| 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 |
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| 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 |
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| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "qqmllistmodelworkeragent_p.h" |
| 41 | #include "qqmllistmodel_p_p.h" |
| 42 | #include <private/qqmldata_p.h> |
| 43 | #include <private/qqmlengine_p.h> |
| 44 | #include <qqmlinfo.h> |
| 45 | |
| 46 | #include <QtCore/qcoreevent.h> |
| 47 | #include <QtCore/qcoreapplication.h> |
| 48 | #include <QtCore/qdebug.h> |
| 49 | |
| 50 | |
| 51 | QT_BEGIN_NAMESPACE |
| 52 | |
| 53 | QQmlListModelWorkerAgent::Sync::~Sync() |
| 54 | { |
| 55 | } |
| 56 | |
| 57 | QQmlListModelWorkerAgent::QQmlListModelWorkerAgent(QQmlListModel *model) |
| 58 | : m_ref(1), m_orig(model), m_copy(new QQmlListModel(model, this)) |
| 59 | { |
| 60 | } |
| 61 | |
| 62 | QQmlListModelWorkerAgent::~QQmlListModelWorkerAgent() |
| 63 | { |
| 64 | mutex.lock(); |
| 65 | syncDone.wakeAll(); |
| 66 | mutex.unlock(); |
| 67 | } |
| 68 | |
| 69 | QV4::ExecutionEngine *QQmlListModelWorkerAgent::engine() const |
| 70 | { |
| 71 | return m_copy->m_engine; |
| 72 | } |
| 73 | |
| 74 | void QQmlListModelWorkerAgent::setEngine(QV4::ExecutionEngine *eng) |
| 75 | { |
| 76 | if (eng != m_copy->m_engine) { |
| 77 | m_copy->m_engine = eng; |
| 78 | emit engineChanged(engine: eng); |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | void QQmlListModelWorkerAgent::addref() |
| 83 | { |
| 84 | m_ref.ref(); |
| 85 | } |
| 86 | |
| 87 | void QQmlListModelWorkerAgent::release() |
| 88 | { |
| 89 | bool del = !m_ref.deref(); |
| 90 | |
| 91 | if (del) |
| 92 | deleteLater(); |
| 93 | } |
| 94 | |
| 95 | void QQmlListModelWorkerAgent::modelDestroyed() |
| 96 | { |
| 97 | m_orig = nullptr; |
| 98 | } |
| 99 | |
| 100 | int QQmlListModelWorkerAgent::count() const |
| 101 | { |
| 102 | return m_copy->count(); |
| 103 | } |
| 104 | |
| 105 | void QQmlListModelWorkerAgent::clear() |
| 106 | { |
| 107 | m_copy->clear(); |
| 108 | } |
| 109 | |
| 110 | void QQmlListModelWorkerAgent::remove(QQmlV4Function *args) |
| 111 | { |
| 112 | m_copy->remove(args); |
| 113 | } |
| 114 | |
| 115 | void QQmlListModelWorkerAgent::append(QQmlV4Function *args) |
| 116 | { |
| 117 | m_copy->append(args); |
| 118 | } |
| 119 | |
| 120 | void QQmlListModelWorkerAgent::insert(QQmlV4Function *args) |
| 121 | { |
| 122 | m_copy->insert(args); |
| 123 | } |
| 124 | |
| 125 | QJSValue QQmlListModelWorkerAgent::get(int index) const |
| 126 | { |
| 127 | return m_copy->get(index); |
| 128 | } |
| 129 | |
| 130 | void QQmlListModelWorkerAgent::set(int index, const QJSValue &value) |
| 131 | { |
| 132 | m_copy->set(index, value); |
| 133 | } |
| 134 | |
| 135 | void QQmlListModelWorkerAgent::setProperty(int index, const QString& property, const QVariant& value) |
| 136 | { |
| 137 | m_copy->setProperty(index, property, value); |
| 138 | } |
| 139 | |
| 140 | void QQmlListModelWorkerAgent::move(int from, int to, int count) |
| 141 | { |
| 142 | m_copy->move(from, to, count); |
| 143 | } |
| 144 | |
| 145 | void QQmlListModelWorkerAgent::sync() |
| 146 | { |
| 147 | Sync *s = new Sync(m_copy); |
| 148 | |
| 149 | mutex.lock(); |
| 150 | QCoreApplication::postEvent(receiver: this, event: s); |
| 151 | syncDone.wait(lockedMutex: &mutex); |
| 152 | mutex.unlock(); |
| 153 | } |
| 154 | |
| 155 | bool QQmlListModelWorkerAgent::event(QEvent *e) |
| 156 | { |
| 157 | if (e->type() == QEvent::User) { |
| 158 | bool cc = false; |
| 159 | QMutexLocker locker(&mutex); |
| 160 | if (m_orig) { |
| 161 | Sync *s = static_cast<Sync *>(e); |
| 162 | |
| 163 | cc = (m_orig->count() != s->list->count()); |
| 164 | |
| 165 | Q_ASSERT(m_orig->m_dynamicRoles == s->list->m_dynamicRoles); |
| 166 | if (m_orig->m_dynamicRoles) |
| 167 | QQmlListModel::sync(src: s->list, target: m_orig); |
| 168 | else |
| 169 | ListModel::sync(src: s->list->m_listModel, target: m_orig->m_listModel); |
| 170 | } |
| 171 | |
| 172 | syncDone.wakeAll(); |
| 173 | locker.unlock(); |
| 174 | |
| 175 | if (cc) |
| 176 | emit m_orig->countChanged(); |
| 177 | return true; |
| 178 | } |
| 179 | |
| 180 | return QObject::event(event: e); |
| 181 | } |
| 182 | |
| 183 | QT_END_NAMESPACE |
| 184 | |
| 185 | #include "moc_qqmllistmodelworkeragent_p.cpp" |
| 186 | |