/* -*- 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/. */

#include "Flex.h"

#include "FlexLine.h"

#include "mozilla/dom/FlexBinding.h"

#include "nsFlexContainerFrame.h"

namespace mozilla {

namespace dom {

NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(Flex, mParent, mLines)

NS_IMPL_CYCLE_COLLECTING_ADDREF(Flex)

NS_IMPL_CYCLE_COLLECTING_RELEASE(Flex)

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(Flex)

  NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY

  NS_INTERFACE_MAP_ENTRY(nsISupports)

NS_INTERFACE_MAP_END

Flex::Flex(Element* aParent,

           nsFlexContainerFrame* aFrame)

  : mParent(aParent)

{

  MOZ_ASSERT(aFrame,

    "Should never be instantiated with a null nsFlexContainerFrame");

  // Eagerly create property values from aFrame, because we're not

  // going to keep it around.

  const ComputedFlexContainerInfo* containerInfo =

    aFrame->GetFlexContainerInfo();

  MOZ_ASSERT(containerInfo, "Should only be passed a frame with info.");

  mLines.SetLength(containerInfo->mLines.Length());

  uint32_t index = 0;

  for (auto&& l : containerInfo->mLines) {

    FlexLine* line = new FlexLine(this, &l);

    mLines.ElementAt(index) = line;

    index++;

  }

}

JSObject*

Flex::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)

{

  return Flex_Binding::Wrap(aCx, this, aGivenProto);

}

void

Flex::GetLines(nsTArray<RefPtr<FlexLine>>& aResult)

{

  aResult.AppendElements(mLines);

}

} // namespace dom

} // namespace mozilla