File : gnatcom-events-event_object.adb
------------------------------------------------------------------------------
-- --
-- GNATCOM - Ada 95 COM/DCOM/COM+ Development Framework and Tools --
-- --
-- G N A T C O M . E V E N T S . E V E N T _ O B J E C T --
-- --
-- B o d y --
-- --
-- $Revision: 1.3 $
-- --
-- Copyright (C) 1999, 2000, 2001 David Botton --
-- --
-- This is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- ware Foundation; either version 2, or (at your option) any later ver- --
-- sion. It is distributed in the hope that it will be useful, but WITHOUT --
-- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or --
-- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
-- for more details. You should have received a copy of the GNU General --
-- Public License distributed with this; see file COPYING. If not, write --
-- to the Free Software Foundation, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- More information about GNATCOM and the most current public version can --
-- be located on the web at http://www.adapower.com/gnatcom --
-- --
-- Support for GNATCOM is available from Ada Core Technologies, Inc. --
-- --
-- In the U.S., contact Ada Core Technologies at: --
-- Tel: +1 (212) 620 7300 ext 117 --
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-- Email: sales@gnat.com --
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-- Email: sales@act-europe.fr --
------------------------------------------------------------------------------
with System;
package body GNATCOM.Events.Event_Object is
function Event_GetTypeInfoCount
(This : access GNATCOM.Create.COM_Interface.COM_Interface_Type;
pctinfo : in GNATCOM.Types.Pointer_To_unsigned)
return GNATCOM.Types.HRESULT;
function Event_GetTypeInfo
(This : access GNATCOM.Create.COM_Interface.COM_Interface_Type;
itinfo : in Interfaces.C.unsigned;
lcid : in Interfaces.C.unsigned_long;
pptinfo : in GNATCOM.Types.Pointer_To_Pointer_To_Void)
return GNATCOM.Types.HRESULT;
function Event_GetIDsOfNames
(This : access GNATCOM.Create.COM_Interface.COM_Interface_Type;
riid : in GNATCOM.Types.Pointer_To_GUID;
rgszNames : in GNATCOM.Types.Pointer_To_Pointer_To_char;
cNames : in Interfaces.C.unsigned;
lcid : in Interfaces.C.unsigned_long;
rgdispid : in GNATCOM.Types.Pointer_To_long)
return GNATCOM.Types.HRESULT;
function Event_Invoke
(This : access GNATCOM.Create.COM_Interface.COM_Interface_Type;
dispidMember : in Interfaces.C.long;
riid : in GNATCOM.Types.Pointer_To_GUID;
lcid : in Interfaces.C.unsigned_long;
wFlags : in Interfaces.C.unsigned_short;
pdispparams : in GNATCOM.Types.Pointer_To_DISPPARAMS;
pvarResult : in GNATCOM.Types.Pointer_To_VARIANT;
pexcepinfo : in GNATCOM.Types.Pointer_To_EXCEPINFO;
puArgErr : in GNATCOM.Types.Pointer_To_unsigned)
return GNATCOM.Types.HRESULT;
pragma Convention (StdCall, Event_Invoke);
type Event_Vtbl_Record is
record
IUnknown : GNATCOM.Create.COM_Interface.IUnknown_Vtbl_Record;
GetTypeInfoCount : System.Address := Event_GetTypeInfoCount'Address;
GetTypeInfo : System.Address := Event_GetTypeInfo'Address;
GetIDsOfNames : System.Address := Event_GetIDsOfNames'Address;
Invoke : System.Address := Event_Invoke'Address;
end record;
pragma Convention (C_Pass_By_Copy, Event_Vtbl_Record);
Event_Vtbl : aliased Event_Vtbl_Record;
Event_Map : aliased GNATCOM.Create.COM_Interface.GUID_Record_Array :=
(1 => (IID => GNATCOM.Types.IID_IDispatch, -- Gets replaced with event's
Vtbl => Event_Vtbl'Address), -- IID
2 => (IID => GNATCOM.Types.IID_IDispatch,
Vtbl => Event_Vtbl'Address));
type Event_Class is
new GNATCOM.Create.COM_Interface.CoClass_Type (Event_Map'Access) with
record
Event_Invoke : Invoke_Function;
Event_Object : Event_Pointer;
end record;
type Event_Class_Pointer is access all Event_Class;
------------
-- Create --
------------
function Create
(Invoke : Invoke_Function;
Event_IID : GNATCOM.Types.GUID;
Event_Object : Event_Pointer := null)
return GNATCOM.Create.COM_Interface.Pointer_To_COM_Interface_Type
is
Object : Event_Class_Pointer := new Event_Class;
Event_Interface :
GNATCOM.Create.COM_Interface.Pointer_To_COM_Interface_Type :=
new GNATCOM.Create.COM_Interface.COM_Interface_Type;
begin
Event_Interface.Vtbl := Event_Vtbl'Address;
Event_Interface.Ref_Count := 1;
Event_Interface.CoClass :=
GNATCOM.Create.COM_Interface.Pointer_To_CoClass (Object);
Object.IID_Map (1).IID := Event_IID;
Object.IUnknown := Event_Interface;
Object.Event_Invoke := Invoke;
Object.Event_Object := Event_Object;
return Event_Interface;
end Create;
------------------
-- Event_Invoke --
------------------
function Event_Invoke
(This : access GNATCOM.Create.COM_Interface.COM_Interface_Type;
dispidMember : in Interfaces.C.long;
riid : in GNATCOM.Types.Pointer_To_GUID;
lcid : in Interfaces.C.unsigned_long;
wFlags : in Interfaces.C.unsigned_short;
pdispparams : in GNATCOM.Types.Pointer_To_DISPPARAMS;
pvarResult : in GNATCOM.Types.Pointer_To_VARIANT;
pexcepinfo : in GNATCOM.Types.Pointer_To_EXCEPINFO;
puArgErr : in GNATCOM.Types.Pointer_To_unsigned)
return GNATCOM.Types.HRESULT
is
pragma Warnings (Off, riid);
pragma Warnings (Off, lcid);
pragma Warnings (Off, pvarResult);
pragma Warnings (Off, pexcepinfo);
pragma Warnings (Off, puArgErr);
Object : Event_Class_Pointer := Event_Class_Pointer (This.CoClass);
begin
Object.Event_Invoke (dispidMember,
wFlags,
pdispparams,
Object.Event_Object);
return GNATCOM.S_OK;
end Event_Invoke;
----------------------------
-- Event_GetTypeInfoCount --
----------------------------
function Event_GetTypeInfoCount
(This : access GNATCOM.Create.COM_Interface.COM_Interface_Type;
pctinfo : in GNATCOM.Types.Pointer_To_unsigned)
return GNATCOM.Types.HRESULT
is
pragma Warnings (Off, This);
pragma Warnings (Off, pctinfo);
begin
return E_NOTIMPL;
end Event_GetTypeInfoCount;
-----------------------
-- Event_GetTypeInfo --
-----------------------
function Event_GetTypeInfo
(This : access GNATCOM.Create.COM_Interface.COM_Interface_Type;
itinfo : in Interfaces.C.unsigned;
lcid : in Interfaces.C.unsigned_long;
pptinfo : in GNATCOM.Types.Pointer_To_Pointer_To_Void)
return GNATCOM.Types.HRESULT
is
pragma Warnings (Off, This);
pragma Warnings (Off, itinfo);
pragma Warnings (Off, lcid);
pragma Warnings (Off, pptinfo);
begin
return E_NOTIMPL;
end Event_GetTypeInfo;
-------------------------
-- Event_GetIDsOfNames --
-------------------------
function Event_GetIDsOfNames
(This : access GNATCOM.Create.COM_Interface.COM_Interface_Type;
riid : in GNATCOM.Types.Pointer_To_GUID;
rgszNames : in GNATCOM.Types.Pointer_To_Pointer_To_char;
cNames : in Interfaces.C.unsigned;
lcid : in Interfaces.C.unsigned_long;
rgdispid : in GNATCOM.Types.Pointer_To_long)
return GNATCOM.Types.HRESULT
is
pragma Warnings (Off, This);
pragma Warnings (Off, riid);
pragma Warnings (Off, rgszNames);
pragma Warnings (Off, cNames);
pragma Warnings (Off, lcid);
pragma Warnings (Off, rgdispid);
begin
return E_NOTIMPL;
end Event_GetIDsOfNames;
end GNATCOM.Events.Event_Object;