mpxplugins/serviceplugins/collectionplugins/mpxsqlitepodcastdbplugin/inc/mpxpodcastdbplugin.h
branchRCL_3
changeset 26 3de6c4cf6b67
parent 0 ff3acec5bc43
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpxplugins/serviceplugins/collectionplugins/mpxsqlitepodcastdbplugin/inc/mpxpodcastdbplugin.h	Wed Sep 01 12:32:02 2010 +0100
@@ -0,0 +1,751 @@
+/*
+* 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:  Implementation of Podcast Collection Database Plugin interface
+*
+*/
+
+
+#ifndef MPXPODCASTDBPLUGIN_H
+#define MPXPODCASTDBPLUGIN_H
+
+// INCLUDES
+#include <badesca.h>
+
+#include <mpxcommonframeworkdefs.h>
+#include <mpxcollectionframeworkdefs.h>
+#include <mpxcollectionplugin.h>
+#include <mpxcollectionpath.h>
+#include <mpxmediageneraldefs.h>
+#include <mpxpodcastdefs.h>
+#include <mpxmessage2.h>
+
+#include "mpxdbactivetask.h"
+#include "mpxpodcastcollectiondb.hrh"
+
+// FORWARD DECLARATIONS
+class CMPXMedia;
+class CMPXPodcastDbHandler;
+class CMPXDrmMediaUtility;
+class CMPXMediaArray;
+class CMPXResource;
+
+// CONSTANTS
+
+// CLASS DECLARATION
+
+/**
+* Plug-in provides access to podcast collection.
+*
+* @lib mpxpodcastdbplugin.lib
+*/
+NONSHARABLE_CLASS(CMPXPodcastDbPlugin) :
+    public CMPXCollectionPlugin,
+    public MMPXDbActiveTaskObserver
+    {
+public: // Constructors and destructor
+
+    /**
+    * Two-phased constructor
+    * @param aInitParams: initialization parameters
+    * @return object constructed
+    */
+    static CMPXPodcastDbPlugin* NewL (TAny* aInitParams);
+
+    /**
+    * Destructor
+    */
+    virtual ~CMPXPodcastDbPlugin();
+
+public: // from base clase
+    /**
+    * From CMPXCollectionPlugin
+    * Navigates to the given path.  This method is serviced
+    * asynchronously and HandleOpenL is called upon completion
+    * @param aPath a path
+    * @param aAttrs attributes requested
+    * @param aFilter filter to apply or NULL if none
+    */
+    void OpenL(const CMPXCollectionPath& aPath,
+               const TArray<TMPXAttribute>& aAttrs,
+               CMPXFilter* aFilter);
+
+    /**
+    * From CMPXCollectionPlugin
+    * Get the extended properties of the item referred to by the
+    * specified collection path.  This method is serviced asynchronously and
+    * HandleMediaL is called upon completion
+    * @param aPath a collection path referring to the item to retrieve the
+    *               extended properties for
+    * @param aAttr: array of attributes requested
+    * @param aCaps platsec capabilities of client requesting media; plug-in
+    *        should also verify its process capabilities (not yet supported)
+    * @aParam aSpecs specifications for attributes (not yet supported)
+    */
+    void MediaL(const CMPXCollectionPath& aPath,
+                const TArray<TMPXAttribute>& aAttrs,
+                const TArray<TCapability>& aCaps,
+                CMPXAttributeSpecs* aSpecs);
+
+    /**
+    * From CMPXCollectionPlugin
+    * Cancel outstanding request. Note*** CancelRequest is not currently
+    * implemented because all requests are processed synchronously
+    */
+    void CancelRequest();
+
+    /**
+    * From CMPXCollectionPlugin
+    * Executes the given TMPXCollectionCommand command on the collection
+    * @param aCmd a command
+    * @param aArg an argument
+    */
+    void CommandL(TMPXCollectionCommand aCmd, TInt aArg = 0);
+
+    /**
+    * From CMPXCollectionPlugin
+    * Executes the given CMPXCommand command on the collection
+    * @param aCmd a command
+    */
+    void CommandL(CMPXCommand& aCmd);
+
+    /**
+    * From CMPXCollectionPlugin
+    * Adds an episode to the collection
+    * @param aMedia Properties of the item
+    */
+    void AddL(const CMPXMedia& aMedia);
+
+    /**
+    * From CMPXCollectionPlugin
+    * Remove an item(s) from the collection database using the given path
+    * Note that the selection indices are hidden within the path
+    * @param aPath: path to the item to be removed
+    *
+    */
+    void RemoveL(const CMPXCollectionPath& aPath);
+
+    /**
+    *  Remove item(s) from the collection database using the given media properties
+    *  @param aMedia Properties of the item(s) to be removed. May cantain a URI
+    *                 or metadata. All item(s) matching the specified properties
+    *                 will be removed.
+    */
+    void RemoveL(const CMPXMedia& aMedia);
+
+    /**
+    *  Sets/updates the specified media for an item in the collection.  Media
+    *  is identified by specifying an ID or URI.
+    *  @param aMedia: new property values for the item
+    */
+    void SetL(const CMPXMedia& aMedia);
+
+    /**
+    * From CMPXCollectionPlugin
+    *  Find the items matching the media specifications.  This method is serviced
+    *  asynchronously and HandleFindAllL is called upon completion
+    *  @param aCriteria Properties of the item that is to be found
+    *  @param aAttrs Requested attributes to return
+    */
+    void FindAllL(const CMPXMedia& aCriteria, const TArray<TMPXAttribute>& aAttrs);
+
+    /**
+    *  From CMPXCollectionPlugin
+    *  Find the items matching the media specifications
+    *  @param aCriteria Properties of the item that is to be found
+    *  @param aAttrs Requested attributes to return
+    *  @return results of the search. Method abandons ownership of results.
+    */
+    CMPXMedia* FindAllSyncL(const CMPXMedia& aCriteria,
+                            const TArray<TMPXAttribute>& aAttrs);
+
+    /**
+    * Get the list of supported capabilities
+    * @return TCollectionCapability, bitmask of supported capabilities
+    */
+    TCollectionCapability GetCapabilities();
+
+    /**
+    * From MMPXDbActiveTaskObserver
+    */
+    TBool HandleStepL();
+
+    /**
+    * From MMPXDbActiveTaskObserver
+    */
+    void HandleOperationCompleted( TInt aErr );
+
+private:
+    /**
+    * Constructor
+    */
+    CMPXPodcastDbPlugin ();
+
+    /**
+    * Symbian 2nd phase constructor.
+    */
+    void ConstructL ();
+
+    /**
+    * Process the OpenL command
+    * @param aPath a path
+    * @param aAttrs Requested attributes to return
+    * @param aEntries (Output parameter) collection items containing media properties
+    *                  of all items, returned if opening a group of items
+    * @param aFlagToSignalToBePlayed: signals that item is opened to be played if type == episode
+    * @return ETrue if the open is for a episode, EFalse otherwise
+    */
+    TBool DoOpenL(const CMPXCollectionPath& aPath,
+                  const TArray<TMPXAttribute>& aAttrs,
+                  CMPXMedia& aEntries,
+                  TBool aFlagToSignalToBePlayed);
+
+    /**
+    * Process the OpenL(EBrowseAll) command
+    * @param aPath Path
+    * @param aAttrs Requested attributes to return
+    * @param aEntries (Output parameter) collection items containing media properties
+    *                  of all items, returned if opening a group of items
+    * @param aArray (Output parameter) collection items
+    * @return ETrue if the open is for an episode, EFalse otherwise
+    */
+    TBool DoOpenBrowseAllL(const CMPXCollectionPath& aPath, const TArray<TMPXAttribute>& aAttrs,
+        CMPXMedia& aEntries, CMPXMediaArray& aArray);
+
+    /**
+    * Process the OpenL(EBrowsePubDate) command
+    * @param aPath Path
+    * @param aAttrs Requested attributes to return
+    * @param aEntries (Output parameter) collection items containing media properties
+    *                  of all items, returned if opening a group of items
+    * @param aArray (Output parameter) collection items
+    * @return ETrue if the open is for an episode, EFalse otherwise
+    */
+    TBool DoOpenBrowsePubDateL(const CMPXCollectionPath& aPath, const TArray<TMPXAttribute>& aAttrs,
+        CMPXMedia& aEntries, CMPXMediaArray& aArray);
+
+    /**
+    * Process the OpenL(EBrowseTitle) command
+    * @param aPath Path
+    * @param aAttrs Requested attributes to return
+    * @param aEntries (Output parameter) collection items containing media properties
+    *                  of all items, returned if opening a group of items
+    * @param aArray (Output parameter) collection items
+    * @return ETrue if the open is for an episode, EFalse otherwise
+    */
+    TBool DoOpenBrowseTitleL(const CMPXCollectionPath& aPath, const TArray<TMPXAttribute>& aAttrs,
+        CMPXMedia& aEntries, CMPXMediaArray& aArray);
+
+    /**
+    * Process the OpenL(EBrowseRecentlyAdded) command
+    * @param aPath Path
+    * @param aAttrs Requested attributes to return
+    * @param aEntries (Output parameter) collection items containing media properties
+    *                  of all items, returned if opening a group of items
+    * @param aArray (Output parameter) collection items
+    * @return ETrue if the open is for an episode, EFalse otherwise
+    */
+    TBool DoOpenBrowseRecentlyAddedL(const CMPXCollectionPath& aPath,
+        const TArray<TMPXAttribute>& aAttrs, CMPXMedia& aEntries, CMPXMediaArray& aArray);
+
+    /**
+    * Process the OpenL(EBrowseNotPlayed) command
+    * @param aPath Path
+    * @param aAttrs Requested attributes to return
+    * @param aEntries (Output parameter) collection items containing media properties
+    *                  of all items, returned if opening a group of items
+    * @param aArray (Output parameter) collection items
+    * @return ETrue if the open is for an episode, EFalse otherwise
+    */
+    TBool DoOpenBrowseNotPlayedL(const CMPXCollectionPath& aPath, const TArray<TMPXAttribute>& aAttrs,
+        CMPXMedia& aEntries, CMPXMediaArray& aArray);
+
+   /**
+    * Process an OpenL command with a EMPXOpenPlaylistOnly open mode
+    * @param aPath path that we want to open
+    * @param aAttrs default attributes to fetch
+    * @param aFlagToSignalToBePlayed: signals that item is opened to be played if type == episode
+    * @return CMPXCollectionPath* which is the new valid browse path
+    *                             Method abandons ownership.
+    */
+    CMPXCollectionPath* DoOpenPlaylistL( const CMPXCollectionPath& aPath,
+                                         const TArray<TMPXAttribute>& aAttrs,
+                                         TBool aFlagToSignalToBePlayed);
+
+    /**
+    * Process the MediaL command
+    * @param aPath a path
+    * @param aAttrs Requested attributes to return
+    * @param aEntries collection items containing media properties
+    *                  of all items, returned if opening a group of items
+    */
+    void DoMediaL(const CMPXCollectionPath& aPath,
+                   const TArray<TMPXAttribute>& aAttrs,
+                   CMPXMedia& aEntries);
+
+    /**
+    * Get the plugin title, subtitle, icons for this plugin
+    * @param aAttrs attributes to find
+    * @param aMedia media object
+    */
+    void DoRootMediaL(const TArray<TMPXAttribute>& aAttrs, CMPXMedia& aMedia);
+
+    /**
+    * Get the media under ALL EPISODES category
+    * @param aPath path that leads to a media under ALL EPISODES
+    * @param aAttrs attributes of media to find
+    * @param aEntries the media referred by the path
+    * @param aMediaArray media entries contained in the media referred by the path
+    */
+    void DoAllEpisodesMediaL(const CMPXCollectionPath& aPath,
+                            const TArray<TMPXAttribute>& aAttrs,
+                            CMPXMedia& aEntries,
+                            CMPXMediaArray& aMediaArray);
+
+    /**
+    * Find the collection media for by publish date category
+    * @param aPath path that leads to a media under BY PUBLISH DATE
+    * @param aAttrs attributes of media to find
+    * @param aEntries the media referred by the path
+    * @param aMediaArray media entries contained in the media referred by the path
+    */
+    void DoByPublishDateMediaL(const CMPXCollectionPath& aPath,
+                                  const TArray<TMPXAttribute>& aAttrs,
+                                  CMPXMedia& aEntries,
+                                  CMPXMediaArray& aMediaArray);
+
+    /**
+    * Find the collection media for by titles category
+    * @param aPath path that leads to a media under TITLES
+    * @param aAttrs attributes of media to find
+    * @param aEntries the media referred by the path
+    * @param aMediaArray media entries contained in the media referred by the path
+    */
+    void DoTitlesMediaL(const CMPXCollectionPath& aPath,
+                          const TArray<TMPXAttribute>& aAttrs,
+                          CMPXMedia& aEntries,
+                          CMPXMediaArray& aMediaArray);
+
+    /**
+    * Find the collection media for by recently added category
+    * @param aPath path that leads to a media under RECENTLY ADDED
+    * @param aAttrs attributes of media to find
+    * @param aEntries the media referred by the path
+    * @param aMediaArray medias contained in the media referred by the path
+    */
+    void DoRecentlyAddedMediaL(const CMPXCollectionPath& aPath,
+                                 const TArray<TMPXAttribute>& aAttrs,
+                                 CMPXMedia& aEntries,
+                                 CMPXMediaArray& aMediaArray);
+
+
+    /**
+    * Find the collection media for by not yet played category
+    * @param aPath path that leads to a media under NOT YET PLAYED
+    * @param aAttrs attributes of media to find
+    * @param aEntries the media referred by the path
+    * @param aMediaArray medias contained in the media referred by the path
+    */
+    void DoNotYetPlayedMediaL(const CMPXCollectionPath& aPath,
+                                const TArray<TMPXAttribute>& aAttrs,
+                                CMPXMedia& aEntries,
+                                CMPXMediaArray& aMediaArray);
+
+    /**
+    * Get the root media.
+    * @param aAttrs attributes of media to find
+    * @param aRootCategoryId Id of the root media in the category, i.e. all albums,
+    *        ...etc.
+    * @param aCategory specifies the category.
+    * @param aEntries the media referred by the path
+    */
+    void DoRootCategoryMediaL(const TArray<TMPXAttribute>& aAttrs,
+                               TMPXItemId aRootCategoryId,
+                               TMPXPodcastCategory aCategory,
+                               CMPXMedia& aEntries);
+
+    /**
+    * Set all the attributes in CMPXMedia corresponding to KMPXMediaIdDrm
+    * @param aMedia, media to update
+    * @param aDrmAttributes, bitwise or of the flags we want
+    * @param aLocation, full file path including filename
+    */
+    void DoSetMediaDrmL(CMPXMedia& aMedia, TUint aDrmAttributes, const TDesC& aLocation);
+
+    /**
+    * Add media objects to the array with attributes from episode details
+    * @param aPath a path
+    * @param aAttrs requested attributes
+    * @param aEntry media to contain information about the container if it contains
+    *        than one entry
+    * @param aMediaArray array to contain all the media objects added
+    */
+    void GetEpisodeInfoL(const CMPXCollectionPath& aPath, const TArray<TMPXAttribute>& aAttrs,
+        CMPXMedia& aEntry, CMPXMediaArray& aMediaArray);
+
+    /**
+    * Add media objects to the array with attributes from episode details
+    * @param aAttrs requested attributes
+    * @param aEntryId episode ID
+    * @param aEntry media to contain information about the container if it contains
+    *        than one entry
+    */
+    void DoGetEpisodeInfoL(const TArray<TMPXAttribute>& aAttrs, TInt aEntryId, CMPXMedia& aEntry);
+
+    /**
+    * Get the collection details from the db
+    * @param aAttrs attributes to find
+    * @param aPath path to be set if required
+    * @param aMedia media object
+    */
+    void DoHandleOtherMediaAttributesL(const TArray<TMPXAttribute>& aAttrs,
+        const CMPXCollectionPath& aPath, CMPXMedia& aMedia);
+
+    /**
+    * Remove an item from the collection database using the given path
+    * Note that the selection indices are hidden within the path
+    * @param aPath path to the item to be removed
+    * @param aChangeMsgArray array to store change messages
+    * @return an array of files associated with the removed media entries
+    */
+    CDesCArray* DoRemoveL(const CMPXCollectionPath& aPath,
+                           CMPXMessageArray& aChangeMsgArray);
+
+    /**
+    * Remove an item/items from the collection database using the given media properties
+    * @param aMedia Properties of the item that is to be removed. It may cantain URI only
+    *                or meta data, all of items matched properties will be removed.
+    * @param aDeleteRecord indicates whether the client has explictly requested
+    *                to delete the records from the database. If ETrue, records
+    *                associated with the media will be deleted from the database;
+    *                if EFalse, whether to mark the records as deleted or to delete
+    *                the records will be based on other deciding factors.
+    */
+    void DoRemoveL(const CMPXMedia& aMedia, TBool aDeleteRecord);
+
+    /**
+    * Remove an item from the collection database using a command
+    * @param aCmd remove command which contains collection path to the media entries to be
+    *        removed. This method should be called until all the selected items are
+    *        removed. When that happens, EMPXCommandCompleted flag is set to ETrue.
+    */
+    void DoRemovePathL(CMPXCommand& aCmd);
+
+    /**
+    * Remove a media entry/entries from the collection database using a command
+    * @param aCmd remove command which contains the media(s) to be removed. This
+    *        will delete the records from the database rather than marking them
+    *        as deleted. Designated caller is MTP.
+    */
+    void DoRemoveMediaL(CMPXCommand& aCmd);
+
+    /**
+    * Remove a media entry/entries from all episodes view
+    * @param aPath collection path that points to the media entry/entries to be removed
+    * @param aSelections multiple media items selected. This array contains the id
+    *        of the selected media.
+    * @param aUriArray a descriptor array containing the URI(s) of the deleted file(s)
+    * @param aItemChangedMessages a list of change events as a result of the
+    *        episode removals
+    */
+    void DoRemoveFromAllEpisodesL(const CMPXCollectionPath& aPath,
+                                  const TArray<TMPXItemId>& aSelections,
+                                  CDesCArray& aUriArray,
+                                  CMPXMessageArray& aItemChangedMessages);
+
+    /**
+    * Remove media from Publish Date view
+    * @param aPath collection path that points to the media entry/entries to be removed
+    * @param aSelections multiple media entry/entries selected. This array contains the id
+    *        of the selected media.
+    * @param aUriArray a descriptor array to contain the URI(s) of the deleted file(s)
+    * @param aItemChangedMessages a list of change events as a result of the
+    *        episode removals
+    */
+    void DoRemoveFromPublishDateL(const CMPXCollectionPath& aPath,
+                                  const TArray<TMPXItemId>& aSelections,
+                                  CDesCArray& aUriArray,
+                                  CMPXMessageArray& aItemChangedMessages);
+
+    /**
+    * Remove a media item from Publish Date view
+    * @param aPath collection path that points to the media entry/entries to be removed
+    * @param aItemId ID of the item to be removed
+    * @param aUriArray a descriptor array to contain the URI(s) of the deleted file(s)
+    * @param aItemChangedMessages a list of change events as a result of the
+    *        episode removals
+    */
+    void RemoveFromPublishDateL(const CMPXCollectionPath& aPath, TInt aItemId,
+        CDesCArray& aUriArray, CMPXMessageArray& aItemChangedMessages);
+
+    /**
+    * Remove a media/medias from albums/genres/composers view
+    * @param aPath collection path that points to the media(s) to be removed
+    * @param aSelections multiple medias selected. This array contains the id
+    *        of the selected media.
+    * @param aCategory indicates one of the 3 categories, EMPXAlbum, EMPXGenre, or
+    *        EMPXComposer
+    * @param aUriArray a descriptor array to contain the URI of the deleted file
+    * @param aItemChangedMessages a list of change events as a result of the
+    *        episode removals
+    */
+    void DoRemoveFromCategoriesL(const CMPXCollectionPath& aPath,
+                                 const TArray<TMPXItemId>& aSelections,
+                                 TMPXGeneralCategory aCategory,
+                                 CDesCArray& aUriArray,
+                                 CMPXMessageArray& aItemChangedMessages);
+
+    /**
+    * Remove a media item from albums/genres/composers view
+    * @param aPath collection path that points to the media entry/entries to be removed
+    * @param aItemId ID of the item to be removed
+    * @param aCategory indicates one of the 3 categories, EMPXAlbum, EMPXGenre, or
+    *        EMPXComposer
+    * @param aUriArray a descriptor array to contain the URI(s) of the deleted file(s)
+    * @param aItemChangedMessages a list of change events as a result of the
+    *        episode removals
+    */
+    void RemoveFromCategoriesL(const CMPXCollectionPath& aPath, TInt aItemId,
+        TMPXGeneralCategory aCategory, CDesCArray& aUriArray,
+        CMPXMessageArray& aItemChangedMessages);
+
+   /**
+    * Fetch the duration for a specific category
+    * @param aMedia a media object of which EMPXMediaGeneralDuration is to be
+    *        populated with the duration calculated in this method
+    * @param aCategory category of the ID
+    * @param aId id for identifying which category to calculate the duration for
+    */
+    TInt DoDurationL(CMPXMedia& aMedia, TMPXPodcastCategory aCategory, TMPXItemId aId = 0);
+
+    /**
+    * Retrieves URIs associated with the path for file deletion
+    * @param aCmd command to retrieve associated URIs for the given path. If
+    *        path ends with a particular artist/album/genre/composer, the path
+    *        will be updated to include all episodes in that category. If path
+    *        ends with one or more medias in a particular playlist, an array
+    *        of 0 elements will be returned to avoid client deleting them from
+    *        the file system
+    */
+    void DoRetrieveUriForDeletionL(CMPXCommand& aCmd);
+
+    /**
+    * Deletes records which have been marked as deleted from the collection
+    * @param aCmd command to cleanup deleted medias.
+    *        see KMPXCommandIdCollectionCleanupDeletedMedias defined in
+    *        mpxcollectioncommanddefs.h
+    */
+    void CleanupDeletedRecordsL(CMPXCommand& aCmd);
+
+    /**
+    * Append a collection level to the collection path
+    * @param aPath path to append the level to
+    * @param aMedia media to extract media ids from
+    * @note: Selection will be put on the first episode in the collection path
+    */
+    TInt DoAppendLevelL(CMPXCollectionPath& aPath, CMPXMedia& aMedia);
+
+    /* Append a collection level to the collection path with all episodes under the
+    * selected category/categories (e.g. artist/artist-album/album/genre/composer).
+    * Once the level is appended, all episodes under the selected category/categories
+    * are selected.
+    * @param aPath path to append the level to. Path remains unchanged if it's not
+    *        one of the following:
+    *        1) path ends at an artist or selected artists
+    *        2) path ends at an album of an artist or selected albums of an artist
+    *        3) path ends at an album or selected albums
+    *        4) path ends at a genre or selected genres
+    *        5) path ends at a composer or selected composers
+    */
+    void DoAppendLevelL(CMPXCollectionPath& aPath);
+
+    /**
+    * Execute a task step for an asynchronous add
+    * @return ETrue if done
+    */
+    TBool DoAddAsyncL();
+
+    /**
+    * Add a media object to the collection
+    * @param aMedia media to add
+    * @return TUint32 item id of the item added
+    */
+    TUint32 DoAddL(const CMPXMedia& aMedia);
+
+    /**
+    * Add an item into the collection
+    * @param aMedia media to add
+    * @param aMessageArray change message array
+    * @return TUint32 item id of the item added
+    */
+    TUint32 DoAddItemL(const CMPXMedia& aMedia, CMPXMessageArray& aMessageArray);
+
+    /**
+    * Set a media object to update the collection
+    * @param aMedia media can be an item or a list. The item is treated as a list
+    *               if it contains a media array
+    */
+    void DoSetL(const CMPXMedia& aMedia);
+
+    /**
+    * Execute a task step for an asynchronous set
+    */
+    TBool DoSetAsyncL();
+
+    /**
+    * Send a change message
+    * @param aMessage a change message to be sent
+    */
+    void HandleChangeL(const CMPXMessage& aMessage);
+
+    /**
+    * Construct a CMPXMedia from the array parameter and call HandleChange
+    * @param aItemChangedMessages array in the change message to be sent
+    */
+    void DoHandleChangeL(CMPXMessageArray* aItemChangedMessages);
+
+    /**
+    * Generates and calls back an out of disk CMPXMessage
+    * This function will callback to the client context to
+    * broadcast an out of disk event
+    */
+    void HandleOutOfDiskMessageL();
+
+    /**
+    * Leaving function to handle async op completion
+    * @param aErr error code
+    */
+    void DoHandleOperationCompletedL(TInt aErr);
+
+    /**
+    * Complete a delete operation
+    * Sends out change messages and compacts the database
+    */
+    void DoHandleDeleteCompleteL(CMPXCommand& aCmd);
+
+    /**
+    * Returns the category for a given browse type.
+    * @param aBrowseType browse type
+    * @return Category ID
+    */
+    TMPXPodcastCategory CategoryForBrowseType(TMCBrowseType aBrowseType);
+
+    /**
+    * Returns the browse type for a given category ID.
+    * @param aCategory category ID
+    * @return Browse type
+    */
+    TMCBrowseType BrowseTypeForCategory(TMPXPodcastCategory aCategory);
+
+    /**
+    * Sets the type, category and title attributes in the specified media.
+    * @param aMedia media instance to be updated
+    * @param aGeneralType general type attribute value
+    * @param aType podcast type attribute value
+    * @param aCategory category attribute value
+    * @param aTitle title attribute value
+    * @param aCount general count attribute value
+    */
+    void SetMediaGeneralAttributesL(CMPXMedia& aMedia, TMPXGeneralType aGeneralType,
+        TMPXPodcastType aType, TMPXPodcastCategory aCategory, const TDesC& aTitle,
+        TInt aCount = -1);
+
+    /**
+    * Sets the type, category and title attributes in the specified media.
+    * @param aMedia media instance to be updated
+    * @param aGeneralType general type attribute value
+    * @param aType type attribute value
+    * @param aCategory category attribute value
+    * @param aId ID of the item to the title from
+    * @param aCount general count attribute value
+    */
+    void SetMediaGeneralAttributesL(CMPXMedia& aMedia, TMPXGeneralType aGeneralType,
+        TMPXPodcastType aType, TMPXPodcastCategory aCategory, TInt aId, TInt aCount = -1);
+
+    /**
+    * Get total podcasts count
+    * @param aCmd command to return count
+    *        see KMPXCommandCollectionGetCount defined in
+    *        mpxcollectioncommanddefs.h
+    */
+    void DoGetCollectionCountL( const CMPXCommand& aCmd );
+
+    /**
+    * Get an array of URIs for all podcasts in a given db
+    * @param aCmd command to return CDesCArray
+    *        see KMPXCommandCollectionGetURIs defined in
+    *        mpxcollectioncommanddefs.h
+    */
+    void DoGetCollectionUriL( const CMPXCommand& aCmd );
+
+    /**
+    * Set the attribute list according to current path
+    * @param aPath a path
+    * @param aAttrs attributes array to be filled
+    * @param aSupportedIds array of supported content IDs to be filled
+    */
+    void SetAttributesL( const CMPXCollectionPath& aPath, RArray<TMPXAttribute>& aAttrs,
+                         RArray<TInt>& aSupportedIds );
+    
+#ifdef _DEBUG
+    /**
+    * Prints messages for debugging
+    * @param aMessage message(s) to be printed
+    */
+    void PrintMessagesL(const CMPXMessage& aMessage);
+
+    /**
+    * Prints a single message for debugging
+    * @param aMessage a message to be printed
+    */
+    void PrintMessage(const CMPXMessage& aMessage);
+#endif
+
+private:
+
+    RFs                  iFs;
+    CMPXResource*        iResource;
+    CMPXPodcastDbHandler*iDbHandler;
+    CMPXDrmMediaUtility* iDrmMediaUtility;
+    CDesCArrayFlat*      iPodcastLibraryTitles;                 // podcast library view titles
+    CDesCArrayFlat*      iPodcastLibraryMainMenuItemTitles;     // podcast library item menu item titles
+    RArray<TInt>         iPodcastLibraryMainMenuItemIds;        // podcast library item menu IDs
+    CDesCArrayFlat*      iPodcastTitlePublishDateCat;           // publish date view menu titles
+    RArray<TInt>         iPodcastPublishDateIds;                // publish date view menu IDs
+    CDesCArrayFlat*      iPodcastEpisodeViewPublishDateTitle;   // episodes view publish date titles
+    RArray<TInt>         iPodcastEpisodeViewPublishDateIds;     // episodes view publish date title IDs
+
+    HBufC*               iTitleMyPodcast;       // podcast menu view title string
+    HBufC*               iTitleAllEpisodes;     // All Episodes title string
+    HBufC*               iTitlePubDate;         // Published Date title string
+    HBufC*               iTitleTitles;          // Titles title string
+    HBufC*               iTitleAdded;           // Recently Added title string
+    HBufC*               iTitleUnplayed;        // Not Yet played title string
+
+    TInt                 iStateChangedDrive;    // drive number of the media has just opened/close
+    TInt                 iStateChangedOldMaster;
+    TBool                iStateChangedOpen;
+    TBool                iMtpInUse;
+    TBool                iRefreshing;
+
+    TInt                 iNumberOfEpisodesInCurrentPublishDateCategory;
+
+    CMPXDbActiveTask*    iActiveTask;
+    RArray<TMPXItemId>   iSelections;   //selected items in the path
+    TBool iFirstDeleteStep;
+
+    };
+
+#endif   // MPXPODCASTDBPLUGIN_H
+
+