forked from mirrors/gecko-dev
d37b7ed878
--HG-- rename : dom/smil/nsSMILTypes.h => dom/smil/SMILTypes.h rename : dom/smil/nsSMILValue.cpp => dom/smil/SMILValue.cpp rename : dom/smil/nsSMILValue.h => dom/smil/SMILValue.h
69 lines
2.6 KiB
C++
69 lines
2.6 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 "SMILEnumType.h"
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#include "mozilla/SMILValue.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 SMILEnumType::Init(SMILValue& aValue) const {
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MOZ_ASSERT(aValue.IsNull(), "Unexpected value type");
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aValue.mU.mUint = 0;
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aValue.mType = this;
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}
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void SMILEnumType::Destroy(SMILValue& aValue) const {
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MOZ_ASSERT(aValue.mType == this, "Unexpected SMIL value");
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aValue.mU.mUint = 0;
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aValue.mType = SMILNullType::Singleton();
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}
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nsresult SMILEnumType::Assign(SMILValue& aDest, const SMILValue& aSrc) const {
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MOZ_ASSERT(aDest.mType == aSrc.mType, "Incompatible SMIL types");
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MOZ_ASSERT(aDest.mType == this, "Unexpected SMIL value");
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aDest.mU.mUint = aSrc.mU.mUint;
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return NS_OK;
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}
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bool SMILEnumType::IsEqual(const SMILValue& aLeft,
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const SMILValue& aRight) const {
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MOZ_ASSERT(aLeft.mType == aRight.mType, "Incompatible SMIL types");
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MOZ_ASSERT(aLeft.mType == this, "Unexpected type for SMIL value");
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return aLeft.mU.mUint == aRight.mU.mUint;
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}
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nsresult SMILEnumType::Add(SMILValue& aDest, const SMILValue& aValueToAdd,
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uint32_t aCount) const {
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MOZ_ASSERT(aValueToAdd.mType == aDest.mType, "Trying to add invalid types");
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MOZ_ASSERT(aValueToAdd.mType == this, "Unexpected source type");
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return NS_ERROR_FAILURE; // enum values can't be added to each other
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}
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nsresult SMILEnumType::ComputeDistance(const SMILValue& aFrom,
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const SMILValue& aTo,
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double& aDistance) const {
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MOZ_ASSERT(aFrom.mType == aTo.mType, "Trying to compare different types");
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MOZ_ASSERT(aFrom.mType == this, "Unexpected source type");
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return NS_ERROR_FAILURE; // there is no concept of distance between enum
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// values
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}
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nsresult SMILEnumType::Interpolate(const SMILValue& aStartVal,
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const SMILValue& aEndVal,
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double aUnitDistance,
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SMILValue& aResult) const {
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MOZ_ASSERT(aStartVal.mType == aEndVal.mType,
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"Trying to interpolate different types");
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MOZ_ASSERT(aStartVal.mType == this, "Unexpected types for interpolation");
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MOZ_ASSERT(aResult.mType == this, "Unexpected result type");
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return NS_ERROR_FAILURE; // enum values do not interpolate
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}
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} // namespace mozilla
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