blob: 5b72d3753fc7d2d12105b7c6c5ecdb0737c37629 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
//
// Eric Vaughan
// Netscape Communications
//
// See documentation in associated header file
//
#include "nsGridRowGroupFrame.h"
#include "nsGridRowLeafLayout.h"
#include "nsGridRow.h"
#include "nsBoxLayoutState.h"
#include "nsGridLayout2.h"
already_AddRefed<nsBoxLayout> NS_NewGridRowGroupLayout();
nsIFrame*
NS_NewGridRowGroupFrame(nsIPresShell* aPresShell,
nsStyleContext* aContext)
{
nsCOMPtr<nsBoxLayout> layout = NS_NewGridRowGroupLayout();
return new (aPresShell) nsGridRowGroupFrame(aContext, layout);
}
NS_IMPL_FRAMEARENA_HELPERS(nsGridRowGroupFrame)
/**
* This is redefined because row groups have a funny property. If they are flexible
* then their flex must be equal to the sum of their children's flexes.
*/
nscoord
nsGridRowGroupFrame::GetXULFlex()
{
// if we are flexible out flexibility is determined by our columns.
// so first get the our flex. If not 0 then our flex is the sum of
// our columns flexes.
if (!DoesNeedRecalc(mFlex))
return mFlex;
if (nsBoxFrame::GetXULFlex() == 0)
return 0;
// ok we are flexible add up our children
nscoord totalFlex = 0;
nsIFrame* child = nsBox::GetChildXULBox(this);
while (child)
{
totalFlex += child->GetXULFlex();
child = GetNextXULBox(child);
}
mFlex = totalFlex;
return totalFlex;
}
|
