forked from mirrors/gecko-dev
265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
112 lines
2.9 KiB
C++
112 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//
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// Eric Vaughan
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// Netscape Communications
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//
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// See documentation in associated header file
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//
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#include "nsGridCell.h"
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#include "nsFrame.h"
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#include "nsBox.h"
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#include "nsGridLayout2.h"
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nsGridCell::nsGridCell() : mBoxInColumn(nullptr), mBoxInRow(nullptr) {
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MOZ_COUNT_CTOR(nsGridCell);
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}
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nsGridCell::~nsGridCell() { MOZ_COUNT_DTOR(nsGridCell); }
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nsSize nsGridCell::GetXULPrefSize(nsBoxLayoutState& aState) {
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nsSize sum(0, 0);
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// take our 2 children and add them up.
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// we are as wide as the widest child plus its left offset
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// we are tall as the tallest child plus its top offset
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if (mBoxInColumn) {
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nsSize pref = mBoxInColumn->GetXULPrefSize(aState);
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nsBox::AddMargin(mBoxInColumn, pref);
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nsGridLayout2::AddOffset(mBoxInColumn, pref);
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nsBoxLayout::AddLargestSize(sum, pref);
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}
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if (mBoxInRow) {
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nsSize pref = mBoxInRow->GetXULPrefSize(aState);
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nsBox::AddMargin(mBoxInRow, pref);
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nsGridLayout2::AddOffset(mBoxInRow, pref);
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nsBoxLayout::AddLargestSize(sum, pref);
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}
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return sum;
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}
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nsSize nsGridCell::GetXULMinSize(nsBoxLayoutState& aState) {
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nsSize sum(0, 0);
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// take our 2 children and add them up.
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// we are as wide as the widest child plus its left offset
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// we are tall as the tallest child plus its top offset
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if (mBoxInColumn) {
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nsSize min = mBoxInColumn->GetXULMinSize(aState);
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nsBox::AddMargin(mBoxInColumn, min);
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nsGridLayout2::AddOffset(mBoxInColumn, min);
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nsBoxLayout::AddLargestSize(sum, min);
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}
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if (mBoxInRow) {
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nsSize min = mBoxInRow->GetXULMinSize(aState);
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nsBox::AddMargin(mBoxInRow, min);
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nsGridLayout2::AddOffset(mBoxInRow, min);
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nsBoxLayout::AddLargestSize(sum, min);
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}
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return sum;
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}
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nsSize nsGridCell::GetXULMaxSize(nsBoxLayoutState& aState) {
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nsSize sum(NS_INTRINSICSIZE, NS_INTRINSICSIZE);
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// take our 2 children and add them up.
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// we are as wide as the smallest child plus its left offset
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// we are tall as the shortest child plus its top offset
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if (mBoxInColumn) {
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nsSize max = mBoxInColumn->GetXULMaxSize(aState);
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nsBox::AddMargin(mBoxInColumn, max);
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nsGridLayout2::AddOffset(mBoxInColumn, max);
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nsBoxLayout::AddSmallestSize(sum, max);
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}
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if (mBoxInRow) {
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nsSize max = mBoxInRow->GetXULMaxSize(aState);
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nsBox::AddMargin(mBoxInRow, max);
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nsGridLayout2::AddOffset(mBoxInRow, max);
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nsBoxLayout::AddSmallestSize(sum, max);
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}
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return sum;
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}
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bool nsGridCell::IsXULCollapsed() {
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return ((mBoxInColumn && mBoxInColumn->IsXULCollapsed()) ||
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(mBoxInRow && mBoxInRow->IsXULCollapsed()));
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}
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