// Main funnel for navigating to a previous location (back/forward, non-search snap-back)
// This includes recursion to handle loading into framesets properly
void HistoryController::goToItem(HistoryItem* targetItem, FrameLoadType type)
{
ASSERT(!m_frame->tree()->parent());
// shouldGoToHistoryItem is a private delegate method. This is needed to fix:
// <rdar://problem/3951283> can view pages from the back/forward cache that should be disallowed by Parental Controls
// Ultimately, history item navigations should go through the policy delegate. That's covered in:
// <rdar://problem/3979539> back/forward cache navigations should consult policy delegate
Page* page = m_frame->page();
if (!page)
return;
if (!m_frame->loader()->client()->shouldGoToHistoryItem(targetItem))
return;
if (m_defersLoading) {
m_deferredItem = targetItem;
m_deferredFrameLoadType = type;
return;
}
// Set the BF cursor before commit, which lets the user quickly click back/forward again.
// - plus, it only makes sense for the top level of the operation through the frametree,
// as opposed to happening for some/one of the page commits that might happen soon
RefPtr<HistoryItem> currentItem = page->backForward()->currentItem();
page->backForward()->setCurrentItem(targetItem);
m_frame->loader()->client()->updateGlobalHistoryItemForPage();
// First set the provisional item of any frames that are not actually navigating.
// This must be done before trying to navigate the desired frame, because some
// navigations can commit immediately (such as about:blank). We must be sure that
// all frames have provisional items set before the commit.
recursiveSetProvisionalItem(targetItem, currentItem.get(), type);
// Now that all other frames have provisional items, do the actual navigation.
recursiveGoToItem(targetItem, currentItem.get(), type);
}
// Main funnel for navigating to a previous location (back/forward, non-search snap-back)
// This includes recursion to handle loading into framesets properly
void HistoryController::goToItem(HistoryItem* targetItem, FrameLoadType type)
{
ASSERT(!m_frame->tree()->parent());
// shouldGoToHistoryItem is a private delegate method. This is needed to fix:
// <rdar://problem/3951283> can view pages from the back/forward cache that should be disallowed by Parental Controls
// Ultimately, history item navigations should go through the policy delegate. That's covered in:
// <rdar://problem/3979539> back/forward cache navigations should consult policy delegate
Page* page = m_frame->page();
if (!page)
return;
if (!m_frame->loader()->client()->shouldGoToHistoryItem(targetItem))
return;
// Set the BF cursor before commit, which lets the user quickly click back/forward again.
// - plus, it only makes sense for the top level of the operation through the frametree,
// as opposed to happening for some/one of the page commits that might happen soon
HistoryItem* currentItem = page->backForward()->currentItem();
page->backForward()->setCurrentItem(targetItem);
Settings* settings = m_frame->settings();
page->setGlobalHistoryItem((!settings || settings->privateBrowsingEnabled()) ? 0 : targetItem);
recursiveGoToItem(targetItem, currentItem, type);
}