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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /netwerk/base/nsDNSPrefetch.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'netwerk/base/nsDNSPrefetch.h')
-rw-r--r--netwerk/base/nsDNSPrefetch.h53
1 files changed, 53 insertions, 0 deletions
diff --git a/netwerk/base/nsDNSPrefetch.h b/netwerk/base/nsDNSPrefetch.h
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+++ b/netwerk/base/nsDNSPrefetch.h
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+/* -*- Mode: C++; tab-width: 4; 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 nsDNSPrefetch_h___
+#define nsDNSPrefetch_h___
+
+#include "nsWeakReference.h"
+#include "nsString.h"
+#include "mozilla/TimeStamp.h"
+#include "mozilla/Attributes.h"
+
+#include "nsIDNSListener.h"
+
+class nsIURI;
+class nsIDNSService;
+
+class nsDNSPrefetch final : public nsIDNSListener
+{
+ ~nsDNSPrefetch() {}
+
+public:
+ NS_DECL_THREADSAFE_ISUPPORTS
+ NS_DECL_NSIDNSLISTENER
+
+ nsDNSPrefetch(nsIURI *aURI, nsIDNSListener *aListener, bool storeTiming);
+ bool TimingsValid() const {
+ return !mStartTimestamp.IsNull() && !mEndTimestamp.IsNull();
+ }
+ // Only use the two timings if TimingsValid() returns true
+ const mozilla::TimeStamp& StartTimestamp() const { return mStartTimestamp; }
+ const mozilla::TimeStamp& EndTimestamp() const { return mEndTimestamp; }
+
+ static nsresult Initialize(nsIDNSService *aDNSService);
+ static nsresult Shutdown();
+
+ // Call one of the following methods to start the Prefetch.
+ nsresult PrefetchHigh(bool refreshDNS = false);
+ nsresult PrefetchMedium(bool refreshDNS = false);
+ nsresult PrefetchLow(bool refreshDNS = false);
+
+private:
+ nsCString mHostname;
+ bool mStoreTiming;
+ mozilla::TimeStamp mStartTimestamp;
+ mozilla::TimeStamp mEndTimestamp;
+ nsWeakPtr mListener;
+
+ nsresult Prefetch(uint16_t flags);
+};
+
+#endif