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-rw-r--r--dom/file/FileReaderSync.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/dom/file/FileReaderSync.h b/dom/file/FileReaderSync.h
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+++ b/dom/file/FileReaderSync.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=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_filereadersync_h__
+#define mozilla_dom_filereadersync_h__
+
+#include "mozilla/dom/WorkerCommon.h"
+#include "nsISupports.h"
+
+class nsIInputStream;
+
+namespace mozilla {
+class ErrorResult;
+
+namespace dom {
+class Blob;
+class GlobalObject;
+template <typename>
+class Optional;
+
+class FileReaderSync final {
+ NS_INLINE_DECL_REFCOUNTING(FileReaderSync)
+
+ private:
+ // Private destructor, to discourage deletion outside of Release():
+ ~FileReaderSync() = default;
+
+ nsresult ConvertStream(nsIInputStream* aStream, const char* aCharset,
+ nsAString& aResult);
+
+ nsresult ConvertAsyncToSyncStream(
+ uint64_t aStreamSize, already_AddRefed<nsIInputStream> aAsyncStream,
+ nsIInputStream** aSyncStream);
+
+ nsresult SyncRead(nsIInputStream* aStream, char* aBuffer,
+ uint32_t aBufferSize, uint32_t* aTotalBytesRead);
+
+ public:
+ static already_AddRefed<FileReaderSync> Constructor(
+ const GlobalObject& aGlobal);
+
+ bool WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto,
+ JS::MutableHandle<JSObject*> aReflector);
+
+ void ReadAsArrayBuffer(JSContext* aCx, JS::Handle<JSObject*> aScopeObj,
+ Blob& aBlob, JS::MutableHandle<JSObject*> aRetval,
+ ErrorResult& aRv);
+ void ReadAsBinaryString(Blob& aBlob, nsAString& aResult, ErrorResult& aRv);
+ void ReadAsText(Blob& aBlob, const Optional<nsAString>& aEncoding,
+ nsAString& aResult, ErrorResult& aRv);
+ void ReadAsDataURL(Blob& aBlob, nsAString& aResult, ErrorResult& aRv);
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_filereadersync_h__