1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/layout/xul/grid/nsGridRowLeafFrame.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,97 @@
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 "nsGridRowLeafFrame.h"
1.17 +#include "nsGridRowLeafLayout.h"
1.18 +#include "nsGridRow.h"
1.19 +#include "nsBoxLayoutState.h"
1.20 +#include "nsGridLayout2.h"
1.21 +
1.22 +already_AddRefed<nsBoxLayout> NS_NewGridRowLeafLayout();
1.23 +
1.24 +nsIFrame*
1.25 +NS_NewGridRowLeafFrame(nsIPresShell* aPresShell,
1.26 + nsStyleContext* aContext)
1.27 +{
1.28 + nsCOMPtr<nsBoxLayout> layout = NS_NewGridRowLeafLayout();
1.29 + return new (aPresShell) nsGridRowLeafFrame(aPresShell, aContext, false,
1.30 + layout);
1.31 +}
1.32 +
1.33 +NS_IMPL_FRAMEARENA_HELPERS(nsGridRowLeafFrame)
1.34 +
1.35 +/*
1.36 + * Our border and padding could be affected by our columns or rows.
1.37 + * Let's go check it out.
1.38 + */
1.39 +nsresult
1.40 +nsGridRowLeafFrame::GetBorderAndPadding(nsMargin& aBorderAndPadding)
1.41 +{
1.42 + // if our columns have made our padding larger add it in.
1.43 + nsresult rv = nsBoxFrame::GetBorderAndPadding(aBorderAndPadding);
1.44 +
1.45 + nsIGridPart* part = nsGrid::GetPartFromBox(this);
1.46 + if (!part)
1.47 + return rv;
1.48 +
1.49 + int32_t index = 0;
1.50 + nsGrid* grid = part->GetGrid(this, &index);
1.51 +
1.52 + if (!grid)
1.53 + return rv;
1.54 +
1.55 + bool isHorizontal = IsHorizontal();
1.56 +
1.57 + nsBoxLayoutState state(PresContext());
1.58 +
1.59 + int32_t firstIndex = 0;
1.60 + int32_t lastIndex = 0;
1.61 + nsGridRow* firstRow = nullptr;
1.62 + nsGridRow* lastRow = nullptr;
1.63 + grid->GetFirstAndLastRow(state, firstIndex, lastIndex, firstRow, lastRow, isHorizontal);
1.64 +
1.65 + // only the first and last rows can be affected.
1.66 + if (firstRow && firstRow->GetBox() == this) {
1.67 +
1.68 + nscoord top = 0;
1.69 + nscoord bottom = 0;
1.70 + grid->GetRowOffsets(state, firstIndex, top, bottom, isHorizontal);
1.71 +
1.72 + if (isHorizontal) {
1.73 + if (top > aBorderAndPadding.top)
1.74 + aBorderAndPadding.top = top;
1.75 + } else {
1.76 + if (top > aBorderAndPadding.left)
1.77 + aBorderAndPadding.left = top;
1.78 + }
1.79 + }
1.80 +
1.81 + if (lastRow && lastRow->GetBox() == this) {
1.82 +
1.83 + nscoord top = 0;
1.84 + nscoord bottom = 0;
1.85 + grid->GetRowOffsets(state, lastIndex, top, bottom, isHorizontal);
1.86 +
1.87 + if (isHorizontal) {
1.88 + if (bottom > aBorderAndPadding.bottom)
1.89 + aBorderAndPadding.bottom = bottom;
1.90 + } else {
1.91 + if (bottom > aBorderAndPadding.right)
1.92 + aBorderAndPadding.right = bottom;
1.93 + }
1.94 +
1.95 + }
1.96 +
1.97 + return rv;
1.98 +}
1.99 +
1.100 +
