/* -*- 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 "mozilla/dom/CSSMediaRule.h"

#include "mozilla/dom/CSSMediaRuleBinding.h"

#include "mozilla/dom/MediaList.h"

#include "mozilla/ServoBindings.h"

namespace mozilla {

namespace dom {

CSSMediaRule::CSSMediaRule(RefPtr<RawServoMediaRule> aRawRule,

                           StyleSheet* aSheet,

                           css::Rule* aParentRule,

                           uint32_t aLine,

                           uint32_t aColumn)

  : ConditionRule(Servo_MediaRule_GetRules(aRawRule).Consume(),

                  aSheet, aParentRule, aLine, aColumn)

  , mRawRule(std::move(aRawRule))

{

}

CSSMediaRule::~CSSMediaRule()

{

  if (mMediaList) {

    mMediaList->SetStyleSheet(nullptr);

  }

}

NS_IMPL_ADDREF_INHERITED(CSSMediaRule, css::ConditionRule)

NS_IMPL_RELEASE_INHERITED(CSSMediaRule, css::ConditionRule)

// QueryInterface implementation for MediaRule

NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(CSSMediaRule)

NS_INTERFACE_MAP_END_INHERITING(css::ConditionRule)

NS_IMPL_CYCLE_COLLECTION_CLASS(CSSMediaRule)

NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(CSSMediaRule, css::ConditionRule)

  if (tmp->mMediaList) {

    tmp->mMediaList->SetStyleSheet(nullptr);

    tmp->mMediaList = nullptr;

  }

NS_IMPL_CYCLE_COLLECTION_UNLINK_END

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(CSSMediaRule, css::ConditionRule)

  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mMediaList)

NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END

/* virtual */ void

CSSMediaRule::DropSheetReference()

{

  if (mMediaList) {

    mMediaList->SetStyleSheet(nullptr);

  }

  ConditionRule::DropSheetReference();

}

#ifdef DEBUG

/* virtual */ void

CSSMediaRule::List(FILE* out, int32_t aIndent) const

{

  nsAutoCString str;

  for (int32_t i = 0; i < aIndent; i++) {

    str.AppendLiteral("  ");

  }

  Servo_MediaRule_Debug(mRawRule, &str);

  fprintf_stderr(out, "%s\n", str.get());

}

#endif

void

CSSMediaRule::GetConditionText(nsAString& aConditionText)

{

  Media()->GetMediaText(aConditionText);

}

void

CSSMediaRule::SetConditionText(const nsAString& aConditionText,

                               ErrorResult& aRv)

{

  Media()->SetMediaText(aConditionText);

}

/* virtual */ void

CSSMediaRule::GetCssText(nsAString& aCssText) const

{

  Servo_MediaRule_GetCssText(mRawRule, &aCssText);

}

/* virtual */ dom::MediaList*

CSSMediaRule::Media()

{

  if (!mMediaList) {

    mMediaList = new MediaList(Servo_MediaRule_GetMedia(mRawRule).Consume());

    mMediaList->SetStyleSheet(GetStyleSheet());

  }

  return mMediaList;

}

/* virtual */ size_t

CSSMediaRule::SizeOfIncludingThis(mozilla::MallocSizeOf aMallocSizeOf) const

{

  // TODO Implement this!

  return aMallocSizeOf(this);

}

/* virtual */ JSObject*

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

{

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

}

} // namespace dom

} // namespace mozilla