1 /* |
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2 * Copyright (c) 2005-2007 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: Plug-in main class |
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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 #ifndef WRTDATAPLUGIN_H |
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20 #define WRTDATAPLUGIN_H |
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21 |
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22 #include <aicontentpublisher.h> |
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23 #include <aipropertyextension.h> |
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24 #include <aicontentmodel.h> |
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25 #include <aieventhandlerextension.h> |
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26 |
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27 // FORWARD DECLARATIONS |
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28 class MAiContentObserver; |
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29 class MAiContentItemIterator; |
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30 class MAiPSPropertyObserver; |
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31 class CWrtData; |
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32 class CDesC16Array; |
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33 class CGulIcon; |
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34 class CLiwDefaultMap; |
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35 |
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36 |
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37 // CLASS DECLARATION |
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38 /** |
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39 * @ingroup group_wrtdataplugin |
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40 * |
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41 * Plug-in main class |
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42 * |
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43 * @since S60 v3.2 |
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44 */ |
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45 class CWrtDataPlugin : public CAiContentPublisher, |
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46 public MAiPropertyExtension, |
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47 public MAiEventHandlerExtension |
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48 |
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49 { |
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50 |
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51 public : |
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52 /** |
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53 * Plugin's network state. |
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54 */ |
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55 enum TPluginNetworkStatus |
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56 { |
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57 EUnknown, |
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58 EOffline, |
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59 EOnline |
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60 }; |
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61 |
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62 /** |
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63 * Plugin's state. |
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64 */ |
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65 enum TPluginStates |
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66 { |
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67 ENone, |
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68 EResume, |
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69 ESuspend, |
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70 EInActive, |
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71 }; |
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72 |
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73 /** |
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74 * Content Items |
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75 */ |
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76 enum TContentItem |
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77 { |
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78 EDefaultImage, |
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79 EDefaultText, |
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80 EImage1 |
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81 }; |
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82 |
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83 public: |
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84 |
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85 /** |
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86 * Part of the two phased constuction |
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87 * |
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88 * @param none |
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89 * @return none |
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90 */ |
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91 static CWrtDataPlugin* NewL(); |
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92 |
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93 /** |
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94 * Destructor |
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95 * |
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96 * @param none |
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97 * @return none |
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98 */ |
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99 ~CWrtDataPlugin(); |
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100 |
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101 public: // from base class CAiContentPublisher |
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102 |
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103 /** |
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104 * From CAiContentPublisher |
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105 * The method is called by the framework to request the plug-in free all |
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106 * memory and CPU resources and close all its open files, e.g. the plug-in |
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107 * should unload its engines due backup operation. The method transits the |
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108 * plug-in to "Idle" state. |
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109 * |
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110 * @param aReason reason for state change, see TAiTransitionChange. |
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111 * @return void |
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112 */ |
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113 void Stop( TAiTransitionReason aReason ); |
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114 |
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115 /** |
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116 * From CAiContentPublisher |
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117 * The method is called by the framework to instruct plug-in that it is |
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118 * allowed to consume CPU resources, e.g plug-in is able to run timers, |
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119 * perform asynchronous operations, etc. The method transits the plug-in |
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120 * to "Alive" state. |
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121 * |
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122 * @param aReason reason for state change, see TAiTransitionChange. |
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123 * @return void |
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124 */ |
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125 void Resume( TAiTransitionReason aReason ); |
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126 |
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127 /** |
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128 * From CAiContentPublisher |
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129 * The method is called by the framework to instruct plug-in that it is |
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130 * not allowed to consume CPU resources, e.g plug-in MUST stop each |
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131 * timers, cancel outstanding asynchronous operations, etc. The method |
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132 * transits the plug-in to "Suspendend" state. |
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133 * |
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134 * @param aReason reason for state change, see TAiTransitionChange. |
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135 * @return void |
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136 */ |
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137 void Suspend( TAiTransitionReason aReason ); |
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138 |
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139 /** |
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140 * From CAiContentPublisher |
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141 * Adds the content observer / subscriber to plug-in. The plug-in MUST |
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142 * maintain a registry of subscribers and send notification to all them |
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143 * whenever the plug-in changes state or new content available. |
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144 * |
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145 * @param aObserver content observer to register. |
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146 * @return void |
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147 */ |
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148 void SubscribeL( MAiContentObserver& aObserver ); |
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149 |
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150 /** |
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151 * From CAiContentPublisher |
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152 * Configures the plug-in. |
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153 * Plug-ins take ownership of the settings array, so it must either |
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154 * store it in a member or free it. Framework has put the array in cleanup |
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155 * stack so the plugin shouldn't do that. |
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156 * If this leaves, the plug-in will be destroyed by AI FW. |
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157 * Plug-in must support LaunchByValue-event even if normal shortcuts don't |
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158 * work. The only allowed serious enough leave is KErrNotFound from CenRep. |
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159 * |
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160 * @param aSettings setting items defined in the UI definition. |
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161 * @return void |
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162 */ |
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163 void ConfigureL( RAiSettingsItemArray& aSettings ); |
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164 |
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165 /** |
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166 * From CAiContentPublisher |
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167 * Returns interface extension. In Series 60 3.1 only event & property |
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168 * extensions are supported. See MAiEventExtension & MAiPropertyExtension |
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169 * interfaces. |
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170 * |
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171 * @param aUid - UID of the extension interface to access. |
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172 * @return the extension interface. Actual type depends on the passed aUid |
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173 * argument. |
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174 */ |
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175 TAny* Extension( TUid aUid ); |
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176 |
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177 // from base class MAiPropertyExtension |
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178 |
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179 /** |
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180 * From MAiPropertyExtension. |
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181 * Read property of publisher plug-in. |
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182 * |
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183 * @param aProperty - identification of property. |
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184 * @return pointer to property value. |
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185 */ |
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186 TAny* GetPropertyL( TInt aProperty ); |
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187 |
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188 /** |
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189 * From MAiPropertyExtension. |
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190 * Write property value. |
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191 * |
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192 * @param aProperty - identification of property. |
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193 * @param aValue - contains pointer to property value. |
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194 */ |
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195 void SetPropertyL( TInt aProperty, TAny* aValue ); |
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196 |
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197 // from base class MAiEventHandlerExtension |
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198 |
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199 /** |
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200 * From MAiEventHandlerExtension |
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201 * Invoked by the framework when plug-in must handle an event. |
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202 * @param aEvent - unique identifier of event from plug-in content model. |
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203 * @param aParam - parameters associated with event. Each UI Definition |
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204 * declares events in the format: <event name>(<event params>), |
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205 * where <event name> is mapped by the framework to unique |
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206 * identifier supplied in aEvent, <event params> are provided to |
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207 * plug-in as-is in the descriptor. |
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208 * @since S60 3.2 |
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209 */ |
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210 void HandleEvent(TInt aEvent, const TDesC& aParam); |
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211 |
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212 /** |
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213 * From MAiEventHandlerExtension |
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214 * Invoked by the framework when plug-in must handle an event. |
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215 * |
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216 * @param aEventName - name of the event from plug-in content model. |
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217 * @param aParam - parameters associated with event. Each UI Definition |
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218 * declares events in the format: <event name>(<event params>), |
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219 * where <event name> mapping to unique identifier supplied by event |
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220 * is failed by the frame work then the <event name> and |
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221 * <event params> are provided to plug-in as-is in the descriptor. |
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222 */ |
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223 void HandleEvent(const TDesC& aEventName, const TDesC& aParam); |
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224 |
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225 /** |
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226 * Invoked by the framework for querying if plugin has menu item |
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227 * |
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228 * @param aMenuItem menu item name. |
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229 * @return ETrue if plugin has specific menu item, EFalse otherwise |
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230 */ |
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231 TBool HasMenuItem(const TDesC16& aMenuItem); |
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232 |
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233 public : // New functions |
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234 |
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235 /** |
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236 * Gets the id of a content |
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237 * |
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238 * @param aObjectId image or text id |
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239 * @return id of the content |
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240 */ |
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241 TInt GetIdL(TDesC16& aObjectId); |
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242 |
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243 /** |
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244 * Gets the type of a specific content |
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245 * |
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246 * @param aObjectId image or text id |
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247 * @param aType type |
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248 * @return void |
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249 */ |
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250 void GetTypeL( TDesC16& aObjectId, TDes16& aType ); |
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251 |
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252 /** |
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253 * RefereshL a specific image of text in the widget |
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254 * |
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255 * @param aOperation operation performed |
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256 * @param aDataMap data map |
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257 * @return void |
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258 */ |
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259 void RefreshL(TDesC16& aOperation, CLiwDefaultMap* aDataMap ); |
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260 |
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261 /** |
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262 * Is plugin active to publish the data |
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263 * |
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264 * @param void |
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265 * @return boolean (ETrue/EFalse) |
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266 */ |
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267 TBool IsActive(); |
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268 |
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269 /** |
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270 * Publish a specific text of the widget |
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271 * |
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272 * @param aObserver observer |
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273 * @param aContentId content model id |
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274 * @param aContentValue content value |
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275 * @return void |
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276 */ |
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277 void PublishTextL(MAiContentObserver* aObserver, |
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278 TInt aContentId, const TDesC16& aContentValue); |
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279 |
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280 /** |
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281 * Publish a specific image of the widget |
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282 * |
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283 * @param aObserver observer |
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284 * @param aContentId content model id |
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285 * @param aHandle image handle |
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286 * @param aMaskHandle handle of the mask image |
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287 * @return void |
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288 */ |
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289 void PublishImageL(MAiContentObserver* aObserver, |
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290 TContentItem aContentId, TInt aHandle, TInt aMaskHandle); |
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291 |
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292 /** |
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293 * Publish a specific image of the widget |
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294 * |
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295 * @param aObserver observer |
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296 * @param aContentId content model id |
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297 * @param aPath image path / skin id pattern / mif id Pattern |
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298 * @return void |
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299 */ |
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300 void PublishImageL(MAiContentObserver* aObserver, |
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301 TContentItem aContentId, const TDesC16& aPath ); |
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302 |
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303 /** |
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304 * Cleans a data from the widget |
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305 * |
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306 * @param aObserver observer |
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307 * @param aContentId content model id |
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308 * @return void |
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309 */ |
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310 void Clean(MAiContentObserver* aObserver, |
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311 TInt aContentId ); |
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312 |
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313 /** |
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314 * Shows the loading icon animation |
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315 * |
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316 * @param aObserver observer |
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317 * @return void |
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318 */ |
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319 void ShowLoadingIcon(MAiContentObserver* aObserver); |
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320 |
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321 /** |
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322 * Hides the loading icon animation |
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323 * |
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324 * @param aObserver observer |
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325 * @return void |
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326 */ |
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327 void HideLoadingIcon(MAiContentObserver* aObserver); |
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328 |
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329 /** |
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330 * CWrtData getter |
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331 * @return Pointer to CWrtData |
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332 */ |
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333 inline CWrtData* Data() const |
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334 { |
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335 return iData; |
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336 } |
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337 |
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338 /* |
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339 * Plugin's network status getter |
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340 * @return Pointer to Harvester status observer |
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341 */ |
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342 inline TPluginNetworkStatus NetworkStatus() const |
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343 { |
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344 return iNetworkStatus; |
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345 } |
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346 |
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347 private: |
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348 |
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349 /** |
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350 * Constructor |
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351 * |
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352 * @param none |
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353 * @return none |
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354 */ |
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355 CWrtDataPlugin(); |
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356 |
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357 /** |
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358 * Part of the two phased construction |
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359 * |
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360 * @param void |
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361 * @return void |
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362 */ |
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363 void ConstructL(); |
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364 |
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365 /** |
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366 * Publishes widget's texts and images |
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367 * |
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368 * @param void |
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369 * @return void |
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370 */ |
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371 void PublishL(); |
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372 |
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373 /** |
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374 * Resume the plug-in. |
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375 * |
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376 * @param aReason reason for state change, see TAiTransitionChange. |
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377 * @return void |
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378 */ |
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379 void DoResumeL(TAiTransitionReason aReason); |
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380 |
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381 /** |
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382 * Resolves skin item id and Mif id from pattern |
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383 * skin( <majorId> <minorId> (<colourGroupId>) |
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384 * mif(<MifFileName.mif> <bitmapId> <maskId>) |
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385 * |
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386 * @param aPath skin pattern / mif pattern value |
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387 * @param aItemId skin item id |
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388 * @param aMifId mif id |
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389 * @param aMaskId mask id |
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390 * @param aFilename mif file name |
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391 * @return boolean (ETrue/EFalse) |
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392 */ |
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393 TBool ResolveSkinIdAndMifId( const TDesC& aPath, TAknsItemID& aItemId, |
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394 TInt& aMifId, TInt& aMaskId, TDes& aFilename ); |
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395 |
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396 private: // data |
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397 |
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398 // Iterator for plugin content |
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399 // Own |
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400 MAiContentItemIterator* iContent; |
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401 |
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402 // Array of content observers |
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403 // Own |
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404 RPointerArray<MAiContentObserver> iObservers; |
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405 |
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406 // Information about the content publisher (this plug-in) |
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407 TAiPublisherInfo iInfo; |
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408 |
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409 // Number of data in the content model. |
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410 TInt iDataCount; |
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411 |
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412 // Dynamic content model |
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413 // Own |
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414 TAiContentItem* iContentModel; |
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415 |
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416 // Reference array for Published text |
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417 // Own |
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418 RPointerArray<HBufC> iDataArray; |
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419 |
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420 // Service API Data Subscriber. |
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421 // Own |
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422 CWrtData* iData; |
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423 |
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424 // References array for published images |
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425 // Own |
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426 RArray<CGulIcon*> iIconArray; |
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427 |
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428 // Plugin's network status |
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429 TPluginNetworkStatus iNetworkStatus; |
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430 |
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431 // Is Homescreen foreground. |
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432 TBool iHSForeGround; |
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433 |
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434 // Is KeyLockON. |
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435 TBool iKeyLockOn; |
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436 |
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437 // Plugin state |
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438 TPluginStates iPluginState; |
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439 }; |
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440 |
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441 #endif // WRTDATAPLUGIN_H |
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442 |
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443 |
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