PassRefPtr<HistoryItem> HistoryController::createItemTree(Frame* targetFrame, bool clipAtTarget)
{
RefPtr<HistoryItem> bfItem = createItem();
if (!m_frameLoadComplete) {
saveScrollPositionAndViewStateToItem(m_previousItem.get());
saveTextWrapWidth(m_previousItem.get());
}
if (!clipAtTarget || m_frame != targetFrame) {
// save frame state for items that aren't loading (khtml doesn't save those)
saveDocumentState();
// clipAtTarget is false for navigations within the same document, so
// we should copy the documentSequenceNumber over to the newly create
// item. Non-target items are just clones, and they should therefore
// preserve the same itemSequenceNumber.
if (m_previousItem) {
if (m_frame != targetFrame)
bfItem->setItemSequenceNumber(m_previousItem->itemSequenceNumber());
bfItem->setDocumentSequenceNumber(m_previousItem->documentSequenceNumber());
}
for (Frame* child = m_frame->tree()->firstChild(); child; child = child->tree()->nextSibling()) {
FrameLoader* childLoader = child->loader();
bool hasChildLoaded = childLoader->frameHasLoaded();
// If the child is a frame corresponding to an <object> element that never loaded,
// we don't want to create a history item, because that causes fallback content
// to be ignored on reload.
if (!(!hasChildLoaded && childLoader->isHostedByObjectElement()))
bfItem->addChildItem(childLoader->history()->createItemTree(targetFrame, clipAtTarget));
}
}
// FIXME: Eliminate the isTargetItem flag in favor of itemSequenceNumber.
if (m_frame == targetFrame)
bfItem->setIsTargetItem(true);
return bfItem;
}
PassRefPtr<HistoryItem> HistoryController::createItemTree(Frame* targetFrame, bool clipAtTarget)
{
RefPtr<HistoryItem> bfItem = createItem(m_frame->tree()->parent() ? true : false);
if (m_previousItem)
saveScrollPositionAndViewStateToItem(m_previousItem.get());
if (!(clipAtTarget && m_frame == targetFrame)) {
// save frame state for items that aren't loading (khtml doesn't save those)
saveDocumentState();
for (Frame* child = m_frame->tree()->firstChild(); child; child = child->tree()->nextSibling()) {
FrameLoader* childLoader = child->loader();
bool hasChildLoaded = childLoader->frameHasLoaded();
// If the child is a frame corresponding to an <object> element that never loaded,
// we don't want to create a history item, because that causes fallback content
// to be ignored on reload.
if (!(!hasChildLoaded && childLoader->isHostedByObjectElement()))
bfItem->addChildItem(childLoader->history()->createItemTree(targetFrame, clipAtTarget));
}
}
if (m_frame == targetFrame)
bfItem->setIsTargetItem(true);
return bfItem;
}