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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: This class implements duration timer for calls. |
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15 * |
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16 */ |
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17 |
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18 |
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19 // INCLUDE FILES |
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20 #include "mccecallobserver.h" |
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21 #include "mcceconferencecallobserver.h" |
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22 #include "cccedurationtimer.h" |
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23 #include "cccelogger.h" |
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24 |
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25 // ================= MEMBER FUNCTIONS ======================= |
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26 |
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27 // --------------------------------------------------------- |
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28 // CCCEDurationTimer::CCCEDurationTimer |
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29 // C++ default constructor can NOT contain any code, that |
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30 // might leave. |
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31 // --------------------------------------------------------- |
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32 // |
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33 CCCEDurationTimer::CCCEDurationTimer() |
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34 { |
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35 iObserver = NULL; |
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36 iConferenceCallObserver = NULL; |
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37 iActive = EFalse; |
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38 iNumberOfBeats = 0; |
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39 iStartTime = 0; |
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40 iAirTimeDuration = EFalse; |
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41 } |
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42 |
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43 // --------------------------------------------------------- |
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44 // CCCEDurationTimer::ConstructL |
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45 // Symbian 2nd phase constructor can leave. |
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46 // --------------------------------------------------------- |
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47 // |
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48 void CCCEDurationTimer::ConstructL() |
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49 { |
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50 iHeartbeat = CHeartbeat::NewL( CActive::EPriorityStandard ); |
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51 } |
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52 |
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53 // ----------------------------------------------------------------------------- |
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54 // CCCEDurationTimer::NewL |
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55 // Two-phased constructor. |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 CCCEDurationTimer* CCCEDurationTimer::NewL() |
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59 { |
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60 CCCEDurationTimer* runner = new (ELeave) CCCEDurationTimer(); |
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61 CleanupStack::PushL( runner ); |
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62 runner->ConstructL(); |
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63 CleanupStack::Pop( runner ); |
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64 |
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65 return runner; |
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66 } |
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67 |
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68 // --------------------------------------------------------- |
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69 // CCCEDurationTimer::~CCCEDurationTimer |
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70 // Destructor. |
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71 // --------------------------------------------------------- |
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72 // |
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73 CCCEDurationTimer::~CCCEDurationTimer() |
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74 { |
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75 iObserver = NULL; |
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76 iConferenceCallObserver = NULL; |
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77 |
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78 if ( iHeartbeat ) |
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79 { |
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80 //stop calling Beat... |
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81 iHeartbeat->Cancel(); |
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82 } |
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83 delete iHeartbeat; |
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84 } |
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85 |
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86 // --------------------------------------------------------- |
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87 // CCCEDurationTimer::SetObserver |
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88 // --------------------------------------------------------- |
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89 // |
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90 void CCCEDurationTimer::SetObserver( MCCECallObserver* aObserver ) |
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91 { |
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92 iObserver = aObserver; |
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93 } |
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94 |
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95 // --------------------------------------------------------- |
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96 // CCCEDurationTimer::SetObserver |
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97 // --------------------------------------------------------- |
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98 // |
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99 void CCCEDurationTimer::SetConferenceObserver( MCCEConferenceCallObserver* aObserver ) |
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100 { |
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101 iConferenceCallObserver = aObserver; |
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102 } |
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103 |
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104 // ----------------------------------------------------------------------------- |
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105 // CCCEDurationTimer::Start |
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106 // Overload to resetting iNumberOfBeats |
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107 // |
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108 // ----------------------------------------------------------------------------- |
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109 // |
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110 void CCCEDurationTimer::Start() |
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111 { |
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112 Start(0); |
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113 |
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114 } |
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115 |
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116 // ----------------------------------------------------------------------------- |
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117 // CCCEDurationTimer::Start |
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118 // if timer is not already active |
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119 // set iStarTime to current time |
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120 // set iNumberOfBeats to aBeatsOffset |
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121 // start timer |
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122 // set value ETrue to iActive |
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123 // |
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124 // (other items were commented in a header). |
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125 // ----------------------------------------------------------------------------- |
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126 // |
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127 void CCCEDurationTimer::Start(TInt aBeatsOffset) |
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128 { |
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129 //Check if active |
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130 if ( !iActive ) |
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131 { |
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132 //Initialize iStartime |
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133 iStartTime.HomeTime(); |
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134 //Clear number of beats |
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135 iNumberOfBeats = aBeatsOffset; |
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136 //Timer tick is on the second |
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137 iHeartbeat->Start( ETwelveOClock, this ); |
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138 //Set flag to indicate that timer is active |
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139 iActive = ETrue; |
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140 //Set flag to indicate that air time duration counter is not started |
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141 iAirTimeDuration = EFalse; |
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142 } |
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143 |
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144 } |
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145 |
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146 // ----------------------------------------------------------------------------- |
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147 // ----------------------------------------------------------------------------- |
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148 // |
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149 void CCCEDurationTimer::RestartAirTimeDuration(TInt aBeatsOffset) |
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150 { |
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151 //Check if active |
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152 if ( !iActive ) |
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153 { |
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154 // Set number of beats |
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155 iNumberOfBeats = aBeatsOffset; |
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156 //Timer tick is on the second |
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157 iHeartbeat->Start( ETwelveOClock, this ); |
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158 //Set flag to indicate that timer is active |
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159 iActive = ETrue; |
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160 //Set flag to indicate that air time duration counter is started |
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161 iAirTimeDuration = ETrue; |
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162 } |
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163 } |
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164 |
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165 // ----------------------------------------------------------------------------- |
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166 // CCCEDurationTimer::StartAirTimeDuration |
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167 // if timer is not already active |
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168 // set iStarTime to current time |
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169 // start timer |
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170 // set value ETrue to iActive |
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171 // set value ETrue to iAirTimeDuration |
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172 // |
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173 // (other items were commented in a header). |
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174 // ----------------------------------------------------------------------------- |
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175 // |
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176 void CCCEDurationTimer::StartAirTimeDuration() |
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177 { |
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178 //Check if active |
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179 if ( !iActive ) |
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180 { |
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181 //Initialize iStartime |
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182 iStartTime.HomeTime(); |
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183 // Clear number of beats |
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184 iNumberOfBeats = 0; |
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185 //Timer tick is on the second |
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186 iHeartbeat->Start( ETwelveOClock, this ); |
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187 //Set flag to indicate that timer is active |
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188 iActive = ETrue; |
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189 //Set flag to indicate that air time duration counter is started |
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190 iAirTimeDuration = ETrue; |
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191 } |
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192 } |
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193 |
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194 // ----------------------------------------------------------------------------- |
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195 // CCCEDurationTimer::StartTime |
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196 // Returns current date and time object. |
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197 // (other items were commented in a header). |
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198 // ----------------------------------------------------------------------------- |
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199 // |
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200 TDateTime CCCEDurationTimer::StartTime() |
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201 { |
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202 return iStartTime.DateTime(); |
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203 } |
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204 |
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205 // ----------------------------------------------------------------------------- |
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206 // CCCEDurationTimer::Stop |
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207 // Stops timer |
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208 // |
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209 // store iActive in ret boolean |
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210 // if timer is active |
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211 // reset iStartTime |
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212 // stop timer. |
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213 // set value EFalse to iActive |
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214 // return ret |
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215 // (other items were commented in a header). |
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216 // ----------------------------------------------------------------------------- |
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217 // |
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218 TBool CCCEDurationTimer::Stop() |
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219 { |
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220 TBool ret = iActive; |
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221 |
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222 //Check if active |
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223 if ( iActive ) |
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224 { |
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225 //Reset iStartTime |
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226 iStartTime = 0; |
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227 //Cancel beat method calling |
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228 iHeartbeat->Cancel(); |
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229 //Set flag to indicate that timer is not active |
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230 iActive = EFalse; |
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231 } |
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232 |
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233 return ret; |
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234 } |
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235 |
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236 // ----------------------------------------------------------------------------- |
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237 // CCCEDurationTimer::Beat |
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238 // Beat is called once every second. If iMmCall is not null |
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239 // (timer is used for calculating the duration of a call), the method |
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240 // CompleteNotifyCallDurationChange is called. The iNumberOfBeats is |
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241 // increased to count the amount of seconds passed from the starting |
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242 // of the timer. |
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243 // (other items were commented in a header). |
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244 // ----------------------------------------------------------------------------- |
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245 // |
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246 void CCCEDurationTimer::Beat() |
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247 { |
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248 iNumberOfBeats++; |
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249 |
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250 // If iOwner is NOT null, this timer is used to count call duration. |
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251 if ( iObserver ) |
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252 { |
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253 //complete notify duration change, 1 sec gone |
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254 iObserver->CallDurationChanged( iNumberOfBeats ); |
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255 } |
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256 |
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257 // If iOwner is NOT null, this timer is used to count call duration. |
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258 if ( iConferenceCallObserver ) |
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259 { |
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260 //complete notify duration change, 1 sec gone |
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261 iConferenceCallObserver->CallDurationChanged( iNumberOfBeats ); |
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262 } |
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263 } |
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264 |
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265 // ----------------------------------------------------------------------------- |
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266 // CCCEDurationTimer::NumberOfBeats |
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267 // Returns number of beats from the previous Start of the timer. |
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268 // (other items were commented in a header). |
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269 // ----------------------------------------------------------------------------- |
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270 // |
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271 |
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272 TInt CCCEDurationTimer::NumberOfBeats() const |
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273 { |
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274 return iNumberOfBeats; |
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275 } |
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276 |
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277 // ----------------------------------------------------------------------------- |
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278 // CCCEDurationTimer::Reset |
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279 // Sets the number of beats to zero |
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280 // (other items were commented in a header). |
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281 // ----------------------------------------------------------------------------- |
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282 // |
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283 void CCCEDurationTimer::Reset() |
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284 { |
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285 iNumberOfBeats = 0; |
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286 } |
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287 |
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288 // ----------------------------------------------------------------------------- |
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289 // CCCEDurationTimer::Synchronize |
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290 // This methods is called when synchronization is lost (the |
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291 // method Beat couldn't be called). It calculates the number |
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292 // of seconds passed after the start of the timer and assigns |
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293 // it to iNumberOfBeats |
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294 // |
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295 // if this is not air time duration counter |
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296 // initialize local variables |
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297 // get current home time |
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298 // increase value of number of beats by one because at least one beat is |
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299 // missing |
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300 // calculate difference of current home time and timer start time in |
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301 // seconds and save result in secondsFromStart |
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302 // if secondsFromStart is positive |
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303 // calculate difference of number of beats and secondsFromStart and |
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304 // save result in timeDifference |
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305 // if timeDifference is less than 10 |
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306 // correct the deviation and set secondsFromStart in number of |
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307 // beats |
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308 // (other items were commented in a header). |
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309 // ----------------------------------------------------------------------------- |
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310 // |
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311 void CCCEDurationTimer::Synchronize() |
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312 { |
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313 const TInt tenSeconds = 10; |
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314 |
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315 //we can't synchronize if this is air time duration counter |
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316 if ( !iAirTimeDuration ) |
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317 { |
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318 TInt timeDifference( 0 ); |
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319 //get the correct time |
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320 TTime currentTime; |
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321 currentTime.HomeTime(); |
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322 |
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323 TTimeIntervalSeconds secondsFromStart( 0 ); |
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324 |
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325 //At least one beat is now missing |
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326 iNumberOfBeats++; |
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327 |
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328 //calculate the amount of seconds that should be |
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329 currentTime.SecondsFrom( iStartTime, secondsFromStart ); |
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330 |
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331 //calculate difference of iNumberOfBeats and secondsFromStart |
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332 if ( 0 <= secondsFromStart.Int() ) |
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333 { |
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334 if ( secondsFromStart.Int() > iNumberOfBeats ) |
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335 { |
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336 timeDifference = secondsFromStart.Int() - iNumberOfBeats; |
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337 } |
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338 else if ( secondsFromStart.Int() < iNumberOfBeats ) |
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339 { |
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340 timeDifference = iNumberOfBeats - secondsFromStart.Int(); |
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341 } |
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342 |
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343 //correct the deviation only if time difference is less than 10 |
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344 //seconds |
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345 if ( timeDifference < tenSeconds ) |
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346 { |
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347 iNumberOfBeats = secondsFromStart.Int(); |
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348 } |
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349 } |
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350 } |
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351 } |
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352 |
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353 // End of File |