--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpxplugins/serviceplugins/collectionplugins/mpxinmemoryplugin/inc/mpxinmemoryplugin.h	Thu Dec 17 08:45:05 2009 +0200
@@ -0,0 +1,203 @@
+/*
+* 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:  Simple plugin to cache media objects
+*
+*/
+
+
+
+#ifndef CMPXINMEMORYPLUGIN_H
+#define CMPXINMEMORYPLUGIN_H
+
+// INCLUDES
+#include <e32cmn.h>
+#include <mpxcollectionplugin.h>
+#include <mpxcollectionmessagedefs.h>
+
+// FORWARD DECLARATIONS
+class CMPXMedia;
+class CMPXMediaArray;
+class CMPXDrmMediaUtility;
+
+// CONSTANTS
+
+// CLASS DECLARATION
+
+/**
+*  CMPXInMemoryPlugin class 
+*
+*  Plug-in basically provides temporary in memory browsing
+*  @lib mpxinmemoryplugin.lib
+*/
+NONSHARABLE_CLASS(CMPXInMemoryPlugin) : public CMPXCollectionPlugin
+    {
+public: // Constructors and destructor
+
+    
+    /**
+    * Two-phased constructor
+    *
+    * @param aInitParams, initialization parameter
+    * @return object of constructed
+    */
+    static CMPXInMemoryPlugin* NewL();
+
+    /**
+    * Destructor
+    */
+    virtual ~CMPXInMemoryPlugin();
+    
+protected: // Functions from base classes
+    /**
+    *  from CMPXCollectionPlugin
+    */
+
+    /** 
+    * From CMPXCollectionPlugin
+    * Navigates to the given path
+    * @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 current file (async)
+    * @param aPath: a path   
+    * @param aAttrs: array of attributes requested             
+    * @param aCaps platsec capabilities of client requesting media; plug-in should also
+    *        verify its process capabilities
+    * @aParam aSpecs, specifications for attributes
+    */
+    void MediaL(const CMPXCollectionPath& aPath, 
+                const TArray<TMPXAttribute>& aAttrs,
+                const TArray<TCapability>& aCaps,
+                CMPXAttributeSpecs* aSpecs);
+            
+    /** 
+    * Cancel outstanding request
+    */
+    void CancelRequest();
+
+    /** 
+    * Executes a command on the selected collection
+    *
+    * @param aCmd a command
+    */
+    void CommandL(TMPXCollectionCommand aCmd, TInt aArg);
+
+    /**
+    * From CMPXCollectionPlugin
+    */
+    void CommandL(CMPXCommand& aCmd);
+    
+    /**
+    *  Adds item(s) to the collection
+    *
+    *  @param aNewProperties, Properties of the item
+    */
+    void AddL(const CMPXMedia& aNewMedia);
+    
+    /**
+    * Remove a collection path
+    * @param aPath, path to remove
+    *
+    */
+    void RemoveL(const CMPXCollectionPath& aPath );
+    
+    /**
+    *  Remove an item or items from the collection
+    *
+    *  @param aProperties, Properties of the item. It may cantain URI only
+    *                      or meta data, all of items matched properties 
+    *                      will be removed.
+    */
+    void RemoveL(const CMPXMedia& aMedia);
+    
+    /**
+    *  Sets/updates the media for the item
+    *  specified in the path
+    *
+    *  @param aMedia, new value
+    */
+    void SetL(const CMPXMedia& aMedia);
+    
+    /**
+    *  Find a list of items matched 
+    *
+    *  @param aMedia, properties to be searched
+    *  @param aAttrs, attributes to return from find
+    */
+    void FindAllL(const CMPXMedia& aMedia, const TArray<TMPXAttribute>& aAttrs);
+
+    /**
+    * Find a list of items matched (sync)
+    *
+    *  @param aMedia, properties to be searched
+    *  @param aAttrs, attributes to return
+    *  @return results of the search        
+    */
+    CMPXMedia* FindAllSyncL(const CMPXMedia& aMedia,
+                            const TArray<TMPXAttribute>& aAttrs);
+                            
+    /**
+    * Get the list of supported capabilities
+    *
+    * @return TCollectionCapability, bitmask of supported capabilities
+    */
+    TCollectionCapability GetCapabilities();
+                        
+protected: // New Functions
+    
+    /**
+    * Send change events back to the observer
+    * @param aId, embedded context that was changed
+    * @param aChange, change type
+    */
+    void HandleChangeL(const TMPXItemId& aId, TMPXChangeEventType aChange );
+
+    /**
+    * Internal function to Add a Media
+    * @param aMedia media to add
+    */
+    void DoAddL( const CMPXMedia& aMedia );
+    
+    /**
+    * Internal function to Set a Media
+    * @param aMedia media to set
+    */
+    void DoSetL( const CMPXMedia& aMedia );
+        
+protected: 
+    /**
+    * Constructor
+    */
+    CMPXInMemoryPlugin();
+    
+    /**
+    *  2nd phase constructor
+    */
+    void ConstructL();
+    
+protected:
+    CMPXDrmMediaUtility*     iDrmMediaUtility;
+    RPointerArray<CMPXMedia> iTemporaryData;
+    RArray<TInt>             iEmbeddedContext;
+    };
+
+#endif      // CMPXINMEMORYPLUGIN_H
+