JSDOMGlobalObject.h [plain text]
#ifndef JSDOMGlobalObject_h
#define JSDOMGlobalObject_h
#include "PlatformExportMacros.h"
#include <runtime/JSGlobalObject.h>
#include <runtime/Operations.h>
namespace WebCore {
class Document;
class Event;
class DOMWrapperWorld;
class JSLazyEventListener;
class JSEventListener;
class ScriptExecutionContext;
typedef HashMap<const JSC::ClassInfo*, JSC::WriteBarrier<JSC::Structure> > JSDOMStructureMap;
typedef HashMap<const JSC::ClassInfo*, JSC::WriteBarrier<JSC::JSObject> > JSDOMConstructorMap;
class JSDOMGlobalObject : public JSC::JSGlobalObject {
typedef JSC::JSGlobalObject Base;
protected:
struct JSDOMGlobalObjectData;
JSDOMGlobalObject(JSC::VM&, JSC::Structure*, PassRefPtr<DOMWrapperWorld>, const JSC::GlobalObjectMethodTable* = 0);
static void destroy(JSC::JSCell*);
void finishCreation(JSC::VM&);
void finishCreation(JSC::VM&, JSC::JSObject*);
public:
JSDOMStructureMap& structures() { return m_structures; }
JSDOMConstructorMap& constructors() { return m_constructors; }
ScriptExecutionContext* scriptExecutionContext() const;
JSDOMGlobalObject* globalObject() { return this; }
void setCurrentEvent(Event*);
Event* currentEvent() const;
static void visitChildren(JSC::JSCell*, JSC::SlotVisitor&);
DOMWrapperWorld* world() { return m_world.get(); }
static WEBKIT_EXPORTDATA const JSC::ClassInfo s_info;
static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSValue prototype)
{
return JSC::Structure::create(vm, 0, prototype, JSC::TypeInfo(JSC::GlobalObjectType, StructureFlags), &s_info);
}
protected:
JSDOMStructureMap m_structures;
JSDOMConstructorMap m_constructors;
Event* m_currentEvent;
RefPtr<DOMWrapperWorld> m_world;
};
template<class ConstructorClass>
inline JSC::JSObject* getDOMConstructor(JSC::ExecState* exec, const JSDOMGlobalObject* globalObject)
{
if (JSC::JSObject* constructor = const_cast<JSDOMGlobalObject*>(globalObject)->constructors().get(&ConstructorClass::s_info).get())
return constructor;
JSC::JSObject* constructor = ConstructorClass::create(exec, ConstructorClass::createStructure(exec->vm(), const_cast<JSDOMGlobalObject*>(globalObject), globalObject->objectPrototype()), const_cast<JSDOMGlobalObject*>(globalObject));
ASSERT(!const_cast<JSDOMGlobalObject*>(globalObject)->constructors().contains(&ConstructorClass::s_info));
JSC::WriteBarrier<JSC::JSObject> temp;
const_cast<JSDOMGlobalObject*>(globalObject)->constructors().add(&ConstructorClass::s_info, temp).iterator->value.set(exec->vm(), globalObject, constructor);
return constructor;
}
JSDOMGlobalObject* toJSDOMGlobalObject(Document*, JSC::ExecState*);
JSDOMGlobalObject* toJSDOMGlobalObject(ScriptExecutionContext*, JSC::ExecState*);
JSDOMGlobalObject* toJSDOMGlobalObject(Document*, DOMWrapperWorld*);
JSDOMGlobalObject* toJSDOMGlobalObject(ScriptExecutionContext*, DOMWrapperWorld*);
}
#endif // JSDOMGlobalObject_h