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:    The view control for the slideshow

    15  *

    16 */

    17 

    18 

    19 

    20 

    21 #ifndef __CSHWVIEWCONTROL_H__

    22 #define __CSHWVIEWCONTROL_H__

    23 

    24 // INCLUDES

    25 #include <e32std.h>

    26 #include <e32base.h>

    27 

    28 #include "shweventobserver.h"

    29 #include "shweventpublisherbase.h"

    30 

    31 // FORWARD DECLARATIONS

    32 class MGlxMediaList;

    33 

    34 // CLASS DECLARATION

    35 

    36 /**

    37  * CShwViewControl

    38  * 

    39  * @author Kimmo Hoikka

    40  * @lib shwslideshowengine.lib

    41  * @internal reviewed 07/06/2007 by Loughlin

    42  */

    43 NONSHARABLE_CLASS( CShwViewControl )

    44 	: public CShwEventPublisherBase, public MShwEventObserver

    45 	{

    46 	public: // Constructors and destructor

    47 

    48 		/**

    49 		 * Constructor.

    50 		 * @param aList, the list that is shown in slideshow

    51 		 * @param aTransitionDuration, the duration for transition in milliseconds

    52 		 * @param aViewDuration, the duration for view in milliseconds

    53 		 */

    54 		static CShwViewControl* NewL( 

    55 			MGlxMediaList& aList, TInt aTransitionDuration, TInt aViewDuration );

    56 

    57 		/**

    58 		 * Destructor.

    59 		 */

    60 		~CShwViewControl();

    61 

    62 	private:

    63 

    64 		/**

    65 		 * @param aList, the list that is shown in slideshow

    66 		 * Constructor

    67 		 */

    68 		CShwViewControl( MGlxMediaList& aList );

    69 

    70 		/**

    71 		 * 2nd stage constructor

    72 		 */

    73 		void ConstructL();

    74 

    75 	public: // From MShwEventObserver

    76 

    77 		/// @ref MShwEventObserver::NotifyL

    78 		void NotifyL( MShwEvent* aEvent );

    79 

    80 	private: // Implementation

    81 

    82         /// Check if state allows to send start view and send it

    83 	    void SendStartViewL();

    84         /// Check if state allows to send start transition and send it

    85 	    void CheckAndSendStartTransitionL();

    86 

    87         /// Ref: the medialist

    88         MGlxMediaList& iList;

    89 		/// Own: Transition duration

    90 		TInt iTransitionDuration;

    91 		/// Own: View duration

    92 		TInt iViewDuration;

    93 		/// Own: Flag to tell whether we received ready to start view

    94 		TBool iReadyToViewReceived;

    95 		/// Own: Flag to tell whether we received transition ready

    96 		TBool iTransitionReadyReceived;

    97 		/// Own: Flag to tell whether we received ready to advance

    98 		TBool iReadyToAdvanceReceived;

    99 		/// Own: Flag to tell whether we received timer beat

   100 		TBool iTimerReceived;

   101 		/// Own: Flag to tell that user navigated during pause

   102 		TBool iUserNavigated;

   103 		/// Own: Flag set to ETrue when paused, EFalse when playing

   104 		TBool iPaused;

   105 		/// Own: Flag to tell if user navigated while paused

   106 		TBool iUserNavigatedWhilePaused;

   107 

   108 	};

   109 

   110 #endif // __CSHWVIEWCONTROL_H__