gecko-dev/dom/encoding/TextEncoder.h

81 строка
1.9 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_textencoder_h_
#define mozilla_dom_textencoder_h_
#include "mozilla/dom/TextEncoderBase.h"
#include "mozilla/dom/TextEncoderBinding.h"
namespace mozilla {
namespace dom {
class TextEncoder MOZ_FINAL
: public nsWrapperCache, public TextEncoderBase
{
public:
NS_INLINE_DECL_CYCLE_COLLECTING_NATIVE_REFCOUNTING(TextEncoder)
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_NATIVE_CLASS(TextEncoder)
// The WebIDL constructor.
static already_AddRefed<TextEncoder>
Constructor(const GlobalObject& aGlobal,
const nsAString& aEncoding,
ErrorResult& aRv)
{
nsRefPtr<TextEncoder> txtEncoder = new TextEncoder(aGlobal.Get());
txtEncoder->Init(aEncoding, aRv);
if (aRv.Failed()) {
return nullptr;
}
return txtEncoder.forget();
}
TextEncoder(nsISupports* aGlobal)
: mGlobal(aGlobal)
{
MOZ_ASSERT(aGlobal);
SetIsDOMBinding();
}
virtual
~TextEncoder()
{}
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aScope) MOZ_OVERRIDE
{
return TextEncoderBinding::Wrap(aCx, aScope, this);
}
nsISupports*
GetParentObject()
{
return mGlobal;
}
JSObject* Encode(JSContext* aCx,
const nsAString& aString,
const TextEncodeOptions& aOptions,
ErrorResult& aRv) {
return TextEncoderBase::Encode(aCx, aString, aOptions.mStream, aRv);
}
protected:
virtual JSObject*
CreateUint8Array(JSContext* aCx, char* aBuf, uint32_t aLen) MOZ_OVERRIDE
{
return Uint8Array::Create(aCx, this, aLen,
reinterpret_cast<uint8_t*>(aBuf));
}
private:
nsCOMPtr<nsISupports> mGlobal;
};
} // dom
} // mozilla
#endif // mozilla_dom_textencoder_h_