--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/harvesterplugins/media/video/src/videoplugin.cpp Mon Apr 19 14:40:05 2010 +0300
@@ -0,0 +1,333 @@
+/*
+* Copyright (c) 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: Media Video harvester plugin implementation
+*
+*/
+
+// Include Files
+#include "videoplugin.h" //CVideoPlugin
+#include <e32base.h>
+#include "harvesterserverlogger.h"
+#include "common.h"
+#include "csearchdocument.h"
+#include "ccpixindexer.h"
+#include "mdeharvester.h"
+#include "mdeobjectqueuemanager.h"
+#include "mdsmediamonitor.h"
+#include "mdssessionobjectutils.h"
+#include "cpixmediavideodoc.h"
+#include "cpixindexerutils.h"
+#include "mmcmonitor.h"
+#include "cpixmdedbmanager.h"
+#include "mdsitementity.h"
+
+//Constants
+_LIT(KPathTrailer, "\\root\\media\\video");
+#define MEDIA_QBASEAPPCLASS "@0:root media video"
+#define LMEDIA_QBASEAPPCLASS L"@0:root media video"
+#define MEDIAAPPCLASS "root media video"
+#define LMEDIAAPPCLASS L"root media video"
+
+#define MEDIAGENERICAPPCLASS ":root media video"
+#define LMEDIAGENERICAPPCLASS L":root media video"
+#define DATABASEPATH "\\root\\media\\video"
+#define LDATABASEPATH "\\root\\media\\video"
+
+//Member Functions
+
+
+CVideoPlugin* CVideoPlugin::NewL()
+ {
+ CVideoPlugin* self = new (ELeave) CVideoPlugin;
+ return self;
+ }
+
+CVideoPlugin::CVideoPlugin()
+ {
+#ifdef __PERFORMANCE_DATA
+ count = 0;
+#endif
+ //No implementation required.
+ }
+
+CVideoPlugin::~CVideoPlugin()
+ {
+ delete iMdeHarvester;
+ delete iMdsMonitor;
+ delete iObjectJobQueueManager;
+ delete iMdsUtils;
+ delete iVideoDocument;
+ delete iIndexerUtil;
+ delete iMMcMonitor;
+ delete iDBManager;
+ delete iMdsItem;
+ }
+
+void CVideoPlugin::StartPluginL()
+ {
+ //Define the basic application class
+ CPIXLOGSTRING("CVideoPlugin::StartPluginL");
+ iIndexerUtil = CCPixIndexerUtils::NewL( iSearchSession );
+ TBuf<KMaxFileName> databasePathTemp;
+ databasePathTemp.Append( KPathTrailer );
+ iIndexerUtil->MountAllAvailableDriveL( _L(MEDIAGENERICAPPCLASS), databasePathTemp );
+ // Instansiate harvesting and monitering
+ iMdsUtils = CMdsSessionObjectUtils::NewL();
+ iMdsUtils->InitializeL();
+ iObjectJobQueueManager = CMdeObjectQueueManager::NewL( this );
+ iMdeHarvester = CMdeHarvester::NewL( iMdsUtils->GetSession(), this,
+ iObjectJobQueueManager );
+ iMdsMonitor = CMdsMediaMonitor::NewL( iMdsUtils->GetSession(), iObjectJobQueueManager );
+ iMMcMonitor = CMMCMonitorUtil::NewL( this );//Observer is self
+ iMMcMonitor->StartMonitoring();
+ //start monitoring video items
+ iMdsMonitor->StartMonitoringL( MdeConstants::Video::KVideoObject );
+ iVideoDocument = CCPIXMediaVideoDoc::NewL(); //Doc fetcher
+ // Start harvester for this plugin
+ iObserver->AddHarvestingQueue(this, _L(MEDIA_QBASEAPPCLASS) );
+ TUid uidOfPlugin = {0x20029ABA};
+ iDBManager = CCPIXMDEDbManager::NewL(uidOfPlugin);
+ iMdsItem = CMDSEntity::NewL();
+ }
+
+void CVideoPlugin::StartHarvestingL( const TDesC& /*aMedia*/ )
+ {
+ CPIXLOGSTRING("CVideoPlugin::StartHarvestingL");
+ iDBManager->ResetL();
+ iIndexerUtil->ResetAllL();
+ //start video harvesting
+#ifdef __PERFORMANCE_DATA
+ iStartTime.UniversalTime();
+#endif
+ iMdeHarvester->DoHarvesetL( MdeConstants::Video::KVideoObject );
+ }
+
+void CVideoPlugin::HarvestingCompletedL()
+ {
+ CPIXLOGSTRING("CVideoPlugin::HarvestingCompletedL");
+#ifdef __PERFORMANCE_DATA
+ UpdatePerformaceDataL();
+#endif
+ iObserver->HarvestingCompleted(this, _L(MEDIA_QBASEAPPCLASS), KErrNone);
+ }
+
+//handle MMC event for the Drive
+void CVideoPlugin::HandleMMCEventL(const TDriveNumber aDrive,const TBool aMMCInsertRemoval)
+ {
+ TBuf<KMaxFileName> databasePathTemp;
+ databasePathTemp.Append(KPathTrailer);
+ if(aMMCInsertRemoval) //MMC inserted
+ {
+ iIndexerUtil->MountDriveL(aDrive,_L(MEDIAGENERICAPPCLASS),databasePathTemp);
+ //iIndexerUtil->GetIndexerFromDrive(aDrive)->ResetL();
+ }
+ else
+ {
+ //MMC is removed but we can not reset index here as Media physically not avilable so
+ // we have to do at the time of insertion only
+ //Unmount drive and also reset the index as we anyhow has to reindex on insertion back
+ iIndexerUtil->UnMountDriveL(aDrive,_L(MEDIAGENERICAPPCLASS),ETrue);
+ }
+ }
+
+void CVideoPlugin::HandleMdeItemL( TItemId aObjId, TCPixActionType aActionType)
+ {
+ //Get the object from object utils and get the CPIX document and add delete or update
+ CPIXLOGSTRING2("CVideoPlugin::HandleMdeItemL(): aObjId = %d ", aObjId );
+ // creating CSearchDocument object with unique ID for this application
+ TBuf<KMaxFileName> docid_str;
+ if (aActionType == ECPixAddAction || aActionType == ECPixUpdateAction )
+ {
+ //To Improve performance check here only before Getobject if it is Add event
+ //and we already have in our database just return in case of update move forward
+ if(iDBManager->IsAlreadyExistL(aObjId) && aActionType == ECPixAddAction)//Avoid reharvesting
+ {
+ CPIXLOGSTRING("CVideoPlugin::HandleMdeItemL(): Already harvested returning");
+ return;
+ }
+ CMdEObject& object= iMdsUtils->GetObjectL( aObjId,MdeConstants::Video::KVideoObject );
+ CMdENamespaceDef& defaultNamespaceDef = iMdsUtils->GetSession()->GetDefaultNamespaceDefL();
+ CMdEObjectDef& videoObjDef = defaultNamespaceDef.GetObjectDefL( MdeConstants::Video::KVideoObject );
+ CSearchDocument* index_item = iVideoDocument->GetCpixDocumentL(object,_L(MEDIAAPPCLASS),videoObjDef);
+ iIndexer = iIndexerUtil->GetIndexerFromMediaId(object.MediaId());
+
+ if (!iIndexer)
+ {
+ delete index_item;
+ CPIXLOGSTRING("CVideoPlugin::HandleMdeItemL(): Indexer not found");
+ return;
+ }
+ // Send for indexing
+ if (aActionType == ECPixAddAction)
+ {
+#ifdef __PERFORMANCE_DATA
+ ++count;
+#endif
+ CPIXLOGSTRING("CVideoPlugin::HandleMdeItemL(): Indexer found calling AddL");
+ //First check if it already exist in database
+ TRAPD(err, iIndexer->UpdateL(*index_item)); //Always Update to avoid reharvesting
+ if (err == KErrNone)
+ {
+ //Add entity to database for later use
+ iMdsItem->Reset();//reset existing values
+ iMdsItem->Setkey(aObjId);
+ iMdsItem->SetUri(iVideoDocument->GetUri());//Use the Absolute URI
+ TDriveNumber drive;
+ iIndexerUtil->GetDriveFromMediaId(object.MediaId(),drive);
+ iMdsItem->SetDrive(drive);
+ iDBManager->AddL(aObjId,*iMdsItem);//Add to SyncDB
+ CPIXLOGSTRING("CVideoPlugin::HandleMdeItemL(): Added.");
+ }
+ else
+ {
+ CPIXLOGSTRING2("CVideoPlugin::HandleMdeItemL(): Error %d in adding.", err);
+ }
+ }
+ else if (aActionType == ECPixUpdateAction)
+ {
+ //If DocID for e.g \video\something.3gpp itself changes the we have to compare
+ //existing URI with new one and Remove that first and Update to avoid
+ //Duplicate entries
+ iMdsItem->Reset();//reset existing values
+ TRAPD(err, iDBManager->GetItemL(aObjId,*iMdsItem));
+ if(err == KErrNone)
+ {
+ //Get the drivenumber from the syncDB to delete the appropriate docId
+ //in case an item is moved to different drive, delete from the old drive first and later update.
+ //comparing the absolute paths along with the root drives
+ if(iMdsItem->GetPath().Compare(object.Uri()) != 0)
+ {
+ CCPixIndexer *tempIndexer;
+ tempIndexer = iIndexerUtil->GetIndexerFromDrive(iMdsItem->DriveNumber());
+ tempIndexer->DeleteL(iMdsItem->Uri());
+ CPIXLOGSTRING("CVideoPlugin::HandleMdeItemL(): Deleted existing URI for update");
+ }
+ TRAPD(error, iIndexer->UpdateL(*index_item));
+ if (error == KErrNone)
+ {
+ //Add as new
+ iMdsItem->Reset();//reset existing values
+ TDriveNumber drive;
+ iIndexerUtil->GetDriveFromMediaId(object.MediaId(),drive);
+ iMdsItem->Set(aObjId,iVideoDocument->GetUri(),drive);
+ iDBManager->UpdateL(aObjId,*iMdsItem);//Add to SyncDB
+ CPIXLOGSTRING("CVideoPlugin::HandleMdeItemL(): Updated.");
+ }
+ else
+ {
+ CPIXLOGSTRING2("CVideoPlugin::HandleMdeItemL(): Error %d in updating.", error);
+ }
+ }
+ //If a media item is added when downloading or streaming begins, add event is surpassed
+ //by update or delete event because of delay introduced on monitered object by objectqueue manager
+ //So add the Item first, when GetItemL() leaves with item not found
+ else if(err == KErrNotFound)
+ {
+ TRAPD(error, iIndexer->UpdateL(*index_item));
+ if (error == KErrNone)
+ {
+ //Add entity to database for later use
+ iMdsItem->Reset();//reset existing values
+ iMdsItem->Setkey(aObjId);
+ iMdsItem->SetUri(iVideoDocument->GetUri());//Use the Absolute URI
+ TDriveNumber drive;
+ iIndexerUtil->GetDriveFromMediaId(object.MediaId(),drive);
+ iMdsItem->SetDrive(drive);
+ iDBManager->AddL(aObjId,*iMdsItem);//Add to SyncDB
+ CPIXLOGSTRING("CVideoPlugin::HandleMdeItemL(): Added Item before Update.");
+ }
+ }
+ }
+ delete index_item;
+ iIndexer = NULL;
+ }
+ else if (aActionType == ECPixRemoveAction)
+ {
+ // Remove the document
+ //Get the Item from SyncDB for removed Item
+ iMdsItem->Reset();//reset existing values
+ TRAPD(error, iDBManager->GetItemL(aObjId,*iMdsItem));
+ if (error == KErrNone)
+ {
+ iIndexer = iIndexerUtil->GetIndexerFromDrive(iMdsItem->DriveNumber());//Get Indexer from drive
+ if(iIndexer) //If indexer found delete
+ {
+ docid_str.Copy(iMdsItem->Uri());
+ TRAPD(err, iIndexer->DeleteL(docid_str));//Delete it
+ if (err == KErrNone)
+ {
+ CPIXLOGSTRING("CVideoPlugin::HandleMdeItemL(): Deleted.");
+ }
+ else
+ {
+ CPIXLOGSTRING2("CVideoPlugin::HandleMdeItemL(): Error %d in deleting.", err);
+ }
+ }
+ //delete entry from database
+ iDBManager->RemoveL(iMdsItem->Key());
+ }
+ iIndexer = NULL;//Assign to null not pointing to any memory
+ }
+ }
+
+#ifdef __PERFORMANCE_DATA
+void CVideoPlugin::UpdateLogL()
+ {
+ UpdatePerformaceDataL();
+ }
+
+void CVideoPlugin::UpdatePerformaceDataL()
+ {
+ TTime now;
+
+ iCompleteTime.UniversalTime();
+ TTimeIntervalMicroSeconds timeDiff = iCompleteTime.MicroSecondsFrom(iStartTime);
+
+ RFs fileSession;
+ RFile perfFile;
+ User::LeaveIfError( fileSession.Connect () );
+
+
+ /* Open file if it exists, otherwise create it and write content in it */
+
+ if(perfFile.Open(fileSession, _L("c:\\data\\VideoPerf.txt"), EFileWrite))
+ User::LeaveIfError(perfFile.Create (fileSession, _L("c:\\data\\VideoPerf.txt"), EFileWrite));
+
+ HBufC8 *heap = HBufC8::NewL(100);
+ TPtr8 ptr = heap->Des();
+ now.HomeTime();
+ TBuf<50> timeString;
+
+ _LIT(KOwnTimeFormat,"%:0%H%:1%T%:2%S");
+ now.FormatL(timeString,KOwnTimeFormat);
+ ptr.AppendNum(now.DateTime().Day());
+ ptr.Append(_L("/"));
+ ptr.AppendNum(now.DateTime().Month());
+ ptr.Append(_L("/"));
+ ptr.AppendNum(now.DateTime().Year());
+ ptr.Append(_L(":"));
+ ptr.Append(timeString);
+ ptr.Append(_L("--"));
+ ptr.AppendNum(count);
+ ptr.Append( _L(" :Time took for Harvesting Video is : "));
+ ptr.AppendNum(timeDiff.Int64()/1000) ;
+ ptr.Append(_L(" MilliSeonds \n"));
+ TInt myInt = 0;
+ perfFile.Seek(ESeekEnd,myInt);
+ perfFile.Write (ptr);
+ perfFile.Close ();
+ fileSession.Close ();
+ delete heap;
+ }
+#endif