1 /* |
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2 * Copyright (c) 2007-2008 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: cimcvappviewcontrol.h |
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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 _CIMCVAPPVIEWCONTROL_H |
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21 #define _CIMCVAPPVIEWCONTROL_H |
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22 |
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23 // INCLUDES |
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24 #include "cimcvapprichtextcontainercache.h" |
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25 #include "cimcvapptextviewcontrol.h" |
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26 #include "cimcvapprichtextcontainer.h" |
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27 #include "cimcvengine.h" |
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28 // FORWARD DECLARATIONS |
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29 class CIMCVAppMessageFlowHandler; |
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30 class MIMCVEngineMessageReadInterface; |
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31 class CIMCVAppMessageExtensionsHandler; |
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32 class MIMCVTapEventObserver; |
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33 // CLASS DECLARATION |
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34 |
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35 /** |
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36 * @imcvuiapp.exe |
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37 * @since 5.0 |
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38 */ |
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39 class CIMCVAppViewControl : public CIMCVAppTextViewControl |
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40 { |
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41 public: // Constructors and destructor |
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42 |
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43 /** |
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44 * Two-phased constructor. |
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45 * @param aRect Draw area |
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46 * @param aParent Parent control |
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47 * @param aReadInterface Message read interface |
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48 * @param aExtensionsHandler Message extensions handler |
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49 * @param aMessageUtils Message utils |
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50 * @param aRTContainerCache - cache |
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51 * @param aScrollOver Should we scroll over the top and bottom, |
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52 * i.e. disabling highlight when pressing up at top. |
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53 * EFalse used with recorded chats. |
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54 * @return Instance of this class |
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55 */ |
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56 static CIMCVAppViewControl* NewL( const TRect& aRect, |
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57 const CCoeControl& aParent, |
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58 MIMCVEngineMessageReadInterface& aReadInterface, |
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59 CIMCVAppMessageExtensionsHandler& aExtensionsHandler, |
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60 CGulIcon* aFromMe, |
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61 CGulIcon* aToMe, |
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62 CIMCVAppRichTextContainerCache& aRTContainerCache, |
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63 CIMCVEngine& aActiveEngine, |
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64 TBool aScrollOver = ETrue); |
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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 ~CIMCVAppViewControl(); |
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70 |
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71 public: // New functions |
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72 |
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73 |
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74 /** |
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75 * Returns buffer containing the currently selected text |
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76 * (or empty buffer if nothing selected) |
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77 */ |
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78 HBufC* SelectedItemL(); |
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79 |
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80 /** |
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81 * @return Type of selected item |
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82 */ |
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83 TInt SelectedItemType(); |
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84 |
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85 |
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86 /** |
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87 * Disable all highlighting |
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88 */ |
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89 void DisableHighlightL(); |
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90 |
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91 /** |
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92 * @return ETrue if some item is highlighted |
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93 */ |
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94 TBool Highlighted(); |
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95 |
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96 /** |
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97 * Move text's highlight up and down. |
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98 * @param aMovement In which direction we move the higlight |
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99 */ |
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100 void MoveHighlightL( |
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101 CIMCVAppRichTextContainer::THighlightMovement aMovement); |
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102 |
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103 |
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104 /** |
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105 * @returns the total messages in the view |
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106 */ |
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107 TInt GetMessageCount(); |
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108 |
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109 /** |
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110 * Set scrolling method |
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111 * @param aHihghlight If ETrue, scroll by highlighting items |
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112 * otherwise scroll by rows |
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113 */ |
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114 void SetHighlight( TBool aHighlight ); |
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115 |
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116 /** |
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117 * Set observer for handling tap events. |
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118 * Supports only single observer. |
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119 * @param aObserver observer to handle tap events |
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120 * @param aId control id which is used by the observer to |
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121 * identify this object. |
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122 */ |
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123 void SetTapObserver( MIMCVTapEventObserver* aObserver, TUint aId ); |
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124 |
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125 |
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126 /** |
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127 * Should we fetch new messages or not |
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128 * @param aFetch ETrue if this chat is in foreground and should receive |
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129 * messages, EFalse otherwise. |
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130 */ |
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131 void FetchMessages( TBool aFetch ); |
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132 |
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133 |
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134 protected: // Functions from CIMCVAppTextViewControl |
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135 |
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136 /** |
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137 * @see CIMCVAppTextViewControl |
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138 */ |
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139 TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, |
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140 TEventCode aType ); |
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141 |
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142 /** |
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143 * @see CIMCVAppTextViewControl |
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144 */ |
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145 void ProcessStylusEventL( const TPointerEvent& aPointerEvent ); |
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146 |
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147 /** |
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148 * @see CIMCVAppTextViewControl |
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149 */ |
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150 void SizeChanged(); |
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151 |
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152 private: |
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153 |
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154 /** |
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155 * C++ default constructor. |
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156 */ |
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157 CIMCVAppViewControl(); |
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158 |
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159 /** |
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160 * By default Symbian 2nd phase constructor is private. |
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161 * @param aRect Draw area |
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162 * @param aParent Parent control |
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163 * @param aReadInterface Message read interface |
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164 * @param aExtensionsHandler Message extensions handler |
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165 * @param aMessageUtils Message utils |
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166 * @param aRTContainerCache - cache |
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167 * @param aScrollOver Should we scroll over the top and bottom, |
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168 * i.e. disabling highlight when pressing up at top. |
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169 */ |
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170 void ConstructL( const TRect& aRect, const CCoeControl& aParent, |
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171 MIMCVEngineMessageReadInterface& aReadInterface, |
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172 CIMCVAppMessageExtensionsHandler& aExtensionsHandler, |
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173 CGulIcon* aFromMe, |
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174 CGulIcon* aToMe, |
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175 CIMCVAppRichTextContainerCache& aRTContainerCache, |
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176 CIMCVEngine& aActiveEngine, |
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177 TBool aScrollOver ); |
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178 |
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179 |
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180 private: // Data |
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181 |
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182 // owns. Text container |
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183 CIMCVAppRichTextContainer* iTextContainer; |
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184 |
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185 // owns. Message flow handler |
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186 CIMCVAppMessageFlowHandler* iFlowHandler; |
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187 |
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188 // Not owned. Pointer to observer |
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189 MIMCVTapEventObserver* iTapObserver; |
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190 |
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191 // ID which needs to be reported back to TapObserver |
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192 TUint iTapControlId; |
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193 |
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194 // Tap waiting flags touch screen. |
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195 TBool iWaitForDoubleTap; |
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196 TBool iWaitForSingleTap; |
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197 }; |
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198 |
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199 #endif // _CIMCVAPPVIEWCONTROL_H |
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200 |
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201 // End of File |
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