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qqmllistmodel_p_p.h

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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#ifndef QQMLLISTMODEL_P_P_H-
41#define QQMLLISTMODEL_P_P_H-
42-
43//-
44// W A R N I N G-
45// --------------
46//-
47// This file is not part of the Qt API. It exists purely as an-
48// implementation detail. This header file may change from version to-
49// version without notice, or even be removed.-
50//-
51// We mean it.-
52//-
53-
54#include "qqmllistmodel_p.h"-
55#include <private/qqmlengine_p.h>-
56#include <private/qqmlopenmetaobject_p.h>-
57#include <private/qv4qobjectwrapper_p.h>-
58#include <qqml.h>-
59-
60QT_REQUIRE_CONFIG(qml_list_model);-
61-
62QT_BEGIN_NAMESPACE-
63-
64-
65class DynamicRoleModelNode;-
66-
67class DynamicRoleModelNodeMetaObject : public QQmlOpenMetaObject-
68{-
69public:-
70 DynamicRoleModelNodeMetaObject(DynamicRoleModelNode *object);-
71 ~DynamicRoleModelNodeMetaObject();-
72-
73 bool m_enabled;-
74-
75protected:-
76 void propertyWrite(int index) override;-
77 void propertyWritten(int index) override;-
78-
79private:-
80 DynamicRoleModelNode *m_owner;-
81};-
82-
83class DynamicRoleModelNode : public QObject-
84{-
85 Q_OBJECT-
86public:-
87 DynamicRoleModelNode(QQmlListModel *owner, int uid);-
88-
89 static DynamicRoleModelNode *create(const QVariantMap &obj, QQmlListModel *owner);-
90-
91 void updateValues(const QVariantMap &object, QVector<int> &roles);-
92-
93 QVariant getValue(const QString &name) const-
94 {-
95 return m_meta->value(name.toUtf8());
executed 102 times by 2 tests: return m_meta->value(name.toUtf8());
Executed by:
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
102
96 }-
97-
98 bool setValue(const QByteArray &name, const QVariant &val)-
99 {-
100 return m_meta->setValue(name, val);
executed 1172 times by 2 tests: return m_meta->setValue(name, val);
Executed by:
  • tst_qqmllistmodel
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1172
101 }-
102-
103 void setNodeUpdatesEnabled(bool enable)-
104 {-
105 m_meta->m_enabled = enable;-
106 }
executed 2238 times by 2 tests: end of block
Executed by:
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
2238
107-
108 int getUid() const-
109 {-
110 return m_uid;
executed 3452 times by 1 test: return m_uid;
Executed by:
  • tst_qqmllistmodelworkerscript
3452
111 }-
112-
113 static QVector<int> sync(DynamicRoleModelNode *src, DynamicRoleModelNode *target);-
114-
115private:-
116 QQmlListModel *m_owner;-
117 int m_uid;-
118 DynamicRoleModelNodeMetaObject *m_meta;-
119-
120 friend class DynamicRoleModelNodeMetaObject;-
121};-
122-
123class ModelNodeMetaObject : public QQmlOpenMetaObject-
124{-
125public:-
126 ModelNodeMetaObject(QObject *object, QQmlListModel *model, int elementIndex);-
127 ~ModelNodeMetaObject();-
128-
129 QAbstractDynamicMetaObject *toDynamicMetaObject(QObject *object) override;-
130-
131 static ModelNodeMetaObject *get(QObject *obj);-
132-
133 bool m_enabled;-
134 QQmlListModel *m_model;-
135 int m_elementIndex;-
136-
137 void updateValues();-
138 void updateValues(const QVector<int> &roles);-
139-
140 bool initialized() const { return m_initialized; }
executed 58 times by 2 tests: return m_initialized;
Executed by:
  • tst_qqmllistmodel
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58
141-
142protected:-
143 void propertyWritten(int index) override;-
144-
145private:-
146 using QQmlOpenMetaObject::setValue;-
147-
148 void emitDirectNotifies(const int *changedRoles, int roleCount);-
149-
150 void initialize();-
151 bool m_initialized;-
152};-
153-
154namespace QV4 {-
155-
156namespace Heap {-
157-
158struct ModelObject : public QObjectWrapper {-
159 void init(QObject *object, QQmlListModel *model)-
160 {-
161 QObjectWrapper::init(object);-
162 m_model = model;-
163 QObjectPrivate *op = QObjectPrivate::get(object);-
164 m_nodeModelMetaObject = static_cast<ModelNodeMetaObject *>(op->metaObject);-
165 }
executed 660 times by 8 tests: end of block
Executed by:
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660
166 void destroy() { QObjectWrapper::destroy(); }
executed 660 times by 8 tests: end of block
Executed by:
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660
167 int elementIndex() const { return m_nodeModelMetaObject->m_elementIndex; }
executed 922 times by 8 tests: return m_nodeModelMetaObject->m_elementIndex;
Executed by:
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922
168 QQmlListModel *m_model;-
169 ModelNodeMetaObject *m_nodeModelMetaObject;-
170};-
171-
172}-
173-
174struct ModelObject : public QObjectWrapper-
175{-
176 V4_OBJECT2(ModelObject, QObjectWrapper)
never executed: end of block
never executed: end of block
executed 1980 times by 8 tests: return &static_vtbl;
Executed by:
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  • tst_qquickgridview
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executed 4102 times by 8 tests: return static_cast<QV4::Heap::ModelObject *>(m());
Executed by:
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  • tst_qquickgridview
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executed 3442 times by 8 tests: return dptr;
Executed by:
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0-4102
177 V4_NEEDS_DESTROY
executed 660 times by 8 tests: end of block
Executed by:
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660
178-
179protected:-
180 static bool virtualPut(Managed *m, PropertyKey id, const Value& value, Value *receiver);-
181 static ReturnedValue virtualGet(const Managed *m, PropertyKey id, const Value *receiver, bool *hasProperty);-
182 static void virtualAdvanceIterator(Managed *m, ObjectIterator *it, Value *name, uint *index, Property *p, PropertyAttributes *attributes);-
183};-
184-
185} // namespace QV4-
186-
187class ListLayout-
188{-
189public:-
190 ListLayout() : currentBlock(0), currentBlockOffset(0) {}
executed 2584 times by 15 tests: end of block
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmlecmascript
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmltranslation
  • tst_qqmlxmlhttprequest
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
  • tst_qtqmlmodules
2584
191 ListLayout(const ListLayout *other);-
192 ~ListLayout();-
193-
194 class Role-
195 {-
196 public:-
197-
198 Role() : type(Invalid), blockIndex(-1), blockOffset(-1), index(-1), subLayout(0) {}
executed 2118 times by 15 tests: end of block
Executed by:
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  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmltranslation
  • tst_qqmlxmlhttprequest
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
  • tst_qtqmlmodules
2118
199 explicit Role(const Role *other);-
200 ~Role();-
201-
202 // This enum must be kept in sync with the roleTypeNames variable in qqmllistmodel.cpp-
203 enum DataType-
204 {-
205 Invalid = -1,-
206-
207 String,-
208 Number,-
209 Bool,-
210 List,-
211 QObject,-
212 VariantMap,-
213 DateTime,-
214 Function,-
215-
216 MaxDataType-
217 };-
218-
219 QString name;-
220 DataType type;-
221 int blockIndex;-
222 int blockOffset;-
223 int index;-
224 ListLayout *subLayout;-
225 };-
226-
227 const Role *getRoleOrCreate(const QString &key, const QVariant &data);-
228 const Role &getRoleOrCreate(QV4::String *key, Role::DataType type);-
229 const Role &getRoleOrCreate(const QString &key, Role::DataType type);-
230-
231 const Role &getExistingRole(int index) const { return *roles.at(index); }
executed 25109 times by 15 tests: return *roles.at(index);
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmlecmascript
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmltranslation
  • tst_qqmlxmlhttprequest
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
  • tst_qtqmlmodules
25109
232 const Role *getExistingRole(const QString &key) const;-
233 const Role *getExistingRole(QV4::String *key) const;-
234-
235 int roleCount() const { return roles.count(); }
executed 32663 times by 15 tests: return roles.count();
Executed by:
  • tst_examples
  • tst_qmlcachegen
  • tst_qqmlecmascript
  • tst_qqmllistmodel
  • tst_qqmllistmodelworkerscript
  • tst_qqmltranslation
  • tst_qqmlxmlhttprequest
  • tst_qquickgridview
  • tst_qquickimage
  • tst_qquicklistview
  • tst_qquickpathview
  • tst_qquickrepeater
  • tst_qquickspringanimation
  • tst_qquickvisualdatamodel
  • tst_qtqmlmodules
32663
236-
237 static void sync(ListLayout *src, ListLayout *target);-
238-
239private:-
240 const Role &createRole(const QString &key, Role::DataType type);-
241-
242 int currentBlock;-
243 int currentBlockOffset;-
244 QVector<Role *> roles;-
245 QStringHash<Role *> roleHash;-
246};-
247-
248struct StringOrTranslation-
249{-
250 explicit StringOrTranslation(const QString &s);-
251 explicit StringOrTranslation(const QV4::CompiledData::Binding *binding);-
252 ~StringOrTranslation();-
253 bool isSet() const { return d.flag(); }
executed 14227 times by 14 tests: return d.flag();
Executed by:
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  • tst_qqmltranslation
  • tst_qqmlxmlhttprequest
  • tst_qquickgridview
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14227
254 bool isTranslation() const { return d.isT2(); }
executed 6 times by 2 tests: return d.isT2();
Executed by:
  • tst_qqmllistmodel
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6
255 void setString(const QString &s);-
256 void setTranslation(const QV4::CompiledData::Binding *binding);-
257 QString toString(const QQmlListModel *owner) const;-
258 QString asString() const;-
259private:-
260 void clear();-
261 QBiPointer<QStringData, const QV4::CompiledData::Binding> d;-
262};-
263-
264/*!-
265\internal-
266*/-
267class ListElement-
268{-
269public:-
270-
271 ListElement();-
272 ListElement(int existingUid);-
273 ~ListElement();-
274-
275 static QVector<int> sync(ListElement *src, ListLayout *srcLayout, ListElement *target, ListLayout *targetLayout);-
276-
277 enum-
278 {-
279 BLOCK_SIZE = 64 - sizeof(int) - sizeof(ListElement *) - sizeof(ModelNodeMetaObject *)-
280 };-
281-
282private:-
283-
284 void destroy(ListLayout *layout);-
285-
286 int setVariantProperty(const ListLayout::Role &role, const QVariant &d);-
287-
288 int setJsProperty(const ListLayout::Role &role, const QV4::Value &d, QV4::ExecutionEngine *eng);-
289-
290 int setStringProperty(const ListLayout::Role &role, const QString &s);-
291 int setDoubleProperty(const ListLayout::Role &role, double n);-
292 int setBoolProperty(const ListLayout::Role &role, bool b);-
293 int setListProperty(const ListLayout::Role &role, ListModel *m);-
294 int setQObjectProperty(const ListLayout::Role &role, QObject *o);-
295 int setVariantMapProperty(const ListLayout::Role &role, QV4::Object *o);-
296 int setVariantMapProperty(const ListLayout::Role &role, QVariantMap *m);-
297 int setDateTimeProperty(const ListLayout::Role &role, const QDateTime &dt);-
298 int setFunctionProperty(const ListLayout::Role &role, const QJSValue &f);-
299 int setTranslationProperty(const ListLayout::Role &role, const QV4::CompiledData::Binding *b);-
300-
301 void setStringPropertyFast(const ListLayout::Role &role, const QString &s);-
302 void setDoublePropertyFast(const ListLayout::Role &role, double n);-
303 void setBoolPropertyFast(const ListLayout::Role &role, bool b);-
304 void setQObjectPropertyFast(const ListLayout::Role &role, QObject *o);-
305 void setListPropertyFast(const ListLayout::Role &role, ListModel *m);-
306 void setVariantMapFast(const ListLayout::Role &role, QV4::Object *o);-
307 void setDateTimePropertyFast(const ListLayout::Role &role, const QDateTime &dt);-
308 void setFunctionPropertyFast(const ListLayout::Role &role, const QJSValue &f);-
309-
310 void clearProperty(const ListLayout::Role &role);-
311-
312 QVariant getProperty(const ListLayout::Role &role, const QQmlListModel *owner, QV4::ExecutionEngine *eng);-
313 ListModel *getListProperty(const ListLayout::Role &role);-
314 StringOrTranslation *getStringProperty(const ListLayout::Role &role);-
315 QObject *getQObjectProperty(const ListLayout::Role &role);-
316 QPointer<QObject> *getGuardProperty(const ListLayout::Role &role);-
317 QVariantMap *getVariantMapProperty(const ListLayout::Role &role);-
318 QDateTime *getDateTimeProperty(const ListLayout::Role &role);-
319 QJSValue *getFunctionProperty(const ListLayout::Role &role);-
320-
321 inline char *getPropertyMemory(const ListLayout::Role &role);-
322-
323 int getUid() const { return uid; }
executed 2844 times by 1 test: return uid;
Executed by:
  • tst_qqmllistmodelworkerscript
2844
324-
325 ModelNodeMetaObject *objectCache();-
326-
327 char data[BLOCK_SIZE];-
328 ListElement *next;-
329-
330 int uid;-
331 QObject *m_objectCache;-
332-
333 friend class ListModel;-
334};-
335-
336/*!-
337\internal-
338*/-
339class ListModel-
340{-
341public:-
342-
343 ListModel(ListLayout *layout, QQmlListModel *modelCache);-
344 ~ListModel() {}-
345-
346 void destroy();-
347-
348 int setOrCreateProperty(int elementIndex, const QString &key, const QVariant &data);-
349 int setExistingProperty(int uid, const QString &key, const QV4::Value &data, QV4::ExecutionEngine *eng);-
350-
351 QVariant getProperty(int elementIndex, int roleIndex, const QQmlListModel *owner, QV4::ExecutionEngine *eng);-
352 ListModel *getListProperty(int elementIndex, const ListLayout::Role &role);-
353-
354 int roleCount() const-
355 {-
356 return m_layout->roleCount();
executed 1952 times by 11 tests: return m_layout->roleCount();
Executed by:
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  • tst_qquickgridview
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1952
357 }-
358-
359 const ListLayout::Role &getExistingRole(int index) const-
360 {-
361 return m_layout->getExistingRole(index);
executed 1378 times by 11 tests: return m_layout->getExistingRole(index);
Executed by:
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1378
362 }-
363-
364 const ListLayout::Role *getExistingRole(QV4::String *key) const-
365 {-
366 return m_layout->getExistingRole(key);
executed 852 times by 8 tests: return m_layout->getExistingRole(key);
Executed by:
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852
367 }-
368-
369 const ListLayout::Role &getOrCreateListRole(const QString &name)-
370 {-
371 return m_layout->getRoleOrCreate(name, ListLayout::Role::List);
executed 66 times by 2 tests: return m_layout->getRoleOrCreate(name, ListLayout::Role::List);
Executed by:
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  • tst_qqmllistmodel
66
372 }-
373-
374 int elementCount() const-
375 {-
376 return elements.count();
executed 44602 times by 14 tests: return elements.count();
Executed by:
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44602
377 }-
378-
379 void set(int elementIndex, QV4::Object *object, QVector<int> *roles);-
380 void set(int elementIndex, QV4::Object *object);-
381-
382 int append(QV4::Object *object);-
383 void insert(int elementIndex, QV4::Object *object);-
384-
385 Q_REQUIRED_RESULT QVector<std::function<void()>> remove(int index, int count);-
386-
387 int appendElement();-
388 void insertElement(int index);-
389-
390 void move(int from, int to, int n);-
391-
392 static bool sync(ListModel *src, ListModel *target);-
393-
394 QObject *getOrCreateModelObject(QQmlListModel *model, int elementIndex);-
395-
396private:-
397 QPODVector<ListElement *, 4> elements;-
398 ListLayout *m_layout;-
399-
400 QQmlListModel *m_modelCache;-
401-
402 struct ElementSync-
403 {-
404 ListElement *src = nullptr;-
405 ListElement *target = nullptr;-
406 int srcIndex = -1;-
407 int targetIndex = -1;-
408 QVector<int> changedRoles;-
409 };-
410-
411 void newElement(int index);-
412-
413 void updateCacheIndices(int start = 0, int end = -1);-
414-
415 friend class ListElement;-
416 friend class QQmlListModelWorkerAgent;-
417 friend class QQmlListModelParser;-
418};-
419-
420QT_END_NAMESPACE-
421-
422Q_DECLARE_METATYPE(ListModel *);-
423-
424#endif // QQUICKLISTMODEL_P_P_H-
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