import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

layout/tables/FixedTableLayoutStrategy.h

@@ -0,0 +1,40 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+// vim:cindent:ts=2:et:sw=2:
+/* 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/. */
+
+/*
+ * Algorithms that determine column and table isizes used for CSS2's
+ * 'table-layout: fixed'.
+ */
+
+#ifndef FixedTableLayoutStrategy_h_
+#define FixedTableLayoutStrategy_h_
+
+#include "mozilla/Attributes.h"
+#include "nsITableLayoutStrategy.h"
+
+class nsTableFrame;
+
+class FixedTableLayoutStrategy : public nsITableLayoutStrategy
+{
+public:
+  explicit FixedTableLayoutStrategy(nsTableFrame *aTableFrame);
+  virtual ~FixedTableLayoutStrategy();
+
+  // nsITableLayoutStrategy implementation
+  virtual nscoord GetMinISize(nsRenderingContext* aRenderingContext) override;
+  virtual nscoord GetPrefISize(nsRenderingContext* aRenderingContext,
+                               bool aComputingSize) override;
+  virtual void MarkIntrinsicISizesDirty() override;
+  virtual void ComputeColumnISizes(const ReflowInput& aReflowInput)
+               override;
+
+private:
+  nsTableFrame *mTableFrame;
+  nscoord mMinISize;
+  nscoord mLastCalcISize;
+};
+
+#endif /* !defined(FixedTableLayoutStrategy_h_) */