michael@0: /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsMemoryImpl_h__
michael@0: #define nsMemoryImpl_h__
michael@0: 
michael@0: #include "mozilla/Atomics.h"
michael@0: 
michael@0: #include "nsIMemory.h"
michael@0: #include "nsIRunnable.h"
michael@0: 
michael@0: // nsMemoryImpl is a static object. We can do this because it doesn't have
michael@0: // a constructor/destructor or any instance members. Please don't add
michael@0: // instance member variables, only static member variables.
michael@0: 
michael@0: class nsMemoryImpl : public nsIMemory
michael@0: {
michael@0: public:
michael@0:     // We don't use the generic macros because we are a special static object
michael@0:     NS_IMETHOD QueryInterface(REFNSIID aIID, void** aResult);
michael@0:     NS_IMETHOD_(MozExternalRefCountType) AddRef(void) { return 1; }
michael@0:     NS_IMETHOD_(MozExternalRefCountType) Release(void) { return 1; }
michael@0: 
michael@0:     NS_DECL_NSIMEMORY
michael@0: 
michael@0:     static nsresult Create(nsISupports* outer,
michael@0:                            const nsIID& aIID, void **aResult);
michael@0: 
michael@0:     NS_HIDDEN_(nsresult) FlushMemory(const char16_t* aReason, bool aImmediate);
michael@0:     NS_HIDDEN_(nsresult) RunFlushers(const char16_t* aReason);
michael@0: 
michael@0: protected:
michael@0:     struct FlushEvent : public nsIRunnable {
michael@0:         NS_DECL_ISUPPORTS_INHERITED
michael@0:         NS_DECL_NSIRUNNABLE
michael@0:         const char16_t* mReason;
michael@0:     };
michael@0: 
michael@0:     static mozilla::Atomic<bool> sIsFlushing;
michael@0:     static FlushEvent sFlushEvent;
michael@0:     static PRIntervalTime sLastFlushTime;
michael@0: };
michael@0: 
michael@0: #endif // nsMemoryImpl_h__