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 #include <cxesoundplayersymbian.h>

    18 #include <AudioPreference.h>

    19 #include "cxutils.h"

    20 #include "cxecameradevicecontrolsymbian.h"

    21 #include "cxestate.h"

    22 

    23 const TUint KCxeAudioPriority = KAudioPriorityCameraTone;

    24 //const TUint KCxeAudioPriority = KAudioPriorityVideoRecording;

    25 

    26 _LIT(KCxeCaptureSound,    "z:\\system\\sounds\\digital\\capture.wav");

    27 _LIT(KCxeVideoStartSound, "z:\\system\\sounds\\digital\\videoStart.wav");

    28 _LIT(KCxeVideoStopSound,  "z:\\system\\sounds\\digital\\videoStop.wav");

    29 _LIT(KCxeAutoFocusSound,  "z:\\system\\sounds\\digital\\autoFocus.wav");

    30 

    31 

    32 CxeSoundPlayerSymbian::CxeSoundPlayerSymbian(CaptureSound soundId) :

    33     CxeStateMachine("CxeSoundPlayerSymbian"),

    34     mAudioPlayer(NULL),

    35     mSoundId(soundId)

    36 {

    37     CX_DEBUG_ENTER_FUNCTION();

    38 

    39     qRegisterMetaType<CxeSoundPlayerSymbian::State>();

    40     initializeStates();

    41 

    42     doOpen();

    43     CX_DEBUG_EXIT_FUNCTION();

    44 }

    45 

    46 CxeSoundPlayerSymbian::~CxeSoundPlayerSymbian()

    47 {

    48     CX_DEBUG_ENTER_FUNCTION();

    49 

    50     delete mAudioPlayer;

    51 

    52     CX_DEBUG_EXIT_FUNCTION();

    53 }

    54 

    55 void CxeSoundPlayerSymbian::play()

    56 {

    57     CX_DEBUG_ENTER_FUNCTION();

    58     CX_DEBUG(("CxeSoundPlayerSymbian::play mSoundId: %d, state: %d", mSoundId, state()));

    59 

    60     // Only play the capture sound if CMdaAudioPlayerUtility is initialised

    61     if (state() == Ready) {

    62         //! @todo: Define & implement what to do, when sound is already playing.

    63         // Important for sequence mode.

    64         setState(Playing);

    65         mAudioPlayer->Play();

    66     } else if( state() == NotReady ) {

    67         // Here sound loading has failed.

    68         // Emit signal with error code.

    69         emit playComplete(KErrNotReady);

    70     } 

    71 

    72     CX_DEBUG_EXIT_FUNCTION();

    73 }

    74 

    75 

    76 void CxeSoundPlayerSymbian::MapcInitComplete(TInt aStatus, const TTimeIntervalMicroSeconds &/*aDuration*/)

    77 {

    78     CX_DEBUG_IN_FUNCTION();

    79     CX_DEBUG(("MapcInitComplete aStatus: %d", aStatus));

    80 

    81     if (aStatus) {

    82         setState(NotReady);

    83     } else {

    84         setState(Ready);

    85     }

    86 }

    87 

    88 void CxeSoundPlayerSymbian::MapcPlayComplete(TInt aStatus)

    89 {

    90     CX_DEBUG_IN_FUNCTION();

    91     CX_DEBUG(("MapcPlayComplete aStatus: %d", aStatus));

    92 

    93     if (aStatus != KErrNone && aStatus != KErrInUse) {

    94         // An error occurred. Close and reopen sound player to be sure.

    95         mAudioPlayer->Close();

    96         setState(NotReady);

    97         doOpen();

    98     } else {

    99         setState(Ready);

   100     }

   101 

   102     emit playComplete(aStatus);

   103 }

   104 

   105 void CxeSoundPlayerSymbian::doOpen()

   106 {

   107     CX_DEBUG(("Calling OpenFileL for sound %d", mSoundId));

   108     TInt error = KErrNone;

   109     const TDesC* filename = 0;

   110     switch (mSoundId) {

   111     case StillCapture:

   112         filename = &KCxeCaptureSound;

   113         break;

   114     case VideoCaptureStart:

   115         filename = &KCxeVideoStartSound;

   116         break;

   117     case VideoCaptureStop:

   118         filename = &KCxeVideoStopSound;

   119         break;

   120     case  AutoFocus:

   121         filename = &KCxeAutoFocusSound;

   122         break;

   123     default:

   124         // sound is not known

   125         mSoundId = Unknown;

   126         break;

   127     }

   128 

   129     if (filename) {

   130         if (mAudioPlayer) {

   131             delete mAudioPlayer;

   132             mAudioPlayer = 0;

   133         }

   134         TRAP( error, mAudioPlayer =

   135                       CMdaAudioPlayerUtility::NewFilePlayerL(*filename, *this, KCxeAudioPriority,

   136                                                         TMdaPriorityPreference(KAudioPrefCamera)) );

   137         if (!error) {

   138             setState(Opening);

   139         } else {

   140             setState(NotReady);

   141         }

   142     } else {

   143         setState(NotReady);

   144     }

   145 }

   146 

   147 

   148 void CxeSoundPlayerSymbian::handleStateChanged(int /*newStateId*/, CxeError::Id /*error*/)

   149 {

   150     // No implementation needed, because state is not visible outside of this class

   151 }

   152 

   153 CxeSoundPlayerSymbian::State CxeSoundPlayerSymbian::state() const

   154 {

   155     return static_cast<State>(stateId());

   156 }

   157 

   158 void CxeSoundPlayerSymbian::initializeStates()

   159 {

   160     // addState(id, name, allowed next states)

   161     addState(new CxeState(NotReady, "NotReady", Opening));

   162     addState(new CxeState(Opening, "Opening", NotReady | Ready));

   163     addState(new CxeState(Ready, "Ready", Playing | Opening | NotReady));

   164     addState(new CxeState(Playing, "Playing", Ready | Opening | NotReady));

   165 

   166     setInitialState(NotReady);

   167 }