Absolute File Name: | /home/opencoverage/opencoverage/guest-scripts/qtdeclarative/src/qtdeclarative/src/qml/qml/qqmlcleanup.cpp |
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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 "qqmlcleanup_p.h" | - | ||||||
41 | - | |||||||
42 | #include "qqmlengine_p.h" | - | ||||||
43 | - | |||||||
44 | QT_BEGIN_NAMESPACE | - | ||||||
45 | - | |||||||
46 | /*! | - | ||||||
47 | \internal | - | ||||||
48 | \class QQmlCleanup | - | ||||||
49 | \brief The QQmlCleanup provides a callback when a QQmlEngine is deleted. | - | ||||||
50 | - | |||||||
51 | Any object that needs cleanup to occur before the QQmlEngine's V8 engine is | - | ||||||
52 | destroyed should inherit from QQmlCleanup. The clear() virtual method will be | - | ||||||
53 | called by QQmlEngine just before it destroys the context. | - | ||||||
54 | */ | - | ||||||
55 | - | |||||||
56 | - | |||||||
57 | /* | - | ||||||
58 | Create a QQmlCleanup that is not associated with any engine. | - | ||||||
59 | */ | - | ||||||
60 | QQmlCleanup::QQmlCleanup() | - | ||||||
61 | : prev(nullptr), next(nullptr), engine(nullptr) | - | ||||||
62 | { | - | ||||||
63 | } executed 260 times by 13 tests: end of block Executed by:
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64 | - | |||||||
65 | /*! | - | ||||||
66 | Create a QQmlCleanup for \a engine | - | ||||||
67 | */ | - | ||||||
68 | QQmlCleanup::QQmlCleanup(QQmlEngine *engine) | - | ||||||
69 | : prev(nullptr), next(nullptr), engine(nullptr) | - | ||||||
70 | { | - | ||||||
71 | if (!engine)
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72 | return; executed 4768 times by 17 tests: return; Executed by:
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73 | - | |||||||
74 | addToEngine(engine); | - | ||||||
75 | } executed 286 times by 5 tests: end of block Executed by:
| 286 | ||||||
76 | - | |||||||
77 | /*! | - | ||||||
78 | Adds this object to \a engine's cleanup list. hasEngine() must be false | - | ||||||
79 | before calling this method. | - | ||||||
80 | */ | - | ||||||
81 | void QQmlCleanup::addToEngine(QQmlEngine *engine) | - | ||||||
82 | { | - | ||||||
83 | Q_ASSERT(engine); | - | ||||||
84 | Q_ASSERT(QQmlEnginePrivate::isEngineThread(engine)); | - | ||||||
85 | - | |||||||
86 | this->engine = engine; | - | ||||||
87 | - | |||||||
88 | QQmlEnginePrivate *p = QQmlEnginePrivate::get(engine); | - | ||||||
89 | - | |||||||
90 | if (p->cleanup) next = p->cleanup; executed 112 times by 6 tests: next = p->cleanup; Executed by:
| 112-424 | ||||||
91 | p->cleanup = this; | - | ||||||
92 | prev = &p->cleanup; | - | ||||||
93 | if (next) next->prev = &next; executed 112 times by 6 tests: next->prev = &next; Executed by:
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94 | } executed 536 times by 17 tests: end of block Executed by:
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95 | - | |||||||
96 | /*! | - | ||||||
97 | \fn bool QQmlCleanup::hasEngine() const | - | ||||||
98 | - | |||||||
99 | Returns true if this QQmlCleanup is associated with an engine, otherwise false. | - | ||||||
100 | */ | - | ||||||
101 | - | |||||||
102 | /*! | - | ||||||
103 | \internal | - | ||||||
104 | */ | - | ||||||
105 | QQmlCleanup::~QQmlCleanup() | - | ||||||
106 | { | - | ||||||
107 | Q_ASSERT(!prev || engine); | - | ||||||
108 | Q_ASSERT(!prev || QQmlEnginePrivate::isEngineThread(engine)); | - | ||||||
109 | - | |||||||
110 | if (prev) *prev = next; executed 205 times by 3 tests: *prev = next; Executed by:
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111 | if (next) next->prev = prev; executed 16 times by 2 tests: next->prev = prev; Executed by:
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112 | prev = nullptr; | - | ||||||
113 | next = nullptr; | - | ||||||
114 | } executed 5308 times by 23 tests: end of block Executed by:
| 5308 | ||||||
115 | - | |||||||
116 | QT_END_NAMESPACE | - | ||||||
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