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-rw-r--r--layout/xul/grid/nsGridLayout2.h78
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diff --git a/layout/xul/grid/nsGridLayout2.h b/layout/xul/grid/nsGridLayout2.h
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+++ b/layout/xul/grid/nsGridLayout2.h
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 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/. */
+
+#ifndef nsGridLayout2_h___
+#define nsGridLayout2_h___
+
+#include "mozilla/Attributes.h"
+#include "nsStackLayout.h"
+#include "nsIGridPart.h"
+#include "nsCoord.h"
+#include "nsGrid.h"
+
+class nsGridRowGroupLayout;
+class nsGridRowLayout;
+class nsGridRow;
+class nsBoxLayoutState;
+
+/**
+ * The nsBoxLayout implementation for a grid.
+ */
+class nsGridLayout2 final : public nsStackLayout,
+ public nsIGridPart
+{
+public:
+
+ friend nsresult NS_NewGridLayout2(nsIPresShell* aPresShell, nsBoxLayout** aNewLayout);
+
+ NS_DECL_ISUPPORTS_INHERITED
+
+ NS_IMETHOD XULLayout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;
+ virtual void IntrinsicISizesDirty(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;
+
+ virtual nsGridRowGroupLayout* CastToRowGroupLayout() override { return nullptr; }
+ virtual nsGridLayout2* CastToGridLayout() override { return this; }
+ virtual nsGrid* GetGrid(nsIFrame* aBox, int32_t* aIndex, nsGridRowLayout* aRequestor=nullptr) override;
+ virtual nsIGridPart* GetParentGridPart(nsIFrame* aBox, nsIFrame** aParentBox) override {
+ NS_NOTREACHED("Should not be called"); return nullptr;
+ }
+ virtual nsSize GetXULMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;
+ virtual nsSize GetXULMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;
+ virtual nsSize GetXULPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) override;
+ virtual void CountRowsColumns(nsIFrame* aBox, int32_t& aRowCount, int32_t& aComputedColumnCount) override { aRowCount++; }
+ virtual void DirtyRows(nsIFrame* aBox, nsBoxLayoutState& aState) override { }
+ virtual int32_t BuildRows(nsIFrame* aBox, nsGridRow* aRows) override;
+ virtual nsMargin GetTotalMargin(nsIFrame* aBox, bool aIsHorizontal) override;
+ virtual Type GetType() override { return eGrid; }
+ virtual void ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState,
+ nsIFrame* aPrevBox,
+ const nsFrameList::Slice& aNewChildren) override;
+ virtual void ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState,
+ const nsFrameList::Slice& aNewChildren) override;
+ virtual void ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState,
+ nsIFrame* aChildList) override;
+ virtual void ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState,
+ nsIFrame* aChildList) override;
+
+ virtual nsIGridPart* AsGridPart() override { return this; }
+
+ static void AddOffset(nsIFrame* aChild, nsSize& aSize);
+
+protected:
+
+ explicit nsGridLayout2(nsIPresShell* aShell);
+ virtual ~nsGridLayout2();
+ nsGrid mGrid;
+
+private:
+ void AddWidth(nsSize& aSize, nscoord aSize2, bool aIsHorizontal);
+
+
+}; // class nsGridLayout2
+
+
+#endif
+