imaging/imagingfws/resolver/ImageConversionResolver.h
changeset 0 5752a19fdefe
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imaging/imagingfws/resolver/ImageConversionResolver.h	Wed Aug 25 12:29:52 2010 +0300
@@ -0,0 +1,74 @@
+// Copyright (c) 1997-2009 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:
+// Not for public use
+// 
+//
+
+#ifndef __IMAGECONVERSIONRESOLVER_H__
+#define __IMAGECONVERSIONRESOLVER_H__
+
+#include <e32std.h>
+#include <ecom/resolver.h>
+#include <ecom/publicregistry.h>
+#include <ecom/ecomresolverparams.h>
+#include "ImageResolverAPI.h"
+
+/**
+ * Help sorting of the plugin list for EMatchString and EMatchMIMEType
+ * by saving the extra sorting criteria.
+ *
+ */
+class TSortImplInfo
+	{
+public:
+	TSortImplInfo(CImplementationInformation *const aImplInfo, TInt aMatchLevel);
+	TSortImplInfo(CImplementationInformation *const aImplInfo, TInt aMatchLevel, TInt aOptionsMatchLevel);
+public:
+	CImplementationInformation *const iImplInfo; //Not owned
+	TInt iMatchLevel;
+	TInt iOptionsMatchLevel;
+	};
+
+/**
+ *
+ * This is the custom resolver for the Image Conversion Library
+ *
+ * It selects a plugin by either match string or by image type and sub-type
+ * or can be used to return a list of available types or sub-types. In all
+ * cases it ignores Disabled plugins and also those that have been superceded
+ * by a later version.
+ *
+ * @since 7.0s
+ */
+class CImageConversionResolver : public CResolver
+	{
+public:
+	static CImageConversionResolver* NewL(MPublicRegistry& aRegistry);
+
+	~CImageConversionResolver();
+	// from CResolver
+	TUid IdentifyImplementationL(TUid aInterfaceUid, const TEComResolverParams& aAdditionalParameters) const;
+	RImplInfoArray* ListAllL(TUid aInterfaceUid, const TEComResolverParams& aAdditionalParameters) const;
+
+private:
+	explicit CImageConversionResolver(MPublicRegistry& aRegistry);
+	TUid ResolveL(const RImplInfoArray& aImplementationsInfo, const TEComResolverParams& aAdditionalParameters) const;
+	static TInt SortAsending(const TSortImplInfo& aImpInfo1, const TSortImplInfo& aImpInfo2);
+	static TInt SortDesending(const TSortImplInfo& aImpInfo1, const TSortImplInfo& aImpInfo2);
+	};
+
+
+
+#endif // __IMAGECONVERSIONRESOLVER_H__
+