bool EventPath::updateTouchLists(const TouchEvent& touchEvent)
{
if (!touchEvent.touches() || !touchEvent.targetTouches() || !touchEvent.changedTouches())
return false;
Vector<EventRelatedNodeResolver, 16> touchTargetResolvers;
const size_t touchNodeCount = touchEvent.touches()->length() + touchEvent.targetTouches()->length() + touchEvent.changedTouches()->length();
touchTargetResolvers.reserveInitialCapacity(touchNodeCount);
addRelatedNodeResolversForTouchList(touchTargetResolvers, touchEvent.touches(), TouchEventContext::Touches);
addRelatedNodeResolversForTouchList(touchTargetResolvers, touchEvent.targetTouches(), TouchEventContext::TargetTouches);
addRelatedNodeResolversForTouchList(touchTargetResolvers, touchEvent.changedTouches(), TouchEventContext::ChangedTouches);
ASSERT(touchTargetResolvers.size() == touchNodeCount);
for (auto& eventPath : m_path) {
TouchEventContext& context = toTouchEventContext(*eventPath);
Node& nodeToMoveTo = *context.node();
for (size_t resolverIndex = 0; resolverIndex < touchNodeCount; ++resolverIndex) {
EventRelatedNodeResolver& currentResolver = touchTargetResolvers[resolverIndex];
Node* nodeInCurrentTreeScope = currentResolver.moveToParentOrShadowHost(nodeToMoveTo);
ASSERT(currentResolver.touch());
context.touchList(currentResolver.touchListType())->append(currentResolver.touch()->cloneWithNewTarget(nodeInCurrentTreeScope));
}
}
return true;
}
void EventRetargeter::adjustForTouchEvent(Node* node, const TouchEvent& touchEvent, EventPath& eventPath)
{
size_t eventPathSize = eventPath.size();
EventPathTouchLists eventPathTouches(eventPathSize);
EventPathTouchLists eventPathTargetTouches(eventPathSize);
EventPathTouchLists eventPathChangedTouches(eventPathSize);
for (size_t i = 0; i < eventPathSize; ++i) {
ASSERT(eventPath[i]->isTouchEventContext());
TouchEventContext* touchEventContext = toTouchEventContext(eventPath[i].get());
eventPathTouches[i] = touchEventContext->touches();
eventPathTargetTouches[i] = touchEventContext->targetTouches();
eventPathChangedTouches[i] = touchEventContext->changedTouches();
}
adjustTouchList(node, touchEvent.touches(), eventPath, eventPathTouches);
adjustTouchList(node, touchEvent.targetTouches(), eventPath, eventPathTargetTouches);
adjustTouchList(node, touchEvent.changedTouches(), eventPath, eventPathChangedTouches);
}
void EventRetargeter::adjustForTouchEvent(Node* node, TouchEvent& touchEvent)
{
EventPath& eventPath = touchEvent.eventPath();
size_t eventPathSize = eventPath.size();
EventPathTouchLists eventPathTouches(eventPathSize);
EventPathTouchLists eventPathTargetTouches(eventPathSize);
EventPathTouchLists eventPathChangedTouches(eventPathSize);
for (size_t i = 0; i < eventPathSize; ++i) {
ASSERT(eventPath[i].isTouchEventContext());
TouchEventContext& touchEventContext = toTouchEventContext(eventPath[i]);
eventPathTouches[i] = touchEventContext.touches();
eventPathTargetTouches[i] = touchEventContext.targetTouches();
eventPathChangedTouches[i] = touchEventContext.changedTouches();
}
adjustTouchList(node, touchEvent.touches(), eventPath, eventPathTouches);
adjustTouchList(node, touchEvent.targetTouches(), eventPath, eventPathTargetTouches);
adjustTouchList(node, touchEvent.changedTouches(), eventPath, eventPathChangedTouches);
}
