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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: ?Description |
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15 * |
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16 */ |
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17 |
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18 // INCLUDE FILES |
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19 #include <f32file.h> |
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20 #include <s32file.h> |
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21 #include <sysutil.h> |
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22 #include "casrvmmchistory.h" |
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23 // CONSTANTS |
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24 LOCAL_D const TInt KCaMmcHistoryLength = 2; |
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25 |
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26 // ==================== MEMBER FUNCTIONS ==================== |
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27 |
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28 // --------------------------------------------------------- |
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29 // |
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30 // --------------------------------------------------------- |
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31 // |
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32 CCaSrvMmcHistory::CCaSrvMmcHistory() |
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33 { |
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34 } |
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35 |
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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 void CCaSrvMmcHistory::ConstructL() |
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41 { |
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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 // |
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48 EXPORT_C CCaSrvMmcHistory* CCaSrvMmcHistory::NewL() |
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49 { |
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50 CCaSrvMmcHistory* self = new (ELeave) CCaSrvMmcHistory(); |
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51 CleanupStack::PushL( self ); |
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52 self->ConstructL(); |
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53 CleanupStack::Pop( self ); |
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54 return self; |
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55 } |
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56 |
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57 // --------------------------------------------------------- |
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58 // |
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59 // --------------------------------------------------------- |
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60 // |
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61 CCaSrvMmcHistory::~CCaSrvMmcHistory() |
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62 { |
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63 iMmcList.Close(); |
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64 } |
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65 |
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66 // --------------------------------------------------------- |
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67 // |
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68 // --------------------------------------------------------- |
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69 // |
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70 EXPORT_C void CCaSrvMmcHistory::LoadL( RFs& aFs, const TDesC& aFname ) |
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71 { |
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72 iMmcList.Reset(); |
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73 TUint att; |
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74 if( KErrNotFound != aFs.Att( aFname, att ) ) |
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75 { |
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76 RFileReadStream stream; |
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77 CleanupClosePushL( stream ); |
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78 User::LeaveIfError( stream.Open( aFs, aFname, EFileStream |
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79 | EFileShareReadersOnly ) ); |
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80 TInt len = Min( KCaMmcHistoryLength, stream.ReadInt32L() ); |
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81 while( len-- ) |
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82 { |
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83 iMmcList.AppendL( stream.ReadUint32L() ); |
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84 } |
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85 CleanupStack::PopAndDestroy( &stream ); |
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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 // CMenuSrvMmcHistory::SaveL |
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91 // Method do not work if there is no free space on C drive. |
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92 // --------------------------------------------------------- |
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93 // |
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94 EXPORT_C void CCaSrvMmcHistory::SaveL( RFs& aFs, const TDesC& aFname ) |
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95 { |
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96 if( SysUtil::DiskSpaceBelowCriticalLevelL( &aFs, 0, EDriveC ) ) |
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97 { |
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98 return; |
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99 } |
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100 |
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101 RFileWriteStream stream; |
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102 CleanupClosePushL( stream ); |
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103 User::LeaveIfError( stream.Replace( aFs, aFname, EFileStream |
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104 | EFileShareExclusive ) ); |
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105 stream.WriteInt32L( iMmcList.Count() ); |
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106 for( TInt i = 0; i < iMmcList.Count(); i++ ) |
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107 { |
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108 stream.WriteUint32L( iMmcList[i] ); |
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109 } |
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110 CleanupStack::PopAndDestroy( &stream ); |
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111 } |
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112 |
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113 // --------------------------------------------------------- |
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114 // CMenuSrvMmcHistory::InsertL |
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115 // --------------------------------------------------------- |
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116 // |
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117 EXPORT_C void CCaSrvMmcHistory::InsertL( TUint aMmc ) |
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118 { |
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119 TInt i = iMmcList.Find( aMmc ); |
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120 switch( i ) |
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121 { |
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122 case 0: |
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123 { |
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124 // aMmc is already first, do nothing. |
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125 break; |
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126 } |
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127 |
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128 case KErrNotFound: |
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129 { |
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130 // aMmc is not in the list. Insert as first. |
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131 if( iMmcList.Count() == KCaMmcHistoryLength ) |
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132 { |
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133 // List already full - remove last item to make space. |
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134 iMmcList.Remove( KCaMmcHistoryLength - 1 ); |
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135 } |
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136 iMmcList.InsertL( aMmc, 0 ); |
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137 break; |
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138 } |
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139 |
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140 default: |
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141 { |
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142 // aMmc is in the list, but not first. Move to first place. |
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143 iMmcList.Remove( i ); |
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144 iMmcList.InsertL( aMmc, 0 ); |
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145 break; |
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146 } |
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147 } |
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148 } |
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149 |
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150 // --------------------------------------------------------- |
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151 // CMenuSrvMmcHistory::Find |
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152 // --------------------------------------------------------- |
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153 // |
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154 EXPORT_C TInt CCaSrvMmcHistory::Find( TUint aMmc ) |
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155 { |
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156 return iMmcList.Find( aMmc ); |
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157 } |
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158 |
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159 // End of File |