The Tor Browser / file comparison
comparison: layout/xul/grid/nsGridCell.cpp
layout/xul/grid/nsGridCell.cpp
- changeset 0
- 6474c204b198
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| -1:000000000000 | 0:66f913c199e9 |
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| 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/. */ | |
| 5 | |
| 6 // | |
| 7 // Eric Vaughan | |
| 8 // Netscape Communications | |
| 9 // | |
| 10 // See documentation in associated header file | |
| 11 // | |
| 12 | |
| 13 #include "nsGridCell.h" | |
| 14 #include "nsFrame.h" | |
| 15 #include "nsBox.h" | |
| 16 #include "nsGridLayout2.h" | |
| 17 | |
| 18 | |
| 19 nsGridCell::nsGridCell():mBoxInColumn(nullptr),mBoxInRow(nullptr) | |
| 20 { | |
| 21 MOZ_COUNT_CTOR(nsGridCell); | |
| 22 } | |
| 23 | |
| 24 nsGridCell::~nsGridCell() | |
| 25 { | |
| 26 MOZ_COUNT_DTOR(nsGridCell); | |
| 27 } | |
| 28 | |
| 29 nsSize | |
| 30 nsGridCell::GetPrefSize(nsBoxLayoutState& aState) | |
| 31 { | |
| 32 nsSize sum(0,0); | |
| 33 | |
| 34 // take our 2 children and add them up. | |
| 35 // we are as wide as the widest child plus its left offset | |
| 36 // we are tall as the tallest child plus its top offset | |
| 37 | |
| 38 if (mBoxInColumn) { | |
| 39 nsSize pref = mBoxInColumn->GetPrefSize(aState); | |
| 40 | |
| 41 nsBox::AddMargin(mBoxInColumn, pref); | |
| 42 nsGridLayout2::AddOffset(aState, mBoxInColumn, pref); | |
| 43 | |
| 44 nsBoxLayout::AddLargestSize(sum, pref); | |
| 45 } | |
| 46 | |
| 47 if (mBoxInRow) { | |
| 48 nsSize pref = mBoxInRow->GetPrefSize(aState); | |
| 49 | |
| 50 nsBox::AddMargin(mBoxInRow, pref); | |
| 51 nsGridLayout2::AddOffset(aState, mBoxInRow, pref); | |
| 52 | |
| 53 nsBoxLayout::AddLargestSize(sum, pref); | |
| 54 } | |
| 55 | |
| 56 return sum; | |
| 57 } | |
| 58 | |
| 59 nsSize | |
| 60 nsGridCell::GetMinSize(nsBoxLayoutState& aState) | |
| 61 { | |
| 62 nsSize sum(0, 0); | |
| 63 | |
| 64 // take our 2 children and add them up. | |
| 65 // we are as wide as the widest child plus its left offset | |
| 66 // we are tall as the tallest child plus its top offset | |
| 67 | |
| 68 if (mBoxInColumn) { | |
| 69 nsSize min = mBoxInColumn->GetMinSize(aState); | |
| 70 | |
| 71 nsBox::AddMargin(mBoxInColumn, min); | |
| 72 nsGridLayout2::AddOffset(aState, mBoxInColumn, min); | |
| 73 | |
| 74 nsBoxLayout::AddLargestSize(sum, min); | |
| 75 } | |
| 76 | |
| 77 if (mBoxInRow) { | |
| 78 nsSize min = mBoxInRow->GetMinSize(aState); | |
| 79 | |
| 80 nsBox::AddMargin(mBoxInRow, min); | |
| 81 nsGridLayout2::AddOffset(aState, mBoxInRow, min); | |
| 82 | |
| 83 nsBoxLayout::AddLargestSize(sum, min); | |
| 84 } | |
| 85 | |
| 86 return sum; | |
| 87 } | |
| 88 | |
| 89 nsSize | |
| 90 nsGridCell::GetMaxSize(nsBoxLayoutState& aState) | |
| 91 { | |
| 92 nsSize sum(NS_INTRINSICSIZE, NS_INTRINSICSIZE); | |
| 93 | |
| 94 // take our 2 children and add them up. | |
| 95 // we are as wide as the smallest child plus its left offset | |
| 96 // we are tall as the shortest child plus its top offset | |
| 97 | |
| 98 if (mBoxInColumn) { | |
| 99 nsSize max = mBoxInColumn->GetMaxSize(aState); | |
| 100 | |
| 101 nsBox::AddMargin(mBoxInColumn, max); | |
| 102 nsGridLayout2::AddOffset(aState, mBoxInColumn, max); | |
| 103 | |
| 104 nsBoxLayout::AddSmallestSize(sum, max); | |
| 105 } | |
| 106 | |
| 107 if (mBoxInRow) { | |
| 108 nsSize max = mBoxInRow->GetMaxSize(aState); | |
| 109 | |
| 110 nsBox::AddMargin(mBoxInRow, max); | |
| 111 nsGridLayout2::AddOffset(aState, mBoxInRow, max); | |
| 112 | |
| 113 nsBoxLayout::AddSmallestSize(sum, max); | |
| 114 } | |
| 115 | |
| 116 return sum; | |
| 117 } | |
| 118 | |
| 119 | |
| 120 bool | |
| 121 nsGridCell::IsCollapsed() | |
| 122 { | |
| 123 return ((mBoxInColumn && mBoxInColumn->IsCollapsed()) || | |
| 124 (mBoxInRow && mBoxInRow->IsCollapsed())); | |
| 125 } | |
| 126 | |
| 127 |
