/* -*- 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/. */

#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(nsLeafBoxFrame)

  friend nsIFrame* NS_NewLeafBoxFrame(nsIPresShell* aPresShell, ComputedStyle* aStyle);

  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 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(gfxContext *aRenderingContext) override;

  virtual nscoord GetPrefISize(gfxContext *aRenderingContext) override;

  // Our auto size is that provided by nsFrame, not nsLeafFrame

  virtual mozilla::LogicalSize

  ComputeAutoSize(gfxContext*                 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(const CharacterDataChangeInfo&) override;

  virtual void Init(nsIContent*       aContent,

                    nsContainerFrame* aParent,

                    nsIFrame*         asPrevInFlow) override;

  virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,

                                const nsDisplayListSet& aLists) override;

  virtual nsresult AttributeChanged(int32_t aNameSpaceID,

                                    nsAtom* aAttribute,

                                    int32_t aModType) override;

  virtual bool ComputesOwnOverflowArea() override { return false; }

protected:

  NS_IMETHOD DoXULLayout(nsBoxLayoutState& aState) override;

  virtual nscoord GetIntrinsicISize() override;

  explicit nsLeafBoxFrame(ComputedStyle* aStyle, ClassID aID = kClassID)

    : nsLeafFrame(aStyle, aID)

  {}

private:

 void UpdateMouseThrough();

}; // class nsLeafBoxFrame

#endif /* nsLeafBoxFrame_h___ */