1 | // This file is part of the PACPUS framework distributed under the
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2 | // CECILL-C License, Version 1.0.
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3 | //
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4 | /// @file
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5 | /// @author Elie Al Alam <firstname.surname@utc.fr>
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6 | /// @author Gerald Dherbomez <firstname.surname@utc.fr>
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7 | /// @author Marek Kurdej <firstname.surname@utc.fr>
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8 | /// @date April, 2007
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9 | /// @version $Id: DbtPlyEngineStateChart.h 66 2013-01-09 16:54:11Z kurdejma $
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10 | /// @copyright Copyright (c) UTC/CNRS Heudiasyc 2006 - 2013. All rights reserved.
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11 | /// @brief DbitePlayer state machine.
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12 | ///
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13 | /// Detailed description.
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14 |
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15 | #ifndef DEF_PACPUS_DBTPLYENGINESTATECHART_H
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16 | #define DEF_PACPUS_DBTPLYENGINESTATECHART_H
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17 |
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18 | #include <QString>
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19 |
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20 | #include <Pacpus/DbitePlayer/DbitePlayerConfig.h>
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21 |
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22 | namespace pacpus {
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23 |
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24 | class DbtPlyEngine;
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25 |
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26 | ////////////////////////////////////////////////////////////////////////////////
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27 | class DBITE_PLAYER_API DbtPlyEngineState
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28 | {
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29 | public:
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30 | /// @todo Documentation
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31 | virtual ~DbtPlyEngineState();
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32 |
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33 | /// @todo Documentation
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34 | virtual void play(DbtPlyEngine & engine);
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35 | /// @todo Documentation
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36 | virtual void pause(DbtPlyEngine & engine);
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37 | /// @todo Documentation
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38 | virtual void stop(DbtPlyEngine & engine);
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39 |
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40 | /// @todo Documentation
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41 | virtual void speedUp(DbtPlyEngine & engine);
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42 | /// @todo Documentation
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43 | virtual void speedDown(DbtPlyEngine & engine);
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44 |
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45 | /// @todo Documentation
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46 | virtual bool isPlaying();
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47 |
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48 | /// @todo Documentation
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49 | virtual QString toString() const = 0;
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50 |
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51 | protected:
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52 | /// @todo Documentation
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53 | DbtPlyEngineState();
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54 | };
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55 |
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56 | ////////////////////////////////////////////////////////////////////////////////
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57 | class DBITE_PLAYER_API PlayingState
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58 | : public DbtPlyEngineState
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59 | {
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60 | public:
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61 | /// @todo Documentation
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62 | virtual void pause(DbtPlyEngine & engine);
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63 | /// @todo Documentation
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64 | virtual void stop(DbtPlyEngine & engine);
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65 |
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66 | /// @todo Documentation
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67 | virtual bool isPlaying();
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68 |
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69 | /// @todo Documentation
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70 | virtual QString toString() const;
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71 | /// @todo Documentation
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72 | static DbtPlyEngineState * getInstance();
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73 |
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74 | private:
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75 | PlayingState();
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76 | static PlayingState mInstance;
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77 | };
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78 |
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79 | ////////////////////////////////////////////////////////////////////////////////
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80 | class DBITE_PLAYER_API PausedState
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81 | : public DbtPlyEngineState
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82 | {
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83 | public:
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84 | /// @todo Documentation
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85 | virtual void play(DbtPlyEngine & engine);
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86 | /// @todo Documentation
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87 | virtual void stop(DbtPlyEngine & engine);
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88 |
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89 | /// @todo Documentation
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90 | virtual QString toString() const;
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91 | /// @todo Documentation
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92 | static DbtPlyEngineState * getInstance();
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93 |
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94 | private:
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95 | PausedState();
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96 | static PausedState mInstance;
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97 | };
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98 |
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99 | ////////////////////////////////////////////////////////////////////////////////
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100 | class DBITE_PLAYER_API StoppedState
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101 | : public DbtPlyEngineState
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102 | {
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103 | public:
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104 | /// @todo Documentation
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105 | virtual void play(DbtPlyEngine & engine);
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106 |
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107 | /// @todo Documentation
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108 | virtual QString toString() const;
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109 | /// @todo Documentation
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110 | static DbtPlyEngineState * getInstance();
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111 |
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112 | private:
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113 | StoppedState();
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114 | static StoppedState mInstance;
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115 | };
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116 |
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117 | } // namespace pacpus
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118 |
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119 | #endif // DEF_PACPUS_DBTPLYENGINESTATECHART_H
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