diff options
Diffstat (limited to 'src/script/bridge/qscriptqobject_p.h')
| -rw-r--r-- | src/script/bridge/qscriptqobject_p.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/script/bridge/qscriptqobject_p.h b/src/script/bridge/qscriptqobject_p.h index 837368e..c6ebc8a 100644 --- a/src/script/bridge/qscriptqobject_p.h +++ b/src/script/bridge/qscriptqobject_p.h @@ -95,6 +95,7 @@ public: inline QObject *value() const { return data->value; } inline void setValue(QObject* value) { data->value = value; } + inline bool hasParent() const { return data->value && data->value->parent(); } inline QScriptEngine::ValueOwnership ownership() const { return data->ownership; } @@ -138,6 +139,25 @@ struct QObjectWrapperInfo QScriptObject *object; QScriptEngine::ValueOwnership ownership; QScriptEngine::QObjectWrapOptions options; + + // Returns true if this wrapper can be garbage-collected when there are no + // other references to it in the JS environment (weak reference), otherwise + // returns false (should not be collected). + bool isCollectableWhenWeaklyReferenced() const + { + switch (ownership) { + case QScriptEngine::ScriptOwnership: + return true; + case QScriptEngine::AutoOwnership: { + QScriptObjectDelegate *delegate = object->delegate(); + Q_ASSERT(delegate && (delegate->type() == QScriptObjectDelegate::QtObject)); + return !static_cast<QObjectDelegate *>(delegate)->hasParent(); + } + default: + break; + } + return false; + } }; class QObjectData // : public QObjectUserData |