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/*
* Copyright (C) 2010 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:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS 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 APPLE OR ITS 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 "DataView.h"
#include "V8ArrayBufferViewCustom.h"
#include "V8Binding.h"
#include "V8BindingMacros.h"
#include "V8DataView.h"
#include "V8Proxy.h"
namespace WebCore {
v8::Handle<v8::Value> V8DataView::constructorCallback(const v8::Arguments& args)
{
INC_STATS("DOM.DataView.Constructor");
if (!args.IsConstructCall())
return V8Proxy::throwTypeError("DOM object constructor cannot be called as a function", args.GetIsolate());
if (ConstructorMode::current() == ConstructorMode::WrapExistingObject)
return args.Holder();
if (!args.Length()) {
// see constructWebGLArray -- we don't seem to be able to distingish between
// 'new DataView()' and the call used to construct the cached DataView object.
RefPtr<DataView> dataView = DataView::create(0);
V8DOMWrapper::setDOMWrapper(args.Holder(), &info, dataView.get());
V8DOMWrapper::setJSWrapperForDOMObject(dataView.release(), v8::Persistent<v8::Object>::New(args.Holder()));
return args.Holder();
}
if (args[0]->IsNull() || !V8ArrayBuffer::HasInstance(args[0]))
return V8Proxy::throwTypeError(0, args.GetIsolate());
return constructWebGLArrayWithArrayBufferArgument<DataView, char>(args, &info, v8::kExternalByteArray, false);
}
v8::Handle<v8::Value> toV8(DataView* impl, v8::Isolate* isolate)
{
if (!impl)
return v8::Null();
return V8DataView::wrap(impl, isolate);
}
v8::Handle<v8::Value> V8DataView::getInt8Callback(const v8::Arguments& args)
{
INC_STATS("DOM.DataView.getInt8");
if (args.Length() < 1)
return V8Proxy::throwNotEnoughArgumentsError(args.GetIsolate());
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
EXCEPTION_BLOCK(unsigned, byteOffset, toUInt32(args[0]));
int8_t result = imp->getInt8(byteOffset, ec);
if (UNLIKELY(ec))
return V8Proxy::setDOMException(ec, args.GetIsolate());
return v8::Integer::New(result);
}
v8::Handle<v8::Value> V8DataView::getUint8Callback(const v8::Arguments& args)
{
INC_STATS("DOM.DataView.getUint8");
if (args.Length() < 1)
return V8Proxy::throwNotEnoughArgumentsError(args.GetIsolate());
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
EXCEPTION_BLOCK(unsigned, byteOffset, toUInt32(args[0]));
uint8_t result = imp->getUint8(byteOffset, ec);
if (UNLIKELY(ec))
return V8Proxy::setDOMException(ec, args.GetIsolate());
return v8::Integer::New(result);
}
v8::Handle<v8::Value> V8DataView::setInt8Callback(const v8::Arguments& args)
{
INC_STATS("DOM.DataView.setInt8");
if (args.Length() < 2)
return V8Proxy::throwNotEnoughArgumentsError(args.GetIsolate());
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
EXCEPTION_BLOCK(unsigned, byteOffset, toUInt32(args[0]));
EXCEPTION_BLOCK(int, value, toInt32(args[1]));
imp->setInt8(byteOffset, static_cast<int8_t>(value), ec);
if (UNLIKELY(ec))
return V8Proxy::setDOMException(ec, args.GetIsolate());
return v8::Handle<v8::Value>();
}
v8::Handle<v8::Value> V8DataView::setUint8Callback(const v8::Arguments& args)
{
INC_STATS("DOM.DataView.setUint8");
if (args.Length() < 2)
return V8Proxy::throwNotEnoughArgumentsError(args.GetIsolate());
DataView* imp = V8DataView::toNative(args.Holder());
ExceptionCode ec = 0;
EXCEPTION_BLOCK(unsigned, byteOffset, toUInt32(args[0]));
EXCEPTION_BLOCK(int, value, toInt32(args[1]));
imp->setUint8(byteOffset, static_cast<uint8_t>(value), ec);
if (UNLIKELY(ec))
return V8Proxy::setDOMException(ec, args.GetIsolate());
return v8::Handle<v8::Value>();
}
} // namespace WebCore
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