautils.h>
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#include <s32file.h>
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#include <mtp/mmtpobjectmgr.h>
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#include <mtp/cmtpobjectmetadata.h>
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#include <mtp/mmtpdataproviderframework.h>
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#include <mtp/mmtpobjectmgr.h>
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#include <mtp/mmtpstoragemgr.h>
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#include <mtp/mtpprotocolconstants.h>
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#include <mtp/tmtptypeevent.h>
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#include "cmtppictbridgeenumerator.h"
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#include "mmtppictbridgeenumeratorcallback.h"
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#include "ptpdef.h"
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#include "cmtpdataprovidercontroller.h"
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#include <mtp/cmtptypefile.h>
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#include <pathinfo.h>
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//==================================================================
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// 
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//==================================================================  
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CMTPPictBridgeEnumerator* CMTPPictBridgeEnumerator::NewL(MMTPDataProviderFramework& aFramework, MMTPPictBridgeEnumeratorCallback& aCallback)
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    {
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    CMTPPictBridgeEnumerator* self = new (ELeave) CMTPPictBridgeEnumerator(aFramework, aCallback);
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    CleanupStack::PushL(self);
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    self->ConstructL();
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    CleanupStack::Pop(self);
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    return self;
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    }
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//==================================================================
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// 
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//==================================================================  
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CMTPPictBridgeEnumerator::CMTPPictBridgeEnumerator(MMTPDataProviderFramework& aFramework, MMTPPictBridgeEnumeratorCallback& aCallback)
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    :iFramework(aFramework), iCallback(aCallback)
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    {
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    }
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//==================================================================
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// 
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//==================================================================  
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void CMTPPictBridgeEnumerator::ConstructL()
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    {
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    __FLOG_OPEN(KMTPSubsystem, KComponent);
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    __FLOG(_L8(">> CMTPPictBridgeEnumerator::ConstructL"));
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    iSingletons.OpenL();
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    __FLOG(_L8("<< CMTPPictBridgeEnumerator::ConstructL"));
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    }
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/**
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destructor
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*/    
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CMTPPictBridgeEnumerator::~CMTPPictBridgeEnumerator()
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    {
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    __FLOG(_L8(">> CMTPPictBridgeEnumerator::~CMTPPictBridgeEnumerator"));
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    // we keep the persistent handle
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    iSingletons.Close();
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    __FLOG(_L8("<< CMTPPictBridgeEnumerator::~CMTPPictBridgeEnumerator"));
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	__FLOG_CLOSE;
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    }
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// --------------------------------------------------------------------------
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//
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// --------------------------------------------------------------------------
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//
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void CMTPPictBridgeEnumerator::EnumerateStoragesL()
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    {
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    iCallback.NotifyStorageEnumerationCompleteL();
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    }
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// --------------------------------------------------------------------------
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// "handle of the file DDISCVRY.DPS"
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// --------------------------------------------------------------------------
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TUint32 CMTPPictBridgeEnumerator::DeviceDiscoveryHandle() const
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    {
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    return iDpsDiscoveryHandle;
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    }
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// --------------------------------------------------------------------------
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// 
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// --------------------------------------------------------------------------
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void CMTPPictBridgeEnumerator::EnumerateObjectsL(TUint32 aStorageId)
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    {
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    __FLOG(_L8(">> CMTPPictBridgeEnumerator::EnumerateObjectsL"));
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    const TUint storageId(iFramework.StorageMgr().DefaultStorageId());
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    if ((aStorageId==KMTPStorageAll) || (aStorageId==storageId))
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        {
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        MMTPObjectMgr& objectMgr=iFramework.ObjectMgr();
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        //delete the files which maybe impact printing
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        TFileName        fullPath;        
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		fullPath = PathInfo::PhoneMemoryRootPath();
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		fullPath.Append(KHostDiscovery);
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		__FLOG_VA((_L16("full path is %S "), &fullPath));
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		iFramework.Fs().SetAtt(fullPath, KEntryAttNormal, KEntryAttReadOnly);
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		iFramework.Fs().Delete(fullPath);
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		fullPath = PathInfo::PhoneMemoryRootPath();
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		fullPath.Append(KHostRequest);
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		__FLOG_VA((_L16("full path is %S "), &fullPath));
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		iFramework.Fs().SetAtt(fullPath, KEntryAttNormal, KEntryAttReadOnly);
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		iFramework.Fs().Delete(fullPath);
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		fullPath = PathInfo::PhoneMemoryRootPath();
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		fullPath.Append(KHostResponse);
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		__FLOG_VA((_L16("full path is %S "), &fullPath));
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		iFramework.Fs().SetAtt(fullPath, KEntryAttNormal, KEntryAttReadOnly);
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		iFramework.Fs().Delete(fullPath);
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        // enumerate device discovery file (create if not exist)
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        CMTPTypeFile*    discoveryFile;
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        fullPath = PathInfo::PhoneMemoryRootPath();
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        fullPath.Append(KDeviceDiscovery);
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        __FLOG_VA((_L16("full path is %S "), &fullPath));
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        iFramework.Fs().SetAtt(fullPath, KEntryAttNormal, KEntryAttReadOnly);
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        iFramework.Fs().Delete(fullPath);
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        discoveryFile = NULL;
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        discoveryFile = CMTPTypeFile::NewLC(iFramework.Fs(), fullPath, EFileWrite);
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        discoveryFile->SetSizeL(0);
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        CleanupStack::PopAndDestroy(discoveryFile);
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        CMTPObjectMetaData* objectP = CMTPObjectMetaData::NewLC(iSingletons.DpController().FileDpId(), EMTPFormatCodeScript, storageId, fullPath);
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        objectP->SetUint(CMTPObjectMetaData::EParentHandle, KMTPHandleNoParent);
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	    objectMgr.InsertObjectL(*objectP);
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	    iDpsDiscoveryHandle = objectP->Uint( CMTPObjectMetaData::EHandle );
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	    __FLOG_VA((_L8("added discovery file iDpsDiscoveryHandle is 0x%08X"), iDpsDiscoveryHandle));
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        CleanupStack::PopAndDestroy(objectP);
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        }
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		iCallback.NotifyEnumerationCompleteL(aStorageId, KErrNone);
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    __FLOG(_L8("<< CMTPPictBridgeEnumerator::EnumerateObjectsL"));
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    }
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   152