Issue #1829 - Revert "Issue #1751"

image/decoders/icon/mac/nsIconChannel.h

@@ -0,0 +1,59 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ *
+ * 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_image_encoders_icon_mac_nsIconChannel_h
+#define mozilla_image_encoders_icon_mac_nsIconChannel_h
+
+#include "mozilla/Attributes.h"
+
+#include "nsCOMPtr.h"
+#include "nsXPIDLString.h"
+#include "nsIChannel.h"
+#include "nsILoadGroup.h"
+#include "nsILoadInfo.h"
+#include "nsIInterfaceRequestor.h"
+#include "nsIInterfaceRequestorUtils.h"
+#include "nsIInputStreamPump.h"
+#include "nsIStreamListener.h"
+#include "nsIURI.h"
+
+class nsIFile;
+
+class nsIconChannel final : public nsIChannel, public nsIStreamListener
+{
+public:
+  NS_DECL_THREADSAFE_ISUPPORTS
+  NS_DECL_NSIREQUEST
+  NS_DECL_NSICHANNEL
+  NS_DECL_NSIREQUESTOBSERVER
+  NS_DECL_NSISTREAMLISTENER
+
+  nsIconChannel();
+
+  nsresult Init(nsIURI* uri);
+
+protected:
+  virtual ~nsIconChannel();
+
+  nsCOMPtr<nsIURI> mUrl;
+  nsCOMPtr<nsIURI> mOriginalURI;
+  nsCOMPtr<nsILoadGroup> mLoadGroup;
+  nsCOMPtr<nsIInterfaceRequestor> mCallbacks;
+  nsCOMPtr<nsISupports>  mOwner;
+  nsCOMPtr<nsILoadInfo>  mLoadInfo;
+
+  nsCOMPtr<nsIInputStreamPump> mPump;
+  nsCOMPtr<nsIStreamListener>  mListener;
+
+  nsresult MakeInputStream(nsIInputStream** _retval, bool nonBlocking);
+
+  nsresult ExtractIconInfoFromUrl(nsIFile** aLocalFile,
+                                  uint32_t* aDesiredImageSize,
+                                  nsACString& aContentType,
+                                  nsACString& aFileExtension);
+};
+
+#endif // mozilla_image_encoders_icon_mac_nsIconChannel_h