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1 /* |
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2 * Copyright (c) 2005 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: |
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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 |
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20 |
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21 #include "mcesrvstreamiterator.h" |
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22 #include "mcecommediastream.h" |
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23 #include "mcecommediasource.h" |
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24 #include "mcecommediasink.h" |
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25 #include "mcesrvendpoint.h" |
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26 #include "mceevents.h" |
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27 #include "mcecomendpointproxy.h" |
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28 #include "mcecomcodec.h" |
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29 |
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30 |
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31 // ============================ MEMBER FUNCTIONS =============================== |
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32 |
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33 |
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34 // ----------------------------------------------------------------------------- |
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35 // TMceSrvStreamIterator::TMceSrvStreamIterator |
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36 // ----------------------------------------------------------------------------- |
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37 // |
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38 TMceSrvStreamIterator::TMceSrvStreamIterator( const RPointerArray<CMceSrvStream>& aStreams ) |
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39 : iStreams( aStreams ), |
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40 iDirection( EZero ), |
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41 iStream( NULL ), |
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42 iEndpoint( NULL ), |
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43 iCodec( NULL ), |
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44 iCurrentIndex( 0 ), |
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45 iUseProxyMatch( EFalse ) |
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46 { |
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47 } |
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48 |
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49 |
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50 // ----------------------------------------------------------------------------- |
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51 // TMceSrvStreamIterator::TMceSrvStreamIterator |
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52 // ----------------------------------------------------------------------------- |
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53 // |
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54 TMceSrvStreamIterator::TMceSrvStreamIterator( const RPointerArray<CMceSrvStream>& aStreams, |
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55 TDirection aDirection ) |
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56 : iStreams( aStreams ), |
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57 iDirection( aDirection ), |
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58 iStream( NULL ), |
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59 iEndpoint( NULL ), |
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60 iCodec( NULL ), |
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61 iCurrentIndex( 0 ), |
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62 iUseProxyMatch( EFalse ) |
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63 { |
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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 // TMceSrvStreamIterator::TMceSrvStreamIterator |
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69 // ----------------------------------------------------------------------------- |
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70 // |
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71 TMceSrvStreamIterator::TMceSrvStreamIterator( const RPointerArray<CMceSrvStream>& aStreams, |
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72 const CMceComMediaStream& aStream ) |
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73 : iStreams( aStreams ), |
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74 iDirection( EZero ), |
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75 iStream( &aStream ), |
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76 iEndpoint( NULL ), |
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77 iCodec( NULL ), |
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78 iCurrentIndex( 0 ), |
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79 iUseProxyMatch( EFalse ) |
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80 { |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // TMceSrvStreamIterator::TMceSrvStreamIterator |
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85 // ----------------------------------------------------------------------------- |
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86 // |
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87 TMceSrvStreamIterator::TMceSrvStreamIterator( const RPointerArray<CMceSrvStream>& aStreams, |
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88 const CMceComEndpoint& aEndpoint, |
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89 TBool aUseProxyMatch, |
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90 TDirection aDirection, |
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91 const CMceComCodec* aCodec ) |
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92 : iStreams( aStreams ), |
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93 iDirection( aDirection ), |
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94 iStream( NULL ), |
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95 iEndpoint( &aEndpoint ), |
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96 iCodec( aCodec ), |
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97 iCurrentIndex( 0 ), |
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98 iUseProxyMatch( aUseProxyMatch ) |
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99 { |
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100 } |
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101 |
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102 // ----------------------------------------------------------------------------- |
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103 // TMceSrvStreamIterator::TMceSrvStreamIterator |
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104 // ----------------------------------------------------------------------------- |
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105 // |
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106 TMceSrvStreamIterator::TMceSrvStreamIterator( const RPointerArray<CMceSrvStream>& aStreams, |
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107 const CMceComCodec& aCodec ) |
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108 : iStreams( aStreams ), |
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109 iDirection( EZero ), |
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110 iStream( NULL ), |
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111 iEndpoint( NULL ), |
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112 iCodec( &aCodec ), |
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113 iCurrentIndex( 0 ), |
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114 iUseProxyMatch( EFalse ) |
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115 { |
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116 } |
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117 |
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118 |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // TMceSrvStreamIterator::Next |
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122 // ----------------------------------------------------------------------------- |
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123 // |
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124 TBool TMceSrvStreamIterator::Next( CMceSrvStream*& aCandidate, |
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125 TMceMccComEvent& aRecipient, |
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126 TStreamStateMatchType aMatchType ) |
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127 |
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128 { |
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129 CMceSrvStream* next = NULL; |
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130 TBool eof = EFalse; |
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131 while ( !eof && Next( next, aMatchType ) ) |
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132 { |
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133 eof = next->Consumes( aRecipient ); |
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134 next = eof ? next : NULL; |
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135 } |
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136 |
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137 aCandidate = next; |
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138 return aCandidate ? ETrue : EFalse; |
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139 |
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140 } |
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141 |
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142 // ----------------------------------------------------------------------------- |
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143 // TMceSrvStreamIterator::Next |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 TBool TMceSrvStreamIterator::Next( CMceSrvStream*& aCandidate, |
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147 CMceSrvStream& aClone, |
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148 TStreamStateMatchType aMatchType ) |
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149 { |
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150 CMceSrvStream* next = NULL; |
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151 TBool eof = EFalse; |
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152 while ( !eof && Next( next, aMatchType ) ) |
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153 { |
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154 eof = next->IsEqual( aClone ); |
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155 next = eof ? next : NULL; |
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156 } |
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157 |
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158 aCandidate = next; |
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159 return aCandidate ? ETrue : EFalse; |
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160 |
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161 } |
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162 |
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163 |
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164 // ----------------------------------------------------------------------------- |
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165 // TMceSrvStreamIterator::NextIntersect |
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166 // ----------------------------------------------------------------------------- |
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167 // |
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168 TBool TMceSrvStreamIterator::NextIntersect( CMceSrvStream*& aCandidate, |
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169 TMceSrvStreamIterator& aSet, |
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170 CMceSrvStream*& aSetIntersect ) |
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171 { |
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172 |
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173 CMceSrvStream* intersect = NULL; |
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174 aSetIntersect = NULL; |
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175 |
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176 while( !aSetIntersect && Next( intersect ) ) |
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177 { |
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178 aSet.Reset(); |
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179 aSet.Next( aSetIntersect, *intersect ); |
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180 } |
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181 |
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182 intersect = aSetIntersect ? intersect : NULL; |
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183 |
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184 aCandidate = intersect; |
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185 return aCandidate ? ETrue : EFalse; |
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186 |
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187 } |
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188 |
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189 // ----------------------------------------------------------------------------- |
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190 // TMceSrvStreamIterator::NextComplement |
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191 // ----------------------------------------------------------------------------- |
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192 // |
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193 TBool TMceSrvStreamIterator::NextComplement( CMceSrvStream*& aCandidate, |
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194 TMceSrvStreamIterator& aSet ) |
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195 { |
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196 TBool found = EFalse; |
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197 |
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198 CMceSrvStream* complement = NULL; |
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199 |
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200 while( !found && Next( complement ) ) |
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201 { |
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202 aSet.Reset(); |
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203 CMceSrvStream* c = NULL; |
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204 found = !aSet.Next( c, *complement ); |
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205 } |
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206 |
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207 aCandidate = complement; |
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208 return aCandidate ? ETrue : EFalse; |
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209 |
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210 } |
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211 |
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212 |
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213 // ----------------------------------------------------------------------------- |
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214 // TMceSrvStreamIterator::Next |
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215 // ----------------------------------------------------------------------------- |
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216 // |
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217 TBool TMceSrvStreamIterator::Next( |
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218 CMceSrvStream*& aCandidate, |
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219 CMceSrvStream::TState aState, |
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220 TMceSrvStreamIterator::TStreamStateMatchType aMatchType ) |
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221 { |
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222 CMceSrvStream* next = NULL; |
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223 TBool eof = EFalse; |
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224 |
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225 while ( !eof && Next( next ) ) |
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226 { |
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227 TBool condition = ETrue; |
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228 TBool negation = ETrue; |
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229 switch( aMatchType ) |
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230 { |
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231 case ExactMatch: |
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232 { |
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233 condition = next->State() == aState; |
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234 negation = EFalse; |
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235 break; |
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236 } |
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237 case ExactReverseMatch: |
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238 { |
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239 condition = next->State() == aState; |
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240 negation = ETrue; |
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241 break; |
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242 } |
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243 case GreaterOrEqualMatch: |
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244 { |
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245 condition = next->State() >= aState; |
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246 negation = EFalse; |
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247 break; |
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248 } |
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249 case GreaterOrEqualReverseMatch: |
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250 { |
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251 condition = next->State() >= aState; |
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252 negation = ETrue; |
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253 break; |
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254 } |
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255 } |
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256 eof = ( ( negation && !condition ) || |
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257 ( !negation && condition ) ); |
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258 next = eof ? next : NULL; |
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259 } |
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260 |
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261 aCandidate = next; |
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262 return aCandidate ? ETrue : EFalse; |
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263 |
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264 } |
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265 |
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266 |
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267 // ----------------------------------------------------------------------------- |
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268 // TMceSrvStreamIterator::Current |
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269 // ----------------------------------------------------------------------------- |
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270 // |
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271 TInt TMceSrvStreamIterator::Current() |
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272 { |
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273 TInt current = KErrNotFound; |
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274 |
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275 if ( iStreams.Count() > 0 ) |
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276 { |
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277 current = iCurrentIndex-1; |
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278 current = current < 0 ? 0 : current; |
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279 } |
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280 return current; |
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281 |
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282 } |
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283 |
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284 // ----------------------------------------------------------------------------- |
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285 // TMceSrvStreamIterator::Remove |
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286 // ----------------------------------------------------------------------------- |
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287 // |
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288 TInt TMceSrvStreamIterator::Remove( RPointerArray<CMceSrvStream>& aStreams ) |
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289 { |
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290 TInt current = Current(); |
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291 |
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292 if ( current != KErrNotFound ) |
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293 { |
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294 aStreams.Remove( current ); |
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295 iCurrentIndex = current; |
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296 } |
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297 |
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298 return current; |
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299 |
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300 } |
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301 |
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302 |
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303 // ----------------------------------------------------------------------------- |
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304 // TMceSrvStreamIterator::IsEof |
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305 // ----------------------------------------------------------------------------- |
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306 // |
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307 TBool TMceSrvStreamIterator::IsEof() |
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308 { |
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309 return iStreams.Count() == 0 || iCurrentIndex >= iStreams.Count(); |
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310 } |
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311 |
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312 // ----------------------------------------------------------------------------- |
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313 // TMceSrvStreamIterator::Direction |
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314 // ----------------------------------------------------------------------------- |
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315 // |
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316 TMceSrvStreamIterator::TDirection TMceSrvStreamIterator::Direction() |
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317 { |
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318 return iDirection; |
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319 } |
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320 |
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321 // ----------------------------------------------------------------------------- |
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322 // TMceSrvStreamIterator::Next |
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323 // ----------------------------------------------------------------------------- |
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324 // |
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325 TBool TMceSrvStreamIterator::Next( |
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326 CMceSrvStream*& aCandidate, |
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327 TMceSrvStreamIterator::TStreamStateMatchType aMatchType ) |
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328 |
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329 { |
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330 CMceSrvStream* next = NULL; |
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331 TBool negation = aMatchType == ExactMatch ? EFalse : ETrue; |
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332 |
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333 while( !next && !IsEof() ) |
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334 { |
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335 CMceSrvStream* srvStream = iStreams[ iCurrentIndex ]; |
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336 TBool condition = EFalse; |
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337 |
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338 if ( iEndpoint ) |
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339 { |
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340 condition = srvStream->EndpointMatch( *iEndpoint, iUseProxyMatch ); |
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341 if ( condition && iCodec ) |
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342 { |
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343 condition = srvStream->Codec().Decodes( |
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344 iCodec->iSdpName, iCodec->FmtpAttr() ); |
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345 } |
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346 |
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347 if ( condition && ( iDirection != EZero || iCodec ) ) |
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348 { |
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349 condition = DoDirectionMatch( *srvStream ); |
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350 } |
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351 } |
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352 else if ( iDirection != EZero ) |
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353 { |
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354 condition = DoDirectionMatch( *srvStream ); |
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355 } |
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356 else if ( iStream ) |
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357 { |
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358 condition = srvStream->Data().Id() == iStream->Id(); |
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359 } |
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360 else if ( iCodec ) |
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361 { |
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362 condition = &srvStream->Codec() == iCodec; |
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363 } |
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364 else |
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365 { |
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366 condition = ETrue; |
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367 } |
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368 next = ( ( negation && !condition ) || |
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369 ( !negation && condition ) ) ? srvStream : NULL; |
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370 |
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371 iCurrentIndex++; |
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372 } |
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373 |
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374 aCandidate = next; |
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375 return aCandidate ? ETrue : EFalse; |
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376 |
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377 } |
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378 |
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379 |
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380 |
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381 // ----------------------------------------------------------------------------- |
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382 // TMceSrvStreamIterator::Reset |
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383 // ----------------------------------------------------------------------------- |
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384 // |
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385 void TMceSrvStreamIterator::Reset() |
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386 { |
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387 iCurrentIndex = 0; |
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388 } |
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389 |
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390 // ----------------------------------------------------------------------------- |
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391 // TMceSrvStreamIterator::DoDirectionMatch |
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392 // ----------------------------------------------------------------------------- |
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393 // |
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394 TBool TMceSrvStreamIterator::DoDirectionMatch( CMceSrvStream& aSrvStream ) |
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395 { |
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396 TBool condition( ETrue ); |
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397 CMceComMediaStream::TStreamType type = aSrvStream.Data().iStreamType; |
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398 switch( iDirection ) |
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399 { |
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400 case ELocal: |
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401 { |
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402 condition = type == CMceComMediaStream::ELocalStream; |
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403 break; |
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404 } |
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405 case ESendOrReceive: |
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406 { |
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407 condition = type != CMceComMediaStream::ELocalStream; |
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408 break; |
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409 } |
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410 case ESend: |
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411 { |
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412 condition = ( type == CMceComMediaStream::ESendOnlyStream || |
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413 type == CMceComMediaStream::ESendStream ); |
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414 break; |
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415 } |
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416 case EReceive: |
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417 { |
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418 condition = ( type == CMceComMediaStream::EReceiveOnlyStream || |
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419 type == CMceComMediaStream::EReceiveStream ); |
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420 break; |
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421 } |
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422 case EReceiveOrLocal: |
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423 { |
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424 condition = ( type == CMceComMediaStream::EReceiveOnlyStream || |
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425 type == CMceComMediaStream::EReceiveStream || |
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426 type == CMceComMediaStream::ELocalStream ); |
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427 break; |
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428 } |
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429 case ESendOrLocal: |
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430 { |
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431 condition = ( type == CMceComMediaStream::ESendOnlyStream || |
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432 type == CMceComMediaStream::ESendStream || |
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433 type == CMceComMediaStream::ELocalStream ); |
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434 break; |
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435 } |
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436 default://EAny |
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437 { |
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438 condition = ETrue; |
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439 break; |
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440 } |
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441 } |
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442 return condition; |
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443 } |
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444 |