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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: Implementation of view plugin handler |
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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 <mpxcustomcommandobserver.h> |
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22 #include <mpxviewplugin.hrh> |
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23 #include "mpxpluginhandlerobserver.h" |
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24 #include "mpxviewpluginhandler.h" |
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25 #include "mpxlog.h" |
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26 |
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27 // ======== MEMBER FUNCTIONS ======== |
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28 |
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29 // --------------------------------------------------------------------------- |
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30 // C++ default constructor can NOT contain any code, that |
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31 // might leave. |
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32 // --------------------------------------------------------------------------- |
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33 // |
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34 CMPXViewPluginHandler::CMPXViewPluginHandler( |
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35 MMPXCustomCommandObserver* aCommandObserver, |
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36 MMPXPluginHandlerObserver& aObserver ) : |
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37 CMPXPluginHandlerBase( |
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38 TUid::Uid( KMPXViewPluginInterfaceUid ), ESelectionType, 0, aObserver ), |
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39 iCommandObserver( aCommandObserver ) |
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40 { |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // By default Symbian 2nd phase constructor is private. |
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45 // --------------------------------------------------------------------------- |
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46 // |
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47 void CMPXViewPluginHandler::ConstructL() |
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48 { |
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49 MPX_FUNC( "CMPXViewPluginHandler::ConstructL" ); |
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50 BaseConstructL(); |
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51 } |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // Two-phased constructor. |
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55 // --------------------------------------------------------------------------- |
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56 // |
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57 CMPXViewPluginHandler* CMPXViewPluginHandler::NewL( |
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58 MMPXCustomCommandObserver* aCommandObserver, |
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59 MMPXPluginHandlerObserver& aObserver ) |
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60 { |
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61 CMPXViewPluginHandler* self = |
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62 new ( ELeave ) CMPXViewPluginHandler( aCommandObserver, aObserver ); |
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63 CleanupStack::PushL( self ); |
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64 self->ConstructL(); |
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65 CleanupStack::Pop( self ); |
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66 |
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67 return self; |
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68 } |
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69 |
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70 // --------------------------------------------------------------------------- |
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71 // Destructor |
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72 // --------------------------------------------------------------------------- |
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73 // |
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74 CMPXViewPluginHandler::~CMPXViewPluginHandler() |
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75 { |
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76 for ( TInt i = iLoadedPlugins.Count(); --i >= 0; ) |
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77 { |
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78 iLoadedPlugins[i]->DestroyView(); |
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79 } |
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80 iLoadedPlugins.ResetAndDestroy(); |
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81 iLoadPluginUids.Close(); |
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82 |
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83 iCommandObserver = NULL; |
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84 } |
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85 |
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86 // --------------------------------------------------------------------------- |
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87 // Resolve view plugin based on the criteria passed in parameter. |
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88 // --------------------------------------------------------------------------- |
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89 // |
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90 CMPXViewPlugin* CMPXViewPluginHandler::ResolvePluginL( |
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91 const TUid& aUid, TUid& aResolvedPluginType, |
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92 TUid& aResolvedPluginImplementationUid ) |
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93 { |
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94 MPX_FUNC( "CMPXViewPluginHandler::ResolvePluginL single uid" ); |
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95 RArray<TUid> array; |
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96 CleanupClosePushL( array ); |
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97 array.AppendL( aUid ); |
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98 CMPXViewPlugin* plugin( NULL ); |
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99 plugin = ResolvePluginL( |
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100 array, aResolvedPluginType, aResolvedPluginImplementationUid ); |
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101 CleanupStack::PopAndDestroy( &array ); |
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102 |
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103 return plugin; |
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104 } |
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105 |
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106 // --------------------------------------------------------------------------- |
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107 // Resolve view plugin based on the criteria passed in parameter. |
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108 // --------------------------------------------------------------------------- |
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109 // |
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110 CMPXViewPlugin* CMPXViewPluginHandler::ResolvePluginL( |
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111 const RArray<TUid>& aUids, TUid& aResolvedPluginType, |
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112 TUid& aResolvedPluginImplementationUid ) |
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113 { |
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114 MPX_FUNC( "CMPXViewPluginHandler::ResolvePluginL uid array" ); |
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115 #ifdef _DEBUG |
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116 for ( TInt i = 0; i < aUids.Count(); i++ ) |
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117 { |
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118 MPX_DEBUG2( "CMPXViewPluginHandler::ResolvePluginL input Uid = 0x%x", aUids[i].iUid ); |
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119 } |
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120 #endif // _DEBUG |
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121 TUid impUid( FindPlugin( aUids.Array() ) ); |
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122 MPX_DEBUG2( "CMPXViewPluginHandler::ResolvePluginL resolved implementation Uid = 0x%x", impUid.iUid ); |
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123 if ( impUid == KNullUid ) |
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124 { |
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125 User::Leave( KErrNotFound ); |
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126 } |
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127 else |
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128 { |
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129 aResolvedPluginImplementationUid = impUid; |
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130 aResolvedPluginType = PluginType( impUid ); |
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131 } |
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132 return PluginL( impUid ); |
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133 } |
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134 |
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135 // --------------------------------------------------------------------------- |
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136 // Get a list of plugins that need to be pre-loaded. |
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137 // --------------------------------------------------------------------------- |
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138 // |
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139 void CMPXViewPluginHandler::GetPreLoadPluginsL( RArray<TUid>& aUids, const TUid& aUid ) |
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140 { |
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141 MPX_DEBUG2( "CMPXViewPluginHandler::GetPreLoadPluginsL aUID: 0x%x", aUid ); |
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142 RArray<TUid> array; |
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143 CleanupClosePushL( array ); |
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144 GetPluginUids( array ); |
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145 |
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146 for ( TInt i = array.Count(); --i >= 0; ) |
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147 { |
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148 if ( PluginFlagsL( array[ i ] ) & EMPXPluginFlagPreLoad ) |
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149 { |
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150 if ( aUid == KNullUid ) |
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151 { |
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152 MPX_DEBUG2( "CMPXViewPluginHandler::GetPreLoadPluginsL adding UID: 0x%x", array[i] ); |
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153 aUids.Append( array[ i ] ); |
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154 } |
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155 else |
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156 { |
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157 TUid impUid = SupportedAppUid( array[ i ] ); |
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158 MPX_DEBUG2( "APP UID: 0x%x", impUid ); |
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159 if ( aUid == impUid ) |
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160 { |
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161 MPX_DEBUG2( "CMPXViewPluginHandler::GetPreLoadPluginsL adding UID: 0x%x", array[i] ); |
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162 aUids.Append( array[ i ] ); |
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163 } |
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164 } |
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165 } |
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166 } |
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167 CleanupStack::PopAndDestroy( &array ); |
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168 } |
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169 |
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170 // --------------------------------------------------------------------------- |
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171 // From MMPXViewPluginManager |
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172 // Return view plugin with specific view plugin uid. |
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173 // --------------------------------------------------------------------------- |
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174 // |
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175 CMPXViewPlugin* CMPXViewPluginHandler::PluginL( |
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176 const TUid& aUid ) |
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177 { |
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178 MPX_FUNC( "CMPXViewPluginHandler::PluginL" ); |
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179 CMPXViewPlugin* plugin( NULL ); |
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180 TInt index = iLoadPluginUids.Find( aUid ); |
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181 |
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182 if ( KErrNotFound == index ) |
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183 { |
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184 // Check if uid is a valid view plugin uid. |
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185 if ( IndexOf( aUid ) != KErrNotFound ) |
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186 { |
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187 plugin = CMPXViewPlugin::NewL( aUid, iCommandObserver ); |
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188 CleanupStack::PushL( plugin ); |
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189 iLoadPluginUids.AppendL( aUid ); |
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190 iLoadedPlugins.AppendL( plugin ); |
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191 CleanupStack::Pop( plugin ); |
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192 } |
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193 else |
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194 { |
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195 // Leave if not found |
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196 User::Leave( KErrNotFound ); |
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197 } |
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198 } |
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199 else |
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200 { |
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201 plugin = iLoadedPlugins[index]; |
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202 } |
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203 return plugin; |
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204 } |
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205 |
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206 // --------------------------------------------------------------------------- |
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207 // From MMPXViewPluginManager |
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208 // Resolve view plugin based on the criteria passed in parameter. |
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209 // --------------------------------------------------------------------------- |
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210 // |
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211 CMPXViewPlugin* CMPXViewPluginHandler::ResolvePluginL( |
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212 const TUid& aUid, TUid& aResolvedPluginType ) |
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213 { |
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214 MPX_FUNC( "CMPXViewPluginHandler::ResolvePluginL single uid wrapper" ); |
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215 TUid impUid( KNullUid ); |
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216 return ResolvePluginL( aUid, aResolvedPluginType, impUid ); |
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217 } |
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218 |
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219 // --------------------------------------------------------------------------- |
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220 // From MMPXViewPluginManager |
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221 // Resolve view plugin based on the criteria passed in parameter. |
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222 // --------------------------------------------------------------------------- |
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223 // |
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224 CMPXViewPlugin* CMPXViewPluginHandler::ResolvePluginL( |
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225 const RArray<TUid>& aUids, TUid& aResolvedPluginType ) |
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226 { |
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227 MPX_FUNC( "CMPXViewPluginHandler::ResolvePluginL uid array wrapper" ); |
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228 TUid impUid( KNullUid ); |
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229 return ResolvePluginL( aUids, aResolvedPluginType, impUid ); |
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230 } |
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231 |
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232 // --------------------------------------------------------------------------- |
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233 // From CMPXPluginHandlerBase |
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234 // Resolve view plugin based on the criteria passed in parameter. |
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235 // --------------------------------------------------------------------------- |
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236 // |
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237 void CMPXViewPluginHandler::ResolvePluginL() |
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238 { |
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239 MPX_FUNC( "CMPXViewPluginHandler::ResolvePluginL" ); |
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240 // not used |
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241 } |
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242 |
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243 // ---------------------------------------------------------------------------- |
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244 // CMPXViewPluginHandler::IsPluginLoaded |
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245 // ---------------------------------------------------------------------------- |
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246 // |
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247 TBool CMPXViewPluginHandler::IsPluginLoaded( |
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248 const TUid& aPluginUid) |
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249 { |
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250 MPX_FUNC("CMPXViewPluginHandler::IsPluginLoaded"); |
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251 return (iLoadPluginUids.Find(aPluginUid) != KErrNotFound); |
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252 } |
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253 |
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254 // ---------------------------------------------------------------------------- |
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255 // CMPXViewPluginHandler::LoadPluginL |
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256 // ---------------------------------------------------------------------------- |
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257 // |
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258 void CMPXViewPluginHandler::LoadPluginL( |
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259 const TUid& aPluginUid) |
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260 { |
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261 MPX_FUNC("CMPXViewPluginHandler::LoadPluginL"); |
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262 (void)PluginL(aPluginUid); |
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263 } |
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264 |
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265 // ---------------------------------------------------------------------------- |
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266 // Unload the plugin |
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267 // ---------------------------------------------------------------------------- |
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268 // |
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269 void CMPXViewPluginHandler::UnloadPlugin( |
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270 const TUid& aUid) |
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271 { |
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272 MPX_FUNC("CMPXViewPluginHandler::UnloadPlugin"); |
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273 |
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274 TInt index = iLoadPluginUids.Find(aUid); |
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275 if (index != KErrNotFound) |
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276 { |
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277 CMPXViewPlugin* plugin = iLoadedPlugins[index]; |
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278 plugin->DestroyView(); |
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279 iLoadedPlugins.Remove(index); |
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280 iLoadPluginUids.Remove(index); |
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281 delete plugin; |
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282 } |
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283 } |
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284 |
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285 |
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286 // End of File |