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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #ifndef nsIDOMStorageObserver_h__ |
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7 #define nsIDOMStorageObserver_h__ |
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8 |
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9 #include "nsIObserver.h" |
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10 #include "nsITimer.h" |
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11 #include "nsWeakReference.h" |
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12 #include "nsTArray.h" |
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13 #include "nsString.h" |
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14 |
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15 namespace mozilla { |
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16 namespace dom { |
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17 |
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18 class DOMStorageObserver; |
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19 |
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20 // Implementers are DOMStorageManager and DOMStorageDBParent to forward to |
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21 // child processes. |
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22 class DOMStorageObserverSink |
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23 { |
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24 public: |
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25 virtual ~DOMStorageObserverSink() {} |
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26 |
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27 private: |
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28 friend class DOMStorageObserver; |
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29 virtual nsresult Observe(const char* aTopic, const nsACString& aScopePrefix) = 0; |
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30 }; |
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31 |
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32 // Statically (though layout statics) initialized observer receiving and processing |
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33 // chrome clearing notifications, such as cookie deletion etc. |
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34 class DOMStorageObserver : public nsIObserver |
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35 , public nsSupportsWeakReference |
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36 { |
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37 public: |
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38 NS_DECL_ISUPPORTS |
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39 NS_DECL_NSIOBSERVER |
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40 |
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41 virtual ~DOMStorageObserver() {} |
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42 |
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43 static nsresult Init(); |
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44 static nsresult Shutdown(); |
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45 static DOMStorageObserver* Self() { return sSelf; } |
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46 |
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47 void AddSink(DOMStorageObserverSink* aObs); |
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48 void RemoveSink(DOMStorageObserverSink* aObs); |
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49 void Notify(const char* aTopic, const nsACString& aData = EmptyCString()); |
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50 |
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51 private: |
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52 static DOMStorageObserver* sSelf; |
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53 |
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54 // Weak references |
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55 nsTArray<DOMStorageObserverSink*> mSinks; |
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56 nsCOMPtr<nsITimer> mDBThreadStartDelayTimer; |
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57 }; |
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58 |
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59 } // ::dom |
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60 } // ::mozilla |
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61 |
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62 #endif |