зеркало из https://github.com/mozilla/gecko-dev.git
64 строки
1.9 KiB
C++
64 строки
1.9 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 "nsSMILNullType.h"
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#include "nsSMILValue.h"
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#include "nsDebug.h"
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/*static*/ nsSMILNullType*
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nsSMILNullType::Singleton()
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{
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static nsSMILNullType sSingleton;
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return &sSingleton;
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}
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nsresult
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nsSMILNullType::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(aSrc.mType == this, "Unexpected source type");
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aDest.mU = aSrc.mU;
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aDest.mType = Singleton();
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return NS_OK;
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}
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bool
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nsSMILNullType::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 true; // All null-typed values are equivalent.
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}
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nsresult
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nsSMILNullType::Add(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
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uint32_t aCount) const
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{
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NS_NOTREACHED("Adding NULL type");
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return NS_ERROR_FAILURE;
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}
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nsresult
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nsSMILNullType::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_NOTREACHED("Computing distance for NULL type");
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return NS_ERROR_FAILURE;
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}
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nsresult
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nsSMILNullType::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_NOTREACHED("Interpolating NULL type");
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return NS_ERROR_FAILURE;
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}
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