1 files changed, 95 insertions, 0 deletions
diff --git a/layout/xul/nsLeafBoxFrame.h b/layout/xul/nsLeafBoxFrame.h
new file mode 100644
index 000000000..8aea598c8
--- /dev/null
+++ b/layout/xul/nsLeafBoxFrame.h
@@ -0,0 +1,95 @@
+/* -*- 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 nsLeafBoxFrame_h___
+#define nsLeafBoxFrame_h___
+
+#include "mozilla/Attributes.h"
+#include "nsLeafFrame.h"
+#include "nsBox.h"
+
+class nsLeafBoxFrame : public nsLeafFrame
+{
+public:
+  NS_DECL_FRAMEARENA_HELPERS
+
+  friend nsIFrame* NS_NewLeafBoxFrame(nsIPresShell* aPresShell, nsStyleContext* aContext);
+
+  virtual nsSize GetXULPrefSize(nsBoxLayoutState& aState) override;
+  virtual nsSize GetXULMinSize(nsBoxLayoutState& aState) override;
+  virtual nsSize GetXULMaxSize(nsBoxLayoutState& aState) override;
+  virtual nscoord GetXULFlex() override;
+  virtual nscoord GetXULBoxAscent(nsBoxLayoutState& aState) override;
+
+  virtual nsIAtom* GetType() const override;
+  virtual bool IsFrameOfType(uint32_t aFlags) const override
+  {
+    // This is bogus, but it's what we've always done.
+    // Note that nsLeafFrame is also eReplacedContainsBlock.
+    return nsLeafFrame::IsFrameOfType(aFlags &
+      ~(nsIFrame::eReplaced | nsIFrame::eReplacedContainsBlock | nsIFrame::eXULBox));
+  }
+
+#ifdef DEBUG_FRAME_DUMP
+  virtual nsresult GetFrameName(nsAString& aResult) const override;
+#endif
+
+  // nsIHTMLReflow overrides
+
+  virtual void MarkIntrinsicISizesDirty() override;
+  virtual nscoord GetMinISize(nsRenderingContext *aRenderingContext) override;
+  virtual nscoord GetPrefISize(nsRenderingContext *aRenderingContext) override;
+
+  // Our auto size is that provided by nsFrame, not nsLeafFrame
+  virtual mozilla::LogicalSize
+  ComputeAutoSize(nsRenderingContext*         aRenderingContext,
+                  mozilla::WritingMode        aWM,
+                  const mozilla::LogicalSize& aCBSize,
+                  nscoord                     aAvailableISize,
+                  const mozilla::LogicalSize& aMargin,
+                  const mozilla::LogicalSize& aBorder,
+                  const mozilla::LogicalSize& aPadding,
+                  ComputeSizeFlags            aFlags) override;
+
+  virtual void Reflow(nsPresContext*           aPresContext,
+                      ReflowOutput&     aDesiredSize,
+                      const ReflowInput& aReflowInput,
+                      nsReflowStatus&          aStatus) override;
+
+  virtual nsresult CharacterDataChanged(CharacterDataChangeInfo* aInfo) override;
+
+  virtual void Init(nsIContent*       aContent,
+                    nsContainerFrame* aParent,
+                    nsIFrame*         asPrevInFlow) override;
+
+  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
+                                const nsRect&           aDirtyRect,
+                                const nsDisplayListSet& aLists) override;
+
+  virtual nsresult AttributeChanged(int32_t aNameSpaceID,
+                                    nsIAtom* aAttribute,
+                                    int32_t aModType) override;
+
+  virtual bool ComputesOwnOverflowArea() override { return false; }
+
+protected:
+
+  NS_IMETHOD DoXULLayout(nsBoxLayoutState& aState) override;
+
+#ifdef DEBUG_LAYOUT
+  virtual void GetBoxName(nsAutoString& aName) override;
+#endif
+
+  virtual nscoord GetIntrinsicISize() override;
+
+ explicit nsLeafBoxFrame(nsStyleContext* aContext);
+
+private:
+
+ void UpdateMouseThrough();
+
+
+}; // class nsLeafBoxFrame
+
+#endif /* nsLeafBoxFrame_h___ */