import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/base/nsDownloader.h

@@ -0,0 +1,40 @@
+/* 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 nsDownloader_h__
+#define nsDownloader_h__
+
+#include "nsIDownloader.h"
+#include "nsCOMPtr.h"
+
+class nsIFile;
+class nsIOutputStream;
+
+class nsDownloader : public nsIDownloader
+{
+public:
+    NS_DECL_ISUPPORTS
+    NS_DECL_NSIDOWNLOADER
+    NS_DECL_NSIREQUESTOBSERVER
+    NS_DECL_NSISTREAMLISTENER
+
+    nsDownloader() : mLocationIsTemp(false) {}
+
+protected:
+    virtual ~nsDownloader();
+
+    static nsresult ConsumeData(nsIInputStream *in,
+                                void           *closure,
+                                const char     *fromRawSegment,
+                                uint32_t        toOffset,
+                                uint32_t        count,
+                                uint32_t       *writeCount);
+
+    nsCOMPtr<nsIDownloadObserver> mObserver;
+    nsCOMPtr<nsIFile>             mLocation;
+    nsCOMPtr<nsIOutputStream>     mSink;
+    bool                          mLocationIsTemp;
+};
+
+#endif // nsDownloader_h__