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/*
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* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: This class provides the functions to manipulate the podcast collection
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* database.
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*
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*/
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#ifndef MPXPODCASTDBHANDLER_H
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#define MPXPODCASTDBHANDLER_H
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// INCLUDES
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#include <e32base.h>
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#include <f32file.h>
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#include <mpxattribute.h>
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#include <mpxmediageneraldefs.h>
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#include <mpxpodcastdefs.h>
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#include "mpxdbcommonstd.h"
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#include "mpxpodcastcollectiondbstd.h"
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#include "mpxpodcastcollectiondb.hrh"
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#include "mpxdbpodcast.h" // For MMPXDbPodcastObserver
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#include "mpxdbactivetask.h"
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// FORWARD DECLARATIONS
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class CMPXMedia;
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class CMPXMediaArray;
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class CMPXPodcastDbManager;
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class CMPXDbCategory;
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class CMPXDbAuxiliary;
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// CLASS DECLARATION
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/**
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* Podcast collection database handler
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*
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* @lib mpxpodcastdbplugin.lib
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*/
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class CMPXPodcastDbHandler :
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public CBase,
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public MMPXDbPodcastObserver
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{
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public: // Constructors and destructor
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/**
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* Two-phased constructor.
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* @param aFs file server session
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* @return New CMPXPodcastDbHandler instance
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*/
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static CMPXPodcastDbHandler* NewL(RFs& aFs, CMPXResource& aResource);
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/**
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* Two-phased constructor.
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* @param aFs file server session
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* @return New CMPXPodcastDbHandler instance
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*/
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static CMPXPodcastDbHandler* NewLC(RFs& aFs, CMPXResource& aResource);
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/**
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* Destructor.
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*/
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virtual ~CMPXPodcastDbHandler();
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public:
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/**
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* Add a episode to the podcast collection database
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* @param aMedia media object which contains file path,
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* author, name(title), episode no., etc...
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* @return TUint32 id of the item added
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*/
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TUint32 AddEpisodeL(const CMPXMedia& aMedia);
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/**
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* Update episode info for a episode in the podcast collection database
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* @param aMedia episode details object which contains file path,
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* author, name(title), episode no., etc...
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* @param aMessageArray resulted change events
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* @return ETrue if the change is UI visible
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*/
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CMPXDbActiveTask::TChangeVisibility UpdateEpisodeL(const CMPXMedia& aMedia, CMPXMessageArray& aMessageArray);
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/**
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* Remove all episodes within podcast collection database
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*/
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void RemoveEntireCollectionL();
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/**
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* Remove a episode from the podcast collection database
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* @param aEpisodeId ID of the episode to be removed
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* @param aUriArray a descriptor array to contain the URI of the deleted file
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* @param aMessageArray a list of change events as a result of the
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* episode removal
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* @param aDeleteRecord indicates whether the client has explictly requested
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* to delete the records from the database. If ETrue, records
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* associated with the media will be deleted from the database;
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* if EFalse, whether to mark the records as deleted or to delete
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* the records will be based on other deciding factors.
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*/
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void RemoveEpisodeL(TUint32 aEpisodeId, CDesCArray& aUriArray,
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CMPXMessageArray& aMessageArray, TBool aDeleteRecord = EFalse);
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/**
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* Removes a category of episodes from the podcast collection, and its
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* corresponding category in the lookup table
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* @param aCategory the category to remove
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* @param aCategoryId ID of the category to remove
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* @param aUriArray a descriptor array to contain the URI of the deleted file(s)
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* @param aMessageArray change events as result of the episode removal
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*/
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void RemoveEpisodesMatchingCategoryL(TMPXGeneralCategory aCategory,
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TUint32 aCategoryId, CDesCArray& aUriArray, CMPXMessageArray& aMessageArray);
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/**
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* Removes a publish date category of episodes from the podcast collection
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* @param aCategoryId the publish date cateogry to remove
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* @param aUriArray a descriptor array to contain the URI of the deleted file(s)
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* @param aMessageArray change events as result of the episode removal
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*/
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void RemoveEpisodesMatchingPublishDateCategoryL(TUint32 aCategoryId,
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CDesCArray& aUriArray, CMPXMessageArray& aMessageArray);
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/**
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* Delete records in all databases which have been marked as deleted
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*/
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void CleanupDeletedRecordsL();
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/**
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* Get all episodes from the podcast collection databasee
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* @param aAttrs Array of attributes to @return
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* @param aMediaArray Array to place all the episodes' required info
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*/
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void GetAllEpisodesL(const TArray<TMPXAttribute>& aAttrs,
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CMPXMediaArray& aMediaArray);
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/**
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* Get all the episodes that match the given title ID
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* @param aTitleId ID of the title to match
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* @param aAttrs Array of attributes to return
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* @param aMediaArray Array to place all the matching episodes' required info
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*/
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void GetEpisodesMatchingTitleL(TUint aTitleId,
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const TArray<TMPXAttribute>& aAttrs, CMPXMediaArray& aMediaArray);
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/**
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* Get all the episodes that match the given playlist ID.
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* Podcast collection only support Recently Added and Not Yet Played
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* auto playlists.
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* @param aPlaylistId ID of the playlist to match
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* @param aAttrs Array of attributes to return
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* @param aMediaArray Array to place all the required episode info
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* @param aIndexOfCurrentlyPlayingItem index of the currently playing
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* episode or KErrNotFound (-1) if no currently playing episode within
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* this playlist
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*/
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void GetEpisodesMatchingPlaylistL(TUint aPlaylistId,
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const TArray<TMPXAttribute>& aAttrs, CMPXMediaArray& aMediaArray,
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TInt& aIndexOfCurrentlyPlayingItem);
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/**
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* Get the episode info that matches the given episode ID
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* @param aEpisodeId ID of the episode
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* @param aAttrs Array of attributes to return
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* @param aMediaArray Array to place all the required episode info
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*/
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void GetEpisodeL(TUint32 aEpisodeId, const TArray<TMPXAttribute>& aAttrs,
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CMPXMediaArray& aMediaArray);
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/**
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* Get the episode info that matches the given episode ID
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* @aEpisodeId ID of the episode
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* @param aAttrs Array of attributes to return
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* @param aMedia CMPXMedia instance to place all the required song info
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*/
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void GetEpisodeL(TUint32 aEpisodeId, const TArray<TMPXAttribute>& aAttrs,
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CMPXMedia& aMedia);
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/**
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* Get the episode ID of the episode that matches the given URI
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* @param aUri URI to match
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* @return Episode ID
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*/
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TUint32 GetEpisodeIdMatchingUriL(const TDesC& aUri);
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/**
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* Get all the podcast title names from the podcast collection database
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* @param aAttrs Array of attributes to return
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* @param aMediaArray Array to place all the titles required info
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*/
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void GetAllPodcastTitlesL(const TArray<TMPXAttribute>& aAttrs,
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CMPXMediaArray& aMediaArray);
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/**
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* Get all episodes matching the specified publish date
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* @param aPlaylistId the publish date playlist to retrieve
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* @param aAttrs the attributes to return
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* @param aPendingCategoryDeletionFlag true if the episodes within a publish
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* date category are being retrieved to be deleted
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* @param aMediaArray Array to place all the episode info
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*/
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TInt GetEpisodesMatchingPublishPlaylistL(TUint aPlaylistId,
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const TArray<TMPXAttribute>& aAttrs, TBool aPendingCategoryDeletionFlag,
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CMPXMediaArray& aMediaArray);
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/**
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* Get title name using the specified ID
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* @param aId the id of the title to retrieve the name of
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* @return the podcast title matching the specified ID, ownership is transferred
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*/
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HBufC* GetTitleNameMatchingIdL(const TUint32 aId);
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/**
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* Get URI from the Id
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* @param aId to search for
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* @return URI matching the ID, ownership is transferred
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*/
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HBufC* GetUriMatchingIdL (const TUint32 aId);
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/**
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* Get the duration for all episodes
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* @return duration value
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*/
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TInt GetAllEpisodesDurationL();
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/**
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* Get the duration for a specified title
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* @param aTitleId identifies the title
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* @return duration value
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*/
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TInt GetTitleDurationL(TUint32 aTitleId);
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/**
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* Get the duration for the episodes not yet played
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* @return duration value
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*/
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TInt GetNotPlayedDurationL();
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/**
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* Get the duration for recently added episodes
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* @return duration value
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*/
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TInt GetRecentlyAddedDurationL();
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/**
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* Fetch the total number of items in the specified category
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* @param aCategory category to be queried
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* @return number of items.
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*/
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TInt NumberOfItemsL(TMPXPodcastCategory aCategory);
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/**
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* Find media(s) from the collection
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* @param aCriteria selection criteria
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* @param aAttrs attributes for the matching media
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* @return matching media. Ownership is transferred.
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*/
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CMPXMedia* FindAllLC(const CMPXMedia& aCriteria,
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const TArray<TMPXAttribute>& aAttrs);
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/**
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* Set the last refreshed time
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* @param aTime the updated last refresh time
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*/
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void SetLastRefreshedTimeL( TTime aTime );
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/**
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* Get the last refreshed time
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* @return last refreshed time
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*/
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TTime GetLastRefreshedTimeL();
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/**
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* Set the db corrupted bit in the aux table for all drives
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* @param aCorrupted flag indicating whether or not the db is corrupted
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*/
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void SetDBCorruptedL(TBool aCorrupted);
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/**
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* Get the db corrupted flag
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* @return ETrue if database is corrupted, else EFalse
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*/
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TBool IsDBCorruptedL();
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/**
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* Checks if the database has been created
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* @return ETrue if file has been created
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*/
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TBool DatabaseCreated();
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/**
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* Close and re-open the podcast collection database stored on the specified drive
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* @param aDrive drive containing the podcast collection database to re-open
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*/
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void OpenDatabaseL(TInt aDrive);
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/**
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* Close a database for a particular drive
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* @param aDrive drive to close
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*/
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void CloseDatabaseL(TInt aDrive);
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/**
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* Recreate all podcast databases
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*/
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void ReCreateDatabasesL();
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/**
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* Start a refresh operation
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*/
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void RefreshStartL();
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/**
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* End a refresh operation
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*/
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void RefreshEndL();
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/**
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* Sets the value of the IsPlaying field for a given episode
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* @param aMedia contains episode information
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* @param aIsPlaying value of the IsPlaying field
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*/
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void SetIsPlayingL(const CMPXMedia& aMedia, TBool aIsPlaying);
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/**
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* Get total record count for podcasts in db
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* @param aDrive, specifies drive number for db selection
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* @return count
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*/
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TUint GetTotalCountL(TInt aDrive);
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/**
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* Get URIs for all podcasts
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* @param aDrive, specifies drive number for db selection
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* @param aFromID, specifies last record's unique ID
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* @param aRecords, specifies the number of records to get
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* @param aUriArr, will contain all URIs on return
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* @param aLastID, will contain a unique ID of last record in the array
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*/
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void GetPodcastUriArrayL(TInt aDrive, TInt aFromID, TInt aRecords,
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CDesCArray& aUriArr, TInt& aLastID);
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/**
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* Starts a transaction
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*/
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void BeginTransactionL();
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/**
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* Ends a transaction. Depending on the error code either commits or
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* rollsback the transaction.
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* @param aError error code
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*/
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void EndTransactionL(TInt aError);
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/**
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* Checks if the database is currently in a transaction.
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* @return ETrue if database is currently in a transaction, EFalse otherwise
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*/
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TBool InTransaction();
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/**
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* Checks if the spefified drive is a remove drive
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*/
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TBool IsRemoteDrive(TDriveNumber aDrive);
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private:
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/**
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* Find media entry/entries from the collection
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* @param aCriteria selection criteria
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* @param aAttrs attributes for the matching media
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* @param aMediaArray array of matching media entry/entries
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*/
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void FindAllL(const CMPXMedia& aCriteria, const TArray<TMPXAttribute>& aAttrs,
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CMPXMediaArray& aMediaArray);
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/**
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* Find episode(s) which match(es) the selection criteria
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* @param aCriteria selection criteria
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* @param aAttrs the attributes to include for the artist(s) matching the
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* selection criteria
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* @param aMediaArray artist(s) matching the selection criteria
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*/
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void FindEpisodesL(const CMPXMedia& aCriteria, const TArray<TMPXAttribute>& aAttrs,
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CMPXMediaArray& aMediaArray);
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/**
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* Add an episode to the podcast collection database
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* @param aMedia media object which contains file path, author, name, podcast title etc...
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* @return episode Id of the episode that has been added to the database
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*/
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TUint32 DoAddEpisodeL(const CMPXMedia& aMedia);
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/**
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* Update episode info for a episode in the podcast collection database
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* @param aMedia episode details object which contains file path,
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* author, name(title), podcast title, etc...
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* @param aItemChangedMessages a list of items changed
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* @return ETrue if UI visible change
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*/
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CMPXDbActiveTask::TChangeVisibility DoUpdateEpisodeL(const CMPXMedia& aMedia,
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CMPXMessageArray& aItemChangedMessages);
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/**
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* Remove a episode from the podcast collection database
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* @param aEpisodeId ID of the episode to be removed
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* @param aUriArray a descriptor array to contain the URI of the deleted file
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* @param aMessageArray change events as result of the episode removal
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* @param aDeleteRecord if ETrue the episode will be deleted, if EFalse
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* it will be marked as deleted
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*/
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void DoRemoveEpisodeL(TUint32 aEpisodeId, CDesCArray& aUriArray,
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426 |
CMPXMessageArray& aMessageArray, TBool aDeleteRecord);
|
|
427 |
|
|
428 |
/**
|
|
429 |
* Remove the episodes for a category from the podcast collection database
|
|
430 |
* @param aCategory category type
|
|
431 |
* @param aCategoryId category item
|
|
432 |
* @param aUriArray a descriptor array to contain the URI of the deleted file
|
|
433 |
* @param aMessageArray change events as result of the episode removal
|
|
434 |
*/
|
|
435 |
void DoRemoveEpisodesMatchingCategoryL(TMPXGeneralCategory aCategory,
|
|
436 |
TUint32 aCategoryId, CDesCArray& aUriArray, CMPXMessageArray& aMessageArray);
|
|
437 |
|
|
438 |
/**
|
|
439 |
* Remove the episodes for a publish date category
|
|
440 |
* @param aCategoryId identifies the publish date category
|
|
441 |
* @param aUriArray a descriptor array to contain the URI of the deleted file
|
|
442 |
* @param aMessageArray change events as result of the episode removal
|
|
443 |
*/
|
|
444 |
void DoRemoveEpisodesMatchingPublishDateCategoryL(TUint32 aCategoryId,
|
|
445 |
CDesCArray& aUriArray, CMPXMessageArray& aMessageArray);
|
|
446 |
|
|
447 |
/**
|
|
448 |
* Delete records in all databases which have been marked as deleted
|
|
449 |
*/
|
|
450 |
void DoCleanupDeletedRecordsL();
|
|
451 |
|
|
452 |
/**
|
|
453 |
* Makes sure all the folders specified in the array parameter are created,
|
|
454 |
* otherwise it tries to create them. Updates the iDbDrives member variable
|
|
455 |
* with the drives corresponding to the folders.
|
|
456 |
* @param aFolders contains all the folders to be processed
|
|
457 |
*/
|
|
458 |
void ProcessPodcastFoldersL(const CDesCArray& aFolders);
|
|
459 |
|
|
460 |
/**
|
|
461 |
* Returns the CMPXDbCategory instance associated with the specified
|
|
462 |
* category type
|
|
463 |
* @param aCategory category type
|
|
464 |
* @return corresponding CMPXDbCategory instance
|
|
465 |
* @leave KErrNotSupported if invalid category
|
|
466 |
*/
|
|
467 |
CMPXDbCategory* DbCategoryL(TMPXGeneralCategory aCategory) const;
|
|
468 |
|
|
469 |
/**
|
|
470 |
* Verify the volume id for the databases
|
|
471 |
*/
|
|
472 |
void VerifyVolumeIdL( TInt aDrive );
|
|
473 |
void VerifyVolumeIdL();
|
|
474 |
|
|
475 |
/**
|
|
476 |
* Checks if there is a drive that has a low disk space
|
|
477 |
* @leave KErrDiskFull if the space on one of the drives is below the
|
|
478 |
* critical level
|
|
479 |
*/
|
|
480 |
void CheckDiskSpaceOnDrivesL();
|
|
481 |
|
|
482 |
#if defined (__MTP_PROTOCOL_SUPPORT)
|
|
483 |
/**
|
|
484 |
* Reads the "save deleted records" MTP flag from CenRep and returns
|
|
485 |
* the value.
|
|
486 |
* @return value of the "save deleted records" MTP flag
|
|
487 |
*/
|
|
488 |
TBool SaveDeletedSongs();
|
|
489 |
#endif
|
|
490 |
|
|
491 |
#ifdef RD_MULTIPLE_DRIVE
|
|
492 |
/**
|
|
493 |
* Retrieve all visible podcast folder locations
|
|
494 |
*/
|
|
495 |
CDesCArrayFlat* GetPodcastFoldersL();
|
|
496 |
#endif // RD_MULTIPLE_DRIVE
|
|
497 |
|
|
498 |
private: // From MMPXDbPodcastObserver
|
|
499 |
|
|
500 |
/**
|
|
501 |
* @see MMPXDbPodcastObserver
|
|
502 |
*/
|
|
503 |
TUint32 AddCategoryItemL(TMPXGeneralCategory aCategory, const TDesC& aName,
|
|
504 |
TInt aDriveId, CMPXMessageArray* aItemChangedMessages);
|
|
505 |
|
|
506 |
/**
|
|
507 |
* @see MMPXDbPodcastObserver
|
|
508 |
*/
|
|
509 |
void DeleteEpisodeForCategoryL(TMPXGeneralCategory aCategory, TUint32 aCategoryId,
|
|
510 |
TInt aDriveId, CMPXMessageArray* aItemChangedMessages);
|
|
511 |
|
|
512 |
private:
|
|
513 |
/**
|
|
514 |
* C++ constructor
|
|
515 |
* @param file session
|
|
516 |
*/
|
|
517 |
CMPXPodcastDbHandler(RFs& aFs, CMPXResource& aResource);
|
|
518 |
|
|
519 |
/**
|
|
520 |
* Symbian 2nd phase constructor..
|
|
521 |
*/
|
|
522 |
void ConstructL();
|
|
523 |
|
|
524 |
private: // Data
|
|
525 |
|
|
526 |
// owned member variables
|
|
527 |
CMPXPodcastDbManager* iDbManager;
|
|
528 |
CMPXDbPodcast* iDbPodcast;
|
|
529 |
CMPXDbCategory* iDbArtist;
|
|
530 |
CMPXDbCategory* iDbAlbum;
|
|
531 |
CMPXDbCategory* iDbGenre;
|
|
532 |
CMPXDbCategory* iDbComposer;
|
|
533 |
CMPXDbAuxiliary* iDbAuxiliary;
|
|
534 |
|
|
535 |
CDesCArrayFlat* iPodcastPublishDateCat; // podcast publish date category
|
|
536 |
RArray<TInt> iPodcastPublishDateIds; // podcast publish date ID
|
|
537 |
RArray<TInt> iDbDrives;
|
|
538 |
|
|
539 |
// not owned member variables
|
|
540 |
RFs& iFs;
|
|
541 |
CMPXResource& iResource;
|
|
542 |
TBool iOutOfDisk; // Are we in out of disk mode?
|
|
543 |
};
|
|
544 |
|
|
545 |
#endif // MPXPODCASTDBHANDLER_H
|
|
546 |
|
|
547 |
// End of File
|