mirror of
https://github.com/classilla/tenfourfox.git
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185 lines
4.3 KiB
C++
185 lines
4.3 KiB
C++
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/* -*- 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 "nsError.h"
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#include "nsSVGAttrTearoffTable.h"
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#include "nsSVGBoolean.h"
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#include "nsSMILValue.h"
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#include "SMILBoolType.h"
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#include "SVGAnimatedBoolean.h"
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using namespace mozilla;
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using namespace mozilla::dom;
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/* Implementation */
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static inline
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nsSVGAttrTearoffTable<nsSVGBoolean, SVGAnimatedBoolean>&
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SVGAnimatedBooleanTearoffTable()
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{
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static nsSVGAttrTearoffTable<nsSVGBoolean, SVGAnimatedBoolean>
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sSVGAnimatedBooleanTearoffTable;
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return sSVGAnimatedBooleanTearoffTable;
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}
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static bool
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GetValueFromString(const nsAString& aValueAsString,
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bool& aValue)
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{
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if (aValueAsString.EqualsLiteral("true")) {
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aValue = true;
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return true;
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}
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if (aValueAsString.EqualsLiteral("false")) {
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aValue = false;
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return true;
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}
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return false;
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}
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static nsresult
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GetValueFromAtom(const nsIAtom* aValueAsAtom, bool *aValue)
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{
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if (aValueAsAtom == nsGkAtoms::_true) {
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*aValue = true;
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return NS_OK;
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}
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if (aValueAsAtom == nsGkAtoms::_false) {
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*aValue = false;
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return NS_OK;
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}
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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nsresult
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nsSVGBoolean::SetBaseValueAtom(const nsIAtom* aValue, nsSVGElement *aSVGElement)
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{
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bool val = false;
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nsresult rv = GetValueFromAtom(aValue, &val);
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if (NS_FAILED(rv)) {
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return rv;
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}
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mBaseVal = val;
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if (!mIsAnimated) {
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mAnimVal = mBaseVal;
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}
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else {
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aSVGElement->AnimationNeedsResample();
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}
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// We don't need to call DidChange* here - we're only called by
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// nsSVGElement::ParseAttribute under Element::SetAttr,
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// which takes care of notifying.
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return NS_OK;
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}
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nsIAtom*
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nsSVGBoolean::GetBaseValueAtom() const
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{
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return mBaseVal ? nsGkAtoms::_true : nsGkAtoms::_false;
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}
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void
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nsSVGBoolean::SetBaseValue(bool aValue, nsSVGElement *aSVGElement)
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{
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if (aValue == mBaseVal) {
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return;
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}
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mBaseVal = aValue;
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if (!mIsAnimated) {
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mAnimVal = mBaseVal;
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} else {
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aSVGElement->AnimationNeedsResample();
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}
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aSVGElement->DidChangeBoolean(mAttrEnum);
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}
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void
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nsSVGBoolean::SetAnimValue(bool aValue, nsSVGElement *aSVGElement)
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{
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if (mIsAnimated && mAnimVal == aValue) {
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return;
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}
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mAnimVal = aValue;
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mIsAnimated = true;
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aSVGElement->DidAnimateBoolean(mAttrEnum);
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}
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already_AddRefed<SVGAnimatedBoolean>
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nsSVGBoolean::ToDOMAnimatedBoolean(nsSVGElement* aSVGElement)
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{
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RefPtr<SVGAnimatedBoolean> domAnimatedBoolean =
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SVGAnimatedBooleanTearoffTable().GetTearoff(this);
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if (!domAnimatedBoolean) {
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domAnimatedBoolean = new SVGAnimatedBoolean(this, aSVGElement);
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SVGAnimatedBooleanTearoffTable().AddTearoff(this, domAnimatedBoolean);
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}
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return domAnimatedBoolean.forget();
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}
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SVGAnimatedBoolean::~SVGAnimatedBoolean()
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{
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SVGAnimatedBooleanTearoffTable().RemoveTearoff(mVal);
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}
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nsISMILAttr*
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nsSVGBoolean::ToSMILAttr(nsSVGElement *aSVGElement)
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{
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return new SMILBool(this, aSVGElement);
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}
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nsresult
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nsSVGBoolean::SMILBool::ValueFromString(const nsAString& aStr,
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const SVGAnimationElement* /*aSrcElement*/,
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nsSMILValue& aValue,
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bool& aPreventCachingOfSandwich) const
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{
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bool value;
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if (!GetValueFromString(aStr, value)) {
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return NS_ERROR_DOM_SYNTAX_ERR;
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}
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nsSMILValue val(SMILBoolType::Singleton());
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val.mU.mBool = value;
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aValue = val;
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aPreventCachingOfSandwich = false;
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return NS_OK;
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}
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nsSMILValue
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nsSVGBoolean::SMILBool::GetBaseValue() const
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{
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nsSMILValue val(SMILBoolType::Singleton());
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val.mU.mBool = mVal->mBaseVal;
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return val;
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}
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void
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nsSVGBoolean::SMILBool::ClearAnimValue()
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{
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if (mVal->mIsAnimated) {
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mVal->mIsAnimated = false;
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mVal->mAnimVal = mVal->mBaseVal;
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mSVGElement->DidAnimateBoolean(mVal->mAttrEnum);
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}
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}
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nsresult
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nsSVGBoolean::SMILBool::SetAnimValue(const nsSMILValue& aValue)
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{
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NS_ASSERTION(aValue.mType == SMILBoolType::Singleton(),
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"Unexpected type to assign animated value");
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if (aValue.mType == SMILBoolType::Singleton()) {
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mVal->SetAnimValue(uint16_t(aValue.mU.mBool), mSVGElement);
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}
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return NS_OK;
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}
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