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The Tor Browser
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TextDecoderStream.h (2126B)

      1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim:set ts=2 sw=2 sts=2 et cindent: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #ifndef DOM_ENCODING_TEXTDECODERSTREAM_H_
      8 #define DOM_ENCODING_TEXTDECODERSTREAM_H_
      9 
     10 #include "js/TypeDecls.h"
     11 #include "mozilla/Attributes.h"
     12 #include "mozilla/ErrorResult.h"
     13 #include "mozilla/dom/BindingDeclarations.h"
     14 #include "mozilla/dom/TextDecoder.h"
     15 #include "nsCycleCollectionParticipant.h"
     16 #include "nsWrapperCache.h"
     17 
     18 class nsIGlobalObject;
     19 
     20 namespace mozilla {
     21 
     22 class Decoder;
     23 class Encoding;
     24 
     25 namespace dom {
     26 
     27 class ReadableStream;
     28 class WritableStream;
     29 struct TextDecoderOptions;
     30 class TransformStream;
     31 
     32 }  // namespace dom
     33 
     34 }  // namespace mozilla
     35 
     36 namespace mozilla::dom {
     37 
     38 class TextDecoderStream final : public nsISupports,
     39                                public nsWrapperCache,
     40                                public TextDecoderCommon {
     41 public:
     42  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
     43  NS_DECL_CYCLE_COLLECTION_WRAPPERCACHE_CLASS(TextDecoderStream)
     44 
     45 public:
     46  TextDecoderStream(nsISupports* aGlobal, const Encoding& aEncoding,
     47                    bool aFatal, bool aIgnoreBOM, TransformStream& aStream);
     48 
     49  nsISupports* GetParentObject() const { return mGlobal; }
     50 
     51  JSObject* WrapObject(JSContext* aCx,
     52                       JS::Handle<JSObject*> aGivenProto) override;
     53 
     54  mozilla::Decoder* Decoder() { return mDecoder.get(); }
     55 
     56  // TODO: Mark as MOZ_CAN_RUN_SCRIPT when IDL constructors can be (bug 1749042)
     57  MOZ_CAN_RUN_SCRIPT_BOUNDARY static already_AddRefed<TextDecoderStream>
     58  Constructor(const GlobalObject& aGlobal, const nsAString& aLabel,
     59              const TextDecoderOptions& aOptions, ErrorResult& aRv);
     60 
     61  ReadableStream* Readable() const;
     62 
     63  WritableStream* Writable() const;
     64 
     65 private:
     66  ~TextDecoderStream();
     67 
     68  nsCOMPtr<nsISupports> mGlobal;
     69  RefPtr<TransformStream> mStream;
     70 };
     71 
     72 }  // namespace mozilla::dom
     73 
     74 #endif  // DOM_ENCODING_TEXTDECODERSTREAM_H_