1 /* |
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2 * Copyright (c) 2006 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 the License "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: Class which implements handling Hardware Key events. |
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15 * This class implements methods of MRemConCoreApiTargetObserver |
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16 * |
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17 */ |
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18 |
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19 |
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20 #ifndef BAVPHWKEYEVENTS_H |
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21 #define BAVPHWKEYEVENTS_H |
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22 |
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23 // INCLUDES |
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24 #include <RemConCoreApiTargetObserver.h> |
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25 |
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26 // FORWARD DECLARATIONS |
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27 class CRemConInterfaceSelector; |
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28 class CRemConCoreApiTarget; |
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29 class MRemConCoreApiTargetObserver; |
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30 |
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31 // CONSTANTS |
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32 |
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33 // CLASS DECLARATION |
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34 /** |
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35 * MBavpHwKeyEventsObserver class for hardware key events |
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36 * This class implements methods of MRemConCoreApiTargetObserver |
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37 * @lib npBrowserVideoPlugin.lib |
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38 * @since 3.2 |
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39 */ |
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40 class MBavpHwKeyEventsObserver |
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41 { |
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42 public: |
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43 /** |
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44 * Called when volume level should be changed. |
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45 * @since 3.2 |
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46 * @param aVolumeChange: +1 change volume up |
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47 * -1 change volume down |
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48 * @return void |
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49 */ |
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50 virtual void BavpHwKeyVolumeChange( TInt aVolumeChange ) = 0; |
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51 |
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52 /** |
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53 * Called when a media hardware key (play, pause...) was presed. |
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54 * @since 3.2 |
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55 * @param aCommand: Command ID representing Play, Pause, ... |
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56 * @return void |
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57 */ |
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58 // Incr15 SCO item that was cancelled. |
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59 // virtual void BavpHwKeyCommand( TBavpCommandIds aCommand ) = 0; |
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60 }; |
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61 |
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62 /** |
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63 * CBavpHwKeyEvents class to handle Side Volume Key events |
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64 * @lib npBrowserVideoPlugin.lib |
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65 * @since 3.2 |
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66 */ |
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67 class CBavpHwKeyEvents : public CBase, |
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68 public MRemConCoreApiTargetObserver |
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69 { |
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70 public: // Constructors and destructor |
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71 |
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72 /** |
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73 * Symbian constructor |
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74 * @param aObserver observer to implement callback functions |
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75 */ |
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76 static CBavpHwKeyEvents* NewL( MBavpHwKeyEventsObserver& aObserver ); |
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77 |
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78 /** |
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79 * Destructor. |
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80 */ |
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81 ~CBavpHwKeyEvents(); |
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82 |
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83 private: // Constructors and destructor |
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84 |
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85 /** |
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86 * Default constructor. |
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87 * @since 3.2 |
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88 */ |
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89 CBavpHwKeyEvents( MBavpHwKeyEventsObserver& aObserver ); |
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90 |
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91 /** |
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92 * Constructor. |
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93 * @since 3.2 |
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94 */ |
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95 void ConstructL(); |
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96 |
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97 protected: // From MRemConCoreApiTargetObserver |
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98 |
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99 /* Handles hardware key events |
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100 * @since 3.2 |
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101 */ |
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102 void MrccatoCommand( TRemConCoreApiOperationId aOperationId, |
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103 TRemConCoreApiButtonAction aButtonAct ); |
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104 |
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105 private: |
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106 |
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107 /** |
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108 * Change volume depending on the level of increase or decrease |
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109 * @since 3.2 |
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110 */ |
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111 void DoChangeVolume( ); |
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112 |
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113 /** |
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114 * VolumeTimerCallback is the callback function called from change volume timer. |
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115 * @since 3.2 |
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116 */ |
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117 static TInt VolumeTimerCallback( TAny* aThis ); |
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118 |
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119 private: // data |
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120 |
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121 MBavpHwKeyEventsObserver& iObserver; |
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122 |
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123 CRemConInterfaceSelector* iInterfaceSelector; |
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124 |
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125 CRemConCoreApiTarget* iCoreTarget; |
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126 |
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127 CPeriodic* iVolumeTimer; |
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128 |
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129 // Indicates size of volume level change |
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130 TInt iChange; |
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131 }; |
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132 |
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133 #endif // BAVPHWKEYEVENTS_H |
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134 |
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135 // End of File |
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