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1 // Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include <mtp/cmtpobjectmetadata.h> |
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17 #include <mtp/cmtptypeobjectinfo.h> |
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18 #include <mtp/cmtptypeobjectproplist.h> |
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19 #include <mtp/mmtpdataproviderframework.h> |
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20 #include <mtp/mtpprotocolconstants.h> |
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21 #include <mtp/tmtptyperequest.h> |
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22 |
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23 #include "cmtpdataprovider.h" |
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24 #include "cmtpdataprovidercontroller.h" |
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25 #include "cmtpobjectmgr.h" |
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26 #include "cmtpparserrouter.h" |
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27 #include "cmtpsetobjectproplist.h" |
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28 #include "mtpproxydppanic.h" |
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29 #include "rmtpframework.h" |
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30 |
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31 /** |
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32 Two-phase construction method |
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33 @param aFramework The data provider framework |
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34 @param aConnection The connection from which the request comes |
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35 @return a pointer to the created request processor object |
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36 */ |
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37 MMTPRequestProcessor* CMTPSetObjectPropList::NewL(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) |
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38 { |
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39 CMTPSetObjectPropList* self = new (ELeave) CMTPSetObjectPropList(aFramework, aConnection); |
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40 CleanupStack::PushL(self); |
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41 self->ConstructL(); |
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42 CleanupStack::Pop(self); |
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43 return self; |
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44 } |
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45 |
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46 /** |
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47 Destructor |
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48 */ |
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49 CMTPSetObjectPropList::~CMTPSetObjectPropList() |
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50 { |
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51 delete iObjectPropList; |
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52 iDpList.Close(); |
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53 iSingletons.Close(); |
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54 } |
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55 |
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56 /** |
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57 Standard c++ constructor |
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58 */ |
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59 CMTPSetObjectPropList::CMTPSetObjectPropList(MMTPDataProviderFramework& aFramework, MMTPConnection& aConnection) : |
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60 CMTPRequestProcessor(aFramework, aConnection, 0, NULL) |
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61 { |
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62 |
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63 } |
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64 |
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65 /** |
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66 Second phase constructor. |
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67 */ |
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68 void CMTPSetObjectPropList::ConstructL() |
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69 { |
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70 iSingletons.OpenL(); |
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71 } |
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72 |
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73 /** |
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74 SetObjectPropList request handler |
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75 */ |
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76 void CMTPSetObjectPropList::ServiceL() |
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77 { |
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78 delete iObjectPropList; |
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79 iObjectPropList = NULL; |
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80 iObjectPropList = CMTPTypeObjectPropList::NewL(); |
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81 ReceiveDataL(*iObjectPropList); |
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82 } |
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83 |
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84 /** |
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85 Override to handle the response phase of SetObjectPropList requests |
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86 @return EFalse |
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87 */ |
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88 TBool CMTPSetObjectPropList::DoHandleResponsePhaseL() |
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89 { |
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90 iDpIdx = 0; |
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91 iPropertyIdx = 0; |
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92 iDpListCreated = EFalse; |
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93 iPropertyIdx = 0; |
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94 iDpList.Reset(); |
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95 iObjectPropList->ResetCursor(); |
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96 Reschedule(KErrNone); |
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97 return EFalse; |
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98 } |
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99 |
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100 #ifdef _DEBUG |
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101 void CMTPSetObjectPropList::ProxyReceiveDataL(MMTPType& aData, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection, TRequestStatus& aStatus) |
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102 #else |
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103 void CMTPSetObjectPropList::ProxyReceiveDataL(MMTPType& aData, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& aStatus) |
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104 #endif |
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105 { |
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106 __ASSERT_DEBUG(iRequest == &aRequest && &iConnection == &aConnection, Panic(EMTPNotSameRequestProxy)); |
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107 __ASSERT_DEBUG(aData.Type() == EMTPTypeObjectPropListDataset, Panic(EMTPInvalidDataType)); |
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108 |
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109 |
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110 CMTPTypeObjectPropList* targetObjectPropList = static_cast<CMTPTypeObjectPropList*>(&aData); |
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111 targetObjectPropList->AppendObjectPropListL(*iObjectPropList); |
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112 |
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113 TRequestStatus* status = &aStatus; |
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114 User::RequestComplete(status, KErrNone); |
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115 } |
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116 |
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117 void CMTPSetObjectPropList::ProxySendDataL(const MMTPType& /*aData*/, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& /*aStatus*/) |
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118 { |
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119 Panic(EMTPWrongRequestPhase); |
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120 } |
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121 |
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122 #ifdef _DEBUG |
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123 void CMTPSetObjectPropList::ProxySendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& aRequest, MMTPConnection& aConnection, TRequestStatus& aStatus) |
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124 #else |
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125 void CMTPSetObjectPropList::ProxySendResponseL(const TMTPTypeResponse& aResponse, const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/, TRequestStatus& aStatus) |
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126 #endif |
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127 { |
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128 __ASSERT_DEBUG(iRequest == &aRequest && &iConnection == &aConnection, Panic(EMTPNotSameRequestProxy)); |
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129 iResponseCode = static_cast<TMTPResponseCode>(aResponse.Uint16(TMTPTypeResponse::EResponseCode)); |
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130 iPropertyIdx = aResponse.Uint32(TMTPTypeResponse::EResponseParameter1); |
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131 TRequestStatus* status = &aStatus; |
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132 User::RequestComplete(status, KErrNone); |
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133 } |
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134 |
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135 #ifdef _DEBUG |
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136 void CMTPSetObjectPropList::ProxyTransactionCompleteL(const TMTPTypeRequest& aRequest, MMTPConnection& aConnection) |
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137 #else |
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138 void CMTPSetObjectPropList::ProxyTransactionCompleteL(const TMTPTypeRequest& /*aRequest*/, MMTPConnection& /*aConnection*/) |
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139 #endif |
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140 { |
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141 __ASSERT_DEBUG(iRequest == &aRequest && &iConnection == &aConnection, Panic(EMTPNotSameRequestProxy)); |
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142 const TInt KErr(iResponseCode == EMTPRespCodeOK ? KErrNone : KErrGeneral); |
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143 if (KErr == KErrNone) |
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144 { |
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145 ++iDpIdx; |
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146 } |
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147 Reschedule(KErr); |
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148 } |
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149 |
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150 void CMTPSetObjectPropList::RunL() |
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151 { |
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152 if (iStatus == KErrNone) // send request to the next dp |
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153 { |
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154 if (!iDpListCreated) |
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155 { |
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156 // Data provider list under construction. |
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157 iResponseCode = EMTPRespCodeOK; |
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158 const TUint KElementCount(iObjectPropList->NumberOfElements()); |
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159 const TUint KRunLength(32); |
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160 |
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161 for (TUint i(0); ((i < KRunLength) && (iPropertyIdx < KElementCount) && (iResponseCode == EMTPRespCodeOK)); ++i) |
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162 { |
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163 iPropertyIdx++; |
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164 CMTPTypeObjectPropListElement& element=iObjectPropList->GetNextElementL(); |
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165 const TUint32 KHandle(element.Uint32L(CMTPTypeObjectPropListElement::EObjectHandle)); |
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166 const TUint16 KPropCode(element.Uint16L(CMTPTypeObjectPropListElement::EPropertyCode)); |
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167 CMTPParserRouter::TRoutingParameters params(*iRequest, iConnection); |
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168 params.SetParam(CMTPParserRouter::TRoutingParameters::EParamObjectHandle, KHandle); |
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169 params.SetParam(CMTPParserRouter::TRoutingParameters::EParamObjectPropCode, KPropCode); |
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170 |
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171 CMTPObjectMetaData* meta(CMTPObjectMetaData::NewLC()); |
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172 if (!iSingletons.ObjectMgr().ObjectL(KHandle, *meta)) |
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173 { |
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174 // Invalid object handle. |
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175 iResponseCode = EMTPRespCodeInvalidObjectHandle; |
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176 } |
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177 else |
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178 { |
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179 RArray<TUint> targets; |
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180 CleanupClosePushL(targets); |
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181 iSingletons.Router().RouteOperationRequestL(params, targets); |
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182 __ASSERT_DEBUG((targets.Count() <= 1), User::Invariant()); |
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183 if (targets.Count() == 1) |
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184 { |
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185 iDpList.InsertInOrder(targets[0]); |
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186 } |
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187 else |
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188 { |
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189 // Unsupported object propertycode. |
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190 iResponseCode = EMTPRespCodeObjectPropNotSupported; |
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191 } |
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192 CleanupStack::PopAndDestroy(&targets); |
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193 } |
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194 CleanupStack::PopAndDestroy(meta); |
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195 |
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196 if (iResponseCode != EMTPRespCodeOK) |
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197 { |
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198 // If an error occurs at this point then no properties have been updated. |
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199 iPropertyIdx = 0; |
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200 iDpList.Reset(); |
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201 } |
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202 } |
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203 if ((iPropertyIdx < KElementCount) && (iResponseCode == EMTPRespCodeOK)) |
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204 { |
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205 Reschedule(KErrNone); |
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206 } |
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207 else |
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208 { |
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209 iDpListCreated = ETrue; |
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210 } |
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211 } |
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212 |
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213 if (iDpListCreated) |
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214 { |
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215 if (iDpIdx < iDpList.Count()) |
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216 { |
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217 iSingletons.DpController().DataProviderL(iDpList[iDpIdx]).ExecuteProxyRequestL(Request(), Connection(), *this); |
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218 } |
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219 else |
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220 { |
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221 SendResponseL(iResponseCode, 1, &iPropertyIdx); |
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222 } |
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223 } |
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224 } |
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225 else |
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226 { |
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227 if (!iDpListCreated) |
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228 { |
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229 /* |
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230 If an error occurs prior to starting the proxy transaction cycles |
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231 then no properties have been updated. |
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232 */ |
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233 iPropertyIdx = 0; |
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234 } |
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235 |
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236 if (iResponseCode == EMTPRespCodeOK) |
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237 { |
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238 iResponseCode = EMTPRespCodeGeneralError; |
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239 } |
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240 SendResponseL(iResponseCode, 1, &iPropertyIdx); |
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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 Reschedules the active object with the specified completion code. |
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246 @param aError The asynchronous request completion code. |
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247 */ |
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248 void CMTPSetObjectPropList::Reschedule(TInt aError) |
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249 { |
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250 SetActive(); |
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251 TRequestStatus* status = &iStatus; |
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252 User::RequestComplete(status, aError); |
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253 } |