/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
 * met:
 *
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 * notice, this list of conditions and the following disclaimer.
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 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 */

#include "config.h"
#include "core/animation/AnimatableLengthBox.h"

namespace WebCore {

PassRefPtr<AnimatableValue> AnimatableLengthBox::interpolateTo(const AnimatableValue* value, double fraction) const
{
    const AnimatableLengthBox* lengthBox = toAnimatableLengthBox(value);
    return AnimatableLengthBox::create(
        AnimatableValue::interpolate(this->left(), lengthBox->left(), fraction),
        AnimatableValue::interpolate(this->right(), lengthBox->right(), fraction),
        AnimatableValue::interpolate(this->top(), lengthBox->top(), fraction),
        AnimatableValue::interpolate(this->bottom(), lengthBox->bottom(), fraction));
}

PassRefPtr<AnimatableValue> AnimatableLengthBox::addWith(const AnimatableValue* value) const
{
    const AnimatableLengthBox* lengthBox = toAnimatableLengthBox(value);
    return AnimatableLengthBox::create(
        AnimatableValue::add(this->left(), lengthBox->left()),
        AnimatableValue::add(this->right(), lengthBox->right()),
        AnimatableValue::add(this->top(), lengthBox->top()),
        AnimatableValue::add(this->bottom(), lengthBox->bottom()));
}

bool AnimatableLengthBox::equalTo(const AnimatableValue* value) const
{
    const AnimatableLengthBox* lengthBox = toAnimatableLengthBox(value);
    return left()->equals(lengthBox->left())
        && right()->equals(lengthBox->right())
        && top()->equals(lengthBox->top())
        && bottom()->equals(lengthBox->bottom());
}

}