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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 // Name : CSdpMediaAttributeStrategy.cpp |
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15 // Part of : SIP Client Resolver |
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16 // Version : 1.0 |
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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 #include "CSdpMediaAttributeStrategy.h" |
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22 #include "MSipClients.h" |
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23 #include "MSipClient.h" |
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24 #include "sdpdocument.h" |
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25 #include "sdpmediafield.h" |
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26 #include "sdpattributefield.h" |
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27 #include "sdpcodecstringconstants.h" |
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28 #include "sdpcodecstringpool.h" |
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29 |
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30 // ---------------------------------------------------------------------------- |
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31 // CSdpMediaAttributeStrategy::NewLC |
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32 // ---------------------------------------------------------------------------- |
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33 // |
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34 CSdpMediaAttributeStrategy* CSdpMediaAttributeStrategy::NewLC( |
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35 const MSipClients& aSipClients) |
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36 { |
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37 CSdpMediaAttributeStrategy* self = |
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38 new(ELeave)CSdpMediaAttributeStrategy(aSipClients); |
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39 CleanupStack::PushL(self); |
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40 self->ConstructL(); |
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41 return self; |
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42 } |
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43 |
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44 // ---------------------------------------------------------------------------- |
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45 // CSdpMediaAttributeStrategy::CSdpMediaAttributeStrategy |
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46 // ---------------------------------------------------------------------------- |
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47 // |
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48 CSdpMediaAttributeStrategy::CSdpMediaAttributeStrategy( |
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49 const MSipClients& aSipClients) |
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50 : CSdpStrategyBase(aSipClients) |
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51 { |
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52 } |
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53 |
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54 // ---------------------------------------------------------------------------- |
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55 // CSdpMediaAttributeStrategy::ConstructL |
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56 // ---------------------------------------------------------------------------- |
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57 // |
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58 void CSdpMediaAttributeStrategy::ConstructL() |
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59 { |
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60 CSdpStrategyBase::ConstructL(); |
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61 } |
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62 |
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63 // ---------------------------------------------------------------------------- |
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64 // CSdpMediaAttributeStrategy::~CSdpMediaAttributeStrategy |
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65 // ---------------------------------------------------------------------------- |
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66 // |
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67 CSdpMediaAttributeStrategy::~CSdpMediaAttributeStrategy () |
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68 { |
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69 } |
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70 |
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71 // ---------------------------------------------------------------------------- |
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72 // CSdpMediaAttributeStrategy::ApplyL |
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73 // ---------------------------------------------------------------------------- |
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74 // |
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75 CSIPResponse* CSdpMediaAttributeStrategy::ApplyL( |
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76 CSdpDocument& aDocument, |
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77 RArray<TUid>& aUids) |
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78 { |
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79 RArray<TUid> uids; |
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80 CleanupClosePushL(uids); |
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81 |
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82 for (TInt i=0; i<aUids.Count(); i++) |
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83 { |
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84 uids.AppendL(aUids[i]); |
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85 } |
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86 |
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87 for (TInt i=uids.Count()-1; i>=0; i--) |
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88 { |
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89 MSipClient* client = iSipClients.GetByUID(uids[i]); |
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90 if (client) |
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91 { |
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92 if (!Match(aDocument,*client)) |
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93 { |
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94 uids.Remove(i); |
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95 } |
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96 } |
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97 } |
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98 |
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99 if (uids.Count() > 0) |
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100 { |
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101 aUids.Reset(); |
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102 for (TInt i=0; i<uids.Count(); i++) |
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103 { |
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104 aUids.AppendL(uids[i]); |
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105 } |
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106 } |
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107 |
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108 CleanupStack::PopAndDestroy(&uids); |
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109 return NULL; |
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110 } |
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111 |
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112 // ---------------------------------------------------------------------------- |
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113 // CSdpMediaAttributeStrategy::Match |
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114 // ---------------------------------------------------------------------------- |
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115 // |
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116 TBool CSdpMediaAttributeStrategy::Match( |
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117 CSdpDocument& aDocument, |
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118 MSipClient& aClient) |
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119 { |
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120 RPointerArray<CSdpMediaField>& clientMedias = |
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121 aClient.SdpDocument().MediaFields(); |
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122 |
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123 RPointerArray<CSdpMediaField>& receivedMedias = |
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124 aDocument.MediaFields(); |
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125 |
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126 for (TInt i=0; i < receivedMedias.Count(); i++) |
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127 { |
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128 CSdpMediaField* receivedMedia = receivedMedias[i]; |
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129 for (TInt j=0; j < clientMedias.Count(); j++) |
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130 { |
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131 CSdpMediaField* clientMedia = clientMedias[j]; |
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132 if (HasMatchingAttribute(*receivedMedia,*clientMedia)) |
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133 { |
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134 return ETrue; |
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135 } |
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136 } |
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137 } |
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138 |
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139 return EFalse; |
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140 } |
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141 |
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142 // ---------------------------------------------------------------------------- |
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143 // CSdpMediaAttributeStrategy::HasMatchingAttribute |
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144 // ---------------------------------------------------------------------------- |
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145 // |
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146 TBool CSdpMediaAttributeStrategy::HasMatchingAttribute( |
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147 CSdpMediaField& aReceivedMedia, |
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148 CSdpMediaField& aClientMedia) |
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149 { |
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150 if (aReceivedMedia.Media() != aClientMedia.Media()) |
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151 { |
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152 return EFalse; |
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153 } |
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154 |
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155 const RPointerArray<CSdpAttributeField>& clientAttributes = |
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156 aClientMedia.AttributeFields(); |
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157 |
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158 const RPointerArray<CSdpAttributeField>& receivedAttributes = |
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159 aReceivedMedia.AttributeFields(); |
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160 |
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161 for (TInt i=0; i < clientAttributes.Count(); i++) |
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162 { |
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163 for (TInt j=0; j < receivedAttributes.Count(); j++) |
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164 { |
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165 if (*clientAttributes[i] == *receivedAttributes[j]) |
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166 { |
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167 return ETrue; |
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168 } |
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169 } |
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170 } |
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171 |
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172 return EFalse; |
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173 } |