camerauis/cameraxui/cxengine/src/cxesoundplayersymbian.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 06 Jul 2010 14:04:02 +0300
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permissions -rw-r--r--
Revision: 201025 Kit: 2010127
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/*
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* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#include <cxesoundplayersymbian.h>
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#include <AudioPreference.h>
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#include <ProfileEngineSDKCRKeys.h>
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#include "cxutils.h"
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#include "cxecameradevicecontrolsymbian.h"
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#include "cxestate.h"
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#include "cxesettings.h"
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const TUint KCxeAudioPriority = KAudioPriorityCameraTone;
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_LIT(KCxeCaptureSound,    "z:\\system\\sounds\\digital\\capture.wav");
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_LIT(KCxeVideoStartSound, "z:\\system\\sounds\\digital\\videoStart.wav");
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_LIT(KCxeVideoStopSound,  "z:\\system\\sounds\\digital\\videoStop.wav");
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_LIT(KCxeAutoFocusSound,  "z:\\system\\sounds\\digital\\autoFocus.wav");
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CxeSoundPlayerSymbian::CxeSoundPlayerSymbian(CaptureSound soundId,
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    CxeSettings &settings) :
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    CxeStateMachine("CxeSoundPlayerSymbian"),
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    mAudioPlayer(NULL),
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    mSoundId(soundId),
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    mUseSound(true),
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    mCaptureSoundForced(false),
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    mSettings(settings)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    checkCaptureSoundSettings();
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    // connect to setting changed signal in order to monitor
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    // profile warning tone changes
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    connect(&mSettings,
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            SIGNAL(settingValueChanged(long int, unsigned long int, QVariant)),
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            this, SLOT(enableSound(long int, unsigned long int, QVariant)));
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    qRegisterMetaType<CxeSoundPlayerSymbian::State>();
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    initializeStates();
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    doOpen();
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    CX_DEBUG_EXIT_FUNCTION();
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}
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CxeSoundPlayerSymbian::~CxeSoundPlayerSymbian()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    delete mAudioPlayer;
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*!
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 * Plays the current sound file if soundplayer is in correct state. Once
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 * playing is finished or there is an error playComplete signal is emitted.
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 * \sa playComplete()
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 */
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void CxeSoundPlayerSymbian::play()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    CX_DEBUG(("CxeSoundPlayerSymbian::play mSoundId: %d, state: %d", mSoundId, state()));
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    // Only play the capture sound if CMdaAudioPlayerUtility is initialised
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    if (state() == Ready) {
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        if (mUseSound) {
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            //! @todo: Define & implement what to do, when sound is already playing.
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            // Important for sequence mode.
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            setState(Playing);
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            mAudioPlayer->Play();
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        } else {
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            CX_DEBUG(("CxeSoundPlayerSymbian::play capture sounds turned off"));
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            // sounds are off and we don't play the sound,
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            // act as the sound has been played
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            emit playComplete(KErrNone);
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        }
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    } else if( state() == NotReady ) {
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        // Here sound loading has failed.
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        // Emit signal with error code.
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        emit playComplete(KErrNotReady);
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    }
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    CX_DEBUG_EXIT_FUNCTION();
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}
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void CxeSoundPlayerSymbian::MapcInitComplete(TInt aStatus, const TTimeIntervalMicroSeconds &/*aDuration*/)
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{
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    CX_DEBUG_IN_FUNCTION();
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    CX_DEBUG(("MapcInitComplete aStatus: %d", aStatus));
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    if (aStatus) {
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        setState(NotReady);
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    } else {
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        setState(Ready);
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   114
    }
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diff changeset
   115
}
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parents:
diff changeset
   116
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   117
void CxeSoundPlayerSymbian::MapcPlayComplete(TInt aStatus)
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   118
{
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   119
    CX_DEBUG_IN_FUNCTION();
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   120
    CX_DEBUG(("MapcPlayComplete aStatus: %d", aStatus));
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   121
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   122
    if (aStatus != KErrNone && aStatus != KErrInUse) {
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   123
        // An error occurred. Close and reopen sound player to be sure.
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   124
        mAudioPlayer->Close();
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   125
        setState(NotReady);
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   126
        doOpen();
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   127
    } else {
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   128
        setState(Ready);
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   129
    }
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   130
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   131
    emit playComplete(aStatus);
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   132
}
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   133
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   134
void CxeSoundPlayerSymbian::doOpen()
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   135
{
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   136
    CX_DEBUG(("Calling OpenFileL for sound %d", mSoundId));
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   137
    TInt error = KErrNone;
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   138
    const TDesC* filename = 0;
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   139
    switch (mSoundId) {
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   140
    case StillCapture:
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   141
        filename = &KCxeCaptureSound;
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   142
        break;
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   143
    case VideoCaptureStart:
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   144
        filename = &KCxeVideoStartSound;
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parents:
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   145
        break;
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parents:
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   146
    case VideoCaptureStop:
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   147
        filename = &KCxeVideoStopSound;
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parents:
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   148
        break;
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parents:
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   149
    case  AutoFocus:
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   150
        filename = &KCxeAutoFocusSound;
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   151
        break;
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   152
    default:
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   153
        // sound is not known
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   154
        mSoundId = Unknown;
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   155
        break;
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parents:
diff changeset
   156
    }
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parents:
diff changeset
   157
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   158
    if (filename) {
d9aefe59d544 Revision: 201011
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diff changeset
   159
        if (mAudioPlayer) {
d9aefe59d544 Revision: 201011
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diff changeset
   160
            delete mAudioPlayer;
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parents:
diff changeset
   161
            mAudioPlayer = 0;
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diff changeset
   162
        }
37
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diff changeset
   163
        TRAP(error, mAudioPlayer =
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diff changeset
   164
             CMdaAudioPlayerUtility::NewFilePlayerL(*filename,
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diff changeset
   165
                                                    *this, KCxeAudioPriority,
64817133cd1d Revision: 201025
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diff changeset
   166
                                                    TMdaPriorityPreference(KAudioPrefCamera)));
19
d9aefe59d544 Revision: 201011
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diff changeset
   167
        if (!error) {
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   168
            setState(Opening);
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diff changeset
   169
        } else {
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   170
            setState(NotReady);
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   171
        }
d9aefe59d544 Revision: 201011
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diff changeset
   172
    } else {
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   173
        setState(NotReady);
d9aefe59d544 Revision: 201011
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diff changeset
   174
    }
d9aefe59d544 Revision: 201011
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diff changeset
   175
}
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   176
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parents:
diff changeset
   177
37
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diff changeset
   178
void CxeSoundPlayerSymbian::handleStateChanged(int newStateId, CxeError::Id error)
19
d9aefe59d544 Revision: 201011
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   179
{
37
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   180
    Q_UNUSED(newStateId);
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diff changeset
   181
    Q_UNUSED(error);
19
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   182
    // No implementation needed, because state is not visible outside of this class
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   183
}
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   184
37
64817133cd1d Revision: 201025
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diff changeset
   185
/*!
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diff changeset
   186
 * Returns the current sound player state.
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diff changeset
   187
 * \return Current state
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diff changeset
   188
 */
19
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   189
CxeSoundPlayerSymbian::State CxeSoundPlayerSymbian::state() const
d9aefe59d544 Revision: 201011
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diff changeset
   190
{
d9aefe59d544 Revision: 201011
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diff changeset
   191
    return static_cast<State>(stateId());
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   192
}
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
37
64817133cd1d Revision: 201025
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parents: 19
diff changeset
   194
/*!
64817133cd1d Revision: 201025
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diff changeset
   195
 * Initialize CxeStateMachine.
64817133cd1d Revision: 201025
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parents: 19
diff changeset
   196
 */
19
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
void CxeSoundPlayerSymbian::initializeStates()
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
{
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   199
    // addState(id, name, allowed next states)
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   200
    addState(new CxeState(NotReady, "NotReady", Opening));
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
    addState(new CxeState(Opening, "Opening", NotReady | Ready));
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
    addState(new CxeState(Ready, "Ready", Playing | Opening | NotReady));
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
    addState(new CxeState(Playing, "Playing", Ready | Opening | NotReady));
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   204
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
    setInitialState(NotReady);
d9aefe59d544 Revision: 201011
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parents:
diff changeset
   206
}
37
64817133cd1d Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 19
diff changeset
   207
64817133cd1d Revision: 201025
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parents: 19
diff changeset
   208
/*!
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diff changeset
   209
 * Enables or disables the capture sound. If capture sound is forced to
64817133cd1d Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 19
diff changeset
   210
 * be always on, then the capture sound cannot be disabled.
64817133cd1d Revision: 201025
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parents: 19
diff changeset
   211
 *
64817133cd1d Revision: 201025
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parents: 19
diff changeset
   212
 * \param uid UID of the changed setting
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parents: 19
diff changeset
   213
 * \param key Key of the changed setting
64817133cd1d Revision: 201025
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parents: 19
diff changeset
   214
 * \param value New setting value
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parents: 19
diff changeset
   215
 */
64817133cd1d Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 19
diff changeset
   216
void CxeSoundPlayerSymbian::enableSound(long int uid, unsigned long int key, QVariant value)
64817133cd1d Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 19
diff changeset
   217
{
64817133cd1d Revision: 201025
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parents: 19
diff changeset
   218
64817133cd1d Revision: 201025
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parents: 19
diff changeset
   219
    // selftimer is only interested in warning tones
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 19
diff changeset
   220
    if (uid == KCRUidProfileEngine.iUid && key == KProEngActiveWarningTones) {
64817133cd1d Revision: 201025
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 19
diff changeset
   221
        CX_DEBUG_IN_FUNCTION();
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parents: 19
diff changeset
   222
        // possible values are:
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parents: 19
diff changeset
   223
        // 0 -> warning tones off
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parents: 19
diff changeset
   224
        // 1 -> warning tones on
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parents: 19
diff changeset
   225
        bool warningTonesEnabled = (value.toInt() == 1);
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parents: 19
diff changeset
   226
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diff changeset
   227
        // update sound
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diff changeset
   228
        mUseSound = mCaptureSoundForced || warningTonesEnabled;
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parents: 19
diff changeset
   229
    }
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    CX_DEBUG(("CxeSoundPlayerSymbian::enableSound <> Use sound [%d]",
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               mUseSound));
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}
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/*!
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 * Checks the initial capture sound settings based on profile warning tones
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 * and whether the capture sound is forced to be always on. Connects settings
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 * signal for capture sounds changes to enableCaptureSound slot.
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 *
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 * \sa enableCaptureSound()
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 */
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void CxeSoundPlayerSymbian::checkCaptureSoundSettings()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    QVariant value(0);
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    // get current profile setting for using camerasound
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    // camera sound follows warning tone setting
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    unsigned long int key = KProEngActiveWarningTones;
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    long int uid = KCRUidProfileEngine.iUid;
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    mSettings.get(uid, key, Cxe::Repository, value);
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    // possible values are:
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    // 0 -> warning tones off
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    // 1 -> warning tones on
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    bool warningTonesEnabled = (value.toInt() == 1);
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    CX_DEBUG(("Warning tones enabled [%d]", value.toInt()));
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    // check whether capture sound is forced or not
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    int forced = 0;
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    mSettings.get(CxeSettingIds::CAPTURE_SOUND_ALWAYS_ON, forced);
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    // 0 -> capture sound not forced
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    // 1 -> capture sound forced on
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    mCaptureSoundForced = (forced == 1);
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    CX_DEBUG(("Capture sound forced [%d]", forced));
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    // use sound if forced on or warningtones are enabled
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    mUseSound = mCaptureSoundForced || warningTonesEnabled;
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    CX_DEBUG(("Use sound [%d]", mUseSound));
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    CX_DEBUG_EXIT_FUNCTION();
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}
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// end of file
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