layout/xul/grid/nsGridCell.cpp

Thu, 15 Jan 2015 21:03:48 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 15 Jan 2015 21:03:48 +0100
branch
TOR_BUG_9701
changeset 11
deefc01c0e14
permissions
-rw-r--r--

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

michael@0 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0 2 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 3 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 5
michael@0 6 //
michael@0 7 // Eric Vaughan
michael@0 8 // Netscape Communications
michael@0 9 //
michael@0 10 // See documentation in associated header file
michael@0 11 //
michael@0 12
michael@0 13 #include "nsGridCell.h"
michael@0 14 #include "nsFrame.h"
michael@0 15 #include "nsBox.h"
michael@0 16 #include "nsGridLayout2.h"
michael@0 17
michael@0 18
michael@0 19 nsGridCell::nsGridCell():mBoxInColumn(nullptr),mBoxInRow(nullptr)
michael@0 20 {
michael@0 21 MOZ_COUNT_CTOR(nsGridCell);
michael@0 22 }
michael@0 23
michael@0 24 nsGridCell::~nsGridCell()
michael@0 25 {
michael@0 26 MOZ_COUNT_DTOR(nsGridCell);
michael@0 27 }
michael@0 28
michael@0 29 nsSize
michael@0 30 nsGridCell::GetPrefSize(nsBoxLayoutState& aState)
michael@0 31 {
michael@0 32 nsSize sum(0,0);
michael@0 33
michael@0 34 // take our 2 children and add them up.
michael@0 35 // we are as wide as the widest child plus its left offset
michael@0 36 // we are tall as the tallest child plus its top offset
michael@0 37
michael@0 38 if (mBoxInColumn) {
michael@0 39 nsSize pref = mBoxInColumn->GetPrefSize(aState);
michael@0 40
michael@0 41 nsBox::AddMargin(mBoxInColumn, pref);
michael@0 42 nsGridLayout2::AddOffset(aState, mBoxInColumn, pref);
michael@0 43
michael@0 44 nsBoxLayout::AddLargestSize(sum, pref);
michael@0 45 }
michael@0 46
michael@0 47 if (mBoxInRow) {
michael@0 48 nsSize pref = mBoxInRow->GetPrefSize(aState);
michael@0 49
michael@0 50 nsBox::AddMargin(mBoxInRow, pref);
michael@0 51 nsGridLayout2::AddOffset(aState, mBoxInRow, pref);
michael@0 52
michael@0 53 nsBoxLayout::AddLargestSize(sum, pref);
michael@0 54 }
michael@0 55
michael@0 56 return sum;
michael@0 57 }
michael@0 58
michael@0 59 nsSize
michael@0 60 nsGridCell::GetMinSize(nsBoxLayoutState& aState)
michael@0 61 {
michael@0 62 nsSize sum(0, 0);
michael@0 63
michael@0 64 // take our 2 children and add them up.
michael@0 65 // we are as wide as the widest child plus its left offset
michael@0 66 // we are tall as the tallest child plus its top offset
michael@0 67
michael@0 68 if (mBoxInColumn) {
michael@0 69 nsSize min = mBoxInColumn->GetMinSize(aState);
michael@0 70
michael@0 71 nsBox::AddMargin(mBoxInColumn, min);
michael@0 72 nsGridLayout2::AddOffset(aState, mBoxInColumn, min);
michael@0 73
michael@0 74 nsBoxLayout::AddLargestSize(sum, min);
michael@0 75 }
michael@0 76
michael@0 77 if (mBoxInRow) {
michael@0 78 nsSize min = mBoxInRow->GetMinSize(aState);
michael@0 79
michael@0 80 nsBox::AddMargin(mBoxInRow, min);
michael@0 81 nsGridLayout2::AddOffset(aState, mBoxInRow, min);
michael@0 82
michael@0 83 nsBoxLayout::AddLargestSize(sum, min);
michael@0 84 }
michael@0 85
michael@0 86 return sum;
michael@0 87 }
michael@0 88
michael@0 89 nsSize
michael@0 90 nsGridCell::GetMaxSize(nsBoxLayoutState& aState)
michael@0 91 {
michael@0 92 nsSize sum(NS_INTRINSICSIZE, NS_INTRINSICSIZE);
michael@0 93
michael@0 94 // take our 2 children and add them up.
michael@0 95 // we are as wide as the smallest child plus its left offset
michael@0 96 // we are tall as the shortest child plus its top offset
michael@0 97
michael@0 98 if (mBoxInColumn) {
michael@0 99 nsSize max = mBoxInColumn->GetMaxSize(aState);
michael@0 100
michael@0 101 nsBox::AddMargin(mBoxInColumn, max);
michael@0 102 nsGridLayout2::AddOffset(aState, mBoxInColumn, max);
michael@0 103
michael@0 104 nsBoxLayout::AddSmallestSize(sum, max);
michael@0 105 }
michael@0 106
michael@0 107 if (mBoxInRow) {
michael@0 108 nsSize max = mBoxInRow->GetMaxSize(aState);
michael@0 109
michael@0 110 nsBox::AddMargin(mBoxInRow, max);
michael@0 111 nsGridLayout2::AddOffset(aState, mBoxInRow, max);
michael@0 112
michael@0 113 nsBoxLayout::AddSmallestSize(sum, max);
michael@0 114 }
michael@0 115
michael@0 116 return sum;
michael@0 117 }
michael@0 118
michael@0 119
michael@0 120 bool
michael@0 121 nsGridCell::IsCollapsed()
michael@0 122 {
michael@0 123 return ((mBoxInColumn && mBoxInColumn->IsCollapsed()) ||
michael@0 124 (mBoxInRow && mBoxInRow->IsCollapsed()));
michael@0 125 }
michael@0 126
michael@0 127

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