diff -r 5b6f26637ad3 -r f4a778e096c2 contacts_plat/cca_view_plugin_api/inc/ccaextensionfactory.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/contacts_plat/cca_view_plugin_api/inc/ccaextensionfactory.h	Wed Sep 01 12:29:52 2010 +0100
@@ -0,0 +1,256 @@
+/*
+* Copyright (c) 2009-2010 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:
+*
+*/
+
+#ifndef CCAEXTENSIONFACTORY_H
+#define CCAEXTENSIONFACTORY_H
+
+#include <e32base.h>
+
+class MCCAViewLauncher;
+class MCCAStatusProvider;
+
+/**
+ *  ECom interface for CCA Extension factory.
+ *  At the moment extension factory interface is used only for extend CCA 
+ *  Status button implementation:
+ *   - CCA Status button implementation uses this interface to launch external 
+ *   views (MCCAViewLauncher) when user tap the Status button.
+ *   - CCA Status button implementation uses MCCAStatusProvider interface to
+ *   read status information from plug-in if status infromation doesn't found in 
+ *   Presence Cache.
+ *  @lib n/a
+ *  @since 9.2
+ */
+class CCCAExtensionFactory : public CBase
+    {
+public: // constructor and destructor
+    inline static CCCAExtensionFactory* NewL(
+                        const TUid& aImplementationUid );
+
+    inline virtual ~CCCAExtensionFactory();
+
+    /**
+     * Creates a view launcher.
+     * Ownership is given.
+     * @return View Launcher instance @see MCCAViewLauncher
+     */
+    virtual MCCAViewLauncher* CreateViewLauncherL()
+        {
+        return NULL;
+        }
+    
+    /**
+     * Returns Service ID of the plug-in.
+     */
+    virtual const TDesC& ServiceID() const = 0;
+
+    /**
+     * Extension point for the factory
+     */
+    virtual TAny* FactoryExtension(
+            TUid /*aExtensionUid*/ )
+        {
+        return NULL;
+        }
+
+private: // data
+
+    // Own: ID key
+    TUid iDtor_ID_Key;
+
+    };
+
+// Use this UID to access CCCAExtensionFactory's status provider creator.
+// Used as a parameter to CCCAExtensionFactory::FactoryExtension method.
+const TUid KCCAExtensionFactoryStatusProviderCreatorUid = { 2 };
+
+/**
+ * This class is an extension to CCCAExtensionFactory.
+ *
+ * @see CCCAExtensionFactory
+ * @see KCCAExtensionFactoryStatusProviderCreatorUid
+ */
+class MCCAExtensionFactoryStatusProviderCreator
+    {
+    protected:  // Destructor
+        virtual ~MCCAExtensionFactoryStatusProviderCreator() { }
+
+    public:
+
+        /**
+         * Creates a status provider.
+         * Ownership is given.
+         * @return Status provider instance @see MCCAStatusProvider
+         */
+        virtual MCCAStatusProvider* CreateStatusProviderL() = 0;
+
+    };
+
+/**
+ *  View launcher extension for the CCA.
+ */
+class MCCAViewLauncher
+    {
+public:
+    /// virtual destructor
+    virtual ~MCCAViewLauncher() {};
+
+    enum TCCAView
+        {
+        /// External view for MyCard
+        EMyCardView =   0x0,
+        /// External view for contact
+        ECCAView =      0x1
+        };
+
+    /**
+     * Returns a true if view launcher supports current view.
+     */
+    virtual TBool IsViewSupported( MCCAViewLauncher::TCCAView aView ) = 0;
+
+    /**
+     * CCA and MyCard uses this function to launch external views.
+     * @param aView @see TCCAView
+     * @param aPackedContactLink packed link to the
+     *        contact @see MVPbkContactLink
+     */
+    virtual void LaunchViewL( MCCAViewLauncher::TCCAView aView,
+            const TDesC8* aPackedContactLink = NULL ) = 0;
+
+    /**
+     *  Extension point for the View Launcher
+     */
+    virtual TAny* ViewLauncherExtension(
+            TUid /*aExtensionUid*/ )
+        {
+        return NULL;
+        }
+
+protected:
+    MCCAViewLauncher() {};
+
+    };
+
+class MCCAStatusProviderObserver;
+class MVPbkContactLink;
+class CGulIcon;
+
+/**
+ * Status provider extension for the CCA
+ */
+class MCCAStatusProvider
+    {
+public:
+    /// virtual destructor
+    virtual ~MCCAStatusProvider() {};
+
+    /**
+     * Add observer
+     * @param aObserver instance @see MCCAStatusProviderObserver
+     */
+    virtual void AddObserverL(
+            MCCAStatusProviderObserver& aObserver ) = 0;
+
+    /**
+     * Removes observer
+     * @param aObserver instance @see MCCAStatusProviderObserver
+     */
+    virtual void RemoveObserver(
+            MCCAStatusProviderObserver& aObserver ) = 0;
+
+    /**
+     * CCA fetch status information for the Status button with this method 
+     * if status information is not found from Presence Cache
+     * @param aLink
+     * @param aText Status Text, ownership is transfered 
+     * @param aIcon Status Icon, ownership is transfered
+     */
+    virtual void GetStatusInformationL(
+            const MVPbkContactLink& aLink,
+            HBufC*& aText,
+            CGulIcon*& aIcon ) = 0;
+
+    /**
+     * CCA fetch status information for the Status button with this method 
+     * if status information is not found from Presence Cache
+     * This function is used only for fetching My card status information
+     * @param aLink
+     * @param aText Status Text, ownership is transfered 
+     * @param aIcon Status Icon, ownership is transfered
+     */
+     virtual void GetMyCardStatusInformationL(
+             const MVPbkContactLink& aLink,
+             HBufC*& aText,
+             CGulIcon*& aIcon ) = 0;
+
+    /**
+     *  Extension point for the status provider
+     */
+    virtual TAny* StatusProviderExtension(
+            TUid /*aExtensionUid*/ )
+        {
+        return NULL;
+        }
+
+protected:
+    MCCAStatusProvider() {};
+	
+    };
+
+/**
+ * Interface to observe content changes
+ */
+class MCCAStatusProviderObserver
+    {
+public:
+    /**
+     * Event types
+     */
+    enum TCCAStatusProviderObserverEvent
+        {
+        /// Status is changed and CCA should fetch status information again
+        EStatusChanged = 0x0
+        };
+
+    /**
+     * Plug-in can notify CCA about status events 
+     * @param aEvent Type of the event
+     * @param aLink Contact which the event is about
+     */
+    virtual void StatusEvent(
+        MCCAStatusProviderObserver::TCCAStatusProviderObserverEvent aEvent,
+        const MVPbkContactLink* aLink = NULL ) = 0;
+
+    /**
+     *  Extension point for the MCCAStatusProviderObserver
+     */
+    virtual TAny* StatusProviderObserverExtension(
+            TUid /*aExtensionUid*/ )
+        {
+        return NULL;
+        }
+   
+protected:
+    MCCAStatusProviderObserver(){};
+    virtual ~MCCAStatusProviderObserver() {};
+	
+    };
+
+
+#include "ccaextensionfactory.inl"
+
+#endif // CCAEXTENSIONFACTORY_H