source: trunk/src/declarative/qml/qdeclarativevmemetaobject.cpp@ 1163

Last change on this file since 1163 was 846, checked in by Dmitry A. Kuminov, 15 years ago

trunk: Merged in qt 4.7.2 sources from branches/vendor/nokia/qt.
File size: 30.1 KB
Line 
1/****************************************************************************
2**
3** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
4** All rights reserved.
5** Contact: Nokia Corporation (qt-info@nokia.com)
6**
7** This file is part of the QtDeclarative module of the Qt Toolkit.
8**
9** $QT_BEGIN_LICENSE:LGPL$
10** Commercial Usage
11** Licensees holding valid Qt Commercial licenses may use this file in
12** accordance with the Qt Commercial License Agreement provided with the
13** Software or, alternatively, in accordance with the terms contained in
14** a written agreement between you and Nokia.
15**
16** GNU Lesser General Public License Usage
17** Alternatively, this file may be used under the terms of the GNU Lesser
18** General Public License version 2.1 as published by the Free Software
19** Foundation and appearing in the file LICENSE.LGPL included in the
20** packaging of this file. Please review the following information to
21** ensure the GNU Lesser General Public License version 2.1 requirements
22** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
23**
24** In addition, as a special exception, Nokia gives you certain additional
25** rights. These rights are described in the Nokia Qt LGPL Exception
26** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
27**
28** GNU General Public License Usage
29** Alternatively, this file may be used under the terms of the GNU
30** General Public License version 3.0 as published by the Free Software
31** Foundation and appearing in the file LICENSE.GPL included in the
32** packaging of this file. Please review the following information to
33** ensure the GNU General Public License version 3.0 requirements will be
34** met: http://www.gnu.org/copyleft/gpl.html.
35**
36** If you have questions regarding the use of this file, please contact
37** Nokia at qt-info@nokia.com.
38** $QT_END_LICENSE$
39**
40****************************************************************************/
41
42#include "private/qdeclarativevmemetaobject_p.h"
43
44#include "qdeclarative.h"
45#include "private/qdeclarativerefcount_p.h"
46#include "qdeclarativeexpression.h"
47#include "private/qdeclarativeexpression_p.h"
48#include "private/qdeclarativecontext_p.h"
49#include "private/qdeclarativebinding_p.h"
50
51Q_DECLARE_METATYPE(QScriptValue);
52
53QT_BEGIN_NAMESPACE
54
55class QDeclarativeVMEVariant
56{
57public:
58 inline QDeclarativeVMEVariant();
59 inline ~QDeclarativeVMEVariant();
60
61 inline const void *dataPtr() const;
62 inline void *dataPtr();
63 inline int dataType() const;
64
65 inline QObject *asQObject();
66 inline const QVariant &asQVariant();
67 inline int asInt();
68 inline bool asBool();
69 inline double asDouble();
70 inline const QString &asQString();
71 inline const QUrl &asQUrl();
72 inline const QColor &asQColor();
73 inline const QTime &asQTime();
74 inline const QDate &asQDate();
75 inline const QDateTime &asQDateTime();
76 inline const QScriptValue &asQScriptValue();
77
78 inline void setValue(QObject *);
79 inline void setValue(const QVariant &);
80 inline void setValue(int);
81 inline void setValue(bool);
82 inline void setValue(double);
83 inline void setValue(const QString &);
84 inline void setValue(const QUrl &);
85 inline void setValue(const QColor &);
86 inline void setValue(const QTime &);
87 inline void setValue(const QDate &);
88 inline void setValue(const QDateTime &);
89 inline void setValue(const QScriptValue &);
90private:
91 int type;
92 void *data[4]; // Large enough to hold all types
93
94 inline void cleanup();
95};
96
97QDeclarativeVMEVariant::QDeclarativeVMEVariant()
98: type(QVariant::Invalid)
99{
100}
101
102QDeclarativeVMEVariant::~QDeclarativeVMEVariant()
103{
104 cleanup();
105}
106
107void QDeclarativeVMEVariant::cleanup()
108{
109 if (type == QVariant::Invalid) {
110 } else if (type == QMetaType::Int ||
111 type == QMetaType::Bool ||
112 type == QMetaType::Double) {
113 type = QVariant::Invalid;
114 } else if (type == QMetaType::QObjectStar) {
115 ((QDeclarativeGuard<QObject>*)dataPtr())->~QDeclarativeGuard<QObject>();
116 type = QVariant::Invalid;
117 } else if (type == QMetaType::QString) {
118 ((QString *)dataPtr())->~QString();
119 type = QVariant::Invalid;
120 } else if (type == QMetaType::QUrl) {
121 ((QUrl *)dataPtr())->~QUrl();
122 type = QVariant::Invalid;
123 } else if (type == QMetaType::QColor) {
124 ((QColor *)dataPtr())->~QColor();
125 type = QVariant::Invalid;
126 } else if (type == QMetaType::QTime) {
127 ((QTime *)dataPtr())->~QTime();
128 type = QVariant::Invalid;
129 } else if (type == QMetaType::QDate) {
130 ((QDate *)dataPtr())->~QDate();
131 type = QVariant::Invalid;
132 } else if (type == QMetaType::QDateTime) {
133 ((QDateTime *)dataPtr())->~QDateTime();
134 type = QVariant::Invalid;
135 } else if (type == qMetaTypeId<QVariant>()) {
136 ((QVariant *)dataPtr())->~QVariant();
137 type = QVariant::Invalid;
138 } else if (type == qMetaTypeId<QScriptValue>()) {
139 ((QScriptValue *)dataPtr())->~QScriptValue();
140 type = QVariant::Invalid;
141 }
142
143}
144
145int QDeclarativeVMEVariant::dataType() const
146{
147 return type;
148}
149
150const void *QDeclarativeVMEVariant::dataPtr() const
151{
152 return &data;
153}
154
155void *QDeclarativeVMEVariant::dataPtr()
156{
157 return &data;
158}
159
160QObject *QDeclarativeVMEVariant::asQObject()
161{
162 if (type != QMetaType::QObjectStar)
163 setValue((QObject *)0);
164
165 return *(QDeclarativeGuard<QObject> *)(dataPtr());
166}
167
168const QVariant &QDeclarativeVMEVariant::asQVariant()
169{
170 if (type != QMetaType::QVariant)
171 setValue(QVariant());
172
173 return *(QVariant *)(dataPtr());
174}
175
176int QDeclarativeVMEVariant::asInt()
177{
178 if (type != QMetaType::Int)
179 setValue(int(0));
180
181 return *(int *)(dataPtr());
182}
183
184bool QDeclarativeVMEVariant::asBool()
185{
186 if (type != QMetaType::Bool)
187 setValue(bool(false));
188
189 return *(bool *)(dataPtr());
190}
191
192double QDeclarativeVMEVariant::asDouble()
193{
194 if (type != QMetaType::Double)
195 setValue(double(0));
196
197 return *(double *)(dataPtr());
198}
199
200const QString &QDeclarativeVMEVariant::asQString()
201{
202 if (type != QMetaType::QString)
203 setValue(QString());
204
205 return *(QString *)(dataPtr());
206}
207
208const QUrl &QDeclarativeVMEVariant::asQUrl()
209{
210 if (type != QMetaType::QUrl)
211 setValue(QUrl());
212
213 return *(QUrl *)(dataPtr());
214}
215
216const QColor &QDeclarativeVMEVariant::asQColor()
217{
218 if (type != QMetaType::QColor)
219 setValue(QColor());
220
221 return *(QColor *)(dataPtr());
222}
223
224const QTime &QDeclarativeVMEVariant::asQTime()
225{
226 if (type != QMetaType::QTime)
227 setValue(QTime());
228
229 return *(QTime *)(dataPtr());
230}
231
232const QDate &QDeclarativeVMEVariant::asQDate()
233{
234 if (type != QMetaType::QDate)
235 setValue(QDate());
236
237 return *(QDate *)(dataPtr());
238}
239
240const QDateTime &QDeclarativeVMEVariant::asQDateTime()
241{
242 if (type != QMetaType::QDateTime)
243 setValue(QDateTime());
244
245 return *(QDateTime *)(dataPtr());
246}
247
248const QScriptValue &QDeclarativeVMEVariant::asQScriptValue()
249{
250 if (type != qMetaTypeId<QScriptValue>())
251 setValue(QScriptValue());
252
253 return *(QScriptValue *)(dataPtr());
254}
255
256void QDeclarativeVMEVariant::setValue(QObject *v)
257{
258 if (type != QMetaType::QObjectStar) {
259 cleanup();
260 type = QMetaType::QObjectStar;
261 new (dataPtr()) QDeclarativeGuard<QObject>();
262 }
263 *(QDeclarativeGuard<QObject>*)(dataPtr()) = v;
264}
265
266void QDeclarativeVMEVariant::setValue(const QVariant &v)
267{
268 if (type != qMetaTypeId<QVariant>()) {
269 cleanup();
270 type = qMetaTypeId<QVariant>();
271 new (dataPtr()) QVariant(v);
272 } else {
273 *(QVariant *)(dataPtr()) = v;
274 }
275}
276
277void QDeclarativeVMEVariant::setValue(int v)
278{
279 if (type != QMetaType::Int) {
280 cleanup();
281 type = QMetaType::Int;
282 }
283 *(int *)(dataPtr()) = v;
284}
285
286void QDeclarativeVMEVariant::setValue(bool v)
287{
288 if (type != QMetaType::Bool) {
289 cleanup();
290 type = QMetaType::Bool;
291 }
292 *(bool *)(dataPtr()) = v;
293}
294
295void QDeclarativeVMEVariant::setValue(double v)
296{
297 if (type != QMetaType::Double) {
298 cleanup();
299 type = QMetaType::Double;
300 }
301 *(double *)(dataPtr()) = v;
302}
303
304void QDeclarativeVMEVariant::setValue(const QString &v)
305{
306 if (type != QMetaType::QString) {
307 cleanup();
308 type = QMetaType::QString;
309 new (dataPtr()) QString(v);
310 } else {
311 *(QString *)(dataPtr()) = v;
312 }
313}
314
315void QDeclarativeVMEVariant::setValue(const QUrl &v)
316{
317 if (type != QMetaType::QUrl) {
318 cleanup();
319 type = QMetaType::QUrl;
320 new (dataPtr()) QUrl(v);
321 } else {
322 *(QUrl *)(dataPtr()) = v;
323 }
324}
325
326void QDeclarativeVMEVariant::setValue(const QColor &v)
327{
328 if (type != QMetaType::QColor) {
329 cleanup();
330 type = QMetaType::QColor;
331 new (dataPtr()) QColor(v);
332 } else {
333 *(QColor *)(dataPtr()) = v;
334 }
335}
336
337void QDeclarativeVMEVariant::setValue(const QTime &v)
338{
339 if (type != QMetaType::QTime) {
340 cleanup();
341 type = QMetaType::QTime;
342 new (dataPtr()) QTime(v);
343 } else {
344 *(QTime *)(dataPtr()) = v;
345 }
346}
347
348void QDeclarativeVMEVariant::setValue(const QDate &v)
349{
350 if (type != QMetaType::QDate) {
351 cleanup();
352 type = QMetaType::QDate;
353 new (dataPtr()) QDate(v);
354 } else {
355 *(QDate *)(dataPtr()) = v;
356 }
357}
358
359void QDeclarativeVMEVariant::setValue(const QDateTime &v)
360{
361 if (type != QMetaType::QDateTime) {
362 cleanup();
363 type = QMetaType::QDateTime;
364 new (dataPtr()) QDateTime(v);
365 } else {
366 *(QDateTime *)(dataPtr()) = v;
367 }
368}
369
370void QDeclarativeVMEVariant::setValue(const QScriptValue &v)
371{
372 if (type != qMetaTypeId<QScriptValue>()) {
373 cleanup();
374 type = qMetaTypeId<QScriptValue>();
375 new (dataPtr()) QScriptValue(v);
376 } else {
377 *(QScriptValue *)(dataPtr()) = v;
378 }
379}
380
381QDeclarativeVMEMetaObject::QDeclarativeVMEMetaObject(QObject *obj,
382 const QMetaObject *other,
383 const QDeclarativeVMEMetaData *meta,
384 QDeclarativeCompiledData *cdata)
385: object(obj), compiledData(cdata), ctxt(QDeclarativeData::get(obj, true)->outerContext),
386 metaData(meta), data(0), methods(0), parent(0)
387{
388 compiledData->addref();
389
390 *static_cast<QMetaObject *>(this) = *other;
391 this->d.superdata = obj->metaObject();
392
393 QObjectPrivate *op = QObjectPrivate::get(obj);
394 if (op->metaObject)
395 parent = static_cast<QAbstractDynamicMetaObject*>(op->metaObject);
396 op->metaObject = this;
397
398 propOffset = QAbstractDynamicMetaObject::propertyOffset();
399 methodOffset = QAbstractDynamicMetaObject::methodOffset();
400
401 data = new QDeclarativeVMEVariant[metaData->propertyCount];
402
403 aConnected.resize(metaData->aliasCount);
404 int list_type = qMetaTypeId<QDeclarativeListProperty<QObject> >();
405
406 // ### Optimize
407 for (int ii = 0; ii < metaData->propertyCount; ++ii) {
408 int t = (metaData->propertyData() + ii)->propertyType;
409 if (t == list_type) {
410 listProperties.append(List(methodOffset + ii));
411 data[ii].setValue(listProperties.count() - 1);
412 }
413 }
414}
415
416QDeclarativeVMEMetaObject::~QDeclarativeVMEMetaObject()
417{
418 compiledData->release();
419 delete parent;
420 delete [] data;
421 delete [] methods;
422}
423
424int QDeclarativeVMEMetaObject::metaCall(QMetaObject::Call c, int _id, void **a)
425{
426 int id = _id;
427 if(c == QMetaObject::WriteProperty) {
428 int flags = *reinterpret_cast<int*>(a[3]);
429 if (!(flags & QDeclarativePropertyPrivate::BypassInterceptor)
430 && !aInterceptors.isEmpty()
431 && aInterceptors.testBit(id)) {
432 QPair<int, QDeclarativePropertyValueInterceptor*> pair = interceptors.value(id);
433 int valueIndex = pair.first;
434 QDeclarativePropertyValueInterceptor *vi = pair.second;
435 int type = property(id).userType();
436
437 if (type != QVariant::Invalid) {
438 if (valueIndex != -1) {
439 QDeclarativeEnginePrivate *ep = ctxt?QDeclarativeEnginePrivate::get(ctxt->engine):0;
440 QDeclarativeValueType *valueType = 0;
441 if (ep) valueType = ep->valueTypes[type];
442 else valueType = QDeclarativeValueTypeFactory::valueType(type);
443 Q_ASSERT(valueType);
444
445 valueType->setValue(QVariant(type, a[0]));
446 QMetaProperty valueProp = valueType->metaObject()->property(valueIndex);
447 vi->write(valueProp.read(valueType));
448
449 if (!ep) delete valueType;
450 return -1;
451 } else {
452 vi->write(QVariant(type, a[0]));
453 return -1;
454 }
455 }
456 }
457 }
458 if(c == QMetaObject::ReadProperty || c == QMetaObject::WriteProperty) {
459 if (id >= propOffset) {
460 id -= propOffset;
461
462 if (id < metaData->propertyCount) {
463 int t = (metaData->propertyData() + id)->propertyType;
464 bool needActivate = false;
465
466 if (t == -1) {
467
468 if (c == QMetaObject::ReadProperty) {
469 *reinterpret_cast<QVariant *>(a[0]) = readVarPropertyAsVariant(id);
470 } else if (c == QMetaObject::WriteProperty) {
471 writeVarProperty(id, *reinterpret_cast<QVariant *>(a[0]));
472 }
473
474 } else {
475
476 if (c == QMetaObject::ReadProperty) {
477 switch(t) {
478 case QVariant::Int:
479 *reinterpret_cast<int *>(a[0]) = data[id].asInt();
480 break;
481 case QVariant::Bool:
482 *reinterpret_cast<bool *>(a[0]) = data[id].asBool();
483 break;
484 case QVariant::Double:
485 *reinterpret_cast<double *>(a[0]) = data[id].asDouble();
486 break;
487 case QVariant::String:
488 *reinterpret_cast<QString *>(a[0]) = data[id].asQString();
489 break;
490 case QVariant::Url:
491 *reinterpret_cast<QUrl *>(a[0]) = data[id].asQUrl();
492 break;
493 case QVariant::Color:
494 *reinterpret_cast<QColor *>(a[0]) = data[id].asQColor();
495 break;
496 case QVariant::Date:
497 *reinterpret_cast<QDate *>(a[0]) = data[id].asQDate();
498 break;
499 case QVariant::DateTime:
500 *reinterpret_cast<QDateTime *>(a[0]) = data[id].asQDateTime();
501 break;
502 case QMetaType::QObjectStar:
503 *reinterpret_cast<QObject **>(a[0]) = data[id].asQObject();
504 break;
505 default:
506 break;
507 }
508 if (t == qMetaTypeId<QDeclarativeListProperty<QObject> >()) {
509 int listIndex = data[id].asInt();
510 const List *list = &listProperties.at(listIndex);
511 *reinterpret_cast<QDeclarativeListProperty<QObject> *>(a[0]) =
512 QDeclarativeListProperty<QObject>(object, (void *)list,
513 list_append, list_count, list_at,
514 list_clear);
515 }
516
517 } else if (c == QMetaObject::WriteProperty) {
518
519 switch(t) {
520 case QVariant::Int:
521 needActivate = *reinterpret_cast<int *>(a[0]) != data[id].asInt();
522 data[id].setValue(*reinterpret_cast<int *>(a[0]));
523 break;
524 case QVariant::Bool:
525 needActivate = *reinterpret_cast<bool *>(a[0]) != data[id].asBool();
526 data[id].setValue(*reinterpret_cast<bool *>(a[0]));
527 break;
528 case QVariant::Double:
529 needActivate = *reinterpret_cast<double *>(a[0]) != data[id].asDouble();
530 data[id].setValue(*reinterpret_cast<double *>(a[0]));
531 break;
532 case QVariant::String:
533 needActivate = *reinterpret_cast<QString *>(a[0]) != data[id].asQString();
534 data[id].setValue(*reinterpret_cast<QString *>(a[0]));
535 break;
536 case QVariant::Url:
537 needActivate = *reinterpret_cast<QUrl *>(a[0]) != data[id].asQUrl();
538 data[id].setValue(*reinterpret_cast<QUrl *>(a[0]));
539 break;
540 case QVariant::Color:
541 needActivate = *reinterpret_cast<QColor *>(a[0]) != data[id].asQColor();
542 data[id].setValue(*reinterpret_cast<QColor *>(a[0]));
543 break;
544 case QVariant::Date:
545 needActivate = *reinterpret_cast<QDate *>(a[0]) != data[id].asQDate();
546 data[id].setValue(*reinterpret_cast<QDate *>(a[0]));
547 break;
548 case QVariant::DateTime:
549 needActivate = *reinterpret_cast<QDateTime *>(a[0]) != data[id].asQDateTime();
550 data[id].setValue(*reinterpret_cast<QDateTime *>(a[0]));
551 break;
552 case QMetaType::QObjectStar:
553 needActivate = *reinterpret_cast<QObject **>(a[0]) != data[id].asQObject();
554 data[id].setValue(*reinterpret_cast<QObject **>(a[0]));
555 break;
556 default:
557 break;
558 }
559 }
560
561 }
562
563 if (c == QMetaObject::WriteProperty && needActivate) {
564 activate(object, methodOffset + id, 0);
565 }
566
567 return -1;
568 }
569
570 id -= metaData->propertyCount;
571
572 if (id < metaData->aliasCount) {
573
574 QDeclarativeVMEMetaData::AliasData *d = metaData->aliasData() + id;
575
576 if (d->flags & QML_ALIAS_FLAG_PTR && c == QMetaObject::ReadProperty)
577 *reinterpret_cast<void **>(a[0]) = 0;
578
579 if (!ctxt) return -1;
580
581 QDeclarativeContext *context = ctxt->asQDeclarativeContext();
582 QDeclarativeContextPrivate *ctxtPriv = QDeclarativeContextPrivate::get(context);
583
584 QObject *target = ctxtPriv->data->idValues[d->contextIdx].data();
585 if (!target)
586 return -1;
587
588 connectAlias(id);
589
590 if (d->isObjectAlias()) {
591 *reinterpret_cast<QObject **>(a[0]) = target;
592 return -1;
593 }
594
595 // Remove binding (if any) on write
596 if(c == QMetaObject::WriteProperty) {
597 int flags = *reinterpret_cast<int*>(a[3]);
598 if (flags & QDeclarativePropertyPrivate::RemoveBindingOnAliasWrite) {
599 QDeclarativeData *targetData = QDeclarativeData::get(target);
600 if (targetData && targetData->hasBindingBit(d->propertyIndex())) {
601 QDeclarativeAbstractBinding *binding = QDeclarativePropertyPrivate::setBinding(target, d->propertyIndex(), d->isValueTypeAlias()?d->valueTypeIndex():-1, 0);
602 if (binding) binding->destroy();
603 }
604 }
605 }
606
607 if (d->isValueTypeAlias()) {
608 // Value type property
609 QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(ctxt->engine);
610
611 QDeclarativeValueType *valueType = ep->valueTypes[d->valueType()];
612 Q_ASSERT(valueType);
613
614 valueType->read(target, d->propertyIndex());
615 int rv = QMetaObject::metacall(valueType, c, d->valueTypeIndex(), a);
616
617 if (c == QMetaObject::WriteProperty)
618 valueType->write(target, d->propertyIndex(), 0x00);
619
620 return rv;
621
622 } else {
623 return QMetaObject::metacall(target, c, d->propertyIndex(), a);
624 }
625
626 }
627 return -1;
628
629 }
630
631 } else if(c == QMetaObject::InvokeMetaMethod) {
632
633 if (id >= methodOffset) {
634
635 id -= methodOffset;
636 int plainSignals = metaData->signalCount + metaData->propertyCount +
637 metaData->aliasCount;
638 if (id < plainSignals) {
639 QMetaObject::activate(object, _id, a);
640 return -1;
641 }
642
643 id -= plainSignals;
644
645 if (id < metaData->methodCount) {
646 if (!ctxt->engine)
647 return -1; // We can't run the method
648
649 QDeclarativeEnginePrivate *ep = QDeclarativeEnginePrivate::get(ctxt->engine);
650
651 QScriptValue function = method(id);
652
653 QScriptValueList args;
654 QDeclarativeVMEMetaData::MethodData *data = metaData->methodData() + id;
655 if (data->parameterCount) {
656 for (int ii = 0; ii < data->parameterCount; ++ii) {
657 args << ep->scriptValueFromVariant(*(QVariant *)a[ii + 1]);
658 }
659 }
660 QScriptValue rv = function.call(ep->objectClass->newQObject(object), args);
661
662 if (a[0]) *reinterpret_cast<QVariant *>(a[0]) = ep->scriptValueToVariant(rv);
663
664 return -1;
665 }
666 return -1;
667 }
668 }
669
670 if (parent)
671 return parent->metaCall(c, _id, a);
672 else
673 return object->qt_metacall(c, _id, a);
674}
675
676QScriptValue QDeclarativeVMEMetaObject::method(int index)
677{
678 if (!methods)
679 methods = new QScriptValue[metaData->methodCount];
680
681 if (!methods[index].isValid()) {
682 QDeclarativeVMEMetaData::MethodData *data = metaData->methodData() + index;
683
684 const QChar *body =
685 (const QChar *)(((const char*)metaData) + data->bodyOffset);
686
687 QString code = QString::fromRawData(body, data->bodyLength);
688
689 // XXX Use QScriptProgram
690 // XXX We should evaluate all methods in a single big script block to
691 // improve the call time between dynamic methods defined on the same
692 // object
693 methods[index] = QDeclarativeExpressionPrivate::evalInObjectScope(ctxt, object, code, ctxt->url.toString(),
694 data->lineNumber, 0);
695 }
696
697 return methods[index];
698}
699
700QScriptValue QDeclarativeVMEMetaObject::readVarProperty(int id)
701{
702 if (data[id].dataType() == qMetaTypeId<QScriptValue>())
703 return data[id].asQScriptValue();
704 else if (data[id].dataType() == QMetaType::QObjectStar)
705 return QDeclarativeEnginePrivate::get(ctxt->engine)->objectClass->newQObject(data[id].asQObject());
706 else
707 return QDeclarativeEnginePrivate::get(ctxt->engine)->scriptValueFromVariant(data[id].asQVariant());
708}
709
710QVariant QDeclarativeVMEMetaObject::readVarPropertyAsVariant(int id)
711{
712 if (data[id].dataType() == qMetaTypeId<QScriptValue>())
713 return QDeclarativeEnginePrivate::get(ctxt->engine)->scriptValueToVariant(data[id].asQScriptValue());
714 else if (data[id].dataType() == QMetaType::QObjectStar)
715 return QVariant::fromValue(data[id].asQObject());
716 else
717 return data[id].asQVariant();
718}
719
720void QDeclarativeVMEMetaObject::writeVarProperty(int id, const QScriptValue &value)
721{
722 data[id].setValue(value);
723 activate(object, methodOffset + id, 0);
724}
725
726void QDeclarativeVMEMetaObject::writeVarProperty(int id, const QVariant &value)
727{
728 bool needActivate = false;
729 if (value.userType() == QMetaType::QObjectStar) {
730 QObject *o = qvariant_cast<QObject *>(value);
731 needActivate = (data[id].dataType() != QMetaType::QObjectStar || data[id].asQObject() != o);
732 data[id].setValue(qvariant_cast<QObject *>(value));
733 } else {
734 needActivate = (data[id].dataType() != qMetaTypeId<QVariant>() ||
735 data[id].asQVariant().userType() != value.userType() ||
736 data[id].asQVariant() != value);
737 data[id].setValue(value);
738 }
739 if (needActivate)
740 activate(object, methodOffset + id, 0);
741}
742
743void QDeclarativeVMEMetaObject::listChanged(int id)
744{
745 activate(object, methodOffset + id, 0);
746}
747
748void QDeclarativeVMEMetaObject::list_append(QDeclarativeListProperty<QObject> *prop, QObject *o)
749{
750 List *list = static_cast<List *>(prop->data);
751 list->append(o);
752 QMetaObject::activate(prop->object, list->notifyIndex, 0);
753}
754
755int QDeclarativeVMEMetaObject::list_count(QDeclarativeListProperty<QObject> *prop)
756{
757 return static_cast<List *>(prop->data)->count();
758}
759
760QObject *QDeclarativeVMEMetaObject::list_at(QDeclarativeListProperty<QObject> *prop, int index)
761{
762 return static_cast<List *>(prop->data)->at(index);
763}
764
765void QDeclarativeVMEMetaObject::list_clear(QDeclarativeListProperty<QObject> *prop)
766{
767 List *list = static_cast<List *>(prop->data);
768 list->clear();
769 QMetaObject::activate(prop->object, list->notifyIndex, 0);
770}
771
772void QDeclarativeVMEMetaObject::registerInterceptor(int index, int valueIndex, QDeclarativePropertyValueInterceptor *interceptor)
773{
774 if (aInterceptors.isEmpty())
775 aInterceptors.resize(propertyCount() + metaData->propertyCount);
776 aInterceptors.setBit(index);
777 interceptors.insert(index, qMakePair(valueIndex, interceptor));
778}
779
780int QDeclarativeVMEMetaObject::vmeMethodLineNumber(int index)
781{
782 if (index < methodOffset) {
783 Q_ASSERT(parent);
784 return static_cast<QDeclarativeVMEMetaObject *>(parent)->vmeMethodLineNumber(index);
785 }
786
787 int plainSignals = metaData->signalCount + metaData->propertyCount + metaData->aliasCount;
788 Q_ASSERT(index >= (methodOffset + plainSignals) && index < (methodOffset + plainSignals + metaData->methodCount));
789
790 int rawIndex = index - methodOffset - plainSignals;
791
792 QDeclarativeVMEMetaData::MethodData *data = metaData->methodData() + rawIndex;
793 return data->lineNumber;
794}
795
796QScriptValue QDeclarativeVMEMetaObject::vmeMethod(int index)
797{
798 if (index < methodOffset) {
799 Q_ASSERT(parent);
800 return static_cast<QDeclarativeVMEMetaObject *>(parent)->vmeMethod(index);
801 }
802 int plainSignals = metaData->signalCount + metaData->propertyCount + metaData->aliasCount;
803 Q_ASSERT(index >= (methodOffset + plainSignals) && index < (methodOffset + plainSignals + metaData->methodCount));
804 return method(index - methodOffset - plainSignals);
805}
806
807void QDeclarativeVMEMetaObject::setVmeMethod(int index, const QScriptValue &value)
808{
809 if (index < methodOffset) {
810 Q_ASSERT(parent);
811 return static_cast<QDeclarativeVMEMetaObject *>(parent)->setVmeMethod(index, value);
812 }
813 int plainSignals = metaData->signalCount + metaData->propertyCount + metaData->aliasCount;
814 Q_ASSERT(index >= (methodOffset + plainSignals) && index < (methodOffset + plainSignals + metaData->methodCount));
815
816 if (!methods)
817 methods = new QScriptValue[metaData->methodCount];
818 methods[index - methodOffset - plainSignals] = value;
819}
820
821QScriptValue QDeclarativeVMEMetaObject::vmeProperty(int index)
822{
823 if (index < propOffset) {
824 Q_ASSERT(parent);
825 return static_cast<QDeclarativeVMEMetaObject *>(parent)->vmeProperty(index);
826 }
827 return readVarProperty(index - propOffset);
828}
829
830void QDeclarativeVMEMetaObject::setVMEProperty(int index, const QScriptValue &v)
831{
832 if (index < propOffset) {
833 Q_ASSERT(parent);
834 static_cast<QDeclarativeVMEMetaObject *>(parent)->setVMEProperty(index, v);
835 }
836 return writeVarProperty(index - propOffset, v);
837}
838
839bool QDeclarativeVMEMetaObject::aliasTarget(int index, QObject **target, int *coreIndex, int *valueTypeIndex) const
840{
841 Q_ASSERT(index >= propOffset + metaData->propertyCount);
842
843 *target = 0;
844 *coreIndex = -1;
845 *valueTypeIndex = -1;
846
847 if (!ctxt)
848 return false;
849
850 QDeclarativeVMEMetaData::AliasData *d = metaData->aliasData() + (index - propOffset - metaData->propertyCount);
851 QDeclarativeContext *context = ctxt->asQDeclarativeContext();
852 QDeclarativeContextPrivate *ctxtPriv = QDeclarativeContextPrivate::get(context);
853
854 *target = ctxtPriv->data->idValues[d->contextIdx].data();
855 if (!*target)
856 return false;
857
858 if (d->isObjectAlias()) {
859 } else if (d->isValueTypeAlias()) {
860 *coreIndex = d->propertyIndex();
861 *valueTypeIndex = d->valueTypeIndex();
862 } else {
863 *coreIndex = d->propertyIndex();
864 }
865
866 return true;
867}
868
869void QDeclarativeVMEMetaObject::connectAlias(int aliasId)
870{
871 if (!aConnected.testBit(aliasId)) {
872 aConnected.setBit(aliasId);
873
874 QDeclarativeContext *context = ctxt->asQDeclarativeContext();
875 QDeclarativeContextPrivate *ctxtPriv = QDeclarativeContextPrivate::get(context);
876
877 QDeclarativeVMEMetaData::AliasData *d = metaData->aliasData() + aliasId;
878
879 QObject *target = ctxtPriv->data->idValues[d->contextIdx].data();
880 if (!target)
881 return;
882
883 int sigIdx = methodOffset + aliasId + metaData->propertyCount;
884 QMetaObject::connect(context, d->contextIdx + ctxtPriv->notifyIndex, object, sigIdx);
885
886 if (!d->isObjectAlias()) {
887 QMetaProperty prop = target->metaObject()->property(d->propertyIndex());
888 if (prop.hasNotifySignal())
889 QDeclarativePropertyPrivate::connect(target, prop.notifySignalIndex(), object, sigIdx);
890 }
891 }
892}
893
894void QDeclarativeVMEMetaObject::connectAliasSignal(int index)
895{
896 int aliasId = (index - methodOffset) - metaData->propertyCount;
897 if (aliasId < 0 || aliasId >= metaData->aliasCount)
898 return;
899
900 connectAlias(aliasId);
901}
902
903QT_END_NAMESPACE
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