private static void InitializeHostHtmlDocumentServiceProvider(DynamicScriptObject scriptObject)
{
// The service provider is used for Internet Explorer IDispatchEx use.
if (IsHostedInIEorWebOC &&
scriptObject.ScriptObject is UnsafeNativeMethods.IHTMLWindow4 &&
_hostHtmlDocumentServiceProvider.Value == null)
{
// We use the IDispatch infrastructure to gain access to the document DOM node where
// the IServiceProvider lives that was recommended to us by IE people. Notice during
// this call the HostHtmlDocumentServiceProvider property here is still null, so this
// first request is made (and succeeds properly) without the service provider in place.
object document;
bool foundDoc = scriptObject.TryFindMemberAndInvokeNonWrapped("document",
NativeMethods.DISPATCH_PROPERTYGET,
true /* cache DISPID, why not? */,
null, /* arguments */
out document);
// The fact the host script is required to be a IHTMLWindow4 here ensures there is
// document property and because we're dealing with IE, we know it has a service
// provider on it.
Invariant.Assert(foundDoc);
_hostHtmlDocumentServiceProvider.Value = (UnsafeNativeMethods.IServiceProvider)document;
// See HostHtmlDocumentServiceProvider property get accessor for more information on the use of
// this field to ensure we got a valid service provider.
_initializedHostScript.Value = true;
}
}
private static void InitializeHostHtmlDocumentServiceProvider(DynamicScriptObject scriptObject)
{
if (BrowserInteropHelper.IsHostedInIEorWebOC && scriptObject.ScriptObject is UnsafeNativeMethods.IHTMLWindow4 && BrowserInteropHelper._hostHtmlDocumentServiceProvider.Value == null)
{
object obj;
bool condition = scriptObject.TryFindMemberAndInvokeNonWrapped("document", 2, true, null, out obj);
Invariant.Assert(condition);
BrowserInteropHelper._hostHtmlDocumentServiceProvider.Value = (UnsafeNativeMethods.IServiceProvider)obj;
BrowserInteropHelper._initializedHostScript.Value = true;
}
}
private bool TryFindMemberAndInvoke(string memberName, int flags, bool cacheDispId, object[] args, out object result)
{
if (!this.TryFindMemberAndInvokeNonWrapped(memberName, flags, cacheDispId, args, out result))
{
return(false);
}
if (result != null && Marshal.IsComObject(result))
{
result = new DynamicScriptObject((UnsafeNativeMethods.IDispatch)result);
}
return(true);
}
/// <summary>Sets a member on the script object to the specified value.</summary>
/// <param name="binder">The binder provided by the call site.</param>
/// <param name="value">The value to set for the member.</param>
/// <returns>Always returns <see langword="true" />.</returns>
/// <exception cref="T:System.ArgumentNullException">
/// <paramref name="binder" /> is <see langword="null" />.-or-
/// <paramref name="indexes" /> is <see langword="null" />.</exception>
/// <exception cref="T:System.ArgumentException">The length of <paramref name="indexes" /> is not equal to 1.</exception>
/// <exception cref="T:System.ArgumentOutOfRangeException">The first <paramref name="indexes" /> value is <see langword="null" />.</exception>
/// <exception cref="T:System.MissingMemberException">The member does not exist.</exception>
// Token: 0x060061E3 RID: 25059 RVA: 0x001B7378 File Offset: 0x001B5578
public override bool TrySetMember(SetMemberBinder binder, object value)
{
if (binder == null)
{
throw new ArgumentNullException("binder");
}
int propertyPutMethod = DynamicScriptObject.GetPropertyPutMethod(value);
object obj = this.InvokeAndReturn(binder.Name, propertyPutMethod, new object[]
{
value
});
return(true);
}
private bool TryFindMemberAndInvoke(string memberName, int flags, bool cacheDispId, object[] args, out object result)
{
if (!TryFindMemberAndInvokeNonWrapped(memberName, flags, cacheDispId, args, out result))
{
return(false);
}
// Only wrap returned COM objects; if the object returns as a CLR object, we just return it.
if (result != null && Marshal.IsComObject(result))
{
// Script objects implement IDispatch.
result = new DynamicScriptObject((UnsafeNativeMethods.IDispatch)result);
}
return(true);
}
private bool TryFindMemberAndInvoke(string memberName, int flags, bool cacheDispId, object[] args, out object result)
{
if (!TryFindMemberAndInvokeNonWrapped(memberName, flags, cacheDispId, args, out result))
{
return false;
}
// Only wrap returned COM objects; if the object returns as a CLR object, we just return it.
if (result != null && Marshal.IsComObject(result))
{
// Script objects implement IDispatch.
result = new DynamicScriptObject((UnsafeNativeMethods.IDispatch)result);
}
return true;
}
private static void InitializeHostHtmlDocumentServiceProvider(DynamicScriptObject scriptObject)
{
// The service provider is used for Internet Explorer IDispatchEx use.
if ( IsHostedInIEorWebOC
&& scriptObject.ScriptObject is UnsafeNativeMethods.IHTMLWindow4
&& _hostHtmlDocumentServiceProvider.Value == null)
{
// We use the IDispatch infrastructure to gain access to the document DOM node where
// the IServiceProvider lives that was recommended to us by IE people. Notice during
// this call the HostHtmlDocumentServiceProvider property here is still null, so this
// first request is made (and succeeds properly) without the service provider in place.
object document;
bool foundDoc = scriptObject.TryFindMemberAndInvokeNonWrapped("document",
NativeMethods.DISPATCH_PROPERTYGET,
true /* cache DISPID, why not? */,
null, /* arguments */
out document);
// The fact the host script is required to be a IHTMLWindow4 here ensures there is
// document property and because we're dealing with IE, we know it has a service
// provider on it.
Invariant.Assert(foundDoc);
_hostHtmlDocumentServiceProvider.Value = (UnsafeNativeMethods.IServiceProvider)document;
// See HostHtmlDocumentServiceProvider property get accessor for more information on the use of
// this field to ensure we got a valid service provider.
_initializedHostScript.Value = true;
}
}
internal unsafe bool TryFindMemberAndInvokeNonWrapped(string memberName, int flags, bool cacheDispId, object[] args, out object result)
{
result = null;
int dispid;
if (!this.TryGetDispIdForMember(memberName, cacheDispId, out dispid))
{
return(false);
}
NativeMethods.DISPPARAMS dispparams = new NativeMethods.DISPPARAMS();
int num = -3;
if (flags == 4 || flags == 8)
{
dispparams.cNamedArgs = 1U;
dispparams.rgdispidNamedArgs = new IntPtr((void *)(&num));
}
try
{
if (args != null)
{
args = (object[])args.Clone();
Array.Reverse(args);
for (int i = 0; i < args.Length; i++)
{
DynamicScriptObject dynamicScriptObject = args[i] as DynamicScriptObject;
if (dynamicScriptObject != null)
{
args[i] = dynamicScriptObject._scriptObject;
}
if (args[i] != null)
{
Type type = args[i].GetType();
if (type.IsArray)
{
type = type.GetElementType();
}
if (!Marshal.IsTypeVisibleFromCom(type) && !type.IsCOMObject && type != typeof(DateTime))
{
throw new ArgumentException(SR.Get("NeedToBeComVisible"));
}
}
}
dispparams.rgvarg = UnsafeNativeMethods.ArrayToVARIANTHelper.ArrayToVARIANTVector(args);
dispparams.cArgs = (uint)args.Length;
}
NativeMethods.EXCEPINFO excepinfo = new NativeMethods.EXCEPINFO();
HRESULT hrLeft = this.InvokeOnScriptObject(dispid, flags, dispparams, excepinfo, out result);
if (hrLeft.Failed)
{
if (hrLeft == HRESULT.DISP_E_MEMBERNOTFOUND)
{
return(false);
}
if (hrLeft == HRESULT.SCRIPT_E_REPORTED)
{
excepinfo.scode = hrLeft.Code;
hrLeft = HRESULT.DISP_E_EXCEPTION;
}
string text = "[" + (memberName ?? "(default)") + "]";
Exception exception = hrLeft.GetException();
if (hrLeft == HRESULT.DISP_E_EXCEPTION)
{
int code = (excepinfo.scode != 0) ? excepinfo.scode : ((int)excepinfo.wCode);
hrLeft = HRESULT.Make(true, Facility.Dispatch, code);
string message = text + " " + (excepinfo.bstrDescription ?? string.Empty);
throw new TargetInvocationException(message, exception)
{
HelpLink = excepinfo.bstrHelpFile,
Source = excepinfo.bstrSource
};
}
if (hrLeft == HRESULT.DISP_E_BADPARAMCOUNT || hrLeft == HRESULT.DISP_E_PARAMNOTOPTIONAL)
{
throw new TargetParameterCountException(text, exception);
}
if (hrLeft == HRESULT.DISP_E_OVERFLOW || hrLeft == HRESULT.DISP_E_TYPEMISMATCH)
{
throw new ArgumentException(text, new InvalidCastException(exception.Message, hrLeft.Code));
}
throw exception;
}
}
finally
{
if (dispparams.rgvarg != IntPtr.Zero)
{
UnsafeNativeMethods.ArrayToVARIANTHelper.FreeVARIANTVector(dispparams.rgvarg, args.Length);
}
}
return(true);
}