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1 // Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "ASSrvEnvironmentChangeManager.h" |
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17 |
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18 // System includes |
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19 |
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20 // User includes |
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21 #include "ASSrvStaticUtils.h" |
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22 #include "ASSrvServerWideData.h" |
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23 #include "ASSrvSessionCollection.h" |
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24 #include "ASSrvEnvironmentChangeObserver.h" |
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25 |
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26 // Type definitions |
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27 |
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28 // Constants |
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29 |
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30 // Enumerations |
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31 |
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32 // Classes referenced |
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33 |
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34 |
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35 // |
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36 // ----> CASSrvEnvironmentChangeManager (source) |
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37 // |
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38 |
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39 //************************************************************************************* |
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40 CASSrvEnvironmentChangeManager::CASSrvEnvironmentChangeManager(CASSrvServerWideData& aServerWideData) |
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41 : iServerWideData(aServerWideData) |
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42 { |
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43 } |
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44 |
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45 |
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46 //************************************************************************************* |
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47 CASSrvEnvironmentChangeManager::~CASSrvEnvironmentChangeManager() |
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48 { |
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49 iObservers.Close(); |
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50 delete iChangeNotifier; |
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51 } |
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52 |
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53 |
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54 //************************************************************************************* |
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55 void CASSrvEnvironmentChangeManager::ConstructL() |
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56 { |
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57 CachedWorkDays() = TLocale().WorkDays(); |
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58 |
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59 #ifdef _DEBUG |
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60 iEnvChgHandling = ETrue; |
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61 #endif |
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62 |
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63 |
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64 // The priority of the change notifier should also be above that of the CASSrvAlarmTimer |
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65 // When the system time is moved forward, if the UI broadcasts multiple events, like locale change |
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66 // then at the end of handling of the first locale event, the alarm's due time is calculated as the old time |
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67 // and the timer is called with it. In the meantime if the system time is also changed then the timer |
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68 // expires with KErrUnderflow which causes the old alarm to go off. |
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69 iChangeNotifier = CEnvironmentChangeNotifier::NewL(CActive::EPriorityHigh+1, TCallBack(EnvironmentChangeCallBack, this)); |
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70 iChangeNotifier->Start(); |
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71 } |
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72 |
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73 |
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74 //************************************************************************************* |
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75 CASSrvEnvironmentChangeManager* CASSrvEnvironmentChangeManager::NewL(CASSrvServerWideData& aServerWideData) |
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76 { |
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77 CASSrvEnvironmentChangeManager* self = new(ELeave) CASSrvEnvironmentChangeManager(aServerWideData); |
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78 CleanupStack::PushL(self); |
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79 self->ConstructL(); |
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80 CleanupStack::Pop(self); |
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81 return self; |
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82 } |
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83 |
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84 |
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85 // |
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86 // |
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87 // |
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88 |
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89 |
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90 //************************************************************************************* |
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91 /** |
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92 * Request environment change notifications |
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93 */ |
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94 void CASSrvEnvironmentChangeManager::RequestEnvironmentChangesL(MASSrvEnvironmentChangeObserver& aObserver) |
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95 { |
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96 User::LeaveIfError(iObservers.InsertInAddressOrder(&aObserver)); |
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97 } |
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98 |
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99 |
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100 //************************************************************************************* |
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101 /** |
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102 * Cancel a previous change notification request |
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103 */ |
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104 void CASSrvEnvironmentChangeManager::RequestEnvironmentChangesCancel(MASSrvEnvironmentChangeObserver& aObserver) |
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105 { |
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106 TInt index = KErrNotFound; |
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107 const TInt error = iObservers.FindInAddressOrder(&aObserver, index); |
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108 if (error != KErrNotFound) |
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109 iObservers.Remove(index); |
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110 } |
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111 |
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112 |
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113 // |
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114 // |
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115 // |
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116 |
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117 |
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118 //************************************************************************************* |
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119 /** |
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120 * @internalComponent |
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121 */ |
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122 TBool CASSrvEnvironmentChangeManager::EnvironmentChangeCallBack(TAny* aSelf) |
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123 { |
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124 CASSrvEnvironmentChangeManager& self = *reinterpret_cast<CASSrvEnvironmentChangeManager*>(aSelf); |
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125 #ifdef _DEBUG |
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126 if(!self.iEnvChgHandling) |
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127 { |
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128 return ETrue; |
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129 } |
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130 #endif |
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131 self.HandleEnvironmentChange(); |
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132 return ETrue; |
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133 } |
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134 |
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135 |
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136 // |
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137 // |
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138 // |
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139 |
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140 |
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141 //************************************************************************************* |
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142 /** |
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143 * Handle an environment change event |
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144 */ |
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145 void CASSrvEnvironmentChangeManager::HandleEnvironmentChange() |
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146 { |
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147 if (!iHaveAbsorbedFirstChange) |
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148 { |
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149 iHaveAbsorbedFirstChange = ETrue; |
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150 return; |
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151 } |
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152 |
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153 const TInt changes = iChangeNotifier->Change(); |
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154 // |
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155 TBool workDaysChanged = EFalse; |
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156 if (changes & EChangesLocale) |
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157 { |
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158 const TUint workdays = TLocale().WorkDays(); |
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159 if (workdays != CachedWorkDays()) |
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160 { |
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161 CachedWorkDays() = workdays; |
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162 workDaysChanged = ETrue; |
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163 } |
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164 } |
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165 |
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166 // Cascade changes to observers |
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167 const TInt count = iObservers.Count(); |
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168 for(TInt i=0; i<count; i++) |
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169 { |
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170 iObservers[i]->MEnvChangeHandleEvent(changes, CachedWorkDays(), workDaysChanged); |
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171 } |
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172 |
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173 } |
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174 |
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175 |
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176 |
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177 |
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180 |
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183 |