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1 /* |
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2 * Copyright (c) 2009 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: |
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15 * |
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16 */ |
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17 #include <tstaskmonitorglobals.h> |
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18 #include "tsstorage.h" |
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19 #include "tsmodelitemkeymsg.h" |
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20 // ----------------------------------------------------------------------------- |
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21 /** |
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22 * Two phase construction. Create and initialize storage instance. |
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23 * @param aDataProviders - list of data providers |
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24 * @return storage instane |
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25 */ |
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26 CTsStorage* CTsStorage::NewL(const TArray<MTsModel*> &aDataProviders) |
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27 { |
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28 CTsStorage* self = new(ELeave) CTsStorage(); |
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29 CleanupStack::PushL( self ); |
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30 self->ConstructL( aDataProviders ); |
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31 CleanupStack::Pop( self ); |
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32 return self; |
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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 * Destructor. Function cancel subscribtion for data change notyfications |
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38 */ |
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39 CTsStorage::~CTsStorage() |
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40 { |
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41 for( TInt iter(0); iter < iDataProviders.Count(); ++iter ) |
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42 { |
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43 iDataProviders[iter]->SetObserver( 0 ); |
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44 } |
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45 iData.Close(); |
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46 } |
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47 |
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48 // ----------------------------------------------------------------------------- |
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49 /** |
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50 * First phase construction. |
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51 */ |
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52 CTsStorage::CTsStorage() |
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53 { |
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54 //No implementation required |
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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 * Second phase construction. Function make subscribtion for data changes notifications |
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60 * @param aDataProviders - list of data providers |
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61 */ |
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62 void CTsStorage::ConstructL( const TArray<MTsModel*> &aDataProviders ) |
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63 { |
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64 for (TInt iter(0); iter < aDataProviders.Count(); ++iter) |
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65 { |
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66 iDataProviders.AppendL( aDataProviders[iter] ); |
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67 aDataProviders[iter]->SetObserver( this ); |
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68 } |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 /** |
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73 * Interface implementation |
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74 * @see MTsDataObserver::DataChanged() |
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75 */ |
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76 void CTsStorage::DataChanged() |
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77 { |
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78 ResetModel(); |
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79 } |
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80 |
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81 // ----------------------------------------------------------------------------- |
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82 TBool CTsStorage::IsSupported( TInt aFunction ) const |
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83 { |
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84 return ( OpenTaskMessage == aFunction || CloseTaskMessage == aFunction ); |
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85 } |
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86 |
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87 // ----------------------------------------------------------------------------- |
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88 void CTsStorage::HandleDataL( TInt aFunction, RReadStream& aDataStream ) |
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89 { |
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90 if( !IsSupported(aFunction) ) |
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91 { |
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92 User::Leave( KErrCorrupt ); |
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93 } |
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94 CTsModelItemKeyMsg* msg = CTsModelItemKeyMsg::NewLC( aDataStream ); |
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95 OpenTaskMessage == aFunction ? LaunchL( msg->Key() ) : CloseL( msg->Key() ); |
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96 CleanupStack::PopAndDestroy( msg ); |
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97 } |
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98 |
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99 // ----------------------------------------------------------------------------- |
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100 /** |
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101 * Interface implementation |
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102 * @see MTsModelObserver::dataChanged(MTsModel &) |
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103 */ |
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104 void CTsStorage::DataChanged(MTsModel &/*model*/) |
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105 { |
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106 ResetModel(); |
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107 } |
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108 |
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109 // ----------------------------------------------------------------------------- |
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110 /** |
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111 * Interface implementation |
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112 * @see MTsModel::count() |
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113 */ |
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114 TInt CTsStorage::Count() const |
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115 { |
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116 return iData.Count(); |
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117 } |
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118 |
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119 // ----------------------------------------------------------------------------- |
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120 /** |
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121 * Interface implementation |
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122 * @see MTsModel::SetObserver(MTsModelObserver *) |
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123 */ |
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124 void CTsStorage::SetObserver( MTsModelObserver* aObserver ) |
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125 { |
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126 iDataObserver = aObserver; |
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127 } |
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128 |
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129 // ----------------------------------------------------------------------------- |
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130 /** |
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131 * Interface implementation |
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132 * @see MTsModel::DisplayNameL(TInt) |
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133 */ |
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134 const TDesC& CTsStorage::DisplayNameL( TInt aOffset ) const |
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135 { |
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136 return iData[aOffset].DisplayNameL(); |
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137 } |
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138 |
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139 // ----------------------------------------------------------------------------- |
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140 /** |
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141 * Interface implementation |
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142 * @see MTsModel::IconHandleL(TInt) |
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143 */ |
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144 TInt CTsStorage::IconHandleL( TInt aOffset ) const |
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145 { |
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146 return iData[aOffset].IconHandleL(); |
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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 * Interface implementation |
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152 * @see MTsModel::TimestampL(TInt) |
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153 */ |
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154 TTime CTsStorage::TimestampL( TInt aOffset ) const |
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155 { |
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156 return iData[aOffset].TimestampL(); |
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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 * Interface implementation |
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162 * @see MTsModel::TimestampUpdateL(TInt) |
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163 */ |
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164 TTime CTsStorage::TimestampUpdateL( TInt offset ) const |
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165 { |
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166 return iData[offset].TimestampUpdateL(); |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 /** |
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171 * Interface implementation |
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172 * @see MTsModel::KeyL(TInt) |
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173 */ |
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174 TTsModelItemKey CTsStorage::KeyL( TInt aoffset ) const |
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175 { |
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176 return iData[aoffset].KeyL(); |
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177 } |
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178 |
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179 // ----------------------------------------------------------------------------- |
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180 /** |
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181 * Interface implementation |
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182 * @see MTsModel::IsActiveL(TInt) |
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183 */ |
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184 TBool CTsStorage::IsActiveL( TInt aOffset ) const |
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185 { |
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186 return iData[aOffset].IsActiveL(); |
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187 } |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 /** |
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191 * Interface implementation |
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192 * @see MTsModel::IsClosableL(TInt) |
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193 */ |
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194 TBool CTsStorage::IsClosableL( TInt aOffset ) const |
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195 { |
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196 return iData[aOffset].IsClosableL(); |
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197 } |
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198 |
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199 // ----------------------------------------------------------------------------- |
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200 /** |
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201 * Interface implementation |
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202 * @see MTsModel::CloseL(TTsModelItemKey) |
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203 */ |
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204 TBool CTsStorage::CloseL( TTsModelItemKey aKey ) const |
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205 { |
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206 return FindL(aKey).CloseL(); |
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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 * Interface implementation |
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212 * @see MTsModel::launchL(TTsModelItemKey) |
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213 */ |
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214 TBool CTsStorage::LaunchL(TTsModelItemKey aKey) const |
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215 { |
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216 return FindL(aKey).LaunchL(); |
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217 } |
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218 |
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219 // ----------------------------------------------------------------------------- |
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220 TTsModelItem CTsStorage::FindL( TTsModelItemKey aKey ) const |
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221 { |
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222 for( TInt offset(0); offset < iData.Count(); ++offset ) |
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223 { |
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224 if( iData[offset].KeyL() == aKey ) |
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225 { |
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226 return iData[offset]; |
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227 } |
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228 } |
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229 User::Leave(KErrNotFound); |
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230 return ItemL(0);//just avoid compilation warnings |
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231 } |
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232 |
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233 // ----------------------------------------------------------------------------- |
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234 /** |
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235 * Retrieve shallow copy of data from known data providers and sort entries |
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236 */ |
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237 TInt CTsStorage::ResetModel() |
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238 { |
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239 TRAPD(errNo, ResetModelL()); |
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240 return errNo; |
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241 } |
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242 |
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243 // ----------------------------------------------------------------------------- |
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244 /** |
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245 * Retrieve shallow copy of data from known data providers and sort entries |
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246 */ |
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247 void CTsStorage::ResetModelL() |
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248 { |
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249 iData.Reset(); |
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250 for(TInt iter(0); iter < iDataProviders.Count(); ++iter ) |
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251 { |
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252 PullDataL(*(iDataProviders[iter])); |
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253 } |
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254 ReorderDataL(); |
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255 if (0 != iDataObserver) |
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256 { |
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257 iDataObserver->DataChanged(*this); |
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258 } |
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259 } |
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260 |
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261 // ----------------------------------------------------------------------------- |
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262 /** |
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263 * Retrieve shallow copy of data from source model |
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264 * @param aSrc - source model |
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265 */ |
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266 void CTsStorage::PullDataL( const MTsModel& aSrc ) |
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267 { |
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268 for( TInt iter(0); iter < aSrc.Count(); ++iter ) |
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269 { |
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270 iData.AppendL(aSrc.ItemL(iter)); |
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271 } |
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272 } |
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273 |
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274 // ----------------------------------------------------------------------------- |
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275 /** |
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276 * Sort internal data model |
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277 */ |
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278 void CTsStorage::ReorderDataL() |
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279 { |
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280 for( TInt prev(0); prev < iData.Count(); ++prev ) |
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281 { |
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282 for( TInt next(prev + 1); next < iData.Count(); ++next ) |
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283 { |
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284 const TTsModelItem prevItem(iData[prev]), nextItem(iData[next]); |
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285 if( prevItem.TimestampL() < nextItem.TimestampL() ) |
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286 { |
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287 iData.Remove(prev); |
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288 iData.InsertL(nextItem, prev); |
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289 |
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290 iData.Remove(next); |
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291 iData.InsertL(prevItem, next); |
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292 } |
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293 } |
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294 } |
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295 } |