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1 /* |
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2 * Copyright (c) 2007 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: Calendar state machine |
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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 #ifndef CALENSTATEMACHINE_H |
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20 #define CALENSTATEMACHINE_H |
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21 |
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22 // INCLUDES |
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23 #include <e32base.h> |
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24 #include <e32hashtab.h> |
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25 #include <calencommandhandler.h> |
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26 #include <calennotificationhandler.h> |
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27 #include "calenhashfunctions.inl" // HashFunctions |
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28 |
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29 class CCalenState; |
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30 class CCalenController; |
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31 |
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32 // CLASS DEFINITIONS |
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33 /** |
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34 * |
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35 */ |
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36 class CCalenStateMachine : public CBase, |
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37 public MCalenNotificationHandler |
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38 { |
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39 public: // Enumerations |
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40 enum TCalenStateIndex |
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41 { |
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42 // If you change the array order or add/remove items, |
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43 // update CCalenStateMachine::ConstructL too. |
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44 ECalenIdleState, |
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45 ECalenPopulationState, |
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46 ECalenBackgroundState, |
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47 ECalenViewingState, |
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48 ECalenEditingState, |
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49 ECalenDeletingState, |
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50 ECalenPrintingState, |
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51 ECalenSendingState, |
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52 ECalenSettingsState, |
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53 ECalenHelpState, |
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54 ECalenExitingState, |
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55 ECalenMapState, |
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56 ECalenAttachmentState, |
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57 ECalenAlarmState, |
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58 KCalenLastState // Must be last |
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59 }; |
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60 |
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61 public: // Construction and destruction |
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62 /** |
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63 * Symbian 1st phase constructor |
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64 */ |
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65 static CCalenStateMachine* NewL( CCalenController& aController ); |
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66 |
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67 /** |
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68 * Destructor |
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69 */ |
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70 virtual ~CCalenStateMachine(); |
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71 |
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72 TBool HandleCommandL( const TCalenCommand& aCommand ); |
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73 |
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74 public: // from MCalenNotificationHandler |
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75 |
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76 /** |
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77 * Handles Notifications |
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78 */ |
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79 void HandleNotification(const TCalenNotification aNotification ); |
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80 |
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81 private: // Construction and destruction |
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82 |
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83 /** |
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84 * C++ constructor |
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85 */ |
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86 CCalenStateMachine( CCalenController& aController ); |
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87 |
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88 /** |
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89 * Symbian 2nd phase constructor |
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90 */ |
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91 void ConstructL(); |
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92 |
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93 private: |
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94 |
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95 /** |
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96 * Interface to cancel the previous command |
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97 */ |
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98 void CancelPreviousCmd(); |
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99 |
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100 /** |
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101 * Interface to get the current state |
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102 */ |
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103 TCalenStateIndex GetCurrentState(); |
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104 |
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105 /** |
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106 * Interface to set the current state |
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107 */ |
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108 void SetCurrentState(const TCalenStateIndex& aState); |
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109 |
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110 /** |
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111 * Interface to set the previous state |
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112 */ |
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113 void SetCurrentPreviousState(const TCalenStateIndex& aState); |
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114 |
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115 /** |
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116 * Interface for activating the current state |
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117 */ |
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118 void ActivateCurrentStateL(); |
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119 |
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120 private: |
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121 |
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122 friend class CCalenState; |
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123 CCalenController& iController; |
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124 RPointerArray<CCalenState> iStates; |
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125 TCalenStateIndex iCurrentState; |
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126 RHashSet<TCalenNotification> iOutstandingNotifications; |
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127 }; |
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128 |
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129 #endif // CALENSTATEMACHINE_H |
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130 |
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131 // End of file |