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/*
* Copyright (C) 2009 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef V8DOMWrapper_h
#define V8DOMWrapper_h
#include "Document.h"
#include "Event.h"
#include "Node.h"
#include "NodeFilter.h"
#include "PlatformString.h" // for WebCore::String
#include "V8CustomXPathNSResolver.h"
#include "V8DOMMap.h"
#include "V8Event.h"
#include "V8Index.h"
#include "V8Utilities.h"
#include "V8XPathNSResolver.h"
#include "XPathNSResolver.h"
#include <v8.h>
namespace WebCore {
// FIXME: This probably aren't all needed.
class CSSRule;
class CSSRuleList;
class CSSStyleDeclaration;
class CSSValue;
class CSSValueList;
class ClientRectList;
class DOMImplementation;
class DOMWindow;
class Document;
class Element;
class Event;
class EventListener;
class EventTarget;
class Frame;
class HTMLCollection;
class HTMLDocument;
class HTMLElement;
class HTMLOptionsCollection;
class MediaList;
class MimeType;
class MimeTypeArray;
class NamedNodeMap;
class Navigator;
class Node;
class NodeFilter;
class NodeList;
class Plugin;
class PluginArray;
class SVGElement;
#if ENABLE(SVG)
class SVGElementInstance;
#endif
class Screen;
class ScriptExecutionContext;
#if ENABLE(DOM_STORAGE)
class Storage;
class StorageEvent;
#endif
class String;
class StyleSheet;
class StyleSheetList;
class V8EventListener;
class V8ObjectEventListener;
class V8Proxy;
#if ENABLE(WEB_SOCKETS)
class WebSocket;
#endif
class WorkerContext;
enum ListenerLookupType {
ListenerFindOnly,
ListenerFindOrCreate,
};
class V8DOMWrapper {
public:
#ifndef NDEBUG
// Checks if a v8 value can be a DOM wrapper
static bool maybeDOMWrapper(v8::Handle<v8::Value>);
#endif
// Sets contents of a DOM wrapper.
static void setDOMWrapper(v8::Handle<v8::Object> object, int type, void* cptr)
{
ASSERT(object->InternalFieldCount() >= 2);
object->SetPointerInInternalField(v8DOMWrapperObjectIndex, cptr);
object->SetInternalField(v8DOMWrapperTypeIndex, v8::Integer::New(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 V8ClassIndex::V8WrapperType 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(Node* node, v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
static PassRefPtr<EventListener> getEventListener(SVGElementInstance* element, v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
static PassRefPtr<EventListener> getEventListener(AbstractWorker* worker, v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
#if ENABLE(NOTIFICATIONS)
static PassRefPtr<EventListener> getEventListener(Notification* notification, v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
#endif
static PassRefPtr<EventListener> getEventListener(WorkerContext* workerContext, v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
static PassRefPtr<EventListener> getEventListener(XMLHttpRequestUpload* upload, v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
#if ENABLE(EVENTSOURCE)
static PassRefPtr<EventListener> getEventListener(EventSource* eventTarget, v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
#endif
static PassRefPtr<EventListener> getEventListener(EventTarget* eventTarget, v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
static PassRefPtr<EventListener> getEventListener(V8Proxy* proxy, v8::Local<v8::Value> value, bool isAttribute, ListenerLookupType lookup);
#if ENABLE(XPATH)
// XPath-related utilities
static RefPtr<XPathNSResolver> getXPathNSResolver(v8::Handle<v8::Value> value, V8Proxy* proxy = 0)
{
RefPtr<XPathNSResolver> resolver;
if (V8XPathNSResolver::HasInstance(value))
resolver = V8XPathNSResolver::toNative(v8::Handle<v8::Object>::Cast(value));
else if (value->IsObject())
resolver = V8CustomXPathNSResolver::create(proxy, value->ToObject());
return resolver;
}
#endif
// Wrap JS node filter in C++.
static PassRefPtr<NodeFilter> wrapNativeNodeFilter(v8::Handle<v8::Value>);
static v8::Local<v8::Function> getConstructorForContext(V8ClassIndex::V8WrapperType, v8::Handle<v8::Context>);
static v8::Local<v8::Function> getConstructor(V8ClassIndex::V8WrapperType, v8::Handle<v8::Value> objectPrototype);
static v8::Local<v8::Function> getConstructor(V8ClassIndex::V8WrapperType, DOMWindow*);
static v8::Local<v8::Function> getConstructor(V8ClassIndex::V8WrapperType, WorkerContext*);
// Set JS wrapper of a DOM object, the caller in charge of increase ref.
static void setJSWrapperForDOMObject(void*, v8::Persistent<v8::Object>);
static void setJSWrapperForActiveDOMObject(void*, v8::Persistent<v8::Object>);
static void setJSWrapperForDOMNode(Node*, v8::Persistent<v8::Object>);
// Check whether a V8 value is a wrapper of type |classType|.
static bool isWrapperOfType(v8::Handle<v8::Value>, V8ClassIndex::V8WrapperType);
#if ENABLE(3D_CANVAS)
static void setIndexedPropertiesToExternalArray(v8::Handle<v8::Object>,
int,
void*,
int);
#endif
// Set hidden references in a DOMWindow object of a frame.
static void setHiddenWindowReference(Frame*, const int internalIndex, v8::Handle<v8::Object>);
static v8::Local<v8::Object> instantiateV8Object(V8Proxy* proxy, V8ClassIndex::V8WrapperType type, void* impl);
static v8::Handle<v8::Object> getWrapper(Node*);
};
}
#endif // V8DOMWrapper_h
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