/* -*- 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 mozilla_dom_FlexLine_h

#define mozilla_dom_FlexLine_h

#include "mozilla/dom/FlexBinding.h"

#include "nsISupports.h"

#include "nsWrapperCache.h"

struct ComputedFlexLineInfo;

namespace mozilla {

namespace dom {

class Flex;

class FlexItem;

class FlexLine : public nsISupports

               , public nsWrapperCache

{

public:

  explicit FlexLine(Flex* aParent,

                    const ComputedFlexLineInfo* aLine);

protected:

  virtual ~FlexLine() = default;

public:

  NS_DECL_CYCLE_COLLECTING_ISUPPORTS

  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(FlexLine)

  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;

  Flex* GetParentObject()

  {

    return mParent;

  }

  FlexLineGrowthState GrowthState() const;

  double CrossStart() const;

  double CrossSize() const;

  double FirstBaselineOffset() const;

  double LastBaselineOffset() const;

  void GetItems(nsTArray<RefPtr<FlexItem>>& aResult);

protected:

  RefPtr<Flex> mParent;

  FlexLineGrowthState mGrowthState;

  double mCrossStart;

  double mCrossSize;

  double mFirstBaselineOffset;

  double mLastBaselineOffset;

  nsTArray<RefPtr<FlexItem>> mItems;

};

} // namespace dom

} // namespace mozilla

#endif /* mozilla_dom_FlexLine_h */