mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
92 lines
3.0 KiB
C++
92 lines
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 "nsSMILValue.h"
|
|
#include "nsDebug.h"
|
|
#include "nsString.h"
|
|
|
|
namespace mozilla {
|
|
|
|
void
|
|
SMILStringType::Init(nsSMILValue& aValue) const
|
|
{
|
|
NS_PRECONDITION(aValue.IsNull(), "Unexpected value type");
|
|
aValue.mU.mPtr = new nsString();
|
|
aValue.mType = this;
|
|
}
|
|
|
|
void
|
|
SMILStringType::Destroy(nsSMILValue& aValue) const
|
|
{
|
|
NS_PRECONDITION(aValue.mType == this, "Unexpected SMIL value");
|
|
delete static_cast<nsAString*>(aValue.mU.mPtr);
|
|
aValue.mU.mPtr = nullptr;
|
|
aValue.mType = nsSMILNullType::Singleton();
|
|
}
|
|
|
|
nsresult
|
|
SMILStringType::Assign(nsSMILValue& aDest, const nsSMILValue& aSrc) const
|
|
{
|
|
NS_PRECONDITION(aDest.mType == aSrc.mType, "Incompatible SMIL types");
|
|
NS_PRECONDITION(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 nsSMILValue& aLeft,
|
|
const nsSMILValue& aRight) const
|
|
{
|
|
NS_PRECONDITION(aLeft.mType == aRight.mType, "Incompatible SMIL types");
|
|
NS_PRECONDITION(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(nsSMILValue& aDest, const nsSMILValue& aValueToAdd,
|
|
uint32_t aCount) const
|
|
{
|
|
NS_PRECONDITION(aValueToAdd.mType == aDest.mType,
|
|
"Trying to add invalid types");
|
|
NS_PRECONDITION(aValueToAdd.mType == this, "Unexpected source type");
|
|
return NS_ERROR_FAILURE; // string values can't be added to each other
|
|
}
|
|
|
|
nsresult
|
|
SMILStringType::ComputeDistance(const nsSMILValue& aFrom,
|
|
const nsSMILValue& aTo,
|
|
double& aDistance) const
|
|
{
|
|
NS_PRECONDITION(aFrom.mType == aTo.mType,"Trying to compare different types");
|
|
NS_PRECONDITION(aFrom.mType == this, "Unexpected source type");
|
|
return NS_ERROR_FAILURE; // there is no concept of distance between string values
|
|
}
|
|
|
|
nsresult
|
|
SMILStringType::Interpolate(const nsSMILValue& aStartVal,
|
|
const nsSMILValue& aEndVal,
|
|
double aUnitDistance,
|
|
nsSMILValue& aResult) const
|
|
{
|
|
NS_PRECONDITION(aStartVal.mType == aEndVal.mType,
|
|
"Trying to interpolate different types");
|
|
NS_PRECONDITION(aStartVal.mType == this,
|
|
"Unexpected types for interpolation");
|
|
NS_PRECONDITION(aResult.mType == this, "Unexpected result type");
|
|
return NS_ERROR_FAILURE; // string values do not interpolate
|
|
}
|
|
|
|
} // namespace mozilla
|