--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/remotecontrol/avrcp/mediabrowseapi/public/remcondatabaseunawaremedialibrarybrowseobserver.h	Wed Oct 13 16:20:29 2010 +0300
@@ -0,0 +1,147 @@
+// Copyright (c) 2008-2009 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:
+//
+
+
+
+/**
+ @file
+ @publishedAll
+ @released
+*/
+
+#ifndef REMCONDATABASEUNAWAREMEDIALIBRARYBROWSEOBSERVER_H
+#define REMCONDATABASEUNAWAREMEDIALIBRARYBROWSEOBSERVER_H
+
+NONSHARABLE_CLASS(MRemConDatabaseUnawareMediaLibraryBrowseObserver)
+	{
+public:
+	/**
+	This requests a list of the items present in a folder.  No metadata is 
+	requested, that can be retrieved separately on a per item basis.  
+	
+	The result should be returned via a call to
+	MRemConDatabaseUnawareMediaLibraryBrowse::MrcdumlbFolderListing(). And 
+	the ordering should be as shown locally, but should list folders before
+	media element items.
+	
+	@param aScope The scope in which the folder listing is made. 
+	       This indicates which listing should be returned. If the scope is 
+	       EBrowseFolder then the contents of the current browsed 
+	       folder should be returned. If it is the ESearchResultFolder scope 
+	       then the contents of the folder populated by the last search 
+	       should be returned.
+	
+	@param aStartItem The offset into the folder listing of the first item to 
+	       retrieve. If there is no media available at this offset the error 
+	       KErrMediaBrowseInvalidOffset should be returned via the result call
+	       to MrcdumlbFolderListing().
+	
+	@param aEndItem The offset into the folder listing of the final item to
+	       retrieve. If this is beyond the end of the folder listing then the 
+	       items from the aStartItem offset to the end of the listing should 
+	       be returned via the result call to MrcdumlbFolderListing().
+	*/
+	virtual void MrcdumlboGetFolderListing(TRemConFolderScope aScope,
+			TUint aStartItem, 
+			TUint aEndItem) = 0;
+	
+	/**
+	Requests a specific item which may be a folder item or a media element 
+	item. 
+	
+	If it returns KErrNone the client must return the metadata for the 
+	requested item through the response function either
+	MRemConDatabaseUnawareMediaLibraryBrowse::MrcdumlbFolderItemResult() 
+	or 
+	MRemConDatabaseUnawareMediaLibraryBrowse::MrcdumlbMediaElementItemResult()
+	according to the item type which is a folder item or media element item.
+	If it is unable to process this call then it can return error but not
+	call the response function.
+	
+	@param aScope The scope in which the item is present.  If the scope is 
+	       EBrowseFolder then the item is present in the media library's 
+	       virtual filesystem. If it is the ESearchResultFolder scope then the
+	       item is present in the current set of search results.
+	
+	@param aItemId The UID for the requested Item.
+	
+	@param aIter An iterator for TMediaAttributeIds containing a list of 
+	       TMediaAttributeIds requested by the controller. It is intended for
+	       the media element item, so omit it if the item is a folder item.
+
+	@return The call back result.
+	      - KErrNone If success.
+	      - The appropriate error code.
+    */
+	virtual TInt MrcdumlboGetItem(TRemConFolderScope aScope,
+			const TRemConItemUid& aItemId, 
+			TMediaAttributeIter& aIter) = 0;
+	
+	/**
+	This requests that the current position within the folder heirarchy is 
+	moved to the next folder up.
+	
+	The result of this operation must be returned via a call to 
+	MRemConDatabaseUnawareMediaLibraryBrowse::MrcdumlbFolderUpResult().
+	*/
+	virtual void MrcdumlboFolderUp() = 0;
+	
+	/**
+	This requests that the current position within the folder hierarchy is 
+	moved to the child folder of the current folder specified by aFolder.
+	 
+	The result of this operation must be returned via a call to 
+	MRemConDatabaseUnawareMediaLibraryBrowse::MrcdumlbFolderDownResult().
+	 
+	@param aFolder The child folder to change into.
+	*/
+	virtual void MrcdumlboFolderDown(const TRemConItemUid& aFolder) = 0;
+	
+	/**
+	This requests the current path. 
+	
+	The client is responsible for appending items to the array then call 
+	MrcdumlbGetPathResult() when completed. Once the item is appended in the 
+	array the ownership of the item is taken so the client should keep the 
+	item valid and never destroy the item. If the client can append the items 
+	successfully then it must return a result via MrcdumlbGetPathResult(). 
+	If the client appends some items to the array but then fails to append all
+	the items then it must return an error via MrcdumlbGetPathResult().
+	
+	@see MRemConDatabaseUnawareMediaLibraryBrowse::MrcdumlbGetPathResult()
+	 
+	@param aPath The current path. 
+	       Each entry in the array in one level of the path.  For example the 
+	       path /A/B/C would be provided as:
+	       aPath[0] 'A'
+	       aPath[1] 'B'
+	       aPath[2] 'C'
+	       All string are in UTF-8.
+	*/
+	virtual void MrcdumlboGetPath(RPointerArray<HBufC8>& aPath) = 0;
+	
+	/**
+	Perform a search in the current location for items 
+	matching the search string.
+	
+	@param aSearch The string to search on in UTF-8. The client can use it until 
+	         the client has called MrcdumlbSearchResult().
+	
+	@see MRemConDatabaseUnawareMediaLibraryBrowse::MrcdumlbSearchResult()
+	*/
+	virtual void MrcdumlboSearch(const TDesC8& aSearch) = 0;
+	};
+
+#endif //REMCONDATABASEUNAWAREMEDIALIBRARYBROWSEOBSERVER_H