1 /*

     2 * Copyright (c) 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 the License "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:   Ui Event Sender Class

    15 *

    16 */

    17 

    18 #ifndef UIEVENTSENDER_H_

    19 #define UIEVENTSENDER_H_

    20 

    21 #include <e32base.h>

    22 #include <coemain.h>

    23 #include <rt_uievent.h>

    24 

    25 namespace stmUiEventEngine

    26 {

    27 

    28 class CUiEvent;

    29 /**

    30  * CUiEventSender class for handling the sending of events to the UI event listener

    31  */

    32 NONSHARABLE_CLASS(CUiEventSender): public CBase

    33     {

    34 public:

    35     enum TEventSenderState

    36         {

    37         ENoEvents,

    38         EEventsReady,

    39         EBusy

    40         };

    41 

    42     static CUiEventSender* NewL( );

    43     ~CUiEventSender();

    44 

    45     TInt AddEvent(CUiEvent* aGestureEvent);

    46     bool addObserver(MUiEventObserver* aObserver );

    47     bool removeObserver(MUiEventObserver* aObserver );

    48     void setLogging(bool a) {m_loggingenabled = a;} ;

    49 

    50 private:

    51     CUiEventSender();

    52     void EmitEventL( const CUiEvent& aGestureEvent );

    53 

    54     /*!

    55      * Should we be prepared for more than 5 pointers ?  Jos tulee Torvisen voittaja

    56      */

    57     CUiEvent* iEvents[stmUiEventEngine::KMaxNumberOfPointers];

    58     void compressStack(CUiEvent* aUiEvent) ;

    59 

    60     /*

    61      * Let's be prepared for more than one observer,

    62      * although usually there is only the gesture engine

    63      */

    64     RPointerArray<MUiEventObserver> iObserver;

    65     bool m_loggingenabled ;

    66 

    67     };

    68 }

    69 #endif /* UIEVENTSENDER_H_ */