#ifndef V8DOMWrapper_h
#define V8DOMWrapper_h
#include "DOMDataStore.h"
#include "Event.h"
#include "IsolatedWorld.h"
#include "Node.h"
#include "NodeFilter.h"
#include "PlatformString.h"
#include "V8CustomXPathNSResolver.h"
#include "V8DOMMap.h"
#include "V8Event.h"
#include "V8IsolatedContext.h"
#include "V8Utilities.h"
#include "V8XPathNSResolver.h"
#include "WrapperTypeInfo.h"
#include "XPathNSResolver.h"
#include <v8.h>
#include <wtf/MainThread.h>
#include <wtf/PassRefPtr.h>
namespace WebCore {
class DOMWindow;
class EventTarget;
class Frame;
class Node;
class V8BindingPerContextData;
class V8Proxy;
class WorkerContext;
enum ListenerLookupType {
ListenerFindOnly,
ListenerFindOrCreate,
};
class V8DOMWrapper {
public:
#ifndef NDEBUG
static bool maybeDOMWrapper(v8::Handle<v8::Value>);
#endif
static void setDOMWrapper(v8::Handle<v8::Object> object, WrapperTypeInfo* type, void* cptr)
{
ASSERT(object->InternalFieldCount() >= 2);
object->SetPointerInInternalField(v8DOMWrapperObjectIndex, cptr);
object->SetPointerInInternalField(v8DOMWrapperTypeIndex, type);
}
static v8::Handle<v8::Object> lookupDOMWrapper(v8::Handle<v8::FunctionTemplate> functionTemplate, v8::Handle<v8::Object> object)
{
return object.IsEmpty() ? object : object->FindInstanceInPrototypeChain(functionTemplate);
}
static WrapperTypeInfo* domWrapperType(v8::Handle<v8::Object>);
static v8::Handle<v8::Value> convertEventTargetToV8Object(PassRefPtr<EventTarget> eventTarget)
{
return convertEventTargetToV8Object(eventTarget.get());
}
static v8::Handle<v8::Value> convertEventTargetToV8Object(EventTarget*);
static PassRefPtr<EventListener> getEventListener(v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
static RefPtr<XPathNSResolver> getXPathNSResolver(v8::Handle<v8::Value> value, V8Proxy* proxy = 0);
static PassRefPtr<NodeFilter> wrapNativeNodeFilter(v8::Handle<v8::Value>);
static v8::Local<v8::Function> constructorForType(WrapperTypeInfo*, DOMWindow*);
#if ENABLE(WORKERS)
static v8::Local<v8::Function> constructorForType(WrapperTypeInfo*, WorkerContext*);
#endif
template<typename T> static void setJSWrapperForDOMObject(PassRefPtr<T>, v8::Persistent<v8::Object>, v8::Isolate* = 0);
template<typename T> static void setJSWrapperForActiveDOMObject(PassRefPtr<T>, v8::Persistent<v8::Object>, v8::Isolate* = 0);
static void setJSWrapperForDOMNode(PassRefPtr<Node>, v8::Persistent<v8::Object>, v8::Isolate* = 0);
static void setJSWrapperForActiveDOMNode(PassRefPtr<Node>, v8::Persistent<v8::Object>, v8::Isolate* = 0);
static bool isValidDOMObject(v8::Handle<v8::Value>);
static bool isWrapperOfType(v8::Handle<v8::Value>, WrapperTypeInfo*);
static void setNamedHiddenReference(v8::Handle<v8::Object> parent, const char* name, v8::Handle<v8::Value> child);
static void setNamedHiddenWindowReference(Frame*, const char*, v8::Handle<v8::Value>);
static v8::Local<v8::Object> instantiateV8Object(V8Proxy* proxy, WrapperTypeInfo*, void* impl);
static v8::Handle<v8::Object> getCachedWrapper(Node* node)
{
ASSERT(isMainThread());
if (LIKELY(!IsolatedWorld::count())) {
v8::Persistent<v8::Object>* wrapper = node->wrapper();
if (LIKELY(!!wrapper))
return *wrapper;
}
V8IsolatedContext* context = V8IsolatedContext::getEntered();
if (LIKELY(!context)) {
v8::Persistent<v8::Object>* wrapper = node->wrapper();
if (!wrapper)
return v8::Handle<v8::Object>();
return *wrapper;
}
DOMDataStore* store = context->world()->domDataStore();
DOMNodeMapping& domNodeMap = node->isActiveNode() ? store->activeDomNodeMap() : store->domNodeMap();
return domNodeMap.get(node);
}
private:
static V8BindingPerContextData* perContextData(V8Proxy*);
#if ENABLE(WORKERS)
static V8BindingPerContextData* perContextData(WorkerContext*);
#endif
};
template<typename T>
void V8DOMWrapper::setJSWrapperForDOMObject(PassRefPtr<T> object, v8::Persistent<v8::Object> wrapper, v8::Isolate* isolate)
{
ASSERT(maybeDOMWrapper(wrapper));
ASSERT(!domWrapperType(wrapper)->toActiveDOMObjectFunction);
getDOMObjectMap(isolate).set(object.leakRef(), wrapper);
}
template<typename T>
void V8DOMWrapper::setJSWrapperForActiveDOMObject(PassRefPtr<T> object, v8::Persistent<v8::Object> wrapper, v8::Isolate* isolate)
{
ASSERT(maybeDOMWrapper(wrapper));
ASSERT(domWrapperType(wrapper)->toActiveDOMObjectFunction);
getActiveDOMObjectMap(isolate).set(object.leakRef(), wrapper);
}
}
#endif // V8DOMWrapper_h