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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /layout/xul/tree/nsTreeColFrame.h
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'layout/xul/tree/nsTreeColFrame.h')
-rw-r--r--layout/xul/tree/nsTreeColFrame.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/layout/xul/tree/nsTreeColFrame.h b/layout/xul/tree/nsTreeColFrame.h
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+++ b/layout/xul/tree/nsTreeColFrame.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/. */
+
+#include "mozilla/Attributes.h"
+#include "nsBoxFrame.h"
+
+class nsITreeBoxObject;
+
+nsIFrame* NS_NewTreeColFrame(nsIPresShell* aPresShell,
+ nsStyleContext* aContext);
+
+class nsTreeColFrame : public nsBoxFrame
+{
+public:
+ NS_DECL_FRAMEARENA_HELPERS
+
+ explicit nsTreeColFrame(nsStyleContext* aContext):
+ nsBoxFrame(aContext) {}
+
+ virtual void Init(nsIContent* aContent,
+ nsContainerFrame* aParent,
+ nsIFrame* aPrevInFlow) override;
+
+ virtual void DestroyFrom(nsIFrame* aDestructRoot) override;
+
+ virtual void BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
+ const nsRect& aDirtyRect,
+ const nsDisplayListSet& aLists) override;
+
+ virtual nsresult AttributeChanged(int32_t aNameSpaceID,
+ nsIAtom* aAttribute,
+ int32_t aModType) override;
+
+ virtual void SetXULBounds(nsBoxLayoutState& aBoxLayoutState, const nsRect& aRect,
+ bool aRemoveOverflowArea = false) override;
+
+ friend nsIFrame* NS_NewTreeColFrame(nsIPresShell* aPresShell,
+ nsStyleContext* aContext);
+
+protected:
+ virtual ~nsTreeColFrame();
+
+ /**
+ * @return the tree box object of the tree this column belongs to, or nullptr.
+ */
+ nsITreeBoxObject* GetTreeBoxObject();
+
+ /**
+ * Helper method that gets the nsITreeColumns object this column belongs to
+ * and calls InvalidateColumns() on it.
+ */
+ void InvalidateColumns(bool aCanWalkFrameTree = true);
+};