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1 /* |
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2 * Copyright (c) 2008 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: |
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15 * |
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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 CAMDISKCHANGELISTENER_H |
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21 #define CAMDISKCHANGELISTENER_H |
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22 |
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23 // INCLUDES |
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24 #include <f32file.h> |
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25 |
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26 // FORWARD DECLARATIONS |
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27 class MCamDriveChangeNotifierObserver; |
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28 |
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29 // CLASS DECLARATION |
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30 |
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31 /** |
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32 * Mmc Change Notifier. |
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33 * |
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34 * @since 5.0 |
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35 */ |
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36 class MCamDriveChangeNotifierObserver |
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37 { |
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38 public: |
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39 enum TCamDriveChangeType |
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40 { |
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41 EDriveDismount, |
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42 EDriveMount |
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43 }; |
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44 |
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45 public: // New functions |
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46 |
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47 /** |
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48 * This method is used to notify changes. |
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49 */ |
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50 virtual TInt DriveChangeL( TCamDriveChangeType aType ) = 0; |
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51 |
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52 |
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53 protected: |
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54 |
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55 /** |
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56 * Destructor. |
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57 */ |
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58 virtual ~MCamDriveChangeNotifierObserver() {} |
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59 |
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60 }; |
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61 |
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62 /** |
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63 * Mmc Change Notifier. |
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64 * |
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65 * @since 5.0 |
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66 */ |
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67 class CCamDriveChangeNotifier : public CBase |
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68 |
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69 { |
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70 private: |
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71 class CCamDiskChangeListener : public CActive |
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72 { |
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73 public: |
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74 static CCamDiskChangeListener* NewLC( |
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75 RFs& aFs, |
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76 TDriveNumber aDrive, |
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77 MCamDriveChangeNotifierObserver::TCamDriveChangeType aType, |
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78 CCamDriveChangeNotifier& aObserver ); |
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79 ~CCamDiskChangeListener(); |
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80 |
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81 void Start(); |
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82 void Stop(); |
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83 |
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84 protected: |
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85 CCamDiskChangeListener( |
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86 RFs& aFs, |
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87 TDriveNumber aDrive, |
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88 MCamDriveChangeNotifierObserver::TCamDriveChangeType aType, |
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89 CCamDriveChangeNotifier& aObserver ); |
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90 |
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91 private: |
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92 /** |
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93 * From CActive |
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94 */ |
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95 void DoCancel(); |
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96 |
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97 /** |
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98 * From CActive |
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99 */ |
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100 void RunL(); |
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101 |
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102 private: |
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103 RFs& iFs; |
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104 TDriveNumber iDrive; |
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105 MCamDriveChangeNotifierObserver::TCamDriveChangeType iType; |
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106 CCamDriveChangeNotifier& iObserver; |
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107 }; |
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108 |
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109 public: // Constructors and destructor |
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110 |
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111 /** |
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112 * Two-phased constructor. |
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113 */ |
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114 static CCamDriveChangeNotifier* NewL( |
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115 RFs& aFs, |
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116 MCamDriveChangeNotifierObserver& aObserver ); |
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117 |
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118 /** |
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119 * Destructor. |
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120 */ |
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121 ~CCamDriveChangeNotifier(); |
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122 |
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123 public: |
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124 /** |
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125 * Called from listeners |
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126 */ |
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127 TInt NotifyChangeL( |
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128 MCamDriveChangeNotifierObserver::TCamDriveChangeType aType ); |
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129 |
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130 /** |
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131 * Called by the observer when pending dismount can be done. |
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132 */ |
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133 void SendAllowDismount(); |
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134 |
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135 // New functions |
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136 |
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137 void StartMonitoring(); |
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138 void CancelMonitoring(); |
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139 |
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140 private: |
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141 |
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142 /** |
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143 * C++ default constructor. |
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144 */ |
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145 CCamDriveChangeNotifier( |
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146 RFs& aFs, |
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147 MCamDriveChangeNotifierObserver& aObserver ); |
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148 |
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149 private: // Data |
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150 // Ref. |
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151 MCamDriveChangeNotifierObserver& iObserver; |
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152 |
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153 // Ref. File server session |
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154 RFs& iFs; |
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155 |
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156 RPointerArray<CCamDiskChangeListener> iListeners; |
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157 |
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158 }; |
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159 |
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160 #endif // CAMDISKCHANGELISTENER_H |
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161 |
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162 // End of File |