| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "config.h" |
| #include "core/dom/DOMDataView.h" |
| |
| #include "bindings/core/v8/DOMDataStore.h" |
| #include "bindings/core/v8/V8ArrayBuffer.h" |
| #include "bindings/core/v8/V8DOMWrapper.h" |
| |
| namespace blink { |
| |
| PassRefPtr<DOMDataView> DOMDataView::create(PassRefPtr<DOMArrayBuffer> prpBuffer, unsigned byteOffset, unsigned byteLength) |
| { |
| RefPtr<DOMArrayBuffer> buffer = prpBuffer; |
| return adoptRef(new DOMDataView(DataView::create(buffer->buffer(), byteOffset, byteLength), buffer)); |
| } |
| |
| v8::Handle<v8::Object> DOMDataView::wrap(v8::Handle<v8::Object> creationContext, v8::Isolate* isolate) |
| { |
| // It's possible that no one except for the new wrapper owns this object at |
| // this moment, so we have to prevent GC to collect this object until the |
| // object gets associated with the wrapper. |
| RefPtr<DOMDataView> protect(this); |
| |
| ASSERT(!DOMDataStore::containsWrapper(this, isolate)); |
| |
| const WrapperTypeInfo* wrapperTypeInfo = this->wrapperTypeInfo(); |
| v8::Local<v8::Value> v8Buffer = toV8(buffer(), creationContext, isolate); |
| ASSERT(v8Buffer->IsArrayBuffer()); |
| |
| v8::Handle<v8::Object> wrapper = v8::DataView::New(v8Buffer.As<v8::ArrayBuffer>(), byteOffset(), byteLength()); |
| |
| return associateWithWrapper(wrapperTypeInfo, wrapper, isolate); |
| } |
| |
| v8::Handle<v8::Object> DOMDataView::associateWithWrapper(const WrapperTypeInfo* wrapperTypeInfo, v8::Handle<v8::Object> wrapper, v8::Isolate* isolate) |
| { |
| return V8DOMWrapper::associateObjectWithWrapper(isolate, this, wrapperTypeInfo, wrapper); |
| } |
| |
| } // namespace blink |