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package org.eclipse.swt.internal.ole.win32;
/*
* (c) Copyright IBM Corp. 2000, 2001.
* All Rights Reserved
*/
import org.eclipse.swt.internal.win32.*;
public class IDispatch extends IUnknown
{
public IDispatch(int address) {
super(address);
}
public int GetIDsOfNames(GUID riid, String[] rgszNames, int cNames, int lcid, int[] rgDispId) {
char[] buffer;
int size = rgszNames.length;
// create an array to hold the addresses
int hHeap = OS.GetProcessHeap();
int ppNames = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, size*4);
int[] memTracker = new int[size];
try {
// add the address of each string to the array
for (int i=0; i<size; i++){
// create a null terminated array of char for each String
int nameSize = rgszNames[i].length();
buffer = new char[nameSize +1];
rgszNames[i].getChars(0, nameSize, buffer, 0);
// get the address of the start of the array of char
int pName = OS.HeapAlloc(hHeap, OS.HEAP_ZERO_MEMORY, buffer.length * 2);
OS.MoveMemory(pName, buffer, buffer.length * 2);
// copy the address to the array of addresses
COM.MoveMemory(ppNames + 4*i, new int[]{pName}, 4);
// keep track of the Global Memory so we can free it
memTracker[i] = pName;
}
return COM.VtblCall(5, address, new GUID(), ppNames, cNames, lcid, rgDispId);
} finally {
// free the memory
for (int i=0; i<memTracker.length; i++){
OS.HeapFree(hHeap, 0, memTracker[i]);
}
OS.HeapFree(hHeap, 0, ppNames);
}
}
public int GetTypeInfo(int iTInfo, int lcid, int[] ppTInfo ){
return COM.VtblCall(4, address, iTInfo, lcid, ppTInfo);
}
public int GetTypeInfoCount(int[] pctinfo ){
return COM.VtblCall(3, address, pctinfo);
}
public int Invoke(int dispIdMember, GUID riid, int lcid, int dwFlags, DISPPARAMS pDispParams, int pVarResult, EXCEPINFO pExcepInfo, int pArgErr[]) {
return COM.VtblCall(6, address, dispIdMember, riid, lcid, dwFlags, pDispParams, pVarResult, pExcepInfo, pArgErr);
}
}
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