Host Silverlight Control in C++ using ATL

// AtlProject.idl : IDL source for AtlProject
//

// This file will be processed by the MIDL tool to
// produce the type library (AtlProject.tlb) and marshalling code.

import "oaidl.idl";
import "ocidl.idl";

[
    object,
    uuid(2E340632-5D5A-427b-AC31-303F6E32B9E8),
    nonextensible,
    helpstring("IXcpControlDownloadCallback Interface"),
    pointer_default(unique)
]
interface IXcpControlDownloadCallback : IUnknown
{
    HRESULT OnUrlDownloaded(HRESULT hr, IStream* pStream);
};

[
    object,
    uuid(1B36028E-B491-4bb2-8584-8A9E0A677D6E),
    nonextensible,
    helpstring("IXcpControlHost Interface"),
    pointer_default(unique)
]

interface IXcpControlHost : IUnknown
{
    typedef enum
    {
        XcpHostOption_FreezeOnInitialFrame       = 0x001,
        XcpHostOption_DisableFullScreen          = 0x002,
        XcpHostOption_DisableManagedExecution    = 0x008,
		XcpHostOption_EnableCrossDomainDownloads = 0x010,
        XcpHostOption_UseCustomAppDomain         = 0x020,
        XcpHostOption_DisableNetworking          = 0x040,        
        XcpHostOption_DisableScriptCallouts      = 0x080,
        XcpHostOption_EnableHtmlDomAccess        = 0x100,
        XcpHostOption_EnableScriptableObjectAccess = 0x200,
    } XcpHostOptions;

    HRESULT GetHostOptions([out, retval] DWORD* pdwOptions);

    HRESULT NotifyLoaded();

    HRESULT NotifyError([in] BSTR bstrError, [in] BSTR bstrSource, [in] long nLine, [in] long nColumn);

    HRESULT InvokeHandler([in] BSTR bstrName, [in] VARIANT varArg1, [in] VARIANT varArg2, [out, retval] VARIANT* pvarResult);

    HRESULT GetBaseUrl([out, retval] BSTR* pbstrUrl);

    HRESULT GetNamedSource([in] BSTR bstrSourceName, [out, retval] BSTR* pbstrSource);

    //
    // Called by Silverlight to allow a host to provide content for a specified URI. This is useful in cases
    // where a resource would normally be loaded out of a XAP at runtime. At design time, no XAP exists, and
    // the host can provide content for that resource.
    //
    // This method can work synchronously or asynchronously. If the pCallback parameter is NULL, the host must
    // do the work synchronously and return the result in ppStream. If the pCallback parameter is non-NULL, the host
    // may do the work synchronously or asynchronously, invoking callback methods as defined by the 
    // IXcpControlDownloadCallback interface. If the host chooses to work asyncronously, the ppStream parameter is
    // ignored.
    //
    // The host should return S_FALSE if it cannot provide a resource for the requested URI, and S_OK on a
    // successful request.
    //
    HRESULT DownloadUrl([in] BSTR bstrUrl, [in] IXcpControlDownloadCallback* pCallback, [out, retval] IStream** ppStream);

};

[
    object,
    uuid(fb3ed7c4-5797-4b44-8695-0c512ea27d8f),
    nonextensible,
    helpstring("IXcpControlHost2 Interface"),
    pointer_default(unique)
]
interface IXcpControlHost2 : IXcpControlHost
{
    HRESULT GetCustomAppDomain([out, retval] IUnknown** ppAppDomain);

    HRESULT GetControlVersion([out] UINT *puMajorVersion, [out] UINT *puMinorVersion);
};

[
	uuid(60074165-9D7F-43C9-B0A9-127FB2B8C267),
	version(1.0),
	helpstring("AtlProject 1.0 Type Library")
]
library AtlProjectLib
{
	importlib("stdole2.tlb");
	[
		uuid(1ADB6913-DD12-4F9E-95C8-46D4D01A8B65),
		helpstring("XcpControlHost Class")
	]

	coclass XcpControlHost
	{
		[default] interface IXcpControlHost;
	};
};