1 files changed, 210 insertions, 0 deletions
diff --git a/dom/indexedDB/FileSnapshot.h b/dom/indexedDB/FileSnapshot.h
new file mode 100644
index 000000000..6b577fcc3
--- /dev/null
+++ b/dom/indexedDB/FileSnapshot.h
@@ -0,0 +1,210 @@
+/* -*- 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_indexeddb_filesnapshot_h__
+#define mozilla_dom_indexeddb_filesnapshot_h__
+
+#include "mozilla/Attributes.h"
+#include "mozilla/dom/File.h"
+#include "nsISupports.h"
+#include "nsWeakPtr.h"
+
+#define FILEIMPLSNAPSHOT_IID \
+  {0x0dfc11b1, 0x75d3, 0x473b, {0x8c, 0x67, 0xb7, 0x23, 0xf4, 0x67, 0xd6, 0x73}}
+
+class PIBlobImplSnapshot : public nsISupports
+{
+public:
+  NS_DECLARE_STATIC_IID_ACCESSOR(FILEIMPLSNAPSHOT_IID)
+
+  virtual mozilla::dom::BlobImpl*
+  GetBlobImpl() const = 0;
+};
+
+NS_DEFINE_STATIC_IID_ACCESSOR(PIBlobImplSnapshot, FILEIMPLSNAPSHOT_IID)
+
+namespace mozilla {
+namespace dom {
+
+class IDBFileHandle;
+
+namespace indexedDB {
+
+class BlobImplSnapshot final
+  : public BlobImpl
+  , public PIBlobImplSnapshot
+{
+  RefPtr<BlobImpl> mBlobImpl;
+  nsWeakPtr mFileHandle;
+
+public:
+  BlobImplSnapshot(BlobImpl* aImpl,
+                   IDBFileHandle* aFileHandle);
+
+  NS_DECL_ISUPPORTS_INHERITED
+
+private:
+  BlobImplSnapshot(BlobImpl* aImpl,
+                   nsIWeakReference* aFileHandle);
+
+  ~BlobImplSnapshot();
+
+  // BlobImpl
+  virtual void
+  GetName(nsAString& aName) const override
+  {
+    mBlobImpl->GetName(aName);
+  }
+
+  virtual void
+  GetDOMPath(nsAString& aPath) const override
+  {
+    mBlobImpl->GetDOMPath(aPath);
+  }
+
+  virtual void
+  SetDOMPath(const nsAString& aPath) override
+  {
+    mBlobImpl->SetDOMPath(aPath);
+  }
+
+  virtual int64_t
+  GetLastModified(ErrorResult& aRv) override
+  {
+    return mBlobImpl->GetLastModified(aRv);
+  }
+
+  virtual void
+  SetLastModified(int64_t aLastModified) override
+  {
+    mBlobImpl->SetLastModified(aLastModified);
+  }
+
+  virtual void
+  GetMozFullPath(nsAString& aName, ErrorResult& aRv) const override
+  {
+    mBlobImpl->GetMozFullPath(aName, aRv);
+  }
+
+  virtual void
+  GetMozFullPathInternal(nsAString& aFileName, ErrorResult& aRv) const override
+  {
+    mBlobImpl->GetMozFullPathInternal(aFileName, aRv);
+  }
+
+  virtual uint64_t
+  GetSize(ErrorResult& aRv) override
+  {
+    return mBlobImpl->GetSize(aRv);
+  }
+
+  virtual void
+  GetType(nsAString& aType) override
+  {
+    mBlobImpl->GetType(aType);
+  }
+
+  virtual uint64_t
+  GetSerialNumber() const override
+  {
+    return mBlobImpl->GetSerialNumber();
+  }
+
+  virtual already_AddRefed<BlobImpl>
+  CreateSlice(uint64_t aStart,
+              uint64_t aLength,
+              const nsAString& aContentType,
+              ErrorResult& aRv) override;
+
+  virtual const nsTArray<RefPtr<BlobImpl>>*
+  GetSubBlobImpls() const override
+  {
+    return mBlobImpl->GetSubBlobImpls();
+  }
+
+  virtual void
+  GetInternalStream(nsIInputStream** aStream,
+                    ErrorResult& aRv) override;
+
+  virtual int64_t
+  GetFileId() override
+  {
+    return mBlobImpl->GetFileId();
+  }
+
+  virtual nsresult
+  GetSendInfo(nsIInputStream** aBody,
+              uint64_t* aContentLength,
+              nsACString& aContentType,
+              nsACString& aCharset) override
+  {
+    return mBlobImpl->GetSendInfo(aBody,
+                                  aContentLength,
+                                  aContentType,
+                                  aCharset);
+  }
+
+  virtual nsresult
+  GetMutable(bool* aMutable) const override
+  {
+    return mBlobImpl->GetMutable(aMutable);
+  }
+
+  virtual nsresult
+  SetMutable(bool aMutable) override
+  {
+    return mBlobImpl->SetMutable(aMutable);
+  }
+
+  virtual void
+  SetLazyData(const nsAString& aName,
+              const nsAString& aContentType,
+              uint64_t aLength,
+              int64_t aLastModifiedDate) override
+  {
+    MOZ_CRASH("This should never be called!");
+  }
+
+  virtual bool
+  IsMemoryFile() const override
+  {
+    return mBlobImpl->IsMemoryFile();
+  }
+
+  virtual bool
+  IsSizeUnknown() const override
+  {
+    return mBlobImpl->IsSizeUnknown();
+  }
+
+  virtual bool
+  IsDateUnknown() const override
+  {
+    return mBlobImpl->IsDateUnknown();
+  }
+
+  virtual bool
+  IsFile() const override
+  {
+    return mBlobImpl->IsFile();
+  }
+
+  virtual bool
+  MayBeClonedToOtherThreads() const override
+  {
+    return false;
+  }
+
+  // PIBlobImplSnapshot
+  virtual BlobImpl*
+  GetBlobImpl() const override;
+};
+
+} // namespace indexedDB
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_indexeddb_filesnapshot_h__