1 files changed, 74 insertions, 0 deletions
diff --git a/layout/xul/nsBoxLayout.cpp b/layout/xul/nsBoxLayout.cpp
new file mode 100644
index 0000000000..81ee41103f
--- /dev/null
+++ b/layout/xul/nsBoxLayout.cpp
@@ -0,0 +1,74 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//
+// Eric Vaughan
+// Netscape Communications
+//
+// See documentation in associated header file
+//
+
+#include "nsCOMPtr.h"
+#include "nsContainerFrame.h"
+#include "nsBoxLayout.h"
+
+void nsBoxLayout::AddXULBorderAndPadding(nsIFrame* aBox, nsSize& aSize) {
+  nsIFrame::AddXULBorderAndPadding(aBox, aSize);
+}
+
+void nsBoxLayout::AddXULMargin(nsIFrame* aChild, nsSize& aSize) {
+  nsIFrame::AddXULMargin(aChild, aSize);
+}
+
+void nsBoxLayout::AddXULMargin(nsSize& aSize, const nsMargin& aMargin) {
+  nsIFrame::AddXULMargin(aSize, aMargin);
+}
+
+nsSize nsBoxLayout::GetXULPrefSize(nsIFrame* aBox,
+                                   nsBoxLayoutState& aBoxLayoutState) {
+  nsSize pref(0, 0);
+  AddXULBorderAndPadding(aBox, pref);
+
+  return pref;
+}
+
+nsSize nsBoxLayout::GetXULMinSize(nsIFrame* aBox,
+                                  nsBoxLayoutState& aBoxLayoutState) {
+  nsSize minSize(0, 0);
+  AddXULBorderAndPadding(aBox, minSize);
+  return minSize;
+}
+
+nsSize nsBoxLayout::GetXULMaxSize(nsIFrame* aBox,
+                                  nsBoxLayoutState& aBoxLayoutState) {
+  // AddXULBorderAndPadding () never changes maxSize (NS_UNCONSTRAINEDSIZE)
+  // AddXULBorderAndPadding(aBox, maxSize);
+  return nsSize(NS_UNCONSTRAINEDSIZE, NS_UNCONSTRAINEDSIZE);
+}
+
+nscoord nsBoxLayout::GetAscent(nsIFrame* aBox,
+                               nsBoxLayoutState& aBoxLayoutState) {
+  return 0;
+}
+
+NS_IMETHODIMP
+nsBoxLayout::XULLayout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) {
+  return NS_OK;
+}
+
+void nsBoxLayout::AddLargestSize(nsSize& aSize, const nsSize& aSize2) {
+  if (aSize2.width > aSize.width) aSize.width = aSize2.width;
+
+  if (aSize2.height > aSize.height) aSize.height = aSize2.height;
+}
+
+void nsBoxLayout::AddSmallestSize(nsSize& aSize, const nsSize& aSize2) {
+  if (aSize2.width < aSize.width) aSize.width = aSize2.width;
+
+  if (aSize2.height < aSize.height) aSize.height = aSize2.height;
+}
+
+NS_IMPL_ISUPPORTS(nsBoxLayout, nsBoxLayout)