1 files changed, 95 insertions, 0 deletions
diff --git a/dom/file/StreamBlobImpl.h b/dom/file/StreamBlobImpl.h
new file mode 100644
index 0000000000..6f35638463
--- /dev/null
+++ b/dom/file/StreamBlobImpl.h
@@ -0,0 +1,95 @@
+/* -*- 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_StreamBlobImpl_h
+#define mozilla_dom_StreamBlobImpl_h
+
+#include "BaseBlobImpl.h"
+#include "nsCOMPtr.h"
+#include "nsIMemoryReporter.h"
+#include "nsICloneableInputStream.h"
+
+namespace mozilla::dom {
+
+class StreamBlobImpl final : public BaseBlobImpl, public nsIMemoryReporter {
+  MOZ_DEFINE_MALLOC_SIZE_OF(MallocSizeOf)
+
+ public:
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_NSIMEMORYREPORTER
+
+  // Blob constructor.
+  static already_AddRefed<StreamBlobImpl> Create(
+      already_AddRefed<nsIInputStream> aInputStream,
+      const nsAString& aContentType, uint64_t aLength,
+      const nsAString& aBlobImplType);
+
+  // File constructor.
+  static already_AddRefed<StreamBlobImpl> Create(
+      already_AddRefed<nsIInputStream> aInputStream, const nsAString& aName,
+      const nsAString& aContentType, int64_t aLastModifiedDate,
+      uint64_t aLength, const nsAString& aBlobImplType);
+
+  void CreateInputStream(nsIInputStream** aStream,
+                         ErrorResult& aRv) const override;
+
+  already_AddRefed<BlobImpl> CreateSlice(uint64_t aStart, uint64_t aLength,
+                                         const nsAString& aContentType,
+                                         ErrorResult& aRv) const override;
+
+  bool IsMemoryFile() const override { return true; }
+
+  int64_t GetFileId() const override { return mFileId; }
+
+  void SetFileId(int64_t aFileId) { mFileId = aFileId; }
+
+  void SetFullPath(const nsAString& aFullPath) { mFullPath = aFullPath; }
+
+  void GetMozFullPathInternal(nsAString& aFullPath, ErrorResult& aRv) override {
+    aFullPath = mFullPath;
+  }
+
+  void SetIsDirectory(bool aIsDirectory) { mIsDirectory = aIsDirectory; }
+
+  bool IsDirectory() const override { return mIsDirectory; }
+
+  size_t GetAllocationSize() const override;
+
+  size_t GetAllocationSize(
+      FallibleTArray<BlobImpl*>& aVisitedBlobImpls) const override {
+    return GetAllocationSize();
+  }
+
+  void GetBlobImplType(nsAString& aBlobImplType) const override;
+
+ private:
+  // Blob constructor.
+  StreamBlobImpl(already_AddRefed<nsICloneableInputStream> aInputStream,
+                 const nsAString& aContentType, uint64_t aLength,
+                 const nsAString& aBlobImplType);
+
+  // File constructor.
+  StreamBlobImpl(already_AddRefed<nsICloneableInputStream> aInputStream,
+                 const nsAString& aName, const nsAString& aContentType,
+                 int64_t aLastModifiedDate, uint64_t aLength,
+                 const nsAString& aBlobImplType);
+
+  ~StreamBlobImpl() override;
+
+  void MaybeRegisterMemoryReporter();
+
+  nsCOMPtr<nsICloneableInputStream> mInputStream;
+
+  nsString mBlobImplType;
+
+  nsString mFullPath;
+  bool mIsDirectory;
+  int64_t mFileId;
+};
+
+}  // namespace mozilla::dom
+
+#endif  // mozilla_dom_StreamBlobImpl_h