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1 /* |
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2 * Copyright (c) 2002 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 the License "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: Header file for CBrowserPopupEngine |
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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 __BROWSERPOPUPENGINE_H |
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21 #define __BROWSERPOPUPENGINE_H |
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22 |
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23 // INCLUDE FILES |
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24 #include <f32file.h> |
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25 #include <e32base.h> |
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26 #include <badesca.h> |
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27 |
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28 // CLASS DECLARATION |
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29 |
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30 /** |
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31 * CBrowserPopupEngine. |
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32 * |
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33 * @lib Browser.app |
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34 * @since Series 60 3.0 |
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35 */ |
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36 class CBrowserPopupEngine : public CBase |
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37 { |
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38 public:// Constructors and destructor |
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39 /** |
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40 * Default constructor. |
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41 */ |
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42 CBrowserPopupEngine(); |
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43 /** |
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44 * Destructor. |
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45 */ |
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46 ~CBrowserPopupEngine(); |
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47 static CBrowserPopupEngine* NewLC(); |
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48 static CBrowserPopupEngine* NewL(); |
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49 public:// New functions |
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50 /** |
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51 * Adds url to white list |
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52 * @param aUrl url to ad to white list |
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53 */ |
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54 void AddUrlToWhiteListL(const TDesC& aUrl); |
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55 /** |
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56 * Checks whether the url is on the white list |
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57 * @param aUrl url to check |
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58 * @return ETrue if the url is on white list |
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59 */ |
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60 TBool IsUrlOnWhiteListL(const TDesC& aUrl); |
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61 |
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62 void RemoveUrlFromWhiteListL(const TDesC& aUrl); |
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63 |
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64 private: |
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65 void ConstructL(); |
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66 /** |
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67 * Checks whether the url is in white cache |
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68 * @param aUrl url to check |
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69 * @return ETrue if the url is in white cache |
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70 */ |
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71 TBool IsUrlInWhiteCacheL(const TDesC& aUrl); |
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72 /** |
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73 * Checks whether the url is in the white file |
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74 * @param aUrl url to check |
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75 * @return ETrue if the url is in white file |
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76 */ |
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77 TBool IsUrlInWhiteFileL(const TDesC& aUrl); |
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78 /** |
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79 * Checks whether the url is in file |
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80 * @param aUrl url to check |
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81 * @return ETrue if the url is in file |
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82 */ |
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83 TBool IsUrlInFileL(const RFile* aFile, const TDesC& aUrl); |
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84 /** |
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85 * Checks whether the url is in the cache |
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86 * @param aUrl url to check |
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87 * @return ETrue if the url is in cache |
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88 */ |
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89 TBool IsUrlInCacheL( const CDesCArrayFlat* aCacheArray, const TDesC& aUrl, const TInt aLoadedurlno ); |
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90 /** |
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91 * Loads urls to cache |
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92 * @param aFile file where from the urls will be loaded |
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93 * @param aCacheArray where to load the urls |
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94 * @param aLoadedUrlNo number of loaded urls |
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95 */ |
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96 void LoadUrlsToCacheL(const RFile* aFile, CDesCArrayFlat* aCacheArray, TInt* aLoadedUrlNo); |
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97 /** |
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98 * Adds url to cache |
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99 * @param aCacheArray array where to add the url |
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100 * @param aUrl url to add to cache |
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101 */ |
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102 void AddUrlToCacheL( CDesCArrayFlat* aCacheArray, const TDesC& aUrl ); |
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103 /** |
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104 * Converts TDesc16 to TPtrC8 |
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105 * @param aString string to convert |
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106 * @return a TPtrC8 |
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107 */ |
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108 TPtrC8 TDesC16ToTPtrC8(const TDesC16 &aString); |
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109 /** |
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110 * Converts TDesc8 to TPtrC16 |
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111 * @param aString string to convert |
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112 * @return a TPtrC16 |
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113 */ |
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114 TPtrC16 TDesC8ToTPtrC16(const TDesC8 &aString); |
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115 /** |
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116 * Converts TDesc16 to HBufC8 |
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117 * @param aString string to convert |
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118 * @return a pointer to HBufC8 |
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119 */ |
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120 HBufC8 *TDesC16ToHBufC8LC(const TDesC16 &string); |
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121 /** |
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122 * Converts TDesc8 to HBufC16 |
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123 * @param aString string to convert |
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124 * @return a pointer to HBufC16 |
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125 */ |
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126 HBufC16 *TDesC8ToHBufC16LC(const TDesC8 &aString); |
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127 /** |
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128 * Opens the database |
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129 * @param aFile pointer to the file handle |
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130 * @param aIsBlack whether the databas is black |
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131 * @return |
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132 */ |
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133 void OpenDatabaseL(RFile* aFile); |
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134 /** |
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135 * Handles order changes in the database |
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136 * @param aFile database file |
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137 * @param aUrl the url which cause the hange |
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138 * @param aExists whether the url exists in the database allready |
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139 * @param aIsBlack whether the database is black |
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140 * @param aToAdd whether to add the url to the database |
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141 * @return |
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142 */ |
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143 void HandleUrlOrderChangeL(RFile* aFile, const TDesC& aUrl, const TBool aExists,const TBool aToAdd ); |
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144 /** |
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145 * Removes Url from the cache |
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146 * @param aCacheArray |
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147 * @param aUrl |
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148 * @param aCacheNo |
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149 * @return |
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150 */ |
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151 void RemoveUrlFromCacheL( CDesCArrayFlat* aCacheArray, const TDesC& aUrl, TInt &aCacheNo ); |
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152 /** |
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153 * Checks whether the database is valid |
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154 * @param aFile pointer to the file which will be checked |
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155 * @return ETrue if the file is OK |
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156 */ |
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157 TBool CheckDbValidity(RFile* aFile); |
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158 //member variables |
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159 RFs iFs; |
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160 RFile iWhiteListFile;//stores the white urls |
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161 CDesCArrayFlat* iCachedWhiteUrls;//owned |
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162 TInt iWhiteCacheNo;//number of white urls loaded to cache |
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163 }; |
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164 |
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165 |
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166 |
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167 #endif //__BROWSERPOPUPENGINE_H |