1/****************************************************************************
2**
3** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
4** Contact: http://www.qt-project.org/legal
5**
6** This file is part of the QtDeclarative module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:LGPL$
9** Commercial License Usage
10** Licensees holding valid commercial Qt licenses may use this file in
11** accordance with the commercial license agreement provided with the
12** Software or, alternatively, in accordance with the terms contained in
13** a written agreement between you and Digia. For licensing terms and
14** conditions see http://qt.digia.com/licensing. For further information
15** use the contact form at http://qt.digia.com/contact-us.
16**
17** GNU Lesser General Public License Usage
18** Alternatively, this file may be used under the terms of the GNU Lesser
19** General Public License version 2.1 as published by the Free Software
20** Foundation and appearing in the file LICENSE.LGPL included in the
21** packaging of this file. Please review the following information to
22** ensure the GNU Lesser General Public License version 2.1 requirements
23** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
24**
25** In addition, as a special exception, Digia gives you certain additional
26** rights. These rights are described in the Digia Qt LGPL Exception
27** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
28**
29** GNU General Public License Usage
30** Alternatively, this file may be used under the terms of the GNU
31** General Public License version 3.0 as published by the Free Software
32** Foundation and appearing in the file LICENSE.GPL included in the
33** packaging of this file. Please review the following information to
34** ensure the GNU General Public License version 3.0 requirements will be
35** met: http://www.gnu.org/copyleft/gpl.html.
36**
37**
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "private/qdeclarativeinspectorservice_p.h"
43#include "private/qdeclarativeinspectorinterface_p.h"
44
45#include <QtCore/QCoreApplication>
46#include <QtCore/QDebug>
47#include <QtCore/QDir>
48#include <QtCore/QPluginLoader>
49
50#include <QtDeclarative/QDeclarativeView>
51
52QT_BEGIN_NAMESPACE
53
54Q_GLOBAL_STATIC(QDeclarativeInspectorService, serviceInstance)
55
56QDeclarativeInspectorService::QDeclarativeInspectorService()
57 : QDeclarativeDebugService(QLatin1String("QDeclarativeObserverMode"))
58 , m_inspectorPlugin(0)
59{
60}
61
62QDeclarativeInspectorService *QDeclarativeInspectorService::instance()
63{
64 return serviceInstance();
65}
66
67void QDeclarativeInspectorService::addView(QDeclarativeView *view)
68{
69 m_views.append(view);
70 updateStatus();
71}
72
73void QDeclarativeInspectorService::removeView(QDeclarativeView *view)
74{
75 m_views.removeAll(view);
76 updateStatus();
77}
78
79void QDeclarativeInspectorService::sendMessage(const QByteArray &message)
80{
81 if (status() != Enabled)
82 return;
83
84 QDeclarativeDebugService::sendMessage(message);
85}
86
87void QDeclarativeInspectorService::statusChanged(Status status)
88{
89 Q_UNUSED(status);
90 updateStatus();
91}
92
93void QDeclarativeInspectorService::updateStatus()
94{
95 if (m_views.isEmpty()) {
96 if (m_inspectorPlugin)
97 m_inspectorPlugin->deactivate();
98 return;
99 }
100
101 if (status() == Enabled) {
102 if (!m_inspectorPlugin)
103 m_inspectorPlugin = loadInspectorPlugin();
104
105 if (!m_inspectorPlugin) {
106 qWarning() << "Error while loading inspector plugin";
107 return;
108 }
109
110 m_inspectorPlugin->activate();
111 } else {
112 if (m_inspectorPlugin)
113 m_inspectorPlugin->deactivate();
114 }
115}
116
117void QDeclarativeInspectorService::messageReceived(const QByteArray &message)
118{
119 emit gotMessage(message);
120}
121
122QDeclarativeInspectorInterface *QDeclarativeInspectorService::loadInspectorPlugin()
123{
124 QStringList pluginCandidates;
125 const QStringList paths = QCoreApplication::libraryPaths();
126 foreach (const QString &libPath, paths) {
127 const QDir dir(libPath + QLatin1String("/qmltooling"));
128 if (dir.exists())
129 foreach (const QString &pluginPath, dir.entryList(QDir::Files))
130 pluginCandidates << dir.absoluteFilePath(pluginPath);
131 }
132
133 foreach (const QString &pluginPath, pluginCandidates) {
134 QPluginLoader loader(pluginPath);
135 if (!loader.load())
136 continue;
137
138 QDeclarativeInspectorInterface *inspector =
139 qobject_cast<QDeclarativeInspectorInterface*>(loader.instance());
140
141 if (inspector)
142 return inspector;
143 loader.unload();
144 }
145 return 0;
146}
147
148QT_END_NAMESPACE
149