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 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;
}
}
