--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browserui/browser/BrowserAppInc/BrowserPopupEngine.h	Mon Mar 30 12:49:49 2009 +0300
@@ -0,0 +1,167 @@
+/*
+* 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 the License "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:  Header file for CBrowserPopupEngine
+*
+*
+*/
+
+
+#ifndef __BROWSERPOPUPENGINE_H
+#define __BROWSERPOPUPENGINE_H
+
+// INCLUDE FILES 
+#include <f32file.h>
+#include <e32base.h>
+#include <badesca.h>
+
+// CLASS DECLARATION
+
+/**
+*  CBrowserPopupEngine.
+* 
+*  @lib Browser.app
+*  @since Series 60 3.0 
+*/
+class CBrowserPopupEngine : public CBase
+{
+	public:// Constructors and destructor
+        /**
+        * Default constructor.
+        */
+    	CBrowserPopupEngine();
+        /**
+        * Destructor.
+        */
+    	~CBrowserPopupEngine();
+        static CBrowserPopupEngine* NewLC();
+        static CBrowserPopupEngine* NewL();	
+    public:// New functions
+        /**
+        * Adds url to white list
+        * @param aUrl url to ad to white list
+        */
+    	void AddUrlToWhiteListL(const TDesC& aUrl);
+        /**
+        * Checks whether the url is on the white list
+        * @param aUrl url to check
+        * @return ETrue if the url is on white list
+        */
+    	TBool IsUrlOnWhiteListL(const TDesC& aUrl);
+
+        void RemoveUrlFromWhiteListL(const TDesC& aUrl);
+   	
+	private:
+    	void ConstructL();
+        /**
+        * Checks whether the url is in white cache
+        * @param aUrl url to check
+        * @return ETrue if the url is in white cache
+        */
+        TBool IsUrlInWhiteCacheL(const TDesC& aUrl);
+        /**
+        * Checks whether the url is in the white file
+        * @param aUrl url to check
+        * @return ETrue if the url is in white file
+        */
+        TBool IsUrlInWhiteFileL(const TDesC& aUrl);
+        /**
+        * Checks whether the url is in file
+        * @param aUrl url to check
+        * @return ETrue if the url is in file
+        */
+        TBool IsUrlInFileL(const RFile* aFile, const TDesC& aUrl);
+        /**
+        * Checks whether the url is in the cache
+        * @param aUrl url to check
+        * @return ETrue if the url is in cache
+        */
+        TBool IsUrlInCacheL( const CDesCArrayFlat* aCacheArray, const TDesC& aUrl, const TInt aLoadedurlno );
+        /**
+        * Loads urls to cache
+        * @param aFile file where from the urls will be loaded
+        * @param aCacheArray where to load the urls
+        * @param aLoadedUrlNo number of loaded urls
+        */
+        void LoadUrlsToCacheL(const RFile* aFile, CDesCArrayFlat* aCacheArray, TInt* aLoadedUrlNo);
+        /**
+        * Adds url to cache
+        * @param aCacheArray array where to add the url
+        * @param aUrl url to add to cache
+        */
+        void AddUrlToCacheL( CDesCArrayFlat* aCacheArray, const TDesC& aUrl );
+        /**
+        * Converts TDesc16 to TPtrC8
+        * @param aString string to convert
+        * @return a TPtrC8
+        */
+        TPtrC8 TDesC16ToTPtrC8(const TDesC16 &aString);
+        /**
+        * Converts TDesc8 to TPtrC16
+        * @param aString string to convert
+        * @return a TPtrC16
+        */
+        TPtrC16 TDesC8ToTPtrC16(const TDesC8 &aString);
+        /**
+        * Converts TDesc16 to HBufC8
+        * @param aString string to convert
+        * @return a pointer to HBufC8
+        */       
+        HBufC8 *TDesC16ToHBufC8LC(const TDesC16 &string);        
+        /**
+        * Converts TDesc8 to HBufC16
+        * @param aString string to convert
+        * @return a pointer to HBufC16
+        */       
+        HBufC16 *TDesC8ToHBufC16LC(const TDesC8 &aString);
+        /**
+        * Opens the database
+        * @param aFile pointer to the file handle
+        * @param aIsBlack whether the databas is black 
+        * @return 
+        */
+        void OpenDatabaseL(RFile* aFile);
+        /**
+        * Handles order changes in the database
+        * @param aFile database file
+        * @param aUrl the url which cause the hange
+        * @param aExists whether the url exists in the database allready
+        * @param aIsBlack whether the database is black
+        * @param aToAdd whether to add the url to the database
+        * @return 
+        */
+        void HandleUrlOrderChangeL(RFile* aFile, const TDesC& aUrl, const TBool aExists,const TBool aToAdd );
+        /**
+        * Removes Url from the cache
+        * @param aCacheArray 
+        * @param aUrl
+        * @param aCacheNo
+        * @return 
+        */
+        void RemoveUrlFromCacheL( CDesCArrayFlat* aCacheArray, const TDesC& aUrl, TInt &aCacheNo );
+        /**
+        * Checks whether the database is valid
+        * @param aFile pointer to the file which will be checked
+        * @return ETrue if the file is OK
+        */
+        TBool CheckDbValidity(RFile* aFile);
+        //member variables
+    	RFs iFs;
+    	RFile iWhiteListFile;//stores the white urls
+        CDesCArrayFlat* iCachedWhiteUrls;//owned
+        TInt iWhiteCacheNo;//number of white urls loaded to cache
+};
+
+
+
+#endif //__BROWSERPOPUPENGINE_H
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