layout/xul/grid/nsGridRowLeafFrame.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 "nsGridRowLeafFrame.h"
michael@0 14 #include "nsGridRowLeafLayout.h"
michael@0 15 #include "nsGridRow.h"
michael@0 16 #include "nsBoxLayoutState.h"
michael@0 17 #include "nsGridLayout2.h"
michael@0 18
michael@0 19 already_AddRefed<nsBoxLayout> NS_NewGridRowLeafLayout();
michael@0 20
michael@0 21 nsIFrame*
michael@0 22 NS_NewGridRowLeafFrame(nsIPresShell* aPresShell,
michael@0 23 nsStyleContext* aContext)
michael@0 24 {
michael@0 25 nsCOMPtr<nsBoxLayout> layout = NS_NewGridRowLeafLayout();
michael@0 26 return new (aPresShell) nsGridRowLeafFrame(aPresShell, aContext, false,
michael@0 27 layout);
michael@0 28 }
michael@0 29
michael@0 30 NS_IMPL_FRAMEARENA_HELPERS(nsGridRowLeafFrame)
michael@0 31
michael@0 32 /*
michael@0 33 * Our border and padding could be affected by our columns or rows.
michael@0 34 * Let's go check it out.
michael@0 35 */
michael@0 36 nsresult
michael@0 37 nsGridRowLeafFrame::GetBorderAndPadding(nsMargin& aBorderAndPadding)
michael@0 38 {
michael@0 39 // if our columns have made our padding larger add it in.
michael@0 40 nsresult rv = nsBoxFrame::GetBorderAndPadding(aBorderAndPadding);
michael@0 41
michael@0 42 nsIGridPart* part = nsGrid::GetPartFromBox(this);
michael@0 43 if (!part)
michael@0 44 return rv;
michael@0 45
michael@0 46 int32_t index = 0;
michael@0 47 nsGrid* grid = part->GetGrid(this, &index);
michael@0 48
michael@0 49 if (!grid)
michael@0 50 return rv;
michael@0 51
michael@0 52 bool isHorizontal = IsHorizontal();
michael@0 53
michael@0 54 nsBoxLayoutState state(PresContext());
michael@0 55
michael@0 56 int32_t firstIndex = 0;
michael@0 57 int32_t lastIndex = 0;
michael@0 58 nsGridRow* firstRow = nullptr;
michael@0 59 nsGridRow* lastRow = nullptr;
michael@0 60 grid->GetFirstAndLastRow(state, firstIndex, lastIndex, firstRow, lastRow, isHorizontal);
michael@0 61
michael@0 62 // only the first and last rows can be affected.
michael@0 63 if (firstRow && firstRow->GetBox() == this) {
michael@0 64
michael@0 65 nscoord top = 0;
michael@0 66 nscoord bottom = 0;
michael@0 67 grid->GetRowOffsets(state, firstIndex, top, bottom, isHorizontal);
michael@0 68
michael@0 69 if (isHorizontal) {
michael@0 70 if (top > aBorderAndPadding.top)
michael@0 71 aBorderAndPadding.top = top;
michael@0 72 } else {
michael@0 73 if (top > aBorderAndPadding.left)
michael@0 74 aBorderAndPadding.left = top;
michael@0 75 }
michael@0 76 }
michael@0 77
michael@0 78 if (lastRow && lastRow->GetBox() == this) {
michael@0 79
michael@0 80 nscoord top = 0;
michael@0 81 nscoord bottom = 0;
michael@0 82 grid->GetRowOffsets(state, lastIndex, top, bottom, isHorizontal);
michael@0 83
michael@0 84 if (isHorizontal) {
michael@0 85 if (bottom > aBorderAndPadding.bottom)
michael@0 86 aBorderAndPadding.bottom = bottom;
michael@0 87 } else {
michael@0 88 if (bottom > aBorderAndPadding.right)
michael@0 89 aBorderAndPadding.right = bottom;
michael@0 90 }
michael@0 91
michael@0 92 }
michael@0 93
michael@0 94 return rv;
michael@0 95 }
michael@0 96
michael@0 97

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