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1 /* |
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2 * Copyright (c) 2007 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: Class for disk space watcher |
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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 // INCLUDES |
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20 #include <e32std.h> |
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21 #include <f32file.h> |
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22 #include "diskspacewatcher.h" |
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23 #include "disknotifyhandler.h" |
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24 #include "disknotifyhandlerdebug.h" |
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25 |
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26 |
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27 // ======== LOCAL FUNCTIONS ======== |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // SetEvent |
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31 // --------------------------------------------------------------------------- |
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32 // |
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33 inline static void SetEvent( |
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34 MDiskNotifyHandlerCallback::TDiskSpaceEvent& aEvent, |
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35 TInt aDrive, |
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36 const TInt64& aThreshold ) |
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37 { |
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38 aEvent.iDrive = aDrive; |
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39 aEvent.iThreshold = aThreshold; |
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40 } |
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41 |
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42 |
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43 // ======== MEMBER FUNCTIONS ======== |
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44 |
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45 // --------------------------------------------------------------------------- |
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46 // CDiskSpaceWatcher::CDiskSpaceWatcher |
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47 // --------------------------------------------------------------------------- |
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48 // |
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49 CDiskSpaceWatcher::CDiskSpaceWatcher( |
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50 MDiskNotifyHandlerCallback& aCallback, |
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51 RFs& aFs, |
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52 RPointerArray< CDiskSpaceWatcher >& aWatcherList, |
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53 TInt aDrive, |
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54 const TInt64& aThreshold ) : |
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55 CDiskWatcherBase( aCallback, aFs ), |
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56 iWatcherList( aWatcherList ), |
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57 iDrive( aDrive ), |
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58 iThreshold( aThreshold ) |
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59 { |
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60 FUNC_LOG |
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61 } |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // CDiskSpaceWatcher::ConstructL |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 void CDiskSpaceWatcher::ConstructL() |
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68 { |
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69 FUNC_LOG |
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70 |
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71 iWatcherList.InsertInOrderL( this, CompareFindObject ); |
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72 Activate(); |
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73 } |
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74 |
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75 // --------------------------------------------------------------------------- |
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76 // CDiskSpaceWatcher::NewL |
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77 // --------------------------------------------------------------------------- |
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78 // |
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79 CDiskSpaceWatcher* CDiskSpaceWatcher::NewL( |
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80 MDiskNotifyHandlerCallback& aCallback, |
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81 RFs& aFs, |
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82 RPointerArray< CDiskSpaceWatcher >& aWatcherList, |
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83 TInt aDrive, |
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84 const TInt64& aThreshold ) |
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85 { |
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86 FUNC_LOG |
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87 |
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88 CDiskSpaceWatcher* self = new ( ELeave ) CDiskSpaceWatcher( |
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89 aCallback, aFs, aWatcherList, aDrive, aThreshold ); |
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90 CleanupStack::PushL( self ); |
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91 self->ConstructL(); |
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92 CleanupStack::Pop( self ); |
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93 return self; |
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94 } |
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95 |
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96 // --------------------------------------------------------------------------- |
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97 // CDiskSpaceWatcher::~CDiskSpaceWatcher |
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98 // --------------------------------------------------------------------------- |
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99 // |
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100 CDiskSpaceWatcher::~CDiskSpaceWatcher() |
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101 { |
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102 FUNC_LOG |
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103 |
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104 Cancel(); |
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105 } |
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106 |
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107 // --------------------------------------------------------------------------- |
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108 // CDiskSpaceWatcher::CompareFind |
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109 // --------------------------------------------------------------------------- |
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110 // |
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111 TInt CDiskSpaceWatcher::CompareFind( |
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112 const TInt* aDrive, |
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113 const CDiskSpaceWatcher& aWatcher ) |
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114 { |
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115 return Compare( *aDrive, aWatcher.iDrive ); |
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116 } |
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117 |
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118 // --------------------------------------------------------------------------- |
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119 // CDiskSpaceWatcher::CompareFindData |
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120 // --------------------------------------------------------------------------- |
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121 // |
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122 TInt CDiskSpaceWatcher::CompareFindData( |
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123 const TFindData* aData, |
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124 const CDiskSpaceWatcher& aWatcher ) |
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125 { |
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126 TInt ret( Compare( aData->iDrive, aWatcher.iDrive ) ); |
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127 if ( !ret ) |
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128 { |
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129 ret = Compare( aData->iThreshold, aWatcher.iThreshold ); |
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130 } |
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131 return ret; |
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132 } |
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133 |
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134 // --------------------------------------------------------------------------- |
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135 // CDiskSpaceWatcher::CompareFindObject |
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136 // --------------------------------------------------------------------------- |
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137 // |
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138 TInt CDiskSpaceWatcher::CompareFindObject( |
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139 const CDiskSpaceWatcher& aWatcher1, |
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140 const CDiskSpaceWatcher& aWatcher2 ) |
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141 { |
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142 TInt ret( Compare( aWatcher1.iDrive, aWatcher2.iDrive ) ); |
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143 if ( !ret ) |
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144 { |
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145 ret = Compare( aWatcher1.iThreshold, aWatcher2.iThreshold ); |
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146 } |
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147 return ret; |
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148 } |
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149 |
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150 // --------------------------------------------------------------------------- |
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151 // CDiskSpaceWatcher::WatcherError |
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152 // --------------------------------------------------------------------------- |
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153 // |
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154 void CDiskSpaceWatcher::WatcherError( |
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155 TInt aError, |
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156 const TBool& aKilled ) |
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157 { |
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158 FUNC_LOG |
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159 |
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160 LOG_IF_ERROR3( |
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161 aError, |
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162 "CDiskSpaceWatcher::WatcherError-iDrive=%d,iThreshold=%Ld,aError=%d", |
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163 iDrive, iThreshold, aError ) |
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164 |
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165 MDiskNotifyHandlerCallback::TDiskSpaceEvent event; |
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166 SetEvent( event, iDrive, iThreshold ); |
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167 Callback().HandleNotifyDiskSpace( aError, event ); |
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168 if ( aKilled ) |
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169 { |
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170 return; |
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171 } |
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172 // Remove useless watcher if not manually activated from callback |
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173 if ( !IsActive() ) |
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174 { |
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175 RemoveFromListAndDestroy(); |
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176 } |
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177 } |
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178 |
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179 // --------------------------------------------------------------------------- |
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180 // CDiskSpaceWatcher::ReactivateWatcher |
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181 // --------------------------------------------------------------------------- |
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182 // |
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183 void CDiskSpaceWatcher::ReactivateWatcher() |
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184 { |
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185 FUNC_LOG |
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186 |
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187 Activate(); |
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188 } |
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189 |
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190 // --------------------------------------------------------------------------- |
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191 // CDiskSpaceWatcher::RunWatcher |
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192 // --------------------------------------------------------------------------- |
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193 // |
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194 void CDiskSpaceWatcher::RunWatcher( const TBool& /*aKilled*/ ) |
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195 { |
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196 FUNC_LOG |
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197 |
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198 INFO_LOG2( |
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199 "CDiskSpaceWatcher::RunWatcher-iThreshold=%Ld,iDrive=%d", |
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200 iThreshold, iDrive ) |
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201 |
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202 MDiskNotifyHandlerCallback::TDiskSpaceEvent event; |
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203 SetEvent( event, iDrive, iThreshold ); |
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204 Callback().HandleNotifyDiskSpace( KErrNone, event ); |
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205 } |
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206 |
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207 // --------------------------------------------------------------------------- |
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208 // CDiskSpaceWatcher::CancelWatcher |
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209 // --------------------------------------------------------------------------- |
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210 // |
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211 void CDiskSpaceWatcher::CancelWatcher() |
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212 { |
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213 FUNC_LOG |
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214 |
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215 INFO_LOG2( |
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216 "CDiskSpaceWatcher::CancelWatcher-iThreshold=%Ld,iDrive=%d", |
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217 iThreshold, iDrive ) |
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218 |
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219 Fs().NotifyDiskSpaceCancel( iStatus ); |
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220 } |
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221 |
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222 // --------------------------------------------------------------------------- |
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223 // CDiskSpaceWatcher::Activate |
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224 // --------------------------------------------------------------------------- |
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225 // |
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226 void CDiskSpaceWatcher::Activate() |
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227 { |
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228 FUNC_LOG |
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229 |
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230 if( !IsActive() ) |
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231 { |
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232 INFO_LOG2( |
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233 "CDiskSpaceWatcher::Activate-iThreshold=%Ld,iDrive=%d", |
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234 iThreshold, iDrive ) |
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235 Fs().NotifyDiskSpace( iThreshold, iDrive, iStatus ); |
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236 SetActive(); |
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237 } |
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238 } |
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239 |
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240 // --------------------------------------------------------------------------- |
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241 // CDiskSpaceWatcher::RemoveFromListAndDestroy |
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242 // --------------------------------------------------------------------------- |
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243 // |
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244 void CDiskSpaceWatcher::RemoveFromListAndDestroy() |
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245 { |
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246 FUNC_LOG |
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247 |
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248 TInt i( iWatcherList.FindInOrder( this, CompareFindObject ) ); |
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249 if ( i >= 0 && i < iWatcherList.Count() ) |
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250 { |
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251 INFO_LOG3( |
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252 "CDiskSpaceWatcher::RemoveFromListAndDestroy-iThreshold=%Ld,iDrive=%d,i=%d", |
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253 iThreshold, iDrive, i ) |
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254 iWatcherList.Remove( i ); |
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255 delete this; |
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256 } |
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257 } |
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258 |
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259 // End of File |