mobilemessaging/msgmedia/src/MsgMediaInfo.cpp
changeset 0 72b543305e3a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mobilemessaging/msgmedia/src/MsgMediaInfo.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,279 @@
+/*
+* 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:  
+*       Base class for different media type info classes.
+*
+*/
+
+
+
+
+// INCLUDE FILES
+#include <e32std.h>
+#include <e32base.h> // CBase
+#include <apmstd.h>  // TDataType
+#include <f32file.h> // RFs, RFile
+#include <apgcli.h>  // RApaLsSession
+
+#include <caf/caf.h>
+#include <DRMCommon.h> // Just for error codes
+#include <DRMHelper.h>
+#include <fileprotectionresolver.h>
+
+#include "MsgMediaInfo.h"
+
+// EXTERNAL DATA STRUCTURES
+
+// EXTERNAL FUNCTION PROTOTYPES  
+
+// CONSTANTS
+
+// MACROS
+
+// LOCAL CONSTANTS AND MACROS
+
+// MODULE DATA STRUCTURES
+
+// LOCAL FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CMsgMediaInfo* CMsgMediaInfo::NewL( RFile& aFile, 
+                                            TDataType& aMimeType,
+                                            TMsgMediaType aMediaType )
+    {
+    CMsgMediaInfo* self = new( ELeave ) CMsgMediaInfo( aMimeType, aMediaType );
+    CleanupStack::PushL( self );
+    self->ConstructL( aFile );
+    CleanupStack::Pop( self );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::CMsgMediaInfo
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CMsgMediaInfo::CMsgMediaInfo( TDataType& aDataType, TMsgMediaType aMediaType ):
+    CActive( EPriorityLow ),
+    iMimeType( aDataType ),
+    iFileSize( 0 ),
+    iModificationTime(),
+    iMediaType( aMediaType ),
+    iDuration( 0 ),
+    iProtection( EFileProtNoProtection ),
+    iParsed( EFalse ),
+    iHandlerAppUid( KNullUid )
+    {
+    CActiveScheduler::Add( this );
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaInfo::ConstructL( RFile& aFile )
+    {
+    TFileName fullName;
+    User::LeaveIfError( aFile.FullName( fullName ) );
+    User::LeaveIfError( aFile.Size( iFileSize ) );
+    User::LeaveIfError( aFile.Modified( iModificationTime ) );
+    iFullFilePath = fullName.AllocL();
+    }
+    
+// -----------------------------------------------------------------------------
+// Destructor
+// -----------------------------------------------------------------------------
+//
+CMsgMediaInfo::~CMsgMediaInfo()
+    {
+    Cancel();
+    iObserver = NULL;
+    iDRMHelper = NULL;
+    iFile.Close();
+    delete iFullFilePath;
+    delete iContentURI;
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::ParseInfoDetails
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMsgMediaInfo::ParseInfoDetails( RFile& aFile, CDRMHelper& aDRMHelper, MMediaInfoObserver& aObserver )
+    {
+    iObserver = &aObserver;
+    iDRMHelper = &aDRMHelper;
+    iFile.Duplicate( aFile );
+    // Actual parsing is done in RunL (of each media info class).
+    CompleteSelf( KErrNone );
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::ParseInfoDetailsL
+//
+// Deprecated. Use the non-leaving version instead.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMsgMediaInfo::ParseInfoDetailsL( RFile& aFile, CDRMHelper& aDRMHelper, MMediaInfoObserver& aObserver )
+    {
+    ParseInfoDetails( aFile, aDRMHelper, aObserver );
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::SetFileL
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CMsgMediaInfo::SetFileL( RFile& aFile )
+    {
+    TBool oldParsed = iParsed;
+    iParsed = EFalse;
+
+    delete iFullFilePath;
+    iFullFilePath = NULL;
+    
+    TFileName fullName;
+    User::LeaveIfError( aFile.FullName( fullName ) );
+    User::LeaveIfError( aFile.Size( iFileSize ) );
+    User::LeaveIfError( aFile.Modified( iModificationTime ) );
+    iFullFilePath = fullName.AllocL();
+
+    iParsed = oldParsed;
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::Corrupt
+// -----------------------------------------------------------------------------
+//
+EXPORT_C TBool CMsgMediaInfo::Corrupt() const
+    {
+    TBool corrupt( ETrue );
+    switch ( iParseError )
+        {
+        case KErrNone:
+        case KErrNoMemory:
+        case KErrInUse:
+        case DRMCommon::ENoRights:
+        case DRMCommon::ERightsExpired:
+        case DRMCommon::EInvalidRights:
+            corrupt = EFalse;
+            break;
+        default:
+            // All other errors are interpreted as corrupt
+            break;
+        }
+    return corrupt;
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::DoCancel
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaInfo::DoCancel()
+    {
+    iFile.Close();
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::RunL
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaInfo::RunL()
+    {
+    // Never fails since does actually nothing.
+    iParsed = ETrue;
+    CompleteObserver();
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::RunError
+// -----------------------------------------------------------------------------
+//
+TInt CMsgMediaInfo::RunError( TInt aError )
+    {
+    CompleteSelf( aError );
+    return KErrNone;
+    }
+	
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::CompleteSelf
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaInfo::CompleteSelf( TInt aError )
+    {
+    iStatus = KRequestPending;
+    TRequestStatus* pStatus = &iStatus;
+    SetActive();
+    User::RequestComplete( pStatus, aError );
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::CompleteSelf
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaInfo::CompleteObserver()
+    {
+    iFile.Close();
+    ReleaseRights();
+    iDRMHelper = NULL;
+    iObserver->MediaInfoParsed();
+    iObserver = NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::FreezeRights
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaInfo::FreezeRights()
+    {
+    if ( iProtection & ( EFileProtForwardLocked | EFileProtSuperDistributable ) &&
+        iContentURI && iContentURI->Length() )
+        {
+        TInt err = iDRMHelper->Consume2(
+            *iContentURI,
+            ContentAccess::EInstall,
+            CDRMHelper::EStart );
+        if ( !err )
+            {
+            iConsumed = ETrue;
+            }
+        }
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMediaInfo::ReleaseRights
+// -----------------------------------------------------------------------------
+//
+void CMsgMediaInfo::ReleaseRights()
+    {
+    if ( iConsumed )
+        {
+        /*TInt ignore =*/ 
+        iDRMHelper->Consume2(
+            *iContentURI,
+            ContentAccess::EInstall,
+            CDRMHelper::EFinish );
+        iConsumed = EFalse;
+        }
+    }
+
+//  End of File