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51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef CacheObserver__h__
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#define CacheObserver__h__
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#include "nsIObserver.h"
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#include "nsWeakReference.h"
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#include <algorithm>
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namespace mozilla {
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namespace net {
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class CacheObserver : public nsIObserver
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, public nsSupportsWeakReference
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{
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NS_DECL_ISUPPORTS
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NS_DECL_NSIOBSERVER
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virtual ~CacheObserver() {}
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static nsresult Init();
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static nsresult Shutdown();
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static CacheObserver* Self() { return sSelf; }
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// Access to preferences
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static uint32_t const MemoryLimit() // <0.5MB,1024MB>, result in bytes.
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{ return std::max(512U, std::min(1048576U, sMemoryLimit)) << 10; }
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static bool const UseNewCache();
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static uint32_t const HalfLifeSeconds()
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{ return sHalfLifeHours * 60 * 60; }
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static int32_t const HalfLifeExperiment()
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{ return sHalfLifeExperiment; }
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private:
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static CacheObserver* sSelf;
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void AttachToPreferences();
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static uint32_t sMemoryLimit;
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static uint32_t sUseNewCache;
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static uint32_t sHalfLifeHours;
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static int32_t sHalfLifeExperiment;
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};
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} // net
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} // mozilla
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#endif
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