ncdengine/provider/client/inc/ncdnodepurchaseproxy.h
changeset 0 ba25891c3a9e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ncdengine/provider/client/inc/ncdnodepurchaseproxy.h	Thu Dec 17 08:51:10 2009 +0200
@@ -0,0 +1,350 @@
+/*
+* 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:   ?description
+*
+*/
+
+
+#ifndef C_NCD_NODE_PURCHASE_PROXY
+#define C_NCD_NODE_PURCHASE_PROXY
+
+#include <s32mem.h>
+#include <badesca.h>
+
+#include "ncdinterfacebaseproxy.h"
+#include "ncdnodepurchase.h"
+
+class CNcdNodeMetadataProxy;
+class CNcdPurchaseOptionProxy;
+class CNcdClientSubscribableContent;
+
+/**
+ *  Implementation of purchase-interface
+ *
+ *  @see MNcdNodePurchase
+ *  Implementation of purchase-interface which acts also as
+ *  a proxy.
+ *
+ *  @lib ?library
+ *  @since S60 ?S60_version *** for example, S60 v3.0
+ */
+class CNcdNodePurchaseProxy : public CNcdInterfaceBaseProxy,
+                              public MNcdNodePurchase
+    {
+
+
+
+public:
+
+
+    /**
+     * @param aSession The session between the client proxy and the
+     * corresponding server object.
+     * @param aHandle The handle which identifies the server object
+     * that this proxy uses.
+     * @param aMetadata Owns and uses the information of this proxy.
+     * The metadata also keeps track of the refence counts of its objects. 
+     * And handles the deletion of these objects when the total reference 
+     * count reaches zero.
+     * @return CNcdNodePurchaseProxy* Pointer to the created object 
+     * of this class.
+     */
+    static CNcdNodePurchaseProxy* NewL(
+        MCatalogsClientServer& aSession,
+        TInt aHandle,
+        CNcdNodeMetadataProxy& aMetadata );
+
+    /**
+     * @param aSession The session between the client proxy and the
+     * corresponding server object.
+     * @param aHandle The handle which identifies the server object
+     * that this proxy uses.
+     * @param aMetadata Owns and uses the information of this proxy.
+     * The metadata also keeps track of the refence counts of its objects. 
+     * And handles the deletion of these objects when the total reference 
+     * count reaches zero.
+     * @return CNcdNodePurchaseProxy* Pointer to the created object 
+     * of this class.
+     */
+    static CNcdNodePurchaseProxy* NewLC(
+        MCatalogsClientServer& aSession, 
+        TInt aHandle,
+        CNcdNodeMetadataProxy& aMetadata );
+
+    /**
+     * Destructor.
+     * The destructor is set public. So, the node that owns the PurchaseProxy may
+     * delete it directly when the reference count of the node reaches zero
+     * and the destructor of the node is called.
+     */
+    virtual ~CNcdNodePurchaseProxy();
+
+
+    /**
+     * This function is called to update proxy data.
+     * The function uses the internalize functions.
+     *
+     * @since S60 ?S60_version
+     */
+    void InternalizeL();
+
+    /**
+     * This function is called to update proxy data related to
+     * purchaseoptions.
+     * The function uses the protected virtual internalize functions. 
+     * So, the child classes may provide their own implementations 
+     * for internalizations of certain data.
+     *
+     * @since S60 ?S60_version
+     */    
+    void InternalizeMeansL();
+
+    /**
+     * This function is called to update proxy data related to
+     * purchasehistory.
+     * The function uses the protected virtual internalize functions. 
+     * So, the child classes may provide their own implementations 
+     * for internalizations of certain data.
+     *
+     * @since S60 ?S60_version
+     */        
+    void InternalizeHistoryL();
+    
+    /**
+     * @return CNcdNodeMetadataProxy& Gives the proxy that owns this class object.
+     */
+    CNcdNodeMetadataProxy& Metadata() const;
+
+    /**
+     * Function to get subscribable content related to this
+     * NodePurchase. 
+     *
+     * @return Subscribable content if node is subscribable.
+     *         NULL otherwise.
+     *
+     * @since S60 ?S60_version
+     */ 
+    const CNcdClientSubscribableContent* SubscribableContent() const;
+    
+    
+
+public: // from base class MNcdNodePurchase
+
+    /**
+     * From MNcdNodePurchase.
+     * @see MNcdNodePurchase::PurchaseOptionsL
+     */
+    virtual RCatalogsArray< MNcdPurchaseOption > PurchaseOptionsL() const;
+    
+
+    /**
+     * From MNcdNodePurchase.
+     * @see MNcdNodePurchase::PurchaseOptionL
+     */
+    virtual MNcdPurchaseOption* PurchaseOptionL( 
+                const TDesC& aPurchaseOptionId ) const;
+    
+
+    /**
+     * From MNcdNodePurchase.
+     * @see MNcdNodePurchase::PurchaseL
+     */
+    virtual MNcdPurchaseOperation* PurchaseL(
+                MNcdPurchaseOption& aPurchaseOption,
+                MNcdPurchaseOperationObserver& aObserver );
+
+    /**
+     * From MNcdNodePurchase.
+     * @see MNcdNodePurchase::IsPurchased
+     */
+    virtual TBool IsPurchased() const;
+
+    
+    /**
+     * From MNcdNodePurchase.
+     * @see MNcdNodePurchase::PurchasedOptionL
+     */
+    virtual MNcdPurchaseOption* PurchasedOptionL() const;
+
+
+    /**
+     * From MNcdNodePurchase.
+     * @see MNcdNodePurchase::TimeOfPurchaseL
+     */
+    virtual TTime TimeOfPurchaseL() const;
+
+
+    /**
+     * From MNcdNodePurchase.
+     * @see MNcdNodePurchase::PurchasedPriceL
+     */
+    virtual const TDesC& PurchasedPriceL() const;
+
+
+protected:
+
+    /**
+     * Constructor
+     *
+     * @param aSession The session between the client proxy and the
+     * corresponding server object.
+     * @param aHandle The handle which identifies the server object
+     * that this proxy uses.
+     * @param aMetadata Owns and uses the information of this proxy.
+     * The metadata also keeps track of the refence counts of its objects. 
+     * And handles the deletion of these objects when the total reference 
+     * count reaches zero.
+     * @return CNcdNodePurchaseProxy* Pointer to the created object 
+     * of this class.
+     */
+    CNcdNodePurchaseProxy(
+        MCatalogsClientServer& aSession,
+        TInt aHandle,
+        CNcdNodeMetadataProxy& aMetadata );
+
+    virtual void ConstructL();
+
+    /**
+     * Function that does the actual internalization of
+     * purchaseoption-related data for this proxy.
+     *
+     * @since S60 ?S60_version
+     * @param aStream Stream where from data is internalized.
+     */    
+    virtual void InternalizeMeansDataL( RReadStream& aStream );
+
+    /**
+     * Function that does the actual internalization of
+     * purchasehistory-related data for this proxy.
+     *
+     * @since S60 ?S60_version
+     * @param aStream Stream where from data is internalized.
+     */
+    virtual void InternalizeHistoryDataL( RReadStream& aStream );
+
+
+private: // new methods
+
+    /**
+     * Calls delete to purchaseoptions stored into this
+     * class if there are no references left to them.
+     * If references are left changes purchaseoption's state
+     * to obsolete and removes the purchaseoption from the
+     * purchaseoptions stored to this class. After this
+     * the one that holds the reference to the
+     * purchaseoption should destroy it by calling release.
+     *
+     * In the end resets the purchaseoption array.
+     *
+     * @since S60 ?S60_version
+     */   
+    void DeletePurchaseOptions();
+
+    /**
+     * Resets purchasehistory related member variables.
+     *
+     * @since S60 ?S60_version
+     */     
+    void ResetHistoryData();
+    
+    /**
+     * Request the purchase option ids that exist in server side.
+     *
+     * @return Array of the purchase option ids.
+     * @since S60 ?S60_version
+     */
+    CDesCArray* RequestPurchaseOptionIdsL();
+    
+    /**
+     * Releases the purchase options that don't exist in the given
+     * array.
+     *
+     * @param aPurchaseOptionIds Array of purchase option ids.
+     * @since S60 ?S60_version
+     */
+    void ReleaseMissingPurchaseOptions(
+        const CDesCArray& aPurchaseOptionIds );
+    
+    /**
+     * Calls InternalizeL() for the current purchase options.
+     *
+     * @since S60 ?S60_version
+     */
+    void InternalizeExistingPurchaseOptionsL();
+    
+    /**
+     * Internalizes the subscribable content and purchase options
+     * defined in the given array.
+     *
+     * @param aPurchaseOptionIds Array of purchase option ids.
+     * @since S60 ?S60_version
+     */
+    void InternalizeMeansL( const CDesCArray& aPurchaseOptionIds );
+    
+    /**
+     * Tells whether there is a purchase option with the given id.
+     *
+     * @param aId The purchase option id.
+     * @return True if the id exists, otherwise false.
+     * @since S60 ?S60_version
+     */
+    TBool HasPurchaseOption( const TDesC& aId ) const;
+
+private: // data
+
+    /**
+     * Array that holds purchaseOptions of related dataentity.
+     * Because we use internal reference counting, we
+     * don't use CatalogsArray which calls Release for the
+     * objects stored in it when ResetAndRelease is called.
+     */
+    RPointerArray<CNcdPurchaseOptionProxy> iPurchaseOptions;
+
+    /**
+     * Container for possible subscribable content info. Found
+     * if this node has a purchase option for buying a subscription.
+     * Used when buying a subscription.
+     * Own.
+     */    
+    CNcdClientSubscribableContent* iSubscribableContent;
+
+    /**
+     * Whether the node is purchased or not.
+     */
+    TBool iIsPurchased;
+
+    /**
+     * Purchase option id that identifies the purchase option
+     * that was used to make the most recent purchase.
+     */
+    HBufC* iPurchasedOptionId;
+    
+    /**
+     * The time of the purchase if the node has been purchased.
+     */
+    TTime iTimeOfPurchase;  
+      
+    /**
+     * The final price which was paid when the node was
+     * purchased. That is, if it was purchased.
+     */
+    HBufC* iPurchasedPrice;
+
+    CNcdNodeMetadataProxy& iMetadata;
+
+    };
+
+
+
+#endif // C_NCD_NODE_PURCHASE_PROXY