void SVGSMILElement::connectConditions()
{
if (m_conditionsConnected)
disconnectConditions();
m_conditionsConnected = true;
for (unsigned n = 0; n < m_conditions.size(); ++n) {
Condition& condition = m_conditions[n];
if (condition.m_type == Condition::EventBase) {
ASSERT(!condition.m_syncbase);
Element* eventBase = eventBaseFor(condition);
if (!eventBase)
continue;
ASSERT(!condition.m_eventListener);
condition.m_eventListener = ConditionEventListener::create(this, &condition);
eventBase->addEventListener(condition.m_name, condition.m_eventListener, false);
} else if (condition.m_type == Condition::Syncbase) {
ASSERT(!condition.m_baseID.isEmpty());
condition.m_syncbase = treeScope()->getElementById(condition.m_baseID);
if (!isSMILElement(condition.m_syncbase.get())) {
condition.m_syncbase = 0;
continue;
}
SVGSMILElement* syncbase = static_cast<SVGSMILElement*>(condition.m_syncbase.get());
syncbase->addTimeDependent(this);
}
}
}
void SVGAElement::defaultEventHandler(Event* evt)
{
if (isLink() && (evt->type() == clickEvent || (evt->type() == keydownEvent && focused()))) {
MouseEvent* e = 0;
if (evt->type() == clickEvent && evt->isMouseEvent())
e = static_cast<MouseEvent*>(evt);
KeyboardEvent* k = 0;
if (evt->type() == keydownEvent && evt->isKeyboardEvent())
k = static_cast<KeyboardEvent*>(evt);
if (e && e->button() == RightButton) {
SVGStyledTransformableElement::defaultEventHandler(evt);
return;
}
if (k) {
if (k->keyIdentifier() != "Enter") {
SVGStyledTransformableElement::defaultEventHandler(evt);
return;
}
evt->setDefaultHandled();
dispatchSimulatedClick(evt);
return;
}
String target = this->target();
if (e && e->button() == MiddleButton)
target = "_blank";
else if (target.isEmpty()) // if target is empty, default to "_self" or use xlink:target if set
target = (getAttribute(XLinkNames::showAttr) == "new") ? "_blank" : "_self";
if (!evt->defaultPrevented()) {
String url = parseURL(href());
#if ENABLE(SVG_ANIMATION)
if (url.startsWith("#")) {
Element* targetElement = document()->getElementById(url.substring(1));
if (SVGSMILElement::isSMILElement(targetElement)) {
SVGSMILElement* timed = static_cast<SVGSMILElement*>(targetElement);
timed->beginByLinkActivation();
evt->setDefaultHandled();
SVGStyledTransformableElement::defaultEventHandler(evt);
return;
}
}
#endif
if (document()->frame())
document()->frame()->loader()->urlSelected(document()->completeURL(url), target, evt, false, true);
}
evt->setDefaultHandled();
}
SVGStyledTransformableElement::defaultEventHandler(evt);
}
void SVGSMILElement::notifyDependentsIntervalChanged(NewOrExistingInterval newOrExisting)
{
ASSERT(m_intervalBegin.isFinite());
DEFINE_STATIC_LOCAL(HashSet<SVGSMILElement*>, loopBreaker, ());
if (loopBreaker.contains(this))
return;
loopBreaker.add(this);
TimeDependentSet::iterator end = m_timeDependents.end();
for (TimeDependentSet::iterator it = m_timeDependents.begin(); it != end; ++it) {
SVGSMILElement* dependent = *it;
dependent->createInstanceTimesFromSyncbase(this, newOrExisting);
}
loopBreaker.remove(this);
}
void SVGSMILElement::connectSyncBaseConditions()
{
if (m_syncBaseConditionsConnected)
disconnectSyncBaseConditions();
m_syncBaseConditionsConnected = true;
for (unsigned n = 0; n < m_conditions.size(); ++n) {
Condition* condition = m_conditions[n].get();
if (condition->getType() == Condition::Syncbase) {
ASSERT(!condition->baseID().isEmpty());
Element* element = treeScope().getElementById(AtomicString(condition->baseID()));
if (!element || !isSVGSMILElement(*element)) {
condition->setSyncBase(0);
continue;
}
SVGSMILElement* svgSMILElement = toSVGSMILElement(element);
condition->setSyncBase(svgSMILElement);
svgSMILElement->addSyncBaseDependent(this);
}
}
}
void SMILTimeContainer::updateAnimations(SMILTime elapsed, bool seekToTime)
{
SMILTime earliestFireTime = SMILTime::unresolved();
#ifndef NDEBUG
// This boolean will catch any attempts to schedule/unschedule scheduledAnimations during this critical section.
// Similarly, any elements removed will unschedule themselves, so this will catch modification of animationsToApply.
m_preventScheduledAnimationsChanges = true;
#endif
AnimationsVector animationsToApply;
GroupedAnimationsMap::iterator end = m_scheduledAnimations.end();
for (GroupedAnimationsMap::iterator it = m_scheduledAnimations.begin(); it != end; ++it) {
AnimationsVector* scheduled = it->second;
// Sort according to priority. Elements with later begin time have higher priority.
// In case of a tie, document order decides.
// FIXME: This should also consider timing relationships between the elements. Dependents
// have higher priority.
sortByPriority(*scheduled, elapsed);
SVGSMILElement* resultElement = 0;
unsigned size = scheduled->size();
for (unsigned n = 0; n < size; n++) {
SVGSMILElement* animation = scheduled->at(n);
ASSERT(animation->timeContainer() == this);
ASSERT(animation->targetElement());
ASSERT(animation->hasValidAttributeName());
// Results are accumulated to the first animation that animates and contributes to a particular element/attribute pair.
if (!resultElement) {
if (!animation->hasValidAttributeType())
continue;
resultElement = animation;
}
// This will calculate the contribution from the animation and add it to the resultsElement.
if (!animation->progress(elapsed, resultElement, seekToTime) && resultElement == animation)
resultElement = 0;
SMILTime nextFireTime = animation->nextProgressTime();
if (nextFireTime.isFinite())
earliestFireTime = min(nextFireTime, earliestFireTime);
}
if (resultElement)
animationsToApply.append(resultElement);
}
unsigned animationsToApplySize = animationsToApply.size();
if (!animationsToApplySize) {
#ifndef NDEBUG
m_preventScheduledAnimationsChanges = false;
#endif
startTimer(earliestFireTime, animationFrameDelay);
return;
}
// Apply results to target elements.
for (unsigned i = 0; i < animationsToApplySize; ++i)
animationsToApply[i]->applyResultsToTarget();
#ifndef NDEBUG
m_preventScheduledAnimationsChanges = false;
#endif
startTimer(earliestFireTime, animationFrameDelay);
Document::updateStyleForAllDocuments();
}
void SMILTimeContainer::updateAnimations(SMILTime elapsed, double nextManualSampleTime, const String& nextSamplingTarget)
{
SMILTime earliersFireTime = SMILTime::unresolved();
Vector<SVGSMILElement*> toAnimate;
copyToVector(m_scheduledAnimations, toAnimate);
if (nextManualSampleTime) {
SMILTime samplingDiff;
for (unsigned n = 0; n < toAnimate.size(); ++n) {
SVGSMILElement* animation = toAnimate[n];
ASSERT(animation->timeContainer() == this);
SVGElement* targetElement = animation->targetElement();
// FIXME: This should probably be using getIdAttribute instead of idForStyleResolution.
if (!targetElement || !targetElement->hasID() || targetElement->idForStyleResolution() != nextSamplingTarget)
continue;
samplingDiff = animation->intervalBegin();
break;
}
elapsed = SMILTime(nextManualSampleTime) + samplingDiff;
}
// Sort according to priority. Elements with later begin time have higher priority.
// In case of a tie, document order decides.
// FIXME: This should also consider timing relationships between the elements. Dependents
// have higher priority.
sortByPriority(toAnimate, elapsed);
// Calculate animation contributions.
typedef HashMap<ElementAttributePair, RefPtr<SVGSMILElement> > ResultElementMap;
ResultElementMap resultsElements;
for (unsigned n = 0; n < toAnimate.size(); ++n) {
SVGSMILElement* animation = toAnimate[n];
ASSERT(animation->timeContainer() == this);
SVGElement* targetElement = animation->targetElement();
if (!targetElement)
continue;
QualifiedName attributeName = animation->attributeName();
if (attributeName == anyQName()) {
if (animation->hasTagName(SVGNames::animateMotionTag))
attributeName = SVGNames::animateMotionTag;
else
continue;
}
// Results are accumulated to the first animation that animates a particular element/attribute pair.
ElementAttributePair key(targetElement, attributeName);
SVGSMILElement* resultElement = resultsElements.get(key).get();
if (!resultElement) {
if (!animation->hasValidAttributeType())
continue;
resultElement = animation;
resultElement->resetToBaseValue(baseValueFor(key));
resultsElements.add(key, resultElement);
}
// This will calculate the contribution from the animation and add it to the resultsElement.
animation->progress(elapsed, resultElement);
SMILTime nextFireTime = animation->nextProgressTime();
if (nextFireTime.isFinite())
earliersFireTime = min(nextFireTime, earliersFireTime);
}
Vector<SVGSMILElement*> animationsToApply;
ResultElementMap::iterator end = resultsElements.end();
for (ResultElementMap::iterator it = resultsElements.begin(); it != end; ++it)
animationsToApply.append(it->second.get());
// Sort <animateTranform> to be the last one to be applied. <animate> may change transform attribute as
// well (directly or indirectly by modifying <use> x/y) and this way transforms combine properly.
sortByApplyOrder(animationsToApply);
// Apply results to target elements.
for (unsigned n = 0; n < animationsToApply.size(); ++n)
animationsToApply[n]->applyResultsToTarget();
startTimer(earliersFireTime, animationFrameDelay);
Document::updateStyleForAllDocuments();
}
void SMILTimeContainer::updateAnimations(SMILTime elapsed, bool seekToTime)
{
SMILTime earliersFireTime = SMILTime::unresolved();
Vector<SVGSMILElement*> toAnimate;
copyToVector(m_scheduledAnimations, toAnimate);
// Sort according to priority. Elements with later begin time have higher priority.
// In case of a tie, document order decides.
// FIXME: This should also consider timing relationships between the elements. Dependents
// have higher priority.
sortByPriority(toAnimate, elapsed);
// Calculate animation contributions.
typedef pair<SVGElement*, QualifiedName> ElementAttributePair;
typedef HashMap<ElementAttributePair, RefPtr<SVGSMILElement> > ResultElementMap;
ResultElementMap resultsElements;
HashSet<SVGSMILElement*> contributingElements;
for (unsigned n = 0; n < toAnimate.size(); ++n) {
SVGSMILElement* animation = toAnimate[n];
ASSERT(animation->timeContainer() == this);
SVGElement* targetElement = animation->targetElement();
if (!targetElement)
continue;
QualifiedName attributeName = animation->attributeName();
if (attributeName == anyQName()) {
if (animation->hasTagName(SVGNames::animateMotionTag))
attributeName = SVGNames::animateMotionTag;
else
continue;
}
// Results are accumulated to the first animation that animates and contributes to a particular element/attribute pair.
ElementAttributePair key(targetElement, attributeName);
SVGSMILElement* resultElement = resultsElements.get(key).get();
bool accumulatedResultElement = false;
if (!resultElement) {
if (!animation->hasValidAttributeType())
continue;
resultElement = animation;
resultsElements.add(key, resultElement);
accumulatedResultElement = true;
}
// This will calculate the contribution from the animation and add it to the resultsElement.
if (animation->progress(elapsed, resultElement, seekToTime))
contributingElements.add(resultElement);
else if (accumulatedResultElement)
resultsElements.remove(key);
SMILTime nextFireTime = animation->nextProgressTime();
if (nextFireTime.isFinite())
earliersFireTime = min(nextFireTime, earliersFireTime);
}
Vector<SVGSMILElement*> animationsToApply;
ResultElementMap::iterator end = resultsElements.end();
for (ResultElementMap::iterator it = resultsElements.begin(); it != end; ++it) {
SVGSMILElement* animation = it->second.get();
if (contributingElements.contains(animation))
animationsToApply.append(animation);
}
unsigned animationsToApplySize = animationsToApply.size();
if (!animationsToApplySize) {
startTimer(earliersFireTime, animationFrameDelay);
return;
}
// Sort <animateTranform> to be the last one to be applied. <animate> may change transform attribute as
// well (directly or indirectly by modifying <use> x/y) and this way transforms combine properly.
sortByApplyOrder(animationsToApply);
// Apply results to target elements.
for (unsigned i = 0; i < animationsToApplySize; ++i)
animationsToApply[i]->applyResultsToTarget();
startTimer(earliersFireTime, animationFrameDelay);
Document::updateStyleForAllDocuments();
}
void ConditionEventListener::handleEvent(ExecutionContext*, Event* event)
{
if (!m_animation)
return;
m_animation->handleConditionEvent(event, m_condition);
}
void SMILTimeContainer::updateAnimations(SMILTime elapsed, bool seekToTime)
{
SMILTime earliestFireTime = SMILTime::unresolved();
#ifndef NDEBUG
// This boolean will catch any attempts to schedule/unschedule scheduledAnimations during this critical section.
// Similarly, any elements removed will unschedule themselves, so this will catch modification of animationsToApply.
m_preventScheduledAnimationsChanges = true;
#endif
if (m_documentOrderIndexesDirty)
updateDocumentOrderIndexes();
Vector<RefPtr<SVGSMILElement> > animationsToApply;
GroupedAnimationsMap::iterator end = m_scheduledAnimations.end();
for (GroupedAnimationsMap::iterator it = m_scheduledAnimations.begin(); it != end; ++it) {
AnimationsVector* scheduled = it->value.get();
// Sort according to priority. Elements with later begin time have higher priority.
// In case of a tie, document order decides.
// FIXME: This should also consider timing relationships between the elements. Dependents
// have higher priority.
std::sort(scheduled->begin(), scheduled->end(), PriorityCompare(elapsed));
SVGSMILElement* resultElement = 0;
unsigned size = scheduled->size();
for (unsigned n = 0; n < size; n++) {
SVGSMILElement* animation = scheduled->at(n);
ASSERT(animation->timeContainer() == this);
ASSERT(animation->targetElement());
ASSERT(animation->hasValidAttributeName());
// Results are accumulated to the first animation that animates and contributes to a particular element/attribute pair.
// FIXME: we should ensure that resultElement is of an appropriate type.
if (!resultElement) {
if (!animation->hasValidAttributeType())
continue;
resultElement = animation;
}
// This will calculate the contribution from the animation and add it to the resultsElement.
if (!animation->progress(elapsed, resultElement, seekToTime) && resultElement == animation)
resultElement = 0;
SMILTime nextFireTime = animation->nextProgressTime();
if (nextFireTime.isFinite())
earliestFireTime = min(nextFireTime, earliestFireTime);
}
if (resultElement)
animationsToApply.append(resultElement);
}
std::sort(animationsToApply.begin(), animationsToApply.end(), PriorityCompare(elapsed));
unsigned animationsToApplySize = animationsToApply.size();
if (!animationsToApplySize) {
#ifndef NDEBUG
m_preventScheduledAnimationsChanges = false;
#endif
scheduleAnimationFrame(earliestFireTime);
return;
}
// Apply results to target elements.
for (unsigned i = 0; i < animationsToApplySize; ++i)
animationsToApply[i]->applyResultsToTarget();
#ifndef NDEBUG
m_preventScheduledAnimationsChanges = false;
#endif
scheduleAnimationFrame(earliestFireTime);
for (unsigned i = 0; i < animationsToApplySize; ++i) {
if (animationsToApply[i]->inDocument() && animationsToApply[i]->isSVGDiscardElement()) {
RefPtr<SVGSMILElement> animDiscard = animationsToApply[i];
RefPtr<SVGElement> targetElement = animDiscard->targetElement();
if (targetElement && targetElement->inDocument()) {
targetElement->remove(IGNORE_EXCEPTION);
ASSERT(!targetElement->inDocument());
}
if (animDiscard->inDocument()) {
animDiscard->remove(IGNORE_EXCEPTION);
ASSERT(!animDiscard->inDocument());
}
}
}
}
SMILTime SMILTimeContainer::updateAnimations(SMILTime elapsed, bool seekToTime)
{
SMILTime earliestFireTime = SMILTime::unresolved();
#if ENABLE(ASSERT)
// This boolean will catch any attempts to schedule/unschedule scheduledAnimations during this critical section.
// Similarly, any elements removed will unschedule themselves, so this will catch modification of animationsToApply.
m_preventScheduledAnimationsChanges = true;
#endif
if (m_documentOrderIndexesDirty)
updateDocumentOrderIndexes();
WillBeHeapHashSet<ElementAttributePair> invalidKeys;
using AnimationsVector = WillBeHeapVector<RefPtrWillBeMember<SVGSMILElement>>;
AnimationsVector animationsToApply;
for (const auto& entry : m_scheduledAnimations) {
if (!entry.key.first || entry.value->isEmpty()) {
invalidKeys.add(entry.key);
continue;
}
AnimationsLinkedHashSet* scheduled = entry.value.get();
// Sort according to priority. Elements with later begin time have higher priority.
// In case of a tie, document order decides.
// FIXME: This should also consider timing relationships between the elements. Dependents
// have higher priority.
AnimationsVector scheduledAnimations;
copyToVector(*scheduled, scheduledAnimations);
std::sort(scheduledAnimations.begin(), scheduledAnimations.end(), PriorityCompare(elapsed));
SVGSMILElement* resultElement = nullptr;
for (const auto& itAnimation : scheduledAnimations) {
SVGSMILElement* animation = itAnimation.get();
ASSERT(animation->timeContainer() == this);
ASSERT(animation->targetElement());
ASSERT(animation->hasValidAttributeName());
// Results are accumulated to the first animation that animates and contributes to a particular element/attribute pair.
// FIXME: we should ensure that resultElement is of an appropriate type.
if (!resultElement) {
if (!animation->hasValidAttributeType())
continue;
resultElement = animation;
}
// This will calculate the contribution from the animation and add it to the resultsElement.
if (!animation->progress(elapsed, resultElement, seekToTime) && resultElement == animation)
resultElement = nullptr;
SMILTime nextFireTime = animation->nextProgressTime();
if (nextFireTime.isFinite())
earliestFireTime = std::min(nextFireTime, earliestFireTime);
}
if (resultElement)
animationsToApply.append(resultElement);
}
m_scheduledAnimations.removeAll(invalidKeys);
std::sort(animationsToApply.begin(), animationsToApply.end(), PriorityCompare(elapsed));
unsigned animationsToApplySize = animationsToApply.size();
if (!animationsToApplySize) {
#if ENABLE(ASSERT)
m_preventScheduledAnimationsChanges = false;
#endif
return earliestFireTime;
}
// Apply results to target elements.
for (unsigned i = 0; i < animationsToApplySize; ++i)
animationsToApply[i]->applyResultsToTarget();
#if ENABLE(ASSERT)
m_preventScheduledAnimationsChanges = false;
#endif
for (unsigned i = 0; i < animationsToApplySize; ++i) {
if (animationsToApply[i]->inDocument() && animationsToApply[i]->isSVGDiscardElement()) {
RefPtrWillBeRawPtr<SVGSMILElement> animDiscard = animationsToApply[i];
RefPtrWillBeRawPtr<SVGElement> targetElement = animDiscard->targetElement();
if (targetElement && targetElement->inDocument()) {
targetElement->remove(IGNORE_EXCEPTION);
ASSERT(!targetElement->inDocument());
}
if (animDiscard->inDocument()) {
animDiscard->remove(IGNORE_EXCEPTION);
ASSERT(!animDiscard->inDocument());
}
}
}
return earliestFireTime;
}