| /* |
| * 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 "DOMDataStore.h" |
| #include "DOMWrapperWorld.h" |
| #include "Event.h" |
| #include "Node.h" |
| #include "V8CustomXPathNSResolver.h" |
| #include "V8DOMWindowShell.h" |
| #include "V8Utilities.h" |
| #include "WrapperTypeInfo.h" |
| #include <v8.h> |
| #include <wtf/MainThread.h> |
| #include <wtf/PassRefPtr.h> |
| #include <wtf/text/WTFString.h> |
| |
| namespace WebCore { |
| |
| class V8DOMWrapper { |
| public: |
| #ifndef NDEBUG |
| // Checks if a v8 value can be a DOM wrapper |
| static bool maybeDOMWrapper(v8::Handle<v8::Value>); |
| #endif |
| |
| static v8::Local<v8::Object> createWrapper(v8::Handle<v8::Object> creationContext, WrapperTypeInfo*, void*, v8::Isolate*); |
| |
| template<typename T> |
| static inline v8::Handle<v8::Object> associateObjectWithWrapper(PassRefPtr<T>, WrapperTypeInfo*, v8::Handle<v8::Object>, v8::Isolate*, WrapperConfiguration::Lifetime); |
| static inline void setNativeInfo(v8::Handle<v8::Object>, WrapperTypeInfo*, void*); |
| static inline void clearNativeInfo(v8::Handle<v8::Object>, WrapperTypeInfo*); |
| |
| static bool isDOMWrapper(v8::Handle<v8::Value>); |
| static bool isWrapperOfType(v8::Handle<v8::Value>, WrapperTypeInfo*); |
| |
| #if ENABLE(CUSTOM_ELEMENTS) |
| // Used for V8WrapAsFunction, which is used only by CUSTOM_ELEMENTS |
| static v8::Handle<v8::Function> toFunction(v8::Handle<v8::Value>); |
| static v8::Handle<v8::Function> toFunction(v8::Handle<v8::Object>, const AtomicString& name, v8::Isolate*); |
| static v8::Handle<v8::Object> fromFunction(v8::Handle<v8::Object>); |
| #endif // ENABLE(CUSTOM_ELEMENTS) |
| }; |
| |
| inline void V8DOMWrapper::setNativeInfo(v8::Handle<v8::Object> wrapper, WrapperTypeInfo* type, void* object) |
| { |
| ASSERT(wrapper->InternalFieldCount() >= 2); |
| ASSERT(object); |
| ASSERT(type); |
| wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, object); |
| wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, type); |
| } |
| |
| inline void V8DOMWrapper::clearNativeInfo(v8::Handle<v8::Object> wrapper, WrapperTypeInfo* type) |
| { |
| ASSERT(wrapper->InternalFieldCount() >= 2); |
| ASSERT(type); |
| wrapper->SetAlignedPointerInInternalField(v8DOMWrapperTypeIndex, type); |
| wrapper->SetAlignedPointerInInternalField(v8DOMWrapperObjectIndex, 0); |
| } |
| |
| template<typename T> |
| inline v8::Handle<v8::Object> V8DOMWrapper::associateObjectWithWrapper(PassRefPtr<T> object, WrapperTypeInfo* type, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate, WrapperConfiguration::Lifetime lifetime) |
| { |
| setNativeInfo(wrapper, type, object.get()); |
| ASSERT(maybeDOMWrapper(wrapper)); |
| WrapperConfiguration configuration = buildWrapperConfiguration(object.get(), lifetime); |
| DOMDataStore::setWrapper(object.leakRef(), wrapper, isolate, configuration); |
| return wrapper; |
| } |
| |
| } |
| |
| #endif // V8DOMWrapper_h |