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34 #ifndef WIDGETPLUGINPATH_H
35 #define WIDGETPLUGINPATH_H
37 #include "widgetpluginmanager.h"
39 #include <QtCore/QObject>
40 #include <QWeakPointer>
41 #include <QtCore/QList>
42 #include <QtCore/QDir>
43 #include <QtGui/QStandardItem>
47 class QAbstractItemModel;
50 namespace QmlDesigner {
56 // Dumb plugin data structure. Note that whereas QObjects can
57 // casted to an interface, QWeakPointer does not work with the
58 // interface class, so, we need a separate QWeakPointer as a guard
59 // to detect the deletion of a plugin instance which can happen
61 struct WidgetPluginData {
62 WidgetPluginData(const QString &p = QString());
67 QWeakPointer<QObject> instanceGuard;
68 IWidgetPlugin *instance;
72 // PluginPath: Manages a plugin directory. It does nothing
73 // on construction following the "as lazy as possible" principle.
74 // In the "loaded" stage, it scans the directories and creates
75 // a list of PluginData for the libraries found.
76 // getInstances() will return the fully initialized list of
79 class WidgetPluginPath {
81 explicit WidgetPluginPath(const QDir &path);
84 void getInstances(WidgetPluginManager::IWidgetPluginList *list);
86 QDir path() const { return m_path; }
88 // Convenience to populate a "About Plugin" dialog with
89 // plugins from that path. Forces initialization.
90 QStandardItem *createModelItem();
93 typedef QList<WidgetPluginData> PluginDataList;
95 static QStringList libraryFilePaths(const QDir &dir);
101 PluginDataList m_plugins;
104 } // namespace Internal
105 } // namespace QmlDesigner
106 #endif // WIDGETPLUGINPATH_H