1 /*

     2 * Copyright (c) 2003 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: 

    15 *     A foreground observer control in the status pane's navigation pane.

    16 *

    17 *

    18 *

    19 */

    20 

    21 

    22 #ifndef AKNNAVIFOREGROUNDOBSERVER_H

    23 #define AKNNAVIFOREGROUNDOBSERVER_H

    24 

    25 #include <coecntrl.h>

    26 #include <coemain.h>

    27 #include "aknnavi.h"

    28 

    29 class MAknTabObserver; 

    30 

    31 /**

    32  * Observer which holds the status of the foreground/background state of the

    33  * navipane.

    34  *

    35  */

    36 NONSHARABLE_CLASS(CAknNaviForegroundObserver) :  public CCoeControl, 

    37                                                  public MCoeForegroundObserver

    38 	{

    39 public:

    40     /** Destructor */

    41     ~CAknNaviForegroundObserver();

    42 

    43     static CAknNaviForegroundObserver* NewL(CAknNavigationControlContainer* aParent);

    44     static CAknNaviForegroundObserver* NewLC(CAknNavigationControlContainer* aParent);

    45 

    46     /** Control is in foreground or not */

    47     TBool HasForegroundGained();

    48 

    49 public: // From MCoeForegroundObserver

    50 

    51 	/** Handles the application coming to the foreground. */

    52 	void HandleGainingForeground();

    53 	/** Handles the application going into the background. */

    54 	void HandleLosingForeground();

    55 

    56 private:

    57     /** Standard constructor */

    58     CAknNaviForegroundObserver();

    59 

    60     void ConstructL(CAknNavigationControlContainer* aParent);

    61 

    62 private:

    63     TBool iHasForegroundGained;

    64     CAknNavigationControlContainer* iParent;

    65     };

    66 

    67 #endif // AKNNAVIFOREGROUNDOBSERVER_H