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1 /* |
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2 * Copyright (c) 2002-2009 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: WIM memomy management |
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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 |
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20 #ifndef CWIMMEMMGMT_H |
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21 #define CWIMMEMMGMT_H |
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22 |
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23 // INCLUDES |
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24 #include "Wimi.h" //WIMI definitions |
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25 #include <e32base.h> |
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26 |
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27 |
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28 // DATA TYPES |
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29 enum TWimRefType |
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30 { |
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31 EWimiRefpt, |
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32 EWimiRefListt, |
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33 }; |
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34 |
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35 struct TWimiAllocRef |
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36 { |
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37 union |
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38 { |
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39 WIMI_Ref_pt ref; |
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40 WIMI_RefList_t refLst; |
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41 }; |
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42 |
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43 TWimRefType refType; |
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44 }; |
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45 |
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46 |
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47 // CLASS DECLARATION |
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48 |
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49 /** |
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50 * WIM memomy management. |
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51 * |
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52 * @since Series60 2.1 |
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53 */ |
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54 class CWimMemMgmt : public CBase |
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55 { |
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56 public: // Constructors and destructor |
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57 |
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58 /** |
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59 * Two-phased constructor. |
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60 */ |
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61 static CWimMemMgmt* NewL(); |
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62 |
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63 /** |
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64 * Destructor. |
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65 */ |
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66 virtual ~CWimMemMgmt(); |
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67 |
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68 public: // New functions |
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69 |
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70 /** |
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71 * Sets active memory reference to iWimRef member variable. |
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72 * @param aRef active reference. |
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73 */ |
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74 void SetWIMRef( WIMI_Ref_pt aRef ); |
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75 |
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76 /** |
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77 * Retrieves active reference. |
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78 * @return Active reference. |
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79 */ |
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80 WIMI_Ref_pt WimRef(); |
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81 |
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82 /** |
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83 * Creates and append a new WIMI_Alloc_Ref item to iRefs array. |
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84 * @param aLst reference list where to add the new item. |
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85 */ |
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86 void AppendWIMRefLstL( WIMI_RefList_t aLst ); |
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87 |
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88 /** |
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89 * Creates and appends a new WIMI_Alloc_Ref item to iRefs array. |
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90 * @param aRef Reference to be added. |
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91 */ |
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92 void AppendWIMRefL( WIMI_Ref_pt aRef ); |
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93 |
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94 /** |
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95 * Removes reference from the list and releases allocated memory. |
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96 * @param aRef Reference to be freed. |
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97 */ |
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98 void FreeRef( WIMI_Ref_pt ); |
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99 |
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100 /** |
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101 * Frees the reference(s) pointed by a client. |
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102 * @param aMessage Encapsulates a client request. |
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103 */ |
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104 void FreeWIMRefs( const RMessage2& aMessage ); |
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105 |
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106 /** |
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107 * Frees the list of reference(s) pointed by a client. |
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108 * @param aMessage Encapsulates a client request. |
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109 */ |
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110 void FreeRefLst( const RMessage2& aMessage ); |
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111 |
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112 /** |
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113 * Checks if the reference is valid |
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114 * @param aRef Reference to be checked. |
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115 * @return TBool ETrue if aRef is valid. |
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116 */ |
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117 TBool ValidateWIMRefL( WIMI_Ref_pt aRef ); |
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118 |
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119 |
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120 private: |
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121 |
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122 CWimMemMgmt(); |
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123 void ConstructL(); |
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124 void CleanUp(); |
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125 |
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126 private: // Data |
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127 RPointerArray<TWimiAllocRef> iRefs; |
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128 WIMI_Ref_pt iWimRef; |
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129 }; |
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130 |
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131 #endif // CWIMMEMMGMT_H |
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132 |
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133 // End of File |