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1 /* |
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2 * Copyright (c) 2010 Ixonos Plc. |
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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 the "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 * Ixonos Plc |
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14 * |
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15 * Description: |
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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 |
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21 #include <e32std.h> |
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22 #include <eikenv.h> |
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23 |
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24 #include "PluginLoader.h" |
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25 #include "ImageEditorError.h" |
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26 |
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27 #include "../../ImageEditor/inc/plugintypedef.h" |
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28 |
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29 //============================================================================= |
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30 CPluginLoader * CPluginLoader::NewL ( |
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31 const TDesC & aFileName, |
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32 const TUid * aUID2, |
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33 const TUid * aUID3 |
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34 ) |
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35 { |
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36 CPluginLoader * self = CPluginLoader::NewLC (aFileName, aUID2, aUID3); |
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37 CleanupStack::Pop (); // self |
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38 return self; |
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39 } |
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40 |
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41 //============================================================================= |
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42 CPluginLoader * CPluginLoader::NewLC ( |
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43 const TDesC & aFileName, |
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44 const TUid * aUID2, |
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45 const TUid * aUID3 |
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46 ) |
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47 { |
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48 CPluginLoader * self = new (ELeave) CPluginLoader; |
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49 CleanupStack::PushL (self); |
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50 self->ConstructL (aFileName, aUID2, aUID3); |
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51 return self; |
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52 } |
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53 |
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54 //============================================================================= |
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55 CPluginLoader::~CPluginLoader () |
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56 { |
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57 delete iPlugin; |
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58 iLibrary.Close(); |
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59 } |
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60 |
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61 //============================================================================= |
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62 CPluginLoader::CPluginLoader () |
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63 { |
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64 |
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65 } |
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66 |
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67 //============================================================================= |
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68 void CPluginLoader::ConstructL ( |
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69 const TDesC & aFileName, |
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70 const TUid * aUID2, |
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71 const TUid * aUID3 |
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72 ) |
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73 { |
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74 LOGFMT(KImageEditorLogFile, "CPluginLoader: Loading plugin %S", &aFileName); |
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75 |
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76 // Dynamically load DLL |
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77 TInt err = iLibrary.Load (aFileName); |
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78 if (err != KErrNone) |
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79 { |
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80 LOGFMT(KImageEditorLogFile,"CPluginLoader: Failed to load file: %S", &aFileName); |
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81 User::Leave (KSIEEInternal); |
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82 } |
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83 |
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84 // Check UID2 |
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85 if (aUID2) |
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86 { |
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87 if ( iLibrary.Type()[1] != *aUID2 ) |
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88 { |
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89 LOG(KImageEditorLogFile, "CPluginLoader: Invalid plugin UID"); |
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90 User::Leave (KSIEEInternal); |
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91 } |
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92 |
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93 } |
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94 |
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95 // Check UID3 |
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96 if (aUID3) |
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97 { |
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98 if ( iLibrary.Type()[2] != *aUID3 ) |
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99 { |
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100 LOG(KImageEditorLogFile, "CPluginLoader: Invalid plugin UID"); |
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101 User::Leave (KSIEEInternal); |
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102 } |
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103 } |
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104 |
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105 // Create a plugin by calling ordinal 1 factory method |
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106 TLibraryFunction entrypoint = iLibrary.Lookup (1); |
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107 iPlugin = (CPluginType *) entrypoint(); |
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108 |
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109 } |
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110 |
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111 //============================================================================= |
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112 CPluginType * CPluginLoader::GetPlugin () const |
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113 { |
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114 return iPlugin; |
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115 } |
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116 |
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117 //============================================================================= |
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118 const RLibrary & CPluginLoader::GetPluginDll () const |
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119 { |
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120 return iLibrary; |
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121 } |
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122 |
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123 |
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124 // End of File |