1 /* |
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2 * Copyright (c) 2009 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:Implements Symbian functionality to get message pdu details. |
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15 * |
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16 */ |
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17 #include "msgcharcounter_p.h" |
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18 |
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19 #include <smuthdr.h> |
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20 #include <gsmuset.h> |
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21 #include <gsmumsg.h> |
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22 #include <txtetext.h> |
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23 #include <txtrich.h> |
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24 |
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25 #include "msgcharcounter.h" |
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26 #include "s60qconversions.h" |
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27 |
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28 enum MsgCharSupport |
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29 { |
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30 msgCharSupportFull = 0, msgCharSupportReduced |
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31 }; |
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32 |
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33 // --------------------------------------------------------------------------- |
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34 // Default Constructor ( 1st phase ) |
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35 // --------------------------------------------------------------------------- |
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36 // |
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37 MsgCharCounterPrivate::MsgCharCounterPrivate(MsgCharCounter *msgCharCounter) : |
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38 q_ptr(msgCharCounter) |
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39 { |
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40 // No implementation required |
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41 } |
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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 // |
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47 MsgCharCounterPrivate::~MsgCharCounterPrivate() |
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48 { |
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49 q_ptr = NULL; |
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50 |
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51 if (mParaFormatLayer) |
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52 { |
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53 delete mParaFormatLayer; |
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54 mParaFormatLayer = NULL; |
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55 } |
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56 |
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57 if (mCharFormatLayer) |
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58 { |
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59 delete mCharFormatLayer; |
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60 mCharFormatLayer = NULL; |
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61 } |
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62 |
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63 if (mRichText) |
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64 { |
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65 delete mRichText; |
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66 mRichText = NULL; |
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67 } |
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68 |
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69 if (mSmsHeader) |
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70 { |
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71 delete mSmsHeader; |
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72 mSmsHeader = NULL; |
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73 } |
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74 } |
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75 |
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76 // --------------------------------------------------------------------------- |
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77 // Two-phased constructor. |
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78 // --------------------------------------------------------------------------- |
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79 // |
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80 MsgCharCounterPrivate* MsgCharCounterPrivate::newL( |
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81 MsgCharCounter *msgCharCounter) |
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82 { |
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83 MsgCharCounterPrivate* self = new (ELeave) MsgCharCounterPrivate( |
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84 msgCharCounter); |
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85 CleanupStack::PushL(self); |
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86 self->constructL(); |
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87 CleanupStack::Pop(); // self; |
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88 return self; |
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89 } |
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90 |
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91 // --------------------------------------------------------------------------- |
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92 // EPOC default constructor for performing 2nd stage construction |
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93 // --------------------------------------------------------------------------- |
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94 // |
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95 void MsgCharCounterPrivate::constructL() |
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96 { |
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97 mParaFormatLayer = CParaFormatLayer::NewL(); |
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98 mCharFormatLayer = CCharFormatLayer::NewL(); |
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99 mRichText = CRichText::NewL(mParaFormatLayer, mCharFormatLayer); |
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100 |
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101 mSmsHeader = CSmsHeader::NewL(CSmsPDU::ESmsSubmit, *mRichText); |
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102 } |
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103 |
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104 // --------------------------------------------------------------------------- |
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105 // To Set encoding settings like encoding type, character support and |
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106 // alternative encoding if any. |
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107 // --------------------------------------------------------------------------- |
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108 // |
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109 void MsgCharCounterPrivate::setEncodingSettings(bool unicodeMode, |
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110 int alternativeEncodingType, int charSupportType) |
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111 { |
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112 TSmsUserDataSettings smsSettings; |
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113 CSmsMessage& smsMsg = mSmsHeader->Message(); |
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114 |
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115 mUnicodeMode = unicodeMode; |
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116 mCharSupportType = charSupportType; |
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117 mAlternativeEncodingType = (TSmsEncoding) alternativeEncodingType; |
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118 |
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119 if (mUnicodeMode) |
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120 { |
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121 smsSettings.SetAlphabet(TSmsDataCodingScheme::ESmsAlphabetUCS2); |
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122 } |
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123 else |
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124 { |
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125 smsSettings.SetAlphabet(TSmsDataCodingScheme::ESmsAlphabet7Bit); |
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126 } |
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127 smsSettings.SetTextCompressed(EFalse); |
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128 smsMsg.SetUserDataSettingsL(smsSettings); |
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129 //First try without any alternate encoding |
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130 smsMsg.SetAlternative7bitEncoding(ESmsEncodingNone); |
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131 } |
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132 |
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133 // --------------------------------------------------------------------------- |
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134 // To get PDU Info: extracts details of number of PDUs, number of remaining |
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135 // chars in last PDU and encoding types used. |
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136 // --------------------------------------------------------------------------- |
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137 // |
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138 void MsgCharCounterPrivate::getNumPDUs(const QString &buf, |
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139 int &numOfRemainingChars, int &numOfPDUs, bool &unicodeMode, |
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140 int &alternativeEncodingType) |
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141 { |
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142 TInt numOfUnconvChars; |
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143 TInt numOfDowngradedChars; |
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144 TInt isAltEncSupported; |
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145 TSmsEncoding currentAlternativeEncodingType; |
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146 |
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147 CSmsMessage& smsMsg = mSmsHeader->Message(); |
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148 |
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149 // need to set the input buffer to SMS buffer through iRichText |
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150 // (which is reference to SMS Buffer object) |
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151 HBufC* buffer = S60QConversions::qStringToS60Desc(buf); |
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152 CleanupStack::PushL(buffer); |
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153 mRichText->Reset(); |
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154 mRichText->InsertL(0, *buffer); |
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155 |
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156 //call SMS stack API to get PDU info |
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157 smsMsg.GetEncodingInfoL(numOfPDUs, numOfUnconvChars, numOfDowngradedChars, |
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158 numOfRemainingChars); |
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159 |
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160 //Algo to switch to Unicode if required |
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161 while ( (numOfUnconvChars || numOfDowngradedChars) && !mUnicodeMode) |
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162 { |
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163 currentAlternativeEncodingType = smsMsg.Alternative7bitEncoding(); |
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164 if (currentAlternativeEncodingType != mAlternativeEncodingType) |
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165 { |
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166 //try with this new alternative encoding type |
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167 isAltEncSupported = smsMsg.SetAlternative7bitEncoding( |
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168 mAlternativeEncodingType); |
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169 if (isAltEncSupported == KErrNotSupported) |
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170 { |
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171 // if required alternative encoding plugin is not supported, |
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172 // retain the existing encoding mechanism. |
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173 mAlternativeEncodingType = currentAlternativeEncodingType; |
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174 continue; |
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175 } |
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176 } |
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177 else if (numOfUnconvChars || (MsgCharSupport) mCharSupportType |
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178 == msgCharSupportFull) |
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179 { |
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180 //switch to Unicode |
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181 //mUnicodeMode = ETrue; |
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182 setEncodingSettings(ETrue, ESmsEncodingNone, mCharSupportType); |
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183 } |
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184 else |
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185 { |
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186 //Get out of while loop and return the results |
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187 break; |
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188 } |
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189 //get the PDU info with new settings |
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190 mRichText->Reset(); |
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191 mRichText->InsertL(0, *buffer); |
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192 smsMsg.GetEncodingInfoL(numOfPDUs, numOfUnconvChars, |
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193 numOfDowngradedChars, numOfRemainingChars); |
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194 } // end of while |
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195 |
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196 CleanupStack::PopAndDestroy(buffer); |
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197 unicodeMode = mUnicodeMode; |
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198 alternativeEncodingType = mAlternativeEncodingType; |
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199 if (mUnicodeMode) |
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200 { |
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201 // In case of Unicode mode, SMS Stack returns number of available free |
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202 // User Data units. Need to convert them w.r.t characters. |
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203 // Each char takse 2 UD units. |
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204 numOfRemainingChars = numOfRemainingChars / 2; |
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205 } |
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206 } |
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207 |
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208 //EOF |
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