--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/uigraphics/AknIcon/src/AknFileProviderIconManager.cpp Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,179 @@
+/*
+* Copyright (c) 2002 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: Implementation of class CAknFileProviderIconManager.
+*
+*/
+
+
+
+
+// INCLUDE FILES
+#include <mifconvdefs.h>
+#include "AknFileProviderIconManager.h"
+#include "AknIconUtils.h"
+#include "AknBitmap.h"
+#include "AknIconPanic.h"
+#include "AknIconTraces.h"
+
+
+// ============================ GLOBAL FUNCTIONS ===============================
+
+GLREF_C void CleanupFileProvider( TAny* aParam )
+ {
+ static_cast<MAknIconFileProvider*>( aParam )->Finished();
+ }
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CAknFileProviderIconManager::CAknFileProviderIconManager
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CAknFileProviderIconManager::CAknFileProviderIconManager(
+ MAknIconFileProvider& aFileProvider,
+ const TInt16 aBitmapId,
+ const TInt16 aMaskId ) :
+ iFileProvider( aFileProvider ), iFileType( -1 )
+ {
+ iBitmapId = aBitmapId;
+ iMaskId = aMaskId;
+ }
+
+CAknFileProviderIconManager* CAknFileProviderIconManager::NewL(
+ MAknIconFileProvider& aFileProvider,
+ const TInt16 aBitmapId,
+ const TInt16 aMaskId )
+ {
+ // Make sure that MAknIconFileProvider::Finished is called if manager creation fails.
+ CleanupStack::PushL( TCleanupItem( CleanupFileProvider, &aFileProvider ) );
+
+ CAknFileProviderIconManager* self = new( ELeave )
+ CAknFileProviderIconManager( aFileProvider, aBitmapId, aMaskId );
+
+ // From now on, MAknIconFileProvider::Finished is called by
+ // CAknFileProviderIconManager destructor.
+
+ CleanupStack::Pop(); // CleanupFileProvider
+
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop();
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CAknFileProviderIconManager::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CAknFileProviderIconManager::ConstructL()
+ {
+ FileHandleL( MAknIconFileProvider::EMifFile );
+
+ // Verify the file name and store information of it.
+ TFileName name;
+ User::LeaveIfError( iFile.FullName( name ) ); // This causes a server call.
+
+#ifdef __AKNICON_TRACES
+ RDebug::Print( _L("AknIcon: %x CAknFileProviderIconManager::ConstructL - iFile: %S"), this, &name);
+#endif
+ // Test that the given file has the correct extension.
+ if ( name.Length() <= KExtensionLength )
+ {
+ User::Leave( KErrArgument );
+ }
+
+ if ( name.Right( KExtensionLength ).CompareF( KMifExtension ) )
+ {
+ User::Leave( KErrArgument );
+ }
+
+ InitIconFileNameL(name);
+ }
+
+// Destructor
+CAknFileProviderIconManager::~CAknFileProviderIconManager()
+ {
+ iFile.Close();
+
+ // Informs the file provider object that it is not needed any more.
+ // It is the responsibility of its implementation to take care of
+ // deleting self.
+ iFileProvider.Finished();
+ }
+
+// -----------------------------------------------------------------------------
+// CAknFileProviderIconManager::LoadBitmapIconL
+// -----------------------------------------------------------------------------
+//
+void CAknFileProviderIconManager::LoadBitmapIconL()
+ {
+ RFile* file = FileHandleL( MAknIconFileProvider::EMbmFile );
+
+ User::LeaveIfError( iBitmap->Load( *file, iBitmapId ) );
+
+ if ( iMask )
+ {
+ User::LeaveIfError( iMask->Load( *file, iMaskId ) );
+ }
+ }
+
+// -----------------------------------------------------------------------------
+// CAknFileProviderIconManager::FileHandleL
+// -----------------------------------------------------------------------------
+//
+RFile* CAknFileProviderIconManager::FileHandleL(
+ MAknIconFileProvider::TIconFileType aType )
+ {
+ if ( !iFile.SubSessionHandle() || iFileType != aType )
+ {
+ iFile.Close();
+ iFileType = -1;
+ iFileProvider.RetrieveIconFileHandleL( iFile, aType );
+ iFileType = aType;
+#ifdef _DEBUG
+ // Verify that the file name has not changed after calling ConstructL
+ if (iFileName)
+ {
+ TFileName origname, currname;
+ GetFullFileName( origname );
+ User::LeaveIfError( iFile.FullName( currname ) );
+ if (origname.Length() < KExtensionLength ||
+ currname.Length() < KExtensionLength ||
+ (origname.SetLength( origname.Length() - KExtensionLength ),
+ currname.SetLength( currname.Length() - KExtensionLength ),
+ origname.CompareF(currname)))
+ {
+ User::Panic( KAknIconPanicCategory, EFileProviderCorrupt );
+ }
+ }
+#endif
+ }
+
+ return &iFile;
+ }
+
+// -----------------------------------------------------------------------------
+// CAknFileProviderIconManager::ReleaseFileHandle
+// -----------------------------------------------------------------------------
+//
+void CAknFileProviderIconManager::ReleaseFileHandle()
+ {
+ CAknIconManager::ReleaseFileHandle();
+ iFile.Close();
+ }
+
+// End of File