gecko/dom/workers/FileReaderSync.h

70 lines
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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_workers_filereadersync_h__
#define mozilla_dom_workers_filereadersync_h__
#include "Workers.h"
#include "mozilla/dom/workers/bindings/DOMBindingBase.h"
#include "nsICharsetDetectionObserver.h"
#include "nsString.h"
#include "mozilla/Attributes.h"
class nsIInputStream;
class nsIDOMBlob;
namespace mozilla {
class ErrorResult;
namespace dom {
class GlobalObject;
template<typename> class Optional;
}
}
BEGIN_WORKERS_NAMESPACE
class FileReaderSync MOZ_FINAL : public DOMBindingBase,
public nsICharsetDetectionObserver
{
nsCString mCharset;
nsresult ConvertStream(nsIInputStream *aStream, const char *aCharset,
nsAString &aResult);
nsresult GuessCharset(nsIInputStream *aStream, nsACString &aCharset);
public:
virtual void
_trace(JSTracer* aTrc) MOZ_OVERRIDE;
virtual void
_finalize(JSFreeOp* aFop) MOZ_OVERRIDE;
static FileReaderSync*
Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
NS_DECL_ISUPPORTS_INHERITED
FileReaderSync(JSContext* aCx);
JSObject* ReadAsArrayBuffer(JSContext* aCx, JS::Handle<JSObject*> aBlob,
ErrorResult& aRv);
void ReadAsBinaryString(JS::Handle<JSObject*> aBlob, nsAString& aResult,
ErrorResult& aRv);
void ReadAsText(JS::Handle<JSObject*> aBlob,
const Optional<nsAString>& aEncoding,
nsAString& aResult, ErrorResult& aRv);
void ReadAsDataURL(JS::Handle<JSObject*> aBlob, nsAString& aResult,
ErrorResult& aRv);
// From nsICharsetDetectionObserver
NS_IMETHOD Notify(const char *aCharset, nsDetectionConfident aConf) MOZ_OVERRIDE;
};
END_WORKERS_NAMESPACE
#endif // mozilla_dom_workers_filereadersync_h__