本文整理汇总了C++中EventListenerManager::MayHavePaintEventListener方法的典型用法代码示例。如果您正苦于以下问题：C++ EventListenerManager::MayHavePaintEventListener方法的具体用法？C++ EventListenerManager::MayHavePaintEventListener怎么用？C++ EventListenerManager::MayHavePaintEventListener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EventListenerManager的用法示例。
在下文中一共展示了EventListenerManager::MayHavePaintEventListener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: if
//.........这里部分代码省略.........
// After cloning the document itself, we want to clone the children into
// the cloned document (somewhat like cloning and importing them into the
// cloned document).
nodeInfoManager = clone->mNodeInfo->NodeInfoManager();
}
}
else if (nodeInfoManager) {
nsIDocument* oldDoc = aNode->OwnerDoc();
bool wasRegistered = false;
if (aNode->IsElement()) {
Element* element = aNode->AsElement();
oldDoc->ClearBoxObjectFor(element);
wasRegistered = oldDoc->UnregisterActivityObserver(element);
}
aNode->mNodeInfo.swap(newNodeInfo);
if (elem) {
elem->NodeInfoChanged(newNodeInfo);
}
nsIDocument* newDoc = aNode->OwnerDoc();
if (newDoc) {
// XXX what if oldDoc is null, we don't know if this should be
// registered or not! Can that really happen?
if (wasRegistered) {
newDoc->RegisterActivityObserver(aNode->AsElement());
}
nsPIDOMWindow* window = newDoc->GetInnerWindow();
if (window) {
EventListenerManager* elm = aNode->GetExistingListenerManager();
if (elm) {
window->SetMutationListeners(elm->MutationListenerBits());
if (elm->MayHavePaintEventListener()) {
window->SetHasPaintEventListeners();
}
if (elm->MayHaveTouchEventListener()) {
window->SetHasTouchEventListeners();
}
if (elm->MayHaveMouseEnterLeaveEventListener()) {
window->SetHasMouseEnterLeaveEventListeners();
}
if (elm->MayHavePointerEnterLeaveEventListener()) {
window->SetHasPointerEnterLeaveEventListeners();
}
}
}
}
if (wasRegistered && oldDoc != newDoc) {
nsCOMPtr<nsIDOMHTMLMediaElement> domMediaElem(do_QueryInterface(aNode));
if (domMediaElem) {
HTMLMediaElement* mediaElem = static_cast<HTMLMediaElement*>(aNode);
mediaElem->NotifyOwnerDocumentActivityChanged();
}
nsCOMPtr<nsIObjectLoadingContent> objectLoadingContent(do_QueryInterface(aNode));
if (objectLoadingContent) {
nsObjectLoadingContent* olc = static_cast<nsObjectLoadingContent*>(objectLoadingContent.get());
olc->NotifyOwnerDocumentActivityChanged();
}
}
if (oldDoc != newDoc && oldDoc->MayHaveDOMMutationObservers()) {
newDoc->SetMayHaveDOMMutationObservers();
}