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authorKent Hansen <khansen@trolltech.com>2009-07-10 12:27:16 (GMT)
committerKent Hansen <khansen@trolltech.com>2009-07-10 12:27:16 (GMT)
commit75bc0215080fcafea9ba1bafedd980d9ac71bf9d (patch)
tree61156a5b2eaf3377b304beb6df59343750d21804 /tests/auto/qscriptclass
parent0579f4be2e79bb95c963a7e2368b6ee797c25e90 (diff)
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implement ability to dynamically change class of script objects
With an object created by QScriptEngine::newObject(), it should be possible to call QScriptValue::setClass() to dynamically change the behavior of that object. Similarly, it should be possible to promote plain script objects to QObject (QVariant) wrappers by calling the overload of QScriptEngine::newQObject() (newVariant()) that takes a script object as the first argument. This commit implements this capability. The premise is the (internal) QScriptObject class, which inherits JSC::JSObject. It reimplements all the methods for getting/setting properties etc. Then there's a level of indirection to facilitate dynamic change of the class: Each QScriptObject can have a delegate associated with it that will handle operations on the object. By default there is no delegate, so the object behaves as a normal JS object, as you expect. However, once a delegate is set (e.g., when QScriptValue::setScriptClass() is called), QScriptObject will give the delegate the chance to handle the object operation. In addition to a delegate implementation for QScriptClass-based objects, there are also delegates for QObject and QVariant wrappers. These replace the QObjectWrapperObject and QVariantWrapperObject classes.
Diffstat (limited to 'tests/auto/qscriptclass')
-rw-r--r--tests/auto/qscriptclass/tst_qscriptclass.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/tests/auto/qscriptclass/tst_qscriptclass.cpp b/tests/auto/qscriptclass/tst_qscriptclass.cpp
index 963b221..e587b51 100644
--- a/tests/auto/qscriptclass/tst_qscriptclass.cpp
+++ b/tests/auto/qscriptclass/tst_qscriptclass.cpp
@@ -607,7 +607,9 @@ void tst_QScriptClass::newInstance()
QVERIFY(arr.isArray());
QCOMPARE(arr.scriptClass(), (QScriptClass*)0);
arr.setScriptClass(&cls);
+ QEXPECT_FAIL("", "Changing class of arbitrary script object is not allowed (it's OK)", Continue);
QCOMPARE(arr.scriptClass(), (QScriptClass*)&cls);
+ QEXPECT_FAIL("", "Changing class of arbitrary script object is not allowed (it's OK)", Continue);
QVERIFY(!arr.isArray());
QVERIFY(arr.isObject());
}