本文整理汇总了C++中Accessible::NeedsDOMUIEvent方法的典型用法代码示例。如果您正苦于以下问题：C++ Accessible::NeedsDOMUIEvent方法的具体用法？C++ Accessible::NeedsDOMUIEvent怎么用？C++ Accessible::NeedsDOMUIEvent使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Accessible的用法示例。
在下文中一共展示了Accessible::NeedsDOMUIEvent方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: AccStateChangeEvent
// RootAccessible protected
void
RootAccessible::ProcessDOMEvent(nsIDOMEvent* aDOMEvent)
{
MOZ_ASSERT(aDOMEvent);
Event* event = aDOMEvent->InternalDOMEvent();
nsCOMPtr<nsINode> origTargetNode = do_QueryInterface(event->GetOriginalTarget());
nsAutoString eventType;
aDOMEvent->GetType(eventType);
#ifdef A11Y_LOG
if (logging::IsEnabled(logging::eDOMEvents))
logging::DOMEvent("processed", origTargetNode, eventType);
#endif
if (eventType.EqualsLiteral("popuphiding")) {
HandlePopupHidingEvent(origTargetNode);
return;
}
DocAccessible* targetDocument = GetAccService()->
GetDocAccessible(origTargetNode->OwnerDoc());
NS_ASSERTION(targetDocument, "No document while accessible is in document?!");
Accessible* accessible =
targetDocument->GetAccessibleOrContainer(origTargetNode);
if (!accessible)
return;
#ifdef MOZ_XUL
XULTreeAccessible* treeAcc = accessible->AsXULTree();
if (treeAcc) {
if (eventType.EqualsLiteral("TreeRowCountChanged")) {
HandleTreeRowCountChangedEvent(aDOMEvent, treeAcc);
return;
}
if (eventType.EqualsLiteral("TreeInvalidated")) {
HandleTreeInvalidatedEvent(aDOMEvent, treeAcc);
return;
}
}
#endif
if (eventType.EqualsLiteral("RadioStateChange")) {
uint64_t state = accessible->State();
bool isEnabled = (state & (states::CHECKED | states::SELECTED)) != 0;
if (accessible->NeedsDOMUIEvent()) {
nsRefPtr<AccEvent> accEvent =
new AccStateChangeEvent(accessible, states::CHECKED, isEnabled);
nsEventShell::FireEvent(accEvent);
}
if (isEnabled) {
FocusMgr()->ActiveItemChanged(accessible);
#ifdef A11Y_LOG
if (logging::IsEnabled(logging::eFocus))
logging::ActiveItemChangeCausedBy("RadioStateChange", accessible);
#endif
}
return;
}
if (eventType.EqualsLiteral("CheckboxStateChange")) {
if (accessible->NeedsDOMUIEvent()) {
uint64_t state = accessible->State();
bool isEnabled = !!(state & states::CHECKED);
nsRefPtr<AccEvent> accEvent =
new AccStateChangeEvent(accessible, states::CHECKED, isEnabled);
nsEventShell::FireEvent(accEvent);
}
return;
}
Accessible* treeItemAcc = nullptr;
#ifdef MOZ_XUL
// If it's a tree element, need the currently selected item.
if (treeAcc) {
treeItemAcc = accessible->CurrentItem();
if (treeItemAcc)
accessible = treeItemAcc;
}
if (treeItemAcc && eventType.EqualsLiteral("OpenStateChange")) {
uint64_t state = accessible->State();
bool isEnabled = (state & states::EXPANDED) != 0;
nsRefPtr<AccEvent> accEvent =
new AccStateChangeEvent(accessible, states::EXPANDED, isEnabled);
nsEventShell::FireEvent(accEvent);
return;
}
nsINode* targetNode = accessible->GetNode();
if (treeItemAcc && eventType.EqualsLiteral("select")) {
// XXX: We shouldn't be based on DOM select event which doesn't provide us
//.........这里部分代码省略.........