wlanutilities/wlanplugin/inc/wlanplugin.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 09:20:28 +0200
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/*
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: 
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*        Header file for CWlanPlugin class.
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*
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*/
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#ifndef __C_WLANPLUGIN_H__
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#define __C_WLANPLUGIN_H__
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// System includes
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#include <gsplugininterface.h>
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#include <ConeResLoader.h>
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#include <AknServerApp.h>
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//forward declarations
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class CAknNavigationDecorator;
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class CAknViewAppUi;
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class CAknNullService;
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class CGSParentPlugin;
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class CWlanPluginWlanState;
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/**
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* WLAN plugin's UID
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*/
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const TUid KWlanPluginUid = { 0x10281BCA };
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/**
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* WlanSniffer applicatoin's UID
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*/
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const TUid KSnifferAppUid = { 0x10281CAA };
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/**
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* WLAN plugin class.
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*/
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class CWlanPlugin : public CGSPluginInterface,
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                    public MAknServerAppExitObserver 
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    {
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    public://Constructors & destructors
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        /**
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        * First phase constructor
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        * Creates new instance of CWlanPlugin 
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        * @param aInitParams Initialising parameters
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        * @return a plugin instance
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        */ 
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        static CWlanPlugin* NewL( TAny* aInitParams );
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        /**
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        * Destructor
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        */
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        ~CWlanPlugin();
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    public: // Functions from base class
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        /**
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        * From CAknView
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        */
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        /**
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        * Returns the Plugin's UID
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        * @return UID of the plugin
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        */
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        TUid Id() const;
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        /*
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        * Funtion called when This is activated.
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        * @param aPrevViewId The previous View Id
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        * @param aCustomMessageId Id of a custom message
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        * @param aCustomMessage Content of the custom message
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        */
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        void DoActivateL( const TVwsViewId& aPrevViewId, 
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                          TUid aCustomMessageId, 
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                          const TDesC8& aCustomMessage );
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        /*
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        * Funtion called when this is deactivated.
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        */
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        void DoDeactivate();
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    public:
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        /**
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        * from CGSPluginInterface
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        */
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        /*
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        * Called by the CP framework. This returns the
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        * caption of the plugin, the first line of the listbox
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        * element of it, shown in the Control Panel UI.
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        * @param aCaption The caption is copied here
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        */
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        void GetCaptionL( TDes& aCaption ) const;
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        /*
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        * Returns if it has bitmap.
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        * @return The logical value of having birmap
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        */
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        TBool HasBitmap() const;
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        /*
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        * Returns a bitmap.
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        * @param aBitmap the returned bitmap
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        * @param aMask the returned mask of the bitmap
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        */
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        void GetBitmapL( CFbsBitmap* aBitmap, CFbsBitmap* aMask ) const;
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   119
        
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        /*
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        * Returns a the plugin provider's cathegory
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        * @return The id of the cathegory
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        */
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        TInt PluginProviderCategory() const;
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        /*
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        * This function is called, when the plugin is selected.
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        * In this case it starts sniffer application
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        * @param aSelectionType The type of the selection
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        */
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        void HandleSelection( const TGSSelectionTypes aSelectionType );
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        /*
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        * Returns the type of the item.
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        * @return The type of the item
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        */
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        TGSListboxItemTypes ItemType();
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        /*
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        * Creates the asked type icon (main icon or D column icon)
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        * and returns a pointer to it.
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        * @param aIconType Type of the icon
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        * @return the asked icon
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        */
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        CGulIcon* CreateIconL( const TUid aIconType );
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        /**
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        * Method for checking, if plugin should be visible and used in GS FW.
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        * (for example shown in listbox of the parent view).
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        *
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        * On default plugin is visible. Overwrite this function to enable or
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        * disable your plugin dynamically.
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        *
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        * @return ETrue if plugin should be visible in GS.
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        * @return EFalse if plugin should not be visible in GS.
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        */
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        virtual TBool Visible() const;
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        /*
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        * The aKey identified value is given back by it. Actually
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        * the the second line of the listbox element of this plugin
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        * is given by this function.
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        * @param aKey The id of the asked value.
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        * @param aValue The returned value.
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        */
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        void GetValue( const TGSPluginValueKeys aKey,
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                          TDes& aValue );  
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        void HandleServerAppExit(TInt aReason);
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    protected:
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        /**
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        * Constructor
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        */
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        CWlanPlugin();
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    private:
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        /**
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        * Second phase constructor
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        */
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        TAny ConstructL();
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   186
               
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        /**
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        * Opens the localized resource file 
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   189
        */
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   190
        void OpenLocalizedResourceFileL();
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   191
        
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        /**
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   193
        * Launches Sniffer application 
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   194
        */
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   195
        void LaunchSnifferAppL();
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   196
              
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        /**
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        * Queries if wlan is supported
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        * @return if the wlan is supported
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        */
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        TBool GetWlanSupported() const;
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        /**
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        * Shows an error note in case of error. 
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        * @param aErrorCode The error code.
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        */
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        void ShowErrorNote(TInt aErrorCode);
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   208
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        /**
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        * Shows the error note and resolves the error.
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        * @param aErrorCode The error code.
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        */
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   213
        TBool ShowErrorNoteL(TInt aErrorCode);
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   214
    
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        /**
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   216
        * Shows a general error note
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   217
        */
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   218
        void ShowGeneralErrorNoteL();
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    private: //data
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   221
        
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        /*
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   223
        * @var resource loader
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   224
        */
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        RConeResourceLoader iResources;
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   226
        
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        /*
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        * @var null service
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   229
        */
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   230
        CAknNullService* iNullService;
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   231
        
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   232
        /*    
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   233
        * @var stores the present status line    
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   234
        */
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   235
        HBufC* iStatusLine;
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        /*
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        * @var wlan state handler/observer
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        */
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        CWlanPluginWlanState* iWlanState;       
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    };
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#endif //__C_WLANPLUGIN_H__
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//End of file