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: Base classes for Usb notifier wrapper |
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15 * |
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16 */ |
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17 |
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18 #ifndef C_CUSBNOTENOTIFIER_H |
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19 #define C_CUSBNOTENOTIFIER_H |
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20 |
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21 #include <e32base.h> |
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22 #include "cusbnotifier.h" |
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23 |
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24 class CUsbNotifManager; |
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25 class RNotifier; |
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26 |
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27 /** |
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28 * Base class of wrapper for showing RNotifier note. |
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29 * Class implements showing note notifier by RNotifier API in asynchronized way |
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30 * which doesn't block the caller. When user gives some feedback on the note, |
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31 * the event will be forwarded to CUsbNotifManager and it does some handling. |
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32 */ |
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33 NONSHARABLE_CLASS( CUsbNoteNotifier) : public CUsbNotifier |
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34 { |
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35 /** |
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36 * Active object of asynchronous showing notifier |
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37 */ |
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38 class CNotifierActive : public CActive |
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39 { |
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40 public: |
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41 /** |
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42 * Default constructor |
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43 * @param aNotifier RNotifier API |
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44 * @param aUsbNoteNotifier the note notifier container |
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45 */ |
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46 CNotifierActive(RNotifier& aNotifier, CUsbNoteNotifier& aUsbNoteNotifier); |
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47 |
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48 /** |
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49 * Destructor |
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50 */ |
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51 virtual ~CNotifierActive(); |
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52 |
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53 /** |
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54 * Start to show the notifier |
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55 */ |
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56 void StartL(); |
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57 |
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58 protected: |
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59 // From base class CActive |
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60 /** |
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61 * Caled when outstanding request completed |
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62 */ |
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63 void RunL(); |
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64 |
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65 /** |
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66 * Called when outstanding request cancelled |
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67 */ |
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68 void DoCancel(); |
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69 |
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70 /** |
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71 * Called when RunL leaves |
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72 * @param aError errorcode |
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73 * @return errorcode |
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74 */ |
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75 TInt RunError(TInt aError); |
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76 |
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77 private: |
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78 // data |
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79 |
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80 /** |
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81 * The note notifier container |
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82 * Not Own |
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83 */ |
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84 CUsbNoteNotifier& iUsbNoteNotifier; |
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85 |
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86 /** |
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87 * RNotifier API |
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88 * Not Own |
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89 */ |
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90 RNotifier& iNotifier; |
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91 |
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92 /** |
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93 * Response from notifier |
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94 */ |
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95 TPckg<TInt> iRes; |
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96 |
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97 /** |
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98 * Notifier id pckg buffer |
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99 */ |
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100 TPckgBuf<TInt> iNotifIdPckg; |
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101 }; |
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102 public: |
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103 |
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104 /** |
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105 * Destructor |
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106 */ |
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107 virtual ~CUsbNoteNotifier(); |
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108 |
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109 //From base class CUsbNotifier |
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110 /** |
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111 * Start to show notifier |
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112 */ |
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113 virtual void ShowL(); |
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114 |
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115 /** |
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116 * Stop showing notifier |
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117 */ |
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118 virtual void Close(); |
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119 |
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120 protected: |
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121 |
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122 /** |
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123 * Default constructor |
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124 * @param aNotifier RNotifier API |
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125 * @param aNotifManager Manager |
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126 * @param acat Category |
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127 * @param aNotidId id |
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128 */ |
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129 CUsbNoteNotifier(RNotifier& aNotifier, CUsbNotifManager& aNotifManager, |
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130 TUid aCat, TUint aNotifId); |
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131 |
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132 /** |
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133 * 2nd phase constructor. |
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134 */ |
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135 void ConstructL(); |
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136 |
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137 private: |
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138 // data |
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139 |
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140 /** |
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141 * Active object of handling RNotifier instance |
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142 * Own |
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143 */ |
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144 CNotifierActive* iNotifierActive; |
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145 |
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146 /** |
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147 * RNotifier API |
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148 * Not Own |
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149 */ |
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150 RNotifier& iNotifier; |
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151 }; |
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152 |
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153 #endif // C_CUSBNOTENOTIFIER_H |
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