The Tor Browser: layout/xul/nsBoxLayout.cpp@ac0c01689b40

Implement a real Private Browsing Mode condition by changing the API/ABI;
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 //

     7 // Eric Vaughan

     8 // Netscape Communications

     9 //

    10 // See documentation in associated header file

    11 //

    13 #include "nsBox.h"

    14 #include "nsCOMPtr.h"

    15 #include "nsContainerFrame.h"

    16 #include "nsBoxLayout.h"

    18 void

    19 nsBoxLayout::AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize)

    20 {

    21   nsBox::AddBorderAndPadding(aBox, aSize);

    22 }

    24 void

    25 nsBoxLayout::AddMargin(nsIFrame* aBox, nsSize& aSize)

    26 {

    27   nsBox::AddMargin(aBox, aSize);

    28 }

    30 void

    31 nsBoxLayout::AddMargin(nsSize& aSize, const nsMargin& aMargin)

    32 {

    33   nsBox::AddMargin(aSize, aMargin);

    34 }

    36 nsSize

    37 nsBoxLayout::GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)

    38 {

    39   nsSize pref (0, 0);

    40   AddBorderAndPadding(aBox, pref);

    42   return pref;

    43 }

    45 nsSize

    46 nsBoxLayout::GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)

    47 {

    48   nsSize minSize (0,0);

    49   AddBorderAndPadding(aBox, minSize);

    50   return minSize;

    51 }

    53 nsSize

    54 nsBoxLayout::GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)

    55 {

    56   //AddBorderAndPadding () never changes maxSize (NS_INTRINSICSIZE)

    57   //AddBorderAndPadding(aBox, maxSize);

    58   return nsSize (NS_INTRINSICSIZE,NS_INTRINSICSIZE);

    59 }

    62 nscoord

    63 nsBoxLayout::GetAscent(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)

    64 {

    65   return 0;

    66 }

    68 NS_IMETHODIMP

    69 nsBoxLayout::Layout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState)

    70 {

    71   return NS_OK;

    72 }

    74 void

    75 nsBoxLayout::AddLargestSize(nsSize& aSize, const nsSize& aSize2)

    76 {

    77   if (aSize2.width > aSize.width)

    78      aSize.width = aSize2.width;

    80   if (aSize2.height > aSize.height)

    81      aSize.height = aSize2.height;

    82 }

    84 void

    85 nsBoxLayout::AddSmallestSize(nsSize& aSize, const nsSize& aSize2)

    86 {

    87   if (aSize2.width < aSize.width)

    88      aSize.width = aSize2.width;

    90   if (aSize2.height < aSize.height)

    91      aSize.height = aSize2.height;

    92 }

    94 NS_IMPL_ISUPPORTS(nsBoxLayout, nsBoxLayout)

The Tor Browser / file revision

layout/xul/nsBoxLayout.cpp@ac0c01689b40

layout/xul/nsBoxLayout.cpp