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-rw-r--r--layout/xul/SimpleXULLeafFrame.cpp37
1 files changed, 37 insertions, 0 deletions
diff --git a/layout/xul/SimpleXULLeafFrame.cpp b/layout/xul/SimpleXULLeafFrame.cpp
new file mode 100644
index 0000000000..96b3d81762
--- /dev/null
+++ b/layout/xul/SimpleXULLeafFrame.cpp
@@ -0,0 +1,37 @@
+
+/* -*- 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/. */
+
+#include "SimpleXULLeafFrame.h"
+#include "mozilla/PresShell.h"
+
+nsIFrame* NS_NewSimpleXULLeafFrame(mozilla::PresShell* aPresShell,
+ mozilla::ComputedStyle* aStyle) {
+ return new (aPresShell)
+ mozilla::SimpleXULLeafFrame(aStyle, aPresShell->GetPresContext());
+}
+
+namespace mozilla {
+
+NS_IMPL_FRAMEARENA_HELPERS(SimpleXULLeafFrame)
+
+void SimpleXULLeafFrame::Reflow(nsPresContext* aPresContext,
+ ReflowOutput& aDesiredSize,
+ const ReflowInput& aReflowInput,
+ nsReflowStatus& aStatus) {
+ MarkInReflow();
+ MOZ_ASSERT(aStatus.IsEmpty(), "Caller should pass a fresh reflow status!");
+ const auto wm = GetWritingMode();
+ const auto& bp = aReflowInput.ComputedLogicalBorderPadding(wm);
+ aDesiredSize.ISize(wm) = bp.IStartEnd(wm) + aReflowInput.ComputedISize();
+ aDesiredSize.BSize(wm) =
+ bp.BStartEnd(wm) + (aReflowInput.ComputedBSize() == NS_UNCONSTRAINEDSIZE
+ ? aReflowInput.ComputedMinBSize()
+ : aReflowInput.ComputedBSize());
+ aDesiredSize.SetOverflowAreasToDesiredBounds();
+}
+
+} // namespace mozilla