зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
3.0 KiB
C++
76 строки
3.0 KiB
C++
/* -*- 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 "SMILStringType.h"
|
|
|
|
#include "mozilla/SMILValue.h"
|
|
#include "nsDebug.h"
|
|
#include "nsString.h"
|
|
|
|
namespace mozilla {
|
|
|
|
void SMILStringType::Init(SMILValue& aValue) const {
|
|
MOZ_ASSERT(aValue.IsNull(), "Unexpected value type");
|
|
aValue.mU.mPtr = new nsString();
|
|
aValue.mType = this;
|
|
}
|
|
|
|
void SMILStringType::Destroy(SMILValue& aValue) const {
|
|
MOZ_ASSERT(aValue.mType == this, "Unexpected SMIL value");
|
|
delete static_cast<nsAString*>(aValue.mU.mPtr);
|
|
aValue.mU.mPtr = nullptr;
|
|
aValue.mType = SMILNullType::Singleton();
|
|
}
|
|
|
|
nsresult SMILStringType::Assign(SMILValue& aDest, const SMILValue& aSrc) const {
|
|
MOZ_ASSERT(aDest.mType == aSrc.mType, "Incompatible SMIL types");
|
|
MOZ_ASSERT(aDest.mType == this, "Unexpected SMIL value");
|
|
|
|
const nsAString* src = static_cast<const nsAString*>(aSrc.mU.mPtr);
|
|
nsAString* dst = static_cast<nsAString*>(aDest.mU.mPtr);
|
|
*dst = *src;
|
|
return NS_OK;
|
|
}
|
|
|
|
bool SMILStringType::IsEqual(const SMILValue& aLeft,
|
|
const SMILValue& aRight) const {
|
|
MOZ_ASSERT(aLeft.mType == aRight.mType, "Incompatible SMIL types");
|
|
MOZ_ASSERT(aLeft.mType == this, "Unexpected type for SMIL value");
|
|
|
|
const nsAString* leftString = static_cast<const nsAString*>(aLeft.mU.mPtr);
|
|
const nsAString* rightString = static_cast<nsAString*>(aRight.mU.mPtr);
|
|
return *leftString == *rightString;
|
|
}
|
|
|
|
nsresult SMILStringType::Add(SMILValue& aDest, const SMILValue& aValueToAdd,
|
|
uint32_t aCount) const {
|
|
MOZ_ASSERT(aValueToAdd.mType == aDest.mType, "Trying to add invalid types");
|
|
MOZ_ASSERT(aValueToAdd.mType == this, "Unexpected source type");
|
|
return NS_ERROR_FAILURE; // string values can't be added to each other
|
|
}
|
|
|
|
nsresult SMILStringType::ComputeDistance(const SMILValue& aFrom,
|
|
const SMILValue& aTo,
|
|
double& aDistance) const {
|
|
MOZ_ASSERT(aFrom.mType == aTo.mType, "Trying to compare different types");
|
|
MOZ_ASSERT(aFrom.mType == this, "Unexpected source type");
|
|
return NS_ERROR_FAILURE; // there is no concept of distance between string
|
|
// values
|
|
}
|
|
|
|
nsresult SMILStringType::Interpolate(const SMILValue& aStartVal,
|
|
const SMILValue& aEndVal,
|
|
double aUnitDistance,
|
|
SMILValue& aResult) const {
|
|
MOZ_ASSERT(aStartVal.mType == aEndVal.mType,
|
|
"Trying to interpolate different types");
|
|
MOZ_ASSERT(aStartVal.mType == this, "Unexpected types for interpolation");
|
|
MOZ_ASSERT(aResult.mType == this, "Unexpected result type");
|
|
return NS_ERROR_FAILURE; // string values do not interpolate
|
|
}
|
|
|
|
} // namespace mozilla
|