third_party/blink/renderer/core/exported/web_array_buffer_converter.cc

/*
 * Copyright (C) 2014 Google Inc. All rights reserved.
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 * 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
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 * 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,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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#include "third_party/blink/public/web/web_array_buffer_converter.h"

#include "third_party/blink/renderer/bindings/core/v8/v8_array_buffer.h"

namespace blink {

v8::Local<v8::Value> WebArrayBufferConverter::ToV8Value(
    WebArrayBuffer* buffer,
    v8::Local<v8::Object> creation_context,
    v8::Isolate* isolate) {
  // We no longer use |creationContext| because it's often misused and points
  // to a context faked by user script.
  DCHECK(creation_context->CreationContext() == isolate->GetCurrentContext());
  if (!buffer)
    return v8::Local<v8::Value>();
  return ToV8(*buffer, isolate->GetCurrentContext()->Global(), isolate);
}

WebArrayBuffer* WebArrayBufferConverter::CreateFromV8Value(
    v8::Local<v8::Value> value,
    v8::Isolate*) {
  if (!value->IsArrayBuffer())
    return nullptr;
  return new WebArrayBuffer(V8ArrayBuffer::ToImpl(value.As<v8::Object>()));
}

}  // namespace blink