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1 /* |
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2 * Copyright (c) 2005 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: CLF changed item Observer. |
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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 __CFLDCHANGEDITEMOBSERVER_H__ |
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21 #define __CFLDCHANGEDITEMOBSERVER_H__ |
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22 |
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23 // INTERNAL INCLUDES |
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24 |
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25 // EXTERNAL INCLUDES |
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26 #include <e32base.h> |
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27 #include <MCLFChangedItemObserver.h> |
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28 |
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29 // FORWARD DECLARATIONS |
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30 class CFLDFileListModel; |
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31 class CFLDWaitNote; |
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32 class CFLDController; |
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33 // CLASS DECLARATION |
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34 |
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35 /** |
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36 * CLF changed item Observer. |
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37 * CFLDChangedItemObserver receives operation events of Content |
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38 * Listing Framework. Operation event is generated when model |
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39 * has been changed ( for example file has been renamed ) |
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40 */ |
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41 NONSHARABLE_CLASS( CFLDChangedItemObserver ) |
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42 : public CBase, |
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43 public MCLFChangedItemObserver |
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44 { |
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45 public: // Constructors and destructor |
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46 |
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47 /** |
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48 * Creates and returns a new instance of this class. |
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49 * @return Pointer to the CFLDChangedItemObserver object |
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50 */ |
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51 static CFLDChangedItemObserver* NewL(); |
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52 |
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53 /** |
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54 * Creates and returns a new instance of this class. |
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55 * @return Pointer to the CFLDChangedItemObserver object |
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56 */ |
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57 static CFLDChangedItemObserver* NewL(CFLDWaitNote* aWaitNote); |
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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 ~CFLDChangedItemObserver(); |
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63 |
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64 private: // Constructors |
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65 /** |
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66 * C++ default constructor. |
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67 */ |
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68 CFLDChangedItemObserver(); |
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69 |
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70 /** |
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71 * C++ constructor. |
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72 */ |
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73 CFLDChangedItemObserver(CFLDWaitNote* aWaitNote); |
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74 |
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75 /** |
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76 * Second phase constructor |
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77 */ |
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78 void ConstructL(CFLDWaitNote* aWaitNote ); |
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79 |
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80 protected: // Methods derived from MCLFChangedItemObserver |
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81 |
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82 void HandleItemChangeL( const TArray<TCLFItemId>& aItemIDArray ); |
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83 |
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84 void HandleError( TInt aError ); |
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85 |
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86 public: // New functions |
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87 /* |
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88 * Sets callback instance of filelist model |
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89 * @param aModel Instance of filelist model |
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90 */ |
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91 void SetFileListModel( CFLDFileListModel* aModel ); |
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92 |
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93 private: // New methods |
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94 |
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95 /** |
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96 * This callback method is called when the timer expires. Calls |
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97 * CFLDFileListModel::RefreshEntryListL(). |
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98 * @param aPtr pointer to CFLDChangedItemObserver |
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99 * @return Returns always zero |
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100 */ |
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101 static TInt HandleModelRefreshL( TAny* aPtr ); |
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102 |
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103 private: // Data |
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104 |
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105 /// Ref: FileList Model |
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106 CFLDFileListModel* iModel; |
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107 |
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108 /// Ref: Wait note dialog for indicating refreshing process of the List Model |
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109 CFLDWaitNote* iWaitNote; |
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110 |
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111 /// Own: Pointer to timer |
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112 CPeriodic* iTimer; |
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113 |
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114 /// The delay in microseconds until timer expires |
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115 TTimeIntervalMicroSeconds32 iDelay; |
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116 |
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117 }; |
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118 |
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119 #endif // __CFLDCHANGEDITEMOBSERVER_H__ |
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120 |
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121 // End of File |