1 /*!

     2 * Copyright (c) 2010 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: Implements key sequence recognition filter for Dialpad.

    15 *

    16 */

    17 

    18 #ifndef DIALPADKEYSEQUENCEEVENTFILTER_H

    19 #define DIALPADKEYSEQUENCEEVENTFILTER_H

    20 

    21 #include <QObject>

    22 #include <xqappmgr.h>

    23 #include <xqaiwinterfacedescriptor.h>

    24 

    25 class Dialpad;

    26 

    27 /*!

    28     DialpadKeySequenceEventFilter

    29     Class provides key sequence recognition and handling.

    30 */

    31 class DialpadKeySequenceEventFilter : public QObject

    32 {

    33     Q_OBJECT

    34 

    35 public:

    36     explicit DialpadKeySequenceEventFilter(

    37         Dialpad* dialpad, 

    38         QObject* parent = 0);

    39     virtual ~DialpadKeySequenceEventFilter();

    40 

    41 public:

    42     bool eventFilter(QObject *watched, QEvent *event);

    43 

    44 private:

    45     void constructKeySequenceToHandlerMappings();

    46     XQAiwInterfaceDescriptor findKeySequenceHandler(

    47         const QString &keySequenceCandidate);

    48     

    49 private:

    50     /*! Dialpad. Not own. */

    51     Dialpad* mDialpad;

    52     

    53     /*! Application manager. */

    54     XQApplicationManager mAiwMgr;

    55     

    56     /*! Key sequence validators and associated sequence handlers. */

    57     QMap<QString, XQAiwInterfaceDescriptor> mValidators;

    58 };

    59 

    60 #endif // DIALPADKEYSEQUENCEEVENTFILTER_H