voicerecorder/RecViewSrc/CVRMemo.cpp
branchRCL_3
changeset 20 072a5fa0c63b
parent 19 2f5c9ee7098c
child 21 c6bafb5162d8
--- a/voicerecorder/RecViewSrc/CVRMemo.cpp	Thu Aug 19 09:57:40 2010 +0300
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,690 +0,0 @@
-/*
-* Copyright (c) 2002 - 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: 
-*     This class represents a voice memo. It is able to create new files,
-*     rename and delete existing files, and to save them to permanent storage.
-*
-*/
-
-
-// INCLUDE FILES
-
-#include <eikapp.h>
-#include <eikappui.h>
-#include <eikenv.h>
-#include <AknWaitDialog.h>
-#include <AknQueryDialog.h>
-#include <StringLoader.h>
-#include <bautils.h>
-#include <AknGlobalNote.h>
-#include <sysutil.h>
-#include <pathinfo.h>
-#include <systemwarninglevels.hrh>
-#include <AknNotifyStd.h>
-#include <coeutils.h>
-
-#include <voicerecorder.rsg>
-#include <VoiceRecorderUID.h>
-#include "CVRMemo.h"
-#include "VRConsts.h"
-#include "TVRRename.h"
-#include "VRUtils.h"
-
-// CONSTANTS
-// Max length is 300 millisecs over one minute so possible cropping
-// of the file after stop doesn't drop the length under one minute
-const TInt KVRMMSMemoMaxRecordLength( 60300000 );
-const TInt KVREstimateDelayDuration( 10000000 );
-
-
-// ================= MEMBER FUNCTIONS ========================================
-
-// ---------------------------------------------------------------------------
-// CVRMemo::CVRMemo
-// 
-// ---------------------------------------------------------------------------
-//
-CVRMemo::CVRMemo()
-	: iDuration( 0 ), iPosition( 0 ), iMaxDuration( KVRDefaultMaxLength ),
-	iQuality( EQualityMMSOptimized ),iIsRecorded( EFalse )
-	{
-#ifndef RD_MULTIPLE_DRIVE	
-     iStoragePlace = EMemoStorePhoneMemory;
-#else
-     TRAP_IGNORE(iStorageDrive = VRUtils::DefaultMemoDriveL());
-#endif
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::~CVRMemo
-// 
-// ---------------------------------------------------------------------------
-//
-CVRMemo::~CVRMemo()
-	{
-	DeleteEmptyFile();
-	
-	// Close the file handle and file server session
-	iFile.Close();
-	iFs.Close();
-
-	delete iFileMan;
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::ConstructL
-// 
-// ---------------------------------------------------------------------------
-//
-void CVRMemo::ConstructL(TInt aDefaultAudioFormat)
-	{
-	User::LeaveIfError( iFs.Connect() );
-	iFs.ShareProtected();
-	
-	iFileMan = CFileMan::NewL( iFs );
-
-	iVRAudioFormat = aDefaultAudioFormat;
-
-	iQuality = VRUtils::QualityL();
-	if ( !VRUtils::FeatureEnabled( EVRFeatureShowQualitySetting )
-	     || iEmbedded )
-		{
-		iMaxDuration = KVRMMSMemoMaxRecordLength;
-		iQuality = EQualityMMSOptimized;
-		}
-	else 
-		{
-		TInt64 max( VRUtils::MaxLengthL() );
-		max = max * KVRMinuteAsMicroSeconds;
-		iMaxDuration = max;
-		}
-	
-	// Current storage place
-#ifndef RD_MULTIPLE_DRIVE	
-	iStoragePlace = VRUtils::MemoStoreL();	
-#else
-    iStorageDrive = VRUtils::MemoDriveL();
-#endif	
-
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::SetName
-// 
-// ---------------------------------------------------------------------------
-//
-void CVRMemo::SetName( const TDesC& aFilename )
-	{
-	iFilename.Copy( aFilename );
-	TParsePtrC parse( iFilename );
-	iNamePtr.Set( parse.Name().Left( VRMEMONAMEMAXLENGTH ) );
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::SetTemporaryNameL
-// 
-// ---------------------------------------------------------------------------
-//
-void CVRMemo::SetTemporaryNameL( TBool aEmbedded )
-	{
-	iEmbedded = aEmbedded;
-
-	// We can use the same handle, no need to create new name	
-	// Empty the file so it can be overwritten with new memo
-	if ( iEmbedded && !iExternalFileHandle )
-		{
-		if ( iFile.SubSessionHandle() )
-			{
-			iFile.SetSize( 0 );
-			return;
-			}
-		}		
-	
-	// Checks if the file handle can be found i.e if file is created 	
-	if ( iFile.SubSessionHandle() )
-		{	
-		// Retrieving new settings
-		TVRQuality newQuality( VRUtils::QualityL() );
-
-#ifndef RD_MULTIPLE_DRIVE
-		TVRMemoStore newStoragePlace ( VRUtils::MemoStoreL() );			
-
-		// If the current file is empty, we can reuse it if quality or 
-		// the storage place hasn't changed
-		if ( iQuality == newQuality && iStoragePlace == newStoragePlace )	
-		    {
-    	    TInt size( 0 );		
-    		iFile.Size( size );
-			
-			// If current file has already been recorded to, a new file has 
-			// to be generated 
-    		if ( !IsRecorded() )    		
-    			{
-    			iFile.SetSize( 0 );
-    			return;
-    			}
-    		}
-    	// The file has been created but the settings have been changed 
-    	// before using the file -> delete file and create a new one
-	    else
-	    	{
-	    	DeleteEmptyFile();
-	    	}
-
-#else
-        // for Multiple drives
-		TInt newStorageDrive ( VRUtils::MemoDriveL() );			
-
-		// If the current file is empty, we can reuse it if quality or 
-		// the storage place hasn't changed
-		if ( iQuality == newQuality && iStorageDrive == newStorageDrive )	
-		    {
-    	    TInt size( 0 );		
-    		iFile.Size( size );
-			
-			// If current file has already been recorded to, a new file has 
-			// to be generated 
-    		if ( !IsRecorded() )    		
-    			{
-    			iFile.SetSize( 0 );
-    			return;
-    			}
-    		}
-    	// The file has been created but the settings have been changed 
-    	// before using the file -> delete file and create a new one
-	    else
-	    	{
-	    	DeleteEmptyFile();
-	    	}
-
-
-#endif
-	    }
-
-	TFileName memoName;	
-    // Retrieve storage path
-	if ( iSavingLocation.Length() > 0 )
-		{
-		memoName = iSavingLocation;
-		}
-	else
-		{
-		VRUtils::MemoStoreDirectoryL( memoName );
-		}
-
-	// Recheck the quality before naming memo
-	if ( !VRUtils::FeatureEnabled( EVRFeatureShowQualitySetting )
-	     || iEmbedded )
-		{
-		iQuality = EQualityMMSOptimized;
-		}
-    else
-        {
-	    iQuality = VRUtils::QualityL();
-        }
-	
-	// Current storage place
-#ifndef RD_MULTIPLE_DRIVE		
-	iStoragePlace = VRUtils::MemoStoreL();
-#else
-    iStorageDrive = VRUtils::MemoDriveL();
-#endif
-
-    // Choose the file type
-	// Use amr if quality is MMS Optimized or we are recording
-	// in embedded mode, wav otherwise    
-	TVRFiletype type( EVRFileAmr );
-    if( iEmbedded || iQuality == EQualityMMSOptimized )
-		{
-		type = EVRFileAmr;
-		}
-		
-// **** updated for new CR, if it QualitySetting is Normal, save as WAV
-
-#ifdef  __AAC_ENCODER_PLUGIN
-    else if (iQuality == EQualityNormal)
-		{
-		type = EVRFileWav;
-		}
-		
-// ****  the following are updated for new CR, if it QualitySetting is High, save as mp4
-    else if (iQuality == EQualityHigh)
-		{
-		type = EVRFileAAC_LC;
-		}
-#else
-
-	else
-		{
-		type = EVRFileWav;
-		}
-
-#endif
-	
-    TFileName memoNameTemp;  
-    memoNameTemp = memoName;
-    memoNameTemp.Delete(memoName.Length()-1, 1);
-
-    TBool boolTemp = EFalse;
-
-    TInt intTemp = BaflUtils::IsFolder( iFs, memoNameTemp, boolTemp );
-    
-    if( ! boolTemp )
-        {
-        if( BaflUtils::FileExists( iFs, memoNameTemp ) )
-            {
-            if( intTemp != KErrNone )
-            	{
-            	User::LeaveIfError(intTemp);
-            	}
-            else
-            	{
-            	User::LeaveIfError(iFs.Delete( memoNameTemp ));
-            	}
-            }
-        }
-    
-	// Generate unique final file name
-    VRUtils::GenerateUniqueFilenameL( iFs, memoName, type );
-
-	// Make sure that file handles are not leaked
-	if ( iFile.SubSessionHandle() )
-		{
-		iFile.Close();
-		}
-	
-	// Ensure that path exists
-	BaflUtils::EnsurePathExistsL( iFs, memoName );
-	
-// Open the memo file
- 
-#ifdef  __AAC_ENCODER_PLUGIN 
-    if((iQuality == EQualityHigh))  //for mp4 format	, 3gplib does not support EFileShareExclusive so EFileShareAny is used here
-    	{
-        User::LeaveIfError( iFile.Create( iFs, memoName, EFileWrite|EFileShareAny) );
-    	}
-    else  // for other formats
-    	{
-        User::LeaveIfError( iFile.Create( iFs, memoName, EFileShareExclusive|EFileWrite ) );		
-
-    	}
-#else  // it is not mp4, so still use the old flag
-        User::LeaveIfError( iFile.Create( iFs, memoName, EFileShareExclusive|EFileWrite ) );		
- 
-#endif
-
-    TInt error = iFile.SetAtt(KEntryAttHidden, KEntryAttNormal );	  		
-	SetName( memoName );
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::QueryAndDeleteL
-// 
-// ---------------------------------------------------------------------------
-//
-TBool CVRMemo::QueryAndDeleteL()
-	{
-	//Delete?\n%U" �qtn.query.common.conf.delete�
-	TParsePtrC parse( iFilename );
-	HBufC* text = StringLoader::LoadLC( R_QTN_QUERY_COMMON_CONF_DELETE,
-										parse.Name() );
-
-	// Show confirm note
-    CAknQueryDialog* dlg = CAknQueryDialog::NewL();
-    TInt result( dlg->ExecuteLD( R_VR_CONFIRMATION_QUERY, *text ) );
-    CleanupStack::PopAndDestroy( text );
-
-	if ( result )
-		{
-		DeleteL();
-		return ETrue;
-		}
-
-	return EFalse;
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::DeleteL
-// 
-// ---------------------------------------------------------------------------
-//
-void CVRMemo::DeleteL()
-	{
-	if ( iFile.SubSessionHandle() )
-		{
-		if ( iExternalFileHandle )
-			{
-			// We shouldn't delete the file handle, so let's
-			// just empty the file
-			iFile.SetSize( 0 );
-			}
-		else
-			{
-			TFileName fileName( KNullDesC );
-			iFile.FullName( fileName );
-			iFile.Close();
-
-			TInt err( iFileMan->Delete( fileName ) );
-			if ( err != KErrNone && err != KErrNotFound )
-				{
-				// Try to open the file again so we wont end up
-				// in goofy state without open file
-				User::LeaveIfError( iFile.Open( iFs, fileName,
-				                      EFileShareReadersOnly ) );
-				User::LeaveIfError( err );
-				}
-			}
-		}
-	SetName( KNullDesC );
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::QueryAndRenameL
-// 
-// ---------------------------------------------------------------------------
-//
-TBool CVRMemo::QueryAndRenameL()
-	{
-	TVRRename renamer( iFs );
-	if ( renamer.RenameL( iFile, R_QTN_FLDR_ITEM_NAME_PRMPT ) )
-		{
-		TFileName name( KNullDesC );
-		iFile.FullName( name );
-		SetName( name );
-		
-		return ETrue;
-		}
-	return EFalse;
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::SavePermanentlyL
-// 
-// ---------------------------------------------------------------------------
-//
-void CVRMemo::SavePermanentlyL( CAknGlobalNote* /*aWaitNote*/, 
-								TInt& /*aNoteId*/,
-								const TDesC& /*aLabel*/, 
-								TBool /*aProduceCopy*/ )
-
-	{
-	// Don't do anything if recording to external file handle
-	if ( iExternalFileHandle )
-	    {
-	    return;
-	    }
-	
-	// Change file open mode to read
-	TFileName name( KNullDesC );
-	iFile.FullName( name );
-	iFile.Close();
-	User::LeaveIfError( iFile.Open( iFs, 
-									name, 
-									EFileRead|EFileShareReadersOnly) );	
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::IsValid
-// 
-// ---------------------------------------------------------------------------
-//
-TBool CVRMemo::IsValid() const
-	{
-	return iFile.SubSessionHandle() == 0 ? EFalse : ETrue;
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::UpdateModifiedDate
-// 
-// ---------------------------------------------------------------------------
-//
-void CVRMemo::UpdateModifiedDate()
-	{
-	if ( IsValid() )
-		{
-		TLocale locale;
-		iFile.Modified( iDateCreated );		
-		iDateCreated += locale.UniversalTimeOffset();
-		}
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::SetSavingLocationL
-// 
-// ---------------------------------------------------------------------------
-//
-void CVRMemo::SetSavingLocationL( const TDesC& aPath )
-	{
-	iSavingLocation = aPath;
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::DeleteEmptyFile
-// Deletes an empty file that hasn't been recorded into. After deleting 
-// also decreases central repository's memo count value
-// ---------------------------------------------------------------------------
-//	
-TBool CVRMemo::DeleteEmptyFile()
-	{
-	if ( iFile.SubSessionHandle() != 0 )
-		{
-		TInt size( 0 );
-        
-        // Error code ignored
-        iFile.Size( size );
-		
-		if ( !iIsRecorded )
-		    {
-		    TFileName name( KNullDesC );
-		    iFile.FullName( name );
-		    
-			iFile.Close();
-			iFileMan->Delete( name );			
-	
-			// Central repository value has to be decreased by one because it 
-			// was increased earlier, when current filename was generated
-			VRUtils::SetMemoCount( VRUtils::MemoCount() - 1 );
-			
-			return ETrue;
-    	    }
-		}
-		return EFalse;
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::SetFileHandle
-// 
-// ---------------------------------------------------------------------------
-//	
-void CVRMemo::SetFileHandle( RFile& aFile, const TBool aEmbedded )
-	{
-	iEmbedded = aEmbedded;
-	iExternalFileHandle = ETrue;
-	
-	iFile = aFile;
-
-	// Set the correct name for UI
-	TFileName name( KNullDesC );
-	iFile.FullName( name );
-	SetName( name );
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::MaxDuration
-// Returns in microseconds the maximum time that can be still recorded with 
-// current settings (codecs and mem storage place)
-// ---------------------------------------------------------------------------
-//	
-const TTimeIntervalMicroSeconds& CVRMemo::MaxDuration()
-	{
-	if ( iEmbedded || 
-		 !VRUtils::FeatureEnabled( EVRFeatureShowQualitySetting ) ||
-	     iQuality == EQualityMMSOptimized )
-		{
-		//Voice Recorder change to remove 1 Min. limit for AMR for Stand alone recording
-		//if embedded allow 1 min recording for EQualityMMSOptimized(AMR)
-		//else allow 1 hour recording
-		if(iEmbedded)
-			{
-			iMaxDuration = KVRMMSMemoMaxRecordLength;
-			return iMaxDuration;
-			}		
-		}
-
-	// Make the first estimate after KVRFirstEstimateTime seconds recording
-	if ( Duration() < KVRFirstEstimateTime )
-		{
-		// Fetch the setting for high quality max length
-		TInt64 max( 0 );
-		TRAPD( err, max = VRUtils::MaxLengthL() );
-		if ( err != KErrNone )
-		    {
-		    max = KVRMMSMemoMaxRecordLength;
-		    }
-
-		max = max * KVRMinuteAsMicroSeconds;
-		iMaxDuration = max;
-
-		// Reset the time of last estimate
-		TDateTime date;
-		date.SetYear( -1 );
-		iLastEstimate = date; // invalid
-		
-		return iMaxDuration;
-		}
-
-	// Make new estimate if there's no last estimate or if 10 secs have passed
-	// from the previous estimate
-	TTime currentTime;
-	currentTime.HomeTime();
-	if ( iLastEstimate.DateTime().Year() == -1 ||
-		currentTime.MicroSecondsFrom( iLastEstimate ) >=
-		        TTimeIntervalMicroSeconds( KVREstimateDelayDuration ) )
-		{
-		iLastEstimate = currentTime;
-		
-		TEntry fileEntry;
-		TFileName name( KNullDesC );
-		iFile.FullName( name );		
-
-		TInt err = iFs.Entry( name, fileEntry );
-		if( err != KErrNone )
-			{
-			return iMaxDuration;
-			}
-
-		// Retrieve free space
-		TVolumeInfo volInfo;
-
-// old storage
-#ifndef RD_MULTIPLE_DRIVE   
-		TVRMemoStore memoStore( EMemoStorePhoneMemory );
-		TRAP( err, memoStore = VRUtils::MemoStoreL() );
-        if ( err != KErrNone )
-            {
-            memoStore = EMemoStorePhoneMemory;
-		    }
- 
-		    if ( memoStore == EMemoStorePhoneMemory )
-			{
-			err = iFs.Volume( volInfo, EDriveC );			
-			}
-		else // memostore is MMC 
-			{
-			err = iFs.Volume( volInfo, EDriveE );
-			}
-			
-// multiple drive
-#else
-
-        TInt drive = 0;
-        TRAP_IGNORE(drive = VRUtils::DefaultMemoDriveL());
-		TRAP( err, drive = VRUtils::MemoDriveL() );
-        if ( err != KErrNone )
-            {
-            TRAP_IGNORE(drive = VRUtils::DefaultMemoDriveL());
-		    }       
-		err = iFs.Volume( volInfo, drive );			
-
-#endif
-
-		if( err != KErrNone )
-			{
-
-			return iMaxDuration;
-			}
-			
-		// Calculate the current disk consumption "speed" of the memo
-		TReal speed( fileEntry.iSize / ( Duration().Int64() / 
-			KVRSecondAsMicroSeconds ) );
-		
-		// The total free memory
-		TInt64 freeSpace(volInfo.iFree);
-		// Free memory if Critical Memory isn't taken into account
-		TInt64 freeSpaceMinusCrlevel( freeSpace -  KDRIVECCRITICALTHRESHOLD);
-		
-		// Estimate the time left
-		TInt64 value( freeSpaceMinusCrlevel / speed );
-		TTimeIntervalMicroSeconds estimate( value * KVRSecondAsMicroSeconds );
-
-		// Estimate should include also the length of clip
-		estimate = TTimeIntervalMicroSeconds( estimate.Int64()
-										 + Duration().Int64() );
-		if ( estimate < iMaxDuration)
-			{
-			iMaxDuration = estimate;
-			}
-		}
-
-	return iMaxDuration;
-	}
-
-
-// ---------------------------------------------------------------------------
-// CVRMemo::IsRecorded
-// Returns the attribute iIsRecorded value that indicates if the recording of
-// the clip currently open is started or not
-// ---------------------------------------------------------------------------
-//	
-TBool CVRMemo::IsRecorded() const
-	{
-	return iIsRecorded;
-	}	 
-		
-
-// ---------------------------------------------------------------------------
-// CVRMemo::SetRecorded
-// Sets the value of iIsRecorded attribute
-// ---------------------------------------------------------------------------
-//		
-void CVRMemo::SetRecorded( TBool aRecorded )
-	{
-	iIsRecorded = aRecorded;
-	}
-	
-// End of file