1 /*******************************************************************************

     2  * Copyright (c) 2007, 2010 Nokia Corporation and/or its subsidiary(-ies).

     3  * All rights reserved. This program and the accompanying materials

     4  * are made available under the terms of the Eclipse Public License v1.0

     5  * which accompanies this distribution, and is available at

     6  * http://www.eclipse.org/legal/epl-v10.html

     7  *

     8  * Contributors:

     9  *     Nokia Corporation - S60 implementation

    10  *******************************************************************************/

    11 

    12 

    13 #ifndef SWTFLIPWATCH_H

    14 #define SWTFLIPWATCH_H

    15 

    16 

    17 #include <e32base.h>

    18 #include <e32property.h>

    19 

    20 

    21 /**

    22  * MSwtFlipWatchTimerHandler

    23  */

    24 class MSwtFlipWatchTimerHandler

    25 {

    26 public:

    27     virtual void HandleTimeoutL() = 0;

    28 };

    29 

    30 

    31 /**

    32  * CSwtFlipWatchTimer

    33  * Timer used by the flip watch.

    34  * @lib eswt

    35  */

    36 NONSHARABLE_CLASS(CSwtFlipWatchTimer)

    37         : public CActive

    38 {

    39 // Own methods

    40 public:

    41     static CSwtFlipWatchTimer* NewL(MSwtFlipWatchTimerHandler* aHandler);

    42     virtual ~CSwtFlipWatchTimer();

    43     void SetTimer(TTimeIntervalMicroSeconds32 aDelay);

    44 private:

    45     CSwtFlipWatchTimer(MSwtFlipWatchTimerHandler* aHandler);

    46     void ConstructL();

    47     void RunL();

    48     void DoCancel();

    49 

    50 // Data

    51 private:

    52     RTimer iTimer;

    53     MSwtFlipWatchTimerHandler* iHandler;

    54 };

    55 

    56 

    57 /**

    58  * MSwtFlipObserver

    59  */

    60 class MSwtFlipObserver

    61 {

    62 public:

    63     /**

    64      * Flip being changed. In the case of several quick swaps of the flip

    65      * this notification will be sent continuosly.

    66      */

    67     virtual void FlipChangingL() = 0;

    68 

    69     /**

    70      * End of flip change. In the case of several quick swaps of the flip

    71      * this notification will be sent once after the quick swap stops.

    72      */

    73     virtual void FlipChangedL(TBool aState) = 0;

    74 };

    75 

    76 

    77 /**

    78  * CSwtFlipWatchTimer

    79  * Flip watch. Observers and reports changes in the flip status.

    80  * @lib eswt

    81  */

    82 NONSHARABLE_CLASS(CSwtFlipWatch)

    83         : public CActive

    84         , public MSwtFlipWatchTimerHandler

    85 {

    86 // Own methods

    87 public:

    88     static CSwtFlipWatch* NewL(MSwtFlipObserver* aObserver);

    89     virtual ~CSwtFlipWatch();

    90 private:

    91     CSwtFlipWatch(MSwtFlipObserver* aObserver);

    92     void ConstructL();

    93     void DoCancel();

    94     void RunL();

    95 

    96 // From MSwtFlipWatchTimerHandler

    97 public:

    98     void HandleTimeoutL();

    99 

   100 // Data

   101 private:

   102     RProperty iProperty;

   103     MSwtFlipObserver* iObserver;

   104     CSwtFlipWatchTimer* iTimer;

   105     TBool iFlipOpen;

   106 };

   107 

   108 

   109 #endif // SWTFLIPWATCH_H