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1 /* |
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2 * Copyright (c) 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: MsgXhtmlBodyControl declaration |
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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 CMSGXHTMLBODYCONTROL_H |
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21 #define CMSGXHTMLBODYCONTROL_H |
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22 |
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23 // ========== INCLUDE FILES ================================ |
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24 |
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25 #include <xhtmlparser.h> |
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26 #include <MsgBodyControl.h> // for CMsgBodyControl |
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27 #include <msgasynccontrol.h> // for MMsgAsynchControl |
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28 |
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29 // ========== CONSTANTS ==================================== |
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30 |
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31 // ========== MACROS ======================================= |
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32 |
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33 // ========== DATA TYPES =================================== |
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34 |
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35 // ========== FUNCTION PROTOTYPES ========================== |
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36 |
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37 // ========== FORWARD DECLARATIONS ========================= |
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38 |
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39 class CMsgEditorView; |
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40 class CXhtmlParser; |
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41 |
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42 // ========== CLASS DECLARATION ============================ |
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43 |
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44 /** |
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45 * Defines a XHTML body control for message editors/viewers. |
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46 * |
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47 * @since 3.2 |
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48 * @lib MsgEditorView.lib |
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49 */ |
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50 NONSHARABLE_CLASS( CMsgXhtmlBodyControl ): public CMsgBodyControl, |
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51 public MMsgAsyncControl, |
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52 public MXhtmlParserObserver |
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53 { |
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54 public: |
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55 |
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56 /** |
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57 * Factory method that creates this control. |
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58 * |
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59 * @param aParent Parent control |
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60 * |
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61 * @return Pointer to creates CMsgXhtmlBodyControl object |
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62 */ |
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63 IMPORT_C static CMsgXhtmlBodyControl* NewL( CMsgEditorView& aParent, |
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64 MMsgAsyncControlObserver* aObserver ); |
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65 |
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66 /** |
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67 * Destructor. |
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68 */ |
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69 virtual ~CMsgXhtmlBodyControl(); |
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70 |
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71 public: |
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72 |
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73 /** |
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74 * From MMsgAsyncControl |
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75 * |
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76 * Load content to from given file handle to control asynchronously. |
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77 * |
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78 * @param aFileHandle Valid file handle. |
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79 */ |
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80 void LoadL( RFile& aFileHandle ); |
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81 |
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82 /** |
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83 * From MMsgAsyncControl |
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84 * |
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85 * Cancels the asyncronous operation if it is pending. |
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86 */ |
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87 void Cancel(); |
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88 |
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89 /** |
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90 * From MMsgAsyncControl |
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91 * |
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92 * Closes control. Closing means freeing file |
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93 * specific resources that other application can use the file. |
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94 */ |
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95 void Close(); |
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96 |
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97 /** |
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98 * From MMsgAsyncControl |
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99 * |
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100 * Return current state. |
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101 */ |
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102 TMsgAsyncControlState State() const; |
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103 |
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104 /** |
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105 * From MMsgAsyncControl |
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106 * |
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107 * Return error code of the operation. |
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108 */ |
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109 TInt Error() const; |
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110 |
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111 /** |
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112 * From MMsgAsyncControl |
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113 * |
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114 * Adds observer. |
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115 */ |
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116 void AddObserverL( MMsgAsyncControlObserver& aObserver ); |
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117 |
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118 /** |
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119 * From MMsgAsyncControl |
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120 * |
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121 * Removes observer. |
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122 */ |
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123 void RemoveObserver( MMsgAsyncControlObserver& aObserver ); |
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124 |
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125 /** |
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126 * From MXhtmlParserObserver |
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127 * |
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128 * Call back function used to inform a client of the Parser |
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129 * when a parsing operation completes. |
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130 */ |
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131 void ParseCompleteL(); |
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132 |
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133 /** |
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134 * From MXhtmlParserObserver |
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135 * |
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136 * Call back function used to inform a client of the Parser |
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137 * about error. |
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138 */ |
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139 void ParseError( TInt aError ); |
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140 |
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141 public: |
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142 |
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143 /** |
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144 * From CCoeControl |
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145 * |
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146 * For handling dynamic layout switch. |
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147 */ |
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148 void HandleResourceChange( TInt aType ); |
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149 |
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150 private: |
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151 |
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152 /** |
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153 * C++ default constructor. |
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154 */ |
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155 CMsgXhtmlBodyControl(); |
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156 |
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157 /** |
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158 * C++ constructor. |
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159 */ |
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160 CMsgXhtmlBodyControl( MMsgBaseControlObserver& aBaseControlObserver ); |
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161 |
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162 /** |
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163 * 2nd phase constructor. |
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164 */ |
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165 void ConstructL( MMsgAsyncControlObserver* aObserver ); |
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166 |
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167 /** |
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168 * Sets state and calls observer |
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169 */ |
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170 void SetState( TMsgAsyncControlState aState ); |
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171 |
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172 /** |
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173 * Reads layout data from "LAF". |
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174 */ |
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175 void ResolveLayout(); |
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176 |
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177 /** |
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178 * Performs XHTML parsing from DOM |
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179 */ |
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180 void ParseXhtmlL(); |
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181 |
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182 /** |
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183 * CleanupLinkArray() cleanup for automatic variable |
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184 * CArrayPtrFlat<CItemFinder::CFindItemExt>*. |
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185 * @param aAny Array |
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186 */ |
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187 static void CleanupLinkArray( TAny* aAny ); |
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188 |
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189 private: // Data |
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190 |
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191 CArrayPtrFlat<MMsgAsyncControlObserver>* iObservers; |
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192 |
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193 TMsgAsyncControlState iState; |
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194 |
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195 TInt iError; |
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196 |
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197 CXhtmlParser* iParser; |
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198 }; |
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199 |
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200 #endif // CMSGXHTMLBODYCONTROL_H |
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201 |
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202 // End of File |