1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/dom/src/storage/DOMStorageObserver.h Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,62 @@ 1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public 1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this 1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ 1.8 + 1.9 +#ifndef nsIDOMStorageObserver_h__ 1.10 +#define nsIDOMStorageObserver_h__ 1.11 + 1.12 +#include "nsIObserver.h" 1.13 +#include "nsITimer.h" 1.14 +#include "nsWeakReference.h" 1.15 +#include "nsTArray.h" 1.16 +#include "nsString.h" 1.17 + 1.18 +namespace mozilla { 1.19 +namespace dom { 1.20 + 1.21 +class DOMStorageObserver; 1.22 + 1.23 +// Implementers are DOMStorageManager and DOMStorageDBParent to forward to 1.24 +// child processes. 1.25 +class DOMStorageObserverSink 1.26 +{ 1.27 +public: 1.28 + virtual ~DOMStorageObserverSink() {} 1.29 + 1.30 +private: 1.31 + friend class DOMStorageObserver; 1.32 + virtual nsresult Observe(const char* aTopic, const nsACString& aScopePrefix) = 0; 1.33 +}; 1.34 + 1.35 +// Statically (though layout statics) initialized observer receiving and processing 1.36 +// chrome clearing notifications, such as cookie deletion etc. 1.37 +class DOMStorageObserver : public nsIObserver 1.38 + , public nsSupportsWeakReference 1.39 +{ 1.40 +public: 1.41 + NS_DECL_ISUPPORTS 1.42 + NS_DECL_NSIOBSERVER 1.43 + 1.44 + virtual ~DOMStorageObserver() {} 1.45 + 1.46 + static nsresult Init(); 1.47 + static nsresult Shutdown(); 1.48 + static DOMStorageObserver* Self() { return sSelf; } 1.49 + 1.50 + void AddSink(DOMStorageObserverSink* aObs); 1.51 + void RemoveSink(DOMStorageObserverSink* aObs); 1.52 + void Notify(const char* aTopic, const nsACString& aData = EmptyCString()); 1.53 + 1.54 +private: 1.55 + static DOMStorageObserver* sSelf; 1.56 + 1.57 + // Weak references 1.58 + nsTArray<DOMStorageObserverSink*> mSinks; 1.59 + nsCOMPtr<nsITimer> mDBThreadStartDelayTimer; 1.60 +}; 1.61 + 1.62 +} // ::dom 1.63 +} // ::mozilla 1.64 + 1.65 +#endif