зеркало из https://github.com/mozilla/gecko-dev.git
51 строка
1.2 KiB
C++
51 строка
1.2 KiB
C++
/* 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 CacheObserver__h__
|
|
#define CacheObserver__h__
|
|
|
|
#include "nsIObserver.h"
|
|
#include "nsWeakReference.h"
|
|
#include <algorithm>
|
|
|
|
namespace mozilla {
|
|
namespace net {
|
|
|
|
class CacheObserver : public nsIObserver
|
|
, public nsSupportsWeakReference
|
|
{
|
|
NS_DECL_ISUPPORTS
|
|
NS_DECL_NSIOBSERVER
|
|
|
|
virtual ~CacheObserver() {}
|
|
|
|
static nsresult Init();
|
|
static nsresult Shutdown();
|
|
static CacheObserver* Self() { return sSelf; }
|
|
|
|
// Access to preferences
|
|
static uint32_t const MemoryLimit() // <0.5MB,1024MB>, result in bytes.
|
|
{ return std::max(512U, std::min(1048576U, sMemoryLimit)) << 10; }
|
|
static bool const UseNewCache();
|
|
static uint32_t const HalfLifeSeconds()
|
|
{ return sHalfLifeHours * 60 * 60; }
|
|
static int32_t const HalfLifeExperiment()
|
|
{ return sHalfLifeExperiment; }
|
|
|
|
private:
|
|
static CacheObserver* sSelf;
|
|
|
|
void AttachToPreferences();
|
|
|
|
static uint32_t sMemoryLimit;
|
|
static uint32_t sUseNewCache;
|
|
static uint32_t sHalfLifeHours;
|
|
static int32_t sHalfLifeExperiment;
|
|
};
|
|
|
|
} // net
|
|
} // mozilla
|
|
|
|
#endif
|