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d2f5f7f14f
* Refactor the desktop thread/creation code. svn path=/branches/shell-experiments/; revision=65199
145 lines
3.5 KiB
C++
145 lines
3.5 KiB
C++
/*
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* ReactOS Explorer
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*
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* Copyright 2006 - 2007 Thomas Weidenmueller <w3seek@reactos.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "precomp.h"
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HANDLE WINAPI _SHCreateDesktop(IShellDesktopTray *ShellDesk);
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BOOL WINAPI _SHDesktopMessageLoop(HANDLE hDesktop);
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class CDesktopThread
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{
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HANDLE hEvent;
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HANDLE hDesktop;
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CComPtr<ITrayWindow> Tray;
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DWORD DesktopThreadProc()
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{
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CComPtr<IShellDesktopTray> pSdt;
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HANDLE hDesktop;
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HRESULT hRet;
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OleInitialize(NULL);
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hRet = Tray->QueryInterface(IID_PPV_ARG(IShellDesktopTray, &pSdt));
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if (!SUCCEEDED(hRet))
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return 1;
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hDesktop = _SHCreateDesktop(pSdt);
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if (hDesktop == NULL)
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return 1;
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if (!SetEvent(hEvent))
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{
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/* Failed to notify that we initialized successfully, kill ourselves
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to make the main thread wake up! */
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return 1;
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}
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_SHDesktopMessageLoop(hDesktop);
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/* FIXME: Properly rundown the main thread! */
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ExitProcess(0);
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return 0;
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}
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static DWORD CALLBACK s_DesktopThreadProc(IN OUT LPVOID lpParameter)
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{
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return reinterpret_cast<CDesktopThread*>(lpParameter)->DesktopThreadProc();
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}
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public:
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CDesktopThread() :
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hEvent(NULL),
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hDesktop(NULL),
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Tray(NULL)
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{
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}
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HANDLE Initialize(IN OUT ITrayWindow *pTray)
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{
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HANDLE hThread;
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HANDLE Handles[2];
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Tray = pTray;
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hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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if (!hEvent)
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return NULL;
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hThread = CreateThread(NULL, 0, s_DesktopThreadProc, (PVOID)this, 0, NULL);
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if (!hThread)
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{
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CloseHandle(hEvent);
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return NULL;
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}
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Handles[0] = hThread;
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Handles[1] = hEvent;
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for (;;)
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{
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DWORD WaitResult = MsgWaitForMultipleObjects(_countof(Handles), Handles, FALSE, INFINITE, QS_ALLEVENTS);
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if (WaitResult == WAIT_OBJECT_0 + _countof(Handles))
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{
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TrayProcessMessages(Tray);
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}
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else if (WaitResult != WAIT_FAILED && WaitResult != WAIT_OBJECT_0)
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{
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break;
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}
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}
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CloseHandle(hThread);
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CloseHandle(hEvent);
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return hDesktop;
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}
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void Destroy()
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{
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return;
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}
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} * g_pDesktopWindowInstance;
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HANDLE
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DesktopCreateWindow(IN OUT ITrayWindow *Tray)
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{
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if (!g_pDesktopWindowInstance)
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{
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g_pDesktopWindowInstance = new CDesktopThread();
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}
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if (!g_pDesktopWindowInstance)
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return NULL;
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return g_pDesktopWindowInstance->Initialize(Tray);
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}
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VOID
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DesktopDestroyShellWindow(IN HANDLE hDesktop)
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{
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if (g_pDesktopWindowInstance)
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{
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g_pDesktopWindowInstance->Destroy();
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}
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}
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