1 /** @file |
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2 * Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: CUpnpResolveHandler |
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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 #include "upnpresolvehandler.h" |
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20 #include "upnppathresolver.h" |
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21 #include "upnppathelement.h" |
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22 |
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23 #include "upnpavcpmanager.h" |
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24 #include "upnpavcontrolpoint.h" |
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25 |
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26 |
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27 #include "upnpstring.h" |
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28 |
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29 #include "upnpavcpenginehelper.h" |
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30 #include "upnpmdebug.h" |
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31 using namespace UpnpAVCPEngine; |
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32 |
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33 // ============================ MEMBER FUNCTIONS =============================== |
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34 |
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35 // ----------------------------------------------------------------------------- |
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36 // CUpnpResolveHandler::NewL |
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37 // Two-phased constructor. |
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38 // ----------------------------------------------------------------------------- |
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39 // |
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40 CUpnpResolveHandler* CUpnpResolveHandler::NewL(CUpnpAVCPManager& aAVCPManager, CUpnpPathResolver& aResolver, MUpnpResolverObserver& aObserver) |
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41 { |
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42 CUpnpResolveHandler* self = new( ELeave ) CUpnpResolveHandler(aAVCPManager,aResolver, aObserver); |
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43 |
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44 CleanupStack::PushL( self ); |
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45 self->ConstructL(); |
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46 CleanupStack::Pop( self ); |
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47 |
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48 return self; |
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49 } |
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50 |
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51 // ----------------------------------------------------------------------------- |
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52 // CUpnpResolveHandler::CUpnpResolveHandler |
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53 // C++ default constructor can NOT contain any code, that |
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54 // might leave. |
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55 // ----------------------------------------------------------------------------- |
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56 // |
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57 CUpnpResolveHandler::CUpnpResolveHandler(CUpnpAVCPManager& aAVCPManager, |
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58 CUpnpPathResolver& aResolver, |
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59 MUpnpResolverObserver& aObserver): |
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60 iAVCPManager(aAVCPManager), |
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61 iResolver(aResolver), |
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62 iObserver(aObserver), |
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63 iPathIndex(-1) |
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64 { |
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65 } |
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66 |
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67 // ----------------------------------------------------------------------------- |
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68 // CUpnpResolveHandler::~CUpnpResolveHandler |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 CUpnpResolveHandler::~CUpnpResolveHandler() |
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72 { |
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73 iResolver.RemoveHandler(this); |
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74 |
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75 delete iPath; |
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76 delete iLastId; |
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77 iPathElements.ResetAndDestroy(); |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CUpnpResolveHandler::ConstructL |
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82 // ----------------------------------------------------------------------------- |
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83 // |
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84 void CUpnpResolveHandler::ConstructL() |
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85 { |
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86 } |
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87 |
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88 // ----------------------------------------------------------------------------- |
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89 // CUpnpResolveHandler::SessionId |
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90 // ----------------------------------------------------------------------------- |
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91 // |
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92 TInt CUpnpResolveHandler::SessionId() |
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93 { |
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94 return iSessionId; |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CUpnpResolveHandler::ResolveL |
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99 // ----------------------------------------------------------------------------- |
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100 // |
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101 void CUpnpResolveHandler::ResolveL(const TDesC8& aPath) |
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102 { |
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103 |
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104 delete iPath; |
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105 iPath = NULL; |
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106 |
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107 iPath = aPath.AllocL(); |
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108 DEBUGSTRING8(("\tCResolveHandler::ResolveL %S", iPath)); |
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109 |
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110 UpnpAVCPEngine::ParsePathToElementsL(iPath->Des(),iPathElements); |
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111 |
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112 DEBUGSTRING8(("\tCount of path elements %d", iPathElements.Count())); |
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113 if (iPathElements.Count() == 0 || (iPathElements.Count() == 1 && iPathElements[0]->Length() == 0)) |
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114 { |
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115 CUpnpPathElement* elem = CUpnpPathElement::NewL(); |
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116 CleanupStack::PushL(elem); |
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117 elem->SetIdL(KRootId()); |
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118 elem->SetNameL(KRootName()); |
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119 |
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120 iObserver.ResolvedIdL(KErrNone, elem); |
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121 CleanupStack::PopAndDestroy(elem); |
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122 delete this; |
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123 } |
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124 else |
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125 { |
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126 iPathIndex = 0; |
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127 iLastId = KRootId().AllocL(); |
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128 iResolver.LockReset(); |
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129 CheckNextElementL(); |
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130 } |
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131 } |
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132 |
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133 |
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134 // ----------------------------------------------------------------------------- |
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135 // CUpnpResolveHandler::CheckNextElementL |
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136 // ----------------------------------------------------------------------------- |
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137 // |
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138 void CUpnpResolveHandler::CheckNextElementL(TBool aSendAction) |
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139 { |
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140 DEBUGSTRING8(("\tCheckNextElementL %d", aSendAction)); |
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141 CUpnpPathElement* element = iResolver.GetElementL(*iLastId,*iPathElements[iPathIndex]); |
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142 |
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143 if (element) |
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144 { |
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145 |
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146 iPathIndex++; |
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147 |
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148 delete iLastId; |
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149 iLastId = NULL; |
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150 |
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151 iLastId = element->Id().AllocL(); |
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152 DEBUGSTRING8(("\tFind element for index %d with id %S", iPathIndex,iLastId)); |
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153 if (iPathIndex == iPathElements.Count() ) |
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154 { |
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155 iObserver.ResolvedIdL(KErrNone, element); |
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156 iResolver.UnlockReset(); |
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157 delete this; |
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158 } |
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159 else |
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160 { |
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161 CheckNextElementL(); |
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162 } |
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163 } |
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164 else if (aSendAction) |
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165 { |
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166 DEBUGSTRING8(("\tSend browse action for %S", iLastId)); |
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167 iSessionId = iAVCPManager.CdsBrowseActionL(iResolver.UUID(),*iLastId, KBrowseDirectChildren, KDefaultBrowseFilter, iStartIndex, KRequestedCountLimit, KNullDesC8); |
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168 DEBUGSTRING8(("\tSend browse action for %S with session id %d", iLastId, iSessionId)); |
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169 iAVCPManager.RegisterForAction(*this); |
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170 } |
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171 else |
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172 { |
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173 iObserver.ResolvedIdL(KErrNotFound, NULL); |
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174 iResolver.UnlockReset(); |
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175 delete this; |
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176 } |
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177 |
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178 } |
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179 |
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180 // ----------------------------------------------------------------------------- |
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181 // CUpnpResolveHandler::Interpret |
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182 // ----------------------------------------------------------------------------- |
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183 // |
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184 void CUpnpResolveHandler::InterpretL(TInt aErrorCode, CUpnpAction* aAction) |
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185 { |
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186 DEBUGSTRING(("\tInterpret %d", aErrorCode)); |
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187 if (aErrorCode == EHttp200Ok) |
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188 { |
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189 |
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190 TInt startIndex = StrToIntL( aAction->ArgumentValue( KStartingIndex ) ); |
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191 TInt requestCount = StrToIntL( aAction->ArgumentValue( KRequestedCount ) ); |
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192 |
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193 TInt numberReturned = StrToIntL( aAction->ArgumentValue( KNumberReturned ) ); |
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194 TInt totalMatches = StrToIntL( aAction->ArgumentValue( KTotalMatches ) ); |
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195 |
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196 iResolver.ParseBrowseResponseL(aAction->ArgumentValue( KResult )); |
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197 |
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198 if ( startIndex+numberReturned < totalMatches) |
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199 { |
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200 iStartIndex += KRequestedCountLimit; |
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201 iSessionId = iAVCPManager.CdsBrowseActionL(iResolver.UUID(),*iLastId, KBrowseDirectChildren, KDefaultBrowseFilter, iStartIndex, KRequestedCountLimit, KNullDesC8); |
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202 iAVCPManager.RegisterForAction(*this); |
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203 } |
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204 else |
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205 { |
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206 CheckNextElementL(EFalse); |
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207 } |
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208 |
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209 } |
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210 else |
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211 { |
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212 iObserver.ResolvedIdL(KErrNotFound, NULL); |
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213 iResolver.UnlockReset(); |
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214 delete this; |
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215 } |
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216 } |
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217 |
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218 // ----------------------------------------------------------------------------- |
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219 // CUpnpResolveHandler::RunError |
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220 // ----------------------------------------------------------------------------- |
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221 // |
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222 void CUpnpResolveHandler::RunError(TInt aErrorCode) |
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223 { |
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224 DEBUGSTRING(("\tRunError %d", aErrorCode)); |
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225 TRAP_IGNORE( iObserver.ResolvedIdL(KErrNotFound, NULL) ); |
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226 delete this; |
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227 } |
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228 |
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229 // End of File |
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