aboutsummaryrefslogtreecommitdiffstats
path: root/src/libs/extensionsystem/pluginmanager.h
blob: 9c9d140fc27a6380d1b493b5109f3c7b2a7af72c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** No Commercial Usage
**
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
**
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**************************************************************************/

#ifndef EXTENSIONSYSTEM_PLUGINMANAGER_H
#define EXTENSIONSYSTEM_PLUGINMANAGER_H

#include "extensionsystem_global.h"
#include <aggregation/aggregate.h>

#include <QtCore/QObject>
#include <QtCore/QReadWriteLock>
#include <QtCore/QStringList>

QT_BEGIN_NAMESPACE
class QTextStream;
class QSettings;
QT_END_NAMESPACE

namespace ExtensionSystem {
class PluginCollection;
namespace Internal {
    class PluginManagerPrivate;
}

class IPlugin;
class PluginSpec;

class EXTENSIONSYSTEM_EXPORT PluginManager : public QObject
{
    Q_DISABLE_COPY(PluginManager)
    Q_OBJECT

public:
    static PluginManager *instance();

    PluginManager();
    virtual ~PluginManager();

    // Object pool operations
    void addObject(QObject *obj);
    void removeObject(QObject *obj);
    QList<QObject *> allObjects() const;
    template <typename T> QList<T *> getObjects() const
    {
        QReadLocker lock(&m_lock);
        QList<T *> results;
        QList<QObject *> all = allObjects();
        QList<T *> result;
        foreach (QObject *obj, all) {
            result = Aggregation::query_all<T>(obj);
            if (!result.isEmpty())
                results += result;
        }
        return results;
    }
    template <typename T> T *getObject() const
    {
        QReadLocker lock(&m_lock);
        QList<QObject *> all = allObjects();
        T *result = 0;
        foreach (QObject *obj, all) {
            if ((result = Aggregation::query<T>(obj)) != 0)
                break;
        }
        return result;
    }

    QObject *getObjectByName(const QString &name) const;
    QObject *getObjectByClassName(const QString &className) const;

    // Plugin operations
    QList<PluginSpec *> loadQueue();
    void loadPlugins();
    QStringList pluginPaths() const;
    void setPluginPaths(const QStringList &paths);
    QList<PluginSpec *> plugins() const;
    QHash<QString, PluginCollection *> pluginCollections() const;
    void setFileExtension(const QString &extension);
    QString fileExtension() const;

    // Settings
    void setSettings(QSettings *settings);
    QSettings *settings() const;
    void readSettings();
    void writeSettings();

    // command line arguments
    QStringList arguments() const;
    bool parseOptions(const QStringList &args,
        const QMap<QString, bool> &appOptions,
        QMap<QString, QString> *foundAppOptions,
        QString *errorString);
    static void formatOptions(QTextStream &str, int optionIndentation, int descriptionIndentation);
    void formatPluginOptions(QTextStream &str, int optionIndentation, int descriptionIndentation) const;
    void formatPluginVersions(QTextStream &str) const;

    QString serializedArguments() const;

    bool runningTests() const;
    QString testDataDirectory() const;

    void profilingReport(const char *what, const PluginSpec *spec = 0);

signals:
    void objectAdded(QObject *obj);
    void aboutToRemoveObject(QObject *obj);

    void pluginsChanged();

public slots:
    void remoteArguments(const QString &serializedArguments);
    void shutdown();

private slots:
    void startTests();

private:
    Internal::PluginManagerPrivate *d;
    static PluginManager *m_instance;
    mutable QReadWriteLock m_lock;

    friend class Internal::PluginManagerPrivate;
};

} // namespace ExtensionSystem

#endif // EXTENSIONSYSTEM_PLUGINMANAGER_H