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comparison: netwerk/cache2/CacheObserver.h
netwerk/cache2/CacheObserver.h
- changeset 2
- 7e26c7da4463
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| -1:000000000000 | 0:d3890e98ff7a |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef CacheObserver__h__ | |
| 6 #define CacheObserver__h__ | |
| 7 | |
| 8 #include "nsIObserver.h" | |
| 9 #include "nsIFile.h" | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "nsWeakReference.h" | |
| 12 #include <algorithm> | |
| 13 | |
| 14 namespace mozilla { | |
| 15 namespace net { | |
| 16 | |
| 17 class CacheObserver : public nsIObserver | |
| 18 , public nsSupportsWeakReference | |
| 19 { | |
| 20 NS_DECL_THREADSAFE_ISUPPORTS | |
| 21 NS_DECL_NSIOBSERVER | |
| 22 | |
| 23 virtual ~CacheObserver() {} | |
| 24 | |
| 25 static nsresult Init(); | |
| 26 static nsresult Shutdown(); | |
| 27 static CacheObserver* Self() { return sSelf; } | |
| 28 | |
| 29 // Access to preferences | |
| 30 static bool const UseNewCache(); | |
| 31 static bool const UseDiskCache() | |
| 32 { return sUseDiskCache; } | |
| 33 static bool const UseMemoryCache() | |
| 34 { return sUseMemoryCache; } | |
| 35 static uint32_t const MetadataMemoryLimit() // result in bytes. | |
| 36 { return sMetadataMemoryLimit << 10; } | |
| 37 static uint32_t const MemoryCacheCapacity(); // result in bytes. | |
| 38 static uint32_t const DiskCacheCapacity() // result in bytes. | |
| 39 { return sDiskCacheCapacity << 10; } | |
| 40 static void SetDiskCacheCapacity(uint32_t); // parameter in bytes. | |
| 41 static bool const SmartCacheSizeEnabled() | |
| 42 { return sSmartCacheSizeEnabled; } | |
| 43 static uint32_t const MaxMemoryEntrySize() // result in bytes. | |
| 44 { return sMaxMemoryEntrySize << 10; } | |
| 45 static uint32_t const MaxDiskEntrySize() // result in bytes. | |
| 46 { return sMaxDiskEntrySize << 10; } | |
| 47 static uint32_t const CompressionLevel() | |
| 48 { return sCompressionLevel; } | |
| 49 static uint32_t const HalfLifeSeconds() | |
| 50 { return sHalfLifeHours * 60 * 60; } | |
| 51 static int32_t const HalfLifeExperiment() | |
| 52 { return sHalfLifeExperiment; } | |
| 53 static bool const ClearCacheOnShutdown() | |
| 54 { return sSanitizeOnShutdown && sClearCacheOnShutdown; } | |
| 55 static void ParentDirOverride(nsIFile ** aDir); | |
| 56 | |
| 57 static bool const EntryIsTooBig(int64_t aSize, bool aUsingDisk); | |
| 58 | |
| 59 private: | |
| 60 static CacheObserver* sSelf; | |
| 61 | |
| 62 void StoreDiskCacheCapacity(); | |
| 63 void AttachToPreferences(); | |
| 64 void SchduleAutoDelete(); | |
| 65 | |
| 66 static uint32_t sUseNewCache; | |
| 67 static bool sUseMemoryCache; | |
| 68 static bool sUseDiskCache; | |
| 69 static uint32_t sMetadataMemoryLimit; | |
| 70 static int32_t sMemoryCacheCapacity; | |
| 71 static int32_t sAutoMemoryCacheCapacity; | |
| 72 static uint32_t sDiskCacheCapacity; | |
| 73 static bool sSmartCacheSizeEnabled; | |
| 74 static uint32_t sMaxMemoryEntrySize; | |
| 75 static uint32_t sMaxDiskEntrySize; | |
| 76 static uint32_t sCompressionLevel; | |
| 77 static uint32_t sHalfLifeHours; | |
| 78 static int32_t sHalfLifeExperiment; | |
| 79 static bool sSanitizeOnShutdown; | |
| 80 static bool sClearCacheOnShutdown; | |
| 81 | |
| 82 // Non static properties, accessible via sSelf | |
| 83 nsCOMPtr<nsIFile> mCacheParentDirectoryOverride; | |
| 84 }; | |
| 85 | |
| 86 } // net | |
| 87 } // mozilla | |
| 88 | |
| 89 #endif |
