1 files changed, 11 insertions, 1 deletions
diff --git a/netwerk/streamconv/converters/nsHTTPCompressConv.h b/netwerk/streamconv/converters/nsHTTPCompressConv.h
index 4ba2d9819c..1008edcf27 100644
--- a/netwerk/streamconv/converters/nsHTTPCompressConv.h
+++ b/netwerk/streamconv/converters/nsHTTPCompressConv.h
@@ -34,11 +34,14 @@ class nsIStringInputStream;
 #  define HTTP_BROTLI_TYPE "br"
 #  define HTTP_IDENTITY_TYPE "identity"
 #  define HTTP_UNCOMPRESSED_TYPE "uncompressed"
+#  define HTTP_ZSTD_TYPE "zstd"
+#  define HTTP_ZST_TYPE "zst"
 
 namespace mozilla {
 namespace net {
 
 class BrotliWrapper;
+class ZstdWrapper;
 
 class nsHTTPCompressConv : public nsIStreamConverter,
                            public nsICompressConvStats {
@@ -60,7 +63,8 @@ class nsHTTPCompressConv : public nsIStreamConverter,
     HTTP_COMPRESS_DEFLATE,
     HTTP_COMPRESS_COMPRESS,
     HTTP_COMPRESS_BROTLI,
-    HTTP_COMPRESS_IDENTITY
+    HTTP_COMPRESS_IDENTITY,
+    HTTP_COMPRESS_ZSTD,
   };
 
  private:
@@ -77,6 +81,7 @@ class nsHTTPCompressConv : public nsIStreamConverter,
   uint32_t mInpBufferLen{0};
 
   UniquePtr<BrotliWrapper> mBrotli;
+  UniquePtr<ZstdWrapper> mZstd;
 
   nsCOMPtr<nsIStringInputStream> mStream;
 
@@ -84,6 +89,10 @@ class nsHTTPCompressConv : public nsIStreamConverter,
                                 const char* dataIn, uint32_t, uint32_t avail,
                                 uint32_t* countRead);
 
+  static nsresult ZstdHandler(nsIInputStream* stream, void* closure,
+                              const char* dataIn, uint32_t, uint32_t avail,
+                              uint32_t* countRead);
+
   nsresult do_OnDataAvailable(nsIRequest* request, uint64_t aSourceOffset,
                               const char* buffer, uint32_t aCount);
 
@@ -92,6 +101,7 @@ class nsHTTPCompressConv : public nsIStreamConverter,
   bool mStreamInitialized{false};
   bool mDummyStreamInitialised{false};
   bool mFailUncleanStops;
+  bool mDispatchToMainThread{false};
 
   z_stream d_stream{};
   unsigned mLen{0}, hMode{0}, mSkipCount{0}, mFlags{0};