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-rw-r--r--dom/file/StreamBlobImpl.h95
1 files changed, 95 insertions, 0 deletions
diff --git a/dom/file/StreamBlobImpl.h b/dom/file/StreamBlobImpl.h
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+++ b/dom/file/StreamBlobImpl.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_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