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1 // Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // This file contains the header file of the CSmsBuffers. |
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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 @file |
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20 */ |
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21 |
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22 #ifndef __GSMUBUF_H__ |
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23 #define __GSMUBUF_H__ |
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24 |
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25 #include <e32std.h> |
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26 #include <s32strm.h> |
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27 |
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28 class CEditableText; |
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29 class RReadStream; |
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30 class RWriteStream; |
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31 |
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32 |
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33 /** |
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34 * The base class for all SMS buffers. |
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35 * @publishedAll |
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36 * @released |
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37 */ |
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38 class CSmsBufferBase : public CBase |
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39 { |
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40 public: |
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41 enum |
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42 { |
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43 EMaxBufLength=0x100 |
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44 }; |
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45 public: |
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46 /** |
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47 * Gets the number of characters in the buffer. |
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48 * |
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49 * @return The number of characters in the buffer. |
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50 */ |
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51 virtual TInt Length() const=0; |
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52 /** |
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53 * Extracts buffer data to a descriptor. |
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54 * |
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55 * @param aBuf On return, buffer data |
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56 * @param aPos Position within buffer to begin reading |
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57 * @param aLength The number of bytes to read from the buffer |
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58 */ |
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59 virtual void Extract(TDes& aBuf,TInt aPos,TInt aLength) const=0; |
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60 /** |
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61 * Inserts data into the buffer. |
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62 * |
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63 * @param aPos Position in the buffer to insert the data |
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64 * @param aBuf The data to insert into the buffer |
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65 */ |
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66 virtual void InsertL(TInt aPos,const TDesC& aBuf)=0; |
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67 /** |
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68 * Deletes data from the buffer. |
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69 * |
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70 * @param aPos Position in the buffer to delete the data |
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71 * @param aLength The number of bytes to delete from the buffer |
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72 */ |
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73 virtual void DeleteL(TInt aPos,TInt aLength)=0; |
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74 /** Resets the buffer. */ |
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75 virtual void Reset()=0; |
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76 IMPORT_C void InternalizeL(RReadStream& aStream); |
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77 IMPORT_C void ExternalizeL(RWriteStream& aStream) const; |
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78 }; |
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79 |
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80 |
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81 /** |
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82 * This is the simplest implementation of CSmsBufferBase. |
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83 * |
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84 * It stores the buffer in an array of TTexts. |
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85 * @publishedAll |
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86 * @released |
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87 */ |
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88 class CSmsBuffer : public CSmsBufferBase |
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89 { |
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90 public: |
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91 IMPORT_C static CSmsBuffer* NewL(); |
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92 IMPORT_C ~CSmsBuffer(); |
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93 IMPORT_C TInt Length() const; |
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94 IMPORT_C void Extract(TDes& aBuf,TInt aPos,TInt aLength) const; |
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95 IMPORT_C void InsertL(TInt aPos,const TDesC& aBuf); |
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96 IMPORT_C void DeleteL(TInt aPos,TInt aLength); |
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97 IMPORT_C void Reset(); |
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98 private: |
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99 CSmsBuffer(); |
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100 private: |
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101 |
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102 CArrayFix<TText>* iBuffer; |
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103 }; |
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104 |
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105 |
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106 /** |
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107 * SMS buffer, implemented as a thin wrapper over CEditableText. |
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108 * |
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109 * This class is designed to be used by the Message Server, which stores SMS |
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110 * text as CRichText, which is derived from CEditableText. |
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111 * @publishedAll |
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112 * @released |
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113 */ |
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114 class CSmsEditorBuffer : public CSmsBufferBase |
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115 { |
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116 public: |
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117 IMPORT_C static CSmsEditorBuffer* NewL(CEditableText& aText); |
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118 IMPORT_C ~CSmsEditorBuffer(); |
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119 IMPORT_C TInt Length() const; |
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120 IMPORT_C void Extract(TDes& aBuf,TInt aPos,TInt aLength) const; |
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121 IMPORT_C void InsertL(TInt aPos,const TDesC& aBuf); |
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122 IMPORT_C void DeleteL(TInt aPos,TInt aLength); |
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123 IMPORT_C void Reset(); |
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124 private: |
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125 CSmsEditorBuffer(CEditableText& aText); |
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126 private: |
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127 CEditableText& iText; |
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128 }; |
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129 |
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130 #endif // !defined __GSMUBUF_H__ |