musichomescreen_multiview/musiccontentpublisher/inc/pluginmanager.h
changeset 0 ff3acec5bc43
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/musichomescreen_multiview/musiccontentpublisher/inc/pluginmanager.h	Thu Dec 17 08:45:05 2009 +0200
@@ -0,0 +1,150 @@
+/*
+* Copyright (c) 2008-2008 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:  Plugin manager, responsible to load the plugins.
+*
+*/
+
+
+#ifndef C_PLUGINMANAGER_H
+#define C_PLUGINMANAGER_H
+
+#include <e32base.h>
+#include <e32hashtab.h>
+
+class REComSession;
+class CMusicContentPublisher;
+
+/**
+ *  Plugin manager.
+ *  Class used to manage the the ECOM plugins
+ *  @since S60 S60 v5.0
+ */
+class CPluginManager : public CActive
+    {
+public:
+
+    /**
+     * Standard Symbian 2 phase constructor
+     */
+    static CPluginManager* NewL( TUid aUid, TAny *aParameter , CMusicContentPublisher* aContentPublisher );
+
+    /**
+     * Standard Symbian 2 phase constructor
+     */
+    static CPluginManager* NewLC( TUid aUid, TAny *aParameter , CMusicContentPublisher* aContentPublisher  );
+
+    /**
+     * Standard C++ destructor.
+     */
+    ~CPluginManager();
+
+    /**
+     * Gets plugin with provided UID
+     *
+     * @param aUid required plugin
+     * @return pointer to plugin implementation
+     */
+    TAny* GetImplementation( TUid aUid );
+
+    /**
+     * Gets plugin with provided index
+     *
+     * @param aIndex index of plugin
+     * @return pointer to plugin implementation
+     */
+    TAny* GetImplementation( TInt aIndex );
+
+    /**
+     * Gets number of plugins
+     *
+     * @return number of plugins
+     */
+    TInt GetCount();
+
+protected:
+
+    /**
+     * From CActive, RunL.
+     * Handles the active object’s request completion event
+     */
+    void RunL();
+
+    /**
+     * From CActive, DoCancel.
+     * Implements cancellation of an outstanding request.
+     */
+    void DoCancel();
+
+    /**
+     * From CActive, RunError.
+     * Method called when leave occured in RunL
+     */
+    TInt RunError( TInt aError );
+
+private:
+
+    /**
+     * C++ default constructor.
+     */
+    CPluginManager( TUid aUid, TAny *aParameter, CMusicContentPublisher* aContentPublisher );
+
+    /**
+     * Perform the second phase construction of a CPluginManager object.
+     */
+    void ConstructL();
+
+    /**
+     * Loads ECOM plugins
+     */
+    void LoadPluginsL();
+
+    /**
+     * Cleans plugins table;
+     */
+    void CleanPluginsTable();
+
+private: //data
+
+    /**
+     * ECOM handler
+     * Own.
+     */
+    REComSession* iSession;
+
+    /**
+     * Map containing plugins
+     * Own.
+     */
+    RHashMap< TInt32, TAny*> iPluginMap;
+
+    /**
+     * UID of the interface
+     */
+    const TUid iUid;
+
+    /**
+     * Parameter to pass to the object creation method.
+     */
+    TAny* iParameter;
+    
+    /**
+     * Content Publisher / Parent, not owned.
+     */
+    CMusicContentPublisher* iContentPublisher;
+
+    };
+
+#endif // C_PLUGINMANAGER_H
+
+//  End of File