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1 /* |
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2 * Copyright (c) 2005-2010 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: Declares USB UI Queries notifier. |
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15 * |
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16 */ |
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17 |
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18 #ifndef USBUINQUERIESNOTIFIER_H |
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19 #define USBUINQUERIESNOTIFIER_H |
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20 |
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21 // INCLUDES |
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22 |
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23 #include "usbnotifier.h" // Base class |
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24 #include <AknQueryDialog.h> // AVKON component |
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25 |
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26 // CLASS DECLARATION |
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27 |
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28 /** |
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29 * This class is used to show USB query dialogs. |
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30 * |
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31 * @lib |
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32 */ |
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33 NONSHARABLE_CLASS(CUSBUIQueriesNotifier) : public CUSBUINotifierBase |
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34 { |
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35 public: |
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36 // Constructors and destructor |
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37 |
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38 /** |
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39 * Two-phased constructor. |
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40 */ |
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41 static CUSBUIQueriesNotifier* NewL(); |
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42 |
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43 /** |
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44 * Destructor. |
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45 */ |
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46 virtual ~CUSBUIQueriesNotifier(); |
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47 |
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48 |
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49 private: |
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50 // Functions from base class |
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51 |
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52 /** |
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53 * From CUSBUINotifierBase Called when a notifier is first loaded. |
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54 * @param None. |
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55 * @return A structure containing priority and channel info. |
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56 */ |
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57 TNotifierInfo RegisterL(); |
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58 |
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59 /** |
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60 * From CUSBUINotifierBase The notifier has been deactivated |
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61 * so resources can be freed and outstanding messages completed. |
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62 * @param None. |
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63 * @return None. |
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64 */ |
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65 void Cancel(); |
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66 |
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67 /** |
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68 * From CUSBUINotifierBase Gets called when a request completes. |
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69 * @param None. |
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70 * @return None. |
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71 */ |
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72 void RunL(); |
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73 |
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74 /** |
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75 * From CUSBUINotifierBase Used in asynchronous notifier launch to |
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76 * store received parameters into members variables and |
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77 * make needed initializations. |
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78 * @param aBuffer A buffer containing received parameters |
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79 * @param aReplySlot A reply slot. |
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80 * @param aMessage Should be completed when the notifier is deactivated. |
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81 * @return None. |
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82 */ |
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83 void GetParamsL(const TDesC8& aBuffer, TInt aReplySlot, |
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84 const RMessagePtr2& aMessage); |
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85 |
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86 private: |
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87 |
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88 /** |
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89 * C++ default constructor. |
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90 */ |
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91 CUSBUIQueriesNotifier(); |
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92 |
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93 private: |
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94 // New functions |
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95 |
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96 |
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97 /** |
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98 * Show query dialog |
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99 * @param aStringHolder The string for the query. |
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100 * @param aCoverDialogId The dialog ID for the cover UI. |
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101 * @param aIsCancelKey Does the dialog show Cancel key. |
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102 * @return KErrNone - accepted, KErrCancel - Cancel or End call key |
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103 */ |
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104 TInt QueryUserResponseL(const TDesC& aStringHolder, TInt aCoverDialogId, |
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105 TBool aIsCancelKey); |
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106 |
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107 /** |
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108 * Get attributes for the query dialog |
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109 * The query type is idenfied by the member variable iQueryType. |
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110 * The caller should pop and destroy the returned heap descriptor |
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111 * when it is no longer needed. |
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112 * @param aCoverDialogId Returned dialog ID for the cover UI. |
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113 * @param aIsCancelKey Returned info about showing the Cancel key. |
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114 * @return The string holder for the query. |
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115 */ |
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116 HBufC* GetQueryAttributesLC(TInt& aCoverDialogId, TBool& aIsCancelKey); |
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117 |
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118 private: |
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119 // Data |
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120 /** |
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121 * Query |
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122 * Not own, destroys self when lauched. |
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123 */ |
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124 CAknQueryDialog* iUSBQueryDlg; |
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125 TUSBUIQueries iQueryType; // To store the type of the query |
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126 TInt iDriveLetter; // For MMC locked case |
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127 |
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128 }; |
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129 #endif // USBUINQUERIESNOTIFIER_H |