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-rw-r--r--netwerk/base/nsIncrementalStreamLoader.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/netwerk/base/nsIncrementalStreamLoader.h b/netwerk/base/nsIncrementalStreamLoader.h
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+++ b/netwerk/base/nsIncrementalStreamLoader.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* 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 nsIncrementalStreamLoader_h__
+#define nsIncrementalStreamLoader_h__
+
+#include "nsIThreadRetargetableStreamListener.h"
+#include "nsIIncrementalStreamLoader.h"
+#include "nsCOMPtr.h"
+#include "mozilla/Attributes.h"
+#include "mozilla/Vector.h"
+
+class nsIRequest;
+
+class nsIncrementalStreamLoader final
+ : public nsIIncrementalStreamLoader,
+ public nsIThreadRetargetableStreamListener {
+ public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+ NS_DECL_NSIINCREMENTALSTREAMLOADER
+ NS_DECL_NSIREQUESTOBSERVER
+ NS_DECL_NSISTREAMLISTENER
+ NS_DECL_NSITHREADRETARGETABLESTREAMLISTENER
+
+ nsIncrementalStreamLoader();
+
+ static nsresult Create(REFNSIID aIID, void** aResult);
+
+ protected:
+ ~nsIncrementalStreamLoader() = default;
+
+ static nsresult WriteSegmentFun(nsIInputStream*, void*, const char*, uint32_t,
+ uint32_t, uint32_t*);
+
+ // Utility method to free mData, if present, and update other state to
+ // reflect that no data has been allocated.
+ void ReleaseData();
+
+ nsCOMPtr<nsIIncrementalStreamLoaderObserver> mObserver;
+ nsCOMPtr<nsISupports> mContext; // the observer's context
+ nsCOMPtr<nsIRequest> mRequest;
+
+ // Buffer to accumulate incoming data. We preallocate if contentSize is
+ // available.
+ mozilla::Vector<uint8_t, 0> mData;
+
+ // Number of bytes read, which may not match the number of bytes in mData at
+ // all, as we incrementally remove from there.
+ mozilla::Atomic<uint32_t, mozilla::MemoryOrdering::Relaxed> mBytesRead;
+};
+
+#endif // nsIncrementalStreamLoader_h__