1 /*

     2 * Copyright (c) 2007-2008 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:    Slideshow backlight timer management..

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef C_SHWSLIDESHOWBACKLIGHTTIMER_H

    22 #define C_SHWSLIDESHOWBACKLIGHTTIMER_H

    23 

    24 #include <e32base.h>

    25 #include <shwconstants.h>

    26 

    27 // FORWARD DECLARATION

    28 class CRepository;

    29 

    30 // CLASS DECLARATION

    31 

    32 /**

    33 * Media gallery backlight controlling timer (for slide show view)

    34 * @internal reviewed 07/06/2007 by Kimmo Hoikka

    35 */

    36 NONSHARABLE_CLASS(CShwSlideshowBackLightTimer) : public CBase

    37     {

    38     public:  // Constructors and destructor

    39 

    40 		/**

    41         * Two-phased constructor.

    42         */

    43         static CShwSlideshowBackLightTimer* NewL();

    44 

    45         /**

    46         * Destructor.

    47         */

    48         virtual ~CShwSlideshowBackLightTimer();

    49 

    50     public: // New functions

    51 

    52 		/**

    53 		* Cancels the timer

    54 		*/

    55 		void Cancel();

    56 

    57 		/**

    58 		* Starts the timer

    59 		*/

    60 		void StartL();

    61 

    62 		/**

    63 		* Is timer active or not?

    64 		* @return ETrue is active, EFalse otherwise

    65 		*/

    66 		TBool IsRunning();

    67 

    68 		/**

    69 		* Delay value

    70 		* @return TInt

    71 		*/

    72 		TInt Delay();

    73 

    74 		/**

    75 		* Callback function for the timer to call

    76 		* @param aObject any given object

    77 		* @return TInt

    78 		*/

    79 		TInt Tick();

    80 

    81 	private:

    82 

    83 		/**

    84         * C++ default constructor.

    85         */

    86         CShwSlideshowBackLightTimer();

    87 

    88 		/**

    89         * Symbian 2nd phase constructor

    90         */

    91         void ConstructL();

    92 

    93 	private: // Data

    94 

    95 		TInt  iSettingsDelay;

    96 		TTime iStartTime;

    97 

    98 		CPeriodic* iPeriodic; // owned

    99 	};

   100 

   101 #endif	// C_SHWSLIDESHOWBACKLIGHTTIMER_H