1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the QtQml 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 The Qt Company. For licensing terms |
14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
15 | ** information use the contact form at https://www.qt.io/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 3 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 3 requirements |
23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
24 | ** |
25 | ** GNU General Public License Usage |
26 | ** Alternatively, this file may be used under the terms of the GNU |
27 | ** General Public License version 2.0 or (at your option) the GNU General |
28 | ** Public license version 3 or any later version approved by the KDE Free |
29 | ** Qt Foundation. The licenses are as published by the Free Software |
30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
31 | ** included in the packaging of this file. Please review the following |
32 | ** information to ensure the GNU General Public License requirements will |
33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
35 | ** |
36 | ** $QT_END_LICENSE$ |
37 | ** |
38 | ****************************************************************************/ |
39 | |
40 | #include "qqmldebugservice_p.h" |
41 | #include "qqmldebugconnector_p.h" |
42 | #include <private/qqmldata_p.h> |
43 | #include <private/qqmlcontext_p.h> |
44 | |
45 | #include <QtCore/QDebug> |
46 | #include <QtCore/QStringList> |
47 | #include <QtCore/QFileInfo> |
48 | |
49 | QT_BEGIN_NAMESPACE |
50 | |
51 | class QQmlDebugServer; |
52 | |
53 | class QQmlDebugServicePrivate : public QObjectPrivate |
54 | { |
55 | Q_DECLARE_PUBLIC(QQmlDebugService) |
56 | public: |
57 | QQmlDebugServicePrivate(const QString &name, float version); |
58 | |
59 | const QString name; |
60 | const float version; |
61 | QQmlDebugService::State state; |
62 | }; |
63 | |
64 | QQmlDebugServicePrivate::QQmlDebugServicePrivate(const QString &name, float version) : |
65 | name(name), version(version), state(QQmlDebugService::NotConnected) |
66 | { |
67 | } |
68 | |
69 | QQmlDebugService::QQmlDebugService(const QString &name, float version, QObject *parent) |
70 | : QObject(*(new QQmlDebugServicePrivate(name, version)), parent) |
71 | { |
72 | Q_D(QQmlDebugService); |
73 | QQmlDebugConnector *server = QQmlDebugConnector::instance(); |
74 | |
75 | if (!server) |
76 | return; |
77 | |
78 | if (server->service(name: d->name)) { |
79 | qWarning() << "QQmlDebugService: Conflicting plugin name" << d->name; |
80 | } else { |
81 | server->addService(name: d->name, service: this); |
82 | } |
83 | } |
84 | |
85 | QQmlDebugService::~QQmlDebugService() |
86 | { |
87 | Q_D(QQmlDebugService); |
88 | QQmlDebugConnector *server = QQmlDebugConnector::instance(); |
89 | |
90 | if (!server) |
91 | return; |
92 | |
93 | if (server->service(name: d->name) != this) |
94 | qWarning() << "QQmlDebugService: Plugin" << d->name << "is not registered." ; |
95 | else |
96 | server->removeService(name: d->name); |
97 | } |
98 | |
99 | const QString &QQmlDebugService::name() const |
100 | { |
101 | Q_D(const QQmlDebugService); |
102 | return d->name; |
103 | } |
104 | |
105 | float QQmlDebugService::version() const |
106 | { |
107 | Q_D(const QQmlDebugService); |
108 | return d->version; |
109 | } |
110 | |
111 | QQmlDebugService::State QQmlDebugService::state() const |
112 | { |
113 | Q_D(const QQmlDebugService); |
114 | return d->state; |
115 | } |
116 | |
117 | void QQmlDebugService::setState(QQmlDebugService::State newState) |
118 | { |
119 | Q_D(QQmlDebugService); |
120 | d->state = newState; |
121 | } |
122 | |
123 | namespace { |
124 | class ObjectReferenceHash : public QObject |
125 | { |
126 | Q_OBJECT |
127 | public: |
128 | ObjectReferenceHash() : nextId(0) {} |
129 | |
130 | QHash<QObject *, int> objects; |
131 | QHash<int, QObject *> ids; |
132 | |
133 | int nextId; |
134 | |
135 | void remove(QObject *obj); |
136 | }; |
137 | } |
138 | Q_GLOBAL_STATIC(ObjectReferenceHash, objectReferenceHash) |
139 | |
140 | void ObjectReferenceHash::remove(QObject *obj) |
141 | { |
142 | QHash<QObject *, int>::Iterator iter = objects.find(akey: obj); |
143 | if (iter != objects.end()) { |
144 | ids.remove(akey: iter.value()); |
145 | objects.erase(it: iter); |
146 | } |
147 | } |
148 | |
149 | /*! |
150 | Returns a unique id for \a object. Calling this method multiple times |
151 | for the same object will return the same id. |
152 | */ |
153 | int QQmlDebugService::idForObject(QObject *object) |
154 | { |
155 | if (!object) |
156 | return -1; |
157 | |
158 | ObjectReferenceHash *hash = objectReferenceHash(); |
159 | QHash<QObject *, int>::Iterator iter = hash->objects.find(akey: object); |
160 | |
161 | if (iter == hash->objects.end()) { |
162 | int id = hash->nextId++; |
163 | hash->ids.insert(akey: id, avalue: object); |
164 | iter = hash->objects.insert(akey: object, avalue: id); |
165 | connect(sender: object, signal: &QObject::destroyed, receiver: hash, slot: &ObjectReferenceHash::remove); |
166 | } |
167 | return iter.value(); |
168 | } |
169 | |
170 | /*! |
171 | Returns the mapping of objects to unique \a ids, created through calls to idForObject(). |
172 | */ |
173 | const QHash<int, QObject *> &QQmlDebugService::objectsForIds() |
174 | { |
175 | return objectReferenceHash()->ids; |
176 | } |
177 | |
178 | QT_END_NAMESPACE |
179 | |
180 | #include "qqmldebugservice.moc" |
181 | #include "moc_qqmldebugservice_p.cpp" |
182 | |