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39 | |
40 | #include "qqmlproxymetaobject_p.h" |
41 | #include "qqmlproperty_p.h" |
42 | |
43 | QT_BEGIN_NAMESPACE |
44 | |
45 | QQmlProxyMetaObject::QQmlProxyMetaObject(QObject *obj, QList<ProxyData> *mList) |
46 | : metaObjects(mList), proxies(nullptr), parent(nullptr), object(obj) |
47 | { |
48 | *static_cast<QMetaObject *>(this) = *metaObjects->constFirst().metaObject; |
49 | |
50 | QObjectPrivate *op = QObjectPrivate::get(o: obj); |
51 | if (op->metaObject) |
52 | parent = static_cast<QAbstractDynamicMetaObject*>(op->metaObject); |
53 | |
54 | op->metaObject = this; |
55 | } |
56 | |
57 | QQmlProxyMetaObject::~QQmlProxyMetaObject() |
58 | { |
59 | if (parent) |
60 | delete parent; |
61 | parent = nullptr; |
62 | |
63 | if (proxies) |
64 | delete [] proxies; |
65 | proxies = nullptr; |
66 | } |
67 | |
68 | int QQmlProxyMetaObject::metaCall(QObject *o, QMetaObject::Call c, int id, void **a) |
69 | { |
70 | Q_ASSERT(object == o); |
71 | |
72 | if ((c == QMetaObject::ReadProperty || |
73 | c == QMetaObject::WriteProperty) && |
74 | id >= metaObjects->constLast().propertyOffset) { |
75 | |
76 | for (int ii = 0; ii < metaObjects->count(); ++ii) { |
77 | const ProxyData &data = metaObjects->at(i: ii); |
78 | if (id >= data.propertyOffset) { |
79 | if (!proxies) { |
80 | proxies = new QObject*[metaObjects->count()]; |
81 | ::memset(s: proxies, c: 0, |
82 | n: sizeof(QObject *) * metaObjects->count()); |
83 | } |
84 | |
85 | if (!proxies[ii]) { |
86 | QObject *proxy = data.createFunc(object); |
87 | const QMetaObject *metaObject = proxy->metaObject(); |
88 | proxies[ii] = proxy; |
89 | |
90 | int localOffset = data.metaObject->methodOffset(); |
91 | int methodOffset = metaObject->methodOffset(); |
92 | int methods = metaObject->methodCount() - methodOffset; |
93 | |
94 | // ### - Can this be done more optimally? |
95 | for (int jj = 0; jj < methods; ++jj) { |
96 | QMetaMethod method = |
97 | metaObject->method(index: jj + methodOffset); |
98 | if (method.methodType() == QMetaMethod::Signal) |
99 | QQmlPropertyPrivate::connect(sender: proxy, signal_index: methodOffset + jj, receiver: object, method_index: localOffset + jj); |
100 | } |
101 | } |
102 | |
103 | int proxyOffset = proxies[ii]->metaObject()->propertyOffset(); |
104 | int proxyId = id - data.propertyOffset + proxyOffset; |
105 | |
106 | return proxies[ii]->qt_metacall(c, proxyId, a); |
107 | } |
108 | } |
109 | } else if (c == QMetaObject::InvokeMetaMethod && |
110 | id >= metaObjects->constLast().methodOffset) { |
111 | QMetaMethod m = object->metaObject()->method(index: id); |
112 | if (m.methodType() == QMetaMethod::Signal) { |
113 | QMetaObject::activate(sender: object, signal_index: id, argv: a); |
114 | return -1; |
115 | } |
116 | } |
117 | |
118 | if (parent) |
119 | return parent->metaCall(o, c, id: id, a); |
120 | else |
121 | return object->qt_metacall(c, id, a); |
122 | } |
123 | |
124 | QT_END_NAMESPACE |
125 | |