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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /netwerk/cache2/CacheObserver.h | |
parent | Initial commit. (diff) | |
download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'netwerk/cache2/CacheObserver.h')
-rw-r--r-- | netwerk/cache2/CacheObserver.h | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/netwerk/cache2/CacheObserver.h b/netwerk/cache2/CacheObserver.h new file mode 100644 index 0000000000..633af7eec5 --- /dev/null +++ b/netwerk/cache2/CacheObserver.h @@ -0,0 +1,109 @@ +/* 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 "nsIFile.h" +#include "nsCOMPtr.h" +#include "nsWeakReference.h" +#include "mozilla/StaticPrefs_browser.h" +#include "mozilla/StaticPrefs_privacy.h" +#include "mozilla/StaticPtr.h" +#include <algorithm> + +namespace mozilla { +namespace net { + +class CacheObserver : public nsIObserver, public nsSupportsWeakReference { + virtual ~CacheObserver() = default; + + NS_DECL_THREADSAFE_ISUPPORTS + NS_DECL_NSIOBSERVER + + static nsresult Init(); + static nsresult Shutdown(); + static CacheObserver* Self() { return sSelf; } + + // Access to preferences + static bool UseDiskCache() { + return StaticPrefs::browser_cache_disk_enable(); + } + static bool UseMemoryCache() { + return StaticPrefs::browser_cache_memory_enable(); + } + static uint32_t MetadataMemoryLimit() // result in kilobytes. + { + return StaticPrefs::browser_cache_disk_metadata_memory_limit(); + } + static uint32_t MemoryCacheCapacity(); // result in kilobytes. + static uint32_t DiskCacheCapacity(); // result in kilobytes. + static void SetSmartDiskCacheCapacity(uint32_t); // parameter in kilobytes. + static uint32_t DiskFreeSpaceSoftLimit() // result in kilobytes. + { + return StaticPrefs::browser_cache_disk_free_space_soft_limit(); + } + static uint32_t DiskFreeSpaceHardLimit() // result in kilobytes. + { + return StaticPrefs::browser_cache_disk_free_space_hard_limit(); + } + static bool SmartCacheSizeEnabled() { + return StaticPrefs::browser_cache_disk_smart_size_enabled(); + } + static uint32_t PreloadChunkCount() { + return StaticPrefs::browser_cache_disk_preload_chunk_count(); + } + static uint32_t MaxMemoryEntrySize() // result in kilobytes. + { + return StaticPrefs::browser_cache_memory_max_entry_size(); + } + static uint32_t MaxDiskEntrySize() // result in kilobytes. + { + return StaticPrefs::browser_cache_disk_max_entry_size(); + } + static uint32_t MaxDiskChunksMemoryUsage( + bool aPriority) // result in kilobytes. + { + return aPriority + ? StaticPrefs:: + browser_cache_disk_max_priority_chunks_memory_usage() + : StaticPrefs::browser_cache_disk_max_chunks_memory_usage(); + } + static uint32_t HalfLifeSeconds() { return sHalfLifeHours * 60.0F * 60.0F; } + static bool ClearCacheOnShutdown() { + return StaticPrefs::privacy_sanitize_sanitizeOnShutdown() && + StaticPrefs::privacy_clearOnShutdown_cache(); + } + static void ParentDirOverride(nsIFile** aDir); + + static bool EntryIsTooBig(int64_t aSize, bool aUsingDisk); + + static uint32_t MaxShutdownIOLag() { + return StaticPrefs::browser_cache_max_shutdown_io_lag(); + } + static bool IsPastShutdownIOLag(); + + static bool ShuttingDown() { + return sShutdownDemandedTime != PR_INTERVAL_NO_TIMEOUT; + } + + private: + static StaticRefPtr<CacheObserver> sSelf; + + void AttachToPreferences(); + + static int32_t sAutoMemoryCacheCapacity; + static Atomic<uint32_t, Relaxed> sSmartDiskCacheCapacity; + static float sHalfLifeHours; + static Atomic<PRIntervalTime> sShutdownDemandedTime; + + // Non static properties, accessible via sSelf + nsCOMPtr<nsIFile> mCacheParentDirectoryOverride; +}; + +} // namespace net +} // namespace mozilla + +#endif |