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1 /* |
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2 * Copyright (c) 2002-2006 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 the License "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 * Implementation of CBrowserCommsModel. |
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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 |
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21 // INCLUDE FILES |
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22 |
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23 #include <ActiveApDb.h> |
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24 #include <ApUtils.h> |
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25 #include <ApSelect.h> |
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26 #include <ApListItemList.h> |
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27 #include <ApListItem.h> |
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28 #include <BrowserNG.rsg> |
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29 #include "BrowserCommsModel.h" |
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30 #include "BrowserDialogs.h" |
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31 #include "Browser.hrh" |
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32 |
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33 // CONSTANTS |
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34 |
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35 /// Granularity of observer list. |
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36 LOCAL_D const TInt KObserverListGranularity = 4; |
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37 |
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38 // ================= MEMBER FUNCTIONS ======================= |
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39 |
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40 // --------------------------------------------------------- |
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41 // CBrowserCommsModel::NewL |
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42 // --------------------------------------------------------- |
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43 // |
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44 CBrowserCommsModel* CBrowserCommsModel::NewL() |
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45 { |
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46 CBrowserCommsModel* model = new (ELeave) CBrowserCommsModel(); |
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47 CleanupStack::PushL( model ); |
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48 model->ConstructL(); |
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49 CleanupStack::Pop(); // model |
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50 return model; |
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51 } |
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52 |
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53 // --------------------------------------------------------- |
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54 // CBrowserCommsModel::~CBrowserCommsModel |
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55 // --------------------------------------------------------- |
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56 // |
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57 CBrowserCommsModel::~CBrowserCommsModel() |
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58 { |
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59 delete iObservers; |
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60 if ( iDb ) |
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61 { |
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62 iDb->RemoveObserver( this ); |
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63 } |
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64 delete iCachedApList; |
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65 delete iDb; |
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66 } |
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67 |
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68 // --------------------------------------------------------- |
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69 // CBrowserCommsModel::CBrowserCommsModel |
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70 // --------------------------------------------------------- |
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71 // |
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72 CBrowserCommsModel::CBrowserCommsModel(): iUpdatePending( EFalse ) |
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73 { |
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74 } |
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75 |
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76 // --------------------------------------------------------- |
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77 // CBrowserCommsModel::ConstructL |
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78 // --------------------------------------------------------- |
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79 // |
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80 void CBrowserCommsModel::ConstructL() |
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81 { |
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82 iDb = CActiveApDb::NewL( EDatabaseTypeIAP ); |
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83 iDb->AddObserverL( this ); |
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84 iCachedApList = new (ELeave) CApListItemList(); |
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85 iObservers = new (ELeave) CArrayPtrFlat<MCommsModelObserver> |
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86 ( KObserverListGranularity ); |
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87 iDelayedRefresh = ETrue; |
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88 //GetAccessPointsL(); |
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89 } |
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90 |
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91 // --------------------------------------------------------- |
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92 // CBrowserCommsModel::HandleApDbEventL |
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93 // --------------------------------------------------------- |
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94 // |
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95 void CBrowserCommsModel::HandleApDbEventL |
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96 ( MActiveApDbObserver::TEvent aEvent ) |
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97 { |
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98 // We try to refresh AP list in two cases: |
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99 // 1. Database changed; |
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100 // 2. Database unlocked and we have a pending update (previous update was |
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101 // unsuccessful). |
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102 if ( aEvent == MActiveApDbObserver::EDbChanged || |
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103 ( aEvent == MActiveApDbObserver::EDbAvailable && iUpdatePending ) ) |
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104 { |
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105 // Try to refresh cached AP list. |
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106 iDelayedRefresh = ETrue; |
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107 //GetAccessPointsL(); |
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108 NotifyObserversL(); |
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109 } |
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110 // MActiveApDbObserver::EDbClosing: |
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111 // MActiveApDbObserver::EDbAvailable: |
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112 // These events will never come. Commdb cannot be closed |
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113 // with a notifier still on it. (It must be deleted to close.) |
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114 } |
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115 |
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116 // --------------------------------------------------------- |
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117 // CBrowserCommsModel::ApDb |
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118 // --------------------------------------------------------- |
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119 // |
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120 CActiveApDb& CBrowserCommsModel::ApDb() const |
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121 { |
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122 return *iDb; |
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123 } |
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124 |
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125 // --------------------------------------------------------- |
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126 // CBrowserCommsModel::CommsDb |
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127 // --------------------------------------------------------- |
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128 // |
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129 CCommsDatabase& CBrowserCommsModel::CommsDb() const |
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130 { |
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131 return *(iDb->Database()); |
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132 } |
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133 |
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134 // --------------------------------------------------------- |
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135 // CBrowserCommsModel::CopyAccessPointsL |
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136 // --------------------------------------------------------- |
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137 // |
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138 CApListItemList* CBrowserCommsModel::CopyAccessPointsL() |
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139 { |
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140 if ( iDelayedRefresh ) |
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141 { |
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142 GetAccessPointsL(); |
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143 iDelayedRefresh = EFalse; |
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144 } |
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145 CApListItemList* accessPoints = new (ELeave) CApListItemList(); |
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146 CleanupStack::PushL( accessPoints ); |
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147 CApListItem* ap; |
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148 TInt i; |
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149 TInt count = iCachedApList->Count(); |
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150 for ( i = 0; i < count; i++ ) |
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151 { |
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152 ap = CApListItem::NewLC( iCachedApList->At( i ) ); |
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153 accessPoints->AppendL( ap ); |
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154 CleanupStack::Pop(); // ap; owner is now the list. |
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155 } |
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156 CleanupStack::Pop(); // accessPoints |
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157 return accessPoints; |
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158 } |
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159 |
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160 // --------------------------------------------------------- |
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161 // CBrowserCommsModel::AccessPoints |
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162 // --------------------------------------------------------- |
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163 // |
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164 const CApListItemList* CBrowserCommsModel::AccessPointsL() |
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165 { |
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166 if ( iDelayedRefresh ) |
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167 { |
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168 GetAccessPointsL(); |
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169 iDelayedRefresh = EFalse; |
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170 } |
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171 return iCachedApList; |
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172 } |
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173 |
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174 // --------------------------------------------------------- |
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175 // CBrowserCommsModel::RefreshAccessPointsL |
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176 // --------------------------------------------------------- |
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177 // |
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178 void CBrowserCommsModel::RefreshAccessPointsL() |
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179 { |
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180 iDelayedRefresh = ETrue; |
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181 //GetAccessPointsL(); |
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182 } |
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183 |
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184 // --------------------------------------------------------- |
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185 // CBrowserCommsModel::AddObserverL |
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186 // --------------------------------------------------------- |
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187 // |
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188 void CBrowserCommsModel::AddObserverL( MCommsModelObserver& aObserver ) |
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189 { |
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190 iObservers->AppendL( &aObserver ); |
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191 } |
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192 |
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193 // --------------------------------------------------------- |
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194 // CBrowserCommsModel::RemoveObserver |
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195 // --------------------------------------------------------- |
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196 // |
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197 void CBrowserCommsModel::RemoveObserver( MCommsModelObserver& aObserver ) |
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198 { |
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199 TInt i; |
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200 TInt count = iObservers->Count(); |
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201 for ( i = 0; i < count; i++ ) |
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202 { |
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203 if ( iObservers->At( i ) == &aObserver ) |
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204 { |
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205 iObservers->Delete( i ); |
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206 break; |
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207 } |
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208 } |
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209 } |
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210 |
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211 |
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212 // --------------------------------------------------------- |
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213 // CBrowserCommsModel::GetAccessPointsL |
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214 // --------------------------------------------------------- |
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215 // |
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216 void CBrowserCommsModel::GetAccessPointsL() |
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217 { |
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218 CApListItemList* apList = new (ELeave) CApListItemList(); |
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219 CleanupStack::PushL( apList ); |
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220 TRAPD( err, DoGetAccessPointsL( *apList ) ); |
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221 switch ( err ) |
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222 { |
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223 case KErrNone: |
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224 { |
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225 // Got new data. |
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226 delete iCachedApList; |
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227 CleanupStack::Pop(); // apList: now member. |
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228 iCachedApList = apList; |
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229 iUpdatePending = EFalse; |
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230 //NotifyObserversL(); |
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231 break; |
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232 } |
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233 |
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234 case KErrLocked: |
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235 case KErrAccessDenied: |
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236 case KErrPermissionDenied: |
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237 { |
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238 // Could not access database. Update now pending, old data remains. |
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239 CleanupStack::PopAndDestroy(); // apList |
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240 iUpdatePending = ETrue; |
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241 break; |
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242 } |
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243 |
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244 default: |
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245 { |
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246 // Other error. Propagate. |
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247 User::Leave( err ); |
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248 break; |
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249 } |
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250 } |
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251 } |
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252 |
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253 // --------------------------------------------------------- |
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254 // CBrowserCommsModel::DoGetAccessPointsL |
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255 // --------------------------------------------------------- |
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256 // |
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257 void CBrowserCommsModel::DoGetAccessPointsL( CApListItemList& aList ) const |
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258 { |
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259 CApSelect* apSelect = CApSelect::NewLC |
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260 ( |
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261 *(iDb->Database()), |
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262 KEApIspTypeAll, |
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263 // KEApIspTypeAll | KEApIspTypeWAPMandatory, |
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264 EApBearerTypeAll, |
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265 KEApSortNameAscending, |
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266 EIPv4 | EIPv6, |
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267 EVpnFilterBoth, //For VPNs |
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268 ETrue //Easy Wlan ap |
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269 ); |
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270 (void)apSelect->AllListItemDataL( aList ); |
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271 CleanupStack::PopAndDestroy(); // apSelect |
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272 } |
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273 |
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274 // --------------------------------------------------------- |
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275 // CBrowserCommsModel::NotifyObserversL |
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276 // --------------------------------------------------------- |
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277 // |
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278 void CBrowserCommsModel::NotifyObserversL() |
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279 { |
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280 if ( iObservers ) |
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281 { |
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282 TInt i; |
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283 TInt count = iObservers->Count(); |
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284 for ( i = 0; i < count; i++ ) |
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285 { |
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286 iObservers->At( i )->HandleCommsModelChangeL(); |
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287 } |
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288 } |
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289 } |
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290 // End of File |