/**
* HPI function saHpiSensorEventMasksSet()
*
* See also the description of the function inside the specification or header file.
* Copying the internal reading values (if a read is allowed).
*
* @param act address of variable which includes the action to be done
* @param AssertEventMask address of variable which include new assertion mask data
* @param DeassertEventMask address of variable which include new deassertion mask data
*
* @return HPI return code
**/
SaErrorT NewSimulatorSensor::SetEventMasks( const SaHpiSensorEventMaskActionT &act,
SaHpiEventStateT &AssertEventMask,
SaHpiEventStateT &DeassertEventMask ) {
if ( EventCtrl() != SAHPI_SEC_PER_EVENT )
return SA_ERR_HPI_READ_ONLY;
if ( AssertEventMask == SAHPI_ALL_EVENT_STATES )
AssertEventMask = EventStates();
if ( DeassertEventMask == SAHPI_ALL_EVENT_STATES )
DeassertEventMask = EventStates();
if ( act == SAHPI_SENS_ADD_EVENTS_TO_MASKS ) {
if ((( AssertEventMask & ~EventStates() ) != 0 )
|| (( DeassertEventMask & ~EventStates() ) != 0 ))
return SA_ERR_HPI_INVALID_DATA;
}
SaHpiEventStateT save_assert_mask = m_assert_mask;
SaHpiEventStateT save_deassert_mask = m_deassert_mask;
if ( act == SAHPI_SENS_ADD_EVENTS_TO_MASKS ) {
m_assert_mask |= AssertEventMask;
m_deassert_mask |= DeassertEventMask;
} else if ( act == SAHPI_SENS_REMOVE_EVENTS_FROM_MASKS ) {
m_assert_mask &= (AssertEventMask ^ SAHPI_ALL_EVENT_STATES);
m_deassert_mask &= (DeassertEventMask ^ SAHPI_ALL_EVENT_STATES);
} else
return SA_ERR_HPI_INVALID_PARAMS;
stdlog << "SetEventMasks sensor " << m_sensor_record.Num << " assert " << m_assert_mask << " deassert " << m_deassert_mask << "\n";
if (( save_assert_mask == m_assert_mask )
&& ( save_deassert_mask == m_deassert_mask ))
return SA_OK;
CreateEnableChangeEvent();
return SA_OK;
}
static nsIFrame*
GetClosest(nsIFrame* aRoot, const nsPoint& aPointRelativeToRootFrame,
const nsRect& aTargetRect, const EventRadiusPrefs* aPrefs,
nsIFrame* aRestrictToDescendants, nsTArray<nsIFrame*>& aCandidates)
{
nsIFrame* bestTarget = nullptr;
// Lower is better; distance is in appunits
float bestDistance = 1e6f;
nsRegion exposedRegion(aTargetRect);
for (uint32_t i = 0; i < aCandidates.Length(); ++i) {
nsIFrame* f = aCandidates[i];
bool preservesAxisAlignedRectangles = false;
nsRect borderBox = nsLayoutUtils::TransformFrameRectToAncestor(f,
nsRect(nsPoint(0, 0), f->GetSize()), aRoot, &preservesAxisAlignedRectangles);
nsRegion region;
region.And(exposedRegion, borderBox);
if (region.IsEmpty()) {
continue;
}
if (preservesAxisAlignedRectangles) {
// Subtract from the exposed region if we have a transform that won't make
// the bounds include a bunch of area that we don't actually cover.
SubtractFromExposedRegion(&exposedRegion, region);
}
if (!IsElementClickable(f)) {
continue;
}
// If our current closest frame is a descendant of 'f', skip 'f' (prefer
// the nested frame).
if (bestTarget && nsLayoutUtils::IsProperAncestorFrameCrossDoc(f, bestTarget, aRoot)) {
continue;
}
if (!nsLayoutUtils::IsAncestorFrameCrossDoc(aRestrictToDescendants, f, aRoot)) {
continue;
}
// distance is in appunits
float distance = ComputeDistanceFromRegion(aPointRelativeToRootFrame, region);
nsIContent* content = f->GetContent();
if (content && content->IsElement() &&
content->AsElement()->State().HasState(
EventStates(NS_EVENT_STATE_VISITED))) {
distance *= aPrefs->mVisitedWeight / 100.0f;
}
if (distance < bestDistance) {
bestDistance = distance;
bestTarget = f;
}
}
return bestTarget;
}
void
Link::ResetLinkState(bool aNotify, bool aHasHref)
{
nsLinkState defaultState;
// The default state for links with an href is unvisited.
if (aHasHref) {
defaultState = eLinkState_Unvisited;
} else {
defaultState = eLinkState_NotLink;
}
// If !mNeedsRegstration, then either we've never registered, or we're
// currently registered; in either case, we should remove ourself
// from the doc and the history.
if (!mNeedsRegistration && mLinkState != eLinkState_NotLink) {
nsIDocument *doc = mElement->GetComposedDoc();
if (doc && (mRegistered || mLinkState == eLinkState_Visited)) {
// Tell the document to forget about this link if we've registered
// with it before.
doc->ForgetLink(this);
}
UnregisterFromHistory();
}
// If we have an href, we should register with the history.
mNeedsRegistration = aHasHref;
// If we've cached the URI, reset always invalidates it.
mCachedURI = nullptr;
UpdateURLSearchParams();
// Update our state back to the default.
mLinkState = defaultState;
// We have to be very careful here: if aNotify is false we do NOT
// want to call UpdateState, because that will call into LinkState()
// and try to start off loads, etc. But ResetLinkState is called
// with aNotify false when things are in inconsistent states, so
// we'll get confused in that situation. Instead, just silently
// update the link state on mElement. Since we might have set the
// link state to unvisited, make sure to update with that state if
// required.
if (aNotify) {
mElement->UpdateState(aNotify);
} else {
if (mLinkState == eLinkState_Unvisited) {
mElement->UpdateLinkState(NS_EVENT_STATE_UNVISITED);
} else {
mElement->UpdateLinkState(EventStates());
}
}
}
EventStates
Link::LinkState() const
{
// We are a constant method, but we are just lazily doing things and have to
// track that state. Cast away that constness!
Link *self = const_cast<Link *>(this);
Element *element = self->mElement;
// If we have not yet registered for notifications and need to,
// due to our href changing, register now!
if (!mRegistered && mNeedsRegistration && element->IsInComposedDoc()) {
// Only try and register once.
self->mNeedsRegistration = false;
nsCOMPtr<nsIURI> hrefURI(GetURI());
// Assume that we are not visited until we are told otherwise.
self->mLinkState = eLinkState_Unvisited;
// Make sure the href attribute has a valid link (bug 23209).
// If we have a good href, register with History if available.
if (mHistory && hrefURI) {
nsresult rv = mHistory->RegisterVisitedCallback(hrefURI, self);
if (NS_SUCCEEDED(rv)) {
self->mRegistered = true;
// And make sure we are in the document's link map.
element->GetComposedDoc()->AddStyleRelevantLink(self);
}
}
}
// Otherwise, return our known state.
if (mLinkState == eLinkState_Visited) {
return NS_EVENT_STATE_VISITED;
}
if (mLinkState == eLinkState_Unvisited) {
return NS_EVENT_STATE_UNVISITED;
}
return EventStates();
}
static nsIFrame*
GetClosest(nsIFrame* aRoot, const nsPoint& aPointRelativeToRootFrame,
const nsRect& aTargetRect, const EventRadiusPrefs* aPrefs,
nsIFrame* aRestrictToDescendants, nsIContent* aClickableAncestor,
nsTArray<nsIFrame*>& aCandidates, int32_t* aElementsInCluster)
{
std::vector<nsIContent*> mContentsInCluster; // List of content elements in the cluster without duplicate
nsIFrame* bestTarget = nullptr;
// Lower is better; distance is in appunits
float bestDistance = 1e6f;
nsRegion exposedRegion(aTargetRect);
for (uint32_t i = 0; i < aCandidates.Length(); ++i) {
nsIFrame* f = aCandidates[i];
PET_LOG("Checking candidate %p\n", f);
bool preservesAxisAlignedRectangles = false;
nsRect borderBox = nsLayoutUtils::TransformFrameRectToAncestor(f,
nsRect(nsPoint(0, 0), f->GetSize()), aRoot, &preservesAxisAlignedRectangles);
nsRegion region;
region.And(exposedRegion, borderBox);
if (region.IsEmpty()) {
PET_LOG(" candidate %p had empty hit region\n", f);
continue;
}
if (preservesAxisAlignedRectangles) {
// Subtract from the exposed region if we have a transform that won't make
// the bounds include a bunch of area that we don't actually cover.
SubtractFromExposedRegion(&exposedRegion, region);
}
nsAutoString labelTargetId;
if (aClickableAncestor && !IsDescendant(f, aClickableAncestor, &labelTargetId)) {
PET_LOG(" candidate %p is not a descendant of required ancestor\n", f);
continue;
}
nsIContent* clickableContent = GetClickableAncestor(f, nsGkAtoms::body, &labelTargetId);
if (!aClickableAncestor && !clickableContent) {
PET_LOG(" candidate %p was not clickable\n", f);
continue;
}
// If our current closest frame is a descendant of 'f', skip 'f' (prefer
// the nested frame).
if (bestTarget && nsLayoutUtils::IsProperAncestorFrameCrossDoc(f, bestTarget, aRoot)) {
PET_LOG(" candidate %p was ancestor for bestTarget %p\n", f, bestTarget);
continue;
}
if (!aClickableAncestor && !nsLayoutUtils::IsAncestorFrameCrossDoc(aRestrictToDescendants, f, aRoot)) {
PET_LOG(" candidate %p was not descendant of restrictroot %p\n", f, aRestrictToDescendants);
continue;
}
// If the first clickable ancestor of f is a label element
// and "for" attribute is present in label element, search the frame list for the "for" element
// If this element is present in the current list, do not count the frame in
// the cluster elements counter
if ((labelTargetId.IsEmpty() || !IsElementPresent(aCandidates, labelTargetId)) &&
!IsLargeElement(f, aPrefs)) {
if (std::find(mContentsInCluster.begin(), mContentsInCluster.end(), clickableContent) == mContentsInCluster.end()) {
mContentsInCluster.push_back(clickableContent);
}
}
// distance is in appunits
float distance = ComputeDistanceFromRegion(aPointRelativeToRootFrame, region);
nsIContent* content = f->GetContent();
if (content && content->IsElement() &&
content->AsElement()->State().HasState(
EventStates(NS_EVENT_STATE_VISITED))) {
distance *= aPrefs->mVisitedWeight / 100.0f;
}
if (distance < bestDistance) {
PET_LOG(" candidate %p is the new best\n", f);
bestDistance = distance;
bestTarget = f;
}
}
*aElementsInCluster = mContentsInCluster.size();
return bestTarget;
}