1 /* |
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2 * Copyright (c) 2009 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: |
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15 * |
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16 */ |
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17 #include <cppluginloader.h> |
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18 #include <QString> |
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19 #include <QDir> |
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20 #include <QFileInfo> |
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21 #include <QPluginLoader> |
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22 #include <cpplugininterface.h> |
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23 #include <cplauncherinterface.h> |
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24 #include "cputility.h" |
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25 #include <cplogger.h> |
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26 |
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27 |
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28 /*! |
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29 \class CpPluginLoader |
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30 \brief The CpPluginLoader class loads a controlpanel plugin at run-time. |
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31 */ |
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32 |
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33 #ifdef WIN32 |
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34 #define PLUGINFILE_SUFFIX "dll" |
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35 #else |
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36 #define PLUGINFILE_SUFFIX "qtplugin" |
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37 #endif |
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38 |
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39 /* |
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40 * Load the root component object of the plugin from @pluginFile |
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41 * if @pluginFile is an absoulte file path, load it directly, if is a |
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42 * file name, load the root component from path /resource/qt/plugins/controlpanel |
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43 */ |
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44 static QObject* loadPluginInterface(const QString &pluginFile) |
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45 { |
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46 CPPERF_LOG( QLatin1String("Loading plugin: ") + pluginFile ); |
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47 |
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48 QFileInfo fileInfo(pluginFile); |
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49 |
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50 // scan the plugin file from path /resource/qt/plugins/controlpanel |
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51 if (!fileInfo.isAbsolute()) { |
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52 QString fileName = fileInfo.fileName(); |
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53 if (fileInfo.suffix().compare(PLUGINFILE_SUFFIX,Qt::CaseInsensitive)) { |
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54 fileName = fileInfo.baseName() + '.' + PLUGINFILE_SUFFIX; |
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55 } |
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56 |
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57 QStringList pluginDirs = CpUtility::pluginDirectories(); |
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58 foreach(const QString &pluginDir,pluginDirs) { |
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59 fileInfo.setFile(pluginDir + fileName); |
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60 // found a valid plugin file. |
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61 if (fileInfo.exists() && QLibrary::isLibrary(fileInfo.absoluteFilePath())) { |
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62 CPPERF_LOG( QLatin1String("Valid plugin stub found: ") + fileInfo.absoluteFilePath() ); |
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63 break; |
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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 QPluginLoader loader(fileInfo.absoluteFilePath()); |
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69 QObject *plugin = loader.instance(); |
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70 if (!plugin) { |
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71 loader.unload(); |
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72 } |
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73 |
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74 CPPERF_LOG( QLatin1String("Load plugin ") + (plugin ? QLatin1String("succeed.") : QLatin1String("failed.")) ); |
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75 |
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76 return plugin; |
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77 } |
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78 |
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79 /*! |
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80 load a CpPluginInterface by a controlpanel plugin file. |
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81 the plugin file can either absoulte file path or only file name. |
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82 acceptable format: |
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83 sampleplugin |
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84 sampleplugin.qtplugin |
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85 sampleplugin.dll |
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86 C:/resource/qt/plugins/controlpanel/sampleplugin.qtplugin |
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87 C:/resource/qt/plugins/controlpanel/sampleplugin.dll |
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88 */ |
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89 CpPluginInterface *CpPluginLoader::loadCpPluginInterface(const QString &pluginFile) |
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90 { |
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91 return qobject_cast<CpPluginInterface*>(::loadPluginInterface(pluginFile)); |
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92 } |
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93 |
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94 /*! |
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95 load a CpLauncherInterface by a controlpanel plugin file. |
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96 the plugin file can either absoulte file path or only file name. |
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97 acceptable format: |
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98 sampleplugin |
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99 sampleplugin.qtplugin |
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100 sampleplugin.dll |
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101 C:/resource/qt/plugins/controlpanel/sampleplugin.qtplugin |
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102 C:/resource/qt/plugins/controlpanel/sampleplugin.dll |
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103 */ |
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104 CpLauncherInterface *CpPluginLoader::loadCpLauncherInterface(const QString &pluginFile) |
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105 { |
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106 return qobject_cast<CpLauncherInterface*>(::loadPluginInterface(pluginFile)); |
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107 } |
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108 |
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109 |
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