private object DeserializeJournaledObject(MemoryStream inputStream)
{
object result = null;
int num = inputStream.ReadByte();
if (num >= 0)
{
byte b = (byte)num;
if (b != 1)
{
if (b == 2)
{
try
{
new SecurityPermission(SecurityPermissionFlag.SerializationFormatter).Demand();
BinaryFormatter binaryFormatter = new BinaryFormatter();
return(binaryFormatter.Deserialize(inputStream));
}
catch (SecurityException)
{
return(null);
}
}
throw new FormatException();
}
result = ApplicationProxyInternal.ReadInt32(inputStream);
}
return(result);
}
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);
}
int IBrowserHostServices.Run(
String path,
String fragment,
MimeType mime,
String debugSecurityZoneURL,
String applicationId,
object streamContainer,
object ucomLoadIStream,
HostingFlags hostingFlags,
INativeProgressPage nativeProgressPage,
string progressAssemblyName,
string progressClassName,
string errorAssemblyName,
string errorClassName,
IHostBrowser hostBrowser
)
{
Invariant.Assert(String.IsNullOrEmpty(path) == false, "path string should not be null or empty when Run method is called.");
Invariant.Assert(mime != MimeType.Unknown, "Unknown mime type");
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordHosting | EventTrace.Keyword.KeywordPerf, EventTrace.Event.WpfHost_IBHSRunStart, "\""+path+"\"", "\""+applicationId+"\"");
int exitCode = 0;
try
{
ApplicationProxyInternal.InitData initData = _initData.Value;
initData.HostBrowser = hostBrowser;
initData.Fragment = fragment;
initData.UcomLoadIStream = ucomLoadIStream;
initData.HandleHistoryLoad = true;
initData.MimeType.Value = mime;
// Dev10 821573 - Installing .NET 4.0 adds two parts to the user agent string, i.e.
// .NET4.0C and .NET4.0E, potentially causing the user agent string to overflow its
// documented maximum length of MAX_PATH. While the right place to fix this is in
// HostBrowserIE::GetUserAgentString in PresentationHostProxy, shared components
// turn out hard to patch after the fact, so we do a spot-fix here in case we're
// running in IE.
string userAgent = null;
MS.Internal.Interop.HRESULT hr = hostBrowser.GetUserAgentString(out userAgent); // get it only once for both AppDomains
if (hr == MS.Internal.Interop.HRESULT.E_OUTOFMEMORY && (hostingFlags & HostingFlags.hfHostedInIEorWebOC) != 0)
{
userAgent = MS.Win32.UnsafeNativeMethods.ObtainUserAgentString();
hr = MS.Internal.Interop.HRESULT.S_OK;
}
hr.ThrowIfFailed();
initData.UserAgentString = userAgent;
initData.HostingFlags = hostingFlags;
Uri activationUri = new UriBuilder(path).Uri;
initData.ActivationUri.Value = activationUri;
PresentationAppDomainManager.ActivationUri = activationUri;
// We do this here so that it will be set correctly when our deployment application
// launches. This matters because if it isn't set when the app ctor is run, then
// we will call Dispatcher.Run synchronously, which will make the browser
// unresponsive.
BrowserInteropHelper.SetBrowserHosted(true);
if ((hostingFlags & HostingFlags.hfInDebugMode) != 0)
{
_browserCallbackServices.ChangeDownloadState(false); // stop waving the flag
_browserCallbackServices.UpdateProgress(-1, 0); // make the progress bar go away
EnableErrorPage();
_appProxyInternal = new ApplicationLauncherXappDebug(path, debugSecurityZoneURL).Initialize();
}
else
{
switch (mime)
{
case MimeType.Document:
_appProxyInternal = CreateAppDomainForXpsDocument();
if (_appProxyInternal == null)
{
exitCode = -1;
}
else
{
if (streamContainer != null)
{
IntPtr punk = Marshal.GetIUnknownForObject(streamContainer);
_appProxyInternal.StreamContainer = punk;
Marshal.Release(punk);
}
}
// Free objects (after the _appProxyInternal.Run(initData) call below).
// For the other MIME types, this is done in RunApplication().
_initData.Value = null;
break;
case MimeType.Markup:
_appProxyInternal = CreateAppDomainForLooseXaml(activationUri);
_initData.Value = null; // Not needed anymore.
break;
case MimeType.Application:
// This is a browser hosted express app scenario.
// Setup XappLauncherApp with default values, and instantiate
// ApplicationProxyInternal for this AppDomain.
XappLauncherApp application = new XappLauncherApp(activationUri, applicationId,
_browserCallbackServices, new ApplicationRunnerCallback(RunApplication),
nativeProgressPage,
progressAssemblyName, progressClassName, errorAssemblyName, errorClassName);
// No need to handle history for progress app. Remember
// it for the real app.
initData.HandleHistoryLoad = false;
_appProxyInternal = new ApplicationProxyInternal();
break;
default:
exitCode = -1;
break;
}
}
if (exitCode != -1)
{
if (mime == MimeType.Document || mime == MimeType.Markup)
{
//[[....], 7/27/07]
// Unfortunately, XPSViewer relies on the unhandled exception page to report bad XAML.
// Ideally, only exceptions from the XamlReader should be caught and shown this way,
// in order not to hide platform bugs. But it's more than one place where XAML is
// loaded from the XPS package, and in more than one way. A little too much to change
// in SP1.
// For loose XAML viewing, most exceptions likely to occur from this point on should be
// due to bad XAML.
EnableErrorPage();
}
//[[....], 01/06/08]
// This mitigates TFS Dev10 451830 by showing an actionable message instead of crashing
// deep inside the Input code where MSCTF gets loaded and fails to do so. More info on the
// conditions leading to this bug and how we detect those can be found in the method used
// for the check below and in the TFS bug database.
// See KB article http://support.microsoft.com/kb/954494 (linked in the displayed message).
if (IsAffectedByCtfIssue())
{
exitCode = -1;
_browserCallbackServices.ProcessUnhandledException(
String.Format(
CultureInfo.CurrentCulture,
SR.Get(SRID.AffectedByMsCtfIssue),
"http://support.microsoft.com/kb/954494"
)
);
}
else
{
exitCode = _appProxyInternal.Run(initData);
}
}
}
catch (Exception ex)
{
exitCode = -1;
// The exception is re-thrown here, but it will get translated to an HRESULT by
// COM Interop. That's why ProcessUnhandledException() is called directly.
// In most cases it runs a modal loop around the error page and never returns.
_browserCallbackServices.ProcessUnhandledException(ex.ToString());
throw;
}
catch
{
// This catches non-CLS compliant exceptions.
// Not having this clause triggers an FxCop violation.
exitCode = -1;
_browserCallbackServices.ProcessUnhandledException(SR.Get(SRID.NonClsActivationException));
throw;
}
finally
{
Cleanup(exitCode);
}
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordHosting | EventTrace.Keyword.KeywordPerf, EventTrace.Event.WpfHost_IBHSRunEnd, exitCode);
return exitCode;
}
internal void RunApplication(ApplicationRunner runner)
{
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordHosting | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose, EventTrace.Event.WpfHost_DocObjHostRunApplicationStart);
// Run the App in the new AppDomain and ask the AppDomainManager
// to save it.
PresentationAppDomainManager.SaveAppDomain = true;
EnableErrorPage();
runner();
Invariant.Assert(PresentationAppDomainManager.NewAppDomain != null);
if (ApplicationProxyInternal.Current == null)
{
Debug.Fail("Unexpected reentrant PostShutdown?");
return;
}
// Create an ApplicationProxyInternal in the new domain.
PresentationAppDomainManager appDomainMgrProxy =
PresentationAppDomainManager.NewAppDomain.DomainManager as PresentationAppDomainManager;
// And replace _appProxyInternal.
Invariant.Assert(ApplicationProxyInternal.Current == _appProxyInternal,
"AppProxyInternal has shut down unexpectedly.");
_appProxyInternal = appDomainMgrProxy.CreateApplicationProxyInternal();
PresentationAppDomainManager.SaveAppDomain = false;
// Run the app.
ApplicationProxyInternal.InitData initData = _initData.Value;
initData.HandleHistoryLoad = true;
_appProxyInternal.Run(initData);
_initData.Value = null; // free objects
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordHosting | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose, EventTrace.Event.WpfHost_DocObjHostRunApplicationEnd);
}
internal void RunApplication(ApplicationRunner runner)
{
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordHosting | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose, EventTrace.Event.WpfHost_DocObjHostRunApplicationStart);
// Run the App in the new AppDomain and ask the AppDomainManager
// to save it.
PresentationAppDomainManager.SaveAppDomain = true;
EnableErrorPage();
if (runner())
{
Invariant.Assert(PresentationAppDomainManager.NewAppDomain != null, "Failed to start the application in a new AppDomain");
Invariant.Assert(ApplicationProxyInternal.Current != null, "Unexpected reentrant PostShutdown?");
// Create an ApplicationProxyInternal in the new domain.
PresentationAppDomainManager appDomainMgrProxy =
PresentationAppDomainManager.NewAppDomain.DomainManager as PresentationAppDomainManager;
// And replace _appProxyInternal.
Invariant.Assert(ApplicationProxyInternal.Current == _appProxyInternal,
"AppProxyInternal has shut down unexpectedly.");
_appProxyInternal = appDomainMgrProxy.CreateApplicationProxyInternal();
PresentationAppDomainManager.SaveAppDomain = false;
// Run the app.
ApplicationProxyInternal.InitData initData = _initData.Value;
initData.HandleHistoryLoad = true;
_appProxyInternal.Run(initData);
_initData.Value = null; // free objects
}
else
{
// Cached application activation failed
// we will give the app launcher a chance to retry with Uri activation
PresentationAppDomainManager.SaveAppDomain = false;
}
EventTrace.EasyTraceEvent(EventTrace.Keyword.KeywordHosting | EventTrace.Keyword.KeywordPerf, EventTrace.Level.Verbose, EventTrace.Event.WpfHost_DocObjHostRunApplicationEnd);
}
