Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       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 mozilla_dom_filereadersync_h__
       8             : #define mozilla_dom_filereadersync_h__
       9             : 
      10             : #include "Workers.h"
      11             : 
      12             : class nsIInputStream;
      13             : 
      14             : namespace mozilla {
      15             : class ErrorResult;
      16             : 
      17             : namespace dom {
      18             : class Blob;
      19             : class GlobalObject;
      20             : template<typename> class Optional;
      21             : 
      22           0 : class FileReaderSync final
      23             : {
      24           0 :   NS_INLINE_DECL_REFCOUNTING(FileReaderSync)
      25             : 
      26             : private:
      27             :   // Private destructor, to discourage deletion outside of Release():
      28           0 :   ~FileReaderSync()
      29           0 :   {
      30           0 :   }
      31             : 
      32             :   nsresult ConvertStream(nsIInputStream *aStream, const char *aCharset,
      33             :                          nsAString &aResult);
      34             : 
      35             :   nsresult ConvertAsyncToSyncStream(nsIInputStream* aAsyncStream,
      36             :                                     nsIInputStream** aSyncStream);
      37             : 
      38             :   nsresult SyncRead(nsIInputStream* aStream, char* aBuffer,
      39             :                     uint32_t aBufferSize, uint32_t* aRead);
      40             : 
      41             : public:
      42             :   static already_AddRefed<FileReaderSync>
      43             :   Constructor(const GlobalObject& aGlobal, ErrorResult& aRv);
      44             : 
      45             :   bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector);
      46             : 
      47             :   void ReadAsArrayBuffer(JSContext* aCx, JS::Handle<JSObject*> aScopeObj,
      48             :                          Blob& aBlob, JS::MutableHandle<JSObject*> aRetval,
      49             :                          ErrorResult& aRv);
      50             :   void ReadAsBinaryString(Blob& aBlob, nsAString& aResult, ErrorResult& aRv);
      51             :   void ReadAsText(Blob& aBlob, const Optional<nsAString>& aEncoding,
      52             :                   nsAString& aResult, ErrorResult& aRv);
      53             :   void ReadAsDataURL(Blob& aBlob, nsAString& aResult, ErrorResult& aRv);
      54             : };
      55             : 
      56             : } // namespace dom
      57             : } // namespace mozilla
      58             : 
      59             : #endif // mozilla_dom_filereadersync_h__