The Tor Browser: dom/events/DataContainerEvent.h@97036ab72558

Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef mozilla_dom_DataContainerEvent_h_

     7 #define mozilla_dom_DataContainerEvent_h_

     9 #include "mozilla/dom/DataContainerEventBinding.h"

    10 #include "mozilla/dom/Event.h"

    11 #include "nsIDOMDataContainerEvent.h"

    12 #include "nsInterfaceHashtable.h"

    14 namespace mozilla {

    15 namespace dom {

    17 class DataContainerEvent : public Event,

    18                            public nsIDOMDataContainerEvent

    19 {

    20 public:

    21   DataContainerEvent(EventTarget* aOwner,

    22                      nsPresContext* aPresContext,

    23                      WidgetEvent* aEvent);

    25   NS_DECL_ISUPPORTS_INHERITED

    27   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(DataContainerEvent, Event)

    29   NS_FORWARD_TO_EVENT

    31   NS_DECL_NSIDOMDATACONTAINEREVENT

    33   virtual JSObject*

    34   WrapObject(JSContext* aCx) MOZ_OVERRIDE

    35   {

    36     return DataContainerEventBinding::Wrap(aCx, this);

    37   }

    39   already_AddRefed<nsIVariant> GetData(const nsAString& aKey)

    40   {

    41     nsCOMPtr<nsIVariant> val;

    42     GetData(aKey, getter_AddRefs(val));

    43     return val.forget();

    44   }

    46   void SetData(JSContext* aCx, const nsAString& aKey,

    47                JS::Handle<JS::Value> aVal, ErrorResult& aRv);

    49 private:

    50   static PLDHashOperator

    51     TraverseEntry(const nsAString& aKey, nsIVariant* aDataItem, void* aUserArg);

    53   nsInterfaceHashtable<nsStringHashKey, nsIVariant> mData;

    54 };

    56 } // namespace dom

    57 } // namespace mozilla

    59 #endif // mozilla_dom_DataContainerEvent_h_

The Tor Browser / file revision

dom/events/DataContainerEvent.h@97036ab72558

dom/events/DataContainerEvent.h