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1 /* |
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2 * Copyright (c) 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: Data class to hold application root configuration info |
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15 * |
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16 */ |
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17 |
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18 // User includes |
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19 #include "xnviewmanager.h" |
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20 #include "xnviewdata.h" |
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21 |
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22 #include "xnappuiadapter.h" |
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23 #include "xncontroladapter.h" |
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24 #include "xnuiengine.h" |
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25 #include "xnecomhandler.h" |
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26 #include "xncomposer.h" |
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27 #include "xnodtparser.h" |
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28 |
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29 #include "xndomdocument.h" |
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30 #include "xndomnode.h" |
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31 #include "xnodt.h" |
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32 |
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33 #include "xnnode.h" |
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34 #include "xntype.h" |
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35 |
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36 #include "xnpanic.h" |
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37 |
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38 #include "xnplugindata.h" |
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39 #include "xnrootdata.h" |
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40 |
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41 // Constants |
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42 const TInt KScheduleInterval( 1000000 ); |
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43 |
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44 // ============================ LOCAL FUNCTIONS ================================ |
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45 |
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46 // ============================ MEMBER FUNCTIONS =============================== |
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47 // ----------------------------------------------------------------------------- |
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48 // CXnRootData::NewL() |
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49 // Two-phased constructor. |
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50 // ----------------------------------------------------------------------------- |
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51 // |
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52 CXnRootData* CXnRootData::NewL( CXnViewManager& aManager, |
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53 TUid aApplicationUid ) |
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54 { |
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55 CXnRootData* self = CXnRootData::NewLC( aManager, aApplicationUid ); |
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56 CleanupStack::Pop( self ); |
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57 return self; |
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58 } |
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59 |
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60 // ----------------------------------------------------------------------------- |
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61 // CXnRootData::NewLC() |
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62 // Two-phased constructor. |
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63 // ----------------------------------------------------------------------------- |
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64 // |
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65 CXnRootData* CXnRootData::NewLC( CXnViewManager& aManager, |
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66 TUid aApplicationUid ) |
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67 { |
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68 CXnRootData* self = new ( ELeave ) CXnRootData( aManager, aApplicationUid ); |
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69 CleanupStack::PushL( self ); |
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70 self->ConstructL(); |
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71 return self; |
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72 } |
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73 |
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74 // ----------------------------------------------------------------------------- |
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75 // CXnRootData::CXnRootData() |
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76 // C++ default constructor |
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77 // ----------------------------------------------------------------------------- |
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78 // |
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79 CXnRootData::CXnRootData( CXnViewManager& aManager, TUid aApplicationUid ) |
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80 : CXnPluginData( aManager ), iApplicationUid( aApplicationUid ) |
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81 { |
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82 iFlags.Clear( EIsRemovable ); |
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83 } |
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84 |
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85 // ----------------------------------------------------------------------------- |
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86 // CXnRootData::~CXnRootData() |
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87 // C++ default destructor. |
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88 // ----------------------------------------------------------------------------- |
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89 // |
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90 CXnRootData::~CXnRootData() |
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91 { |
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92 if ( iLoadTimer ) |
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93 { |
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94 iLoadTimer->Cancel(); |
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95 } |
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96 |
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97 delete iLoadTimer; |
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98 |
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99 if ( iDestroyTimer ) |
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100 { |
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101 iDestroyTimer->Cancel(); |
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102 } |
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103 |
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104 delete iDestroyTimer; |
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105 |
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106 iViewsToDestroy.ResetAndDestroy(); |
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107 |
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108 iPluginsData.ResetAndDestroy(); |
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109 |
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110 delete iODT->DomDocument().RootNode()->LayoutNode(); |
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111 |
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112 delete iODT; |
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113 |
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114 delete iParser; |
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115 delete iEcomHandler; |
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116 |
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117 User::Heap().Compress(); |
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118 } |
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119 |
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120 // ----------------------------------------------------------------------------- |
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121 // CXnRootData::ConstructL() |
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122 // 2nd phase constructor |
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123 // ----------------------------------------------------------------------------- |
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124 // |
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125 void CXnRootData::ConstructL() |
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126 { |
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127 CXnPluginData::ConstructL(); |
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128 |
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129 iEcomHandler = CXnEcomHandler::NewL(); |
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130 |
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131 iParser = CXnODTParser::NewL( iManager, *iEcomHandler ); |
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132 |
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133 iLoadTimer = CPeriodic::NewL( CActive::EPriorityStandard ); |
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134 iDestroyTimer = CPeriodic::NewL( CActive::EPriorityStandard ); |
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135 } |
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136 |
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137 // ----------------------------------------------------------------------------- |
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138 // CXnRootData::LoadL() |
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139 // |
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140 // ----------------------------------------------------------------------------- |
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141 // |
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142 void CXnRootData::LoadL() |
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143 { |
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144 if ( Occupied() ) |
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145 { |
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146 return; |
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147 } |
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148 |
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149 // Load application root configuration |
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150 TRAPD( error, |
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151 |
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152 iODT = iManager.Composer().ComposeRootL( *this ); |
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153 |
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154 if ( iODT ) |
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155 { |
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156 iManager.Parser().LoadRootL( *this, iApplicationUid ); |
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157 } |
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158 ); |
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159 |
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160 if ( !iODT || error || !Occupied() ) |
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161 { |
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162 // Can't recover |
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163 Panic( EXnInvalidConfiguration ); |
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164 } |
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165 |
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166 RPointerArray< CXnViewData > failedPlugins; |
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167 CleanupClosePushL( failedPlugins ); |
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168 |
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169 TBool succeed( EFalse ); |
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170 |
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171 for ( TInt i = 0; i < iPluginsData.Count(); i++ ) |
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172 { |
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173 CXnViewData* plugin( |
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174 static_cast< CXnViewData* >( iPluginsData[ i ] ) ); |
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175 |
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176 if ( plugin->Initial() ) |
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177 { |
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178 plugin->LoadL(); |
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179 |
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180 if ( plugin->Occupied() ) |
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181 { |
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182 succeed = ETrue; |
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183 } |
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184 else |
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185 { |
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186 // Failed to load |
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187 failedPlugins.AppendL( plugin ); |
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188 } |
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189 |
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190 break; |
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191 } |
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192 } |
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193 |
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194 for ( TInt i = 0; !succeed && i < iPluginsData.Count(); i++ ) |
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195 { |
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196 CXnViewData* plugin( |
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197 static_cast< CXnViewData* >( iPluginsData[ i ] ) ); |
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198 |
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199 if ( failedPlugins.Find( plugin ) == KErrNotFound ) |
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200 { |
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201 plugin->SetInitial(); |
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202 |
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203 plugin->LoadL(); |
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204 |
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205 if ( plugin->Occupied() ) |
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206 { |
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207 succeed = ETrue; |
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208 } |
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209 else |
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210 { |
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211 // Failed to load |
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212 failedPlugins.AppendL( plugin ); |
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213 } |
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214 } |
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215 } |
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216 |
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217 if ( !succeed ) |
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218 { |
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219 // Can't recover |
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220 Panic( EXnInvalidConfiguration ); |
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221 } |
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222 |
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223 for ( TInt i = failedPlugins.Count() - 1; i >= 0; i-- ) |
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224 { |
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225 CXnPluginData* toDestroy( failedPlugins[i] ); |
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226 |
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227 TInt index( iPluginsData.Find( toDestroy ) ); |
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228 |
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229 iPluginsData.Remove( index ); |
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230 |
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231 delete toDestroy; |
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232 toDestroy = NULL; |
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233 } |
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234 |
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235 CleanupStack::PopAndDestroy( &failedPlugins ); |
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236 } |
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237 |
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238 // ----------------------------------------------------------------------------- |
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239 // CXnRootData::Destroy() |
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240 // |
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241 // ----------------------------------------------------------------------------- |
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242 // |
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243 void CXnRootData::Destroy() |
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244 { |
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245 iLoadTimer->Cancel(); |
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246 iDestroyTimer->Cancel(); |
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247 |
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248 iFlags.Set( EIsDispose ); |
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249 |
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250 iDestroyTimer->Start( TTimeIntervalMicroSeconds32( 0 ), |
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251 TTimeIntervalMicroSeconds32( 0 ), |
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252 TCallBack( RunDestroyL, this ) ); |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CXnRootData::LoadRemainingViews() |
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257 // |
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258 // ----------------------------------------------------------------------------- |
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259 // |
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260 void CXnRootData::LoadRemainingViews() |
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261 { |
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262 if ( iFlags.IsClear( EIsDispose ) && !AllViewsLoaded() ) |
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263 { |
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264 iLoadForward = ETrue; |
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265 |
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266 iLoadTimer->Cancel(); |
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267 |
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268 iLoadTimer->Start( TTimeIntervalMicroSeconds32( KScheduleInterval ), |
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269 TTimeIntervalMicroSeconds32( KScheduleInterval ), |
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270 TCallBack( RunLoadL, this ) ); |
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271 } |
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272 } |
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273 |
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274 // ----------------------------------------------------------------------------- |
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275 // CXnRootData::CancelLoadRemainingViews() |
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276 // |
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277 // ----------------------------------------------------------------------------- |
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278 // |
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279 void CXnRootData::CancelLoadRemainingViews() |
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280 { |
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281 if ( iFlags.IsClear( EIsDispose ) && !AllViewsLoaded() ) |
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282 { |
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283 iLoadTimer->Cancel(); |
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284 } |
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285 } |
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286 |
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287 // ----------------------------------------------------------------------------- |
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288 // CXnRootData::ODT() |
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289 // |
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290 // ----------------------------------------------------------------------------- |
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291 // |
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292 CXnODT* CXnRootData::ODT() const |
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293 { |
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294 return iODT; |
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295 } |
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296 |
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297 // ----------------------------------------------------------------------------- |
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298 // CXnRootData::RootNode() |
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299 // |
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300 // ----------------------------------------------------------------------------- |
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301 // |
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302 CXnNode* CXnRootData::RootNode() const |
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303 { |
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304 return iODT->DomDocument().RootNode()->LayoutNode(); |
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305 } |
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306 |
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307 // ----------------------------------------------------------------------------- |
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308 // CXnRootData::Parser() |
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309 // |
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310 // ----------------------------------------------------------------------------- |
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311 // |
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312 CXnODTParser& CXnRootData::Parser() const |
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313 { |
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314 return *iParser; |
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315 } |
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316 |
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317 // ----------------------------------------------------------------------------- |
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318 // CXnRootData::EcomHandler() |
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319 // |
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320 // ----------------------------------------------------------------------------- |
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321 // |
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322 CXnEcomHandler& CXnRootData::EcomHandler() const |
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323 { |
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324 return *iEcomHandler; |
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325 } |
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326 |
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327 // ----------------------------------------------------------------------------- |
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328 // CXnRootData::ActiveViewData() |
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329 // Finds the active view data |
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330 // ----------------------------------------------------------------------------- |
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331 // |
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332 CXnViewData& CXnRootData::ActiveViewData() const |
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333 { |
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334 for ( TInt i = 0; i < iPluginsData.Count(); i++ ) |
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335 { |
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336 CXnViewData& plugin( static_cast< CXnViewData& >( *iPluginsData[i] ) ); |
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337 |
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338 if ( plugin.Active() ) |
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339 { |
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340 return plugin; |
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341 } |
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342 } |
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343 |
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344 // If active is not set, then try initial |
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345 for ( TInt i = 0; i < iPluginsData.Count(); i++ ) |
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346 { |
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347 CXnViewData& plugin( static_cast< CXnViewData& >( *iPluginsData[i] ) ); |
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348 |
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349 if ( plugin.Initial() ) |
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350 { |
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351 return plugin; |
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352 } |
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353 } |
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354 |
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355 Panic( EXnInvalidConfiguration ); |
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356 |
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357 // Remove compiler warning |
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358 return static_cast< CXnViewData& > ( *iPluginsData[0] ); |
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359 } |
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360 |
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361 // ----------------------------------------------------------------------------- |
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362 // CXnRootData::PreviousViewData() |
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363 // Finds the active view data |
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364 // ----------------------------------------------------------------------------- |
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365 // |
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366 CXnViewData& CXnRootData::PreviousViewData() const |
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367 { |
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368 CXnViewData& active( ActiveViewData() ); |
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369 |
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370 TInt count( iPluginsData.Count() ); |
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371 |
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372 if ( count == 1 ) |
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373 { |
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374 // Only one view available |
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375 return active; |
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376 } |
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377 |
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378 TInt index( iPluginsData.Find( &active ) ); |
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379 |
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380 if ( index == 0 ) |
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381 { |
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382 // Return the last |
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383 return static_cast< CXnViewData& >( *iPluginsData[ count - 1 ] ); |
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384 } |
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385 else |
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386 { |
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387 // Return the previous |
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388 return static_cast< CXnViewData& >( *iPluginsData[ index - 1 ] ); |
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389 } |
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390 } |
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391 |
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392 // ----------------------------------------------------------------------------- |
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393 // CXnRootData::NextViewData() |
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394 // Finds the active view data |
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395 // ----------------------------------------------------------------------------- |
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396 // |
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397 CXnViewData& CXnRootData::NextViewData() const |
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398 { |
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399 CXnViewData& active( ActiveViewData() ); |
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400 |
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401 TInt count( iPluginsData.Count() ); |
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402 |
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403 if ( count == 1 ) |
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404 { |
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405 // Only one view available |
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406 return active; |
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407 } |
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408 |
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409 TInt index( iPluginsData.Find( &active ) ); |
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410 |
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411 if ( index + 1 < count ) |
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412 { |
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413 // Return the next |
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414 return static_cast< CXnViewData& >( *iPluginsData[ index + 1 ] ); |
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415 } |
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416 else |
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417 { |
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418 // Return the first |
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419 return static_cast< CXnViewData& >( *iPluginsData[ 0 ] ); |
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420 } |
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421 } |
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422 |
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423 // ----------------------------------------------------------------------------- |
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424 // CXnRootData::DestroyViewData() |
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425 // Sets view data to be destroyed |
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426 // ----------------------------------------------------------------------------- |
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427 // |
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428 void CXnRootData::DestroyViewData( CXnViewData* aViewData ) |
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429 { |
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430 TInt index( iPluginsData.Find( aViewData ) ); |
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431 |
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432 if ( index != KErrNotFound ) |
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433 { |
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434 iPluginsData.Remove( index ); |
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435 |
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436 if ( iViewsToDestroy.Find( aViewData ) == KErrNotFound ) |
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437 { |
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438 iViewsToDestroy.Append( aViewData ); |
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439 |
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440 iDestroyTimer->Cancel(); |
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441 |
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442 iDestroyTimer->Start( TTimeIntervalMicroSeconds32( 0 ), |
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443 TTimeIntervalMicroSeconds32( 0 ), |
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444 TCallBack( RunDestroyL, this ) ); |
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445 } |
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446 } |
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447 } |
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448 |
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449 // ----------------------------------------------------------------------------- |
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450 // CXnRootData::AllViewsLoaded() |
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451 // |
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452 // ----------------------------------------------------------------------------- |
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453 // |
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454 TBool CXnRootData::AllViewsLoaded() const |
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455 { |
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456 for ( TInt i = 0; i < iPluginsData.Count(); i++ ) |
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457 { |
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458 if ( !iPluginsData[i]->Occupied() ) |
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459 { |
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460 return EFalse; |
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461 } |
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462 } |
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463 |
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464 return ETrue; |
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465 } |
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466 |
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467 // ----------------------------------------------------------------------------- |
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468 // CXnRootData::AllViewsDestroyed() |
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469 // |
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470 // ----------------------------------------------------------------------------- |
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471 // |
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472 TBool CXnRootData::AllViewsDestroyed() const |
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473 { |
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474 return ( iPluginsData.Count() == 0 ) && iFlags.IsSet( EIsDispose ); |
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475 } |
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476 |
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477 // ----------------------------------------------------------------------------- |
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478 // CXnRootData::RunLoadL() |
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479 // |
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480 // ----------------------------------------------------------------------------- |
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481 // |
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482 /* static */ TInt CXnRootData::RunLoadL( TAny* aAny ) |
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483 { |
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484 CXnRootData* self = static_cast< CXnRootData* >( aAny ); |
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485 |
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486 if ( self->iFlags.IsSet( EIsDispose ) ) |
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487 { |
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488 self->iLoadTimer->Cancel(); |
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489 } |
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490 else |
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491 { |
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492 CXnPluginData& active( self->ActiveViewData() ); |
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493 |
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494 CXnPluginData* toLoad( NULL ); |
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495 |
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496 TInt index( self->iPluginsData.Find( &active ) ); |
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497 TInt count( self->iPluginsData.Count() ); |
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498 |
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499 if ( self->iLoadForward ) |
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500 { |
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501 self->iLoadForward = EFalse; |
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502 |
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503 // Start from the next one |
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504 index = index + 1; |
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505 |
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506 if ( index == count ) |
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507 { |
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508 index = 0; |
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509 } |
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510 |
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511 for ( TInt i = index; i < self->iPluginsData.Count(); i++ ) |
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512 { |
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513 if ( !self->iPluginsData[i]->Occupied() ) |
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514 { |
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515 toLoad = self->iPluginsData[i]; |
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516 break; |
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517 } |
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518 } |
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519 } |
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520 else |
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521 { |
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522 self->iLoadForward = ETrue; |
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523 |
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524 if ( index == 0 ) |
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525 { |
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526 index = count - 1; |
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527 } |
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528 else |
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529 { |
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530 index = index - 1; |
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531 } |
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532 |
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533 for ( TInt i = index; i >= 0; i-- ) |
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534 { |
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535 if ( !self->iPluginsData[i]->Occupied() ) |
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536 { |
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537 toLoad = self->iPluginsData[i]; |
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538 break; |
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539 } |
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540 } |
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541 } |
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542 |
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543 if ( !self->AllViewsLoaded() && toLoad ) |
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544 { |
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545 toLoad->LoadL(); |
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546 } |
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547 |
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548 if ( self->AllViewsLoaded() ) |
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549 { |
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550 self->iLoadTimer->Cancel(); |
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551 } |
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552 } |
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553 |
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554 return KErrNone; |
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555 } |
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556 |
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557 // ----------------------------------------------------------------------------- |
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558 // CXnRootData::SetMaxPages( TInt32 aPages ) |
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559 // |
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560 // ----------------------------------------------------------------------------- |
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561 // |
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562 void CXnRootData::SetMaxPages( TInt32 aPages ) |
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563 { |
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564 iMaxPages = aPages; |
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565 } |
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566 |
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567 // ----------------------------------------------------------------------------- |
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568 // CXnRootData::MaxPages() |
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569 // |
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570 // ----------------------------------------------------------------------------- |
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571 // |
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572 TInt32 CXnRootData::MaxPages() |
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573 { |
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574 return iMaxPages; |
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575 } |
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576 |
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577 // ----------------------------------------------------------------------------- |
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578 // CXnRootData::RunDestroyL() |
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579 // |
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580 // ----------------------------------------------------------------------------- |
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581 // |
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582 /* static */ TInt CXnRootData::RunDestroyL( TAny* aAny ) |
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583 { |
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584 CXnRootData* self = static_cast< CXnRootData* >( aAny ); |
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585 |
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586 if( self->iFlags.IsSet( EIsDispose ) ) |
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587 { |
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588 for ( TInt i = 0; i < self->iViewsToDestroy.Count(); i++ ) |
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589 { |
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590 if ( self->iPluginsData.Find( |
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591 self->iViewsToDestroy[i] ) == KErrNotFound ) |
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592 { |
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593 // These must be deleted also |
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594 self->iPluginsData.AppendL( self->iViewsToDestroy[i] ); |
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595 } |
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596 } |
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597 |
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598 self->iViewsToDestroy.Reset(); |
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599 |
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600 if ( self->iPluginsData.Count() > 0 ) |
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601 { |
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602 CXnPluginData* toDestroy( self->iPluginsData[0] ); |
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603 |
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604 delete toDestroy; |
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605 toDestroy = NULL; |
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606 |
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607 self->iPluginsData.Remove( 0 ); |
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608 |
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609 User::Heap().Compress(); |
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610 } |
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611 |
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612 if ( self->AllViewsDestroyed() ) |
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613 { |
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614 // All done |
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615 delete self; |
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616 } |
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617 } |
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618 else |
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619 { |
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620 if ( self->iViewsToDestroy.Count() > 0 ) |
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621 { |
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622 CXnPluginData* toDestroy( self->iViewsToDestroy[0] ); |
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623 |
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624 delete toDestroy; |
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625 toDestroy = NULL; |
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626 |
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627 self->iViewsToDestroy.Remove( 0 ); |
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628 |
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629 User::Heap().Compress(); |
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630 } |
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631 |
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632 if ( self->iViewsToDestroy.Count() == 0 ) |
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633 { |
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634 if ( self->iFlags.IsClear( EIsDispose ) ) |
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635 { |
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636 self->iDestroyTimer->Cancel(); |
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637 } |
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638 } |
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639 } |
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640 |
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641 return KErrNone; |
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642 } |
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643 |
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644 // End of file |
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645 |