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1 /* |
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2 * Copyright (c) 2006-2007 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: Copies signals changes between network and local media |
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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 #ifndef C_CDUNSIGNALCOPY_H |
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20 #define C_CDUNSIGNALCOPY_H |
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21 |
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22 #include "DunTransporter.h" |
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23 #include "DunTransUtils.h" |
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24 #include "DunAtCmdHandler.h" |
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25 |
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26 /** |
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27 * Class for copying signal changes between to endpoints |
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28 * |
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29 * @lib dunutils.lib |
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30 * @since S60 v3.2 |
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31 */ |
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32 NONSHARABLE_CLASS( CDunSignalCopy ) : public CActive |
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33 { |
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34 |
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35 public: |
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36 |
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37 /** |
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38 * Two-phased constructor. |
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39 * @return Instance of self |
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40 */ |
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41 static CDunSignalCopy* NewL(); |
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42 |
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43 /** |
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44 * Destructor. |
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45 */ |
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46 virtual ~CDunSignalCopy(); |
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47 |
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48 /** |
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49 * Resets data to initial values |
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50 * |
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51 * @since S60 3.2 |
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52 * @return None |
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53 */ |
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54 void ResetData(); |
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55 |
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56 /** |
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57 * Adds callback for line status change controlling |
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58 * The callback will be called when RunL error is detected |
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59 * |
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60 * @since S60 3.2 |
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61 * @param aCallback Callback to call when line status changes |
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62 * @return Symbian error code on error, KErrNone otherwise |
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63 */ |
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64 TInt AddCallback( MDunConnMon* aCallback ); |
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65 |
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66 /** |
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67 * Adds callback for endpoint readiness |
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68 * The callback will be called when the endpoint is ready or not ready |
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69 * |
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70 * @since S60 5.0 |
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71 * @param aEPCallback Callback to call when writes can/can't be done |
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72 * @return Symbian error code on error, KErrNone otherwise |
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73 */ |
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74 TInt AddEndpointReadyCallback( MDunEndpointReady* aEPCallback ); |
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75 |
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76 /** |
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77 * Sets media to use for this endpoint monitor |
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78 * |
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79 * @since S60 3.2 |
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80 * @param aComm RComm pointer to local media side |
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81 * @param aNetwork RComm pointer to network side |
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82 * @param aStreamType Stream type for this endpoint |
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83 * @return Symbian error code on error, KErrNone otherwise |
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84 */ |
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85 TInt SetMedia( RComm* aComm, |
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86 RComm* aNetwork, |
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87 TDunStreamType aStreamType ); |
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88 |
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89 /** |
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90 * Issues request to start monitoring the endpoint for line status change |
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91 * |
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92 * @since S60 3.2 |
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93 * @return Symbian error code on error, KErrNone otherwise |
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94 */ |
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95 TInt IssueRequest(); |
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96 |
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97 /** |
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98 * Stops monitoring the endpoint for line status change |
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99 * |
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100 * @since S60 3.2 |
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101 * @return Symbian error code on error, KErrNone otherwise |
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102 */ |
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103 TInt Stop(); |
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104 |
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105 private: |
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106 |
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107 CDunSignalCopy(); |
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108 |
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109 void ConstructL(); |
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110 |
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111 /** |
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112 * Initializes this class |
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113 * |
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114 * @since S60 3.2 |
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115 * @return None |
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116 */ |
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117 void Initialize(); |
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118 |
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119 /** |
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120 * Manages upstream signal changes |
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121 * |
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122 * @since S60 3.2 |
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123 * @return None |
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124 */ |
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125 void ManageSignalChange(); |
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126 |
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127 /** |
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128 * Manages signal changes |
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129 * |
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130 * @since S60 3.2 |
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131 * @return None |
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132 */ |
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133 void ManageSignalChangeUpstream(); |
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134 |
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135 /** |
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136 * Manages downstream signal changes |
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137 * |
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138 * @since S60 3.2 |
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139 * @return None |
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140 */ |
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141 void ManageSignalChangeDownstream(); |
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142 |
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143 /** |
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144 * Changes upstream signal |
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145 * |
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146 * @since S60 5.0 |
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147 * @param aSetMask Set the handshaking lines in the mask |
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148 * @param aClearMask Clear the handshaking lines in the mask |
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149 * @return None |
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150 */ |
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151 void ChangeUpstreamSignal( TUint aSetMask, TUint aClearMask ); |
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152 |
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153 /** |
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154 * Changes downstream signal |
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155 * |
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156 * @since S60 3.2 |
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157 * @param aSetMask Set the handshaking lines in the mask |
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158 * @param aClearMask Clear the handshaking lines in the mask |
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159 * @return None |
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160 */ |
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161 void ChangeDownstreamSignal( TUint aSetMask, TUint aClearMask ); |
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162 |
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163 /** |
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164 * Reports endpoint ready or not ready |
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165 * |
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166 * @since S60 5.0 |
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167 * @param aReady ETrue if endpoint ready, EFalse otherwise |
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168 * @return None |
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169 */ |
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170 void ReportEndpointReady( TBool aReady ); |
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171 |
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172 // from base class CActive |
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173 |
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174 /* |
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175 * From CActive. |
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176 * Gets called when line status changes |
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177 * |
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178 * @since S60 3.2 |
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179 * @return None |
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180 */ |
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181 void RunL(); |
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182 |
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183 /** |
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184 * From CActive. |
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185 * Gets called on cancel |
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186 * |
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187 * @since S60 3.2 |
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188 * @return None |
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189 */ |
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190 void DoCancel(); |
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191 |
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192 private: // data |
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193 |
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194 /** |
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195 * Callback(s) to call when notification(s) via MDunConnMon to be made |
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196 * Normally contains only one callback |
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197 */ |
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198 RPointerArray<MDunConnMon> iCallbacks; |
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199 |
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200 /** |
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201 * Callback(s) to call when notification(s) via MDunEndpointReady to be made |
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202 * Normally contains only one callback for upstream |
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203 */ |
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204 RPointerArray<MDunEndpointReady> iERCallbacks; |
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205 |
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206 /** |
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207 * Callback(s) to call when command mode starts or ends |
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208 * Usually two needed: one for upstream and second for downstream |
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209 */ |
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210 RPointerArray<MDunCmdModeMonitor> iCmdCallbacks; |
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211 |
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212 /** |
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213 * Used media context: network or local |
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214 */ |
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215 TDunMediaContext iContextInUse; |
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216 |
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217 /** |
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218 * Used stream type: upstream or downstream |
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219 */ |
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220 TDunStreamType iStreamType; |
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221 |
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222 /** |
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223 * Current state of connection monitoring: active or inactive |
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224 */ |
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225 TDunState iSignalCopyState; |
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226 |
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227 /** |
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228 * Signal to listen with RComm::NotifySignalChange() |
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229 */ |
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230 TUint iListenSignals; |
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231 |
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232 /** |
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233 * Signals set when RComm::NotifySignalChange() request completes |
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234 */ |
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235 TUint iSignals; |
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236 |
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237 /** |
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238 * RComm object of network side |
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239 * Not own. |
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240 */ |
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241 RComm* iNetwork; |
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242 |
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243 /** |
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244 * RComm object of local media side |
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245 * Not own. |
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246 */ |
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247 RComm* iComm; |
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248 |
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249 }; |
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250 |
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251 #endif // C_CDUNSIGNALCOPY_H |