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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: |
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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 __MCSRUNNINGAPPSWGMONITOR_H__ |
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21 #define __MCSRUNNINGAPPSWGMONITOR_H__ |
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22 |
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23 #include <w32std.h> |
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24 #include <WidgetRegistryConstants.h> |
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25 |
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26 #include "menuengoperation.h" |
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27 |
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28 |
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29 //Forward declatations |
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30 class CMenuEng; |
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31 class MMcsRunningAppsHandler; |
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32 class CApaWindowGroupName; |
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33 |
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34 /* |
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35 * Windows Group change monitor. |
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36 * It cooperates with CMcsRunningAppsHandler. If any application was |
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37 * launched or closed it passes an array with currently running applications |
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38 * UIDs to CMcsRunningAppsHandler |
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39 */ |
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40 NONSHARABLE_CLASS( CMcsRunningAppsWgMonitor ): public CActive, MMenuEngOperation |
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41 { |
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42 public: |
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43 /** |
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44 * Factory method. |
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45 */ |
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46 static CMcsRunningAppsWgMonitor* NewL( |
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47 CMenuEng& aEng, MMcsRunningAppsHandler* aRunningAppsHandler, |
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48 TInt aPriority = EPriorityStandard ); |
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49 |
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50 /** |
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51 * Destructor. |
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52 */ |
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53 ~CMcsRunningAppsWgMonitor(); |
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54 |
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55 |
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56 private: |
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57 /** |
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58 * Constructor. |
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59 */ |
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60 CMcsRunningAppsWgMonitor( |
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61 CMenuEng& aEng, MMcsRunningAppsHandler* aRunningAppsHandler, |
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62 TInt aPriority ); |
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63 |
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64 /** |
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65 * 2nd phase constructor |
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66 */ |
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67 void ConstructL(); |
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68 |
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69 private: // from MMenuEngOperation |
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70 |
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71 /** |
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72 * Execute engine operation: |
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73 * Do the application scan and update menu accordingly. |
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74 */ |
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75 void RunMenuEngOperationL(); |
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76 |
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77 /** |
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78 * Error handling: ignore error. |
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79 * @param aErr Error code. |
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80 */ |
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81 void CompletedMenuEngOperation( TInt aErr ); |
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82 |
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83 private: |
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84 /** |
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85 * It is called if an event is received from the windowserver. |
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86 */ |
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87 void RunL(); |
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88 |
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89 /** |
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90 * Error handling: ignore error. |
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91 * @param aErr Error code. |
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92 */ |
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93 TInt RunError( TInt aError ); |
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94 |
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95 /** |
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96 * Provides Active object safe cancellation |
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97 */ |
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98 void DoCancel(); |
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99 |
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100 /** |
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101 * It activates the object, requests an event from the windowserver. |
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102 */ |
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103 void Start(); |
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104 |
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105 /* |
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106 * Fills iRunningApps array with UIDs of currently running applications |
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107 * and passes this array to CMcsRunningAppsHandler |
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108 */ |
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109 void UpdateRunningApplicationsL(); |
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110 |
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111 /** |
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112 * Updates the list of the running widgets. |
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113 */ |
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114 void UpdateWidgetTaskListL( ); |
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115 |
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116 private://data |
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117 /* |
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118 * engine. not own |
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119 */ |
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120 CMenuEng& iEng ; ///< Engine. |
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121 |
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122 /** |
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123 * The events can be received via this session. |
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124 */ |
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125 RWsSession iWsSession; |
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126 |
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127 /** |
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128 * Seesion to widget registry. own |
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129 */ |
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130 RWidgetRegistryClientSession iWidgetSession; |
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131 |
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132 /* |
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133 * own |
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134 */ |
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135 RArray<TUid> iRunningApps; |
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136 |
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137 /* |
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138 * not own |
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139 */ |
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140 MMcsRunningAppsHandler* iRunningAppsHandler; |
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141 |
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142 /* |
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143 * own |
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144 */ |
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145 RWindowGroup iWg; |
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146 |
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147 /* |
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148 * own |
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149 */ |
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150 CApaWindowGroupName* iWgName; |
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151 |
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152 /* |
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153 * |
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154 */ |
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155 TBool iOperationInProgress; |
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156 }; |
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157 |
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158 |
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159 |
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160 #endif // __MCSRUNNINGAPPSWGMONITOR_H__ |