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1 /* |
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2 * Copyright (c) 2006 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: Text viewer component |
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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 // INCLUDE FILES |
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21 #include "CCAChatViewControl.h" |
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22 #include "MCAMessageFlowHandlerPC.h" |
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23 |
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24 #include "CCACustomDraw.h" |
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25 #include "CCAPicture.h" |
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26 #include "CCAAppUi.h" |
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27 #include "mcatapeventobserver.h" |
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28 #include "MCASettingsPC.h" |
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29 |
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30 #include <AknUtils.h> |
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31 #include <aknsettingcache.h> |
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32 #include <aknenv.h> |
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33 #include <aknconsts.h> |
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34 #include <avkon.mbg> |
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35 #include <eikrted.h> |
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36 |
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37 #include "MCAProcessManager.h" |
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38 #include "IMMessageUtilsPC.h" |
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39 |
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40 #include "MCAMsgAddedToRichTxtCtrlObserver.h" |
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41 |
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42 // ============================ MEMBER FUNCTIONS =============================== |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CCAChatViewControl::CCAChatViewControl |
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46 // C++ default constructor can NOT contain any code, that |
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47 // might leave. |
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48 // ----------------------------------------------------------------------------- |
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49 // |
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50 CCAChatViewControl::CCAChatViewControl() |
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51 { |
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52 } |
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53 // ----------------------------------------------------------------------------- |
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54 // CCAChatViewControl::ConstructL |
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55 // Symbian 2nd phase constructor can leave. |
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56 // ----------------------------------------------------------------------------- |
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57 // |
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58 void CCAChatViewControl::ConstructL( const TRect& aRect, |
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59 const CCoeControl& aParent, |
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60 MCAGroupPC& aMsgRWInterfacePC, |
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61 MCASettingsPC& aSettingsInterface, |
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62 CCAMessageExtensionsHandler& aExtensionsHandler, |
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63 CGulIcon*& aFromMe, |
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64 CGulIcon*& aToMe, |
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65 CGulIcon*& aUnsupported, |
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66 CGulIcon*& aCorrupted, |
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67 TBool aScrollOver, |
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68 MCAMsgAddedToRichTxtCtrlObserver* aAddMsgObserver ) |
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69 { |
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70 // get the graphics device |
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71 CWindowGc& gc = SystemGc(); |
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72 CBitmapDevice* device = static_cast<CBitmapDevice*>( gc.Device() ); |
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73 |
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74 // text container |
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75 iTextContainer = CCARichTextContainer::NewL( |
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76 static_cast<CCAAppUi&>( *iEikonEnv->AppUi() ), |
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77 aSettingsInterface, *this, |
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78 aExtensionsHandler, |
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79 aFromMe, aToMe, aUnsupported, |
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80 aCorrupted, |
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81 *device, aScrollOver, |
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82 aAddMsgObserver ); |
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83 |
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84 // construct base class |
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85 CCATextViewControl::ConstructL( aRect, aParent, |
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86 iTextContainer->TextLayout() ); |
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87 |
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88 // Initialise flow handler and fetch messages |
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89 iFlowHandlerPC = IMMessageUtilsPC::CreateInstanceL( *iTextContainer, |
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90 aMsgRWInterfacePC, |
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91 !aScrollOver ) ; |
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92 |
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93 // We want to handle all the events which occur inside the text area. |
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94 // Rest is done by the base class. |
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95 SetPenBehaviour( EPenProcessEvent ); |
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96 } |
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97 // ----------------------------------------------------------------------------- |
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98 // CCAChatViewControl::ConstructL |
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99 // Symbian 2nd phase constructor can leave. |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 void CCAChatViewControl::ConstructL( const TRect& aRect, |
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103 const CCoeControl& aParent, |
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104 MCAConversationPC& aMsgRWInterfacePC, |
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105 MCASettingsPC& aSettingsInterface, |
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106 CCAMessageExtensionsHandler& aExtensionsHandler, |
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107 CGulIcon*& aFromMe, |
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108 CGulIcon*& aToMe, |
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109 CGulIcon*& aUnsupported, |
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110 CGulIcon*& aCorrupted, |
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111 TBool aScrollOver, |
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112 MCAMsgAddedToRichTxtCtrlObserver* aAddMsgObserver ) |
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113 { |
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114 // get the graphics device |
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115 CWindowGc& gc = SystemGc(); |
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116 CBitmapDevice* device = static_cast<CBitmapDevice*>( gc.Device() ); |
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117 |
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118 // text container |
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119 iTextContainer = CCARichTextContainer::NewL( |
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120 static_cast<CCAAppUi&>( *iEikonEnv->AppUi() ), |
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121 aSettingsInterface, *this, |
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122 aExtensionsHandler, |
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123 aFromMe, aToMe, aUnsupported, |
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124 aCorrupted, |
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125 *device, aScrollOver, |
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126 aAddMsgObserver ); |
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127 |
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128 // construct base class |
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129 CCATextViewControl::ConstructL( aRect, aParent, |
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130 iTextContainer->TextLayout() ); |
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131 |
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132 // Initialise flow handler and fetch messages |
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133 iFlowHandlerPC = IMMessageUtilsPC::CreateInstanceL( *iTextContainer, |
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134 aMsgRWInterfacePC, |
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135 !aScrollOver ) ; |
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136 |
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137 // We want to handle all the events which occur inside the text area. |
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138 // Rest is done by the base class. |
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139 SetPenBehaviour( EPenProcessEvent ); |
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140 } |
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141 |
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142 void CCAChatViewControl::ConstructL( const TRect& aRect, |
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143 const CCoeControl& aParent, |
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144 MCARecordedChatsPC& aRecordedChatsPC, |
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145 MCASettingsPC& aSettingsInterface, |
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146 CCAMessageExtensionsHandler& aExtensionsHandler, |
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147 CGulIcon*& aFromMe, |
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148 CGulIcon*& aToMe, |
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149 CGulIcon*& aUnsupported, |
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150 CGulIcon*& aCorrupted, |
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151 TBool aScrollOver, |
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152 MCAMsgAddedToRichTxtCtrlObserver* aAddMsgObserver ) |
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153 { |
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154 // get the graphics device |
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155 CWindowGc& gc = SystemGc(); |
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156 CBitmapDevice* device = static_cast<CBitmapDevice*>( gc.Device() ); |
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157 |
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158 // text container |
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159 iTextContainer = CCARichTextContainer::NewL( |
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160 static_cast<CCAAppUi&>( *iEikonEnv->AppUi() ), |
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161 aSettingsInterface, *this, |
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162 aExtensionsHandler, |
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163 aFromMe, aToMe, aUnsupported, |
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164 aCorrupted, |
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165 *device, aScrollOver, aAddMsgObserver ); |
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166 |
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167 // construct base class |
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168 CCATextViewControl::ConstructL( aRect, aParent, |
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169 iTextContainer->TextLayout() ); |
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170 |
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171 // Initialise flow handler and fetch messages |
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172 iFlowHandlerPC = IMMessageUtilsPC::CreateInstanceL( *iTextContainer, |
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173 aRecordedChatsPC, |
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174 !aScrollOver ) ; |
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175 |
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176 // We want to handle all the events which occur inside the text area. |
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177 // Rest is done by the base class. |
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178 SetPenBehaviour( EPenProcessEvent ); |
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179 } |
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180 |
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181 // ----------------------------------------------------------------------------- |
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182 // CCAChatViewControl::NewL |
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183 // Two-phased constructor. |
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184 // ----------------------------------------------------------------------------- |
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185 // |
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186 CCAChatViewControl* CCAChatViewControl::NewL( const TRect& aRect, |
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187 const CCoeControl& aParent, |
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188 MCAGroupPC& aMsgRWInterfacePC, |
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189 MCASettingsPC& aSettingsInterface, |
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190 CCAMessageExtensionsHandler& aExtensionsHandler, |
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191 CGulIcon*& aFromMe, |
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192 CGulIcon*& aToMe, |
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193 CGulIcon*& aUnsupported, |
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194 CGulIcon*& aCorrupted, |
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195 TBool aScrollOver /*= ETrue*/, |
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196 MCAMsgAddedToRichTxtCtrlObserver* aAddMsgObserver /*=NULL*/ ) |
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197 { |
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198 CCAChatViewControl* self = new( ELeave ) CCAChatViewControl; |
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199 CleanupStack::PushL( self ); |
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200 self->ConstructL( aRect, aParent, aMsgRWInterfacePC, aSettingsInterface, |
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201 aExtensionsHandler, aFromMe, aToMe, |
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202 aUnsupported, aCorrupted, |
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203 aScrollOver, aAddMsgObserver ); |
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204 CleanupStack::Pop( self ); |
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205 return self; |
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206 } |
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207 |
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208 // ----------------------------------------------------------------------------- |
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209 // CCAChatViewControl::NewL |
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210 // Two-phased constructor. |
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211 // ----------------------------------------------------------------------------- |
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212 // |
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213 CCAChatViewControl* CCAChatViewControl::NewL( const TRect& aRect, |
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214 const CCoeControl& aParent, |
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215 MCAConversationPC& aMsgRWInterfacePC, |
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216 MCASettingsPC& aSettingsInterface, |
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217 CCAMessageExtensionsHandler& aExtensionsHandler, |
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218 CGulIcon*& aFromMe, |
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219 CGulIcon*& aToMe, |
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220 CGulIcon*& aUnsupported, |
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221 CGulIcon*& aCorrupted, |
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222 TBool aScrollOver /*= ETrue*/, |
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223 MCAMsgAddedToRichTxtCtrlObserver* aAddMsgObserver /*=NULL*/ ) |
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224 { |
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225 CCAChatViewControl* self = new( ELeave ) CCAChatViewControl; |
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226 CleanupStack::PushL( self ); |
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227 self->ConstructL( aRect, aParent, aMsgRWInterfacePC, aSettingsInterface, |
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228 aExtensionsHandler, aFromMe, aToMe, |
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229 aUnsupported, aCorrupted, |
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230 aScrollOver, aAddMsgObserver ); |
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231 CleanupStack::Pop( self ); |
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232 return self; |
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233 } |
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234 |
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235 CCAChatViewControl* CCAChatViewControl::NewL( const TRect& aRect, |
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236 const CCoeControl& aParent, |
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237 MCARecordedChatsPC& aRecordedChatsPC, |
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238 MCASettingsPC& aSettingsInterface, |
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239 CCAMessageExtensionsHandler& aExtensionsHandler, |
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240 CGulIcon*& aFromMe, |
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241 CGulIcon*& aToMe, |
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242 CGulIcon*& aUnsupported, |
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243 CGulIcon*& aCorrupted, |
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244 TBool aScrollOver /*= ETrue*/, |
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245 MCAMsgAddedToRichTxtCtrlObserver* aAddMsgObserver /*= NULL*/ ) |
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246 { |
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247 CCAChatViewControl* self = new( ELeave ) CCAChatViewControl; |
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248 CleanupStack::PushL( self ); |
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249 self->ConstructL( aRect, aParent, aRecordedChatsPC, aSettingsInterface, |
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250 aExtensionsHandler, aFromMe, aToMe, |
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251 aUnsupported, aCorrupted, |
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252 aScrollOver, aAddMsgObserver ); |
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253 CleanupStack::Pop( self ); |
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254 return self; |
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255 } |
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256 |
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257 |
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258 // Destructor |
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259 CCAChatViewControl::~CCAChatViewControl() |
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260 { |
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261 delete iTextContainer; |
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262 delete iFlowHandlerPC; |
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263 } |
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264 |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // CCAChatViewControl::FetchMessages |
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268 // (other items were commented in a header). |
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269 // ----------------------------------------------------------------------------- |
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270 // |
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271 void CCAChatViewControl::FetchMessages( TBool aFetch ) |
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272 { |
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273 iFlowHandlerPC->FetchMessages( aFetch ); |
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274 } |
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275 |
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276 // ----------------------------------------------------------------------------- |
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277 // CCAChatViewControl::SelectedMessage |
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278 // (other items were commented in a header). |
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279 // ----------------------------------------------------------------------------- |
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280 // |
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281 MCAConversationMessage* CCAChatViewControl::SelectedMessage() |
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282 { |
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283 return iTextContainer->SelectedMessage(); |
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284 } |
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285 |
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286 // ----------------------------------------------------------------------------- |
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287 // CCAChatViewControl::SelectedItem |
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288 // (other items were commented in a header). |
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289 // ----------------------------------------------------------------------------- |
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290 // |
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291 HBufC* CCAChatViewControl::SelectedItemL() |
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292 { |
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293 return iTextContainer->SelectedItemL(); |
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294 } |
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295 |
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296 // ----------------------------------------------------------------------------- |
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297 // CCAChatViewControl::SelectedItemType |
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298 // (other items were commented in a header). |
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299 // ----------------------------------------------------------------------------- |
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300 // |
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301 TInt CCAChatViewControl::SelectedItemType() |
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302 { |
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303 return iTextContainer->SelectedItemType(); |
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304 } |
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305 |
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306 // ----------------------------------------------------------------------------- |
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307 // CCAChatViewControl::SetHighlight |
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308 // (other items were commented in a header). |
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309 // ----------------------------------------------------------------------------- |
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310 // |
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311 void CCAChatViewControl::SetHighlight( TBool aHighlight ) |
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312 { |
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313 iTextContainer->SetItemHighlight( aHighlight ); |
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314 } |
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315 |
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316 // ----------------------------------------------------------------------------- |
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317 // CCAChatViewControl::DisableHighlightL |
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318 // (other items were commented in a header). |
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319 // ----------------------------------------------------------------------------- |
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320 // |
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321 void CCAChatViewControl::DisableHighlightL() |
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322 { |
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323 iTextContainer->DisableHighlightL(); |
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324 } |
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325 |
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326 // ----------------------------------------------------------------------------- |
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327 // CCAChatViewControl::Highlighted |
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328 // (other items were commented in a header). |
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329 // ----------------------------------------------------------------------------- |
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330 // |
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331 TBool CCAChatViewControl::Highlighted() |
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332 { |
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333 return iTextContainer->Highlighted(); |
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334 } |
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335 |
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336 |
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337 // ----------------------------------------------------------------------------- |
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338 // CCAChatViewControl::OfferKeyEventL |
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339 // (other items were commented in a header). |
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340 // ----------------------------------------------------------------------------- |
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341 // |
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342 TKeyResponse CCAChatViewControl::OfferKeyEventL( const TKeyEvent& aKeyEvent, |
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343 TEventCode aType ) |
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344 { |
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345 if ( aType != EEventKey ) |
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346 { |
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347 return EKeyWasNotConsumed; |
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348 } |
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349 |
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350 CCARichTextContainer::THighlightMovement movement( |
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351 CCARichTextContainer::ENext ); |
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352 |
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353 switch ( aKeyEvent.iCode ) |
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354 { |
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355 case EKeyUpArrow: |
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356 { |
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357 movement = CCARichTextContainer::EPrevious; |
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358 // flowthrough |
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359 } |
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360 case EKeyDownArrow: |
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361 { |
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362 return iTextContainer->MoveHighlightL( movement ) == KErrNone ? |
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363 EKeyWasConsumed : EKeyWasNotConsumed; |
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364 } |
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365 |
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366 default: |
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367 { |
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368 // No handling for other events |
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369 break; |
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370 } |
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371 } |
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372 |
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373 return EKeyWasNotConsumed; |
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374 } |
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375 |
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376 // ----------------------------------------------------------------------------- |
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377 // CCAChatViewControl::ProcessStylusEventL |
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378 // (other items were commented in a header). |
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379 // ----------------------------------------------------------------------------- |
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380 // |
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381 void CCAChatViewControl::ProcessStylusEventL( |
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382 const TPointerEvent& aPointerEvent ) |
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383 { |
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384 // We end up here only if the pointer event started inside |
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385 // the text area. |
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386 if ( aPointerEvent.iType == TPointerEvent::EButton1Down || |
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387 aPointerEvent.iType == TPointerEvent::EDrag ) |
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388 { |
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389 // Reset poiter flags |
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390 if ( aPointerEvent.iType == TPointerEvent::EButton1Down ) |
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391 { |
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392 iWaitForDoubleTap = iWaitForSingleTap; |
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393 iWaitForSingleTap = ETrue; |
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394 iStylusOutsideMessage = EFalse; |
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395 } |
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396 |
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397 TInt pos = FindDocPos( aPointerEvent.iPosition ); |
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398 if ( pos != KErrNotFound ) |
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399 { |
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400 TInt res = iTextContainer->HighlightItemAtPosL( pos ); |
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401 if ( res == KErrNone ) |
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402 |
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403 { |
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404 // New item/message was highlighted |
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405 if ( aPointerEvent.iType == TPointerEvent::EDrag ) |
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406 { |
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407 // Single tap is not possible if highlight was changed |
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408 // with draging |
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409 iWaitForSingleTap = EFalse; |
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410 } |
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411 // doubletap is not possible for now |
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412 iWaitForDoubleTap = EFalse; |
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413 } |
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414 } |
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415 else |
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416 { |
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417 // Stylus was moved/activated outside text elements |
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418 iStylusOutsideMessage = ETrue; |
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419 } |
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420 } |
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421 |
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422 // Notify Observers |
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423 if ( iTapObserver ) |
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424 { |
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425 if ( aPointerEvent.iType == TPointerEvent::EButton1Down ) |
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426 { |
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427 // Start |
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428 iTapObserver->HandleTapEventL( |
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429 MCATapEventObserver::EStartTap, iTapControlId ); |
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430 } |
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431 else if ( aPointerEvent.iType == TPointerEvent::EButton1Up ) |
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432 { |
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433 // Release |
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434 iTapObserver->HandleTapEventL( |
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435 MCATapEventObserver::EReleaseTap, iTapControlId ); |
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436 if ( iWaitForSingleTap && !iStylusOutsideMessage ) |
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437 { |
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438 // Single tap |
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439 iTapObserver->HandleTapEventL( |
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440 MCATapEventObserver::ESingleTap, iTapControlId ); |
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441 } |
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442 if ( iWaitForDoubleTap && !iStylusOutsideMessage ) |
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443 { |
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444 // Double Tap |
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445 iTapObserver->HandleTapEventL( |
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446 MCATapEventObserver::EDoubleTap, iTapControlId ); |
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447 } |
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448 } |
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449 } |
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450 } |
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451 |
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452 // ----------------------------------------------------------------------------- |
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453 // CCAChatViewControl::SizeChanged |
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454 // (other items were commented in a header). |
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455 // ----------------------------------------------------------------------------- |
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456 // |
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457 void CCAChatViewControl::SizeChanged() |
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458 { |
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459 SetHighlighted( Highlighted() ); |
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460 CCATextViewControl::SizeChanged(); |
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461 } |
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462 |
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463 // ----------------------------------------------------------------------------- |
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464 // CCAChatViewControl::MoveHighlightL |
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465 // (other items were commented in a header). |
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466 // ----------------------------------------------------------------------------- |
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467 // |
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468 void CCAChatViewControl::MoveHighlightL( |
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469 CCARichTextContainer::THighlightMovement aMovement ) |
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470 { |
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471 iWaitForSingleTap = ETrue; |
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472 iTextContainer->MoveHighlightL( aMovement ); |
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473 } |
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474 |
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475 // ----------------------------------------------------------------------------- |
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476 // CCAChatViewControl::SetTapObserver |
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477 // (other items were commented in a header). |
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478 // ----------------------------------------------------------------------------- |
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479 // |
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480 void CCAChatViewControl::SetTapObserver( MCATapEventObserver* aObserver, TUint aId ) |
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481 { |
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482 iTapObserver = aObserver; |
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483 iTapControlId = aId; |
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484 } |
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485 |
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486 // ----------------------------------------------------------------------------- |
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487 // CCAChatViewControl::IsDeleted |
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488 // (other items were commented in a header). |
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489 // ----------------------------------------------------------------------------- |
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490 // |
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491 TBool CCAChatViewControl::IsDeleted() const |
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492 { |
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493 return iTextContainer->IsDeleted(); |
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494 } |
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495 |
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496 |
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497 // ----------------------------------------------------------------------------- |
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498 // CCAChatViewControl::GetMessageCount |
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499 // (other items were commented in a header). |
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500 // ----------------------------------------------------------------------------- |
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501 // |
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502 TInt CCAChatViewControl::GetMessageCount() |
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503 { |
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504 return iTextContainer->GetMessageCount(); |
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505 } |
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506 |
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507 //when user navigate among tab. |
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508 // ----------------------------------------------------------------------------- |
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509 // CCAChatViewControl::UnRegisterRichTxtCtrlObserver |
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510 // (other items were commented in a header). |
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511 // ----------------------------------------------------------------------------- |
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512 // |
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513 void CCAChatViewControl::UnRegisterRichTxtCtrlObserver() |
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514 { |
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515 return iTextContainer->UnRegisterRichTxtCtrlObserver(); |
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516 } |
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517 |
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518 // End of File |