| /**************************************************************************** |
| ** |
| ** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). |
| ** All rights reserved. |
| ** Contact: Nokia Corporation (qt-info@nokia.com) |
| ** |
| ** This file is part of the ActiveQt framework of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:BSD$ |
| ** You may use this file under the terms of the BSD license as follows: |
| ** |
| ** "Redistribution and use in source and binary forms, with or without |
| ** modification, are permitted provided that the following conditions are |
| ** met: |
| ** * Redistributions of source code must retain the above copyright |
| ** notice, this list of conditions and the following disclaimer. |
| ** * Redistributions in binary form must reproduce the above copyright |
| ** notice, this list of conditions and the following disclaimer in |
| ** the documentation and/or other materials provided with the |
| ** distribution. |
| ** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor |
| ** the names of its contributors may be used to endorse or promote |
| ** products derived from this software without specific prior written |
| ** permission. |
| ** |
| ** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| ** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| ** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| ** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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| ** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE." |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QT_NO_WIN_ACTIVEQT |
| |
| #include <qapplication.h> |
| #include <qwidget.h> |
| |
| #include <qt_windows.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| bool qax_ownQApp = false; |
| HHOOK qax_hhook = 0; |
| |
| // in qaxserver.cpp |
| extern wchar_t qAxModuleFilename[MAX_PATH]; |
| extern bool qAxIsServer; |
| extern ITypeLib *qAxTypeLibrary; |
| extern unsigned long qAxLockCount(); |
| extern QString qAxInit(); |
| extern void qAxCleanup(); |
| extern HANDLE qAxInstance; |
| static uint qAxThreadId = 0; |
| |
| extern HRESULT UpdateRegistry(int bRegister); |
| extern HRESULT GetClassObject(const GUID &clsid, const GUID &iid, void **ppUnk); |
| |
| STDAPI DllRegisterServer() |
| { |
| return UpdateRegistry(true); |
| } |
| |
| STDAPI DllUnregisterServer() |
| { |
| return UpdateRegistry(false); |
| } |
| |
| STDAPI DllGetClassObject(const GUID &clsid, const GUID &iid, void** ppv) |
| { |
| if (!qAxThreadId) |
| qAxThreadId = GetCurrentThreadId(); |
| else if (GetCurrentThreadId() != qAxThreadId) |
| return E_FAIL; |
| |
| GetClassObject(clsid, iid, ppv); |
| if (!*ppv) |
| return CLASS_E_CLASSNOTAVAILABLE; |
| return S_OK; |
| } |
| |
| STDAPI DllCanUnloadNow() |
| { |
| if (GetCurrentThreadId() != qAxThreadId) |
| return S_FALSE; |
| if (qAxLockCount()) |
| return S_FALSE; |
| if (!qax_ownQApp) |
| return S_OK; |
| |
| // check if qApp still runs widgets (in other DLLs) |
| QWidgetList widgets = qApp->allWidgets(); |
| int count = widgets.count(); |
| for (int w = 0; w < widgets.count(); ++w) { |
| // remove all Qt generated widgets |
| QWidget *widget = widgets.at(w); |
| if (widget->windowType() == Qt::Desktop || widget->objectName() == QLatin1String("Qt internal tablet widget")) |
| count--; |
| } |
| if (count) |
| return S_FALSE; |
| |
| // no widgets left - destroy qApp |
| if (qax_hhook) |
| UnhookWindowsHookEx(qax_hhook); |
| |
| delete qApp; |
| qax_ownQApp = false; |
| |
| // never allow unloading - safety net for Internet Explorer |
| return S_FALSE; |
| } |
| |
| |
| EXTERN_C BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID lpvReserved) |
| { |
| GetModuleFileName(hInstance, qAxModuleFilename, MAX_PATH); |
| qAxInstance = hInstance; |
| qAxIsServer = true; |
| |
| if (dwReason == DLL_PROCESS_ATTACH) { |
| DisableThreadLibraryCalls(hInstance); |
| qAxInit(); |
| } else if (dwReason == DLL_PROCESS_DETACH) { |
| qAxCleanup(); |
| } |
| |
| return true; |
| } |
| |
| QT_END_NAMESPACE |
| #endif // QT_NO_WIN_ACTIVEQT |