/* -*- 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 nsPageContentFrame_h___

#define nsPageContentFrame_h___

#include "mozilla/Attributes.h"

#include "mozilla/ViewportFrame.h"

class nsPageFrame;

class nsSharedPageData;

// Page frame class used by the simple page sequence frame

class nsPageContentFrame final : public mozilla::ViewportFrame

{

public:

  NS_DECL_FRAMEARENA_HELPERS(nsPageContentFrame)

  friend nsPageContentFrame* NS_NewPageContentFrame(nsIPresShell* aPresShell,

                                                    ComputedStyle* aStyle);

  friend class nsPageFrame;

  // nsIFrame

  virtual void Reflow(nsPresContext*      aPresContext,

                      ReflowOutput& aDesiredSize,

                      const ReflowInput& aReflowInput,

                      nsReflowStatus&      aStatus) override;

  virtual bool IsFrameOfType(uint32_t aFlags) const override

  {

    return ViewportFrame::IsFrameOfType(aFlags &

             ~(nsIFrame::eCanContainOverflowContainers));

  }

  virtual void SetSharedPageData(nsSharedPageData* aPD) { mPD = aPD; }

  virtual bool HasTransformGetter() const override { return true; }

  /**

   * Return our canvas frame.

   */

  void AppendDirectlyOwnedAnonBoxes(nsTArray<OwnedAnonBox>& aResult) override;

#ifdef DEBUG_FRAME_DUMP

  // Debugging

  virtual nsresult  GetFrameName(nsAString& aResult) const override;

#endif

protected:

  explicit nsPageContentFrame(ComputedStyle* aStyle)

    : ViewportFrame(aStyle, kClassID)

  {}

  nsSharedPageData*         mPD;

};

#endif /* nsPageContentFrame_h___ */