JSDOMGlobalObject.h [plain text]
#ifndef JSDOMGlobalObject_h
#define JSDOMGlobalObject_h
#include "PlatformExportMacros.h"
#include "WebCoreJSBuiltinInternals.h"
#include <runtime/JSGlobalObject.h>
#include <runtime/StructureInlines.h>
namespace WebCore {
class Document;
class Event;
class DOMWrapperWorld;
class ScriptExecutionContext;
typedef HashMap<const JSC::ClassInfo*, JSC::WriteBarrier<JSC::Structure>> JSDOMStructureMap;
typedef HashMap<const JSC::ClassInfo*, JSC::WriteBarrier<JSC::JSObject>> JSDOMConstructorMap;
class WEBCORE_EXPORT JSDOMGlobalObject : public JSC::JSGlobalObject {
typedef JSC::JSGlobalObject Base;
protected:
struct JSDOMGlobalObjectData;
JSDOMGlobalObject(JSC::VM&, JSC::Structure*, Ref<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(); }
bool worldIsNormal() const { return m_worldIsNormal; }
JSBuiltinInternalFunctions& builtinInternalFunctions() { return m_builtinInternalFunctions; }
protected:
static const JSC::ClassInfo s_info;
public:
static const JSC::ClassInfo* info() { return &s_info; }
static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSValue prototype)
{
return JSC::Structure::create(vm, 0, prototype, JSC::TypeInfo(JSC::GlobalObjectType, StructureFlags), info());
}
protected:
JSDOMStructureMap m_structures;
JSDOMConstructorMap m_constructors;
Event* m_currentEvent;
Ref<DOMWrapperWorld> m_world;
bool m_worldIsNormal;
private:
void addBuiltinGlobals(JSC::VM&);
friend void JSBuiltinInternalFunctions::initialize(JSDOMGlobalObject&);
JSBuiltinInternalFunctions m_builtinInternalFunctions;
};
template<class ConstructorClass>
inline JSC::JSObject* getDOMConstructor(JSC::VM& vm, const JSDOMGlobalObject& globalObject)
{
if (JSC::JSObject* constructor = const_cast<JSDOMGlobalObject&>(globalObject).constructors().get(ConstructorClass::info()).get())
return constructor;
JSC::JSObject* constructor = ConstructorClass::create(vm, ConstructorClass::createStructure(vm, const_cast<JSDOMGlobalObject&>(globalObject), ConstructorClass::prototypeForStructure(vm, globalObject)), const_cast<JSDOMGlobalObject&>(globalObject));
ASSERT(!const_cast<JSDOMGlobalObject&>(globalObject).constructors().contains(ConstructorClass::info()));
JSC::WriteBarrier<JSC::JSObject> temp;
const_cast<JSDOMGlobalObject&>(globalObject).constructors().add(ConstructorClass::info(), temp).iterator->value.set(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