本文整理汇总了C++中nsSplitterFrame::GetPrevSibling方法的典型用法代码示例。如果您正苦于以下问题：C++ nsSplitterFrame::GetPrevSibling方法的具体用法？C++ nsSplitterFrame::GetPrevSibling怎么用？C++ nsSplitterFrame::GetPrevSibling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nsSplitterFrame的用法示例。
在下文中一共展示了nsSplitterFrame::GetPrevSibling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: nsUnsetAttrRunnable
void
nsSplitterFrameInner::UpdateState()
{
// State Transitions:
// Open -> Dragging
// Open -> CollapsedBefore
// Open -> CollapsedAfter
// CollapsedBefore -> Open
// CollapsedBefore -> Dragging
// CollapsedAfter -> Open
// CollapsedAfter -> Dragging
// Dragging -> Open
// Dragging -> CollapsedBefore (auto collapse)
// Dragging -> CollapsedAfter (auto collapse)
State newState = GetState();
if (newState == mState) {
// No change.
return;
}
if ((SupportsCollapseDirection(Before) || SupportsCollapseDirection(After)) &&
mOuter->GetParent()->IsBoxFrame()) {
// Find the splitter's immediate sibling.
nsIFrame* splitterSibling;
if (newState == CollapsedBefore || mState == CollapsedBefore) {
splitterSibling = mOuter->GetPrevSibling();
} else {
splitterSibling = mOuter->GetNextSibling();
}
if (splitterSibling) {
nsCOMPtr<nsIContent> sibling = splitterSibling->GetContent();
if (sibling) {
if (mState == CollapsedBefore || mState == CollapsedAfter) {
// CollapsedBefore -> Open
// CollapsedBefore -> Dragging
// CollapsedAfter -> Open
// CollapsedAfter -> Dragging
nsContentUtils::AddScriptRunner(
new nsUnsetAttrRunnable(sibling, nsGkAtoms::collapsed));
} else if ((mState == Open || mState == Dragging)
&& (newState == CollapsedBefore ||
newState == CollapsedAfter)) {
// Open -> CollapsedBefore / CollapsedAfter
// Dragging -> CollapsedBefore / CollapsedAfter
nsContentUtils::AddScriptRunner(
new nsSetAttrRunnable(sibling, nsGkAtoms::collapsed,
NS_LITERAL_STRING("true")));
}
}
}
}
mState = newState;
}