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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: mp engine factory. |
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15 * |
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16 */ |
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17 |
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18 #include "mpengine.h" |
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19 #include "mpenginefactory.h" |
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20 #include "mptrace.h" |
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21 |
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22 /*! |
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23 \class MpEngineFactory |
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24 \brief Music Player engine factory. |
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25 |
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26 MP Engine factory is responsible to create and mantain ownership of MP engines. |
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27 */ |
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28 |
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29 /*! |
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30 Constructs music player engine factory. |
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31 */ |
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32 MpEngineFactory::MpEngineFactory() |
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33 : mSharedEngine( 0 ) |
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34 { |
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35 TX_ENTRY_ARGS("Stub") |
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36 } |
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37 |
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38 /*! |
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39 Destructs music player engine factory. |
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40 */ |
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41 MpEngineFactory::~MpEngineFactory() |
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42 { |
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43 } |
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44 |
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45 /*! |
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46 Returns the singleton instance of music player engine factory. |
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47 */ |
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48 MpEngineFactory * MpEngineFactory::instance() |
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49 { |
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50 static MpEngineFactory instance; |
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51 return &instance; |
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52 } |
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53 |
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54 /*! |
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55 Returns an instance to an engine with \a hostUid, and \a mode, if the shared engine is |
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56 already created parameters are ignored. |
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57 */ |
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58 MpEngine *MpEngineFactory::createSharedEngine( TUid hostUid , MpEngine::EngineMode mode ) |
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59 { |
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60 Q_UNUSED( hostUid ); |
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61 Q_UNUSED( mode ); |
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62 if ( !instance()->mSharedEngine ) { |
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63 instance()->mSharedEngine = new MpEngine(); |
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64 } |
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65 return instance()->mSharedEngine; |
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66 } |
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67 |
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68 /*! |
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69 Returns an instance to the current shared engine previously created with createEngine(). |
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70 */ |
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71 MpEngine *MpEngineFactory::sharedEngine() |
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72 { |
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73 return instance()->mSharedEngine; |
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74 } |
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75 |
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76 /*! |
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77 Closes all engines created on this process. |
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78 */ |
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79 void MpEngineFactory::close() |
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80 { |
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81 if ( instance()->mSharedEngine ) { |
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82 delete instance()->mSharedEngine; |
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83 instance()->mSharedEngine = 0; |
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84 |
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85 } |
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86 } |