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C++ AccTextChangeEvent::IsFromUserInput方法代码示例

本文整理汇总了C++中AccTextChangeEvent::IsFromUserInput方法的典型用法代码示例。如果您正苦于以下问题:C++ AccTextChangeEvent::IsFromUserInput方法的具体用法?C++ AccTextChangeEvent::IsFromUserInput怎么用?C++ AccTextChangeEvent::IsFromUserInput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AccTextChangeEvent的用法示例。


在下文中一共展示了AccTextChangeEvent::IsFromUserInput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: HandleAccEvent

nsresult AccessibleWrap::HandleAccEvent(AccEvent* aEvent) {
  auto accessible = static_cast<AccessibleWrap*>(aEvent->GetAccessible());
  NS_ENSURE_TRUE(accessible, NS_ERROR_FAILURE);
  DocAccessibleWrap* doc =
      static_cast<DocAccessibleWrap*>(accessible->Document());
  if (doc) {
    switch (aEvent->GetEventType()) {
      case nsIAccessibleEvent::EVENT_FOCUS: {
        if (DocAccessibleWrap* topContentDoc =
                doc->GetTopLevelContentDoc(accessible)) {
          topContentDoc->CacheFocusPath(accessible);
        }
        break;
      }
      case nsIAccessibleEvent::EVENT_VIRTUALCURSOR_CHANGED: {
        AccVCChangeEvent* vcEvent = downcast_accEvent(aEvent);
        auto newPosition =
            static_cast<AccessibleWrap*>(vcEvent->NewAccessible());
        if (newPosition) {
          if (DocAccessibleWrap* topContentDoc =
                  doc->GetTopLevelContentDoc(accessible)) {
            topContentDoc->CacheFocusPath(newPosition);
          }
        }
        break;
      }
    }
  }

  nsresult rv = Accessible::HandleAccEvent(aEvent);
  NS_ENSURE_SUCCESS(rv, rv);

  if (IPCAccessibilityActive()) {
    return NS_OK;
  }

  // The accessible can become defunct if we have an xpcom event listener
  // which decides it would be fun to change the DOM and flush layout.
  if (accessible->IsDefunct() || !accessible->IsBoundToParent()) {
    return NS_OK;
  }

  if (doc) {
    if (!nsCoreUtils::IsContentDocument(doc->DocumentNode())) {
      return NS_OK;
    }
  }

  SessionAccessibility* sessionAcc =
      SessionAccessibility::GetInstanceFor(accessible);
  if (!sessionAcc) {
    return NS_OK;
  }

  switch (aEvent->GetEventType()) {
    case nsIAccessibleEvent::EVENT_FOCUS:
      sessionAcc->SendFocusEvent(accessible);
      break;
    case nsIAccessibleEvent::EVENT_VIRTUALCURSOR_CHANGED: {
      AccVCChangeEvent* vcEvent = downcast_accEvent(aEvent);
      auto newPosition = static_cast<AccessibleWrap*>(vcEvent->NewAccessible());
      auto oldPosition = static_cast<AccessibleWrap*>(vcEvent->OldAccessible());

      if (sessionAcc && newPosition) {
        if (oldPosition != newPosition) {
          if (vcEvent->Reason() == nsIAccessiblePivot::REASON_POINT) {
            sessionAcc->SendHoverEnterEvent(newPosition);
          } else {
            sessionAcc->SendAccessibilityFocusedEvent(newPosition);
          }
        }

        if (vcEvent->BoundaryType() != nsIAccessiblePivot::NO_BOUNDARY) {
          sessionAcc->SendTextTraversedEvent(
              newPosition, vcEvent->NewStartOffset(), vcEvent->NewEndOffset());
        }
      }
      break;
    }
    case nsIAccessibleEvent::EVENT_TEXT_CARET_MOVED: {
      AccCaretMoveEvent* event = downcast_accEvent(aEvent);
      sessionAcc->SendTextSelectionChangedEvent(accessible,
                                                event->GetCaretOffset());
      break;
    }
    case nsIAccessibleEvent::EVENT_TEXT_INSERTED:
    case nsIAccessibleEvent::EVENT_TEXT_REMOVED: {
      AccTextChangeEvent* event = downcast_accEvent(aEvent);
      sessionAcc->SendTextChangedEvent(
          accessible, event->ModifiedText(), event->GetStartOffset(),
          event->GetLength(), event->IsTextInserted(),
          event->IsFromUserInput());
      break;
    }
    case nsIAccessibleEvent::EVENT_STATE_CHANGE: {
      AccStateChangeEvent* event = downcast_accEvent(aEvent);
      auto state = event->GetState();
      if (state & states::CHECKED) {
        sessionAcc->SendClickedEvent(accessible, event->IsStateEnabled());
      }
//.........这里部分代码省略.........
开发者ID:djg,项目名称:gecko-dev,代码行数:101,代码来源:AccessibleWrap.cpp


注:本文中的AccTextChangeEvent::IsFromUserInput方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。