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1 /* |
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2 * Copyright (c) 2003-2007 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: ?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 // INCLUDE FILES |
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20 |
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21 #include "InlineTextCompositeSource.h" |
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22 |
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23 // MODULE TEMPLATES |
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24 |
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25 |
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26 // MODULE DATA STRUCTURES |
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27 |
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28 _LIT( KBadCharacter, " " ); |
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29 |
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30 // ============================ MEMBER FUNCTIONS =============================== |
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31 |
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32 |
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33 EXPORT_C CInlineTextCompositeSource* CInlineTextCompositeSource::NewL() |
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34 { |
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35 CInlineTextCompositeSource* self = new (ELeave) CInlineTextCompositeSource(); |
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36 CleanupStack::PushL( self ); |
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37 self->ConstructL(); |
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38 CleanupStack::Pop(); |
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39 return self; |
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40 } |
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41 |
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42 CInlineTextCompositeSource::~CInlineTextCompositeSource() |
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43 { |
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44 // delete the pointed-to objects because this object owns them |
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45 if (iInlineTextSourceArray) |
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46 iInlineTextSourceArray->ResetAndDestroy(); |
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47 delete iInlineTextSourceArray; |
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48 } |
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49 |
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50 EXPORT_C void CInlineTextCompositeSource::InstallInlineTextSourceL( CInlineTextSource* aInlineTextSource ) |
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51 { |
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52 if ( aInlineTextSource ) |
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53 iInlineTextSourceArray->AppendL( aInlineTextSource ); |
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54 } |
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55 |
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56 |
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57 TInt CInlineTextCompositeSource::GetNextInlineTextPosition( |
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58 const TTmDocPos& aFrom, |
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59 TInt aMaxLength, |
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60 TTmDocPos& aNext) |
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61 { |
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62 TInt retValue = KErrNotFound; |
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63 |
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64 // For now, call CheckFormattingL() at the top of each |
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65 TTmDocPos to( aFrom.iPos + aMaxLength - 1, EFalse ); |
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66 if ( to < aFrom ) |
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67 { |
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68 to = aFrom; // Makes at least a legal, if zero containing, range |
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69 } |
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70 TRAP_IGNORE( CheckFormattingL( aFrom, to ) ); |
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71 |
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72 // The individual formatters are requested and the minimum position is returned |
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73 TTmDocPos minDocPos(aFrom); |
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74 minDocPos.iPos += ( aMaxLength + 2); // Ensure it is bigger than legal |
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75 |
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76 TInt count = iInlineTextSourceArray->Count(); |
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77 for ( TInt i = 0; i < count; i++ ) |
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78 { |
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79 TTmDocPos thisNextPos; |
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80 TInt err = iInlineTextSourceArray->At(i) |
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81 ->GetNextInlineTextPosition( aFrom, aMaxLength, thisNextPos ); |
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82 if ( err == KErrNone ) // one has been found |
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83 { |
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84 if ( thisNextPos < minDocPos ) |
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85 { |
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86 minDocPos = thisNextPos; |
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87 retValue = KErrNone; |
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88 } |
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89 } |
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90 } |
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91 if ( retValue == KErrNone ) |
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92 aNext = minDocPos; |
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93 return retValue; |
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94 } |
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95 |
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96 // |
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97 // |
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98 TPtrC CInlineTextCompositeSource::GetInlineText(const TTmDocPos& aAt) |
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99 { |
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100 TInt count = iInlineTextSourceArray->Count(); |
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101 for ( TInt i = 0; i < count; i++ ) |
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102 { |
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103 TPtrC retPtr; |
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104 if ( iInlineTextSourceArray->At(i)->HasInlineTextAt( aAt, retPtr ) ) |
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105 return retPtr; |
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106 } |
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107 |
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108 #ifdef _DEBUG |
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109 TBuf<80> buf; |
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110 buf.Format( _L("Bad fetch of inline text at Pos: %d Trailing/Leading: %d"), |
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111 aAt.iPos, |
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112 aAt.iLeadingEdge ); |
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113 RDebug::Print( buf ); |
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114 |
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115 __ASSERT_DEBUG( EFalse, Panic( EInlineTextBadInlineTextFetch ) ); |
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116 #endif |
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117 |
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118 return KBadCharacter(); |
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119 |
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120 } |
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121 |
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122 // |
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123 // Formatting notification is just passed to all inline text formatters |
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124 // |
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125 void CInlineTextCompositeSource::CheckFormattingL( |
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126 const TTmDocPos& aFrom, const TTmDocPos& aTo ) |
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127 { |
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128 TInt count = iInlineTextSourceArray->Count(); |
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129 for ( TInt i = 0; i < count; i++ ) |
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130 { |
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131 iInlineTextSourceArray->At(i)->CheckFormattingL( aFrom, aTo ); |
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132 } |
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133 } |
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134 |
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135 CInlineTextCompositeSource::CInlineTextCompositeSource() |
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136 {} |
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137 |
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138 void CInlineTextCompositeSource::ConstructL() |
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139 { |
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140 iInlineTextSourceArray = new (ELeave) CInlineTextSourceArray(1); // Unit granularity |
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141 } |
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142 |
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143 void CInlineTextCompositeSource::EditObserver( TInt aStart, TInt aExtent ) |
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144 { |
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145 TInt count = iInlineTextSourceArray->Count(); |
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146 for ( TInt i = 0; i < count; i++ ) |
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147 { |
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148 iInlineTextSourceArray->At(i)->EditObserver( aStart, aExtent ); |
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149 } |
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150 } |
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151 |
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152 // End of File |