+++ /dev/null
-#include "precomp.h"
-#include <shlwapi.h>
-#include <shlwapi_undoc.h>
-
-#define PROXY_DESKTOP_CLASS L"Proxy Desktop"
-
-BOOL g_SeparateFolders = FALSE;
-HWND g_hwndProxyDesktop = NULL;
-
-// fields indented more are unknown ;P
-struct HNFBlock
-{
- UINT cbSize;
- DWORD offset4;
- DWORD offset8;
- DWORD offsetC;
- DWORD offset10;
- DWORD offset14;
- DWORD offset18;
- DWORD offset1C;
- DWORD offset20;
- DWORD offset24;
- DWORD offset28;
- DWORD offset2C;
- DWORD offset30;
- UINT directoryPidlLength;
- UINT pidlSize7C;
- UINT pidlSize80;
- UINT pathLength;
-};
-
-class CProxyDesktop :
- public CComObjectRootEx<CComMultiThreadModelNoCS>,
- public CWindowImpl < CProxyDesktop, CWindow, CFrameWinTraits >
-{
- IEThreadParamBlock * m_Parameters;
-
- LPITEMIDLIST m_rootPidl;
-
-public:
- CProxyDesktop(IEThreadParamBlock * parameters) :
- m_Parameters(parameters)
- {
-
- }
-
- virtual ~CProxyDesktop()
- {
- }
-
- LRESULT OnMessage1037(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
- {
- TRACE("Proxy Desktop message 1037.\n");
- bHandled = TRUE;
- return TRUE;
- }
-
- LRESULT OnOpenNewWindow(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
- {
- TRACE("Proxy Desktop message 1035 received.\n");
- bHandled = TRUE;
- SHOnCWMCommandLine((HANDLE) lParam);
- return 0;
- }
-
- DECLARE_WND_CLASS_EX(PROXY_DESKTOP_CLASS, CS_SAVEBITS | CS_DROPSHADOW, COLOR_3DFACE)
-
- BEGIN_MSG_MAP(CProxyDesktop)
- MESSAGE_HANDLER(WM_EXPLORER_1037, OnMessage1037)
- MESSAGE_HANDLER(WM_EXPLORER_OPEN_NEW_WINDOW, OnOpenNewWindow)
- END_MSG_MAP()
-};
-
-HWND FindShellProxy(LPITEMIDLIST pidl)
-{
- /* If there is a proxy desktop in the current process use it */
- if (g_hwndProxyDesktop)
- return g_hwndProxyDesktop;
-
- /* Try to find the desktop of the main explorer process */
- if (!g_SeparateFolders)
- {
- HWND shell = GetShellWindow();
-
- if (shell)
- {
- TRACE("Found main desktop.\n");
- return shell;
- }
- }
- else
- {
- TRACE("Separate folders setting enabled. Ignoring main desktop.\n");
- }
-
- /* The main desktop can't be find so try to see if another process has a proxy desktop */
- HWND proxy = FindWindow(PROXY_DESKTOP_CLASS, NULL);
- if (proxy)
- {
- TRACE("Found proxy desktop.\n");
- return proxy;
- }
-
- return NULL;
-}
-
-HANDLE MakeSharedPacket(IEThreadParamBlock * threadParams, LPCWSTR strPath, int dwProcessId)
-{
- HNFBlock* hnfData;
- UINT sharedBlockSize = sizeof(*hnfData);
- UINT directoryPidlLength = 0;
- UINT pidlSize7C = 0;
- UINT pidlSize80 = 0;
- UINT pathLength = 0;
- LPITEMIDLIST pidl80 = threadParams->offset80;
-
- // Count the total length of the message packet
-
- // directory PIDL
- if (threadParams->directoryPIDL)
- {
- directoryPidlLength = ILGetSize(threadParams->directoryPIDL);
- sharedBlockSize += directoryPidlLength;
- TRACE("directoryPidlLength=%d\n", directoryPidlLength);
- }
-
- // another PIDL
- if (threadParams->offset7C)
- {
- pidlSize7C = ILGetSize(threadParams->offset7C);
- sharedBlockSize += pidlSize7C;
- TRACE("pidlSize7C=%d\n", pidlSize7C);
- }
-
- // This flag indicates the presence of another pidl?
- if (!(threadParams->offset84 & 0x8000))
- {
- if (pidl80)
- {
- pidlSize80 = ILGetSize(pidl80);
- sharedBlockSize += pidlSize80;
- TRACE("pidlSize80=%d\n", pidlSize7C);
- }
- }
- else
- {
- TRACE("pidl80 sent by value = %p\n", pidl80);
- pidlSize80 = 4;
- sharedBlockSize += pidlSize80;
- }
-
- // The path string
- if (strPath)
- {
- pathLength = 2 * lstrlenW(strPath) + 2;
- sharedBlockSize += pathLength;
- TRACE("pathLength=%d\n", pidlSize7C);
- }
-
- TRACE("sharedBlockSize=%d\n", sharedBlockSize);
-
- // Allocate and fill the shared section
- HANDLE hShared = SHAllocShared(0, sharedBlockSize, dwProcessId);
- if (!hShared)
- {
- ERR("Shared section alloc error.\n");
- return 0;
- }
-
- PBYTE target = (PBYTE) SHLockShared(hShared, dwProcessId);
- if (!target)
- {
- ERR("Shared section lock error. %d\n", GetLastError());
- SHFreeShared(hShared, dwProcessId);
- return 0;
- }
-
- // Basic information
- hnfData = (HNFBlock*) target;
- hnfData->cbSize = sharedBlockSize;
- hnfData->offset4 = (DWORD) (threadParams->dwFlags);
- hnfData->offset8 = (DWORD) (threadParams->offset8);
- hnfData->offsetC = (DWORD) (threadParams->offset74);
- hnfData->offset10 = (DWORD) (threadParams->offsetD8);
- hnfData->offset14 = (DWORD) (threadParams->offset84);
- hnfData->offset18 = (DWORD) (threadParams->offset88);
- hnfData->offset1C = (DWORD) (threadParams->offset8C);
- hnfData->offset20 = (DWORD) (threadParams->offset90);
- hnfData->offset24 = (DWORD) (threadParams->offset94);
- hnfData->offset28 = (DWORD) (threadParams->offset98);
- hnfData->offset2C = (DWORD) (threadParams->offset9C);
- hnfData->offset30 = (DWORD) (threadParams->offsetA0);
- hnfData->directoryPidlLength = 0;
- hnfData->pidlSize7C = 0;
- hnfData->pidlSize80 = 0;
- hnfData->pathLength = 0;
- target += sizeof(*hnfData);
-
- // Copy the directory pidl contents
- if (threadParams->directoryPIDL)
- {
- memcpy(target, threadParams->directoryPIDL, directoryPidlLength);
- target += directoryPidlLength;
- hnfData->directoryPidlLength = directoryPidlLength;
- }
-
- // Copy the other pidl contents
- if (threadParams->offset7C)
- {
- memcpy(target, threadParams->offset7C, pidlSize7C);
- target += pidlSize7C;
- hnfData->pidlSize7C = pidlSize7C;
- }
-
- // copy the third pidl
- if (threadParams->offset84 & 0x8000)
- {
- *(LPITEMIDLIST*) target = pidl80;
- target += pidlSize80;
- hnfData->pidlSize80 = pidlSize80;
- }
- else if (pidl80)
- {
- memcpy(target, pidl80, pidlSize80);
- target += pidlSize80;
- hnfData->pidlSize80 = pidlSize80;
- }
-
- // and finally the path string
- if (strPath)
- {
- memcpy(target, strPath, pathLength);
- hnfData->pathLength = pathLength;
- }
-
- SHUnlockShared(hnfData);
-
- return hShared;
-}
-
-PIE_THREAD_PARAM_BLOCK ParseSharedPacket(HANDLE hData)
-{
- HNFBlock * hnfData;
- PBYTE block;
- int pid;
- PIE_THREAD_PARAM_BLOCK params = NULL;
-
- if (!hData)
- goto cleanup0;
-
- pid = GetCurrentProcessId();
- block = (PBYTE) SHLockShared(hData, pid);
-
- hnfData = (HNFBlock *) block;
- if (!block)
- goto cleanup2;
-
- if (hnfData->cbSize < sizeof(HNFBlock))
- goto cleanup2;
-
- params = SHCreateIETHREADPARAM(0, hnfData->offset8, 0, 0);
- if (!params)
- goto cleanup2;
-
- params->dwFlags = hnfData->offset4;
- params->offset8 = hnfData->offset8;
- params->offset74 = hnfData->offsetC;
- params->offsetD8 = hnfData->offset10;
- params->offset84 = hnfData->offset14;
- params->offset88 = hnfData->offset18;
- params->offset8C = hnfData->offset1C;
- params->offset90 = hnfData->offset20;
- params->offset94 = hnfData->offset24;
- params->offset98 = hnfData->offset28;
- params->offset9C = hnfData->offset2C;
- params->offsetA0 = hnfData->offset30;
-
- block += sizeof(*hnfData);
- if (hnfData->directoryPidlLength)
- {
- LPITEMIDLIST pidl = NULL;
- if (*block)
- pidl = ILClone((LPITEMIDLIST) block);
- params->directoryPIDL = pidl;
-
- block += hnfData->directoryPidlLength;
- }
-
- if (hnfData->pidlSize7C)
- {
- LPITEMIDLIST pidl = NULL;
- if (*block)
- pidl = ILClone((LPITEMIDLIST) block);
- params->offset7C = pidl;
-
- block += hnfData->pidlSize80;
- }
-
- if (hnfData->pidlSize80)
- {
- if (!(params->offset84 & 0x8000))
- {
- params->offset80 = *(LPITEMIDLIST *) block;
- }
- else
- {
- LPITEMIDLIST pidl = NULL;
- if (*block)
- pidl = ILClone((LPITEMIDLIST) block);
- params->offset80 = pidl;
- }
-
- block += hnfData->pidlSize80;
- }
-
- if (hnfData->pathLength)
- {
- CComPtr<IShellFolder> psfDesktop;
- PWSTR strPath = (PWSTR) block;
-
- if (FAILED(SHGetDesktopFolder(&psfDesktop)))
- {
- params->directoryPIDL = NULL;
- goto cleanup0;
- }
-
- if (FAILED(psfDesktop->ParseDisplayName(NULL, NULL, strPath, NULL, ¶ms->directoryPIDL, NULL)))
- {
- params->directoryPIDL = NULL;
- goto cleanup0;
- }
- }
-
-cleanup2:
- SHUnlockShared(hnfData);
- SHFreeShared(hData, pid);
-
-cleanup0:
- if (!params->directoryPIDL)
- {
- SHDestroyIETHREADPARAM(params);
- return NULL;
- }
-
- return params;
-}
-
-
-static HRESULT ExplorerMessageLoop(IEThreadParamBlock * parameters)
-{
- CComPtr<IBrowserService2> browser;
- HRESULT hResult;
- MSG Msg;
- BOOL Ret;
-
- // Tell the thread ref we are using it.
- if (parameters && parameters->offsetF8)
- parameters->offsetF8->AddRef();
-
- /* Handle /e parameter */
- UINT wFlags = 0;
- if ((parameters->dwFlags & SH_EXPLORER_CMDLINE_FLAG_E))
- wFlags |= SBSP_EXPLOREMODE;
-
- /* Handle /select parameter */
- PUITEMID_CHILD pidlSelect = NULL;
- if ((parameters->dwFlags & SH_EXPLORER_CMDLINE_FLAG_SELECT) &&
- (ILGetNext(parameters->directoryPIDL) != NULL))
- {
- pidlSelect = ILClone(ILFindLastID(parameters->directoryPIDL));
- ILRemoveLastID(parameters->directoryPIDL);
- }
-
- hResult = CShellBrowser_CreateInstance(parameters->directoryPIDL, wFlags, IID_PPV_ARG(IBrowserService2, &browser));
- if (FAILED_UNEXPECTEDLY(hResult))
- return hResult;
-
- if (pidlSelect != NULL)
- {
- CComPtr<IShellBrowser> pisb;
- hResult = browser->QueryInterface(IID_PPV_ARG(IShellBrowser, &pisb));
- if (SUCCEEDED(hResult))
- {
- CComPtr<IShellView> shellView;
- hResult = pisb->QueryActiveShellView(&shellView);
- if (SUCCEEDED(hResult))
- {
- shellView->SelectItem(pidlSelect, SVSI_SELECT|SVSI_ENSUREVISIBLE);
- }
- }
- ILFree(pidlSelect);
- }
-
- while ((Ret = GetMessage(&Msg, NULL, 0, 0)) != 0)
- {
- if (Ret == -1)
- {
- // Error: continue or exit?
- break;
- }
-
- if (Msg.message == WM_QUIT)
- break;
-
- if (browser->v_MayTranslateAccelerator(&Msg) != S_OK)
- {
- TranslateMessage(&Msg);
- DispatchMessage(&Msg);
- }
- }
-
- int nrc = browser->Release();
- if (nrc > 0)
- {
- DbgPrint("WARNING: There are %d references to the CShellBrowser active or leaked.\n", nrc);
- }
-
- browser.Detach();
-
- // Tell the thread ref we are not using it anymore.
- if (parameters && parameters->offsetF8)
- parameters->offsetF8->Release();
-
- return hResult;
-}
-
-static DWORD WINAPI BrowserThreadProc(LPVOID lpThreadParameter)
-{
- IEThreadParamBlock * parameters = (IEThreadParamBlock *) lpThreadParameter;
-
- OleInitialize(NULL);
- ExplorerMessageLoop(parameters);
-
- /* Destroying the parameters releases the thread reference */
- SHDestroyIETHREADPARAM(parameters);
-
- /* Wake up the proxy desktop thread so it can check whether the last browser thread exited */
- /* Use PostMessage in order to force GetMessage to return and check if all browser windows have exited */
- PostMessageW(FindShellProxy(NULL), WM_EXPLORER_1037, 0, 0);
-
- OleUninitialize();
-
- return 0;
-}
-
-/*************************************************************************
-* SHCreateIETHREADPARAM [BROWSEUI.123]
-*/
-extern "C" IEThreadParamBlock *WINAPI SHCreateIETHREADPARAM(
- long param8, long paramC, IUnknown *param10, IUnknown *param14)
-{
- IEThreadParamBlock *result;
-
- TRACE("SHCreateIETHREADPARAM\n");
-
- result = (IEThreadParamBlock *) LocalAlloc(LMEM_ZEROINIT, 256);
- if (result == NULL)
- return NULL;
- result->offset0 = param8;
- result->offset8 = paramC;
- result->offsetC = param10;
- if (param10 != NULL)
- param10->AddRef();
- result->offset14 = param14;
- if (param14 != NULL)
- param14->AddRef();
- return result;
-}
-
-/*************************************************************************
-* SHCloneIETHREADPARAM [BROWSEUI.124]
-*/
-extern "C" IEThreadParamBlock *WINAPI SHCloneIETHREADPARAM(IEThreadParamBlock *param)
-{
- IEThreadParamBlock *result;
-
- TRACE("SHCloneIETHREADPARAM\n");
-
- result = (IEThreadParamBlock *) LocalAlloc(LMEM_FIXED, 256);
- if (result == NULL)
- return NULL;
- memcpy(result, param, 0x40 * 4);
- if (result->directoryPIDL != NULL)
- result->directoryPIDL = ILClone(result->directoryPIDL);
- if (result->offset7C != NULL)
- result->offset7C = ILClone(result->offset7C);
- if (result->offset80 != NULL)
- result->offset80 = ILClone(result->offset80);
- if (result->offset70 != NULL)
- result->offset70->AddRef();
-#if 0
- if (result->offsetC != NULL)
- result->offsetC->Method2C();
-#endif
- return result;
-}
-
-/*************************************************************************
-* SHDestroyIETHREADPARAM [BROWSEUI.126]
-*/
-extern "C" void WINAPI SHDestroyIETHREADPARAM(IEThreadParamBlock *param)
-{
- TRACE("SHDestroyIETHREADPARAM\n");
-
- if (param == NULL)
- return;
- if (param->directoryPIDL != NULL)
- ILFree(param->directoryPIDL);
- if (param->offset7C != NULL)
- ILFree(param->offset7C);
- if ((param->dwFlags & 0x80000) == 0 && param->offset80 != NULL)
- ILFree(param->offset80);
- if (param->offset14 != NULL)
- param->offset14->Release();
- if (param->offset70 != NULL)
- param->offset70->Release();
- if (param->offset78 != NULL)
- param->offset78->Release();
- if (param->offsetC != NULL)
- param->offsetC->Release();
- if (param->offsetF8 != NULL)
- param->offsetF8->Release();
- LocalFree(param);
-}
-
-/*************************************************************************
-* SHOnCWMCommandLine [BROWSEUI.127]
-*/
-extern "C" BOOL WINAPI SHOnCWMCommandLine(HANDLE hSharedInfo)
-{
- TRACE("SHOnCWMCommandLine\n");
-
- PIE_THREAD_PARAM_BLOCK params = ParseSharedPacket(hSharedInfo);
-
- if (params)
- return SHOpenFolderWindow(params);
-
- SHDestroyIETHREADPARAM(params);
-
- return FALSE;
-}
-
-/*************************************************************************
-* SHOpenFolderWindow [BROWSEUI.102]
-* see SHOpenNewFrame below for remarks
-*/
-extern "C" HRESULT WINAPI SHOpenFolderWindow(PIE_THREAD_PARAM_BLOCK parameters)
-{
- HANDLE threadHandle;
- DWORD threadID;
-
- WCHAR debugStr[MAX_PATH + 1];
- SHGetPathFromIDListW(parameters->directoryPIDL, debugStr);
-
- TRACE("SHOpenFolderWindow %p(%S)\n", parameters->directoryPIDL, debugStr);
-
- PIE_THREAD_PARAM_BLOCK paramsCopy = SHCloneIETHREADPARAM(parameters);
-
- SHGetInstanceExplorer(&(paramsCopy->offsetF8));
- threadHandle = CreateThread(NULL, 0x10000, BrowserThreadProc, paramsCopy, 0, &threadID);
- if (threadHandle != NULL)
- {
- CloseHandle(threadHandle);
- return S_OK;
- }
- SHDestroyIETHREADPARAM(paramsCopy);
- return E_FAIL;
-}
-
-// 75FA56C1h
-// (pidl, 0, -1, 1)
-// this function should handle creating a new process if needed, but I'm leaving that out for now
-// this function always opens a new window - it does NOT check for duplicates
-/*************************************************************************
-* SHOpenNewFrame [BROWSEUI.103]
-*/
-extern "C" HRESULT WINAPI SHOpenNewFrame(LPITEMIDLIST pidl, IUnknown *paramC, long param10, DWORD dwFlags)
-{
- IEThreadParamBlock *parameters;
-
- TRACE("SHOpenNewFrame\n");
-
- parameters = SHCreateIETHREADPARAM(0, 1, paramC, NULL);
- if (parameters == NULL)
- {
- ILFree(pidl);
- return E_OUTOFMEMORY;
- }
- if (paramC != NULL)
- parameters->offset10 = param10;
- parameters->directoryPIDL = pidl;
- parameters->dwFlags = dwFlags;
-
- HRESULT hr = SHOpenFolderWindow(parameters);
-
- SHDestroyIETHREADPARAM(parameters);
-
- return hr;
-}
-
-/*************************************************************************
-* SHCreateFromDesktop [BROWSEUI.106]
-* parameter is a FolderInfo
-*/
-BOOL WINAPI SHCreateFromDesktop(ExplorerCommandLineParseResults * parseResults)
-{
- TRACE("SHCreateFromDesktop\n");
-
- IEThreadParamBlock * parameters = SHCreateIETHREADPARAM(0, 0, 0, 0);
- if (!parameters)
- return FALSE;
-
- PCWSTR strPath = NULL;
- if (parseResults->dwFlags & SH_EXPLORER_CMDLINE_FLAG_STRING)
- {
- if (parseResults->pidlPath)
- {
- WARN("strPath and pidlPath are both assigned. This shouldn't happen.\n");
- }
-
- strPath = parseResults->strPath;
- }
-
- parameters->dwFlags = parseResults->dwFlags;
- parameters->offset8 = parseResults->offsetC;
-
- LPITEMIDLIST pidl = parseResults->pidlPath ? ILClone(parseResults->pidlPath) : NULL;
- if (!pidl && parseResults->dwFlags & SH_EXPLORER_CMDLINE_FLAG_STRING)
- {
- if (parseResults->strPath && parseResults->strPath[0])
- {
- pidl = ILCreateFromPathW(parseResults->strPath);
- }
- }
-
- // HACK! This shouldn't happen! SHExplorerParseCmdLine needs fixing.
- if (!pidl)
- {
- SHGetFolderLocation(NULL, CSIDL_PERSONAL, NULL, NULL, &pidl);
- }
-
- parameters->directoryPIDL = pidl;
-
- // Try to find the owner of the idlist, if we aren't running /SEPARATE
- HWND desktop = NULL;
- if (!(parseResults->dwFlags & SH_EXPLORER_CMDLINE_FLAG_SEPARATE))
- desktop = FindShellProxy(parameters->directoryPIDL);
-
- // If found, ask it to open the new window
- if (desktop)
- {
- TRACE("Found desktop hwnd=%p\n", desktop);
-
- DWORD dwProcessId;
-
- GetWindowThreadProcessId(desktop, &dwProcessId);
- AllowSetForegroundWindow(dwProcessId);
-
- HANDLE hShared = MakeSharedPacket(parameters, strPath, dwProcessId);
- if (hShared)
- {
- TRACE("Sending open message...\n");
-
- PostMessageW(desktop, WM_EXPLORER_OPEN_NEW_WINDOW, 0, (LPARAM) hShared);
- }
-
- SHDestroyIETHREADPARAM(parameters);
- return TRUE;
- }
-
- TRACE("Desktop not found or separate flag requested.\n");
-
- // Else, start our own message loop!
- HRESULT hr = CoInitialize(NULL);
- CProxyDesktop * proxy = new CProxyDesktop(parameters);
- if (proxy)
- {
- g_hwndProxyDesktop = proxy->Create(0);
-
- LONG refCount;
- CComPtr<IUnknown> thread;
- if (SHCreateThreadRef(&refCount, &thread) >= 0)
- {
- SHSetInstanceExplorer(thread);
- if (strPath)
- parameters->directoryPIDL = ILCreateFromPath(strPath);
- SHOpenFolderWindow(parameters);
- parameters = NULL;
- thread.Release();
- }
-
- MSG Msg;
- while (GetMessageW(&Msg, 0, 0, 0) && refCount)
- {
- TranslateMessage(&Msg);
- DispatchMessageW(&Msg);
- }
-
- DestroyWindow(g_hwndProxyDesktop);
-
- delete proxy;
- }
-
- if (SUCCEEDED(hr))
- CoUninitialize();
-
- SHDestroyIETHREADPARAM(parameters);
-
- return TRUE;
-}
projects / reactos.git / blobdiff