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: Handles messaging between file system and haptics |
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15 * client interface. |
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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 C_HAPTICSMSGHANDLER_H |
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21 #define C_HAPTICSMSGHANDLER_H |
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22 |
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23 #include <e32base.h> |
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24 #include <e32debug.h> |
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25 #include <f32file.h> |
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26 |
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27 #include "hapticsbridgeclient.h" |
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28 |
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29 class CHapticsConnTimer; |
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30 |
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31 /** |
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32 * Interface to notify about connection timeout. |
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33 */ |
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34 class MHapticsConnectionShutdown |
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35 { |
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36 public: |
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37 /** |
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38 * Called to notify about connection timeout. |
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39 */ |
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40 virtual void NotifyShutdown() = 0; |
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41 |
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42 }; |
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43 |
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44 /** |
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45 * Helper class for Bridge functionality for handling RFs (File Session) |
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46 * change notifications for VibeTonz request file. |
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47 * |
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48 * @since S60 5.1 |
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49 */ |
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50 class CHapticsMsgHandler : public CActive, |
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51 public MHapticsConnectionShutdown |
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52 { |
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53 public: |
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54 /** |
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55 * 2-phased constructor. |
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56 */ |
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57 static CHapticsMsgHandler* NewL(); |
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58 |
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59 /** |
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60 * Destructor |
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61 */ |
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62 virtual ~CHapticsMsgHandler(); |
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63 |
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64 /** |
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65 * Method for starting the listening for change notifications |
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66 */ |
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67 void StartNotifier(); |
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68 |
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69 /** |
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70 * From MHapticsConnectionShutdown. |
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71 * Called to notify about connection timeout. |
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72 */ |
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73 void NotifyShutdown(); |
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74 |
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75 protected: // From CActive. |
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76 /** |
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77 * @see CActive |
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78 */ |
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79 void RunL(); |
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80 /** |
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81 * @see CActive |
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82 */ |
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83 TInt RunError(TInt aError); |
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84 /** |
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85 * @see CActive |
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86 */ |
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87 void DoCancel(); |
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88 |
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89 private: |
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90 |
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91 /** |
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92 * Constructor |
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93 */ |
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94 CHapticsMsgHandler(); |
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95 |
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96 /** |
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97 * Two-phase construction ConstructL |
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98 */ |
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99 void ConstructL(); |
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100 |
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101 /** |
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102 * Method for connecting to file system. Also sets the paths and |
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103 * creates directories (if not already exists). |
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104 */ |
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105 void ConnectToFilesystemL(); |
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106 |
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107 /** |
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108 * Helper for clearing the possible left-over request file from |
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109 * previous runs. |
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110 */ |
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111 void ClearRequestFile(); |
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112 |
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113 private: // data |
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114 |
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115 /** |
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116 * File server session through which all file server related |
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117 * services are requested. |
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118 */ |
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119 RFs iFs; |
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120 |
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121 /** |
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122 * Buffer for the request file data |
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123 */ |
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124 HBufC8* iReqBuf; |
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125 |
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126 /** |
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127 * The RHapticsBridgeClient object that is responsible for further |
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128 * handling of received Bridge commands |
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129 */ |
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130 RHapticsBridgeClient iClient; |
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131 |
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132 CHapticsConnTimer* iConnectionTimeout; |
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133 |
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134 }; |
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135 |
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136 #endif // C_HAPTICSMSGHANDLER_H |
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