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: Memory state popup implementation |
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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 // SYSTEM INCLUDES |
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20 #include <e32std.h> |
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21 #include <AknProgressDialog.h> |
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22 #include <aknlists.h> |
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23 #include <ConeResLoader.h> |
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24 #include <bautils.h> |
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25 #include <StringLoader.h> |
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26 #include <aknPopup.h> |
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27 #include <memstatepopup.rsg> |
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28 #include <f32file.h> |
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29 #include <data_caging_path_literals.hrh> |
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30 |
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31 // USER INCLUDES |
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32 #include "msputil.h" |
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33 #include "cmemstatepopup.h" |
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34 #include "cmemstatepopupimpl.h" |
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35 #include "cmemscaneventreceiver.h" |
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36 |
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37 // CONSTANTS |
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38 _LIT( KDirAndFile,"Z:MemStatePopup.RSC" ); |
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39 _LIT( KMemListSeparator, "\t" ); |
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40 |
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41 // Max length of a list row |
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42 // Has to be big enough to hold "%N %U" |
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43 const TInt KListItemMaxLength = 32; |
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44 |
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45 // --------------------------------------------------------------------------- |
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46 |
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47 CMemStatePopupImpl::~CMemStatePopupImpl( ) |
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48 { |
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49 Cancel(); |
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50 // Close the resource |
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51 iResLoader.Close( ); |
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52 |
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53 if( iWaitDialog ) |
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54 { |
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55 iWaitDialog->SetObserver( NULL ); |
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56 delete iWaitDialog; |
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57 } |
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58 |
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59 delete iEventReceiver; // deletes also scan engine and server |
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60 |
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61 delete iGroupNames; |
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62 delete iListModel; |
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63 delete iListBox; |
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64 delete iScanResults; |
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65 |
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66 |
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67 if( iOwnsUtil ) |
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68 { |
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69 // Delete only if the actual dialog was launched |
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70 delete iUtil; |
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71 } |
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72 |
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73 // Try to delete also iPopup in case of leave |
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74 // Must call CBase's destructor |
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75 // because CAknPopupList destructor is protected |
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76 delete ( CBase* ) iPopup; |
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77 } |
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78 |
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79 // --------------------------------------------------------------------------- |
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80 |
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81 CMemStatePopupImpl::CMemStatePopupImpl( TDriveNumber aDrive, const TDesC& aTitle ) : |
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82 CActive(EPriorityStandard), |
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83 iFinished( EFalse ), |
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84 iDrive( aDrive ), |
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85 iTitle( const_cast<TDesC*> (&aTitle) ), |
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86 iCoeEnv( *CCoeEnv::Static( ) ), |
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87 iResLoader( iCoeEnv ), |
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88 iOwnsUtil( ETrue ) |
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89 { |
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90 CActiveScheduler::Add(this); |
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91 } |
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92 |
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93 // --------------------------------------------------------------------------- |
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94 |
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95 // Used by GetUtilL |
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96 CMemStatePopupImpl::CMemStatePopupImpl( ) : |
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97 CActive(EPriorityStandard), |
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98 iFinished( EFalse ), |
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99 iDrive( EDriveC ), |
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100 iCoeEnv( *CCoeEnv::Static( ) ), |
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101 iResLoader( iCoeEnv ), |
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102 iOwnsUtil( EFalse ) |
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103 { |
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104 } |
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105 |
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106 // --------------------------------------------------------------------------- |
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107 |
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108 void CMemStatePopupImpl::ConstructL( ) |
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109 { |
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110 OpenResourceAndReadArrayL( ); |
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111 |
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112 // Instantiate event receiver, memory scan engine and server |
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113 iEventReceiver = CMemScanEventReceiver::NewL( *this ); |
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114 |
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115 // Get data group names from engine |
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116 iGroupNames = iEventReceiver->DataGroupsL( ); |
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117 |
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118 // Create popup |
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119 ConstructPopupL( ); |
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120 |
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121 // Create wait dialog |
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122 iWaitDialog = new( ELeave ) CAknWaitDialog( |
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123 reinterpret_cast< CEikDialog** >( &iWaitDialog ) ); |
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124 iWaitDialog->SetCallback( this ); |
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125 iWaitDialog->PrepareLC( R_MEMSTATE_WAIT_NOTE ); |
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126 |
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127 StartObserver(); |
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128 } |
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129 |
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130 // --------------------------------------------------------------------------- |
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131 |
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132 void CMemStatePopupImpl::RunLD( TDriveNumber aDrive, const TDesC& aTitle ) |
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133 { |
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134 CMemStatePopupImpl* self = new( ELeave ) CMemStatePopupImpl( aDrive, aTitle ); |
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135 CleanupStack::PushL( self ); |
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136 self->ConstructL( ); |
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137 |
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138 // Run the actual process |
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139 self->ExecuteL( ); |
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140 |
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141 CleanupStack::PopAndDestroy( self ); |
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142 } |
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143 |
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144 |
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145 // --------------------------------------------------------------------------- |
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146 |
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147 void CMemStatePopupImpl::GetUtilL( CMSPUtil*& aUtil ) |
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148 { |
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149 CMemStatePopupImpl* self = new( ELeave ) CMemStatePopupImpl; |
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150 CleanupStack::PushL( self ); |
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151 |
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152 // Read the unit array from resource |
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153 self->OpenResourceAndReadArrayL( ); |
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154 aUtil = self->iUtil; // iUtil is not deleted |
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155 |
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156 CleanupStack::PopAndDestroy( self ); |
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157 } |
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158 |
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159 // --------------------------------------------------------------------------- |
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160 |
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161 void CMemStatePopupImpl::StartL( ) |
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162 { |
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163 #ifdef _DEBUG |
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164 RDebug::Print( _L( "Scanning started!" ) ); |
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165 #endif |
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166 } |
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167 |
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168 // --------------------------------------------------------------------------- |
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169 |
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170 void CMemStatePopupImpl::QuitL( TInt /*aReason*/ ) |
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171 { |
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172 #ifdef _DEBUG |
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173 RDebug::Print( _L( "Scanning ended!" ) ); |
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174 #endif |
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175 if( !iFinished ) |
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176 { |
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177 // Tell waitdialog that it can quit now |
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178 iWaitDialog->ProcessFinishedL( ); |
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179 iFinished = ETrue; |
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180 } |
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181 } |
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182 |
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183 // --------------------------------------------------------------------------- |
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184 |
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185 void CMemStatePopupImpl::ErrorL( TInt aError ) |
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186 { |
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187 #ifdef _DEBUG |
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188 RDebug::Print( _L( "Error scanning memory: %d" ), aError ); |
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189 #endif |
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190 |
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191 // getting rid of UREL compiler warning |
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192 if( !aError ) |
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193 { |
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194 aError = KErrNone; |
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195 } |
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196 } |
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197 |
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198 // --------------------------------------------------------------------------- |
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199 |
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200 void CMemStatePopupImpl::DialogDismissedL( TInt aButtonId ) |
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201 { |
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202 |
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203 // Cancel is pressed while scanning is in progress |
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204 if( iEventReceiver->ScanInProgress( ) ) |
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205 { |
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206 iFinished = ETrue; |
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207 iEventReceiver->Cancel( ); // Stop scanning |
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208 } |
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209 |
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210 // Cancel is pressed while wait note is on screen (scanning may be completed) |
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211 if( aButtonId == EAknSoftkeyCancel ) // instead of EAknSoftkeyDone |
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212 { |
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213 iPopup->CancelPopup( ); // Remove memory state popup from screen |
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214 return; |
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215 } |
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216 |
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217 // Get the new result array |
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218 delete iScanResults; |
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219 iScanResults = NULL; |
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220 TRAPD( err, iScanResults = iEventReceiver->ScanResultL( ) ); |
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221 if( err != KErrNone ) |
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222 { |
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223 iPopup->CancelPopup( ); // Remove memory state popup from screen |
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224 return; |
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225 } |
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226 RefreshL( ); |
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227 } |
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228 |
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229 // --------------------------------------------------------------------------- |
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230 |
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231 void CMemStatePopupImpl::ConstructPopupL( ) |
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232 { |
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233 iListBox = new( ELeave ) CMemStateListBox( ); |
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234 |
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235 iPopup = CAknPopupList::NewL( iListBox, R_AVKON_SOFTKEYS_OK_EMPTY, |
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236 AknPopupLayouts::EMenuGraphicHeadingWindow ); |
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237 iPopup->SetTitleL( *iTitle ); |
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238 |
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239 // Set up listbox |
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240 iListBox->ConstructL( iPopup, EAknListBoxViewerFlags ); |
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241 |
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242 // Create listbox model and give the model to the listbox |
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243 iListModel = new( ELeave ) CDesCArraySeg( iGroupNames->Count( ) ); |
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244 |
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245 // Create scroll indicator |
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246 iListBox->CreateScrollBarFrameL( ETrue ); |
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247 iListBox->ScrollBarFrame( )->SetScrollBarVisibilityL( |
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248 CEikScrollBarFrame::EOff, CEikScrollBarFrame::EAuto ); |
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249 iListBox->Model( )->SetItemTextArray( iListModel ); |
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250 iListBox->Model( )->SetOwnershipType( ELbmDoesNotOwnItemArray ); |
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251 iListBox->ItemDrawer()->ColumnData()->EnableMarqueeL( ETrue ); |
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252 } |
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253 |
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254 // --------------------------------------------------------------------------- |
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255 |
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256 void CMemStatePopupImpl::ExecuteL( ) |
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257 { |
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258 // Show wait dialog |
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259 iWaitDialog->RunLD( ); |
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260 |
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261 // Start the scanning |
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262 User::LeaveIfError(iEventReceiver->ScanL( iDrive )); |
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263 |
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264 // Get the result array |
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265 iScanResults = iEventReceiver->ScanResultL( ); |
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266 |
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267 // Set all results zero, so that no actual results are shown |
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268 // before the scan is done. |
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269 NullifyResults( ); |
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270 |
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271 // Update the list with initial values (0's) |
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272 RefreshL( ); |
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273 |
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274 // Show popup |
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275 iPopup->ExecuteLD( ); |
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276 iPopup = NULL; // Has to be set NULL because deleted in destructor |
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277 } |
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278 |
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279 // --------------------------------------------------------------------------- |
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280 |
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281 void CMemStatePopupImpl::RefreshL( ) |
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282 { |
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283 //TBuf< KListItemMaxLength > result; |
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284 TBuf< KListItemMaxLength > unitText; |
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285 TBuf< KListItemMaxLength > tempText; |
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286 TPtrC unit; |
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287 TInt64 res64( 0 ); |
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288 TInt count( iScanResults ? iScanResults->Count( ) : 0 ); |
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289 TInt maxGroupName(0); |
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290 |
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291 for( TInt i = 0; i < iGroupNames->Count(); i++ ) |
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292 { |
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293 if( maxGroupName < ( *iGroupNames )[ i ].Length() ) |
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294 { |
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295 maxGroupName = ( *iGroupNames )[ i ].Length(); |
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296 } |
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297 } |
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298 |
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299 // Allocate memory for size, unit text and actual group name |
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300 HBufC* result = HBufC::NewLC( maxGroupName + 2*KListItemMaxLength ); |
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301 TPtr resultPtr( result->Des() ); |
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302 HBufC* unitFormatter = StringLoader::LoadLC( R_UNIT_FORMATTER, &iCoeEnv ); |
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303 |
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304 iListModel->Reset( ); |
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305 |
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306 // Go through the result array and append to the model as text |
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307 for( TInt i = 0; i < count; i++ ) |
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308 { |
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309 res64 = ( *iScanResults )[ i ]; |
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310 |
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311 unit.Set( iUtil->SolveUnitAndSize( res64 ) ); |
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312 StringLoader::Format( tempText, *unitFormatter, 0, I64INT( res64 ) ); |
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313 StringLoader::Format( unitText, tempText, 1, unit ); |
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314 resultPtr.Zero( ); |
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315 |
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316 // The actual listbox row is constructed here |
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317 // iListModel is just an array of descriptors |
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318 if ( User::Language() == ELangArabic ) |
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319 { |
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320 resultPtr.Append( KRightToLeftMark ); |
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321 } |
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322 resultPtr.Append( unitText ); |
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323 resultPtr.Append( KMemListSeparator ); |
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324 if( i < iGroupNames->Count() ) |
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325 { |
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326 resultPtr.Append( ( *iGroupNames )[ i ] ); |
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327 } |
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328 else |
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329 { |
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330 resultPtr.Append( ( *iGroupNames )[ 0 ] ); |
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331 } |
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332 iListModel->AppendL( resultPtr ); |
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333 } |
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334 |
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335 CleanupStack::PopAndDestroy( unitFormatter ); |
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336 CleanupStack::PopAndDestroy( result ); |
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337 |
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338 // Update the listbox |
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339 iListBox->HandleItemAdditionL( ); |
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340 } |
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341 |
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342 // --------------------------------------------------------------------------- |
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343 |
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344 void CMemStatePopupImpl::NullifyResults( ) |
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345 { |
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346 // Set all results to zero |
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347 if( iScanResults ) |
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348 { |
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349 TInt count( iScanResults->Count( ) ); |
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350 for( TInt t = 0; t < count; t++ ) |
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351 { |
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352 ( *iScanResults )[ t ] = 0; |
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353 } |
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354 } |
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355 } |
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356 |
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357 // --------------------------------------------------------------------------- |
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358 |
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359 void CMemStatePopupImpl::OpenResourceAndReadArrayL( ) |
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360 { |
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361 // Open dll resource |
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362 |
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363 TParse* fp = new(ELeave) TParse(); |
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364 fp->Set(KDirAndFile, &KDC_RESOURCE_FILES_DIR, NULL); |
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365 TFileName fileName( fp->FullName() ); |
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366 delete fp; |
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367 |
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368 BaflUtils::NearestLanguageFile( iCoeEnv.FsSession( ), |
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369 fileName ); |
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370 iResLoader.OpenL( fileName ); |
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371 |
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372 // Read localised unit texts from resource |
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373 TResourceReader reader; |
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374 iCoeEnv.CreateResourceReaderLC( reader, R_ARRAY_UNITS ); |
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375 CDesCArrayFlat* units = reader.ReadDesCArrayL( ); |
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376 CleanupStack::PushL( units ); |
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377 iUtil = CMSPUtil::NewL( units ); // Give the array to the util class |
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378 CleanupStack::Pop( units ); |
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379 CleanupStack::PopAndDestroy(); // Private HBufC8* variable |
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380 // of CreateResourceReaderLC() |
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381 } |
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382 |
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383 // --------------------------------------------------------------------------- |
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384 void CMemStatePopupImpl::RunL() |
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385 { |
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386 TVolumeInfo volInfo; |
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387 TInt err = iCoeEnv.FsSession().Volume( volInfo, iDrive ); |
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388 if(err != KErrNone) |
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389 { |
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390 iPopup->CancelPopup( ); |
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391 } |
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392 else |
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393 { |
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394 StartObserver(); |
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395 } |
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396 } |
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397 |
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398 // --------------------------------------------------------------------------- |
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399 void CMemStatePopupImpl::DoCancel() |
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400 { |
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401 iCoeEnv.FsSession().NotifyChangeCancel(); |
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402 } |
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403 |
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404 // --------------------------------------------------------------------------- |
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405 void CMemStatePopupImpl::StartObserver() |
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406 { |
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407 if ( IsActive() ) |
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408 { |
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409 Cancel(); |
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410 } |
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411 iCoeEnv.FsSession().NotifyChange( ENotifyDisk, iStatus ); |
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412 SetActive(); |
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413 } |
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414 |
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415 // End of File |
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