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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.
*/
#include "config.h"
#include "bindings/v8/custom/V8ArrayBufferCustom.h"
#include "bindings/v8/ScriptPromiseResolver.h"
#include "bindings/v8/V8Binding.h"
#include "wtf/ArrayBuffer.h"
#include "wtf/StdLibExtras.h"
namespace WebCore {
using namespace WTF;
V8ArrayBufferDeallocationObserver* V8ArrayBufferDeallocationObserver::instanceTemplate()
{
DEFINE_STATIC_LOCAL(V8ArrayBufferDeallocationObserver, deallocationObserver, ());
return &deallocationObserver;
}
const WrapperTypeInfo V8ArrayBuffer::wrapperTypeInfo = {
gin::kEmbedderBlink,
0, V8ArrayBuffer::derefObject,
0, 0, 0, 0, 0, WrapperTypeObjectPrototype
};
bool V8ArrayBuffer::hasInstance(v8::Handle<v8::Value> value, v8::Isolate*, WrapperWorldType)
{
return value->IsArrayBuffer();
}
bool V8ArrayBuffer::hasInstanceInAnyWorld(v8::Handle<v8::Value> value, v8::Isolate*)
{
return value->IsArrayBuffer();
}
void V8ArrayBuffer::derefObject(void* object)
{
static_cast<ArrayBuffer*>(object)->deref();
}
v8::Handle<v8::Object> V8ArrayBuffer::createWrapper(PassRefPtr<ArrayBuffer> impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
ASSERT(impl.get());
ASSERT(!DOMDataStore::containsWrapper<V8ArrayBuffer>(impl.get(), isolate));
v8::Handle<v8::Object> wrapper = v8::ArrayBuffer::New(isolate, impl->data(), impl->byteLength());
impl->setDeallocationObserver(V8ArrayBufferDeallocationObserver::instanceTemplate());
V8DOMWrapper::associateObjectWithWrapper<V8ArrayBuffer>(impl, &wrapperTypeInfo, wrapper, isolate, WrapperConfiguration::Independent);
return wrapper;
}
ArrayBuffer* V8ArrayBuffer::toNative(v8::Handle<v8::Object> object)
{
ASSERT(object->IsArrayBuffer());
void* arraybufferPtr = object->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex);
if (arraybufferPtr)
return reinterpret_cast<ArrayBuffer*>(arraybufferPtr);
v8::Local<v8::ArrayBuffer> v8buffer = object.As<v8::ArrayBuffer>();
ASSERT(!v8buffer->IsExternal());
v8::ArrayBuffer::Contents v8Contents = v8buffer->Externalize();
ArrayBufferContents contents(v8Contents.Data(), v8Contents.ByteLength(),
V8ArrayBufferDeallocationObserver::instanceTemplate());
RefPtr<ArrayBuffer> buffer = ArrayBuffer::create(contents);
V8DOMWrapper::associateObjectWithWrapper<V8ArrayBuffer>(buffer.release(), &wrapperTypeInfo, object, v8::Isolate::GetCurrent(), WrapperConfiguration::Dependent);
arraybufferPtr = object->GetAlignedPointerFromInternalField(v8DOMWrapperObjectIndex);
ASSERT(arraybufferPtr);
return reinterpret_cast<ArrayBuffer*>(arraybufferPtr);
}
template<>
v8::Handle<v8::Value> toV8NoInline(ArrayBuffer* impl, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
{
return toV8(impl, creationContext, isolate);
}
} // namespace WebCore
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