The Tor Browser: content/media/TextTrackRegion.cpp@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 /* vim:set ts=2 sw=2 et tw=78: */

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

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

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

     7 #include "mozilla/dom/TextTrackRegion.h"

     8 #include "mozilla/dom/VTTRegionBinding.h"

    10 namespace mozilla {

    11 namespace dom {

    13 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE_1(TextTrackRegion, mParent)

    14 NS_IMPL_CYCLE_COLLECTING_ADDREF(TextTrackRegion)

    15 NS_IMPL_CYCLE_COLLECTING_RELEASE(TextTrackRegion)

    16 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(TextTrackRegion)

    17   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY

    18   NS_INTERFACE_MAP_ENTRY(nsISupports)

    19 NS_INTERFACE_MAP_END

    21 JSObject*

    22 TextTrackRegion::WrapObject(JSContext* aCx)

    23 {

    24   return VTTRegionBinding::Wrap(aCx, this);

    25 }

    27 already_AddRefed<TextTrackRegion>

    28 TextTrackRegion::Constructor(const GlobalObject& aGlobal, ErrorResult& aRv)

    29 {

    30   nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(aGlobal.GetAsSupports());

    31   if (!window) {

    32     aRv.Throw(NS_ERROR_FAILURE);

    33     return nullptr;

    34   }

    36   nsRefPtr<TextTrackRegion> region = new TextTrackRegion(aGlobal.GetAsSupports());

    37   return region.forget();

    38 }

    40 TextTrackRegion::TextTrackRegion(nsISupports* aGlobal)

    41   : mParent(aGlobal)

    42   , mWidth(100)

    43   , mLines(3)

    44   , mRegionAnchorX(0)

    45   , mRegionAnchorY(100)

    46   , mViewportAnchorX(0)

    47   , mViewportAnchorY(100)

    48 {

    49   SetIsDOMBinding();

    50 }

    52 void

    53 TextTrackRegion::CopyValues(TextTrackRegion& aRegion)

    54 {

    55   mWidth = aRegion.Width();

    56   mLines = aRegion.Lines();

    57   mRegionAnchorX = aRegion.RegionAnchorX();

    58   mRegionAnchorY = aRegion.RegionAnchorY();

    59   mViewportAnchorX = aRegion.ViewportAnchorX();

    60   mViewportAnchorY = aRegion.ViewportAnchorY();

    61   mScroll = aRegion.Scroll();

    62 }

    64 } //namespace dom

    65 } //namespace mozilla

The Tor Browser / file revision

content/media/TextTrackRegion.cpp@97036ab72558

content/media/TextTrackRegion.cpp