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1 /* |
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2 * Copyright (c) 2005-2007 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: Transaction base class |
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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 "transaction.h" |
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20 #include "transactionelement.h" |
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21 #include "transactionfactory.h" |
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22 #include "xmluicontrollerpanic.h" |
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23 |
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24 // ============================ MEMBER FUNCTIONS =============================== |
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25 |
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26 using namespace AiXmlUiController; |
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27 |
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28 CTransaction::CTransaction() |
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29 : iTransactionElements(CTransactionElement::LinkOffset()) |
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30 { |
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31 } |
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32 |
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33 CTransaction* CTransaction::NewL() |
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34 { |
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35 CTransaction* self = new( ELeave ) CTransaction; |
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36 |
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37 return self; |
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38 } |
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39 |
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40 CTransaction::~CTransaction() |
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41 { |
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42 __ASSERT_DEBUG( iTransactionElements.IsEmpty(), Panic( ETransactionElementListNotEmpty ) ); |
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43 } |
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44 |
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45 TInt CTransaction::Id() const |
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46 { |
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47 return iTxId; |
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48 } |
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49 |
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50 void CTransaction::Initialize(TInt aTxId) |
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51 { |
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52 iTxId = aTxId; |
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53 } |
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54 |
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55 void CTransaction::Append(MTransactionElement& aElement ) |
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56 { |
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57 iTransactionElements.AddLast(dynamic_cast<CTransactionElement&>(aElement)); |
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58 } |
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59 |
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60 void CTransaction::CommitL( TBool& aLayoutChanged, RPropertyHashMap& aPropertyHashMap ) |
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61 { |
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62 aLayoutChanged = EFalse; |
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63 |
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64 if ( iTransactionElements.IsEmpty() ) |
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65 { |
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66 // Nothing to do |
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67 return; |
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68 } |
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69 |
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70 // Initialize iterator |
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71 TDblQueIter<CTransactionElement> iter( iTransactionElements ); |
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72 iter.SetToFirst(); |
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73 |
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74 // Commit transaction elements |
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75 while ( iter ) |
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76 { |
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77 // Commit element and advance iterator |
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78 (iter++)->CommitL( aLayoutChanged, aPropertyHashMap ); |
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79 } |
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80 } |
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81 |
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82 void CTransaction::Reset(MTransactionFactory& aFactory) |
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83 { |
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84 Deque(); |
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85 iTxId = 0; |
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86 |
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87 TDblQueIter<CTransactionElement> iter( iTransactionElements ); |
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88 iter.SetToFirst(); |
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89 |
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90 while ( iter ) |
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91 { |
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92 CTransactionElement* element = iter++; |
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93 aFactory.ReleaseTransactionElement( element ); |
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94 } |
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95 |
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96 __ASSERT_DEBUG( iTransactionElements.IsEmpty(), Panic( ETransactionElementListNotEmpty ) ); |
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97 } |
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98 |
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99 TDblQueIter<CTransactionElement> CTransaction::ElementIter() |
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100 { |
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101 TDblQueIter<CTransactionElement> iter( iTransactionElements ); |
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102 iter.SetToFirst(); |
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103 return iter; |
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104 } |
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105 |
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106 void CTransaction::Deque() |
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107 { |
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108 iLink.Deque(); |
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109 } |
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110 |
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111 // End of File |