1 /*

     2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0""

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  Memory state popup implementation

    15 *

    16 */

    17 

    18 

    19 #ifndef __CMEMORYSTATEPOPUPIMPL_H__

    20 #define __CMEMORYSTATEPOPUPIMPL_H__

    21 

    22 // SYSTEM INCLUDES

    23 #include <e32base.h>

    24 #include <AknWaitDialog.h>

    25 #include <ConeResLoader.h>

    26 #include <msenguihandler.h>

    27 

    28 //  FORWARD DECLARATIONS

    29 class CAknPopupList;

    30 class CAknSingleHeadingPopupMenuStyleListBox;

    31 class CMemScanEventReceiver;

    32 class CMSPUtil;

    33 

    34 //  CLASS DEFINITION

    35 NONSHARABLE_CLASS(CMemStatePopupImpl) :	

    36                         public CActive, 

    37 						public MMsengUIHandler,

    38 						public MProgressDialogCallback

    39 	{

    40 	public:

    41 		//   Destructor

    42 		virtual ~CMemStatePopupImpl( );

    43 

    44 	private:

    45 		//   Second phase

    46 		void ConstructL( );

    47 

    48 		//   C++ constructors

    49 		CMemStatePopupImpl( TDriveNumber aDrive, const TDesC& aTitle );

    50 		CMemStatePopupImpl( );

    51 

    52 	public:

    53 		/**

    54 		* Launches the memory scan popup

    55 		* @param aDrive The drive to be scanned

    56 		* @param aTitle Title of the popup

    57 		*/

    58 		static void RunLD( TDriveNumber aDrive, const TDesC& aTitle );

    59 

    60 		/**

    61 		* Get an instance of CMSPUtil class, containing the unit text array

    62 		* @param aUtil Reference to a CMSPUtil pointer,

    63 		*		 updated to point to the instance created

    64 		*/

    65 		static void GetUtilL( CMSPUtil*& aUtil );

    66 

    67 	public:

    68 		// From MMsengUIHandler

    69 		void StartL( );

    70 		void QuitL( TInt /*aReason*/ );

    71 		void ErrorL( TInt aError );

    72 

    73 		// From MProgressDialogCallback

    74 		virtual void DialogDismissedL( TInt /*aButtonId*/ );

    75 

    76 	private:

    77 	

    78 	    // From CActive

    79         void RunL();

    80         void DoCancel();

    81         

    82 		/**

    83 		* Starts observing drive dismounts.

    84 		*/

    85         void StartObserver( );

    86 

    87 		/**

    88 		* Construct popup and ready it for use.

    89 		*/

    90 		void ConstructPopupL( );

    91 

    92 		/**

    93 		* Shows wait dialog and start scanning.

    94 		*/

    95 		void ExecuteL( );

    96 

    97 		/**

    98 		* Refresh the data shown in listbox.

    99 		*/

   100 		void RefreshL( );

   101 

   102 		/**

   103 		* Set the results to zero.

   104 		*/

   105 		void NullifyResults( );

   106 

   107 		/**

   108 		* Opens the resource and reads unit array from it.

   109 		*/

   110 		void OpenResourceAndReadArrayL( );

   111 

   112 	private:

   113 		// Not implemented

   114 		CMemStatePopupImpl( const CMemStatePopupImpl& );

   115 		CMemStatePopupImpl& operator=( CMemStatePopupImpl& );

   116 

   117 	private:

   118         /**

   119         * Container class used to prevent all pointer events 

   120         * passing from listbox to popup-list.

   121         */

   122         NONSHARABLE_CLASS(CMemStateListBox) : public CAknSingleHeadingPopupMenuStyleListBox

   123             {

   124         	public:

   125         		//   Destructor

   126         		virtual ~CMemStateListBox( ) {};

   127             };

   128 

   129 	private:

   130 		CDesCArray* iGroupNames;

   131 		CArrayFix< TInt64 >* iScanResults;

   132 		CDesCArray* iListModel;

   133         CMemStateListBox* iListBox;

   134 		CAknWaitDialog* iWaitDialog;

   135 		TBool iFinished;

   136 		TDriveNumber iDrive;

   137 		CAknPopupList* iPopup;

   138 		TDesC* iTitle;

   139 		CCoeEnv& iCoeEnv;

   140 		RConeResourceLoader iResLoader;

   141 		CMSPUtil* iUtil;

   142 		TBool iOwnsUtil;

   143         CMemScanEventReceiver* iEventReceiver;

   144 	};

   145 

   146 #endif      //  __CMEMORYSTATEPOPUPIMPL_H__

   147 

   148 // End of File