// wiascr.idl : IDL source for wiascr.dll
//

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

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

// generic disp id's
#define DISPID_GETPROP				1000
#define DISPID_SETPROP				1001

// IWia disp id's
#define DISPID_WIA_DEVICES			1
#define DISPID_WIA_CREATE			2

// ICollection disp id's
#define DISPID_COLLECTION_LENGTH	1

// IWiaDeviceInfo disp id's
#define DISPID_DEVINFO_CREATE		1
#define DISPID_DEVINFO_ID			2
#define DISPID_DEVINFO_NAME			3
#define DISPID_DEVINFO_TYPE			4
#define DISPID_DEVINFO_PORT			5
#define DISPID_DEVINFO_UI_CLSID		6
#define DISPID_DEVINFO_VENDOR		7

// IWiaItem disp id's
#define DISPID_ITEMD_CONNSTATUS		1
#define DISPID_ITEMD_TIME			2
#define DISPID_ITEMD_FIRMWAREVER	3

#define DISPID_ITEM_NAME			20
#define DISPID_ITEM_FULL_NAME		21
#define DISPID_ITEM_TYPE			22
#define DISPID_ITEM_WIDTH			23
#define DISPID_ITEM_HEIGHT			24

#define DISPID_ITEMC_THUMBWIDTH		50
#define DISPID_ITEMC_THUMBHEIGHT	51
#define DISPID_ITEMC_THUMBNAIL		52
#define DISPID_ITEMC_HEIGHT			53
#define DISPID_ITEMC_WIDTH			54

#define DISPID_ITEM_CHILDREN		500
	

[
	uuid(95CEDD63-2E34-4B84-9FB3-F86AF1D4BF7A),
	version(1.0),
	helpstring("nwscript 1.0 Type Library")
]
library NDMEDIALib
{
	importlib("stdole32.tlb");
	importlib("stdole2.tlb");

	//
	// Sample object class
	//

	[
		object,
		uuid(C7A4EFC9-017E-45AB-BEF0-9A8218BC1D40),
		dual,
		helpstring("ISample Interface"),
		pointer_default(unique)
	]
	interface ISample : IDispatch
	{
		[propget, id(1), helpstring("Sample property")]
		HRESULT SampleProperty([out, retval] BSTR * pbstrSample);
		[propput, id(1), helpstring("Sample property")]
		HRESULT SampleProperty([in] BSTR bstrSample);
		[id(2), helpstring("Sample method. Does nothing in particular")]
		HRESULT SampleMethod(void);
	};
	// End Sample

	/*-------------------------------------------------------------------------
	 * Wia Interfaces and classes
	 *------------------------------------------------------------------------*/

	[
		object,
		uuid(C34C8CE7-B253-4f89-AA25-8A24AD71D0C0),
		dual,
		helpstring( "ICollection interface" ),
		pointer_default(unique)
	]
	interface ICollection : IDispatch
	{
        [propget, helpstring( "Returns the length of the collection" )]
        HRESULT Count( [out,retval] long* pCount );

		[propget, id(DISPID_COLLECTION_LENGTH), helpstring( "Returns the length of the collection" )]
		HRESULT Length( [out, retval] unsigned long* plLength );
		
		[propget, id(DISPID_VALUE), helpstring("returns the specified item in the collection")]
		HRESULT Item( [in] unsigned long lItem, [out, retval] IDispatch** ppDispItem );

		[propget, id(DISPID_NEWENUM), helpstring("returns a copy of this enumerator")]
		HRESULT _NewEnum( [out, retval] IUnknown** ppEnum );
	};

	[
		object,
		uuid(B10BA1BC-3713-4EC0-8EEA-690EBD2CED8A),
		dual,
		helpstring("IWia Interface"),
		pointer_default(unique)
	]
	interface IWia : IDispatch
	{
		[id(10010), helpstring( "pops up the debugging dialog" )]
		HRESULT _DebugDialog( BOOL fWait );

		[propget, id(DISPID_WIA_DEVICES), helpstring( "Retrieves the device collection" )]
		HRESULT Devices( [out, retval] ICollection** ppCol );

		[id(DISPID_WIA_CREATE), helpstring( "connects to the specified device" )]
		HRESULT Create( [in, unique] VARIANT* pvaConnect, [out,retval] IDispatch** ppDevice );
	};

	// for some reason midl doesn't put the DIID in the header
	// this ensures that it is in the header which makes ATL a lot
	// happier.
	cpp_quote( "EXTERN_C const GUID DIID__IWiaEvents;" )

	[
		uuid(E5F04D72-6C16-42e2-BCCA-F8D0DB4ADE06),
		helpstring("Events fired by the IWia interface")
	]
	dispinterface _IWiaEvents
	{
	properties:
	methods:
		[id(1), helpstring("handles a device connection" )]
		void OnDeviceConnected( BSTR bstrDeviceId );
		[id(2), helpstring("handles a device disconnection")]
		void OnDeviceDisconnected( BSTR bstrDeviceId );
		[id(3), helpstring("called when a transfer is complete")]
		void OnTransferComplete( IDispatch* pItem, BSTR bstrPath );
	};

	[
		object,
		uuid(5267FF5E-7CAF-4769-865D-17A25968525E),
		dual,
		helpstring("IWiaDeviceInfo Interface"),
		pointer_default(unique)
	]
	interface IWiaDeviceInfo : IDispatch
	{
		[propget, id(DISPID_DEVINFO_ID), helpstring("The id of the device")]
		HRESULT Id( [out,retval] BSTR* pbstrDeviceId );

		[propget, id(DISPID_DEVINFO_NAME), helpstring("the name of the device" )]
		HRESULT Name( [out,retval] BSTR* pbstrName );

		[propget, id(DISPID_DEVINFO_TYPE), helpstring("the type of the device" )]
		HRESULT Type( [out,retval] BSTR* pbstrType );

		[propget, id(DISPID_DEVINFO_PORT), helpstring("the port the device lives on" )]
		HRESULT Port( [out,retval] BSTR* pbstrPort );

		[propget, id(DISPID_DEVINFO_UI_CLSID), helpstring("the class id for the ui for this device" )]
		HRESULT UIClsid( [out,retval] BSTR* pbstrGuidUI );

		[propget, id(DISPID_DEVINFO_VENDOR), helpstring("the name of the vendor for this device" )]
		HRESULT Manufacturer( [out,retval] BSTR* pbstrVendor );

		[id(DISPID_DEVINFO_CREATE), helpstring("create a connection to this device")]
		HRESULT Create( [out,retval] IDispatch** ppDevice );

		// Universal backdoor for property inspection
		[id(DISPID_GETPROP), helpstring("returns the value of the property with the given id")]
		HRESULT GetPropById( [in] DWORD propid, [out,retval] VARIANT* pvaOut );
	};

	[
		object,
		uuid(D06D503F-4B71-40f3-94A7-66478F732BC9),
		dual,
		helpstring("IWiaDeviceItem interface"),
		pointer_default(unique)
	]
	interface IWiaDispatchItem : IDispatch
	{
		// Methods ------------------------------------------------------------

        // UI
        [helpstring("shows the data acquisition U.I.")]
        HRESULT GetItemsFromUI([in] DWORD dwFlags, [in] DWORD dwIntent, [out, retval] ICollection** ppCollection);

		// Universal backdoor for property inspection
		[id(DISPID_GETPROP), helpstring("returns the value of the property with the given id")]
		HRESULT GetPropById( [in] DWORD propid, [out,retval] VARIANT* pvaOut );

		// save this item (if its a file out)
		[helpstring( "transfers the item to a file, or clipboard if filename is clipboard" )]
		HRESULT Transfer( [in] BSTR pbstrFilename,  BOOL bAsyncTransfer );

		// Properties.  (there are lots of them) ------------------------------

		[propget, id(DISPID_ITEM_CHILDREN), helpstring("a collection of this items children")]
		HRESULT Children( [out,retval] ICollection** ppCollection );
		[propget, id(DISPID_ITEM_TYPE), helpstring("a string representing the type of this item")]
		HRESULT ItemType( [out,retval] BSTR* pbstrType );

		// WIA_DPA_xxx
		[propget, id(DISPID_ITEMD_CONNSTATUS), helpstring("the current connection status")]
		HRESULT ConnectStatus( [out,retval] BSTR* pbstrStatus );
		[propget, id(DISPID_ITEMD_TIME), helpstring("the current time on the device RO/RW")]
		HRESULT Time( [out,retval] BSTR* pbstrTime );
		[propget, id(DISPID_ITEMD_FIRMWAREVER), helpstring("the firmware version of the device")]
		HRESULT FirmwareVersion( [out,retval] BSTR* pbstrVersion );

		// WIA_IPA_xxx
		[propget, id(DISPID_ITEM_NAME), helpstring("the name of the item")]
		HRESULT Name( [out,retval] BSTR* pbstrName );
		[propget, id(DISPID_ITEM_FULL_NAME), helpstring("the full name of the item")]
		HRESULT FullName( [out,retval] BSTR* pbstrFullName );
		[propget, id(DISPID_ITEM_WIDTH), helpstring("the width of the item in pixels")]
		HRESULT Width( [out,retval] DWORD* pdwWidth );
		[propget, id(DISPID_ITEM_HEIGHT), helpstring("the height of the item in pixels")]
		HRESULT Height( [out,retval] DWORD* pdwHeight );

		// WIA_IPC_xxx
		[propget, id(DISPID_ITEMC_THUMBWIDTH), helpstring("width of the the item's thumbnail")]
		HRESULT ThumbWidth([out,retval] DWORD* pdwWidth );
		[propget, id(DISPID_ITEMC_THUMBHEIGHT), helpstring("height of the item's thumbnail")]
		HRESULT ThumbHeight( [out,retval] DWORD* pdwHeight );
		[propget, id(DISPID_ITEMC_THUMBNAIL), helpstring("path to the temporary image thumbnail")]
		HRESULT Thumbnail( [out,retval] BSTR* pbstrPath );
		[propget, id(DISPID_ITEMC_WIDTH), helpstring("width of the picture")]
		HRESULT PictureWidth( [out,retval] DWORD* pdwWidth );
		[propget, id(DISPID_ITEMC_HEIGHT), helpstring("height of the picture")]
		HRESULT PictureHeight( [out, retval] DWORD* pdwHeight );
	};

	/*-------------------------------------------------------------------------
	 * Component Classes
	 *------------------------------------------------------------------------*/

	[
		uuid(4C43FC25-E748-427F-8021-CB590027396F),
		helpstring("Sample Class")
	]
	coclass Sample
	{
		[default] interface ISample;
	};

	[
		uuid(0DAD5531-BF31-43AC-A513-1F8926BBF5EC),
		helpstring("Wia Class")
	]
	coclass Wia
	{
		[default]			interface IWia;
		[default, source]	dispinterface _IWiaEvents;
	};
	[
		uuid(13F3EA8B-91D7-4F0A-AD76-D2853AC8BECE),
		helpstring("WiaProtocol Class")
	]
	coclass WiaProtocol
	{
		[default] interface IInternetProtocolRoot;
	};
};