mirror of
https://github.com/classilla/tenfourfox.git
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84 lines
2.7 KiB
C++
84 lines
2.7 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "SMILBoolType.h"
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#include "nsSMILValue.h"
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#include "nsDebug.h"
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#include <math.h>
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namespace mozilla {
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void
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SMILBoolType::Init(nsSMILValue& aValue) const
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{
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NS_PRECONDITION(aValue.IsNull(), "Unexpected value type");
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aValue.mU.mBool = false;
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aValue.mType = this;
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}
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void
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SMILBoolType::Destroy(nsSMILValue& aValue) const
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{
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NS_PRECONDITION(aValue.mType == this, "Unexpected SMIL value");
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aValue.mU.mBool = false;
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aValue.mType = nsSMILNullType::Singleton();
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}
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nsresult
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SMILBoolType::Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const
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{
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NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types");
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NS_PRECONDITION(aDest.mType == this, "Unexpected SMIL value");
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aDest.mU.mBool = aSrc.mU.mBool;
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return NS_OK;
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}
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bool
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SMILBoolType::IsEqual(const nsSMILValue& aLeft,
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const nsSMILValue& aRight) const
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{
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NS_PRECONDITION(aLeft.mType == aRight.mType, "Incompatible SMIL types");
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NS_PRECONDITION(aLeft.mType == this, "Unexpected type for SMIL value");
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return aLeft.mU.mBool == aRight.mU.mBool;
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}
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nsresult
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SMILBoolType::Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
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uint32_t aCount) const
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{
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NS_PRECONDITION(aValueToAdd.mType == aDest.mType,
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"Trying to add invalid types");
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NS_PRECONDITION(aValueToAdd.mType == this, "Unexpected source type");
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return NS_ERROR_FAILURE; // bool values can't be added to each other
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}
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nsresult
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SMILBoolType::ComputeDistance(const nsSMILValue& aFrom,
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const nsSMILValue& aTo,
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double& aDistance) const
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{
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NS_PRECONDITION(aFrom.mType == aTo.mType,"Trying to compare different types");
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NS_PRECONDITION(aFrom.mType == this, "Unexpected source type");
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return NS_ERROR_FAILURE; // there is no concept of distance between bool values
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}
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nsresult
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SMILBoolType::Interpolate(const nsSMILValue& aStartVal,
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const nsSMILValue& aEndVal,
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double aUnitDistance,
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nsSMILValue& aResult) const
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{
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NS_PRECONDITION(aStartVal.mType == aEndVal.mType,
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"Trying to interpolate different types");
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NS_PRECONDITION(aStartVal.mType == this,
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"Unexpected types for interpolation");
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NS_PRECONDITION(aResult.mType == this, "Unexpected result type");
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return NS_ERROR_FAILURE; // bool values do not interpolate
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}
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} // namespace mozilla
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