--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/messagingappbase/msgmedia/src/MsgMediaResolver.cpp Fri Jun 04 10:25:39 2010 +0100
@@ -0,0 +1,354 @@
+/*
+* Copyright (c) 2005 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:
+* Recognizes MIME type for a file.
+* Maps MIME types to media types.
+* Creates media info object for a file.
+*
+*/
+
+
+
+
+// INCLUDE FILES
+#include <e32std.h>
+#include <e32base.h> // CBase
+#include <apmstd.h> // TDataType
+#include <f32file.h> // RFs, RFile
+#include <apgcli.h> // RApaLsSession
+#include <apmrec.h>
+
+#include <coemain.h>
+#include <barsread.h>
+#include <bautils.h>
+#include <data_caging_path_literals.hrh>
+
+#include <DRMHelper.h>
+#include <fileprotectionresolver.h>
+
+// Features
+#include <featmgr.h>
+#include <bldvariant.hrh>
+#include <MessagingVariant.hrh>
+
+// Resources
+#include <MsgMimeToMediaMapping.rsg>
+
+#include "MsgMedia.hrh"
+#include "MsgMediaResolver.h"
+#include "MsgMediaTypeGroup.h"
+#include "MsgMediaPanic.h"
+#include "MsgMediaInfo.h"
+#include "MsgImageInfo.h"
+#include "MsgAudioInfo.h"
+#include "MsgTextInfo.h"
+#include "MsgVideoInfo.h"
+#include "MsgMimeTypes.h"
+
+// LOCAL CONSTANTS AND MACROS
+// Unrecognised media type is 'x-epoc/x-app0'.
+// Media type 'x-epoc/x-appN', in which N>0 may also be possible.
+// N stands for Uid of the app handling the content on the Symbian OS platform
+_LIT8( KMmsSymbianInternalPattern, "x-epoc/x-app0");
+
+_LIT( KMsgMediaResourceFileName, "MsgMimeToMediaMapping.rsc" );
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// Factory
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMsgMediaResolver* CMsgMediaResolver::NewLC()
+ {
+ CMsgMediaResolver* self = new ( ELeave ) CMsgMediaResolver();
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// Factory
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMsgMediaResolver* CMsgMediaResolver::NewL()
+ {
+ CMsgMediaResolver* self = NewLC();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// C++ constructor
+// -----------------------------------------------------------------------------
+//
+CMsgMediaResolver::CMsgMediaResolver() :
+ iRecognizeCharSet( ETrue ) // CharSet recognition is on by default.
+ {
+ }
+
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CMsgMediaResolver::~CMsgMediaResolver()
+ {
+ if ( iWait.IsStarted() )
+ {
+ // Stop active wait.
+ iWait.AsyncStop();
+ }
+
+ iFs.Close();
+ iApaLsSession.Close();
+ iMimeGroupArray.ResetAndDestroy();
+ delete iFileProt;
+ delete iDRMHelper;
+ }
+
+// -----------------------------------------------------------------------------
+// 2nd phase constructor
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaResolver::ConstructL()
+ {
+ // Create own shared file server session.
+ User::LeaveIfError( iFs.Connect() );
+ User::LeaveIfError( iFs.ShareProtected() );
+ User::LeaveIfError( iApaLsSession.Connect() );
+
+ iDRMHelper = CDRMHelper::NewL();
+ iFileProt = CFileProtectionResolver::NewL( iFs );
+ CreateMediaTypeGroupsL();
+ }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaResolver::CreateMediaTypeGroupsL
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaResolver::CreateMediaTypeGroupsL()
+ {
+ TFileName fileName;
+ TFindFile finder( iFs );
+ //Search Y->A then Z:
+ TInt err = finder.FindByDir( KMsgMediaResourceFileName, KDC_RESOURCE_FILES_DIR );
+ if(err == KErrNone)
+ {
+ fileName = finder.File();
+ RResourceFile resourceFile;
+ resourceFile.OpenL( iFs, fileName );
+ CleanupClosePushL( resourceFile );
+ resourceFile.ConfirmSignatureL( 0 );
+
+ HBufC8* dataBuffer = resourceFile.AllocReadLC( R_MSG_MEDIAGROUPS );
+
+ TResourceReader reader;
+ reader.SetBuffer( dataBuffer );
+
+ TInt numMediaGroups( reader.ReadInt16() );
+
+ for ( TInt i = 0; i < numMediaGroups; i++ )
+ {
+ CMsgMediaTypeGroup* mimeTypeGroup = CMsgMediaTypeGroup::NewLC( reader );
+ iMimeGroupArray.AppendL( mimeTypeGroup );
+ CleanupStack::Pop( mimeTypeGroup );
+ }
+
+ CleanupStack::PopAndDestroy( 2, &resourceFile ); // resourceFile.Close, dataBuffer
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaResolver::FileHandleL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C RFile CMsgMediaResolver::FileHandleL( const TDesC& aFileName )
+ {
+ RFile file;
+ User::LeaveIfError( file.Open( iFs, aFileName, EFileRead | EFileShareReadersOnly ) );
+ return file;
+ }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaResolver::RecognizeL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMsgMediaResolver::RecognizeL( RFile& aFile,
+ TDataType& aMimeType )
+ {
+ TFileName* name = new ( ELeave ) TFileName;
+ CleanupStack::PushL( name );
+ User::LeaveIfError( aFile.Name( *name ) );
+ TParsePtrC parse( *name );
+ if ( parse.Ext().CompareF( KMsgExtSmil1 ) == 0 ||
+ parse.Ext().CompareF( KMsgExtSmil2 ) == 0 ||
+ parse.Ext().CompareF( KMsgExtSmil3 ) == 0 )
+ {
+ aMimeType = KMsgMimeSmil();
+ }
+ else
+ {
+ TDataRecognitionResult dataType;
+ TInt err = iApaLsSession.RecognizeData( aFile, dataType );
+ // Unrecognised content and no leaves in recogniser plugins
+ // return err = KErrNone & dataType = 'x-epoc/x-app0'.
+ // Unrecognised content and a leave in recogniser plugins
+ // return err = <leave-code-in-recogniser>
+ if ( err
+ || dataType.iDataType.Des8().Length() == 0
+ || !dataType.iDataType.Des8().CompareF( KMmsSymbianInternalPattern ) )
+ {
+ // Not recognized
+ aMimeType = KMsgMimeUnknown();
+ }
+ else
+ {
+ aMimeType = dataType.iDataType;
+ }
+ }
+ CleanupStack::PopAndDestroy( name );
+ }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaResolver::MediaType
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TMsgMediaType CMsgMediaResolver::MediaType( const TDesC8& aMimeType ) const
+ {
+ TInt mimeGroupCount( iMimeGroupArray.Count() );
+ for ( TInt i = 0; i < mimeGroupCount; i++ )
+ {
+ CMsgMediaTypeGroup* group = iMimeGroupArray[ i ];
+ if ( group->HasMimeType( aMimeType ) )
+ {
+ return group->MediaType();
+ }
+ }
+ return EMsgMediaUnknown;
+ }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaResolver::MediaInfoL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMsgMediaInfo* CMsgMediaResolver::CreateMediaInfoL( RFile& aFile )
+ {
+ TDataType* mimeType = new ( ELeave ) TDataType;
+ CleanupStack::PushL( mimeType );
+ RecognizeL( aFile, *mimeType );
+ CMsgMediaInfo* info = DoCreateMediaInfoL( aFile, *mimeType );
+ CleanupStack::PopAndDestroy( mimeType );
+ return info;
+ }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaResolver::MediaInfoL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMsgMediaInfo* CMsgMediaResolver::CreateMediaInfoL( RFile& aFile, TDataType& aMimeType )
+ {
+ return DoCreateMediaInfoL( aFile, aMimeType );
+ }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaResolver::ParseInfoDetailsL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMsgMediaResolver::ParseInfoDetailsL( CMsgMediaInfo* aInfo, RFile& aFile )
+ {
+ aInfo->ParseInfoDetailsL( aFile, *iDRMHelper, *this );
+ if ( iWait.IsStarted() )
+ {
+ // Stop active wait.
+ iWait.AsyncStop();
+ }
+ // Start active wait
+ iWait.Start();
+ }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaResolver::DoCreateMediaInfoL
+// -----------------------------------------------------------------------------
+//
+CMsgMediaInfo* CMsgMediaResolver::DoCreateMediaInfoL( RFile& aFile,
+ TDataType& aMimeType )
+ {
+ CMsgMediaInfo* mediaInfo = NULL;
+ TMsgMediaType mediaType = MediaType( aMimeType.Des8() );
+ switch ( mediaType )
+ {
+ case EMsgMediaText:
+ {
+ mediaInfo = CMsgTextInfo::NewL( aFile, aMimeType, iFs );
+ if ( !iRecognizeCharSet )
+ {
+ // Suppress charset recognition.
+ static_cast< CMsgTextInfo* >( mediaInfo )->SetCharacterSet( 0 );
+ }
+ break;
+ }
+ case EMsgMediaImage:
+ {
+ mediaInfo = CMsgImageInfo::NewL( aFile, aMimeType );
+ break;
+ }
+ case EMsgMediaVideo:
+ {
+ mediaInfo = CMsgVideoInfo::NewL( aFile, aMimeType );
+ break;
+ }
+ case EMsgMediaAudio:
+ {
+ mediaInfo = CMsgAudioInfo::NewL( aFile, aMimeType );
+ break;
+ }
+ case EMsgMediaUnknown:
+ default:
+ {
+ mediaInfo = CMsgMediaInfo::NewL( aFile, aMimeType, mediaType );
+ break;
+ }
+ }
+
+ CleanupStack::PushL( mediaInfo );
+
+ TUid appUid( KNullUid );
+ // Ignore possible error.
+ TInt err = iApaLsSession.AppForDataType( aMimeType, appUid );
+ mediaInfo->SetHandlerApplicationUid( appUid );
+
+ HBufC8* drmUri = NULL;
+ TInt protection = iFileProt->ProtectionStatusL( aFile, aMimeType, drmUri );
+ mediaInfo->SetProtection( protection );
+ mediaInfo->SetDRMContentURI( drmUri ); // ownership transferred
+
+ CleanupStack::Pop( mediaInfo );
+
+ return mediaInfo;
+ }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaResolver::MediaInfoParsed
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaResolver::MediaInfoParsed()
+ {
+ if ( iWait.IsStarted() )
+ {
+ // Stop active wait.
+ iWait.AsyncStop();
+ }
+ }
+
+// End of File