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1 /* |
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2 * Copyright (c) 2006 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: This header file describes the class reposnible for handling |
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15 * : removal of applications |
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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 C_LBTAPPCHANGEHANDLER_H |
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21 #define C_LBTAPPCHANGEHANDLER_H |
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22 |
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23 #include <e32base.h> |
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24 #include <apgnotif.h> |
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25 #include "lbttriggerchangeobserver.h" |
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26 |
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27 // FORWARD DECLARATION |
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28 class TApaAppInfo; |
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29 class RApaLsSession; |
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30 class CApaAppListNotifier; |
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31 class CLbtContainer; |
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32 class CLbtContainerTriggerEntry; |
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33 class CLbtCleanupHandler; |
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34 class MLbtServerLogicTriggerChangeObserver; |
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35 struct TLbtAppInfo; |
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36 |
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37 /** |
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38 * |
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39 */ |
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40 class CLbtAppChangeHandler : public CActive, |
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41 public MApaAppListServObserver, |
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42 public MLbtContainerChangeEventObserver |
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43 |
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44 { |
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45 public: |
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46 /** |
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47 * Constructs a new instance of App Change handler. |
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48 * |
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49 * @return The new instance of App Change handler object. |
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50 */ |
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51 static CLbtAppChangeHandler* NewL(CLbtContainer& aContainer, CLbtCleanupHandler& iCleanupHandler, |
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52 MLbtServerLogicTriggerChangeObserver& aTriggerChangeObserver); |
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53 |
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54 /** |
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55 * Destructor. |
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56 */ |
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57 ~CLbtAppChangeHandler(); |
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58 |
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59 /** |
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60 * Start listening to application un-installation events |
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61 * |
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62 */ |
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63 void StartListeningL(); |
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64 |
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65 /** |
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66 * Stops listening to application un-installation events |
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67 * |
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68 */ |
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69 void StopListening(); |
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70 |
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71 private: // New functions |
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72 /** |
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73 * C++ constructor |
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74 */ |
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75 CLbtAppChangeHandler(CLbtContainer& aContainer, CLbtCleanupHandler& iCleanupHandler, |
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76 MLbtServerLogicTriggerChangeObserver& aTriggerChangeObserver); |
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77 |
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78 /** |
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79 * Symbian 2nd phase of construction |
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80 */ |
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81 void ConstructL(); |
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82 |
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83 /** |
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84 * Handles removal of an application that resided on the MMC. The function |
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85 * checks if same MMC card is still inserted. If it still inserted it implies |
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86 * that the application has been un-installed and hence takes appropriate action. |
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87 * If the MMC is not present in its slot then it means that the MMC card is |
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88 * removed for the time being and may be inserted again, based on which it takes |
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89 * appropriate action |
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90 * |
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91 * @param aAppInfo information of the application removed |
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92 */ |
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93 void HandleMMCApplicationRemovalL(); |
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94 |
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95 /** |
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96 * Handles un-installation of an application. |
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97 * |
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98 * @param aAppInfo information of the application un-installed |
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99 */ |
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100 void HandleApplicationUninstallationL(); |
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101 |
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102 |
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103 /** |
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104 * Checks if MMC is present in its slot |
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105 * |
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106 * @return ETrue if MMC is present EFlase otherwise |
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107 */ |
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108 TBool IsMemoryCardPresent(); |
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109 |
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110 /** |
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111 * Get Memory card character |
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112 */ |
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113 void MemoryCardChar(); |
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114 |
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115 /** |
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116 * Finds the a particular element in the array. The search is based on the |
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117 * UID in the application info. If the application is not present then the |
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118 * function return KErrNotFound |
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119 * |
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120 * @param aArray the array in which the element needs to be searched |
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121 * @param aElement the element which needs to be searched for |
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122 */ |
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123 TInt FindElementInArray(RArray<TLbtAppInfo>& aArray, TLbtAppInfo& aElement); |
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124 |
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125 /** |
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126 * Handles list notification event when notification is for addition of an |
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127 * application |
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128 */ |
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129 void HandleAppListAdditionEvent(RArray<TLbtAppInfo>& aNewAppList); |
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130 |
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131 /** |
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132 * Handles list notification event when notification is for removal of an |
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133 * application |
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134 */ |
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135 void HandleAppListRemovalEvent(RArray<TLbtAppInfo>& aNewAppList); |
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136 |
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137 |
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138 /** |
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139 * Validates the triggers of the applications present in iAppList |
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140 */ |
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141 void SetValidTriggersOfApplicationsL(); |
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142 |
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143 |
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144 |
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145 public: // from MLbtContainerChangeEventObserver |
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146 void TriggerStoreChanged( RArray<TLbtTriggerId>& aTriggerIds, |
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147 TLbtTriggerEventMask aEventMask, |
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148 TLbtContainerChangedAreaType aAreaType, |
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149 RArray<TUid>& aManagerUids ); |
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150 |
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151 private: // From CActive |
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152 |
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153 void DoCancel(); |
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154 |
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155 void RunL(); |
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156 |
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157 TInt RunError(TInt aError); |
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158 |
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159 |
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160 private: /// from MApaAppListServObserver |
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161 /** |
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162 * Handles notification from app list observer when ever an application is |
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163 * installed or uninstalled |
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164 * |
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165 */ |
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166 void HandleAppListEvent(TInt aEvent); |
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167 |
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168 /** |
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169 * Lists triggers for which apps iAppList in are the |
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170 * startup process |
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171 */ |
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172 void ListTriggersOfStartupProcessL(); |
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173 |
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174 /** |
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175 * Deletes triggers for which apps iAppList in are the |
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176 * startup process |
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177 */ |
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178 void DeleteTriggersOfStartupProcessL(); |
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179 |
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180 private: // data members |
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181 |
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182 |
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183 // Reference to the container |
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184 CLbtContainer& iContainer; |
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185 |
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186 // Reference to cleanup handler |
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187 CLbtCleanupHandler& iCleanupHandler; |
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188 |
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189 // Reference to MLbtServerLogicTriggerChangeObserver |
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190 MLbtServerLogicTriggerChangeObserver& iTriggerChangeObserver; |
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191 |
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192 // Session with the application architecture framework |
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193 RApaLsSession iAppArcSession; |
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194 |
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195 // Pointer to application scanner |
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196 CApaAppListNotifier* iAppListNotifier; |
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197 |
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198 // Array to hold the currently installed applications on the system |
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199 RArray<TLbtAppInfo> iCurrentInstalledApps; |
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200 |
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201 // The async operation in progress. |
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202 TInt iOperation; |
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203 |
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204 // Array of pointers to container trigger entries |
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205 RPointerArray<CLbtContainerTriggerEntry> iTriggerEntries; |
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206 |
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207 // Array to store the list of app removed |
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208 RArray<TLbtAppInfo> iAppList; |
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209 |
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210 // Operation id for calls to container. Needed for any cancellation |
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211 TInt iOpId; |
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212 |
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213 // External Memory card drive character |
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214 TBuf<2> iMMCDriveChar; // drive and colon |
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215 }; |
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216 |
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217 #endif // C_LBTAPPREMOVALHANDLER_H |