--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpx/viewframework/viewutility/inc/mpxviewpluginhandler.h	Thu Dec 17 08:55:47 2009 +0200
@@ -0,0 +1,202 @@
+/*
+* 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:  MPX view plugin handler implementation
+*
+*/
+
+
+
+#ifndef CMPXVIEWPLUGINHANDLER_H
+#define CMPXVIEWPLUGINHANDLER_H
+
+
+// INCLUDES
+#include <e32base.h>
+#include <ecom/ecom.h>
+#include <mpxpluginhandlerbase.h>
+#include <mpxviewplugin.h>
+#include "mpxviewpluginmanager.h"
+
+
+// FORWARD DECLARATIONS
+class MMPXCustomCommandObserver;
+
+
+// CLASS DECLARATION
+
+/**
+ *  MPX view plugin handler.
+ *
+ *  @lib mpxviewutility.lib
+ *  @since S60 v3.1
+ */
+NONSHARABLE_CLASS( CMPXViewPluginHandler ) : public CMPXPluginHandlerBase,
+                                             public MMPXViewPluginManager
+    {
+public:
+
+    /**
+     * Two-phased constructor.
+     *
+     * @since 3.1
+     *
+     * @param aCommandObserver Observer to handle commands from the plugins
+     * @return Pointer to newly created object.
+     */
+    static CMPXViewPluginHandler* NewL(
+        MMPXCustomCommandObserver* aCommandObserver,
+        MMPXPluginHandlerObserver& aObserver );
+
+    /**
+     * Destructor.
+     */
+    virtual ~CMPXViewPluginHandler();
+
+    /**
+     * Wraper function to resolve view plugin
+     * Resolve view plugin based on the criteria passed in parameter.
+     *
+     * @since 3.0
+     * @param aUid Specific view plugin uid or plugin type uid.
+     * @param aResolvedPluginType On return, stores the plugin type of
+     *                            the returned pointer
+     * @param aResolvedPluginImplementationUid On return, stores the implementation
+     *                                         Uid of the resolved plugin
+     * @return Pointer to a view plugin object. Leave if not found.
+     */
+    CMPXViewPlugin* ResolvePluginL(
+        const TUid& aUid, TUid& aResolvedPluginType,
+        TUid& aResolvedPluginImplementationUid );
+
+    /**
+     * Wraper function to resolve view plugin
+     * Resolve view plugin based on the criteria passed in parameter.
+     *
+     * @since 3.0
+     * @param aUids List of Uids, including specific view plugin uid and/or
+     *              plugin type uid.
+     * @param aResolvedPluginType On return, stores the plugin type of
+     *                            the returned pointer
+     * @param aResolvedPluginImplementationUid On return, stores the implementation
+     *                                         Uid of the resolved plugin
+     * @return Pointer to a view plugin object. Leave if not found.
+     */
+    CMPXViewPlugin* ResolvePluginL(
+        const RArray<TUid>& aUids, TUid& aResolvedPluginType,
+        TUid& aResolvedPluginImplementationUid );
+
+    /**
+     * Wraper function to get a list of plugins that need to be pre-loaded.
+     *
+     * @since 3.0
+     * @param aUids On return, a list of plugins' uids that match the criteria.
+	 * @param aUid of specific application
+     */
+    void GetPreLoadPluginsL(
+        RArray<TUid>& aUids, const TUid& aUid );
+
+// from base class MMPXViewPluginManager
+
+    /**
+     * From MMPXViewPluginManager
+     * Return view plugin with specific view plugin uid.
+     *
+     * @since 3.0
+     * @param aUid Specific view plugin uid.
+     * @return Pointer to a view plugin object. Leave if not found.
+     */
+    CMPXViewPlugin* PluginL(
+        const TUid& aUid );
+
+    /**
+     * From MMPXViewPluginManager
+     * Wraper function to resolve view plugin
+     * Resolve view plugin based on the criteria passed in parameter.
+     *
+     * @since 3.0
+     * @param aUid Specific view plugin uid or plugin type uid.
+     * @param aResolvedPluginType On return, stores the plugin type of
+     *                            the returned pointer
+     * @return Pointer to a view plugin object. Leave if not found.
+     */
+    CMPXViewPlugin* ResolvePluginL(
+        const TUid& aUid, TUid& aResolvedPluginType );
+
+    /**
+     * From MMPXViewPluginManager
+     * Wraper function to resolve view plugin
+     * Resolve view plugin based on the criteria passed in parameter.
+     *
+     * @since 3.0
+     * @param aUids List of Uids, including specific view plugin uid and/or
+     *              plugin type uid.
+     * @param aResolvedPluginType On return, stores the plugin type of
+     *                            the returned pointer
+     * @return Pointer to a view plugin object. Leave if not found.
+     */
+    CMPXViewPlugin* ResolvePluginL(
+        const RArray<TUid>& aUids, TUid& aResolvedPluginType );
+
+private:
+
+    /**
+     * C++ default constructor.
+     *
+     * @param aCommandObserver Observer to handle commands from the plugins
+     * @param aObserver handler observer
+     */
+    CMPXViewPluginHandler( MMPXCustomCommandObserver* aCommandObserver,
+        MMPXPluginHandlerObserver& aObserver );
+
+    /**
+     * By default Symbian 2nd phase constructor is private.
+     */
+    void ConstructL();
+
+    /**
+     * From Base CMPXPluginHandlerBase
+     *
+     * Not used, use ResolvePluginL( const RArray/Uid, TUid ) instead
+     */
+    void ResolvePluginL();
+
+    /**
+    * @see CMPXPluginHandlerBase
+    */
+    TBool IsPluginLoaded(const TUid& aPluginUid);
+
+    /**
+    * @see CMPXPluginHandlerBase
+    */
+    void LoadPluginL(const TUid& aPluginUid);
+
+    /**
+    * @see CMPXPluginHandlerBase
+    */
+    void UnloadPlugin(const TUid& aPluginUid);
+
+private:    // data
+
+    /**
+     * Loaded plugins. The index must correspond in these arrays.
+     */
+    RPointerArray<CMPXViewPlugin> iLoadedPlugins;
+    RArray<TUid> iLoadPluginUids;
+
+    MMPXCustomCommandObserver* iCommandObserver; // not owned
+    };
+
+#endif  // CMPXVIEWPLUGINHANDLER_H
+
+// End of File