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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 |
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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 |
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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 |
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35 | ** |
36 | ** $QT_END_LICENSE$ |
37 | ** |
38 | ****************************************************************************/ |
39 | |
40 | #include "qqmlvme_p.h" |
41 | |
42 | #include "qqmlboundsignal_p.h" |
43 | #include "qqmlstringconverters_p.h" |
44 | #include <private/qmetaobjectbuilder_p.h> |
45 | #include "qqmldata_p.h" |
46 | #include "qqml.h" |
47 | #include "qqmlinfo.h" |
48 | #include "qqmlcustomparser_p.h" |
49 | #include "qqmlengine.h" |
50 | #include "qqmlcontext.h" |
51 | #include "qqmlcomponent.h" |
52 | #include "qqmlcomponentattached_p.h" |
53 | #include "qqmlbinding_p.h" |
54 | #include "qqmlengine_p.h" |
55 | #include "qqmlcomponent_p.h" |
56 | #include "qqmlvmemetaobject_p.h" |
57 | #include "qqmlcontext_p.h" |
58 | #include "qqmlglobal_p.h" |
59 | #include <private/qfinitestack_p.h> |
60 | #include "qqmlscriptstring.h" |
61 | #include "qqmlscriptstring_p.h" |
62 | #include "qqmlpropertyvalueinterceptor_p.h" |
63 | #include "qqmlvaluetypeproxybinding_p.h" |
64 | #include "qqmlexpression_p.h" |
65 | |
66 | #include <QStack> |
67 | #include <QPointF> |
68 | #include <QSizeF> |
69 | #include <QRectF> |
70 | #include <QtCore/qdebug.h> |
71 | #include <QtCore/qvarlengtharray.h> |
72 | #include <QtCore/qcoreapplication.h> |
73 | #include <QtCore/qdatetime.h> |
74 | #include <QtCore/qvarlengtharray.h> |
75 | #include <QtQml/qjsvalue.h> |
76 | |
77 | QT_BEGIN_NAMESPACE |
78 | |
79 | using namespace QQmlVMETypes; |
80 | |
81 | bool QQmlVME::s_enableComponentComplete = true; |
82 | |
83 | void QQmlVME::enableComponentComplete() |
84 | { |
85 | s_enableComponentComplete = true; |
86 | } |
87 | |
88 | void QQmlVME::disableComponentComplete() |
89 | { |
90 | s_enableComponentComplete = false; |
91 | } |
92 | |
93 | bool QQmlVME::componentCompleteEnabled() |
94 | { |
95 | return s_enableComponentComplete; |
96 | } |
97 | |
98 | QQmlVMEGuard::QQmlVMEGuard() |
99 | : m_objectCount(0), m_objects(nullptr), m_contextCount(0), m_contexts(nullptr) |
100 | { |
101 | } |
102 | |
103 | QQmlVMEGuard::~QQmlVMEGuard() |
104 | { |
105 | clear(); |
106 | } |
107 | |
108 | void QQmlVMEGuard::guard(QQmlObjectCreator *creator) |
109 | { |
110 | clear(); |
111 | |
112 | QFiniteStack<QPointer<QObject> > &objects = creator->allCreatedObjects(); |
113 | m_objectCount = objects.count(); |
114 | m_objects = new QPointer<QObject>[m_objectCount]; |
115 | for (int ii = 0; ii < m_objectCount; ++ii) |
116 | m_objects[ii] = objects[ii]; |
117 | |
118 | m_contextCount = 1; |
119 | m_contexts = new QQmlGuardedContextData[m_contextCount]; |
120 | m_contexts[0] = creator->parentContextData(); |
121 | } |
122 | |
123 | void QQmlVMEGuard::clear() |
124 | { |
125 | delete [] m_objects; |
126 | delete [] m_contexts; |
127 | |
128 | m_objectCount = 0; |
129 | m_objects = nullptr; |
130 | m_contextCount = 0; |
131 | m_contexts = nullptr; |
132 | } |
133 | |
134 | bool QQmlVMEGuard::isOK() const |
135 | { |
136 | for (int ii = 0; ii < m_objectCount; ++ii) |
137 | if (m_objects[ii].isNull()) |
138 | return false; |
139 | |
140 | for (int ii = 0; ii < m_contextCount; ++ii) |
141 | if (m_contexts[ii].isNull() || !m_contexts[ii]->engine) |
142 | return false; |
143 | |
144 | return true; |
145 | } |
146 | |
147 | QT_END_NAMESPACE |
148 |