bool
ContainerLayer::InsertAfter(Layer* aChild, Layer* aAfter)
{
if(aChild->Manager() != Manager()) {
NS_ERROR("Child has wrong manager");
return false;
}
if(aChild->GetParent()) {
NS_ERROR("aChild already in the tree");
return false;
}
if (aChild->GetNextSibling() || aChild->GetPrevSibling()) {
NS_ERROR("aChild already has siblings?");
return false;
}
if (aAfter && (aAfter->Manager() != Manager() ||
aAfter->GetParent() != this))
{
NS_ERROR("aAfter is not our child");
return false;
}
aChild->SetParent(this);
if (aAfter == mLastChild) {
mLastChild = aChild;
}
if (!aAfter) {
aChild->SetNextSibling(mFirstChild);
if (mFirstChild) {
mFirstChild->SetPrevSibling(aChild);
}
mFirstChild = aChild;
NS_ADDREF(aChild);
DidInsertChild(aChild);
return true;
}
Layer* next = aAfter->GetNextSibling();
aChild->SetNextSibling(next);
aChild->SetPrevSibling(aAfter);
if (next) {
next->SetPrevSibling(aChild);
}
aAfter->SetNextSibling(aChild);
NS_ADDREF(aChild);
DidInsertChild(aChild);
return true;
}
void
ContainerLayerComposite::InsertAfter(Layer* aChild, Layer* aAfter)
{
NS_ASSERTION(aChild->Manager() == Manager(),
"Child has wrong manager");
NS_ASSERTION(!aChild->GetParent(),
"aChild already in the tree");
NS_ASSERTION(!aChild->GetNextSibling() && !aChild->GetPrevSibling(),
"aChild already has siblings?");
NS_ASSERTION(!aAfter ||
(aAfter->Manager() == Manager() &&
aAfter->GetParent() == this),
"aAfter is not our child");
aChild->SetParent(this);
if (aAfter == mLastChild) {
mLastChild = aChild;
}
if (!aAfter) {
aChild->SetNextSibling(mFirstChild);
if (mFirstChild) {
mFirstChild->SetPrevSibling(aChild);
}
mFirstChild = aChild;
NS_ADDREF(aChild);
DidInsertChild(aChild);
return;
}
Layer* next = aAfter->GetNextSibling();
aChild->SetNextSibling(next);
aChild->SetPrevSibling(aAfter);
if (next) {
next->SetPrevSibling(aChild);
}
aAfter->SetNextSibling(aChild);
NS_ADDREF(aChild);
DidInsertChild(aChild);
}
void
ContainerLayerD3D10::InsertAfter(Layer* aChild, Layer* aAfter)
{
aChild->SetParent(this);
if (!aAfter) {
Layer *oldFirstChild = GetFirstChild();
mFirstChild = aChild;
aChild->SetNextSibling(oldFirstChild);
aChild->SetPrevSibling(nsnull);
if (oldFirstChild) {
oldFirstChild->SetPrevSibling(aChild);
} else {
mLastChild = aChild;
}
NS_ADDREF(aChild);
DidInsertChild(aChild);
return;
}
for (Layer *child = GetFirstChild();
child; child = child->GetNextSibling()) {
if (aAfter == child) {
Layer *oldNextSibling = child->GetNextSibling();
child->SetNextSibling(aChild);
aChild->SetNextSibling(oldNextSibling);
if (oldNextSibling) {
oldNextSibling->SetPrevSibling(aChild);
} else {
mLastChild = aChild;
}
aChild->SetPrevSibling(child);
NS_ADDREF(aChild);
DidInsertChild(aChild);
return;
}
}
NS_WARNING("Failed to find aAfter layer!");
}
