1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

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

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15  

    16 #ifndef HWRMUIPLUGINSERVICE_H

    17 #define HWRMUIPLUGINSERVICE_H

    18 

    19 // INCLUDES

    20 #include <e32base.h>

    21 

    22 

    23 // CONSTANTS

    24 /** ECOM Plugin interface UID */

    25 const TUid KHwrmUiPluginServiceInterfaceUid = { 0x102857B5 };                                                       

    26 

    27 /**

    28 * A callback interface for foreground observer.

    29 *

    30 * @publishedPartner

    31 * @released

    32 */

    33 class MHwrmForegroundObserver

    34     {

    35 public:       

    36     /** 

    37     * Called when the client window gets the focus.

    38     */

    39    	virtual void HandleGainingForeground() = 0;

    40 	

    41     /** 

    42     * Called when the client window looses the focus.

    43     */

    44 	  virtual void HandleLosingForeground() = 0;	

    45     };

    46     

    47 

    48 /**

    49 *  UI Plugin interface class to be implemented by the foreground observer.

    50 *

    51 * @publishedPartner

    52 * @released

    53 */

    54 class CHwrmUiPluginService : public CBase

    55 	{

    56 public:

    57     /**

    58     * Factory method to create implementation. Implementation is found via ECom.

    59     */

    60     static CHwrmUiPluginService* NewL();

    61 

    62     /**

    63     * Factory method to create implementation. Implementation is found via ECom.

    64     */

    65     inline virtual ~CHwrmUiPluginService();

    66 

    67     /**

    68     * Update UI foreground observer

    69     *

    70     */

    71     void  virtual AddForegroundObserverL(MHwrmForegroundObserver* aObserver) = 0;

    72 	

    73     /**

    74     * Returns the foreground state of the window

    75     *

    76     * @return ETrue if the window is on focus otherwise EFalse

    77     *

    78     */

    79     TBool virtual InForeground() const = 0;

    80     

    81 protected:	

    82     TUid iDestructorIDKey;

    83 	};

    84 

    85 #include <hwrm/hwrmuipluginservice.inl>

    86 

    87 #endif  // HWRMUIPLUGINSERVICE_H