1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/xul/grid/nsGridCell.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,127 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +//
1.10 +// Eric Vaughan
1.11 +// Netscape Communications
1.12 +//
1.13 +// See documentation in associated header file
1.14 +//
1.15 +
1.16 +#include "nsGridCell.h"
1.17 +#include "nsFrame.h"
1.18 +#include "nsBox.h"
1.19 +#include "nsGridLayout2.h"
1.20 +
1.21 +
1.22 +nsGridCell::nsGridCell():mBoxInColumn(nullptr),mBoxInRow(nullptr)
1.23 +{
1.24 + MOZ_COUNT_CTOR(nsGridCell);
1.25 +}
1.26 +
1.27 +nsGridCell::~nsGridCell()
1.28 +{
1.29 + MOZ_COUNT_DTOR(nsGridCell);
1.30 +}
1.31 +
1.32 +nsSize
1.33 +nsGridCell::GetPrefSize(nsBoxLayoutState& aState)
1.34 +{
1.35 + nsSize sum(0,0);
1.36 +
1.37 + // take our 2 children and add them up.
1.38 + // we are as wide as the widest child plus its left offset
1.39 + // we are tall as the tallest child plus its top offset
1.40 +
1.41 + if (mBoxInColumn) {
1.42 + nsSize pref = mBoxInColumn->GetPrefSize(aState);
1.43 +
1.44 + nsBox::AddMargin(mBoxInColumn, pref);
1.45 + nsGridLayout2::AddOffset(aState, mBoxInColumn, pref);
1.46 +
1.47 + nsBoxLayout::AddLargestSize(sum, pref);
1.48 + }
1.49 +
1.50 + if (mBoxInRow) {
1.51 + nsSize pref = mBoxInRow->GetPrefSize(aState);
1.52 +
1.53 + nsBox::AddMargin(mBoxInRow, pref);
1.54 + nsGridLayout2::AddOffset(aState, mBoxInRow, pref);
1.55 +
1.56 + nsBoxLayout::AddLargestSize(sum, pref);
1.57 + }
1.58 +
1.59 + return sum;
1.60 +}
1.61 +
1.62 +nsSize
1.63 +nsGridCell::GetMinSize(nsBoxLayoutState& aState)
1.64 +{
1.65 + nsSize sum(0, 0);
1.66 +
1.67 + // take our 2 children and add them up.
1.68 + // we are as wide as the widest child plus its left offset
1.69 + // we are tall as the tallest child plus its top offset
1.70 +
1.71 + if (mBoxInColumn) {
1.72 + nsSize min = mBoxInColumn->GetMinSize(aState);
1.73 +
1.74 + nsBox::AddMargin(mBoxInColumn, min);
1.75 + nsGridLayout2::AddOffset(aState, mBoxInColumn, min);
1.76 +
1.77 + nsBoxLayout::AddLargestSize(sum, min);
1.78 + }
1.79 +
1.80 + if (mBoxInRow) {
1.81 + nsSize min = mBoxInRow->GetMinSize(aState);
1.82 +
1.83 + nsBox::AddMargin(mBoxInRow, min);
1.84 + nsGridLayout2::AddOffset(aState, mBoxInRow, min);
1.85 +
1.86 + nsBoxLayout::AddLargestSize(sum, min);
1.87 + }
1.88 +
1.89 + return sum;
1.90 +}
1.91 +
1.92 +nsSize
1.93 +nsGridCell::GetMaxSize(nsBoxLayoutState& aState)
1.94 +{
1.95 + nsSize sum(NS_INTRINSICSIZE, NS_INTRINSICSIZE);
1.96 +
1.97 + // take our 2 children and add them up.
1.98 + // we are as wide as the smallest child plus its left offset
1.99 + // we are tall as the shortest child plus its top offset
1.100 +
1.101 + if (mBoxInColumn) {
1.102 + nsSize max = mBoxInColumn->GetMaxSize(aState);
1.103 +
1.104 + nsBox::AddMargin(mBoxInColumn, max);
1.105 + nsGridLayout2::AddOffset(aState, mBoxInColumn, max);
1.106 +
1.107 + nsBoxLayout::AddSmallestSize(sum, max);
1.108 + }
1.109 +
1.110 + if (mBoxInRow) {
1.111 + nsSize max = mBoxInRow->GetMaxSize(aState);
1.112 +
1.113 + nsBox::AddMargin(mBoxInRow, max);
1.114 + nsGridLayout2::AddOffset(aState, mBoxInRow, max);
1.115 +
1.116 + nsBoxLayout::AddSmallestSize(sum, max);
1.117 + }
1.118 +
1.119 + return sum;
1.120 +}
1.121 +
1.122 +
1.123 +bool
1.124 +nsGridCell::IsCollapsed()
1.125 +{
1.126 + return ((mBoxInColumn && mBoxInColumn->IsCollapsed()) ||
1.127 + (mBoxInRow && mBoxInRow->IsCollapsed()));
1.128 +}
1.129 +
1.130 +
