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1 /** @file |
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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: Handles downloads |
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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 include files |
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20 #include <es_sock.h> |
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21 |
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22 // User include files |
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23 #include "httpdownloader.h" |
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24 #include "httpdownloadworker.h" |
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25 #include "httptransferbase.h" |
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26 #include "httptransferobserver.h" |
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27 #include "httpworkerobserver.h" |
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28 |
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29 // Constants |
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30 const TUint KMaxParallelTransfers = 5; |
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31 |
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32 // ======== MEMBER FUNCTIONS ======== |
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33 |
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34 // -------------------------------------------------------------------------- |
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35 // CHttpDownloader::CHttpDownloader() |
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36 // -------------------------------------------------------------------------- |
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37 // |
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38 CHttpDownloader::CHttpDownloader( |
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39 MHttpTransferObserver& aObserver, |
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40 TUint aIAPId, |
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41 TUint aBufferSize, |
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42 TUint aParallelTransfers = KDefaultParallelTransfers ) |
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43 { |
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44 iObserver = &aObserver; |
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45 iIAPId = aIAPId; |
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46 iBufferSize = aBufferSize; |
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47 |
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48 if ( aParallelTransfers <= 0 ) |
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49 { |
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50 iParallelTransfers = KDefaultParallelTransfers; |
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51 } |
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52 else if ( aParallelTransfers > KMaxParallelTransfers ) |
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53 { |
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54 iParallelTransfers = KMaxParallelTransfers; |
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55 } |
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56 else |
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57 { |
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58 iParallelTransfers = aParallelTransfers; |
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59 } |
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60 } |
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61 |
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62 // -------------------------------------------------------------------------- |
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63 // CHttpDownloader::ConstructL() |
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64 // (See comments in header file) |
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65 // -------------------------------------------------------------------------- |
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66 // |
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67 void CHttpDownloader::ConstructL() |
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68 { |
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69 |
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70 for ( TInt i=0; i < iParallelTransfers; i++ ) |
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71 { |
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72 iWorkerArray.Append( CHttpDownloadWorker::NewL( *iObserver, |
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73 iIAPId, |
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74 iBufferSize, |
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75 *this ) ); |
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76 } |
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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 // CHttpDownloader::NewL() |
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82 // (See comments in header file) |
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83 // -------------------------------------------------------------------------- |
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84 // |
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85 EXPORT_C CHttpDownloader* CHttpDownloader::NewL( |
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86 MHttpTransferObserver& aObserver, |
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87 TUint aIAPId, |
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88 TUint aBufferSize, |
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89 TUint aParallelTransfers ) |
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90 { |
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91 CHttpDownloader* self = CHttpDownloader::NewLC( aObserver, |
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92 aIAPId, |
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93 aBufferSize, |
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94 aParallelTransfers ); |
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95 CleanupStack::Pop( self ); |
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96 return self; |
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97 } |
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98 |
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99 // -------------------------------------------------------------------------- |
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100 // CHttpDownloader::NewLC() |
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101 // (See comments in header file) |
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102 // -------------------------------------------------------------------------- |
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103 // |
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104 EXPORT_C CHttpDownloader* CHttpDownloader::NewLC( |
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105 MHttpTransferObserver& aObserver, |
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106 TUint aIAPId, |
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107 TUint aBufferSize, |
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108 TUint aParallelTransfers ) |
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109 |
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110 { |
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111 CHttpDownloader* self = |
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112 new( ELeave ) CHttpDownloader( aObserver, |
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113 aIAPId, |
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114 aBufferSize, |
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115 aParallelTransfers ); |
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116 CleanupStack::PushL( self ); |
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117 self->ConstructL(); |
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118 return self; |
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119 } |
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120 |
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121 // -------------------------------------------------------------------------- |
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122 // CHttpDownloader::~CHttpDownloader() |
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123 // (See comments in header file) |
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124 // -------------------------------------------------------------------------- |
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125 // |
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126 CHttpDownloader::~CHttpDownloader() |
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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 // CHttpDownloader::DownloadFileL |
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132 // (See comments in header file) |
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133 // -------------------------------------------------------------------------- |
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134 // |
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135 EXPORT_C void CHttpDownloader::DownloadFileL( const TDesC8& aUri, |
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136 const TDesC& aTargetPath, |
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137 TAny* aKey ) |
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138 { |
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139 // if aKey already exists -> leave |
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140 for ( TInt i=0; i < iFileQueue.Count(); i++ ) |
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141 { |
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142 if ( iFileQueue[i]->Key() == aKey ) |
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143 { |
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144 User::Leave( KErrAlreadyExists ); |
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145 } |
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146 } |
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147 |
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148 // Add new CHttpFile into the iFileQueue |
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149 CreateAndQueueHttpFileL( aUri, aTargetPath, aKey ); |
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150 |
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151 // Activate new request |
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152 ActivateNewTransferRequest(); |
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153 } |
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154 |
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155 // -------------------------------------------------------------------------- |
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156 // CHttpDownloader::DownloadFileL |
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157 // (See comments in header file) |
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158 // -------------------------------------------------------------------------- |
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159 // |
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160 EXPORT_C void CHttpDownloader::DownloadFileL( const TDesC8& aUri, |
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161 const RFile& aFileHandle, |
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162 TAny* aKey ) |
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163 { |
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164 // if aKey already exists -> leave |
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165 for ( TInt i=0; i < iFileQueue.Count(); i++ ) |
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166 { |
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167 if ( iFileQueue[i]->Key() == aKey ) |
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168 { |
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169 User::Leave( KErrAlreadyExists ); |
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170 } |
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171 } |
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172 |
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173 // Add new CHttpFile into the iFileQueue |
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174 CreateAndQueueHttpFileL( aUri, aFileHandle, aKey ); |
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175 |
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176 // Activate new request |
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177 ActivateNewTransferRequest(); |
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178 } |
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179 |
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180 // end of file |