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-rw-r--r--WebCore/bindings/v8/V8DOMWrapper.h141
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diff --git a/WebCore/bindings/v8/V8DOMWrapper.h b/WebCore/bindings/v8/V8DOMWrapper.h
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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 "Event.h"
-#include "IsolatedWorld.h"
-#include "Node.h"
-#include "NodeFilter.h"
-#include "PlatformString.h"
-#include "V8CustomXPathNSResolver.h"
-#include "V8Event.h"
-#include "V8Utilities.h"
-#include "V8XPathNSResolver.h"
-#include "WrapperTypeInfo.h"
-#include "XPathNSResolver.h"
-#include <v8.h>
-
-namespace WebCore {
-
- class DOMWindow;
- class EventTarget;
- class Frame;
- class Node;
- class V8Proxy;
- 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, 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);
-
-#if ENABLE(XPATH)
- // XPath-related utilities
- static RefPtr<XPathNSResolver> getXPathNSResolver(v8::Handle<v8::Value> value, V8Proxy* proxy = 0);
-#endif
-
- // Wrap JS node filter in C++.
- static PassRefPtr<NodeFilter> wrapNativeNodeFilter(v8::Handle<v8::Value>);
-
- static v8::Local<v8::Function> getConstructorForContext(WrapperTypeInfo*, v8::Handle<v8::Context>);
- static v8::Local<v8::Function> getConstructor(WrapperTypeInfo*, v8::Handle<v8::Value> objectPrototype);
- static v8::Local<v8::Function> getConstructor(WrapperTypeInfo*, DOMWindow*);
-#if ENABLE(WORKERS)
- static v8::Local<v8::Function> getConstructor(WrapperTypeInfo*, WorkerContext*);
-#endif
-
- // 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>);
-
- static bool isValidDOMObject(v8::Handle<v8::Value>);
-
- // Check whether a V8 value is a wrapper of type |classType|.
- static bool isWrapperOfType(v8::Handle<v8::Value>, WrapperTypeInfo*);
-
- static void setHiddenReference(v8::Handle<v8::Object> parent, v8::Handle<v8::Value> child);
-
- // Set hidden references in a DOMWindow object of a frame.
- static void setHiddenWindowReference(Frame*, v8::Handle<v8::Value>);
-
- static v8::Local<v8::Object> instantiateV8Object(V8Proxy* proxy, WrapperTypeInfo*, void* impl);
-
- static v8::Handle<v8::Object> getWrapper(Node* node)
- {
- ASSERT(WTF::isMainThread());
- if (LIKELY(!IsolatedWorld::count())) {
- v8::Persistent<v8::Object>* wrapper = node->wrapper();
- if (wrapper)
- return *wrapper;
- }
- return getWrapperSlow(node);
- }
-
- private:
- static v8::Handle<v8::Object> getWrapperSlow(Node*);
- };
-
-}
-
-#endif // V8DOMWrapper_h