uint64_t
HTMLSelectOptionAccessible::NativeState() const
{
// As a HTMLSelectOptionAccessible we can have the following states:
// SELECTABLE, SELECTED, FOCUSED, FOCUSABLE, OFFSCREEN
// Upcall to Accessible, but skip HyperTextAccessible impl
// because we don't want EDITABLE or SELECTABLE_TEXT
uint64_t state = Accessible::NativeState();
Accessible* select = GetSelect();
if (!select)
return state;
uint64_t selectState = select->State();
if (selectState & states::INVISIBLE)
return state;
// Are we selected?
HTMLOptionElement* option = HTMLOptionElement::FromNode(mContent);
bool selected = option && option->Selected();
if (selected)
state |= states::SELECTED;
if (selectState & states::OFFSCREEN) {
state |= states::OFFSCREEN;
} else if (selectState & states::COLLAPSED) {
// <select> is COLLAPSED: add OFFSCREEN, if not the currently
// visible option
if (!selected) {
state |= states::OFFSCREEN;
// Ensure the invisible state is removed. Otherwise, group info will skip
// this option. Furthermore, this gets cached and this doesn't get
// invalidated even once the select is expanded.
state &= ~states::INVISIBLE;
} else {
// Clear offscreen and invisible for currently showing option
state &= ~(states::OFFSCREEN | states::INVISIBLE);
state |= selectState & states::OPAQUE1;
}
} else {
// XXX list frames are weird, don't rely on Accessible's general
// visibility implementation unless they get reimplemented in layout
state &= ~states::OFFSCREEN;
// <select> is not collapsed: compare bounds to calculate OFFSCREEN
Accessible* listAcc = Parent();
if (listAcc) {
nsIntRect optionRect = Bounds();
nsIntRect listRect = listAcc->Bounds();
if (optionRect.Y() < listRect.Y() ||
optionRect.YMost() > listRect.YMost()) {
state |= states::OFFSCREEN;
}
}
}
return state;
}
uint64_t
HTMLSelectOptionAccessible::NativeState()
{
// As a HTMLSelectOptionAccessible we can have the following states:
// SELECTABLE, SELECTED, FOCUSED, FOCUSABLE, OFFSCREEN
// Upcall to Accessible, but skip HyperTextAccessible impl
// because we don't want EDITABLE or SELECTABLE_TEXT
uint64_t state = Accessible::NativeState();
Accessible* select = GetSelect();
if (!select)
return state;
uint64_t selectState = select->State();
if (selectState & states::INVISIBLE)
return state;
// Are we selected?
HTMLOptionElement* option = HTMLOptionElement::FromContent(mContent);
bool selected = option && option->Selected();
if (selected)
state |= states::SELECTED;
if (selectState & states::OFFSCREEN) {
state |= states::OFFSCREEN;
} else if (selectState & states::COLLAPSED) {
// <select> is COLLAPSED: add OFFSCREEN, if not the currently
// visible option
if (!selected) {
state |= states::OFFSCREEN;
state ^= states::INVISIBLE;
} else {
// Clear offscreen and invisible for currently showing option
state &= ~(states::OFFSCREEN | states::INVISIBLE);
state |= selectState & states::OPAQUE1;
}
} else {
// XXX list frames are weird, don't rely on Accessible's general
// visibility implementation unless they get reimplemented in layout
state &= ~states::OFFSCREEN;
// <select> is not collapsed: compare bounds to calculate OFFSCREEN
Accessible* listAcc = Parent();
if (listAcc) {
nsIntRect optionRect = Bounds();
nsIntRect listRect = listAcc->Bounds();
if (optionRect.y < listRect.y ||
optionRect.y + optionRect.height > listRect.y + listRect.height) {
state |= states::OFFSCREEN;
}
}
}
return state;
}