/* -*- 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 "nsError.h"

#include "nsSVGAttrTearoffTable.h"

#include "nsSVGInteger.h"

#include "nsSMILValue.h"

#include "SMILIntegerType.h"

#include "SVGContentUtils.h"

using namespace mozilla;

using namespace mozilla::dom;

/* Implementation */

static nsSVGAttrTearoffTable<nsSVGInteger, nsSVGInteger::DOMAnimatedInteger>

  sSVGAnimatedIntegerTearoffTable;

nsresult

nsSVGInteger::SetBaseValueString(const nsAString &aValueAsString,

                                 nsSVGElement *aSVGElement)

{

  int32_t value;

  if (!SVGContentUtils::ParseInteger(aValueAsString, value)) {

    return NS_ERROR_DOM_SYNTAX_ERR;

  }

  mIsBaseSet = true;

  mBaseVal = value;

  if (!mIsAnimated) {

    mAnimVal = mBaseVal;

  }

  else {

    aSVGElement->AnimationNeedsResample();

  }

  return NS_OK;

}

void

nsSVGInteger::GetBaseValueString(nsAString & aValueAsString)

{

  aValueAsString.Truncate();

  aValueAsString.AppendInt(mBaseVal);

}

void

nsSVGInteger::SetBaseValue(int aValue, nsSVGElement *aSVGElement)

{

  // We can't just rely on SetParsedAttrValue (as called by DidChangeInteger)

  // detecting redundant changes since it will compare false if the existing

  // attribute value has an associated serialized version (a string value) even

  // if the integers match due to the way integers are stored in nsAttrValue.

  if (aValue == mBaseVal && mIsBaseSet) {

    return;

  }

  mBaseVal = aValue;

  mIsBaseSet = true;

  if (!mIsAnimated) {

    mAnimVal = mBaseVal;

  }

  else {

    aSVGElement->AnimationNeedsResample();

  }

  aSVGElement->DidChangeInteger(mAttrEnum);

}

void

nsSVGInteger::SetAnimValue(int aValue, nsSVGElement *aSVGElement)

{

  if (mIsAnimated && aValue == mAnimVal) {

    return;

  }

  mAnimVal = aValue;

  mIsAnimated = true;

  aSVGElement->DidAnimateInteger(mAttrEnum);

}

already_AddRefed<SVGAnimatedInteger>

nsSVGInteger::ToDOMAnimatedInteger(nsSVGElement *aSVGElement)

{

  RefPtr<DOMAnimatedInteger> domAnimatedInteger =

    sSVGAnimatedIntegerTearoffTable.GetTearoff(this);

  if (!domAnimatedInteger) {

    domAnimatedInteger = new DOMAnimatedInteger(this, aSVGElement);

    sSVGAnimatedIntegerTearoffTable.AddTearoff(this, domAnimatedInteger);

  }

  return domAnimatedInteger.forget();

}

nsSVGInteger::DOMAnimatedInteger::~DOMAnimatedInteger()

{

  sSVGAnimatedIntegerTearoffTable.RemoveTearoff(mVal);

}

UniquePtr<nsISMILAttr>

nsSVGInteger::ToSMILAttr(nsSVGElement *aSVGElement)

{

  return MakeUnique<SMILInteger>(this, aSVGElement);

}

nsresult

nsSVGInteger::SMILInteger::ValueFromString(const nsAString& aStr,

                                           const dom::SVGAnimationElement* /*aSrcElement*/,

                                           nsSMILValue& aValue,

                                           bool& aPreventCachingOfSandwich) const

{

  int32_t val;

  if (!SVGContentUtils::ParseInteger(aStr, val)) {

    return NS_ERROR_DOM_SYNTAX_ERR;

  }

  nsSMILValue smilVal(SMILIntegerType::Singleton());

  smilVal.mU.mInt = val;

  aValue = smilVal;

  aPreventCachingOfSandwich = false;

  return NS_OK;

}

nsSMILValue

nsSVGInteger::SMILInteger::GetBaseValue() const

{

  nsSMILValue val(SMILIntegerType::Singleton());

  val.mU.mInt = mVal->mBaseVal;

  return val;

}

void

nsSVGInteger::SMILInteger::ClearAnimValue()

{

  if (mVal->mIsAnimated) {

    mVal->mIsAnimated = false;

    mVal->mAnimVal = mVal->mBaseVal;

    mSVGElement->DidAnimateInteger(mVal->mAttrEnum);

  }

}

nsresult

nsSVGInteger::SMILInteger::SetAnimValue(const nsSMILValue& aValue)

{

  NS_ASSERTION(aValue.mType == SMILIntegerType::Singleton(),

               "Unexpected type to assign animated value");

  if (aValue.mType == SMILIntegerType::Singleton()) {

    mVal->SetAnimValue(int(aValue.mU.mInt), mSVGElement);

  }

  return NS_OK;

}