/*
* Copyright (c) 2006 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: Collection observer
*
*/
#ifndef MMPXCOLLECTIONOBSERVER_H
#define MMPXCOLLECTIONOBSERVER_H
#include<mpxcollectionframeworkdefs.h>
#include <mpxmessage2.h>
#include <mpxcommand.h>
class MDesCArray;
class TMPXCollectionMessage;
class CMPXCollectionPlaylist;
class MMPXCollectionFindObserver;
/********************************************************************************
*
* Note:
*
* ** remove TMPXCollectionMessage and associated funtions
*
* ** remove null implementations
*
*********************************************************************************/
NONSHARABLE_CLASS(MMPXCollectionMediaObserver)
{
public:
/**
* Handle extended media properties.
*
* @since S60 3.2.3
* @param aMedia media
* @param aError error code
*/
virtual void HandleCollectionMediaL(const CMPXMedia& aMedia,
TInt aError) = 0;
};
/**
* Interface for receiving data asynchronously
*/
NONSHARABLE_CLASS(MMPXCollectionObserver) : public MMPXCollectionMediaObserver
{
public:
/**
*
*
* Handle collection message
* NOTE: only one of HandleCollectionMessage callback can be implemented
*
* @param aMessage collection message
* @deprecated please implement HandleCollectionMessage(CMPXMessage* aMsg, TInt aErr)
*/
virtual void HandleCollectionMessageL(const CMPXMessage& /*aMsg*/) {/* */}
/**
* Handle collection message.
* NOTE: only one of HandleCollectionMessage callback can be implemented
*
* @since S60 3.2.3
* @param aMessage collection message, ownership not transferred.
* Please check aMsg is not NULL before using it. If aErr is not
* KErrNone, plugin might still call back with more info in the aMsg.
* @param aErr system error code
*/
virtual void HandleCollectionMessage(CMPXMessage* aMsg, TInt /*aErr*/)
{
// Note change into pure virtual when all clients updated
// Temp solution, aMsg will be a dummy object if aErr
// TO BE REMOVED when above HandlePlaybackMessage is removed.
TRAP_IGNORE(HandleCollectionMessageL(*aMsg));
}
/**
* Handles the collection entries being opened. Typically called
* when client has Open()'d a folder.
*
* @since S60 3.2.3
* @param aEntries collection entries opened
* @param aIndex focused entry
* @param aComplete ETrue no more entries. EFalse more entries
* expected
* @param aError error code
*/
virtual void HandleOpenL(const CMPXMedia& aEntries,
TInt aIndex,TBool aComplete,TInt aError) = 0;
/**
* Handles the item being opened. Typically called
* when client has Open()'d an item. Client typically responds by
* 'playing' the item via the playlist.
*
* @since S60 3.2.3
* @param aPlaylist collection playlist
* @param aError error code
*/
virtual void HandleOpenL(const CMPXCollectionPlaylist& aPlaylist,TInt aError) = 0;
/**
* Handle completion of a asynchronous command.
* Note: All clients should implement this callback.
*
* @since S60 3.2.3
* @param aCommandResult result of the command, NULL if error
* @param aError error code
*/
virtual void HandleCommandComplete(CMPXCommand* /*aCommandResult*/,
TInt /*aError*/) {};
};
NONSHARABLE_CLASS(MMPXCollectionFindObserver)
{
public:
/**
* Handle callback for "find" operation.
*
* @since S60 3.2.3
* @param aEntries CMPXMedia to be returned
* @param aComplete ETrue no more entries. EFalse more entries
* expected
* @param aError error code
*/
virtual void HandleFindAllL(const CMPXMedia& aResults,
TBool aComplete,TInt aError) = 0;
};
NONSHARABLE_CLASS(MMPXCollectionRemoveObserver)
{
public:
/**
* Handles removing a collection path.
* Calls back with the list of file paths that were deleted.
* This callback is only applicable for local file storage plugins.
*
* @since S60 3.2.3
* @param aUriArray list of files that were deleted
* @param aError error code
*/
virtual void HandleRemoveL(MDesCArray& aUriArray, TInt aError) = 0;
};
#endif // MMPXCOLLECTIONOBSERVER_H