mirror of
https://github.com/reactos/reactos.git
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5b78381a53
* [BROWSEUI][SHELL32] Implement BrowseObject flags Respect CABINETSTATE::fNewWindowMode if no other flags are relevant
724 lines
20 KiB
C++
724 lines
20 KiB
C++
#include "precomp.h"
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#include <shlwapi.h>
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#include <shlwapi_undoc.h>
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#define PROXY_DESKTOP_CLASS L"Proxy Desktop"
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BOOL g_SeparateFolders = FALSE;
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HWND g_hwndProxyDesktop = NULL;
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// fields indented more are unknown ;P
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struct HNFBlock
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{
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UINT cbSize;
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DWORD offset4;
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DWORD offset8;
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DWORD offsetC;
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DWORD offset10;
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DWORD offset14;
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DWORD offset18;
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DWORD offset1C;
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DWORD offset20;
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DWORD offset24;
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DWORD offset28;
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DWORD offset2C;
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DWORD offset30;
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UINT directoryPidlLength;
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UINT pidlSize7C;
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UINT pidlSize80;
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UINT pathLength;
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};
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class CProxyDesktop :
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public CComObjectRootEx<CComMultiThreadModelNoCS>,
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public CWindowImpl < CProxyDesktop, CWindow, CFrameWinTraits >
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{
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public:
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CProxyDesktop(IEThreadParamBlock * parameters)
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{
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}
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virtual ~CProxyDesktop()
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{
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}
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LRESULT OnMessage1037(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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TRACE("Proxy Desktop message 1037.\n");
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bHandled = TRUE;
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return TRUE;
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}
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LRESULT OnOpenNewWindow(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
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{
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TRACE("Proxy Desktop message 1035 received.\n");
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bHandled = TRUE;
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SHOnCWMCommandLine((HANDLE) lParam);
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return 0;
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}
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DECLARE_WND_CLASS_EX(PROXY_DESKTOP_CLASS, CS_SAVEBITS | CS_DROPSHADOW, COLOR_3DFACE)
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BEGIN_MSG_MAP(CProxyDesktop)
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MESSAGE_HANDLER(WM_EXPLORER_1037, OnMessage1037)
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MESSAGE_HANDLER(WM_EXPLORER_OPEN_NEW_WINDOW, OnOpenNewWindow)
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END_MSG_MAP()
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};
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HWND FindShellProxy(LPITEMIDLIST pidl)
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{
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/* If there is a proxy desktop in the current process use it */
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if (g_hwndProxyDesktop)
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return g_hwndProxyDesktop;
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/* Try to find the desktop of the main explorer process */
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if (!g_SeparateFolders)
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{
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HWND shell = GetShellWindow();
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if (shell)
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{
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TRACE("Found main desktop.\n");
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return shell;
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}
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}
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else
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{
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TRACE("Separate folders setting enabled. Ignoring main desktop.\n");
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}
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/* The main desktop can't be find so try to see if another process has a proxy desktop */
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HWND proxy = FindWindow(PROXY_DESKTOP_CLASS, NULL);
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if (proxy)
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{
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TRACE("Found proxy desktop.\n");
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return proxy;
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}
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return NULL;
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}
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HANDLE MakeSharedPacket(IEThreadParamBlock * threadParams, LPCWSTR strPath, int dwProcessId)
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{
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HNFBlock* hnfData;
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UINT sharedBlockSize = sizeof(*hnfData);
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UINT directoryPidlLength = 0;
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UINT pidlSize7C = 0;
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UINT pidlSize80 = 0;
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UINT pathLength = 0;
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LPITEMIDLIST pidl80 = threadParams->offset80;
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// Count the total length of the message packet
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// directory PIDL
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if (threadParams->directoryPIDL)
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{
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directoryPidlLength = ILGetSize(threadParams->directoryPIDL);
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sharedBlockSize += directoryPidlLength;
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TRACE("directoryPidlLength=%d\n", directoryPidlLength);
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}
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// another PIDL
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if (threadParams->offset7C)
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{
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pidlSize7C = ILGetSize(threadParams->offset7C);
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sharedBlockSize += pidlSize7C;
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TRACE("pidlSize7C=%d\n", pidlSize7C);
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}
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// This flag indicates the presence of another pidl?
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if (!(threadParams->offset84 & 0x8000))
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{
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if (pidl80)
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{
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pidlSize80 = ILGetSize(pidl80);
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sharedBlockSize += pidlSize80;
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TRACE("pidlSize80=%d\n", pidlSize7C);
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}
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}
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else
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{
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TRACE("pidl80 sent by value = %p\n", pidl80);
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pidlSize80 = 4;
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sharedBlockSize += pidlSize80;
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}
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// The path string
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if (strPath)
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{
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pathLength = 2 * lstrlenW(strPath) + 2;
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sharedBlockSize += pathLength;
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TRACE("pathLength=%d\n", pidlSize7C);
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}
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TRACE("sharedBlockSize=%d\n", sharedBlockSize);
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// Allocate and fill the shared section
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HANDLE hShared = SHAllocShared(0, sharedBlockSize, dwProcessId);
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if (!hShared)
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{
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ERR("Shared section alloc error.\n");
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return 0;
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}
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PBYTE target = (PBYTE) SHLockShared(hShared, dwProcessId);
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if (!target)
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{
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ERR("Shared section lock error. %d\n", GetLastError());
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SHFreeShared(hShared, dwProcessId);
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return 0;
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}
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// Basic information
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hnfData = (HNFBlock*) target;
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hnfData->cbSize = sharedBlockSize;
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hnfData->offset4 = (DWORD) (threadParams->dwFlags);
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hnfData->offset8 = (DWORD) (threadParams->offset8);
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hnfData->offsetC = (DWORD) (threadParams->offset74);
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hnfData->offset10 = (DWORD) (threadParams->offsetD8);
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hnfData->offset14 = (DWORD) (threadParams->offset84);
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hnfData->offset18 = (DWORD) (threadParams->offset88);
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hnfData->offset1C = (DWORD) (threadParams->offset8C);
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hnfData->offset20 = (DWORD) (threadParams->offset90);
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hnfData->offset24 = (DWORD) (threadParams->offset94);
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hnfData->offset28 = (DWORD) (threadParams->offset98);
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hnfData->offset2C = (DWORD) (threadParams->offset9C);
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hnfData->offset30 = (DWORD) (threadParams->offsetA0);
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hnfData->directoryPidlLength = 0;
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hnfData->pidlSize7C = 0;
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hnfData->pidlSize80 = 0;
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hnfData->pathLength = 0;
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target += sizeof(*hnfData);
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// Copy the directory pidl contents
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if (threadParams->directoryPIDL)
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{
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memcpy(target, threadParams->directoryPIDL, directoryPidlLength);
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target += directoryPidlLength;
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hnfData->directoryPidlLength = directoryPidlLength;
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}
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// Copy the other pidl contents
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if (threadParams->offset7C)
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{
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memcpy(target, threadParams->offset7C, pidlSize7C);
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target += pidlSize7C;
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hnfData->pidlSize7C = pidlSize7C;
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}
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// copy the third pidl
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if (threadParams->offset84 & 0x8000)
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{
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*(LPITEMIDLIST*) target = pidl80;
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target += pidlSize80;
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hnfData->pidlSize80 = pidlSize80;
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}
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else if (pidl80)
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{
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memcpy(target, pidl80, pidlSize80);
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target += pidlSize80;
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hnfData->pidlSize80 = pidlSize80;
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}
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// and finally the path string
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if (strPath)
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{
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memcpy(target, strPath, pathLength);
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hnfData->pathLength = pathLength;
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}
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SHUnlockShared(hnfData);
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return hShared;
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}
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PIE_THREAD_PARAM_BLOCK ParseSharedPacket(HANDLE hData)
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{
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HNFBlock * hnfData;
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PBYTE block;
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int pid;
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PIE_THREAD_PARAM_BLOCK params = NULL;
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if (!hData)
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goto cleanup0;
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pid = GetCurrentProcessId();
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block = (PBYTE) SHLockShared(hData, pid);
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hnfData = (HNFBlock *) block;
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if (!block)
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goto cleanup2;
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if (hnfData->cbSize < sizeof(HNFBlock))
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goto cleanup2;
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params = SHCreateIETHREADPARAM(0, hnfData->offset8, 0, 0);
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if (!params)
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goto cleanup2;
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params->dwFlags = hnfData->offset4;
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params->offset8 = hnfData->offset8;
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params->offset74 = hnfData->offsetC;
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params->offsetD8 = hnfData->offset10;
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params->offset84 = hnfData->offset14;
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params->offset88 = hnfData->offset18;
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params->offset8C = hnfData->offset1C;
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params->offset90 = hnfData->offset20;
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params->offset94 = hnfData->offset24;
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params->offset98 = hnfData->offset28;
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params->offset9C = hnfData->offset2C;
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params->offsetA0 = hnfData->offset30;
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block += sizeof(*hnfData);
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if (hnfData->directoryPidlLength)
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{
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LPITEMIDLIST pidl = NULL;
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if (*block)
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pidl = ILClone((LPITEMIDLIST) block);
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params->directoryPIDL = pidl;
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block += hnfData->directoryPidlLength;
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}
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if (hnfData->pidlSize7C)
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{
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LPITEMIDLIST pidl = NULL;
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if (*block)
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pidl = ILClone((LPITEMIDLIST) block);
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params->offset7C = pidl;
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block += hnfData->pidlSize80;
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}
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if (hnfData->pidlSize80)
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{
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if (!(params->offset84 & 0x8000))
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{
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params->offset80 = *(LPITEMIDLIST *) block;
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}
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else
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{
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LPITEMIDLIST pidl = NULL;
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if (*block)
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pidl = ILClone((LPITEMIDLIST) block);
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params->offset80 = pidl;
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}
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block += hnfData->pidlSize80;
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}
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if (hnfData->pathLength)
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{
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CComPtr<IShellFolder> psfDesktop;
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PWSTR strPath = (PWSTR) block;
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if (FAILED(SHGetDesktopFolder(&psfDesktop)))
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{
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params->directoryPIDL = NULL;
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goto cleanup0;
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}
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if (FAILED(psfDesktop->ParseDisplayName(NULL, NULL, strPath, NULL, ¶ms->directoryPIDL, NULL)))
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{
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params->directoryPIDL = NULL;
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goto cleanup0;
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}
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}
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cleanup2:
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SHUnlockShared(hnfData);
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SHFreeShared(hData, pid);
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cleanup0:
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if (!params->directoryPIDL)
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{
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SHDestroyIETHREADPARAM(params);
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return NULL;
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}
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return params;
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}
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static HRESULT ExplorerMessageLoop(IEThreadParamBlock * parameters)
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{
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HRESULT hResult;
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MSG Msg;
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BOOL Ret;
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// Tell the thread ref we are using it.
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if (parameters && parameters->pExplorerInstance)
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parameters->pExplorerInstance->AddRef();
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/* Handle /e parameter */
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UINT wFlags = 0;
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if (parameters->dwFlags & SH_EXPLORER_CMDLINE_FLAG_E)
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wFlags |= SBSP_EXPLOREMODE;
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/* Handle /select parameter */
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PUITEMID_CHILD pidlSelect = NULL;
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if ((parameters->dwFlags & SH_EXPLORER_CMDLINE_FLAG_SELECT) &&
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(ILGetNext(parameters->directoryPIDL) != NULL))
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{
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pidlSelect = ILClone(ILFindLastID(parameters->directoryPIDL));
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ILRemoveLastID(parameters->directoryPIDL);
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}
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CComPtr<IShellBrowser> psb;
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#if 0
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if (!(parameters->dwFlags & (SH_EXPLORER_CMDLINE_FLAG_E | SH_EXPLORER_CMDLINE_FLAG_NOREUSE)))
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{
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// TODO: IShellWindows::FindWindowSW(...) and reuse the existing IShellBrowser
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}
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#endif
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hResult = CShellBrowser_CreateInstance(IID_PPV_ARG(IShellBrowser, &psb));
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if (FAILED_UNEXPECTEDLY(hResult))
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return hResult;
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if (parameters->dwFlags & SH_EXPLORER_CMDLINE_FLAG_EMBED)
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{
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CComPtr<IBrowserService> pbs;
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if (SUCCEEDED(psb->QueryInterface(IID_PPV_ARG(IBrowserService, &pbs))))
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pbs->SetFlags(BSF_UISETBYAUTOMATION, BSF_UISETBYAUTOMATION);
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}
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hResult = psb->BrowseObject(parameters->directoryPIDL, wFlags);
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if (FAILED_UNEXPECTEDLY(hResult))
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return hResult;
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if (pidlSelect != NULL)
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{
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CComPtr<IShellView> shellView;
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hResult = psb->QueryActiveShellView(&shellView);
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if (SUCCEEDED(hResult))
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{
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shellView->SelectItem(pidlSelect, SVSI_SELECT | SVSI_FOCUSED | SVSI_ENSUREVISIBLE);
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}
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ILFree(pidlSelect);
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}
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CComPtr<IBrowserService2> browser;
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hResult = psb->QueryInterface(IID_PPV_ARG(IBrowserService2, &browser));
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if (FAILED_UNEXPECTEDLY(hResult))
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return hResult;
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psb.Release();
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while ((Ret = GetMessage(&Msg, NULL, 0, 0)) != 0)
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{
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if (Ret == -1)
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{
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// Error: continue or exit?
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break;
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}
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if (Msg.message == WM_QUIT)
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break;
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if (browser->v_MayTranslateAccelerator(&Msg) != S_OK)
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{
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TranslateMessage(&Msg);
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DispatchMessage(&Msg);
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}
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}
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ReleaseCComPtrExpectZero(browser);
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// Tell the thread ref we are not using it anymore.
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if (parameters && parameters->pExplorerInstance)
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parameters->pExplorerInstance->Release();
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return hResult;
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}
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static DWORD WINAPI BrowserThreadProc(LPVOID lpThreadParameter)
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{
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IEThreadParamBlock * parameters = (IEThreadParamBlock *) lpThreadParameter;
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OleInitialize(NULL);
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ExplorerMessageLoop(parameters);
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/* Destroying the parameters releases the thread reference */
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SHDestroyIETHREADPARAM(parameters);
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/* Wake up the proxy desktop thread so it can check whether the last browser thread exited */
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/* Use PostMessage in order to force GetMessage to return and check if all browser windows have exited */
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PostMessageW(FindShellProxy(NULL), WM_EXPLORER_1037, 0, 0);
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OleUninitialize();
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return 0;
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}
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/*************************************************************************
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* SHCreateIETHREADPARAM [BROWSEUI.123]
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*/
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extern "C" IEThreadParamBlock *WINAPI SHCreateIETHREADPARAM(
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long param8, long paramC, IUnknown *param10, IUnknown *param14)
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{
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IEThreadParamBlock *result;
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TRACE("SHCreateIETHREADPARAM\n");
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result = (IEThreadParamBlock *) LocalAlloc(LMEM_ZEROINIT, sizeof(*result));
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if (result == NULL)
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return NULL;
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result->offset0 = param8;
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result->offset8 = paramC;
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result->offsetC = param10;
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if (param10 != NULL)
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param10->AddRef();
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result->offset14 = param14;
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if (param14 != NULL)
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param14->AddRef();
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return result;
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}
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/*************************************************************************
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* SHCloneIETHREADPARAM [BROWSEUI.124]
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*/
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extern "C" IEThreadParamBlock *WINAPI SHCloneIETHREADPARAM(IEThreadParamBlock *param)
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{
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IEThreadParamBlock *result;
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TRACE("SHCloneIETHREADPARAM\n");
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result = (IEThreadParamBlock *) LocalAlloc(LMEM_FIXED, sizeof(*result));
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if (result == NULL)
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return NULL;
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*result = *param;
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if (result->directoryPIDL != NULL)
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result->directoryPIDL = ILClone(result->directoryPIDL);
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if (result->offset7C != NULL)
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result->offset7C = ILClone(result->offset7C);
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if (result->offset80 != NULL)
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result->offset80 = ILClone(result->offset80);
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if (result->offset70 != NULL)
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result->offset70->AddRef();
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#if 0
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if (result->offsetC != NULL)
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result->offsetC->Method2C();
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#endif
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return result;
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}
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/*************************************************************************
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* SHDestroyIETHREADPARAM [BROWSEUI.126]
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*/
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extern "C" void WINAPI SHDestroyIETHREADPARAM(IEThreadParamBlock *param)
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{
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TRACE("SHDestroyIETHREADPARAM\n");
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if (param == NULL)
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return;
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if (param->directoryPIDL != NULL)
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ILFree(param->directoryPIDL);
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if (param->offset7C != NULL)
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ILFree(param->offset7C);
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if ((param->dwFlags & 0x80000) == 0 && param->offset80 != NULL)
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ILFree(param->offset80);
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if (param->offset14 != NULL)
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param->offset14->Release();
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if (param->offset70 != NULL)
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param->offset70->Release();
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if (param->offset78 != NULL)
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param->offset78->Release();
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if (param->offsetC != NULL)
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param->offsetC->Release();
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if (param->pExplorerInstance != NULL)
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param->pExplorerInstance->Release();
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LocalFree(param);
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}
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/*************************************************************************
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* SHOnCWMCommandLine [BROWSEUI.127]
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*/
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extern "C" BOOL WINAPI SHOnCWMCommandLine(HANDLE hSharedInfo)
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{
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TRACE("SHOnCWMCommandLine\n");
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|
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PIE_THREAD_PARAM_BLOCK params = ParseSharedPacket(hSharedInfo);
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|
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if (params)
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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;
|
|
|
|
// Only try to convert the pidl when it is going to be printed
|
|
if (TRACE_ON(browseui))
|
|
{
|
|
WCHAR debugStr[MAX_PATH + 2] = { 0 };
|
|
if (!ILGetDisplayName(parameters->directoryPIDL, debugStr))
|
|
{
|
|
debugStr[0] = UNICODE_NULL;
|
|
}
|
|
TRACE("SHOpenFolderWindow %p(%S)\n", parameters->directoryPIDL, debugStr);
|
|
}
|
|
|
|
PIE_THREAD_PARAM_BLOCK paramsCopy = SHCloneIETHREADPARAM(parameters);
|
|
|
|
SHGetInstanceExplorer(&(paramsCopy->pExplorerInstance));
|
|
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(_In_ PEXPLORER_CMDLINE_PARSE_RESULTS 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->nCmdShow;
|
|
|
|
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;
|
|
}
|