layout/mathml/nsMathMLmphantomFrame.cpp

Tue, 06 Jan 2015 21:39:09 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Tue, 06 Jan 2015 21:39:09 +0100
branch
TOR_BUG_9701
changeset 8
97036ab72558
permissions
-rw-r--r--

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/. */
     7 #include "nsMathMLmphantomFrame.h"
     8 #include "mozilla/gfx/2D.h"
    10 //
    11 // <mphantom> -- make content invisible but preserve its size
    12 //
    14 nsIFrame*
    15 NS_NewMathMLmphantomFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
    16 {
    17   return new (aPresShell) nsMathMLmphantomFrame(aContext);
    18 }
    20 NS_IMPL_FRAMEARENA_HELPERS(nsMathMLmphantomFrame)
    22 nsMathMLmphantomFrame::~nsMathMLmphantomFrame()
    23 {
    24 }
    26 NS_IMETHODIMP
    27 nsMathMLmphantomFrame::InheritAutomaticData(nsIFrame* aParent)
    28 {
    29   // let the base class get the default from our parent
    30   nsMathMLContainerFrame::InheritAutomaticData(aParent);
    32   mPresentationData.flags |= NS_MATHML_STRETCH_ALL_CHILDREN_VERTICALLY;
    34   return NS_OK;
    35 }

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