winamp/Src/Winamp/BookmarksCOM.cpp

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2024-09-24 13:54:57 +01:00
/** (c) Nullsoft, Inc. C O N F I D E N T I A L
** Filename:
** Project:
** Description:
** Author: Ben Allison benski@nullsoft.com
** Created:
**/
#include "main.h"
#include "BookmarksCOM.h"
#include "../nu/AutoChar.h"
#include "../nu/AutoWide.h"
#include "api.h"
enum
{
DISP_BOOKMARK_ADD = 777,
DISP_BOOKMARK_GETXML,
};
#define CHECK_ID(str, id)\
if (CSTR_EQUAL == CompareStringW(lcid, NORM_IGNORECASE, rgszNames[i], -1, L##str, -1))\
{ rgdispid[i] = id; continue; }
HRESULT BookmarksCOM::GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid)
{
bool unknowns = false;
for (unsigned int i = 0;i != cNames;i++)
{
CHECK_ID("Add", DISP_BOOKMARK_ADD)
CHECK_ID("GetXML", DISP_BOOKMARK_GETXML)
rgdispid[i] = DISPID_UNKNOWN;
unknowns = true;
}
if (unknowns)
return DISP_E_UNKNOWNNAME;
else
return S_OK;
}
HRESULT BookmarksCOM::GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
{
return E_NOTIMPL;
}
HRESULT BookmarksCOM::GetTypeInfoCount(unsigned int FAR * pctinfo)
{
return E_NOTIMPL;
}
void Bookmark_WriteAsXML(const wchar_t *filename, int max);
HRESULT BookmarksCOM::Invoke(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr)
{
switch (dispid)
{
case DISP_BOOKMARK_ADD:
switch (pdispparams->cArgs)
{
case 1:
{
Bookmark_additem(pdispparams->rgvarg[0].bstrVal,
pdispparams->rgvarg[0].bstrVal);
return S_OK;
}
case 2:
{
Bookmark_additem(pdispparams->rgvarg[1].bstrVal,
pdispparams->rgvarg[0].bstrVal);
return S_OK;
}
}
break;
case DISP_BOOKMARK_GETXML:
{
int max=0;
if (pdispparams->cArgs == 1)
{
max = _wtoi(pdispparams->rgvarg[0].bstrVal);
}
wchar_t tempPath[MAX_PATH] = {0};
GetTempPathW(MAX_PATH, tempPath);
wchar_t tempFile[MAX_PATH] = {0};
GetTempFileNameW(tempPath, L"bmx.b4s", 0, tempFile);
Bookmark_WriteAsXML(tempFile, max);
HANDLE plFile = CreateFileW(tempFile, GENERIC_READ, FILE_SHARE_READ, NULL, OPEN_EXISTING, 0, 0);
size_t flen = SetFilePointer(plFile, 0, NULL, FILE_END);
SetFilePointer(plFile, 0, NULL, FILE_BEGIN);
SAFEARRAY *bufferArray=SafeArrayCreateVector(VT_UI1, 0, (ULONG)flen);
void *data = 0;
SafeArrayAccessData(bufferArray, &data);
DWORD bytesRead = 0;
ReadFile(plFile, data, (DWORD)flen, &bytesRead, 0);
SafeArrayUnaccessData(bufferArray);
CloseHandle(plFile);
VariantInit(pvarResult);
V_VT(pvarResult) = VT_ARRAY|VT_UI1;
V_ARRAY(pvarResult) = bufferArray;
DeleteFileW(tempFile);
}
return S_OK;
}
return DISP_E_MEMBERNOTFOUND;
}
STDMETHODIMP BookmarksCOM::QueryInterface(REFIID riid, PVOID *ppvObject)
{
if (!ppvObject)
return E_POINTER;
else if (IsEqualIID(riid, IID_IDispatch))
*ppvObject = (IDispatch *)this;
else if (IsEqualIID(riid, IID_IUnknown))
*ppvObject = this;
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
ULONG BookmarksCOM::AddRef(void)
{
return 0;
}
ULONG BookmarksCOM::Release(void)
{
return 0;
}