aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/qmldesigner/components/pluginmanager/pluginmanager.cpp
blob: 4f799e4462f9f96f6e442829fe6a3448f033e0e5 (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
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** 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 Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#include "pluginmanager.h"
#include "iplugin.h"
#include "pluginpath.h"
#include <metainfo.h>

#include <QCoreApplication>
#include <QObject>
#include <QSharedData>
#include <QDir>
#include <QStringList>
#include <QDebug>
#include <QWeakPointer>
#include <QPluginLoader>
#include <QFileInfo>
#include <QLibraryInfo>

#include <QStandardItemModel>
#include <QStandardItem>
#include <QTreeView>
#include <QVBoxLayout>
#include <QDialog>
#include <QLabel>
#include <QDialogButtonBox>

enum { debug = 0 };

namespace QmlDesigner {

// Initialize and create instance of a plugin from scratch,
// that is, make sure the library is loaded and has an instance
// of the IPlugin type. Once something fails, mark it as failed
// ignore it from then on.
//static IPlugin *instance(PluginData &p)
//{
//    // Go stale once something fails
//    if (p.failed)
//        return 0;
//    // Pull up the plugin, retrieve IPlugin instance.
//    if (!p.instanceGuard) {
//        p.instance = 0;
//        QPluginLoader loader(p.path);
//        if (!(loader.isLoaded() || loader.load())) {
//            p.failed = true;
//            p.errorMessage = loader.errorString();
//            return 0;
//        }
//        QObject *object = loader.instance();
//        if (!object) {
//            p.failed = true;
//            p.errorMessage = QCoreApplication::translate("PluginManager", "Failed to create instance.");
//            return 0;
//        }
//        IPlugin *iplugin = qobject_cast<IPlugin *>(object);
//        if (!iplugin) {
//            p.failed = true;
//            p.errorMessage = QCoreApplication::translate("PluginManager", "Not a QmlDesigner plugin.");
//            delete object;
//            return 0;
//        }
//        p.instanceGuard = object;
//        p.instance = iplugin;
//    }
//    // Ensure it is initialized
//    if (!p.instance->isInitialized()) {
//        if (!p.instance->initialize(&p.errorMessage)) {
//            p.failed = true;
//            delete p.instance;
//            p.instance = 0;
//            return 0;
//        }
//    }
//    return p.instance;
//}


// ---- PluginManager[Private]
class PluginManagerPrivate {
public:
    typedef QList<PluginPath> PluginPathList;
    PluginPathList m_paths;
};

PluginManager::PluginManager() :
        d(new PluginManagerPrivate)
{
}

PluginManager::~PluginManager()
{
    delete d;
}

PluginManager::IPluginList PluginManager::instances()
{
    IPluginList rc;
    const PluginManagerPrivate::PluginPathList::iterator end = d->m_paths.end();
    for (PluginManagerPrivate::PluginPathList::iterator it = d->m_paths.begin(); it != end; ++it)
        it->getInstances(&rc);
    if (debug)
        qDebug() << '<' << Q_FUNC_INFO << rc.size();
    return rc;
}

void PluginManager::setPluginPaths(const QStringList &paths)
{
    foreach (const QString &path, paths) {
        const QDir dir(path);
        if (!dir.exists())
            continue;
        d->m_paths.push_back(PluginPath(dir));
    }

    // also register path in widgetpluginmanager
    MetaInfo::setPluginPaths(paths);
}

QAbstractItemModel *PluginManager::createModel(QObject *parent)
{
    QStandardItemModel *model = new QStandardItemModel(parent);
    const PluginManagerPrivate::PluginPathList::iterator end = d->m_paths.end();
    for (PluginManagerPrivate::PluginPathList::iterator it = d->m_paths.begin(); it != end; ++it)
        model->appendRow(it->createModelItem());
    return model;
}

QDialog *PluginManager::createAboutPluginDialog(QWidget *parent)
{
    QDialog *rc = new QDialog(parent);
    rc->setWindowFlags(rc->windowFlags() & ~Qt::WindowContextHelpButtonHint & Qt::Sheet);
    rc->setWindowTitle(QCoreApplication::translate("QmlDesigner::PluginManager", "About Plugins"));
    QTreeView *treeView = new QTreeView;
    treeView->setModel(createModel(treeView));
    treeView->expandAll();

    QVBoxLayout *layout = new QVBoxLayout(rc);
    layout->addWidget(treeView);
    QDialogButtonBox *bb = new QDialogButtonBox(QDialogButtonBox::Close);
    layout->addWidget(bb);
    QObject::connect(bb, SIGNAL(rejected()), rc, SLOT(reject()));
    return rc;
}

} // namespace QmlDesigner