| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "qqmlvme_p.h" |
| 5 | |
| 6 | #include <private/qmetaobjectbuilder_p.h> |
| 7 | #include "qqmlengine.h" |
| 8 | #include <private/qfinitestack_p.h> |
| 9 | #include <QtQml/private/qqmlcomponent_p.h> |
| 10 | |
| 11 | #include <QStack> |
| 12 | #include <QPointF> |
| 13 | #include <QSizeF> |
| 14 | #include <QRectF> |
| 15 | #include <QtCore/qdebug.h> |
| 16 | #include <QtCore/qvarlengtharray.h> |
| 17 | #include <QtCore/qcoreapplication.h> |
| 18 | #include <QtCore/qdatetime.h> |
| 19 | #include <QtCore/qvarlengtharray.h> |
| 20 | #include <QtQml/qjsvalue.h> |
| 21 | |
| 22 | QT_BEGIN_NAMESPACE |
| 23 | |
| 24 | bool QQmlVME::s_enableComponentComplete = true; |
| 25 | |
| 26 | void QQmlVME::enableComponentComplete() |
| 27 | { |
| 28 | s_enableComponentComplete = true; |
| 29 | } |
| 30 | |
| 31 | void QQmlVME::disableComponentComplete() |
| 32 | { |
| 33 | s_enableComponentComplete = false; |
| 34 | } |
| 35 | |
| 36 | bool QQmlVME::componentCompleteEnabled() |
| 37 | { |
| 38 | return s_enableComponentComplete; |
| 39 | } |
| 40 | |
| 41 | QQmlVMEGuard::QQmlVMEGuard() |
| 42 | : m_objectCount(0), m_objects(nullptr), m_contextCount(0), m_contexts(nullptr) |
| 43 | { |
| 44 | } |
| 45 | |
| 46 | QQmlVMEGuard::~QQmlVMEGuard() |
| 47 | { |
| 48 | clear(); |
| 49 | } |
| 50 | |
| 51 | void QQmlVMEGuard::guard(QQmlObjectCreator *creator) |
| 52 | { |
| 53 | clear(); |
| 54 | |
| 55 | QFiniteStack<QQmlGuard<QObject> > &objects = creator->allCreatedObjects(); |
| 56 | m_objectCount = objects.count(); |
| 57 | m_objects = new QQmlGuard<QObject>[m_objectCount]; |
| 58 | for (int ii = 0; ii < m_objectCount; ++ii) |
| 59 | m_objects[ii] = objects[ii]; |
| 60 | |
| 61 | m_contextCount = 1; |
| 62 | m_contexts = new QQmlGuardedContextData[m_contextCount]; |
| 63 | m_contexts[0] = creator->parentContextData(); |
| 64 | } |
| 65 | |
| 66 | void QQmlVMEGuard::clear() |
| 67 | { |
| 68 | delete [] m_objects; |
| 69 | delete [] m_contexts; |
| 70 | |
| 71 | m_objectCount = 0; |
| 72 | m_objects = nullptr; |
| 73 | m_contextCount = 0; |
| 74 | m_contexts = nullptr; |
| 75 | } |
| 76 | |
| 77 | bool QQmlVMEGuard::isOK() const |
| 78 | { |
| 79 | for (int ii = 0; ii < m_objectCount; ++ii) |
| 80 | if (m_objects[ii].isNull()) |
| 81 | return false; |
| 82 | |
| 83 | for (int ii = 0; ii < m_contextCount; ++ii) |
| 84 | if (m_contexts[ii].isNull() || !m_contexts[ii]->engine()) |
| 85 | return false; |
| 86 | |
| 87 | return true; |
| 88 | } |
| 89 | |
| 90 | QT_END_NAMESPACE |
| 91 |