mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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c3970a73fb
Backed out changeset 85486c4aa3d8 (bug 936964) Backed out changeset 25312eb71998 (bug 936964) Backed out changeset 6dbb8333960c (bug 936964) Backed out changeset da6465ad476f (bug 936964) Backed out changeset a87ffc992f38 (bug 936964) Backed out changeset 4ae3a61182db (bug 936964) Backed out changeset 34e9c3137804 (bug 936964) Backed out changeset fd1459e71585 (bug 936964) Backed out changeset 3e8a701d8bdc (bug 943660) Landed on a CLOSED TREE --HG-- rename : content/canvas/src/WebGLMemoryTracker.h => content/canvas/src/WebGLMemoryReporterWrapper.h
129 lines
4.1 KiB
C++
129 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* vim: set ts=8 sts=4 et sw=4 tw=80: */
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/* 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 _nsMemoryCacheDevice_h_
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#define _nsMemoryCacheDevice_h_
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#include "nsCacheDevice.h"
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#include "pldhash.h"
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#include "nsCacheEntry.h"
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class nsIMemoryReporter;
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class nsMemoryCacheDeviceInfo;
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/******************************************************************************
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* nsMemoryCacheDevice
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******************************************************************************/
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class nsMemoryCacheDevice : public nsCacheDevice
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{
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public:
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nsMemoryCacheDevice();
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virtual ~nsMemoryCacheDevice();
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virtual nsresult Init();
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virtual nsresult Shutdown();
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virtual const char * GetDeviceID(void);
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virtual nsresult BindEntry( nsCacheEntry * entry );
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virtual nsCacheEntry * FindEntry( nsCString * key, bool *collision );
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virtual void DoomEntry( nsCacheEntry * entry );
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virtual nsresult DeactivateEntry( nsCacheEntry * entry );
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virtual nsresult OpenInputStreamForEntry(nsCacheEntry * entry,
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nsCacheAccessMode mode,
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uint32_t offset,
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nsIInputStream ** result);
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virtual nsresult OpenOutputStreamForEntry(nsCacheEntry * entry,
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nsCacheAccessMode mode,
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uint32_t offset,
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nsIOutputStream ** result);
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virtual nsresult GetFileForEntry( nsCacheEntry * entry,
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nsIFile ** result );
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virtual nsresult OnDataSizeChange( nsCacheEntry * entry, int32_t deltaSize );
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virtual nsresult Visit( nsICacheVisitor * visitor );
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virtual nsresult EvictEntries(const char * clientID);
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nsresult EvictPrivateEntries();
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void SetCapacity(int32_t capacity);
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void SetMaxEntrySize(int32_t maxSizeInKilobytes);
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bool EntryIsTooBig(int64_t entrySize);
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size_t TotalSize();
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private:
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friend class nsMemoryCacheDeviceInfo;
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enum { DELETE_ENTRY = true,
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DO_NOT_DELETE_ENTRY = false };
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void AdjustMemoryLimits( int32_t softLimit, int32_t hardLimit);
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void EvictEntry( nsCacheEntry * entry , bool deleteEntry);
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void EvictEntriesIfNecessary();
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int EvictionList(nsCacheEntry * entry, int32_t deltaSize);
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typedef bool (*EvictionMatcherFn)(nsCacheEntry* entry, void* args);
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nsresult DoEvictEntries(EvictionMatcherFn matchFn, void* args);
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#ifdef DEBUG
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void CheckEntryCount();
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#endif
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/*
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* Data members
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*/
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enum {
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kQueueCount = 24 // entries > 2^23 (8Mb) start in last queue
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};
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nsCacheEntryHashTable mMemCacheEntries;
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bool mInitialized;
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PRCList mEvictionList[kQueueCount];
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int32_t mHardLimit;
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int32_t mSoftLimit;
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int32_t mTotalSize;
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int32_t mInactiveSize;
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int32_t mEntryCount;
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int32_t mMaxEntryCount;
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int32_t mMaxEntrySize; // internal unit is bytes
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// XXX what other stats do we want to keep?
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nsCOMPtr<nsIMemoryReporter> mReporter;
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};
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/******************************************************************************
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* nsMemoryCacheDeviceInfo - used to call nsIVisitor for about:cache
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******************************************************************************/
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class nsMemoryCacheDeviceInfo : public nsICacheDeviceInfo {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSICACHEDEVICEINFO
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nsMemoryCacheDeviceInfo(nsMemoryCacheDevice* device)
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: mDevice(device)
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{
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}
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virtual ~nsMemoryCacheDeviceInfo() {}
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private:
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nsMemoryCacheDevice* mDevice;
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};
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#endif // _nsMemoryCacheDevice_h_
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