psmservices/psmserver/inc/engine/psmsettingshandler.h
changeset 0 4e1aa6a622a0
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/psmservices/psmserver/inc/engine/psmsettingshandler.h	Tue Feb 02 00:53:00 2010 +0200
@@ -0,0 +1,161 @@
+/*
+* Copyright (c) 2007 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:  PSM settings handler class.
+*
+*/
+
+
+#ifndef PSMSETTINGSHANDLER_H
+#define PSMSETTINGSHANDLER_H
+
+#include <e32base.h>
+#include <psmsettingsprovider.h>
+
+// FORWARD DECLARATIONS
+class CPsmStorage;
+class CPsmConfigStorage;
+class CPsmCenRepStorage;
+class CPsmBackupStorage;
+
+/**
+ *  PSM Settings handler class
+ *
+ *  Handles settings related events during power save mode change
+ *
+ *  @since S60 5.0
+ */
+class CPsmSettingsHandler : public CBase,
+                            public MPsmSettingsProvider
+    {
+    public:  // Constructors and destructor
+
+        /**
+         * Creates a new PSM settings handler.
+         *
+         * @since S60 5.0
+         * @param aMode Mode where to swith to
+         * @return A pointer to the created object.
+         */
+        static CPsmSettingsHandler* NewL( TPsmsrvMode aMode );
+
+        /**
+         * Creates a new PSM settings handler. Newly created instance is left in the cleanup stack.
+         *
+         * @since S60 5.0
+         * @param aMode Mode where to swith to
+         * @return A pointer to the created object.
+         */
+        static CPsmSettingsHandler* NewLC( TPsmsrvMode aMode );
+
+        /**
+         * Destructor.
+         */
+        virtual ~CPsmSettingsHandler();
+
+        /**
+         * From MPsmSettingsProvider. Changes the settings
+         */
+        void BackupAndGetSettingsL( RConfigInfoArray& aPsmConfigArray, const TUint32 aRepository );
+
+        /**
+         * From MPsmSettingsProvider. Gets configuration set for current PSM mode
+         */
+        void GetSettingsL( RConfigInfoArray& aPsmConfigArray, const TUint32 aRepository );
+
+        /**
+         * From MPsmSettingsProvider. Creates backup for configuration set.
+         */
+        void BackupSettingsL( const RConfigInfoArray& aPsmConfigArray, const TUint32 aRepository );
+
+        /**
+         * Changes CenRep keys
+         */
+        void ChangeCenRepSettingsL();
+
+        /**
+         * Sets new mode
+         */
+        void SetMode( TPsmsrvMode aMode ); 
+
+        /**
+         * Returns mode where to switch to
+         */
+        TPsmsrvMode Mode() { return iMode; };
+
+        /**
+         * Returns current mode before mode change
+         */
+        TPsmsrvMode PreviousMode() const { return iCurrentMode; };
+
+    private:
+
+        /**
+         * C++ constructor.
+         * @param aMode Mode where to swith to
+         */
+        CPsmSettingsHandler( TPsmsrvMode aMode );
+
+        /**
+         * By default Symbian 2nd phase constructor is private.
+         */
+        void ConstructL();
+
+        /**
+         * Changes CenRep keys
+         */
+        void ChangeCenRepSettingsL( RConfigInfoArray& aPsmConfigArray, TUint32 aRepository );
+
+        /**
+         * Compares current settings to new settings, creates backup and returns 
+         * new settings
+         * 
+         * @param aConfigStorage Storage where to get new config values
+         * 
+         */
+        void ChangeSettingsL( RConfigInfoArray& aPsmConfigArray, 
+                              TUint32 aRepository,
+                              CPsmStorage& aConfigStorage );
+
+        /**
+         * Compares two configuration informations
+         */ 
+        TBool Compare( const TPsmsrvConfigInfo& aSource, const TPsmsrvConfigInfo& aTarget ) const;
+
+    private:    // Data
+
+        /**
+         * Mode where to switch to
+         */
+        TPsmsrvMode iMode;
+
+        /**
+         * Mode before PSM change completed
+         */
+        TPsmsrvMode iCurrentMode;
+
+        /**
+         * Handle to file server session
+         */
+        RFs iFileSession;
+
+        /**
+         * Storage file handlers
+         */
+        CPsmConfigStorage* iConfigStorage;
+        CPsmBackupStorage* iBackupStorage;
+        CPsmCenRepStorage* iCenRepStorage;
+
+    };
+
+#endif // PSMSETTINGSHANDLER_H