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16440 changed files with 4239995 additions and 2 deletions
413
Src/omBrowser/browserThread.cpp
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413
Src/omBrowser/browserThread.cpp
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#include "main.h"
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#include "./browserThread.h"
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#include "../nu/threadname.h"
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#include <exdisp.h>
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typedef struct __BROWSERTHREADCRAEATEPARAM
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{
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BTCREATEWNDPROC fnCreateWnd;
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BTKEYFILTERPROC fnKeyFilter;
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ULONG_PTR user;
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HANDLE readyEvent;
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HWND hHost;
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HWND hWinamp;
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} BROWSERTHREADCREATEPARAM;
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typedef struct __BROWSERTHREAD
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{
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HHOOK messageHook;
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HANDLE wakeupEvent;
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UINT flags;
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} BROWSERTHREAD;
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#define NAVIGATE_WAITTIMEOUT 30
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static size_t tlsIndex = TLS_OUT_OF_INDEXES;
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static UINT BHTM_DESTROY = 0xFEFE;
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static DWORD CALLBACK BrowserThread_MainLoop(LPVOID param);
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#define GetThreadInstance() ((TLS_OUT_OF_INDEXES != tlsIndex) ? (BROWSERTHREAD*)Plugin_TlsGetValue(tlsIndex) : NULL)
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BOOL BrowserThread_IsQuiting()
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{
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BROWSERTHREAD *thread = GetThreadInstance();
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return (NULL == thread || 0 != ((BHTF_BEGINDESTROY | BHTF_QUITLOOP) & thread->flags));
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}
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BOOL BrowserThread_SetFlags(UINT flags, UINT flagsMask, BOOL fAlarm)
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{
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BROWSERTHREAD *thread = GetThreadInstance();
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if (NULL == thread) return FALSE;
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thread->flags = ((thread->flags & flagsMask) | flags);
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if (FALSE == fAlarm)
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return TRUE;
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return (NULL != thread->wakeupEvent && SetEvent(thread->wakeupEvent));
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}
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HANDLE BrowserThread_Create(HWND hWinamp, BTCREATEWNDPROC fnCreateWnd, ULONG_PTR user, BTKEYFILTERPROC fnKeyFilter, HWND *pWnd, DWORD *pThreadId)
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{
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if (NULL == fnCreateWnd)
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return NULL;
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if (TLS_OUT_OF_INDEXES == tlsIndex)
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{
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tlsIndex = Plugin_TlsAlloc();
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if (TLS_OUT_OF_INDEXES == tlsIndex)
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return NULL;
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}
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DWORD threadId;
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BROWSERTHREADCREATEPARAM param;
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ZeroMemory(¶m, sizeof(BROWSERTHREADCREATEPARAM));
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param.fnCreateWnd = fnCreateWnd;
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param.fnKeyFilter = fnKeyFilter;
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param.user = user;
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param.readyEvent = CreateEvent(0, TRUE, FALSE, 0);
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param.hWinamp = hWinamp;
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HANDLE hThread = CreateThread(NULL, 0, BrowserThread_MainLoop, (LPVOID)¶m, 0, &threadId);
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if (NULL != hThread)
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{
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if (NULL != param.readyEvent)
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WaitForSingleObject(param.readyEvent, INFINITE);
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}
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else
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{
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if (NULL != param.hHost)
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{
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DestroyWindow(param.hHost);
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param.hHost = NULL;
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}
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threadId = 0;
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}
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if (NULL != param.readyEvent)
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CloseHandle(param.readyEvent);
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if (NULL != pThreadId)
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*pThreadId = threadId;
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if (NULL != pWnd)
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*pWnd = param.hHost;
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return hThread;
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}
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BOOL BrowserThread_PostDestroyEx(DWORD threadId, HWND hHost)
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{
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if (0 == BHTM_DESTROY)
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BHTM_DESTROY = RegisterWindowMessage(L"omBrowserDestroyMsg");
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if (0 == BHTM_DESTROY ||
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FALSE == PostThreadMessage(threadId, BHTM_DESTROY, 0, (LPARAM)hHost))
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{
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return FALSE;
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}
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BrowserThread_SetFlags(BHTF_BEGINDESTROY, BHTF_BEGINDESTROY, FALSE);
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return TRUE;
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}
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BOOL BrowserThread_PostDestroy(HWND hHost)
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{
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return BrowserThread_PostDestroyEx(GetCurrentThreadId(), hHost);
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}
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BOOL BrowserThread_WaitNavigateComplete(IWebBrowser2 *pWeb2, UINT waitMax)
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{
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MSG msg;
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READYSTATE state;
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if (NULL == pWeb2)
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return FALSE;
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BOOL resultOk = FALSE;
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DWORD tickStart = GetTickCount();
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for(;;)
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{
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if (FAILED(pWeb2->get_ReadyState(&state)))
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break;
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if (READYSTATE_INTERACTIVE <= state)
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{
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resultOk = TRUE;
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break;
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}
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else
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{
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DWORD tickNow = GetTickCount();
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if (tickNow < tickStart || (tickNow - tickStart) >= waitMax)
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{
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break; // time out
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}
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}
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DWORD status = MsgWaitForMultipleObjectsEx(0, NULL, NAVIGATE_WAITTIMEOUT, QS_POSTMESSAGE | QS_TIMER | QS_SENDMESSAGE, MWMO_ALERTABLE);
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switch(status)
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{
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case (WAIT_OBJECT_0 + 0):
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while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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{
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if (!CallMsgFilter(&msg, MSGF_BROWSERLOOP))
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{
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DispatchMessageW(&msg);
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}
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}
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break;
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}
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}
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return resultOk;
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}
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static BOOL BrowserThread_HandleMessage(MSG *pMsg)
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{
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switch(pMsg->message)
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{
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case WM_QUIT:
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BrowserThread_SetFlags(BHTF_QUITLOOP, BHTF_QUITLOOP, TRUE);
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return TRUE;
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}
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if (0 != BHTM_DESTROY && BHTM_DESTROY == pMsg->message)
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{
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HWND hHost = (HWND)pMsg->lParam;
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if (NULL != hHost)
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{
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BrowserThread_SetFlags(BHTF_BEGINDESTROY, BHTF_BEGINDESTROY, FALSE);
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SendMessage(hHost, BTM_RELEASECONTAINER, 0, 0L);
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DestroyWindow(hHost);
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}
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return TRUE;
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}
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return FALSE;
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}
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static LRESULT CALLBACK BrowserThread_MessageFilterProc(INT code, WPARAM wParam, LPARAM lParam)
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{
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BROWSERTHREAD *thread = GetThreadInstance();
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if (code >= 0)
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{
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if (BrowserThread_HandleMessage((MSG*)lParam))
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{
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return TRUE;
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}
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}
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return (NULL != thread && NULL != thread->messageHook) ?
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CallNextHookEx(thread->messageHook, code, wParam, lParam) :
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FALSE;
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}
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static BOOL CALLBACK BrowserThread_DefaultKeyFilter(HWND hwnd, MSG *pMsg)
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{
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return FALSE;
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}
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inline static BOOL BrowserThread_ProcessMessage(HWND hHost, HWND hWinamp, MSG *pMsg, BTKEYFILTERPROC IsHostMessage)
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{
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if (hHost != pMsg->hwnd && FALSE == IsChild(hHost, pMsg->hwnd))
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return FALSE;
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if (pMsg->message >= WM_KEYFIRST && pMsg->message <= WM_KEYLAST)
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{
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if (FALSE != IsHostMessage(hHost, pMsg))
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return TRUE;
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switch(pMsg->wParam)
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{
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case VK_TAB:
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{
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HWND hOwner = (HWND)(LONG_PTR)GetWindowLongPtr(hHost, GWLP_HWNDPARENT);
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if (NULL == hOwner || hWinamp == hOwner)
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hOwner = hHost;
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return IsDialogMessageW(hOwner, pMsg);
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}
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break;
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}
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}
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if (pMsg->message == WM_MOUSEWHEEL)
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{
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POINT cursor;
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HWND targetWindow;
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POINTSTOPOINT(cursor, pMsg->lParam);
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targetWindow = WindowFromPoint(cursor);
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if (NULL != targetWindow &&
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FALSE == IsChild(hHost, targetWindow ) &&
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GetWindowThreadProcessId(targetWindow, NULL) != GetWindowThreadProcessId(hHost, NULL))
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{
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PostMessage(hWinamp, pMsg->message, pMsg->wParam, pMsg->lParam);
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return TRUE;
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}
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}
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return FALSE;
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}
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static void BrowserThread_FinishThread(BROWSERTHREAD *thread)
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{
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if (NULL != thread)
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{
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if (NULL != thread->messageHook)
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{
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UnhookWindowsHookEx(thread->messageHook);
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thread->messageHook = NULL;
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}
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if (NULL != thread->wakeupEvent)
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{
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CloseHandle(thread->wakeupEvent);
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thread->wakeupEvent = NULL;
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}
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}
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if (TLS_OUT_OF_INDEXES != tlsIndex)
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Plugin_TlsSetValue(tlsIndex, NULL);
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OleUninitialize();
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#ifdef _DEBUG
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aTRACE_FMT("[%d] %S: thread exit\r\n", GetCurrentThreadId(), OMBROWSER_NAME);
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#endif // _DEBUG
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}
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static DWORD CALLBACK BrowserThread_MainLoop(LPVOID param)
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{
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#ifdef _DEBUG
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SetThreadName(GetCurrentThreadId(), "omBrowserThread");
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aTRACE_FMT("[%d] %S: thread created\r\n", GetCurrentThreadId(), OMBROWSER_NAME);
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#endif //_DEBUG
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BROWSERTHREADCREATEPARAM *createParam = (BROWSERTHREADCREATEPARAM*)param;
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HWND hWinamp = createParam->hWinamp;
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BROWSERTHREAD thread;
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ZeroMemory(&thread, sizeof(BROWSERTHREAD));
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if (TLS_OUT_OF_INDEXES != tlsIndex)
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Plugin_TlsSetValue(tlsIndex, &thread);
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MSG msg;
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PeekMessage(&msg, NULL, WM_USER, WM_USER, PM_NOREMOVE);
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BTKEYFILTERPROC IsHostMessage = (NULL != createParam->fnKeyFilter) ? createParam->fnKeyFilter : BrowserThread_DefaultKeyFilter;
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thread.messageHook = SetWindowsHookEx(WH_MSGFILTER, BrowserThread_MessageFilterProc, NULL, GetCurrentThreadId());
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thread.wakeupEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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HWND hHost = createParam->fnCreateWnd(createParam->user);
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createParam->hHost = hHost;
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#ifdef _DEBUG
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if (NULL != hHost)
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aTRACE_FMT("[%d] %S: host created\r\n", GetCurrentThreadId(), OMBROWSER_NAME);
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else
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aTRACE_FMT("[%d] %S: host creation fialed\r\n", GetCurrentThreadId(), OMBROWSER_NAME);
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#endif //_DEBUG
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if (NULL != createParam->readyEvent)
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SetEvent(createParam->readyEvent);
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if (NULL != hHost && FAILED(OleInitialize(0)))
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{
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DestroyWindow(hHost);
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hHost = NULL;
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}
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if (NULL == hHost)
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{
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BrowserThread_FinishThread(&thread);
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return -1;
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}
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SendMessage(hHost, BTM_INITCONTAINER, (WPARAM)hWinamp, 0L);
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SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_NORMAL);
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while (0 == (BHTF_QUITLOOP & thread.flags))
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{
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DWORD status = MsgWaitForMultipleObjectsEx(1, &thread.wakeupEvent, INFINITE,
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QS_ALLPOSTMESSAGE | QS_ALLINPUT, MWMO_ALERTABLE | MWMO_INPUTAVAILABLE);
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switch(status)
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{
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case (WAIT_OBJECT_0 + 0):
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// wake up!!!
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break;
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case (WAIT_OBJECT_0 + 1):
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while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
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{
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if (!CallMsgFilter(&msg, MSGF_BROWSERLOOP) && NULL != msg.hwnd)
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{
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if (0 == (BHTF_BEGINDESTROY & thread.flags))
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{
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if (FALSE == BrowserThread_ProcessMessage(hHost, hWinamp, &msg, IsHostMessage))
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{
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TranslateMessage(&msg);
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DispatchMessageW(&msg);
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}
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}
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else
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{
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DispatchMessageW(&msg);
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}
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}
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}
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break;
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}
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}
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BrowserThread_FinishThread(&thread);
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return 0;
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}
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INT BrowserThread_ModalLoop(HWND hwnd, HANDLE hCancel, DWORD timeout)
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{
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MSG msg;
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for (;;)
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{
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DWORD status = MsgWaitForMultipleObjectsEx(1, &hCancel, timeout, QS_ALLINPUT, MWMO_ALERTABLE | MWMO_INPUTAVAILABLE);
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if (WAIT_OBJECT_0 == status)
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{
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return 0;
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}
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else if ((WAIT_OBJECT_0 + 1) == status)
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{
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while (PeekMessageW(&msg, NULL, 0, 0, PM_REMOVE))
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{
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if (msg.message == WM_QUIT)
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{
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PostQuitMessage((INT)msg.wParam);
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return (INT)msg.wParam;
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}
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if (!IsDialogMessageW(hwnd, &msg))
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{
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TranslateMessage(&msg);
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DispatchMessageW(&msg);
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}
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}
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}
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}
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return 0;
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}
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