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1 /* |
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2 * Copyright (c) 2002 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 the License "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 * Declaration of class CCodEngBase. |
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16 * |
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17 * |
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18 */ |
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19 |
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20 |
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21 #ifndef COD_ENG_BASE_H |
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22 #define COD_ENG_BASE_H |
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23 |
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24 // INCLUDES |
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25 |
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26 #include <e32base.h> |
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27 #include <f32file.h> |
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28 #include <apmrec.h> |
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29 #include <apparc.h> |
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30 #include "CodSaver.h" |
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31 #include <CodDownload.h> |
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32 |
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33 // FORWARD DECLARATION |
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34 |
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35 class CCodData; |
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36 class CDocumentHandler; |
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37 class CEikProcess; |
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38 class MCodLoadObserver; |
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39 class CConnection; |
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40 class CHttpLoader; |
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41 class CRoapData; |
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42 class TCodProgress; |
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43 class CBodyPart; |
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44 class CAiwGenericParamList; |
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45 |
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46 class CHeaderField; |
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47 class CDownloadDataClient; |
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48 class CMediaDataClient; |
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49 |
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50 // CONSTANTS |
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51 #ifdef RD_MULTIPLE_DRIVE |
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52 const TInt KMaxDriveListStrLen = KMaxDrives << 1; |
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53 #endif |
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54 |
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55 /// Estimated data transfer for notify. Needed for progress. |
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56 LOCAL_D const TInt KCodNotifyTraffic = 1024; |
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57 |
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58 _LIT( KDownloadFolderFormat, "%S%x\\%S\\" ); // <DRIVE> <KCodDefaultTempDir> \\ <uid> \\ <KTempFilesCodDirName> |
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59 |
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60 _LIT( KCodDefaultTempDir, "\\system\\dmgr\\" ); |
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61 _LIT( KDmDefaultDir, "c:\\system\\dmgr\\" ); |
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62 _LIT( KInfoFilesCodDirName, "codinfo" ); |
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63 _LIT( KTempFilesCodDirName, "contents" ); |
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64 |
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65 |
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66 // CLASS DECLARATION |
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67 |
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68 /** |
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69 * COD Handler Engine Base (processing COD, fetching content, posting status). |
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70 */ |
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71 NONSHARABLE_CLASS( CCodEngBase ): public CActive, public MCodSaverFactory |
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72 { |
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73 |
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74 public: // Constructors and destructor |
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75 |
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76 /** |
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77 * Destructor. |
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78 */ |
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79 IMPORT_C virtual ~CCodEngBase(); |
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80 |
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81 |
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82 public: // new methods |
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83 |
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84 /** |
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85 * Process non-Unicode buffer and set data. Character set conversion is |
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86 * applied first. Character set is auto-detected if not supplied. |
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87 * Do this first before attempting anything else. |
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88 * @param aBuf Raw COD content buffer. |
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89 * @param aStatus Completes when done. |
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90 * @param aParams Parameters or NULL. |
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91 * @param aParts If descriptor is part of a multipart/related, body |
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92 * parts of the multipart/related content. NULL if not multipart. |
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93 */ |
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94 IMPORT_C void SetL |
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95 ( |
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96 const TDesC8& aBuf, |
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97 TRequestStatus* aStatus, |
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98 const CAiwGenericParamList* aParams, |
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99 const RPointerArray<CBodyPart>* aParts |
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100 ); |
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101 |
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102 /** |
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103 * Return current COD. |
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104 * @return Current COD data. |
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105 */ |
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106 IMPORT_C const CCodData& Data() const; |
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107 |
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108 /** |
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109 * Set or unset observer (pass NULL to unset). |
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110 * Panics if already set; unsetting more is allowed. |
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111 * @param aObserver Observer to set or NULL to unset. |
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112 */ |
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113 IMPORT_C void SetObserver( MCodLoadObserver* aObserver ); |
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114 |
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115 /** |
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116 * Copy data from CCodData to CDownloadDataClient. |
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117 */ |
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118 void ConvertCodDataToDownloadDataL( CDownloadDataClient*& aDlData ); |
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119 |
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120 /** |
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121 * Copy data from CCodData to CDownloadDataClient. |
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122 */ |
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123 void ConvertMOToMediaDataL( CMediaDataClient*& aMOData, TInt aMOIndex ); |
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124 |
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125 /** |
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126 * Inform DownloadMgrClntSrv about updated CodData. |
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127 */ |
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128 void UpdateMediaInfoL(); |
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129 |
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130 /** |
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131 * Inform DownloadMgrClntSrv about updated Media Object (Track). |
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132 */ |
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133 void UpdateTrackInfoL(); |
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134 |
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135 /** |
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136 * Inform DownloadMgrClntSrv about change in Type of a content. |
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137 */ |
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138 void ContentTypeChanged(); |
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139 |
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140 public: // command handling |
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141 |
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142 /** |
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143 * Accept COD (download content, post status); |
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144 * @param aStatus Completes when done. |
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145 */ |
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146 IMPORT_C void Accept( TRequestStatus* aStatus ); |
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147 |
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148 /** |
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149 * Reject COD (don't download content, post status); |
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150 * @param aStatus Completes when done. |
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151 */ |
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152 IMPORT_C void Reject( TRequestStatus* aStatus ); |
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153 |
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154 /** |
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155 * Similar to Cancel, but further processing may be invoked (e.g. |
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156 * install-notify), so the request may not complete immediately. |
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157 * Please use this method (instead of Cancel) for user cancellation of |
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158 * downloads. Keep Cancel for error situations (final cleanup etc.) |
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159 */ |
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160 IMPORT_C void Stop(); |
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161 |
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162 public: // checking results |
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163 |
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164 /** |
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165 * Check if downloading to removable media. |
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166 * @return ETrue if downloading to removable media. |
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167 */ |
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168 IMPORT_C TBool RemovableMedia() const; |
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169 |
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170 /** |
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171 * Get path of saved content (or empty string). |
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172 * @return Path of saved content. Fits to KMaxFileName. |
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173 */ |
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174 IMPORT_C TPtrC GetPath() const; |
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175 |
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176 /** |
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177 * Get type of saved content. |
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178 * @return Type of saved content. |
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179 */ |
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180 IMPORT_C const TDataType& GetType() const; |
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181 |
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182 /** |
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183 * Get UID of handler for the saved content. |
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184 * @return Handler UID. |
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185 */ |
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186 IMPORT_C TUid GetHandler() const; |
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187 |
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188 /** |
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189 * TODO can this be removed form API? |
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190 * Get HTTP status code of last operation. Default value 900. |
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191 * @return HTTP status code. |
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192 */ |
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193 IMPORT_C TInt GetStatusCode() const; |
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194 |
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195 /** |
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196 * Get ROAP data (or NULL if no ROAP was involved). |
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197 * @return ROAP data. This is NULL if no ROAP was involved. |
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198 */ |
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199 IMPORT_C const CRoapData* GetRoapData() const; |
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200 |
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201 /** |
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202 * Set attach to download for the COD (set from the DlMgr client) |
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203 * If aValue equals to ETrue it means that file is playing progressively |
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204 */ |
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205 IMPORT_C void SetCodDlAttached(const TBool aValue); |
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206 |
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207 /** |
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208 * for Paused Download the info files are read |
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209 * Do this first before attempting anything else. |
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210 * @param aDownloadId the unique download ID |
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211 * @param aDlUid the application Uid |
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212 * @param aParams Parameters or NULL. |
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213 * @param aParts If descriptor is part of a multipart/related, body |
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214 */ |
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215 IMPORT_C void SetL |
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216 ( |
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217 const TInt aDownloadId, |
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218 const TUid aDlUid, |
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219 const RPointerArray<CBodyPart>* aParts |
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220 ); |
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221 |
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222 /** |
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223 * Start the paused download |
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224 * @param aParams, parameters from Download Manager server |
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225 * @param aStatus , active object status |
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226 */ |
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227 IMPORT_C void Start( const CAiwGenericParamList* aParams, TRequestStatus* aStatus ); |
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228 |
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229 /** |
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230 * Return current COD. |
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231 * @return Current COD data. |
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232 */ |
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233 IMPORT_C HBufC8* UpdatedDownloadDataL(); |
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234 |
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235 /** |
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236 * Return stream descriptor for single media object (track). |
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237 * @return Current COD data. |
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238 */ |
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239 IMPORT_C HBufC8* UpdatedTrackDataL(TInt& aValue); |
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240 |
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241 /** |
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242 * Get Destination file name |
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243 * @param aMOIndex media object index between 1 to 'n' |
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244 * @return NULL if index out of range |
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245 */ |
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246 IMPORT_C TPtrC GetDestFilePath (TInt aMOIndex ) const; |
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247 |
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248 /** |
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249 * Perform Pause for COD download. |
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250 */ |
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251 IMPORT_C void Pause(); |
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252 |
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253 /** |
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254 * Returns a flag saying whether or not download is pausable |
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255 * @return void |
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256 * @Added in OMA pause-resume feature |
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257 */ |
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258 IMPORT_C TBool Pausable(); |
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259 |
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260 /** |
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261 *Returns the currently Active download |
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262 * @return Index of the currently active download |
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263 */ |
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264 IMPORT_C TInt ActiveDownload( ); |
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265 |
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266 /** |
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267 * TODO can this be removed form API? |
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268 * Get HTTP status code of last operation. Default value EFailedPermanent. |
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269 * @return HTTP status code. |
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270 */ |
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271 IMPORT_C TCodDownloadProgress::TState GetProductStatusCode() const; |
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272 /** |
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273 * Check if download has Preview-only rights |
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274 * @return ETrue if download is Preview-only |
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275 */ |
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276 TBool IsDrmPreviewOnly() { return iDrmPreviewOnly; } |
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277 |
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278 /** |
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279 * Set Download descriptor for OMA 2 |
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280 */ |
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281 void SetDd2Type(TBool aIsDd2){iIsDd2 = aIsDd2;} |
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282 |
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283 /** |
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284 * Creates download info folder |
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285 * @return void |
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286 * @Added in OMA pause-resume feature |
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287 */ |
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288 void CODDownloadInfoFolder( TDes& aFolder ) const; |
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289 |
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290 /** |
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291 * Returns the download ID |
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292 * @return DownloadID |
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293 * @Added in OMA pause-resume feature |
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294 */ |
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295 TUint32 DownloadID(); |
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296 |
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297 /** |
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298 * Updates the download file path |
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299 * @return void |
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300 * @Added in OMA pause-resume feature |
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301 */ |
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302 void StoreFilePathsL(TPtr8& aBuf); |
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303 |
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304 /** |
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305 * Reads the download file path from info file |
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306 * @return void |
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307 * @Added in OMA pause-resume feature |
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308 */ |
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309 void LoadFilePathsL(RFile& aInFile); |
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310 |
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311 |
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312 /** |
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313 * Updates the pausability of the download |
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314 * @return void |
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315 * @Added in OMA pause-resume feature |
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316 */ |
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317 void SetPausable(TBool aPausable); |
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318 |
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319 /** |
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320 * |
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321 * To indicate the download is resumed and ready for PD |
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322 * @return void |
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323 * @Added in OMA pause-resume feature |
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324 */ |
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325 void SetResumePDAvailable(); |
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326 |
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327 /** |
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328 * Returns download info file path |
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329 * @return file path |
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330 * @Added in OMA pause-resume feature |
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331 */ |
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332 TFileName& CodDlInfoFile() |
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333 { |
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334 return iCodDlInfoPath; |
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335 } |
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336 |
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337 /** |
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338 * Set iUrl in CCodData |
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339 */ |
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340 void SetUrlL(const TDesC& aUrl); |
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341 |
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342 /** |
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343 * Creates the info files when Cod Engine is started |
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344 */ |
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345 void StoreInfoFilesL(); |
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346 |
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347 /** |
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348 * Creates info file for product (CCodData class) |
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349 */ |
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350 void StoreMainInfoFileL(); |
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351 |
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352 /** |
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353 * Creates info file for specified media object |
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354 */ |
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355 void StoreSubInfoFileL( const CArrayPtrFlat<CHeaderField>* aHeaders, TInt aMediaIndex ); |
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356 |
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357 /** |
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358 * Loads the CodData and MediaObjectData from info files |
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359 */ |
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360 void LoadMainInfoFileL(); |
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361 |
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362 /** |
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363 * Loads the CodData from info files |
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364 */ |
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365 void LoadInfoFilesL(); |
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366 |
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367 /** |
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368 * Updates the downloaded size in media object |
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369 */ |
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370 void UpdateDownloadedSize( TInt aSize ); |
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371 /** |
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372 * Loads the MediaObjectData from info files |
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373 */ |
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374 void LoadSubInfoFileL( TInt aMediaIndex, CArrayPtrFlat<CHeaderField>* aHeaders ); |
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375 |
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376 protected: // Constructors and destructor |
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377 |
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378 /** |
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379 * Constructor. |
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380 * @param aObserver Observer. |
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381 */ |
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382 CCodEngBase( MCodLoadObserver* aObserver ); |
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383 |
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384 /** |
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385 * Second phase constructor. Leaves on failure. |
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386 * @param aProcess Host process. |
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387 */ |
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388 void ConstructL( CEikProcess* aProcess ); |
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389 |
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390 protected: // from CActive |
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391 |
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392 /** |
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393 * Cancel protocol implementation. |
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394 */ |
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395 virtual void DoCancel(); |
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396 |
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397 /** |
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398 * Outstanding request completed. |
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399 */ |
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400 virtual void RunL(); |
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401 |
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402 /** |
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403 * Handle error. |
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404 * @param aError Error code. |
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405 * @return KErrNone. |
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406 */ |
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407 virtual TInt RunError( TInt aError ); |
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408 |
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409 protected: // NOT from MApaEmbeddedDocObserver |
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410 |
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411 /** |
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412 * Embedded document viewing has ended. |
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413 * @param aMode Exit mode (actually unused). |
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414 */ |
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415 void NotifyExit( MApaEmbeddedDocObserver::TExitMode aMode ); |
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416 |
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417 protected: // types |
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418 |
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419 enum TState ///< State. |
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420 { |
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421 EInit, ///< Initial state (no valid data set). |
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422 ESet, ///< Setting data is requested. |
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423 EReady, ///< Initial state (valid data set). |
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424 EStartInstallRoap, ///< Installing Roap trigger from DD2 |
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425 EInstallRoap, ///< RO recieved |
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426 EStartConnect, ///< Initiate connecting to network. |
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427 EConnect, ///< Connecting to network. |
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428 EStartFetch, ///< Fetching requested. |
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429 EFetch, ///< Fetching content (GET). |
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430 EStartInstall, ///< Installing content requested. |
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431 EInstall, ///< Installing content. |
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432 EStartNotify, ///< Notify requested. |
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433 ENotify, ///< Reporting status (POST). |
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434 EPause, ///< Pause state. |
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435 EMediaChange, ///<Media object change (Track Change) |
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436 EStartProductNotify, ///<Product Notify Requested |
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437 EProductNotify ///<Reporting Status (POST) |
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438 }; |
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439 |
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440 enum TNotificationStatus ///< Notification status. |
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441 { |
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442 ENull, ///< No notification. |
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443 ELoad, ///< Notified about loading. |
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444 ECancel, ///< Notified about cancelling. |
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445 EPaused ///< Notified about pause. |
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446 }; |
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447 |
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448 protected: // state machine parts |
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449 |
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450 /** |
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451 * Process buffer and set data. |
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452 */ |
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453 void SetL(); |
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454 |
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455 /** |
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456 * Initiate Roap installation. |
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457 */ |
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458 void StartInstallRoapL(); |
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459 |
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460 /** |
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461 * Roap installation ended. |
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462 */ |
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463 void EndInstallRoapL(); |
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464 |
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465 /** |
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466 * Initiate connecting to network. |
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467 */ |
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468 void StartConnectL(); |
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469 |
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470 /** |
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471 * Connecting to network ended. |
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472 */ |
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473 void EndConnectL(); |
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474 |
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475 /** |
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476 * Initiate fetching content. |
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477 */ |
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478 void StartFetchL(); |
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479 |
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480 /** |
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481 * Fetch ended. |
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482 */ |
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483 void EndFetchL(); |
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484 |
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485 /** |
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486 * Initiate installing received content (if any). |
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487 */ |
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488 void StartInstallL(); |
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489 |
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490 /** |
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491 * Installing ended. |
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492 */ |
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493 void EndInstallL(); |
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494 |
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495 /** |
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496 * Initiate notification. |
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497 */ |
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498 void StartNotifyL(); |
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499 |
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500 /** |
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501 * Notification ended. |
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502 */ |
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503 void EndNotifyL(); |
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504 |
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505 /** |
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506 *Change Media Object |
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507 */ |
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508 void ChangeMediaObjectL(); |
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509 |
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510 /** |
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511 * Clean up and notify parent. |
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512 */ |
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513 void Done(); |
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514 |
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515 /** |
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516 * Clean up and notify parent for case of dd2 with license tag. |
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517 */ |
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518 void DoneDD2(); |
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519 |
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520 /** |
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521 * Invoke next state asynchronously (via RunL()). |
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522 * @param aNextState Next state. |
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523 */ |
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524 void Continue( TState aNextState ); |
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525 |
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526 /** |
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527 * Complete own request status (if not already completed). |
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528 * @param aError Error code to complete with. |
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529 */ |
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530 void SelfComplete( TInt aError ); |
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531 |
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532 /** |
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533 *Initiate Notification for Product |
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534 */ |
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535 void StartProductNotifyL(); |
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536 |
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537 /** |
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538 *End Notification |
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539 */ |
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540 void EndProductNotifyL(); |
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541 |
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542 protected: // validity checks |
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543 |
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544 /** |
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545 * Check data (storage space, MIME type, mandatory attributes etc.) |
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546 * Leave on any errors. |
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547 */ |
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548 virtual void CheckDataL() = 0; |
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549 |
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550 /** |
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551 * Check device capabilities (MIME types, disk space) before download. |
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552 * Leaves with KMimeNotSupported, KErrCodInsufficientSpace |
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553 * (or system error codes). |
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554 */ |
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555 void CapabilityCheckL(); |
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556 |
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557 protected: // error code / status code conversion. |
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558 |
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559 /** |
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560 * Parse data buffer. |
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561 */ |
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562 virtual void ParseDataL() = 0; |
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563 |
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564 /** |
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565 * Get http status code from error code and state. This method contains |
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566 * the semantic interpretation of errors; e.g. failure to notify due |
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567 * to loss of service is regarded as success, etc. |
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568 * @param aError Error code. |
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569 * @param aState State. |
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570 * @return HTTP status code (to post). |
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571 */ |
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572 virtual TInt StatusCode( TInt aError, TState aState ) const = 0; |
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573 |
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574 /** |
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575 * Get textual representation of COD notify HTTP code. This text is |
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576 * sent back as notification. |
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577 * @param aCode HTTP code, values should only be the ones returned by |
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578 * StatusCode(). Other values panic. |
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579 * @return Textual form of HTTP code. |
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580 */ |
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581 virtual const TDesC8& StatusText( TInt aCode ) const = 0; |
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582 |
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583 protected: // from MCodSaverFactory |
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584 |
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585 /** |
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586 * Create saver object. |
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587 * @param aType Data type. |
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588 * @return Saver object for this data type. Ownership not passed. |
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589 */ |
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590 CCodSaver* CreateSaverL( const TDesC8& aType ); |
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591 |
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592 private: // implementation |
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593 |
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594 /** |
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595 * Set root and temp paths. |
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596 */ |
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597 void SetPathsL(); |
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598 |
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599 /** |
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600 * Reset paths. |
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601 */ |
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602 void ResetPaths(); |
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603 |
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604 /** |
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605 * Set file name based on the temp path file name from the url (for dd2) |
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606 */ |
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607 void SetFileNameL(); |
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608 |
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609 /** |
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610 * Append index to file name to avoid overwriting existing file |
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611 */ |
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612 void SetUniqueFileNameL(); |
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613 |
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614 #ifdef RD_MULTIPLE_DRIVE |
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615 |
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616 /** |
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617 * Query the dynamic drive list. |
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618 */ |
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619 HBufC8* QueryDynDriveListLC(); |
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620 |
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621 /** |
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622 * Query the drive list from the CentRep. |
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623 */ |
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624 void QueryDriveListL(); |
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625 #endif |
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626 |
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627 protected: // data |
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628 |
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629 /// COD Data. Owned. |
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630 CCodData* iData; |
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631 /// COD buffer. Owned. |
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632 HBufC* iCodBuf; |
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633 /// Connection. Owned. |
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634 CConnection* iConn; |
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635 /// Http loader. Owned. |
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636 CHttpLoader* iLoader; |
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637 /// Current state. |
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638 TState iState; |
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639 /// Document handler. Owned. |
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640 CDocumentHandler* iDocHandler; |
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641 /// Observer or NULL. Not owned. |
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642 MCodLoadObserver* iObserver; |
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643 /// Saver object. Owned. |
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644 CCodSaver* iSaver; |
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645 /// Parent status. |
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646 TRequestStatus* iParentStatus; |
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647 /// ETrue when Stop is in progress. |
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648 TBool iStopInProgress; |
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649 /// Preferred IAP. |
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650 TUint32 iPreferredIap; |
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651 /// File Server session. |
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652 RFs iFs; |
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653 /// Keeping track of observer notifications. |
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654 TNotificationStatus iNotificationStatus; |
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655 /// Data type of saved content. |
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656 TDataType iType; |
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657 /// Handler app UID. |
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658 TUid iHandler; |
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659 /// Saving to FS. |
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660 TBool iFsUsed; |
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661 /// Download id |
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662 TUint32 iDownloadId; |
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663 /// App UId |
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664 TUid iAppUId; |
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665 /// COD info file path |
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666 TFileName iCodDlInfoPath; |
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667 |
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668 #ifdef RD_MULTIPLE_DRIVE |
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669 /// Available memory has enough space to save the content |
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670 TBool iSpaceAvailOk; |
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671 /// Drive number that has enough space to save the content |
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672 TInt iAvailDriveSpace; |
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673 /// storage precedence from Cenrep |
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674 TBuf<KMaxDriveListStrLen> iDriveLettersCenRep; |
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675 #else |
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676 /// Saving to phone memory is OK. |
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677 TBool iPhoneMemoryOk; |
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678 /// Saving to MMC is OK. |
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679 TBool iMmcOk; |
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680 #endif |
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681 /// Paths on removable media? |
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682 TBool iRemovableMedia; |
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683 /// ROAP Data. Owned. |
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684 CRoapData* iRoapData; |
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685 /// Progress or NULL. Owned. |
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686 TCodProgress* iProgress; |
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687 /// Multipart body parts or NULL. Not owned. |
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688 const RPointerArray<CBodyPart>* iParts; |
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689 /// Parameters or NULL. Not owned. |
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690 const CAiwGenericParamList* iParams; |
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691 /// download rights are Preview-only |
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692 TBool iDrmPreviewOnly; |
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693 /// ETrue if download descriptor is DD2 (OMA v2 download descriptor) |
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694 TBool iIsDd2; |
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695 /// ETrue if DD2 has license element |
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696 TBool iIsLicense; |
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697 /// ETrue if download is attached (playing progressively) |
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698 TBool iAttached; |
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699 /// HTTP code sent in install-notify. |
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700 TInt iStatusCode; |
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701 /// Resulting error code (overall result). |
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702 TInt iResult; |
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703 /// Confirms whether content type check is done |
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704 TBool iContentTypeCheck; |
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705 //True if the download is resumed after pause |
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706 TBool iResumedDownload; |
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707 |
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708 }; |
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709 |
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710 #endif /* def COD_ENG_BASE_H */ |