internal byte[] GetSaveHistoryBytes(bool persistEntireJournal, out int journalEntryId, out string uriString, out string titleString)
{
ApplicationProxyInternal.SaveHistoryReturnInfo saveHistoryReturnInfo = null;
if (Application.Current != null)
{
saveHistoryReturnInfo = (ApplicationProxyInternal.SaveHistoryReturnInfo)Application.Current.Dispatcher.Invoke(DispatcherPriority.Send, new DispatcherOperationCallback(this._GetSaveHistoryBytesDelegate), persistEntireJournal);
}
if (saveHistoryReturnInfo != null)
{
journalEntryId = saveHistoryReturnInfo.entryId;
uriString = saveHistoryReturnInfo.uri;
titleString = saveHistoryReturnInfo.title;
return(saveHistoryReturnInfo.saveByteArray);
}
journalEntryId = 0;
uriString = null;
titleString = null;
return(null);
}
private object _GetSaveHistoryBytesDelegate(object arg)
{
bool flag = (bool)arg;
ApplicationProxyInternal.SaveHistoryReturnInfo saveHistoryReturnInfo = new ApplicationProxyInternal.SaveHistoryReturnInfo();
if (this._serviceProvider == null)
{
return(null);
}
if (Application.IsApplicationObjectShuttingDown)
{
return(null);
}
Invariant.Assert(this._rbw.Value != null, "BrowserJournalingError: _rbw should not be null");
Journal journal = this._rbw.Value.Journal;
Invariant.Assert(journal != null, "BrowserJournalingError: Could not get internal journal for the window");
JournalEntry journalEntry;
if (flag)
{
NavigationService navigationService = this._rbw.Value.NavigationService;
try
{
navigationService.RequestCustomContentStateOnAppShutdown();
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalException(ex))
{
throw;
}
}
journal.PruneKeepAliveEntries();
journalEntry = navigationService.MakeJournalEntry(JournalReason.NewContentNavigation);
if (journalEntry != null && !journalEntry.IsAlive())
{
if (journalEntry.JEGroupState.JournalDataStreams != null)
{
journalEntry.JEGroupState.JournalDataStreams.PrepareForSerialization();
}
journal.UpdateCurrentEntry(journalEntry);
}
else
{
journalEntry = journal.GetGoBackEntry();
}
}
else
{
journalEntry = journal.CurrentEntry;
}
if (journalEntry != null)
{
saveHistoryReturnInfo.title = journalEntry.Name;
saveHistoryReturnInfo.entryId = journalEntry.Id;
}
else
{
saveHistoryReturnInfo.title = this._rbw.Value.Title;
}
saveHistoryReturnInfo.uri = BindUriHelper.UriToString(this.Uri);
MemoryStream memoryStream = new MemoryStream();
memoryStream.Seek(0L, SeekOrigin.Begin);
if (flag)
{
ApplicationProxyInternal.BrowserJournal browserJournal = new ApplicationProxyInternal.BrowserJournal(journal, BindUriHelper.BaseUri);
new SecurityPermission(SecurityPermissionFlag.SerializationFormatter).Assert();
try
{
memoryStream.WriteByte(2);
BinaryFormatter binaryFormatter = new BinaryFormatter();
binaryFormatter.Serialize(memoryStream, browserJournal);
goto IL_1A6;
}
catch (Exception ex2)
{
if (CriticalExceptions.IsCriticalException(ex2))
{
throw;
}
Invariant.Assert(false, "Failed to serialize the navigation journal: " + ex2);
goto IL_1A6;
}
finally
{
CodeAccessPermission.RevertAll();
}
}
memoryStream.WriteByte(1);
ApplicationProxyInternal.WriteInt32(memoryStream, saveHistoryReturnInfo.entryId);
IL_1A6:
saveHistoryReturnInfo.saveByteArray = memoryStream.ToArray();
((IDisposable)memoryStream).Dispose();
return(saveHistoryReturnInfo);
}
