blob: 13ad38fcd33ae857dc30beeb17d6a82d7ae850f4 (
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
|
/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include <QObject>
#include <QPointer>
#include <QList>
#include <QDir>
#include <QStandardItem>
QT_BEGIN_NAMESPACE
class QString;
class QAbstractItemModel;
QT_END_NAMESPACE
namespace QmlDesigner {
class IWidgetPlugin;
namespace Internal {
// Dumb plugin data structure. Note that whereas QObjects can
// casted to an interface, QPointer does not work with the
// interface class, so, we need a separate QPointer as a guard
// to detect the deletion of a plugin instance which can happen
// in theory.
struct WidgetPluginData {
WidgetPluginData(const QString &p = QString());
QString path;
bool failed;
QString errorMessage;
QPointer<QObject> instanceGuard;
IWidgetPlugin *instance;
};
// PluginPath: Manages a plugin directory. It does nothing
// on construction following the "as lazy as possible" principle.
// In the "loaded" stage, it scans the directories and creates
// a list of PluginData for the libraries found.
// getInstances() will return the fully initialized list of
// IPlugins.
class WidgetPluginPath {
using IWidgetPluginList = QList<IWidgetPlugin *>;
public:
explicit WidgetPluginPath(const QDir &path);
void getInstances(IWidgetPluginList *list);
QDir path() const { return m_path; }
// Convenience to populate a "About Plugin" dialog with
// plugins from that path. Forces initialization.
QStandardItem *createModelItem();
private:
using PluginDataList = QList<WidgetPluginData>;
static QStringList libraryFilePaths(const QDir &dir);
void clear();
void ensureLoaded();
QDir m_path;
bool m_loaded;
PluginDataList m_plugins;
};
} // namespace Internal
} // namespace QmlDesigner
|
