internal void StartEvents()
{
if (this._connectionPoint != null)
{
return;
}
object activeXInstance = this.Host.ActiveXInstance;
if (activeXInstance != null)
{
try
{
this._connectionPoint = new ConnectionPointCookie(activeXInstance, this, typeof(UnsafeNativeMethods.IPropertyNotifySink));
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalException(ex))
{
throw;
}
}
}
}
//------------------------------------------------------
//
// Private Methods
//
//------------------------------------------------------
#region Private Methods
private Uri GetEntryAssemblyLocation()
{
Uri entryLocation = null;
try
{
entryLocation = new Uri(Application.ResourceAssembly.CodeBase);
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalException(ex))
{
throw;
}
// `Swallow any other exceptions to avoid disclosing the critical path.
//
// Possible Exceptions: ArgumentException, ArgumentNullException, PathTooLongException
// DirectoryNotFoundException, IOException, UnauthorizedAccessException,
// ArgumentOutOfRangeException, FileNotFoundException, NotSupportedException
}
return(entryLocation);
}
protected override XamlType GetXamlType(string xamlNamespace, string name, params XamlType[] typeArguments)
{
try
{
return(LookupXamlType(xamlNamespace, name, typeArguments));
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
if (_typeMapper.LoadReferenceAssemblies())
{
// If new reference assemblies were loaded, retry the type load
return(LookupXamlType(xamlNamespace, name, typeArguments));
}
else
{
throw;
}
}
}
// Token: 0x060007C0 RID: 1984 RVA: 0x0001884C File Offset: 0x00016A4C
private object GetTypedParamValue(string param, Type type, bool throwOnError)
{
object obj = null;
if (type == typeof(string))
{
return(param);
}
TypeConverter converter = TypeDescriptor.GetConverter(type);
if (converter != null && converter.CanConvertFrom(typeof(string)))
{
try
{
obj = converter.ConvertFromString(null, CultureInfo.InvariantCulture, param);
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalApplicationException(ex) || throwOnError)
{
throw;
}
}
catch
{
if (throwOnError)
{
throw;
}
}
}
if (obj == null && type.IsAssignableFrom(typeof(string)))
{
obj = param;
}
return(obj);
}
internal void Disconnect()
{
if (this.connectionPoint != null && this.cookie != 0)
{
try
{
this.connectionPoint.Unadvise(this.cookie);
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalException(ex))
{
throw;
}
}
finally
{
this.cookie = 0;
}
try
{
Marshal.FinalReleaseComObject(this.connectionPoint);
}
catch (Exception ex2)
{
if (CriticalExceptions.IsCriticalException(ex2))
{
throw;
}
}
finally
{
this.connectionPoint = null;
}
}
}
public override object GetValue(Object obj, XamlMember property, bool failIfWriteOnly)
{
object value;
try
{
if (property.IsDirective)
{
value = this.CreateInstance(property.Type, null);
}
else if (!failIfWriteOnly)
{
try
{
value = GetValue(property, obj);
}
catch (NotSupportedException)
{
value = null;
}
}
else
{
value = GetValue(property, obj);
}
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
throw CreateException(SR.Get(SRID.GetValue, property), UnwrapTargetInvocationException(e));
}
return(value);
}
private Uri GetEntryAssemblyLocation()
{
Uri result = null;
PermissionSet permissionSet = new PermissionSet(null);
permissionSet.AddPermission(new FileIOPermission(PermissionState.Unrestricted));
permissionSet.Assert();
try
{
result = new Uri(Application.ResourceAssembly.CodeBase);
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalException(ex))
{
throw;
}
}
finally
{
CodeAccessPermission.RevertAssert();
}
return(result);
}
public override KeyValuePair <AttachableMemberIdentifier, object>[] GetAttachedProperties(object instance)
{
KeyValuePair <AttachableMemberIdentifier, object>[] pairArray2;
try
{
KeyValuePair <AttachableMemberIdentifier, object>[] array = null;
int attachedPropertyCount = AttachablePropertyServices.GetAttachedPropertyCount(instance);
if (attachedPropertyCount > 0)
{
array = new KeyValuePair <AttachableMemberIdentifier, object> [attachedPropertyCount];
AttachablePropertyServices.CopyPropertiesTo(instance, array, 0);
}
pairArray2 = array;
}
catch (Exception exception)
{
if (CriticalExceptions.IsCriticalException(exception))
{
throw;
}
throw this.CreateException(System.Xaml.SR.Get("APSException", new object[] { instance }));
}
return(pairArray2);
}
// Token: 0x06001CE3 RID: 7395 RVA: 0x00086FA8 File Offset: 0x000851A8
private void CreateDocFromExternalSource(WebRequest request)
{
bool flag = TraceData.IsExtendedTraceEnabled(this, TraceDataLevel.Transfer);
XmlDocument xmlDocument = new XmlDocument();
Exception ex = null;
try
{
if (flag)
{
TraceData.Trace(TraceEventType.Warning, TraceData.XmlLoadSource(new object[]
{
TraceData.Identify(this),
base.Dispatcher.CheckAccess() ? "synchronous" : "asynchronous",
TraceData.Identify(request.RequestUri.ToString())
}));
}
WebResponse response = WpfWebRequestHelper.GetResponse(request);
if (response == null)
{
throw new InvalidOperationException(SR.Get("GetResponseFailed"));
}
Stream responseStream = response.GetResponseStream();
if (flag)
{
TraceData.Trace(TraceEventType.Warning, TraceData.XmlLoadDoc(new object[]
{
TraceData.Identify(this)
}));
}
xmlDocument.Load(responseStream);
responseStream.Close();
}
catch (Exception ex2)
{
if (CriticalExceptions.IsCriticalException(ex2))
{
throw;
}
ex = ex2;
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.XmlDPAsyncDocError, this.Source, ex);
}
}
catch
{
throw;
}
if (ex != null)
{
if (TraceData.IsExtendedTraceEnabled(this, TraceDataLevel.Attach))
{
TraceData.Trace(TraceEventType.Warning, TraceData.QueryFinished(new object[]
{
TraceData.Identify(this),
base.Dispatcher.CheckAccess() ? "synchronous" : "asynchronous",
TraceData.Identify(null),
TraceData.IdentifyException(ex)
}));
}
this.OnQueryFinished(null, ex, this.CompletedCallback, null);
return;
}
this.BuildNodeCollection(xmlDocument);
}
InvokeSaveAsXamlBatchWorkItem(
Object arg
)
{
//
// PreSharp uses message numbers that the C# compiler doesn't know about.
// Disable the C# complaints, per the PreSharp documentation.
#pragma warning disable 1634, 1691
//
// PreSharp complains about catching NullReference (and other) exceptions.
// This is an async model and we need to catch all exception ourselves and then
// send them to the completion delegate
#pragma warning disable 56500
try
{
// This logic must be mirrored in IsAsyncWorkPending see remarks.
if (!_serializationOperationCanceled)
{
if (!_isBatchWorkItemInProgress && _batchOperationQueue.Count > 0)
{
BatchOperationWorkItem batchOperationWorkItem = (BatchOperationWorkItem)_batchOperationQueue.Dequeue();
if (batchOperationWorkItem.OperationType == BatchOperationType.batchWrite)
{
_currentPageXmlWriter = Simulator.SimulateBeginFixedPage();
ReachSerializer reachSerializer = GetSerializer(batchOperationWorkItem.SerializedObject);
if (reachSerializer != null)
{
//
// Prepare the context that is going to be pushed on the stack
//
SerializationManagerOperationContextStack
contextStack = new SerializationManagerOperationContextStack(reachSerializer,
batchOperationWorkItem.SerializedObject);
//
// At this stage, start calling another method which would peak at the stack
//
_operationStack.Push(contextStack);
PostSerializationTask(new DispatcherOperationCallback(InvokeSaveAsXamlBatchWorkItem));
}
else
{
throw new XpsSerializationException(SR.Get(SRID.ReachSerialization_NoSerializer));
}
_isBatchWorkItemInProgress = true;
}
else if (batchOperationWorkItem.OperationType == BatchOperationType.batchCommit)
{
Simulator.EndConfirmToXPSStructure(IsBatchMode);
XPSSerializationCompletionMethod();
}
}
else
{
if (_operationStack.Count > 0)
{
Object objectOnStack = _operationStack.Pop();
if (objectOnStack.GetType() ==
typeof(System.Windows.Xps.Serialization.SerializationManagerOperationContextStack))
{
SerializationManagerOperationContextStack context =
(SerializationManagerOperationContextStack)objectOnStack;
context.ReachSerializer.SerializeObject(context.SerializedObject);
}
else if (typeof(System.Windows.Xps.Serialization.ReachSerializerContext).IsAssignableFrom(objectOnStack.GetType()))
{
ReachSerializerContext context = (ReachSerializerContext)objectOnStack;
context.Serializer.AsyncOperation(context);
}
PostSerializationTask(new DispatcherOperationCallback(InvokeSaveAsXamlBatchWorkItem));
}
else
{
Simulator.SimulateEndFixedPage(_currentPageXmlWriter);
_isBatchWorkItemInProgress = false;
_currentPageXmlWriter = null;
}
}
}
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
//
// Indicate that an error happened
//
bool canceled = false;
XpsSerializationCompletedEventArgs args = new XpsSerializationCompletedEventArgs(canceled,
null,
e);
_serializationOperationCanceled = true;
PostSerializationTask(new DispatcherOperationCallback(OnXPSSerializationCompleted), args);
return(null);
}
#pragma warning restore 56500
#pragma warning restore 1634, 1691
return(null);
}
InvokeSaveAsXamlWorkItem(
Object arg
)
{
//
// PreSharp uses message numbers that the C# compiler doesn't know about.
// Disable the C# complaints, per the PreSharp documentation.
#pragma warning disable 1634, 1691
//
// PreSharp complains about catching NullReference (and other) exceptions.
// This is an async model and we need to catch all exception ourselves and then
// send them to the completion delegate
#pragma warning disable 56500
try
{
if (!_serializationOperationCanceled)
{
if (_operationStack.Count > 0)
{
Object objectOnStack = _operationStack.Pop();
if (objectOnStack.GetType() ==
typeof(System.Windows.Xps.Serialization.SerializationManagerOperationContextStack))
{
SerializationManagerOperationContextStack context =
(SerializationManagerOperationContextStack)objectOnStack;
context.ReachSerializer.SerializeObject(context.SerializedObject);
}
else if (typeof(System.Windows.Xps.Serialization.ReachSerializerContext).IsAssignableFrom(objectOnStack.GetType()))
{
ReachSerializerContext context = (ReachSerializerContext)objectOnStack;
context.Serializer.AsyncOperation(context);
}
PostSerializationTask(new DispatcherOperationCallback(InvokeSaveAsXamlWorkItem));
}
else
{
Simulator.EndConfirmToXPSStructure(IsBatchMode);
XPSSerializationCompletionMethod();
}
}
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
//
// Indicate that an error happened
//
bool canceled = false;
XpsSerializationCompletedEventArgs args = new XpsSerializationCompletedEventArgs(canceled,
null,
e);
_serializationOperationCanceled = true;
PostSerializationTask(new DispatcherOperationCallback(OnXPSSerializationCompleted), args);
return(null);
}
#pragma warning restore 56500
#pragma warning restore 1634, 1691
return(null);
}
object InvokeMethodOnInstance(out Exception e)
{
object data = null;
string error = null; // string that describes known error
e = null;
Debug.Assert(_objectType != null);
object[] parameters = new object[_methodParameters.Count];
_methodParameters.CopyTo(parameters, 0);
// PreSharp uses message numbers that the C# compiler doesn't know about.
// Disable the C# complaints, per the PreSharp documentation.
#pragma warning disable 1634, 1691
// PreSharp complains about catching NullReference (and other) exceptions.
// It doesn't recognize that IsCritical[Application]Exception() handles these correctly.
#pragma warning disable 56500
try
{
data = _objectType.InvokeMember(MethodName,
s_invokeMethodFlags, null, _objectInstance, parameters,
System.Globalization.CultureInfo.InvariantCulture);
}
catch (ArgumentException ae)
{
error = "Parameter array contains a string that is a null reference.";
e = ae;
}
catch (MethodAccessException mae)
{
error = "The specified member is a class initializer.";
e = mae;
}
catch (MissingMethodException mme)
{
error = "No method was found with matching parameter signature.";
e = mme;
}
catch (TargetException te)
{
error = "The specified member cannot be invoked on target.";
e = te;
}
catch (AmbiguousMatchException ame)
{
error = "More than one method matches the binding criteria.";
e = ame;
}
// Catch all exceptions. When there is no app code on the stack,
// the exception isn't actionable by the app.
// Yet we don't want to crash the app.
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalApplicationException(ex))
{
throw;
}
error = null; // indicate unknown error
e = ex;
}
catch //FXCop Fix: CatchNonClsCompliantExceptionsInGeneralHandlers
{
error = null; // indicate unknown error
e = new InvalidOperationException(SR.Get(SRID.ObjectDataProviderNonCLSExceptionInvoke, MethodName, _objectType.Name));
}
#pragma warning restore 56500
#pragma warning restore 1634, 1691
if (e != null || error != null)
{
// report known errors through TraceData (instead of throwing exceptions)
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.ObjDPInvokeFailed, MethodName, _objectType.Name, error, e);
}
// in async mode we pass all exceptions to main thread;
// in [....] mode we don't handle unknown exceptions.
if (!IsAsynchronous && error == null)
{
throw e;
}
}
return(data);
}
object CreateObjectInstance(out Exception e)
{
object instance = null;
string error = null; // string that describes known error
e = null;
// PreSharp uses message numbers that the C# compiler doesn't know about.
// Disable the C# complaints, per the PreSharp documentation.
#pragma warning disable 1634, 1691
// PreSharp complains about catching NullReference (and other) exceptions.
// It doesn't recognize that IsCritical[Application]Exception() handles these correctly.
#pragma warning disable 56500
Debug.Assert(_objectType != null);
try
{
object[] parameters = new object[_constructorParameters.Count];
_constructorParameters.CopyTo(parameters, 0);
instance = Activator.CreateInstance(_objectType, 0, null, parameters,
System.Globalization.CultureInfo.InvariantCulture);
OnPropertyChanged(s_instance);
}
catch (ArgumentException ae)
{
// this may fire when trying to create Context Affinity objects
error = "Cannot create Context Affinity object.";
e = ae;
}
catch (System.Runtime.InteropServices.COMException ce)
{
// this may fire due to marshalling issues
error = "Marshaling issue detected.";
e = ce;
}
catch (System.MissingMethodException mme)
{
// this may be due to setting parameters to a non parameter
// only class contructor
error = "Wrong parameters for constructor.";
e = mme;
}
// Catch all exceptions. When there is no app code on the stack,
// the exception isn't actionable by the app.
// Yet we don't want to crash the app.
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalApplicationException(ex))
{
throw;
}
error = null; // indicate unknown error
e = ex;
}
catch // non CLS compliant exception
{
error = null; // indicate unknown error
e = new InvalidOperationException(SR.Get(SRID.ObjectDataProviderNonCLSException, _objectType.Name));
}
#pragma warning restore 56500
#pragma warning restore 1634, 1691
if (e != null || error != null)
{
// report known errors through TraceData (instead of throwing exceptions)
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.ObjDPCreateFailed, _objectType.Name, error, e);
}
// in async mode we pass all exceptions to main thread;
// in [....] mode we don't handle unknown exceptions.
if (!IsAsynchronous && error == null)
{
throw e;
}
}
return(instance);
}
// Token: 0x06001C5B RID: 7259 RVA: 0x000857F4 File Offset: 0x000839F4
private object InvokeMethodOnInstance(out Exception e)
{
object result = null;
string text = null;
e = null;
object[] array = new object[this._methodParameters.Count];
this._methodParameters.CopyTo(array, 0);
try
{
result = this._objectType.InvokeMember(this.MethodName, BindingFlags.Instance | BindingFlags.Static | BindingFlags.Public | BindingFlags.FlattenHierarchy | BindingFlags.InvokeMethod | BindingFlags.OptionalParamBinding, null, this._objectInstance, array, CultureInfo.InvariantCulture);
}
catch (ArgumentException ex)
{
text = "Parameter array contains a string that is a null reference.";
e = ex;
}
catch (MethodAccessException ex2)
{
text = "The specified member is a class initializer.";
e = ex2;
}
catch (MissingMethodException ex3)
{
text = "No method was found with matching parameter signature.";
e = ex3;
}
catch (TargetException ex4)
{
text = "The specified member cannot be invoked on target.";
e = ex4;
}
catch (AmbiguousMatchException ex5)
{
text = "More than one method matches the binding criteria.";
e = ex5;
}
catch (Exception ex6)
{
if (CriticalExceptions.IsCriticalApplicationException(ex6))
{
throw;
}
text = null;
e = ex6;
}
catch
{
text = null;
e = new InvalidOperationException(SR.Get("ObjectDataProviderNonCLSExceptionInvoke", new object[]
{
this.MethodName,
this._objectType.Name
}));
}
if (e != null || text != null)
{
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.ObjDPInvokeFailed, new object[]
{
this.MethodName,
this._objectType.Name,
text,
e
});
}
if (!this.IsAsynchronous && text == null)
{
throw e;
}
}
return(result);
}
// this method can run on a worker thread!
private void CreateDocFromExternalSource(WebRequest request)
{
bool isExtendedTraceEnabled = TraceData.IsExtendedTraceEnabled(this, TraceDataLevel.XmlProvider);
XmlDocument doc = new XmlDocument();
Exception ex = null;
// request the content from the URI
try
{
if (isExtendedTraceEnabled)
{
TraceData.Trace(TraceEventType.Warning,
TraceData.XmlLoadSource(
TraceData.Identify(this),
Dispatcher.CheckAccess() ? "synchronous" : "asynchronous",
TraceData.Identify(request.RequestUri.ToString())));
}
WebResponse response = WpfWebRequestHelper.GetResponse(request);
if (response == null)
{
throw new InvalidOperationException(SR.Get(SRID.GetResponseFailed));
}
// Get Stream and content type from WebResponse.
Stream stream = response.GetResponseStream();
if (isExtendedTraceEnabled)
{
TraceData.Trace(TraceEventType.Warning,
TraceData.XmlLoadDoc(
TraceData.Identify(this)));
}
// load the XML from the stream
doc.Load(stream);
stream.Close();
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
ex = e;
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.XmlDPAsyncDocError, Source, ex);
}
}
//FXCop Fix: CatchNonClsCompliantExceptionsInGeneralHandlers
catch
{
throw;
}
if (ex != null)
{
if (TraceData.IsExtendedTraceEnabled(this, TraceDataLevel.ProviderQuery))
{
TraceData.Trace(TraceEventType.Warning,
TraceData.QueryFinished(
TraceData.Identify(this),
Dispatcher.CheckAccess() ? "synchronous" : "asynchronous",
TraceData.Identify(null),
TraceData.IdentifyException(ex)));
}
// we're done if we got an error up to this point
// both .Data and .Document properties will be reset to null
OnQueryFinished(null, ex, CompletedCallback, null);
return; // have an error, no processing of DOM
}
BuildNodeCollection(doc);
// above method also calls OnQueryFinished to push new property values
}
internal ConnectionPointCookie(object source, object sink, Type eventInterface)
{
Exception ex = null;
if (source is UnsafeNativeMethods.IConnectionPointContainer)
{
UnsafeNativeMethods.IConnectionPointContainer connectionPointContainer = (UnsafeNativeMethods.IConnectionPointContainer)source;
try
{
Guid guid = eventInterface.GUID;
if (connectionPointContainer.FindConnectionPoint(ref guid, out this.connectionPoint) != 0)
{
this.connectionPoint = null;
}
}
catch (Exception ex2)
{
if (CriticalExceptions.IsCriticalException(ex2))
{
throw;
}
this.connectionPoint = null;
}
if (this.connectionPoint == null)
{
ex = new ArgumentException(SR.Get("AxNoEventInterface", new object[]
{
eventInterface.Name
}));
}
else if (sink == null || (!eventInterface.IsInstanceOfType(sink) && !Marshal.IsComObject(sink)))
{
ex = new InvalidCastException(SR.Get("AxNoSinkImplementation", new object[]
{
eventInterface.Name
}));
}
else
{
int num = this.connectionPoint.Advise(sink, ref this.cookie);
if (num != 0)
{
this.cookie = 0;
Marshal.FinalReleaseComObject(this.connectionPoint);
this.connectionPoint = null;
ex = new InvalidOperationException(SR.Get("AxNoSinkAdvise", new object[]
{
eventInterface.Name,
num
}));
}
}
}
else
{
ex = new InvalidCastException(SR.Get("AxNoConnectionPointContainer"));
}
if (this.connectionPoint != null && this.cookie != 0)
{
return;
}
if (this.connectionPoint != null)
{
Marshal.FinalReleaseComObject(this.connectionPoint);
}
if (ex == null)
{
throw new ArgumentException(SR.Get("AxNoConnectionPoint", new object[]
{
eventInterface.Name
}));
}
throw ex;
}
/// Creates a connection point to of the given interface type.
/// which will call on a managed code sink that implements that interface.
internal ConnectionPointCookie(object source, object sink, Type eventInterface)
{
Exception ex = null;
if (source is UnsafeNativeMethods.IConnectionPointContainer)
{
UnsafeNativeMethods.IConnectionPointContainer cpc = (UnsafeNativeMethods.IConnectionPointContainer)source;
try
{
Guid tmp = eventInterface.GUID;
if (cpc.FindConnectionPoint(ref tmp, out connectionPoint) != NativeMethods.S_OK)
{
connectionPoint = null;
}
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
connectionPoint = null;
}
if (connectionPoint == null)
{
ex = new ArgumentException(SR.Get(SRID.AxNoEventInterface, eventInterface.Name));
}
// IsComObject(sink): this is the case of a managed sink object wrapped in IDispatchSTAForwarder -
// see WebBrowser.CreateSink().
else if (sink == null || !eventInterface.IsInstanceOfType(sink) && !Marshal.IsComObject(sink))
{
ex = new InvalidCastException(SR.Get(SRID.AxNoSinkImplementation, eventInterface.Name));
}
else
{
int hr = connectionPoint.Advise(sink, ref cookie);
if (hr != NativeMethods.S_OK)
{
cookie = 0;
Marshal.FinalReleaseComObject(connectionPoint);
connectionPoint = null;
ex = new InvalidOperationException(SR.Get(SRID.AxNoSinkAdvise, eventInterface.Name, hr));
}
}
}
else
{
ex = new InvalidCastException(SR.Get(SRID.AxNoConnectionPointContainer));
}
if (connectionPoint == null || cookie == 0)
{
if (connectionPoint != null)
{
Marshal.FinalReleaseComObject(connectionPoint);
}
if (ex == null)
{
throw new ArgumentException(SR.Get(SRID.AxNoConnectionPoint, eventInterface.Name));
}
else
{
throw ex;
}
}
}
///
/// Begin a download
///
internal static void BeginDownload(
BitmapDecoder decoder,
Uri uri,
RequestCachePolicy uriCachePolicy,
Stream stream
)
{
lock (_syncLock)
{
if (!_thread.IsAlive)
{
_thread.IsBackground = true;
_thread.Start();
}
}
QueueEntry entry;
// If there is already a download for this uri, just add the decoder to the list
if (uri != null)
{
lock (_syncLock)
{
if (_uriTable[uri] != null)
{
entry = (QueueEntry)_uriTable[uri];
entry.decoders.Add(new WeakReference(decoder));
return;
}
}
}
entry = new QueueEntry();
entry.decoders = new List <WeakReference>();
lock (_syncLock)
{
entry.decoders.Add(new WeakReference(decoder));
}
entry.inputUri = uri;
entry.inputStream = stream;
string cacheFolder = MS.Win32.WinInet.InternetCacheFolder.LocalPath;
bool passed = false;
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert(); // BlessedAssert
try
{
// Get the file path
StringBuilder tmpFileName = new StringBuilder(NativeMethods.MAX_PATH);
MS.Win32.UnsafeNativeMethods.GetTempFileName(cacheFolder, "WPF", 0, tmpFileName);
try
{
string pathToUse = tmpFileName.ToString();
SafeFileHandle fileHandle = MS.Win32.UnsafeNativeMethods.CreateFile(
pathToUse,
NativeMethods.GENERIC_READ | NativeMethods.GENERIC_WRITE, /* dwDesiredAccess */
0, /* dwShare */
null, /* lpSecurityAttributes */
NativeMethods.CREATE_ALWAYS, /* dwCreationDisposition */
NativeMethods.FILE_ATTRIBUTE_TEMPORARY |
NativeMethods.FILE_FLAG_DELETE_ON_CLOSE, /* dwFlagsAndAttributes */
IntPtr.Zero /* hTemplateFile */
);
if (fileHandle.IsInvalid)
{
throw new Win32Exception();
}
entry.outputStream = new FileStream(fileHandle, FileAccess.ReadWrite);
entry.streamPath = pathToUse;
passed = true;
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
}
}
finally
{
SecurityPermission.RevertAssert();
}
if (!passed)
{
throw new IOException(SR.Get(SRID.Image_CannotCreateTempFile));
}
entry.readBuffer = new byte[READ_SIZE];
entry.contentLength = -1;
entry.contentType = string.Empty;
entry.lastPercent = 0;
// Add the entry to the table if we know the uri
if (uri != null)
{
lock (_syncLock)
{
_uriTable[uri] = entry;
}
}
if (stream == null)
{
entry.webRequest = WpfWebRequestHelper.CreateRequest(uri);
if (uriCachePolicy != null)
{
entry.webRequest.CachePolicy = uriCachePolicy;
}
entry.webRequest.BeginGetResponse(_responseCallback, entry);
}
else
{
_workQueue.Enqueue(entry);
// Signal
_waitEvent.Set();
}
}
/// <summary>
/// Validate is called when Data binding is updating
/// </summary>
public override ValidationResult Validate(object value, CultureInfo cultureInfo)
{
// This rule is called during the CommittedValue step, so the value is the
// owner of the rule collection - either a BindingGroup or an individual
// binding expression.
BindingGroup bindingGroup;
BindingExpression bindingExpr;
if ((bindingGroup = value as BindingGroup) != null)
{
// in a BindingGroup, check the item-level IDataErrorInfo for each
// source item in the group
IList items = bindingGroup.Items;
for (int i = items.Count - 1; i >= 0; --i)
{
IDataErrorInfo idei = items[i] as IDataErrorInfo;
if (idei != null)
{
string error = idei.Error;
if (!String.IsNullOrEmpty(error))
{
return(new ValidationResult(false, error));
}
}
}
}
else if ((bindingExpr = value as BindingExpression) != null)
{
// in a binding, check the error info for the binding's source
// property
IDataErrorInfo idei = bindingExpr.SourceItem as IDataErrorInfo;
string name = (idei != null) ? bindingExpr.SourcePropertyName : null;
if (!String.IsNullOrEmpty(name))
{
// get the data error information, if any, by calling idie[name].
// We do this in a paranoid way, even though indexers with
// string-valued arguments are not supposed to throw exceptions.
// PreSharp uses message numbers that the C# compiler doesn't know about.
// Disable the C# complaints, per the PreSharp documentation.
#pragma warning disable 1634, 1691
// PreSharp complains about catching NullReference (and other) exceptions.
// It doesn't recognize that IsCritical[Application]Exception() handles these correctly.
#pragma warning disable 56500
string error;
try
{
error = idei[name];
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalApplicationException(ex))
{
throw;
}
error = null;
if (TraceData.IsEnabled)
{
TraceData.TraceAndNotify(TraceEventType.Error,
TraceData.DataErrorInfoFailed(
name,
idei.GetType().FullName,
ex.GetType().FullName,
ex.Message),
bindingExpr);
}
}
#pragma warning restore 56500
#pragma warning restore 1634, 1691
if (!String.IsNullOrEmpty(error))
{
return(new ValidationResult(false, error));
}
}
}
else
{
throw new InvalidOperationException(SR.Get(SRID.ValidationRule_UnexpectedValue, this, value));
}
return(ValidationResult.ValidResult);
}
InvokeSaveAsXamlBatchWorkItem(
Object arg
)
{
try
{
// This logic must be mirrored in IsAsyncWorkPending see remarks.
if (!_serializationOperationCanceled)
{
if (!_isBatchWorkItemInProgress && _batchOperationQueue.Count > 0)
{
BatchOperationWorkItem batchOperationWorkItem = (BatchOperationWorkItem)_batchOperationQueue.Dequeue();
if (batchOperationWorkItem.OperationType == BatchOperationType.batchWrite)
{
_currentPageXmlWriter = Simulator.SimulateBeginFixedPage();
ReachSerializer reachSerializer = GetSerializer(batchOperationWorkItem.SerializedObject);
if (reachSerializer != null)
{
//
// Prepare the context that is going to be pushed on the stack
//
SerializationManagerOperationContextStack
contextStack = new SerializationManagerOperationContextStack(reachSerializer,
batchOperationWorkItem.SerializedObject);
//
// At this stage, start calling another method which would peak at the stack
//
_operationStack.Push(contextStack);
PostSerializationTask(new DispatcherOperationCallback(InvokeSaveAsXamlBatchWorkItem));
}
else
{
throw new XpsSerializationException(SR.Get(SRID.ReachSerialization_NoSerializer));
}
_isBatchWorkItemInProgress = true;
}
else if (batchOperationWorkItem.OperationType == BatchOperationType.batchCommit)
{
Simulator.EndConfirmToXPSStructure(IsBatchMode);
XPSSerializationCompletionMethod();
}
}
else
{
if (_operationStack.Count > 0)
{
Object objectOnStack = _operationStack.Pop();
if (objectOnStack.GetType() ==
typeof(System.Windows.Xps.Serialization.SerializationManagerOperationContextStack))
{
SerializationManagerOperationContextStack context =
(SerializationManagerOperationContextStack)objectOnStack;
context.ReachSerializer.SerializeObject(context.SerializedObject);
}
else if (typeof(System.Windows.Xps.Serialization.ReachSerializerContext).IsAssignableFrom(objectOnStack.GetType()))
{
ReachSerializerContext context = (ReachSerializerContext)objectOnStack;
context.Serializer.AsyncOperation(context);
}
PostSerializationTask(new DispatcherOperationCallback(InvokeSaveAsXamlBatchWorkItem));
}
else
{
Simulator.SimulateEndFixedPage(_currentPageXmlWriter);
_isBatchWorkItemInProgress = false;
_currentPageXmlWriter = null;
}
}
}
}
catch (Exception e) when(!CriticalExceptions.IsCriticalException(e))
{
XpsSerializationCompletedEventArgs args = new XpsSerializationCompletedEventArgs(false, // Indicate that an error happened
null,
e);
_serializationOperationCanceled = true;
PostSerializationTask(new DispatcherOperationCallback(OnXPSSerializationCompleted), args);
}
return(null);
}
/// <summary> Called by the browser to serialize the entire journal or just the index of
/// the current entry. The second case is when an internal Journal update needs to be
/// reflected in the TravelLog.
/// </summary>
/// <param name="arg"> true is the entire Journal is to serialized </param>
private object _GetSaveHistoryBytesDelegate(object arg)
{
bool entireJournal = (bool)arg;
SaveHistoryReturnInfo info = new SaveHistoryReturnInfo();
// DevDiv 716414 / DevDiv2 196517 & 224724:
// Checking _serviceProvider for null due to COM reentrancy issues observed by customers.
// Users who perform frequent refreshes may experience shutdown while we are still starting up and are not fully initialized.
// The ServiceProvider field is one of the last things to be set during initialization, so if this is null
// we know that we have not finished initialization much less run the app and thus have no need to save history.
if (_serviceProvider == null)
{
return(null);
}
// When we are here, the browser has just started to shut down, so we should only check
// whether the application object is shutting down.
if (Application.IsApplicationObjectShuttingDown == true)
{
return(null);
}
Invariant.Assert(_rbw.Value != null, "BrowserJournalingError: _rbw should not be null");
Journal journal = _rbw.Value.Journal;
Invariant.Assert(journal != null, "BrowserJournalingError: Could not get internal journal for the window");
JournalEntry entry;
if (entireJournal) // The application is about to be shut down...
{
NavigationService topNavSvc = _rbw.Value.NavigationService;
try
{
topNavSvc.RequestCustomContentStateOnAppShutdown();
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
}
journal.PruneKeepAliveEntries();
// Since the current page is not added to the journal until it is replaced,
// we add it here explicitly to the internal Journal before serializing it.
entry = topNavSvc.MakeJournalEntry(JournalReason.NewContentNavigation);
if (entry != null && !entry.IsAlive())
{
if (entry.JEGroupState.JournalDataStreams != null)
{
entry.JEGroupState.JournalDataStreams.PrepareForSerialization();
}
journal.UpdateCurrentEntry(entry);
}
else // Maybe the current content is null or a PageFunction doesn't want to be journaled.
{ // Then the previous navigable page, if any, should be remembered as current.
entry = journal.GetGoBackEntry();
// i. _LoadHistoryStreamDelegate() has a similar special case.
}
}
else
{ // (Brittle) Assumption: GetSaveHistoryBytes() is called after the current entry has
// been updated in the internal journal but before the new navigation is committed.
// This means journal.CurrentEntry is what was just added (or updated).
// Note that it would be wrong to call topNavSvc.MakeJournalEntry() in this case because
// the navigation that just took place may be in a different NavigationService (in a
// frame), and here we don't know which one it is.
entry = journal.CurrentEntry;
// The entry may be null here when the user has selected "New Window" or pressed Ctrl+N.
// In this case the browser calls us on IPersistHistory::Save and then throws that data
// away. Hopefully at some point in the future that saved data will be loaded in the new
// window via IPersistHistory::Load. This unusual behavior is tracked in bug 1353584.
}
if (entry != null)
{
info.title = entry.Name;
info.entryId = entry.Id;
}
else
{
info.title = _rbw.Value.Title;
}
// We only use the base URI here because the travel log will validate a file URI when making a PIDL.
// We use the URI stored in the JournalEntry, and the travel log doesn't care what the URI is, so
// duplicates don't matter.
info.uri = BindUriHelper.UriToString(Uri);
MemoryStream saveStream = new MemoryStream();
saveStream.Seek(0, SeekOrigin.Begin);
if (entireJournal)
{
//Save the Journal and BaseUri also. We don't need BaseUri except for the xaml case
//since this is set specially for the container case (ssres scheme). Exe case
//will pretty much set it to the exe path. For the xaml case it is set to the path
//of the first uri(eg BaseDir\page1.xaml) that was navigated to.
//BaseDir/Subdir/page2.xaml is also considered to be in the same extent and when
//we navigate back to the app from a webpage, the baseUri should still be BaseDir
//not BaseDir/Subdir. We were setting the BaseDir from JournalEntry.Uri but we may
//end up setting BaseUri to BaseDir/Subdir which is not the same. So explicitly
//persist BaseUri as well
BrowserJournal browserJournal = new BrowserJournal(journal, BindUriHelper.BaseUri);
new SecurityPermission(SecurityPermissionFlag.SerializationFormatter).Assert();
try
{
saveStream.WriteByte(BrowserJournalHeader);
BinaryFormatter formatter = new BinaryFormatter();
formatter.Serialize(saveStream, browserJournal);
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
// The application is shutting down and the exception would not be reported anyway.
// This is here to help with debugging and failure analysis.
Invariant.Assert(false, "Failed to serialize the navigation journal: " + e);
}
finally
{
CodeAccessPermission.RevertAll();
}
}
else
{
saveStream.WriteByte(JournalIdHeader);
WriteInt32(saveStream, info.entryId);
}
info.saveByteArray = saveStream.ToArray();
((IDisposable)saveStream).Dispose();
return(info);
}
public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value)
{
try
{
if (value == null)
{
throw GetConvertFromException(value);
}
if (((value is string) && (!string.IsNullOrEmpty((string)value))) || (value is Uri))
{
UriHolder uriHolder = TypeConverterHelper.GetUriFromUriContext(context, value);
return(BitmapFrame.CreateFromUriOrStream(
uriHolder.BaseUri,
uriHolder.OriginalUri,
null,
BitmapCreateOptions.None,
BitmapCacheOption.Default,
null
));
}
else if (value is byte[])
{
byte[] bytes = (byte[])value;
if (bytes != null)
{
Stream memStream = null;
//
// this might be a magical OLE thing, try that first.
//
memStream = GetBitmapStream(bytes);
if (memStream == null)
{
//
// guess not. Try plain memory.
//
memStream = new MemoryStream(bytes);
}
return(BitmapFrame.Create(
memStream,
BitmapCreateOptions.None,
BitmapCacheOption.Default
));
}
}
else if (value is Stream)
{
Stream stream = (Stream)value;
return(BitmapFrame.Create(
stream,
BitmapCreateOptions.None,
BitmapCacheOption.Default
));
}
return(base.ConvertFrom(context, culture, value));
}
catch (Exception e)
{
if (!CriticalExceptions.IsCriticalException(e))
{
if (context == null && CoreAppContextSwitches.OverrideExceptionWithNullReferenceException)
{
throw new NullReferenceException();
}
IProvideValueTarget ipvt = context?.GetService(typeof(IProvideValueTarget)) as IProvideValueTarget;
if (ipvt != null)
{
IProvidePropertyFallback ippf = ipvt.TargetObject as IProvidePropertyFallback;
DependencyProperty dp = ipvt.TargetProperty as DependencyProperty;
// We only want to call IPPF.SetValue if the target can handle it.
// We need to check for non DP scenarios (This is currently an internal interface used
// only by Image so it's okay for now)
if (ippf != null && dp != null && ippf.CanProvidePropertyFallback(dp.Name))
{
return(ippf.ProvidePropertyFallback(dp.Name, e));
}
}
}
// We want to rethrow the exception in the case we can't handle it.
throw;
}
}
///
/// Begin a download
///
internal static void BeginDownload(
BitmapDecoder decoder,
Uri uri,
RequestCachePolicy uriCachePolicy,
Stream stream
)
{
lock (_syncLock)
{
if (!_thread.IsAlive)
{
_thread.IsBackground = true;
_thread.Start();
}
}
QueueEntry entry;
// If there is already a download for this uri, just add the decoder to the list
if (uri != null)
{
lock (_syncLock)
{
if (_uriTable[uri] != null)
{
entry = (QueueEntry)_uriTable[uri];
entry.decoders.Add(new WeakReference(decoder));
return;
}
}
}
entry = new QueueEntry();
entry.decoders = new List <WeakReference>();
lock (_syncLock)
{
entry.decoders.Add(new WeakReference(decoder));
}
entry.inputUri = uri;
entry.inputStream = stream;
string cacheFolder = MS.Win32.WinInet.InternetCacheFolder.LocalPath;
bool passed = false;
new SecurityPermission(SecurityPermissionFlag.UnmanagedCode).Assert(); // BlessedAssert
try
{
// Get the file path
StringBuilder tmpFileName = new StringBuilder(NativeMethods.MAX_PATH);
MS.Win32.UnsafeNativeMethods.GetTempFileName(cacheFolder, "WPF", 0, tmpFileName);
try
{
string pathToUse = tmpFileName.ToString();
SafeFileHandle fileHandle = MS.Win32.UnsafeNativeMethods.CreateFile(
pathToUse,
NativeMethods.GENERIC_READ | NativeMethods.GENERIC_WRITE, /* dwDesiredAccess */
0, /* dwShare */
null, /* lpSecurityAttributes */
NativeMethods.CREATE_ALWAYS, /* dwCreationDisposition */
NativeMethods.FILE_ATTRIBUTE_TEMPORARY |
NativeMethods.FILE_FLAG_DELETE_ON_CLOSE, /* dwFlagsAndAttributes */
IntPtr.Zero /* hTemplateFile */
);
if (fileHandle.IsInvalid)
{
throw new Win32Exception();
}
entry.outputStream = new FileStream(fileHandle, FileAccess.ReadWrite);
entry.streamPath = pathToUse;
passed = true;
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e))
{
throw;
}
}
}
finally
{
SecurityPermission.RevertAssert();
}
if (!passed)
{
throw new IOException(SR.Get(SRID.Image_CannotCreateTempFile));
}
entry.readBuffer = new byte[READ_SIZE];
entry.contentLength = -1;
entry.contentType = string.Empty;
entry.lastPercent = 0;
// Add the entry to the table if we know the uri
if (uri != null)
{
lock (_syncLock)
{
_uriTable[uri] = entry;
}
}
if (stream == null)
{
bool fElevate = false;
if (uri.Scheme == Uri.UriSchemeHttp || uri.Scheme == Uri.UriSchemeHttps)
{
SecurityHelper.BlockCrossDomainForHttpsApps(uri);
// In this case we first check to see if the consumer has media permissions for
// safe media (Site of Origin + Cross domain), if it
// does we assert and run the code that requires the assert
if (SecurityHelper.CallerHasMediaPermission(MediaPermissionAudio.NoAudio,
MediaPermissionVideo.NoVideo,
MediaPermissionImage.SafeImage))
{
fElevate = true;
}
}
// This is the case where we are accessing an http image from an http site and we have media permission
if (fElevate)
{
(new WebPermission(NetworkAccess.Connect, BindUriHelper.UriToString(uri))).Assert(); // BlessedAssert
}
try
{
entry.webRequest = WpfWebRequestHelper.CreateRequest(uri);
if (uriCachePolicy != null)
{
entry.webRequest.CachePolicy = uriCachePolicy;
}
}
finally
{
if (fElevate)
{
WebPermission.RevertAssert();
}
}
entry.webRequest.BeginGetResponse(_responseCallback, entry);
}
else
{
_workQueue.Enqueue(entry);
// Signal
_waitEvent.Set();
}
}
/// <summary>
/// called when in async mode when get a time slice to read and load the Tree
/// </summary>
internal virtual void HandleAsyncQueueItem()
{
try
{
int startTickCount = MS.Win32.SafeNativeMethods.GetTickCount();
//bool moreData = true;
// for debugging, can set the Maximum Async records to
// read via markup
// x:AsyncRecords="3" would loop three times
// Todo: This should either be removed at some point
int maxRecords = _maxAsynxRecords;
System.Xaml.XamlReader xamlReader = _textReader;
IXamlLineInfo xamlLineInfo = xamlReader as IXamlLineInfo;
IXamlLineInfoConsumer xamlLineInfoConsumer = _objectWriter as IXamlLineInfoConsumer;
bool shouldPassLineNumberInfo = false;
if ((xamlLineInfo != null && xamlLineInfo.HasLineInfo) &&
(xamlLineInfoConsumer != null && xamlLineInfoConsumer.ShouldProvideLineInfo))
{
shouldPassLineNumberInfo = true;
}
XamlMember synchronousRecordProperty = _textReader.SchemaContext.GetXamlDirective(XamlLanguage.Xaml2006Namespace, "AsyncRecords");
while (!xamlReader.IsEof && !_parseCancelled)
{
WpfXamlLoader.TransformNodes(xamlReader, _objectWriter, true /*onlyLoadOneNode*/, _skipJournaledProperties, shouldPassLineNumberInfo, xamlLineInfo, xamlLineInfoConsumer, _stack, _styleConnector);
if (xamlReader.NodeType == System.Xaml.XamlNodeType.Value && _stack.CurrentFrame.Property == synchronousRecordProperty)
{
if (xamlReader.Value is int)
{
_maxAsynxRecords = (int)xamlReader.Value;
}
else if (xamlReader.Value is String)
{
_maxAsynxRecords = Int32.Parse(xamlReader.Value as String, TypeConverterHelper.InvariantEnglishUS);
}
maxRecords = _maxAsynxRecords;
}
//Debug.Assert (1 >= RootList.Count, "Multiple roots not supported in async mode");
// check the timeout
int elapsed = MS.Win32.SafeNativeMethods.GetTickCount() - startTickCount;
// check for rollover
if (elapsed < 0)
{
startTickCount = 0; // reset to 0,
}
else if (elapsed > AsyncLoopTimeout)
{
break;
}
// decrement and compare with zero so the unitialized -1 and zero case
// doesn't break the loop.
if (--maxRecords == 0)
{
break;
}
}
}
catch (XamlParseException e)
{
_parseException = e;
}
catch (Exception e)
{
if (CriticalExceptions.IsCriticalException(e) || !XamlReader.ShouldReWrapException(e, _baseUri))
{
_parseException = e;
}
else
{
_parseException = XamlReader.WrapException(e, null, _baseUri);
}
}
finally
{
if (_parseException != null || _parseCancelled)
{
TreeBuildComplete();
}
else
{
// if not at the EndOfDocument then post another work item
if (false == _textReader.IsEof)
{
Post();
}
else
{
// Building of the Tree is complete.
TreeBuildComplete();
}
}
}
}
/// <summary>Performs validation checks on a value.</summary>
/// <param name="value">The value to check.</param>
/// <param name="cultureInfo">The culture to use in this rule.</param>
/// <returns>The result of the validation.</returns>
// Token: 0x060044E3 RID: 17635 RVA: 0x001385D4 File Offset: 0x001367D4
public override ValidationResult Validate(object value, CultureInfo cultureInfo)
{
BindingGroup bindingGroup;
if ((bindingGroup = (value as BindingGroup)) != null)
{
IList items = bindingGroup.Items;
for (int i = items.Count - 1; i >= 0; i--)
{
IDataErrorInfo dataErrorInfo = items[i] as IDataErrorInfo;
if (dataErrorInfo != null)
{
string error = dataErrorInfo.Error;
if (!string.IsNullOrEmpty(error))
{
return(new ValidationResult(false, error));
}
}
}
}
else
{
BindingExpression bindingExpression;
if ((bindingExpression = (value as BindingExpression)) == null)
{
throw new InvalidOperationException(SR.Get("ValidationRule_UnexpectedValue", new object[]
{
this,
value
}));
}
IDataErrorInfo dataErrorInfo2 = bindingExpression.SourceItem as IDataErrorInfo;
string text = (dataErrorInfo2 != null) ? bindingExpression.SourcePropertyName : null;
if (!string.IsNullOrEmpty(text))
{
string text2;
try
{
text2 = dataErrorInfo2[text];
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalApplicationException(ex))
{
throw;
}
text2 = null;
if (TraceData.IsEnabled)
{
TraceData.Trace(TraceEventType.Error, TraceData.DataErrorInfoFailed(new object[]
{
text,
dataErrorInfo2.GetType().FullName,
ex.GetType().FullName,
ex.Message
}), bindingExpression);
}
}
if (!string.IsNullOrEmpty(text2))
{
return(new ValidationResult(false, text2));
}
}
}
return(ValidationResult.ValidResult);
}
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);
}
// Token: 0x0600226A RID: 8810 RVA: 0x000AAE10 File Offset: 0x000A9010
private static object Load(XamlReader xamlReader, IXamlObjectWriterFactory writerFactory, bool skipJournaledProperties, object rootObject, XamlObjectWriterSettings settings, Uri baseUri)
{
XamlContextStack <WpfXamlFrame> stack = new XamlContextStack <WpfXamlFrame>(() => new WpfXamlFrame());
int persistId = 1;
settings.AfterBeginInitHandler = delegate(object sender, XamlObjectEventArgs args)
{
if (EventTrace.IsEnabled(EventTrace.Keyword.KeywordPerf | EventTrace.Keyword.KeywordXamlBaml, EventTrace.Level.Verbose))
{
IXamlLineInfo xamlLineInfo2 = xamlReader as IXamlLineInfo;
int num = -1;
int num2 = -1;
if (xamlLineInfo2 != null && xamlLineInfo2.HasLineInfo)
{
num = xamlLineInfo2.LineNumber;
num2 = xamlLineInfo2.LinePosition;
}
EventTrace.EventProvider.TraceEvent(EventTrace.Event.WClientParseXamlBamlInfo, EventTrace.Keyword.KeywordPerf | EventTrace.Keyword.KeywordXamlBaml, EventTrace.Level.Verbose, new object[]
{
(args.Instance == null) ? 0L : PerfService.GetPerfElementID(args.Instance),
num,
num2
});
}
UIElement uielement = args.Instance as UIElement;
if (uielement != null)
{
UIElement uielement2 = uielement;
int persistId = persistId;
persistId++;
uielement2.SetPersistId(persistId);
}
XamlSourceInfoHelper.SetXamlSourceInfo(args.Instance, args, baseUri);
DependencyObject dependencyObject = args.Instance as DependencyObject;
if (dependencyObject != null && stack.CurrentFrame.XmlnsDictionary != null)
{
XmlnsDictionary xmlnsDictionary = stack.CurrentFrame.XmlnsDictionary;
xmlnsDictionary.Seal();
XmlAttributeProperties.SetXmlnsDictionary(dependencyObject, xmlnsDictionary);
}
stack.CurrentFrame.Instance = args.Instance;
};
XamlObjectWriter xamlObjectWriter;
if (writerFactory != null)
{
xamlObjectWriter = writerFactory.GetXamlObjectWriter(settings);
}
else
{
xamlObjectWriter = new XamlObjectWriter(xamlReader.SchemaContext, settings);
}
IXamlLineInfo xamlLineInfo = null;
object result;
try
{
xamlLineInfo = (xamlReader as IXamlLineInfo);
IXamlLineInfoConsumer xamlLineInfoConsumer = xamlObjectWriter;
bool shouldPassLineNumberInfo = false;
if (xamlLineInfo != null && xamlLineInfo.HasLineInfo && xamlLineInfoConsumer != null && xamlLineInfoConsumer.ShouldProvideLineInfo)
{
shouldPassLineNumberInfo = true;
}
IStyleConnector styleConnector = rootObject as IStyleConnector;
WpfXamlLoader.TransformNodes(xamlReader, xamlObjectWriter, false, skipJournaledProperties, shouldPassLineNumberInfo, xamlLineInfo, xamlLineInfoConsumer, stack, styleConnector);
xamlObjectWriter.Close();
result = xamlObjectWriter.Result;
}
catch (Exception ex)
{
if (CriticalExceptions.IsCriticalException(ex) || !XamlReader.ShouldReWrapException(ex, baseUri))
{
throw;
}
XamlReader.RewrapException(ex, xamlLineInfo, baseUri);
result = null;
}
return(result);
}
