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:

    15 *

    16 */

    17 #ifndef CXESOUNDPLAYERSYMBIAN_H

    18 #define CXESOUNDPLAYERSYMBIAN_H

    19 

    20 #include <QObject>

    21 #include <QMetaType>

    22 #include <mdaaudiosampleplayer.h>

    23 #include "cxestatemachine.h"

    24 

    25 class CMdaAudioPlayerUtility;

    26 class CxeCameraDeviceControlSymbian;

    27 

    28 class CxeSoundPlayerSymbian : public QObject,

    29                               public CxeStateMachine,

    30                               public MMdaAudioPlayerCallback

    31 {

    32     Q_OBJECT

    33 public:

    34     /**

    35      * CaptureSound enum defines different types of capture sounds

    36      */

    37     enum CaptureSound {

    38         //! Unknown is used when the capture sound is not set

    39         Unknown = 0,

    40         //! StillCapture sound is used in image capturing

    41         StillCapture,

    42         //! VideoCaptureStart is used as video start sound

    43         VideoCaptureStart,

    44         //! VideoCaptureStop is used as video stop sound

    45         VideoCaptureStop,

    46         //! AutoFocus is used when auto focus completes succesfully

    47         AutoFocus

    48     };

    49 

    50     /*

    51      * Sound player states.

    52      */

    53     enum State {

    54         //! No sound is open

    55         NotReady = 0x01,

    56 

    57         //! OpenFileL is in progress

    58         Opening  = 0x02,

    59 

    60         //! Sound file is open and we're ready to play

    61         Ready = 0x04,

    62 

    63         //! Playback in progress

    64         Playing = 0x08

    65     };

    66 

    67     CxeSoundPlayerSymbian(CaptureSound soundId);

    68     virtual ~CxeSoundPlayerSymbian();

    69 

    70     /**

    71      * Plays the currently open capture sound.

    72      */

    73     void play();

    74 

    75 protected: // from CxeStateMachine

    76     void handleStateChanged(int newStateId, CxeError::Id error);

    77 

    78 signals:

    79     /**

    80      * playComlete signal is emitted when sound has been played.

    81      * @param error Contains status information whether there was a problem with playing or not

    82      */

    83     void playComplete(int error);

    84 

    85 public slots:

    86 

    87 protected: // from MMdaAudioPlayerCallback

    88     void MapcInitComplete(TInt aStatus, const TTimeIntervalMicroSeconds &aDuration);

    89     void MapcPlayComplete(TInt aStatus);

    90 

    91 private:

    92     /**

    93      * Get current sound player state.

    94      */

    95     State state() const;

    96 

    97     /**

    98      *

    99      */

   100     void doOpen();

   101 

   102     /**

   103      * Initialize CxeStateMachine.

   104      */

   105     void initializeStates();

   106 

   107     //! Own.

   108     CMdaAudioPlayerUtility *mAudioPlayer;

   109 

   110     //! Currently opened sound file

   111     CxeSoundPlayerSymbian::CaptureSound mSoundId;

   112 };

   113 

   114 Q_DECLARE_METATYPE(CxeSoundPlayerSymbian::State)

   115 

   116 #endif  // CXESOUNDPLAYERSYMBIAN_H

   117