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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: |
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15 * Singleton class for handling states and their transitions. |
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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 CPHONESTATEHANDLE_H |
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21 #define CPHONESTATEHANDLE_H |
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22 |
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23 // INCLUDES |
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24 #include <pevirtualengine.h> |
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25 #include "mphonestatemachine.h" |
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26 #include "cphoneresourceresolverbase.h" |
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27 #include "mphoneviewcommandhandle.h" |
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28 #include "cphoneuistatemachinefactorybase.h" |
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29 #include <coemain.h> |
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30 |
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31 // FORWARD DECLARATIONS |
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32 class MPhoneState; |
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33 class CPhoneErrorMessagesHandler; |
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34 |
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35 // CLASS DECLARATION |
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36 |
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37 /** |
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38 * Singleton class for handling states and their transitions |
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39 */ |
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40 class CPhoneStateHandle : public CCoeStatic |
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41 { |
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42 public: |
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43 |
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44 /** |
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45 * First call initializes the singleton object. Subsequent calls panic. |
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46 * Singleton must be initialized only once and then Instance() method |
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47 * must be used to get handle to instance. |
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48 * @return the created instance. |
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49 */ |
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50 static CPhoneStateHandle* CreateL( |
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51 MPhoneViewCommandHandle* aViewCommandHandle, |
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52 const TDesC& aFileName, |
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53 const TUid aFactoryUid ); |
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54 |
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55 /** |
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56 * Returns an instance of this class. |
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57 * @return A pointer to CPhoneStateHandle class |
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58 */ |
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59 IMPORT_C static CPhoneStateHandle* Instance(); |
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60 |
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61 /** |
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62 * Destructor. |
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63 */ |
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64 virtual ~CPhoneStateHandle(); |
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65 |
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66 /** |
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67 * Returns the state machine |
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68 * @return State machine |
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69 */ |
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70 IMPORT_C MPhoneStateMachine* StateMachine(); |
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71 |
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72 /** |
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73 * Returns the view command handle |
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74 * @return view command handle |
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75 */ |
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76 IMPORT_C MPhoneViewCommandHandle* ViewCommandHandle(); |
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77 |
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78 private: |
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79 |
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80 /** |
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81 * Loads handle to GSM or VoIP factory |
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82 * @return pointer to Phone Engine Info |
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83 */ |
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84 void LoadLibraryHandleL( |
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85 const TDesC& aFileName, |
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86 const TUid aFactoryUid ); |
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87 |
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88 /** |
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89 * Default constructor is private because we are using the |
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90 * Singleton design pattern. |
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91 */ |
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92 CPhoneStateHandle( |
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93 MPhoneViewCommandHandle* aViewCommandHandle ); |
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94 |
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95 /** |
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96 * By default EPOC constructor is private. |
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97 */ |
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98 void ConstructL( |
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99 const TDesC& aFileName, |
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100 const TUid aFactoryUid ); |
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101 |
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102 private: |
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103 |
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104 /** |
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105 * View's command handle |
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106 */ |
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107 MPhoneViewCommandHandle* iViewCommandHandle; |
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108 |
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109 /** |
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110 * Pointer to GSM or VoIP specific state machine |
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111 */ |
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112 MPhoneStateMachine* iPhoneStateMachine; |
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113 |
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114 /** |
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115 * Pointer to GSM or VoIP specific resource resolver |
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116 */ |
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117 CPhoneResourceResolverBase* iPhoneResourceResolver; |
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118 |
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119 /** |
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120 * Pointer to GSM or VoIP specific error messages handler |
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121 */ |
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122 CPhoneErrorMessagesHandler* iPhoneErrorMessagesHandler; |
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123 |
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124 /** |
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125 * Pointer to GSM or VoIP specific factory. |
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126 */ |
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127 CPhoneUIStateMachineFactoryBase* iStateMachineFactory; |
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128 |
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129 TLibraryFunction iEntry; |
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130 |
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131 RLibrary iFactoryLibrary; |
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132 |
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133 }; |
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134 |
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135 #endif // CPHONESTATEHANDLE_H |
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136 |
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137 // End of File |