The Tor Browser: dom/events/ScrollAreaEvent.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_ScrollAreaEvent_h_

     7 #define mozilla_dom_ScrollAreaEvent_h_

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

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

    11 #include "mozilla/dom/UIEvent.h"

    12 #include "mozilla/Attributes.h"

    13 #include "mozilla/EventForwards.h"

    14 #include "nsIDOMScrollAreaEvent.h"

    16 namespace mozilla {

    17 namespace dom {

    19 class ScrollAreaEvent : public UIEvent,

    20                         public nsIDOMScrollAreaEvent

    21 {

    22 public:

    23   ScrollAreaEvent(EventTarget* aOwner,

    24                   nsPresContext* aPresContext,

    25                   InternalScrollAreaEvent* aEvent);

    27   NS_DECL_ISUPPORTS_INHERITED

    29   NS_DECL_NSIDOMSCROLLAREAEVENT

    31   NS_FORWARD_NSIDOMUIEVENT(UIEvent::)

    33   NS_FORWARD_TO_EVENT_NO_SERIALIZATION_NO_DUPLICATION

    34   NS_IMETHOD DuplicatePrivateData()

    35   {

    36     return Event::DuplicatePrivateData();

    37   }

    38   NS_IMETHOD_(void) Serialize(IPC::Message* aMsg, bool aSerializeInterfaceType) MOZ_OVERRIDE;

    39   NS_IMETHOD_(bool) Deserialize(const IPC::Message* aMsg, void** aIter) MOZ_OVERRIDE;

    41   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE

    42   {

    43     return ScrollAreaEventBinding::Wrap(aCx, this);

    44   }

    46   float X() const

    47   {

    48     return mClientArea.Left();

    49   }

    51   float Y() const

    52   {

    53     return mClientArea.Top();

    54   }

    56   float Width() const

    57   {

    58     return mClientArea.Width();

    59   }

    61   float Height() const

    62   {

    63     return mClientArea.Height();

    64   }

    66   void InitScrollAreaEvent(const nsAString& aType,

    67                            bool aCanBubble,

    68                            bool aCancelable,

    69                            nsIDOMWindow* aView,

    70                            int32_t aDetail,

    71                            float aX, float aY,

    72                            float aWidth, float aHeight,

    73                            ErrorResult& aRv)

    74   {

    75     aRv = InitScrollAreaEvent(aType, aCanBubble, aCancelable, aView,

    76                               aDetail, aX, aY, aWidth, aHeight);

    77   }

    79 protected:

    80   DOMRect mClientArea;

    81 };

    83 } // namespace dom

    84 } // namespace mozilla

    86 #endif // mozilla_dom_ScrollAreaEvent_h_

The Tor Browser / file revision

dom/events/ScrollAreaEvent.h@97036ab72558

dom/events/ScrollAreaEvent.h