1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/netwerk/base/src/nsDNSPrefetch.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,51 @@ 1.4 +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ 1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +#ifndef nsDNSPrefetch_h___ 1.10 +#define nsDNSPrefetch_h___ 1.11 + 1.12 +#include "nsWeakReference.h" 1.13 +#include "nsString.h" 1.14 +#include "mozilla/TimeStamp.h" 1.15 +#include "mozilla/Attributes.h" 1.16 + 1.17 +#include "nsIDNSListener.h" 1.18 + 1.19 +class nsIURI; 1.20 +class nsIDNSService; 1.21 + 1.22 +class nsDNSPrefetch MOZ_FINAL : public nsIDNSListener 1.23 +{ 1.24 +public: 1.25 + NS_DECL_THREADSAFE_ISUPPORTS 1.26 + NS_DECL_NSIDNSLISTENER 1.27 + 1.28 + nsDNSPrefetch(nsIURI *aURI, nsIDNSListener *aListener, bool storeTiming); 1.29 + bool TimingsValid() const { 1.30 + return !mStartTimestamp.IsNull() && !mEndTimestamp.IsNull(); 1.31 + } 1.32 + // Only use the two timings if TimingsValid() returns true 1.33 + const mozilla::TimeStamp& StartTimestamp() const { return mStartTimestamp; } 1.34 + const mozilla::TimeStamp& EndTimestamp() const { return mEndTimestamp; } 1.35 + 1.36 + static nsresult Initialize(nsIDNSService *aDNSService); 1.37 + static nsresult Shutdown(); 1.38 + 1.39 + // Call one of the following methods to start the Prefetch. 1.40 + nsresult PrefetchHigh(bool refreshDNS = false); 1.41 + nsresult PrefetchMedium(bool refreshDNS = false); 1.42 + nsresult PrefetchLow(bool refreshDNS = false); 1.43 + 1.44 +private: 1.45 + nsCString mHostname; 1.46 + bool mStoreTiming; 1.47 + mozilla::TimeStamp mStartTimestamp; 1.48 + mozilla::TimeStamp mEndTimestamp; 1.49 + nsWeakPtr mListener; 1.50 + 1.51 + nsresult Prefetch(uint16_t flags); 1.52 +}; 1.53 + 1.54 +#endif