115 lines
2.2 KiB
C++
115 lines
2.2 KiB
C++
|
#include "precomp.h"
|
||
|
|
#include "ThreadEvent.h"
|
||
|
|
|
||
|
|
const int WM_TEP_MESSAGE = WM_USER+101;
|
||
|
|
|
||
|
|
// static members
|
||
|
|
BOOL ThreadEventProxy::s_bWndClassRegistered = FALSE;
|
||
|
|
const LPTSTR ThreadEventProxy::s_szWndClassName = "NAC_TEP_HIDDENWINDOW";
|
||
|
|
|
||
|
|
ThreadEventProxy::ThreadEventProxy(IStreamEventNotify *pNotify, HINSTANCE hInst)
|
||
|
|
{
|
||
|
|
WNDCLASSEX wndClass;
|
||
|
|
|
||
|
|
|
||
|
|
if (s_bWndClassRegistered == FALSE)
|
||
|
|
{
|
||
|
|
ZeroMemory(&wndClass, sizeof(wndClass));
|
||
|
|
wndClass.cbSize = sizeof(wndClass);
|
||
|
|
wndClass.style = CS_HREDRAW | CS_VREDRAW;
|
||
|
|
wndClass.lpfnWndProc = WndProc;
|
||
|
|
wndClass.hInstance = hInst;
|
||
|
|
wndClass.lpszClassName = s_szWndClassName;
|
||
|
|
RegisterClassEx(&wndClass);
|
||
|
|
s_bWndClassRegistered = TRUE;
|
||
|
|
}
|
||
|
|
|
||
|
|
m_hwnd = CreateWindow(s_szWndClassName, "Hidden Window",
|
||
|
|
WS_OVERLAPPEDWINDOW, 0, 0, 0, 0,
|
||
|
|
NULL,
|
||
|
|
NULL,
|
||
|
|
hInst,
|
||
|
|
NULL);
|
||
|
|
|
||
|
|
if (m_hwnd)
|
||
|
|
SetWindowLongPtr(m_hwnd, GWLP_USERDATA, (LPARAM)this);
|
||
|
|
|
||
|
|
m_pNotify = pNotify;
|
||
|
|
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
ThreadEventProxy::~ThreadEventProxy()
|
||
|
|
{
|
||
|
|
MSG msg;
|
||
|
|
|
||
|
|
// just in case there is an outstanding message posted in the
|
||
|
|
// queue for this window, clear the
|
||
|
|
if (m_hwnd)
|
||
|
|
{
|
||
|
|
SetWindowLongPtr(m_hwnd, GWLP_USERDATA, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
while (PeekMessage(&msg, m_hwnd, 0, 0, PM_REMOVE))
|
||
|
|
{
|
||
|
|
;
|
||
|
|
}
|
||
|
|
|
||
|
|
DestroyWindow(m_hwnd);
|
||
|
|
m_hwnd = NULL;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
// static
|
||
|
|
LPARAM ThreadEventProxy::WndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
|
||
|
|
{
|
||
|
|
ThreadEventProxy *pTEP;
|
||
|
|
|
||
|
|
pTEP = (ThreadEventProxy*)GetWindowLongPtr(hwnd, GWLP_USERDATA);
|
||
|
|
|
||
|
|
if (pTEP != NULL)
|
||
|
|
{
|
||
|
|
switch (uMsg)
|
||
|
|
{
|
||
|
|
|
||
|
|
case WM_TEP_MESSAGE:
|
||
|
|
{
|
||
|
|
// the message codes for the stream notifcation are
|
||
|
|
// contained
|
||
|
|
if (pTEP->m_pNotify)
|
||
|
|
pTEP->m_pNotify->EventNotification(HIWORD(wParam), LOWORD(wParam), HIWORD(lParam), LOWORD(lParam));
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return DefWindowProc(hwnd, uMsg, wParam, lParam);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
BOOL ThreadEventProxy::ThreadEvent(UINT uDirection, UINT uMediaType,
|
||
|
|
UINT uEventCode, UINT uSubCode)
|
||
|
|
{
|
||
|
|
WPARAM wParam;
|
||
|
|
LPARAM lParam;
|
||
|
|
|
||
|
|
wParam = MAKELONG(uMediaType, uDirection);
|
||
|
|
lParam = MAKELONG(uSubCode, uEventCode);
|
||
|
|
|
||
|
|
if (m_hwnd)
|
||
|
|
{
|
||
|
|
PostMessage(m_hwnd, WM_TEP_MESSAGE, wParam, lParam);
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|