1 /*

     2 * Copyright (c) 2009 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:  Navigation arrows used to replace the navipane.

    15 *

    16 */

    17 

    18 #ifndef CMRNAVIARROW_H_

    19 #define CMRNAVIARROW_H_

    20 

    21 #include <coecntrl.h>

    22 

    23 class CGulIcon;

    24 class CAknButton;

    25 class MESMRNaviArrowEventObserver;

    26 

    27 

    28 NONSHARABLE_CLASS( CMRNaviArrow ) : 

    29         public CCoeControl

    30     {

    31 public:

    32 	enum TArrowType {

    33 		EMRArrowLeft,

    34 		EMRArrowRight

    35 		};

    36 public:

    37     /**

    38      * Two-phased constructor.

    39      */

    40 	static CMRNaviArrow* NewL( const CCoeControl* aParent, TArrowType aType,

    41                                MESMRNaviArrowEventObserver* aObserver,

    42                                TSize aIconSize );

    43 

    44     /**

    45      * Destructor.

    46      */

    47     virtual ~CMRNaviArrow();

    48     

    49 private:

    50     /**

    51      * Default c++ constuctor

    52      */

    53     CMRNaviArrow( MESMRNaviArrowEventObserver* aObserver, TArrowType aType, TSize aIconSize );

    54     /**

    55      * Second phase constructor

    56      */

    57     void ConstructL( const CCoeControl* aParent );

    58     

    59 public: // From CCoeControl

    60     TInt CountComponentControls() const;

    61     CCoeControl* ComponentControl( TInt aInd ) const;

    62     void SizeChanged();

    63     void HandlePointerEventL(

    64             const TPointerEvent &aPointerEvent );

    65     void Draw(const TRect& aRect) const;

    66     

    67 public:

    68     /**

    69      * Set the navi arrow's visibility.

    70      * @param aVisible  Indicate if the arrow visible

    71      */

    72     void SetNaviArrowStatus( TBool aVisible );

    73     

    74 private:

    75     /**

    76      * Init the navi arrow buttons.

    77      */

    78     void InitNaviArrowsL();

    79     /**

    80      * Create a semi-transparent Icon.

    81      * @param aBitMap  The bitmap source

    82      * @param aBitMapMask The bitmap mask source

    83      */

    84     CGulIcon* CreateSemiTransparentIconL(  CFbsBitmap* aBitMap, 

    85                                       CFbsBitmap* aBitMapMask);

    86     

    87 private:

    88     /// Own: Left arrow button

    89     CAknButton* iArrow;

    90     /// Ref: Navi arrow event observer

    91     MESMRNaviArrowEventObserver* iObserver;

    92     /// Own: Left arrow visibility status

    93     TBool iArrowVisibility;

    94     /// Own: Store the type of such arrow

    95     TArrowType iArrowType;

    96     /// Own: Store the size of such arrow

    97     TSize iIconSize;

    98     };

    99 

   100 #endif /* CMRNAVIARROW_H_ */