/// <remarks> Does not update the JournalOwnershipProperty. </remarks>
private void SwitchToOwnJournal()
{
Debug.Assert(_ownJournalScope == null ^ _journalOwnership == JournalOwnership.OwnsJournal);
if (_ownJournalScope == null)
{
// Entries created for this frame in the parent's journal have to be removed.
JournalNavigationScope parentJns = GetParentJournal(false/*don't create*/);
if (parentJns != null)
{
parentJns.Journal.RemoveEntries(_navigationService.GuidId);
}
_ownJournalScope = new JournalNavigationScope(this);
_navigationService.InvalidateJournalNavigationScope();
// BackStackProperty & ForwardStackProperty should become available immediately if
// OwnsJournal is set *after* Frame is already loaded.
// See comment in OnPreApplyTemplate().
if (IsLoaded)
{
_ownJournalScope.EnsureJournal();
}
AddCommandBinding(new CommandBinding(NavigationCommands.BrowseBack, OnGoBack, OnQueryGoBack));
AddCommandBinding(new CommandBinding(NavigationCommands.BrowseForward, OnGoForward, OnQueryGoForward));
AddCommandBinding(new CommandBinding(NavigationCommands.NavigateJournal, OnNavigateJournal));
AddCommandBinding(new CommandBinding(NavigationCommands.Refresh, OnRefresh, OnQueryRefresh));
AddCommandBinding(new CommandBinding(NavigationCommands.BrowseStop, OnBrowseStop));
}
_journalOwnership = JournalOwnership.OwnsJournal;
}
private void Initialize()
{
Debug.Assert(_navigationService == null && _JNS == null);
_navigationService = new NavigationService(this);
_navigationService.BPReady += new BPReadyEventHandler(OnBPReady);
_JNS = new JournalNavigationScope(this);
_fFramelet = false;
}