gecko/dom/encoding/TextDecoder.h

82 lines
2.0 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_textdecoder_h_
#define mozilla_dom_textdecoder_h_
#include "mozilla/dom/TextDecoderBase.h"
#include "mozilla/dom/TextDecoderBinding.h"
namespace mozilla {
namespace dom {
class TextDecoder MOZ_FINAL
: public nsISupports, public nsWrapperCache, public TextDecoderBase
{
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(TextDecoder)
// The WebIDL constructor.
static already_AddRefed<TextDecoder>
Constructor(nsISupports* aGlobal,
const nsAString& aEncoding,
const TextDecoderOptions& aOptions,
ErrorResult& aRv)
{
nsRefPtr<TextDecoder> txtDecoder = new TextDecoder(aGlobal);
txtDecoder->Init(aEncoding, aOptions.mFatal, aRv);
if (aRv.Failed()) {
return nullptr;
}
return txtDecoder.forget();
}
TextDecoder(nsISupports* aGlobal)
: mGlobal(aGlobal)
{
MOZ_ASSERT(aGlobal);
SetIsDOMBinding();
}
virtual
~TextDecoder()
{}
virtual JSObject*
WrapObject(JSContext* aCx, JSObject* aScope, bool* aTriedToWrap) MOZ_OVERRIDE
{
return TextDecoderBinding::Wrap(aCx, aScope, this, aTriedToWrap);
}
nsISupports*
GetParentObject()
{
return mGlobal;
}
void Decode(nsAString& aOutDecodedString,
ErrorResult& aRv) {
TextDecoderBase::Decode(nullptr, 0, false,
aOutDecodedString, aRv);
}
void Decode(const ArrayBufferView& aView,
const TextDecodeOptions& aOptions,
nsAString& aOutDecodedString,
ErrorResult& aRv) {
TextDecoderBase::Decode(reinterpret_cast<char*>(aView.Data()),
aView.Length(), aOptions.mStream,
aOutDecodedString, aRv);
}
private:
nsCOMPtr<nsISupports> mGlobal;
};
} // dom
} // mozilla
#endif // mozilla_dom_textdecoder_h_