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[SHELL32] Implement shell change notification (#2432)

Browse source 
- Rewrite SHChangeNotify, SHChangeNotifyRegister, SHChangeNotify_Lock, SHChangeNotify_Unlock and SHChangeNotifyDeregister functions.
- Fix SHSimpleIDListFromPathA/W functions.
CORE-13950
This commit is contained in:
Katayama Hirofumi MZ 2020-04-09 07:30:14 +09:00 committed by GitHub
parent ee3ee2a65f
commit 296192685b
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
9 changed files with 1033 additions and 378 deletions
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57
dll/win32/shell32/CDefView.cpp
View file

@ -778,12 +778,8 @@ int CDefView::LV_FindItemByPidl(PCUITEMID_CHILD pidl)
for (int i = 0; i<cItems; i++)
{
PCUITEMID_CHILD currentpidl = _PidlByItem(i);
HRESULT hr = m_pSFParent->CompareIDs(0, pidl, currentpidl);
if (SUCCEEDED(hr) && !HRESULT_CODE(hr))
{
if (ILIsEqual(pidl, currentpidl))
return i;
}
}
return -1;
}
@ -819,7 +815,7 @@ BOOLEAN CDefView::LV_DeleteItem(PCUITEMID_CHILD pidl)
nIndex = LV_FindItemByPidl(pidl);
return (-1 == m_ListView.DeleteItem(nIndex)) ? FALSE : TRUE;
return m_ListView.DeleteItem(nIndex);
}
/**********************************************************
@ -1129,7 +1125,6 @@ LRESULT CDefView::OnNCDestroy(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHa
LRESULT CDefView::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
CComPtr<IDropTarget> pdt;
SHChangeNotifyEntry ntreg;
CComPtr<IPersistFolder2> ppf2;
TRACE("%p\n", this);
@ -1145,9 +1140,6 @@ LRESULT CDefView::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandl
if (ppf2)
{
ppf2->GetCurFolder(&m_pidlParent);
ntreg.fRecursive = TRUE;
ntreg.pidl = m_pidlParent;
m_hNotify = SHChangeNotifyRegister(m_hWnd, SHCNRF_InterruptLevel | SHCNRF_ShellLevel, SHCNE_ALLEVENTS, SHV_CHANGE_NOTIFY, 1, &ntreg);
}
if (CreateList())
@ -1158,6 +1150,19 @@ LRESULT CDefView::OnCreate(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandl
}
}
if (m_FolderSettings.fFlags & FWF_DESKTOP)
{
HWND hwndSB;
m_pShellBrowser->GetWindow(&hwndSB);
SetShellWindowEx(hwndSB, m_ListView);
}
SHChangeNotifyEntry ntreg;
ntreg.fRecursive = TRUE;
ntreg.pidl = m_pidlParent;
m_hNotify = SHChangeNotifyRegister(m_hWnd, SHCNRF_NewDelivery | SHCNRF_ShellLevel,
SHCNE_ALLEVENTS, SHV_CHANGE_NOTIFY, 1, &ntreg);
/* _DoFolderViewCB(SFVM_GETNOTIFY, ?? ??) */
m_hAccel = LoadAcceleratorsW(shell32_hInstance, MAKEINTRESOURCEW(IDA_SHELLVIEW));
@ -2100,6 +2105,21 @@ static BOOL ILIsParentOrSpecialParent(PCIDLIST_ABSOLUTE pidl1, PCIDLIST_ABSOLUTE
}
ILFree(deskpidl);
}
WCHAR szPath1[MAX_PATH], szPath2[MAX_PATH];
LPITEMIDLIST pidl2Clone = ILClone(pidl2);
ILRemoveLastID(pidl2Clone);
if (SHGetPathFromIDListW(pidl1, szPath1) &&
SHGetPathFromIDListW(pidl2Clone, szPath2))
{
if (lstrcmpiW(szPath1, szPath2) == 0)
{
ILFree(pidl2Clone);
return TRUE;
}
}
ILFree(pidl2Clone);
return FALSE;
}
@ -2108,13 +2128,24 @@ static BOOL ILIsParentOrSpecialParent(PCIDLIST_ABSOLUTE pidl1, PCIDLIST_ABSOLUTE
*/
LRESULT CDefView::OnChangeNotify(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
PCIDLIST_ABSOLUTE *Pidls = reinterpret_cast<PCIDLIST_ABSOLUTE*>(wParam);
HANDLE hChange = (HANDLE)wParam;
DWORD dwProcID = (DWORD)lParam;
PIDLIST_ABSOLUTE *Pidls;
LONG lEvent;
HANDLE hLock = SHChangeNotification_Lock(hChange, dwProcID, &Pidls, &lEvent);
if (hLock == NULL)
{
ERR("hLock == NULL\n");
return FALSE;
}
BOOL bParent0 = ILIsParentOrSpecialParent(m_pidlParent, Pidls[0]);
BOOL bParent1 = ILIsParentOrSpecialParent(m_pidlParent, Pidls[1]);
TRACE("(%p)(%p,%p,0x%08x)\n", this, Pidls[0], Pidls[1], lParam);
switch (lParam &~ SHCNE_INTERRUPT)
lEvent &= ~SHCNE_INTERRUPT;
switch (lEvent)
{
case SHCNE_MKDIR:
case SHCNE_CREATE:
@ -2156,6 +2187,8 @@ LRESULT CDefView::OnChangeNotify(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &
Refresh();
break;
}
SHChangeNotification_Unlock(hLock);
return TRUE;
}

594
dll/win32/shell32/shelldesktop/CChangeNotify.cpp Normal file
View file

@ -0,0 +1,594 @@
/*
* PROJECT: shell32
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
* PURPOSE: Shell change notification
* COPYRIGHT: Copyright 2020 Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
*/
#include "shelldesktop.h"
#include "shlwapi_undoc.h"
#include <atlsimpcoll.h>
#include <assert.h>
WINE_DEFAULT_DEBUG_CHANNEL(shcn);
static HWND s_hwndNewWorker = NULL;
EXTERN_C void
DoNotifyFreeSpace(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
{
WCHAR path1[MAX_PATH], path2[MAX_PATH];
path1[0] = 0;
if (pidl1)
SHGetPathFromIDListW(pidl1, path1);
path2[0] = 0;
if (pidl2)
SHGetPathFromIDListW(pidl2, path2);
if (path1[0])
{
if (path2[0])
SHChangeNotify(SHCNE_FREESPACE, SHCNF_PATHW, path1, path2);
else
SHChangeNotify(SHCNE_FREESPACE, SHCNF_PATHW, path1, NULL);
}
else
{
SHChangeNotify(SHCNE_FREESPACE, SHCNF_PATHW, NULL, NULL);
}
}
EXTERN_C HWND
DoGetNewDeliveryWorker(void)
{
if (s_hwndNewWorker && IsWindow(s_hwndNewWorker))
return s_hwndNewWorker;
HWND hwndShell = GetShellWindow();
HWND hwndWorker = (HWND)SendMessageW(hwndShell, WM_GETDELIWORKERWND, 0, 0);
if (!IsWindow(hwndWorker))
{
ERR("Unable to get notification window\n");
hwndWorker = NULL;
}
s_hwndNewWorker = hwndWorker;
return hwndWorker;
}
static LRESULT CALLBACK
OldDeliveryWorkerWndProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
HANDLE hLock;
PIDLIST_ABSOLUTE *ppidl;
LONG lEvent;
LPOLDDELIVERYWORKER pWorker;
HANDLE hShared;
DWORD dwOwnerPID;
switch (uMsg)
{
case WM_OLDDELI_HANDOVER:
hShared = (HANDLE)wParam;
dwOwnerPID = (DWORD)lParam;
TRACE("WM_OLDDELI_HANDOVER: hwnd:%p, hShared:%p, pid:0x%lx\n",
hwnd, hShared, dwOwnerPID);
pWorker = (LPOLDDELIVERYWORKER)GetWindowLongPtrW(hwnd, 0);
if (!pWorker)
{
ERR("!pWorker\n");
break;
}
ppidl = NULL;
hLock = SHChangeNotification_Lock(hShared, dwOwnerPID, &ppidl, &lEvent);
if (!hLock)
{
ERR("!hLock\n");
break;
}
TRACE("OldDeliveryWorker notifying: %p, 0x%x, %p, 0x%lx\n",
pWorker->hwnd, pWorker->uMsg, ppidl, lEvent);
SendMessageW(pWorker->hwnd, pWorker->uMsg, (WPARAM)ppidl, lEvent);
SHChangeNotification_Unlock(hLock);
return TRUE;
case WM_NCDESTROY:
TRACE("WM_NCDESTROY\n");
pWorker = (LPOLDDELIVERYWORKER)GetWindowLongPtrW(hwnd, 0);
SetWindowLongW(hwnd, 0, 0);
delete pWorker;
break;
default:
return DefWindowProcW(hwnd, uMsg, wParam, lParam);
}
return 0;
}
EXTERN_C HWND
DoHireOldDeliveryWorker(HWND hwnd, UINT wMsg)
{
LPOLDDELIVERYWORKER pWorker;
HWND hwndOldWorker;
pWorker = new OLDDELIVERYWORKER;
if (!pWorker)
{
ERR("Out of memory\n");
return NULL;
}
pWorker->hwnd = hwnd;
pWorker->uMsg = wMsg;
hwndOldWorker = SHCreateWorkerWindowW(OldDeliveryWorkerWndProc, NULL, 0, 0,
NULL, (LONG_PTR)pWorker);
if (hwndOldWorker == NULL)
{
ERR("hwndOldWorker == NULL\n");
delete pWorker;
}
DWORD pid;
GetWindowThreadProcessId(hwndOldWorker, &pid);
TRACE("hwndOldWorker: %p, 0x%lx\n", hwndOldWorker, pid);
return hwndOldWorker;
}
EXTERN_C HANDLE
DoCreateNotifShare(ULONG nRegID, HWND hwnd, UINT wMsg, INT fSources, LONG fEvents,
LONG fRecursive, LPCITEMIDLIST pidl, DWORD dwOwnerPID,
HWND hwndOldWorker)
{
DWORD cbPidl = ILGetSize(pidl);
DWORD ibPidl = DWORD_ALIGNMENT(sizeof(NOTIFSHARE));
DWORD cbSize = ibPidl + cbPidl;
HANDLE hShared = SHAllocShared(NULL, cbSize, dwOwnerPID);
if (!hShared)
{
ERR("Out of memory\n");
return NULL;
}
LPNOTIFSHARE pShared = (LPNOTIFSHARE)SHLockSharedEx(hShared, dwOwnerPID, TRUE);
if (pShared == NULL)
{
ERR("SHLockSharedEx failed\n");
SHFreeShared(hShared, dwOwnerPID);
return NULL;
}
pShared->dwMagic = NOTIFSHARE_MAGIC;
pShared->cbSize = cbSize;
pShared->nRegID = nRegID;
pShared->hwnd = hwnd;
pShared->hwndOldWorker = hwndOldWorker;
pShared->uMsg = wMsg;
pShared->fSources = fSources;
pShared->fEvents = fEvents;
pShared->fRecursive = fRecursive;
pShared->ibPidl = 0;
if (pidl)
{
pShared->ibPidl = ibPidl;
memcpy((LPBYTE)pShared + ibPidl, pidl, cbPidl);
}
SHUnlockShared(pShared);
return hShared;
}
EXTERN_C HANDLE
DoCreateDeliTicket(LONG wEventId, UINT uFlags, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2,
DWORD dwOwnerPID, DWORD dwTick)
{
LPDELITICKET pTicket;
HANDLE hTicket = NULL;
DWORD cbPidl1 = 0, cbPidl2 = 0, ibOffset1 = 0, ibOffset2 = 0, cbSize;
if (pidl1)
{
cbPidl1 = ILGetSize(pidl1);
ibOffset1 = DWORD_ALIGNMENT(sizeof(DELITICKET));
}
if (pidl2)
{
cbPidl2 = ILGetSize(pidl2);
ibOffset2 = DWORD_ALIGNMENT(ibOffset1 + cbPidl1);
}
cbSize = ibOffset2 + cbPidl2;
hTicket = SHAllocShared(NULL, cbSize, dwOwnerPID);
if (hTicket == NULL)
{
ERR("Out of memory\n");
return NULL;
}
pTicket = (LPDELITICKET)SHLockSharedEx(hTicket, dwOwnerPID, TRUE);
if (pTicket == NULL)
{
ERR("SHLockSharedEx failed\n");
SHFreeShared(hTicket, dwOwnerPID);
return NULL;
}
pTicket->dwMagic = DELITICKET_MAGIC;
pTicket->wEventId = wEventId;
pTicket->uFlags = uFlags;
pTicket->ibOffset1 = ibOffset1;
pTicket->ibOffset2 = ibOffset2;
if (pidl1)
memcpy((LPBYTE)pTicket + ibOffset1, pidl1, cbPidl1);
if (pidl2)
memcpy((LPBYTE)pTicket + ibOffset2, pidl2, cbPidl2);
SHUnlockShared(pTicket);
return hTicket;
}
EXTERN_C LPHANDBAG
DoGetHandbagFromTicket(HANDLE hTicket, DWORD dwOwnerPID)
{
LPDELITICKET pTicket = (LPDELITICKET)SHLockSharedEx(hTicket, dwOwnerPID, FALSE);
if (!pTicket || pTicket->dwMagic != DELITICKET_MAGIC)
{
ERR("pTicket is invalid\n");
return NULL;
}
LPHANDBAG pHandbag = (LPHANDBAG)LocalAlloc(LMEM_FIXED, sizeof(HANDBAG));
if (pHandbag == NULL)
{
ERR("Out of memory\n");
SHUnlockShared(pTicket);
return NULL;
}
pHandbag->dwMagic = HANDBAG_MAGIC;
pHandbag->pTicket = pTicket;
pHandbag->pidls[0] = pHandbag->pidls[1] = NULL;
if (pTicket->ibOffset1)
pHandbag->pidls[0] = (LPITEMIDLIST)((LPBYTE)pTicket + pTicket->ibOffset1);
if (pTicket->ibOffset2)
pHandbag->pidls[1] = (LPITEMIDLIST)((LPBYTE)pTicket + pTicket->ibOffset2);
return pHandbag;
}
EXTERN_C void
DoTransportChange(LONG wEventId, UINT uFlags, LPITEMIDLIST pidl1, LPITEMIDLIST pidl2,
DWORD dwTick)
{
HWND hwndNotif = DoGetNewDeliveryWorker();
if (!hwndNotif)
return;
DWORD pid;
GetWindowThreadProcessId(hwndNotif, &pid);
HANDLE hTicket = DoCreateDeliTicket(wEventId, uFlags, pidl1, pidl2, pid, dwTick);
if (hTicket)
{
TRACE("hTicket: %p, 0x%lx\n", hTicket, pid);
if ((uFlags & (SHCNF_FLUSH | SHCNF_FLUSHNOWAIT)) == SHCNF_FLUSH)
SendMessageW(hwndNotif, WM_NOTIF_DELIVERY, (WPARAM)hTicket, pid);
else
SendNotifyMessageW(hwndNotif, WM_NOTIF_DELIVERY, (WPARAM)hTicket, pid);
}
}
/*static*/ LRESULT CALLBACK
CWorker::WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
CWorker *pThis = (CWorker *)GetWindowLongPtrW(hwnd, 0);
if (pThis)
{
LRESULT lResult = 0;
pThis->ProcessWindowMessage(hwnd, uMsg, wParam, lParam, lResult, 0);
return lResult;
}
return 0;
}
BOOL CWorker::CreateWorker(HWND hwndParent, DWORD dwExStyle, DWORD dwStyle)
{
assert(m_hWnd == NULL);
m_hWnd = SHCreateWorkerWindowW(WindowProc, hwndParent, dwExStyle, dwStyle,
NULL, (LONG_PTR)this);
return m_hWnd != NULL;
}
struct CChangeNotifyImpl
{
typedef CChangeNotify::ITEM ITEM;
CSimpleArray<ITEM> m_items;
BOOL AddItem(UINT nRegID, DWORD dwUserPID, HANDLE hShare, HWND hwndOldWorker)
{
for (INT i = 0; i < m_items.GetSize(); ++i)
{
if (m_items[i].nRegID == INVALID_REG_ID)
{
m_items[i].nRegID = nRegID;
m_items[i].dwUserPID = dwUserPID;
m_items[i].hShare = hShare;
m_items[i].hwndOldWorker = hwndOldWorker;
return TRUE;
}
}
ITEM item = { nRegID, dwUserPID, hShare, hwndOldWorker };
m_items.Add(item);
return TRUE;
}
void DestroyItem(ITEM& item, DWORD dwOwnerPID, HWND *phwndOldWorker)
{
if (item.hwndOldWorker && item.hwndOldWorker != *phwndOldWorker)
{
DestroyWindow(item.hwndOldWorker);
*phwndOldWorker = item.hwndOldWorker;
}
SHFreeShared(item.hShare, dwOwnerPID);
item.nRegID = INVALID_REG_ID;
item.dwUserPID = 0;
item.hShare = NULL;
item.hwndOldWorker = NULL;
}
BOOL RemoveItem(UINT nRegID, DWORD dwOwnerPID)
{
BOOL bFound = FALSE;
HWND hwndOldWorker = NULL;
for (INT i = 0; i < m_items.GetSize(); ++i)
{
if (m_items[i].nRegID == nRegID)
{
bFound = TRUE;
DestroyItem(m_items[i], dwOwnerPID, &hwndOldWorker);
}
}
return bFound;
}
void RemoveItemsByProcess(DWORD dwOwnerPID, DWORD dwUserPID)
{
HWND hwndOldWorker = NULL;
for (INT i = 0; i < m_items.GetSize(); ++i)
{
if (m_items[i].dwUserPID == dwUserPID)
{
DestroyItem(m_items[i], dwOwnerPID, &hwndOldWorker);
}
}
}
};
CChangeNotify::CChangeNotify()
: m_nNextRegID(INVALID_REG_ID)
, m_pimpl(new CChangeNotifyImpl)
{
}
CChangeNotify::~CChangeNotify()
{
delete m_pimpl;
}
BOOL CChangeNotify::AddItem(UINT nRegID, DWORD dwUserPID, HANDLE hShare, HWND hwndOldWorker)
{
return m_pimpl->AddItem(nRegID, dwUserPID, hShare, hwndOldWorker);
}
BOOL CChangeNotify::RemoveItem(UINT nRegID, DWORD dwOwnerPID)
{
return m_pimpl->RemoveItem(nRegID, dwOwnerPID);
}
void CChangeNotify::RemoveItemsByProcess(DWORD dwOwnerPID, DWORD dwUserPID)
{
m_pimpl->RemoveItemsByProcess(dwOwnerPID, dwUserPID);
}
LRESULT CChangeNotify::OnReg(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
TRACE("OnReg(%p, %u, %p, %p)\n", m_hWnd, uMsg, wParam, lParam);
HANDLE hShared = (HANDLE)wParam;
DWORD dwOwnerPID = (DWORD)lParam;
LPNOTIFSHARE pShared = (LPNOTIFSHARE)SHLockSharedEx(hShared, dwOwnerPID, TRUE);
if (!pShared || pShared->dwMagic != NOTIFSHARE_MAGIC)
{
ERR("pShared is invalid\n");
return FALSE;
}
if (pShared->nRegID == INVALID_REG_ID)
pShared->nRegID = GetNextRegID();
TRACE("pShared->nRegID: %u\n", pShared->nRegID);
DWORD dwUserPID;
GetWindowThreadProcessId(pShared->hwnd, &dwUserPID);
HWND hwndOldWorker = pShared->hwndOldWorker;
HANDLE hNewShared = SHAllocShared(pShared, pShared->cbSize, dwOwnerPID);
if (!hNewShared)
{
ERR("Out of memory\n");
pShared->nRegID = INVALID_REG_ID;
SHUnlockShared(pShared);
return FALSE;
}
SHUnlockShared(pShared);
return AddItem(m_nNextRegID, dwUserPID, hNewShared, hwndOldWorker);
}
LRESULT CChangeNotify::OnUnReg(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
TRACE("OnUnReg(%p, %u, %p, %p)\n", m_hWnd, uMsg, wParam, lParam);
UINT nRegID = (UINT)wParam;
if (nRegID == INVALID_REG_ID)
{
ERR("INVALID_REG_ID\n");
return FALSE;
}
DWORD dwOwnerPID;
GetWindowThreadProcessId(m_hWnd, &dwOwnerPID);
return RemoveItem(nRegID, dwOwnerPID);
}
LRESULT CChangeNotify::OnDelivery(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
TRACE("OnDelivery(%p, %u, %p, %p)\n", m_hWnd, uMsg, wParam, lParam);
HANDLE hTicket = (HANDLE)wParam;
DWORD dwOwnerPID = (DWORD)lParam;
BOOL ret = FALSE;
LPHANDBAG pHandbag = DoGetHandbagFromTicket(hTicket, dwOwnerPID);
if (pHandbag && pHandbag->dwMagic == HANDBAG_MAGIC)
{
LPDELITICKET pTicket = pHandbag->pTicket;
if (pTicket && pTicket->dwMagic == DELITICKET_MAGIC)
{
ret = DoDelivery(hTicket, dwOwnerPID);
}
}
SHChangeNotification_Unlock(pHandbag);
SHFreeShared(hTicket, dwOwnerPID);
return ret;
}
LRESULT CChangeNotify::OnSuspendResume(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
TRACE("OnSuspendResume\n");
// FIXME
return FALSE;
}
LRESULT CChangeNotify::OnRemoveByPID(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled)
{
DWORD dwOwnerPID, dwUserPID = (DWORD)wParam;
GetWindowThreadProcessId(m_hWnd, &dwOwnerPID);
RemoveItemsByProcess(dwOwnerPID, dwUserPID);
return 0;
}
UINT CChangeNotify::GetNextRegID()
{
m_nNextRegID++;
if (m_nNextRegID == INVALID_REG_ID)
m_nNextRegID++;
return m_nNextRegID;
}
BOOL CChangeNotify::DoDelivery(HANDLE hTicket, DWORD dwOwnerPID)
{
TRACE("DoDelivery(%p, %p, 0x%lx)\n", m_hWnd, hTicket, dwOwnerPID);
for (INT i = 0; i < m_pimpl->m_items.GetSize(); ++i)
{
HANDLE hShare = m_pimpl->m_items[i].hShare;
if (!m_pimpl->m_items[i].nRegID || !hShare)
continue;
LPNOTIFSHARE pShared = (LPNOTIFSHARE)SHLockSharedEx(hShare, dwOwnerPID, FALSE);
if (!pShared || pShared->dwMagic != NOTIFSHARE_MAGIC)
{
ERR("pShared is invalid\n");
continue;
}
LPDELITICKET pTicket = (LPDELITICKET)SHLockSharedEx(hTicket, dwOwnerPID, FALSE);
if (!pTicket || pTicket->dwMagic != DELITICKET_MAGIC)
{
ERR("pTicket is invalid\n");
SHUnlockShared(pShared);
continue;
}
BOOL bNotify = ShouldNotify(pTicket, pShared);
SHUnlockShared(pTicket);
if (bNotify)
{
TRACE("Notifying: %p, 0x%x, %p, %lu\n",
pShared->hwnd, pShared->uMsg, hTicket, dwOwnerPID);
SendMessageW(pShared->hwnd, pShared->uMsg, (WPARAM)hTicket, dwOwnerPID);
}
SHUnlockShared(pShared);
}
return TRUE;
}
BOOL CChangeNotify::ShouldNotify(LPDELITICKET pTicket, LPNOTIFSHARE pShared)
{
BOOL ret = FALSE;
LPITEMIDLIST pidl = NULL, pidl1 = NULL, pidl2 = NULL;
WCHAR szPath[MAX_PATH], szPath1[MAX_PATH], szPath2[MAX_PATH];
INT cch, cch1, cch2;
szPath[0] = szPath1[0] = szPath2[0] = 0;
if (pShared->ibPidl)
{
pidl = (LPITEMIDLIST)((LPBYTE)pShared + pShared->ibPidl);
SHGetPathFromIDListW(pidl, szPath);
PathAddBackslashW(szPath);
}
if (pTicket->ibOffset1)
{
pidl1 = (LPITEMIDLIST)((LPBYTE)pTicket + pTicket->ibOffset1);
if (ILIsEqual(pidl, pidl1))
ret = TRUE;
SHGetPathFromIDListW(pidl1, szPath1);
PathAddBackslashW(szPath1);
}
if (pTicket->ibOffset2)
{
pidl2 = (LPITEMIDLIST)((LPBYTE)pTicket + pTicket->ibOffset2);
if (ILIsEqual(pidl, pidl2))
ret = TRUE;
SHGetPathFromIDListW(pidl2, szPath2);
PathAddBackslashW(szPath2);
}
if (pShared->fRecursive)
{
if (szPath1[0] == 0)
ret = TRUE;
cch = lstrlenW(szPath);
cch1 = lstrlenW(szPath1);
cch2 = lstrlenW(szPath2);
if (cch < cch1)
{
szPath1[cch] = 0;
if (lstrcmpiW(szPath, szPath1) == 0)
ret = TRUE;
}
if (cch < cch2)
{
szPath2[cch] = 0;
if (lstrcmpiW(szPath, szPath2) == 0)
ret = TRUE;
}
}
return ret;
}

151
dll/win32/shell32/shelldesktop/CChangeNotify.h Normal file
View file

@ -0,0 +1,151 @@
/*
* PROJECT: shell32
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
* PURPOSE: Shell change notification
* COPYRIGHT: Copyright 2020 Katayama Hirofumi MZ (katayama.hirofumi.mz@gmail.com)
*/
#pragma once
#define INVALID_REG_ID 0
#define WM_GETDELIWORKERWND (WM_USER + 25) /* 0x419 */
#define WM_OLDDELI_HANDOVER (WM_USER + 1) /* 0x401 */
#define WM_NOTIF_REG (WM_USER + 1) /* 0x401 */
#define WM_NOTIF_UNREG (WM_USER + 2) /* 0x402 */
#define WM_NOTIF_DELIVERY (WM_USER + 3) /* 0x403 */
#define WM_NOTIF_SUSPEND (WM_USER + 6) /* 0x406 */
#define WM_NOTIF_REMOVEBYPID (WM_USER + 7) /* 0x407 */
#define DWORD_ALIGNMENT(offset) \
((((offset) + sizeof(DWORD) - 1) / sizeof(DWORD)) * sizeof(DWORD))
typedef struct OLDDELIVERYWORKER
{
HWND hwnd;
UINT uMsg;
} OLDDELIVERYWORKER, *LPOLDDELIVERYWORKER;
typedef struct DELITICKET
{
DWORD dwMagic;
LONG wEventId;
UINT uFlags;
DWORD dwTick;
DWORD ibOffset1; /* offset to pidl1 */
DWORD ibOffset2; /* offset to pidl2 */
} DELITICKET, *LPDELITICKET;
typedef struct NOTIFSHARE
{
DWORD dwMagic;
DWORD cbSize;
UINT nRegID;
HWND hwnd;
HWND hwndOldWorker;
UINT uMsg;
INT fSources;
LONG fEvents;
BOOL fRecursive;
UINT ibPidl;
} NOTIFSHARE, *LPNOTIFSHARE;
typedef struct HANDBAG
{
DWORD dwMagic;
LPITEMIDLIST pidls[2];
LPDELITICKET pTicket;
} HANDBAG, *LPHANDBAG;
#define DELITICKET_MAGIC 0xDEADFACE
#define NOTIFSHARE_MAGIC 0xB0B32D1E
#define HANDBAG_MAGIC 0xFACEB00C
EXTERN_C HWND DoGetNewDeliveryWorker(void);
EXTERN_C void DoNotifyFreeSpace(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2);
EXTERN_C HWND DoHireOldDeliveryWorker(HWND hwnd, UINT wMsg);
EXTERN_C LPHANDBAG DoGetHandbagFromTicket(HANDLE hTicket, DWORD dwOwnerPID);
EXTERN_C HANDLE
DoCreateNotifShare(ULONG nRegID, HWND hwnd, UINT wMsg, INT fSources,
LONG fEvents, LONG fRecursive, LPCITEMIDLIST pidl,
DWORD dwOwnerPID, HWND hwndOldWorker);
EXTERN_C HANDLE
DoCreateDeliTicket(LONG wEventId, UINT uFlags, LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2,
DWORD dwOwnerPID, DWORD dwTick);
EXTERN_C void
DoTransportChange(LONG wEventId, UINT uFlags, LPITEMIDLIST pidl1, LPITEMIDLIST pidl2,
DWORD dwTick);
#ifdef __cplusplus
class CWorker : public CMessageMap
{
public:
CWorker() : m_hWnd(NULL)
{
}
virtual ~CWorker()
{
}
static LRESULT CALLBACK
WindowProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
BOOL CreateWorker(HWND hwndParent, DWORD dwExStyle, DWORD dwStyle);
protected:
HWND m_hWnd;
};
struct CChangeNotifyImpl;
class CChangeNotify : public CWorker
{
public:
struct ITEM
{
UINT nRegID;
DWORD dwUserPID;
HANDLE hShare;
HWND hwndOldWorker;
};
CChangeNotify();
virtual ~CChangeNotify();
operator HWND()
{
return m_hWnd;
}
BOOL AddItem(UINT nRegID, DWORD dwUserPID, HANDLE hShare, HWND hwndOldWorker);
BOOL RemoveItem(UINT nRegID, DWORD dwOwnerPID);
void RemoveItemsByProcess(DWORD dwOwnerPID, DWORD dwUserPID);
UINT GetNextRegID();
BOOL DoDelivery(HANDLE hTicket, DWORD dwOwnerPID);
BOOL ShouldNotify(LPDELITICKET pTicket, LPNOTIFSHARE pShared);
BOOL DoNotify(LPHANDBAG pHandbag, LPDELITICKET pTicket, LPNOTIFSHARE pShared);
LRESULT OnReg(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnUnReg(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnDelivery(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnSuspendResume(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
LRESULT OnRemoveByPID(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL& bHandled);
BEGIN_MSG_MAP(CChangeNotify)
MESSAGE_HANDLER(WM_NOTIF_REG, OnReg)
MESSAGE_HANDLER(WM_NOTIF_UNREG, OnUnReg)
MESSAGE_HANDLER(WM_NOTIF_DELIVERY, OnDelivery)
MESSAGE_HANDLER(WM_NOTIF_SUSPEND, OnSuspendResume)
MESSAGE_HANDLER(WM_NOTIF_REMOVEBYPID, OnRemoveByPID);
END_MSG_MAP()
protected:
UINT m_nNextRegID;
CChangeNotifyImpl *m_pimpl;
};
#endif

18
dll/win32/shell32/shelldesktop/CDesktopBrowser.cpp
View file

@ -2,6 +2,7 @@
* Shell Desktop
*
* Copyright 2008 Thomas Bluemel
* Copyright 2020 Katayama Hirofumi MZ
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@ -25,8 +26,6 @@
#include <atlcoll.h>
#endif
WINE_DEFAULT_DEBUG_CHANNEL(desktop);
static const WCHAR szProgmanClassName[] = L"Progman";
@ -41,6 +40,7 @@ class CDesktopBrowser :
private:
HACCEL m_hAccel;
HWND m_hWndShellView;
CChangeNotify m_hwndDeliWorker;
CComPtr<IShellDesktopTray> m_Tray;
CComPtr<IShellView> m_ShellView;
@ -82,6 +82,7 @@ public:
LRESULT OnOpenNewWindow(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnSetFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
LRESULT OnGetDeliveryWorkerWnd(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled);
DECLARE_WND_CLASS_EX(szProgmanClassName, CS_DBLCLKS, COLOR_DESKTOP)
@ -94,6 +95,7 @@ BEGIN_MSG_MAP(CBaseBar)
MESSAGE_HANDLER(WM_EXPLORER_OPEN_NEW_WINDOW, OnOpenNewWindow)
MESSAGE_HANDLER(WM_COMMAND, OnCommand)
MESSAGE_HANDLER(WM_SETFOCUS, OnSetFocus)
MESSAGE_HANDLER(WM_GETDELIWORKERWND, OnGetDeliveryWorkerWnd)
END_MSG_MAP()
BEGIN_COM_MAP(CDesktopBrowser)
@ -217,7 +219,6 @@ HRESULT CDesktopBrowser::Initialize(IShellDesktopTray *ShellDesk)
_Resize();
HWND hwndListView = FindWindowExW(m_hWndShellView, NULL, WC_LISTVIEW, NULL);
SetShellWindowEx(m_hWnd, hwndListView);
m_hAccel = LoadAcceleratorsW(shell32_hInstance, MAKEINTRESOURCEW(IDA_DESKBROWSER));
@ -429,6 +430,17 @@ LRESULT CDesktopBrowser::OnSetFocus(UINT uMsg, WPARAM wParam, LPARAM lParam, BOO
return 0;
}
LRESULT CDesktopBrowser::OnGetDeliveryWorkerWnd(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandled)
{
if (!::IsWindow(m_hwndDeliWorker))
{
DWORD exstyle = WS_EX_TOOLWINDOW;
DWORD style = WS_POPUP | WS_CLIPSIBLINGS | WS_CLIPCHILDREN;
m_hwndDeliWorker.CreateWorker(NULL, exstyle, style);
}
return (LRESULT)(HWND)m_hwndDeliWorker;
}
HRESULT CDesktopBrowser_CreateInstance(IShellDesktopTray *Tray, REFIID riid, void **ppv)
{
return ShellObjectCreatorInit<CDesktopBrowser, IShellDesktopTray*>(Tray, riid, ppv);

1
dll/win32/shell32/shelldesktop/CMakeLists.txt
View file

@ -10,6 +10,7 @@ add_definitions(
include_directories(${REACTOS_SOURCE_DIR}/sdk/lib/atl)
list(APPEND SOURCE
CChangeNotify.cpp
CDesktopBrowser.cpp
dde.cpp)

1
dll/win32/shell32/shelldesktop/shelldesktop.h
View file

@ -29,6 +29,7 @@
#include <undocuser.h>
#include <shellutils.h>
#include "CChangeNotify.h"
#include "../shresdef.h"
#include <wine/debug.h>

574
dll/win32/shell32/wine/changenotify.c
View file

@ -39,6 +39,10 @@
#include "pidl.h"
WINE_DEFAULT_DEBUG_CHANNEL(shell);
#ifdef __REACTOS__
#include "../shelldesktop/CChangeNotify.h"
DWORD WINAPI SHAnsiToUnicode(LPCSTR lpSrcStr, LPWSTR lpDstStr, int iLen);
#endif
static CRITICAL_SECTION SHELL32_ChangenotifyCS;
static CRITICAL_SECTION_DEBUG critsect_debug =
@ -49,20 +53,7 @@ static CRITICAL_SECTION_DEBUG critsect_debug =
};
static CRITICAL_SECTION SHELL32_ChangenotifyCS = { &critsect_debug, -1, 0, 0, 0, 0 };
#ifdef __REACTOS__
typedef struct {
PCIDLIST_ABSOLUTE pidl;
BOOL fRecursive;
/* File system notification items */
HANDLE hDirectory; /* Directory handle */
WCHAR wstrDirectory[MAX_PATH]; /* Directory name */
OVERLAPPED overlapped; /* Overlapped structure */
BYTE *buffer; /* Async buffer to fill */
BYTE *backBuffer; /* Back buffer to swap buffer into */
} SHChangeNotifyEntryInternal, *LPNOTIFYREGISTER;
#else
typedef SHChangeNotifyEntry *LPNOTIFYREGISTER;
#endif
/* internal list of notification clients (internal) */
typedef struct _NOTIFICATIONLIST
@ -77,24 +68,10 @@ typedef struct _NOTIFICATIONLIST
ULONG id;
} NOTIFICATIONLIST, *LPNOTIFICATIONLIST;
#ifdef __REACTOS__
VOID _ProcessNotification(LPNOTIFYREGISTER item);
BOOL _OpenDirectory(LPNOTIFYREGISTER item);
static void CALLBACK _RequestTermination(ULONG_PTR arg);
static void CALLBACK _RequestAllTermination(ULONG_PTR arg);
static void CALLBACK _AddDirectoryProc(ULONG_PTR arg);
static VOID _BeginRead(LPNOTIFYREGISTER item);
static unsigned int WINAPI _RunAsyncThreadProc(LPVOID arg);
#endif
#ifndef __REACTOS__
static struct list notifications = LIST_INIT( notifications );
static LONG next_id;
#ifdef __REACTOS__
HANDLE m_hThread;
UINT m_dwThreadId;
BOOL m_bTerminate;
#endif
#endif /* ndef __REACTOS__ */
#define SHCNE_NOITEMEVENTS ( \
SHCNE_ASSOCCHANGED )
@ -142,6 +119,7 @@ static const char * DumpEvent( LONG event )
#undef DUMPEV
}
#ifndef __REACTOS__
static const char * NodeName(const NOTIFICATIONLIST *item)
{
const char *str;
@ -165,30 +143,24 @@ static void DeleteNode(LPNOTIFICATIONLIST item)
/* free the item */
for (i=0; i<item->cidl; i++)
#ifdef __REACTOS__
{
QueueUserAPC(_RequestTermination, m_hThread, (ULONG_PTR) &item->apidl[i] );
WaitForSingleObjectEx(m_hThread, 100, FALSE);
#endif
SHFree((LPITEMIDLIST)item->apidl[i].pidl);
#ifdef __REACTOS__
SHFree(item->apidl[i].buffer);
SHFree(item->apidl[i].backBuffer);
}
#endif
SHFree(item->apidl);
SHFree(item);
}
#endif /* ndef __REACTOS__ */
void InitChangeNotifications(void)
{
#ifdef __REACTOS__
m_hThread = NULL;
#endif
}
void FreeChangeNotifications(void)
{
#ifdef __REACTOS__
HWND hwndWorker;
hwndWorker = DoGetNewDeliveryWorker();
SendMessageW(hwndWorker, WM_NOTIF_REMOVEBYPID, GetCurrentProcessId(), 0);
DeleteCriticalSection(&SHELL32_ChangenotifyCS);
#else
LPNOTIFICATIONLIST ptr, next;
TRACE("\n");
@ -200,11 +172,8 @@ void FreeChangeNotifications(void)
LeaveCriticalSection(&SHELL32_ChangenotifyCS);
#ifdef __REACTOS__
QueueUserAPC(_RequestAllTermination, m_hThread, (ULONG_PTR) NULL );
#endif
DeleteCriticalSection(&SHELL32_ChangenotifyCS);
#endif
}
/*************************************************************************
@ -220,6 +189,72 @@ SHChangeNotifyRegister(
int cItems,
SHChangeNotifyEntry *lpItems)
{
#ifdef __REACTOS__
HWND hwndNotif, hwndOldWorker = NULL;
HANDLE hShared;
INT iItem;
ULONG nRegID = INVALID_REG_ID;
DWORD dwOwnerPID;
LPNOTIFSHARE pShare;
TRACE("(%p,0x%08x,0x%08x,0x%08x,%d,%p)\n",
hwnd, fSources, wEventMask, uMsg, cItems, lpItems);
if (wEventMask == 0 || cItems <= 0 || cItems > 0x7FFF || lpItems == NULL ||
!hwnd || !IsWindow(hwnd))
{
return INVALID_REG_ID;
}
hwndNotif = DoGetNewDeliveryWorker();
if (hwndNotif == NULL)
return INVALID_REG_ID;
if ((fSources & SHCNRF_NewDelivery) == 0)
{
hwndOldWorker = hwnd = DoHireOldDeliveryWorker(hwnd, uMsg);
uMsg = WM_OLDDELI_HANDOVER;
}
if ((fSources & SHCNRF_RecursiveInterrupt) != 0 &&
(fSources & SHCNRF_InterruptLevel) == 0)
{
fSources &= ~SHCNRF_NewDelivery;
}
GetWindowThreadProcessId(hwndNotif, &dwOwnerPID);
EnterCriticalSection(&SHELL32_ChangenotifyCS);
for (iItem = 0; iItem < cItems; ++iItem)
{
hShared = DoCreateNotifShare(nRegID, hwnd, uMsg, fSources, wEventMask,
lpItems[iItem].fRecursive, lpItems[iItem].pidl,
dwOwnerPID, hwndOldWorker);
if (hShared)
{
TRACE("WM_NOTIF_REG: hwnd:%p, hShared:%p, pid:0x%lx\n", hwndNotif, hShared, dwOwnerPID);
SendMessageW(hwndNotif, WM_NOTIF_REG, (WPARAM)hShared, dwOwnerPID);
pShare = (LPNOTIFSHARE)SHLockSharedEx(hShared, dwOwnerPID, FALSE);
if (pShare)
{
nRegID = pShare->nRegID;
SHUnlockShared(pShare);
}
SHFreeShared(hShared, dwOwnerPID);
}
if (nRegID == INVALID_REG_ID && (fSources & SHCNRF_NewDelivery) == 0)
{
ERR("Old Delivery is failed\n");
DestroyWindow(hwnd);
LeaveCriticalSection(&SHELL32_ChangenotifyCS);
return INVALID_REG_ID;
}
}
LeaveCriticalSection(&SHELL32_ChangenotifyCS);
return nRegID;
#else
LPNOTIFICATIONLIST item;
int i;
@ -228,37 +263,12 @@ SHChangeNotifyRegister(
TRACE("(%p,0x%08x,0x%08x,0x%08x,%d,%p) item=%p\n",
hwnd, fSources, wEventMask, uMsg, cItems, lpItems, item);
#ifdef __REACTOS__
if (!m_hThread)
m_hThread = (HANDLE) _beginthreadex(NULL, 0, _RunAsyncThreadProc, NULL, 0, &m_dwThreadId);
#endif
item->cidl = cItems;
#ifdef __REACTOS__
item->apidl = SHAlloc(sizeof(SHChangeNotifyEntryInternal) * cItems);
#else
item->apidl = SHAlloc(sizeof(SHChangeNotifyEntry) * cItems);
#endif
for(i=0;i<cItems;i++)
{
#ifdef __REACTOS__
ZeroMemory(&item->apidl[i], sizeof(SHChangeNotifyEntryInternal));
#endif
item->apidl[i].pidl = ILClone(lpItems[i].pidl);
item->apidl[i].fRecursive = lpItems[i].fRecursive;
#ifdef __REACTOS__
item->apidl[i].buffer = SHAlloc(BUFFER_SIZE);
item->apidl[i].backBuffer = SHAlloc(BUFFER_SIZE);
item->apidl[i].overlapped.hEvent = &item->apidl[i];
if (fSources & SHCNRF_InterruptLevel)
{
if (_OpenDirectory( &item->apidl[i] ))
{
QueueUserAPC( _AddDirectoryProc, m_hThread, (ULONG_PTR) &item->apidl[i] );
}
}
#endif
}
item->hwnd = hwnd;
item->uMsg = uMsg;
@ -275,6 +285,7 @@ SHChangeNotifyRegister(
LeaveCriticalSection(&SHELL32_ChangenotifyCS);
return item->id;
#endif
}
/*************************************************************************
@ -282,6 +293,22 @@ SHChangeNotifyRegister(
*/
BOOL WINAPI SHChangeNotifyDeregister(ULONG hNotify)
{
#ifdef __REACTOS__
HWND hwndNotif;
LRESULT ret = 0;
TRACE("(0x%08x)\n", hNotify);
hwndNotif = DoGetNewDeliveryWorker();
if (hwndNotif)
{
ret = SendMessageW(hwndNotif, WM_NOTIF_UNREG, hNotify, 0);
if (!ret)
{
ERR("WM_NOTIF_UNREG failed\n");
}
}
return ret;
#else
LPNOTIFICATIONLIST node;
TRACE("(0x%08x)\n", hNotify);
@ -299,6 +326,7 @@ BOOL WINAPI SHChangeNotifyDeregister(ULONG hNotify)
}
LeaveCriticalSection(&SHELL32_ChangenotifyCS);
return FALSE;
#endif
}
/*************************************************************************
@ -322,6 +350,7 @@ struct new_delivery_notification
BYTE data[1];
};
#ifndef __REACTOS__
static BOOL should_notify( LPCITEMIDLIST changed, LPCITEMIDLIST watched, BOOL sub )
{
TRACE("%p %p %d\n", changed, watched, sub );
@ -333,12 +362,87 @@ static BOOL should_notify( LPCITEMIDLIST changed, LPCITEMIDLIST watched, BOOL su
return TRUE;
return FALSE;
}
#endif
/*************************************************************************
* SHChangeNotify [SHELL32.@]
*/
void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID dwItem2)
{
#ifdef __REACTOS__
LPITEMIDLIST pidl1 = NULL, pidl2 = NULL, pidlTemp1 = NULL, pidlTemp2 = NULL;
DWORD dwTick = GetTickCount();
WCHAR szPath1[MAX_PATH], szPath2[MAX_PATH];
LPWSTR psz1, psz2;
TRACE("(0x%08x,0x%08x,%p,%p)\n", wEventId, uFlags, dwItem1, dwItem2);
switch (uFlags & SHCNF_TYPE)
{
case SHCNF_IDLIST:
if (wEventId == SHCNE_FREESPACE)
{
DoNotifyFreeSpace(dwItem1, dwItem2);
goto Quit;
}
pidl1 = (LPITEMIDLIST)dwItem1;
pidl2 = (LPITEMIDLIST)dwItem2;
break;
case SHCNF_PATHA:
psz1 = psz2 = NULL;
if (dwItem1)
{
SHAnsiToUnicode(dwItem1, szPath1, ARRAYSIZE(szPath1));
psz1 = szPath1;
}
if (dwItem2)
{
SHAnsiToUnicode(dwItem2, szPath2, ARRAYSIZE(szPath2));
psz2 = szPath2;
}
uFlags &= ~SHCNF_TYPE;
uFlags |= SHCNF_PATHW;
SHChangeNotify(wEventId, uFlags, psz1, psz2);
return;
case SHCNF_PATHW:
if (wEventId == SHCNE_FREESPACE)
{
/* FIXME */
goto Quit;
}
if (dwItem1)
{
pidl1 = pidlTemp1 = SHSimpleIDListFromPathW(dwItem1);
}
if (dwItem2)
{
pidl2 = pidlTemp2 = SHSimpleIDListFromPathW(dwItem2);
}
break;
case SHCNF_PRINTERA:
case SHCNF_PRINTERW:
FIXME("SHChangeNotify with (uFlags & SHCNF_PRINTER)\n");
return;
default:
FIXME("unknown type %08x\n", uFlags & SHCNF_TYPE);
return;
}
if (wEventId == 0 || (wEventId & SHCNE_ASSOCCHANGED) || pidl1 != NULL)
{
TRACE("notifying event %s(%x)\n", DumpEvent(wEventId), wEventId);
DoTransportChange(wEventId, uFlags, pidl1, pidl2, dwTick);
}
Quit:
if (pidlTemp1)
ILFree(pidlTemp1);
if (pidlTemp2)
ILFree(pidlTemp2);
#else
struct notification_recipients {
struct list entry;
HWND hwnd;
@ -370,9 +474,7 @@ void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID
{
TRACE("dwItem2 is not zero, but should be\n");
dwItem2 = 0;
#ifndef __REACTOS__
return;
#endif
}
if( ( ( wEventId & SHCNE_NOITEMEVENTS ) &&
@ -396,43 +498,6 @@ void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID
case SHCNF_PATHW:
if (dwItem1) Pidls[0] = SHSimpleIDListFromPathW(dwItem1);
if (dwItem2) Pidls[1] = SHSimpleIDListFromPathW(dwItem2);
#ifdef __REACTOS__
if (wEventId & (SHCNE_MKDIR | SHCNE_RMDIR | SHCNE_UPDATEDIR | SHCNE_RENAMEFOLDER))
{
/*
* The last items in the ID are currently files. So we chop off the last
* entry, and create a new one using a find data struct.
*/
if (dwItem1 && Pidls[0]){
WIN32_FIND_DATAW wfd;
LPITEMIDLIST oldpidl, newpidl;
LPWSTR p = PathFindFileNameW((LPCWSTR)dwItem1);
ILRemoveLastID(Pidls[0]);
lstrcpynW(&wfd.cFileName[0], p, MAX_PATH);
wfd.dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
newpidl = _ILCreateFromFindDataW(&wfd);
oldpidl = ILClone(Pidls[0]);
ILFree(Pidls[0]);
Pidls[0] = ILCombine(oldpidl, newpidl);
ILFree(newpidl);
ILFree(oldpidl);
}
if (dwItem2 && Pidls[1]){
WIN32_FIND_DATAW wfd;
LPITEMIDLIST oldpidl, newpidl;
LPWSTR p = PathFindFileNameW((LPCWSTR)dwItem2);
ILRemoveLastID(Pidls[1]);
lstrcpynW(&wfd.cFileName[0], p, MAX_PATH);
wfd.dwFileAttributes = FILE_ATTRIBUTE_DIRECTORY;
newpidl = _ILCreateFromFindDataW(&wfd);
oldpidl = ILClone(Pidls[0]);
ILFree(Pidls[1]);
Pidls[1] = ILCombine(oldpidl, newpidl);
ILFree(newpidl);
ILFree(oldpidl);
}
}
#endif
break;
case SHCNF_IDLIST:
Pidls[0] = ILClone(dwItem1);
@ -534,7 +599,6 @@ void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID
SHFree(Pidls[0]);
SHFree(Pidls[1]);
#ifndef __REACTOS__
if (wEventId & SHCNE_ASSOCCHANGED)
{
static const WCHAR args[] = {' ','-','a',0 };
@ -572,6 +636,25 @@ HANDLE WINAPI SHChangeNotification_Lock(
LPITEMIDLIST **lppidls,
LPLONG lpwEventId)
{
#ifdef __REACTOS__
LPHANDBAG pHandbag;
TRACE("%p %08x %p %p\n", hChange, dwProcessId, lppidls, lpwEventId);
pHandbag = DoGetHandbagFromTicket(hChange, dwProcessId);
if (!pHandbag || pHandbag->dwMagic != HANDBAG_MAGIC)
{
ERR("pHandbag is invalid\n");
return NULL;
}
if (lppidls)
*lppidls = pHandbag->pidls;
if (lpwEventId)
*lpwEventId = pHandbag->pTicket->wEventId;
return pHandbag;
#else
struct new_delivery_notification *ndn;
UINT offset;
@ -594,6 +677,7 @@ HANDLE WINAPI SHChangeNotification_Lock(
*lpwEventId = ndn->event;
return ndn;
#endif
}
/*************************************************************************
@ -601,8 +685,24 @@ HANDLE WINAPI SHChangeNotification_Lock(
*/
BOOL WINAPI SHChangeNotification_Unlock ( HANDLE hLock)
{
#ifdef __REACTOS__
LPHANDBAG pHandbag = (LPHANDBAG)hLock;
BOOL ret;
TRACE("%p\n", hLock);
if (!pHandbag || pHandbag->dwMagic != HANDBAG_MAGIC)
{
ERR("pHandbag is invalid\n");
return FALSE;
}
ret = SHUnlockShared(pHandbag->pTicket);
LocalFree(hLock);
return ret;
#else
TRACE("%p\n", hLock);
return SHUnlockShared(hLock);
#endif
}
/*************************************************************************
@ -614,255 +714,3 @@ DWORD WINAPI NTSHChangeNotifyDeregister(ULONG x1)
return SHChangeNotifyDeregister( x1 );
}
#ifdef __REACTOS__
static
void
CALLBACK
_AddDirectoryProc(ULONG_PTR arg)
{
LPNOTIFYREGISTER item = (LPNOTIFYREGISTER)arg;
_BeginRead(item);
}
BOOL _OpenDirectory(LPNOTIFYREGISTER item)
{
STRRET strFile;
IShellFolder *psf;
HRESULT hr;
LPCITEMIDLIST child;
ULONG ulAttrs;
// Makes function idempotent
if (item->hDirectory && !(item->hDirectory == INVALID_HANDLE_VALUE))
return TRUE;
hr = SHBindToParent(item->pidl, &IID_IShellFolder, (LPVOID*)&psf, &child);
if (FAILED_UNEXPECTEDLY(hr))
return hr;
ulAttrs = SFGAO_FILESYSTEM | SFGAO_FOLDER;
hr = IShellFolder_GetAttributesOf(psf, 1, (LPCITEMIDLIST*)&child, &ulAttrs);
if (SUCCEEDED(hr))
hr = IShellFolder_GetDisplayNameOf(psf, child, SHGDN_FORPARSING, &strFile);
IShellFolder_Release(psf);
if (FAILED_UNEXPECTEDLY(hr))
return FALSE;
hr = StrRetToBufW(&strFile, NULL, item->wstrDirectory, _countof(item->wstrDirectory));
if (FAILED_UNEXPECTEDLY(hr))
return FALSE;
if ((ulAttrs & (SFGAO_FILESYSTEM | SFGAO_FOLDER)) != (SFGAO_FILESYSTEM | SFGAO_FOLDER))
{
TRACE("_OpenDirectory ignoring %s\n", debugstr_w(item->wstrDirectory));
item->hDirectory = INVALID_HANDLE_VALUE;
return FALSE;
}
TRACE("_OpenDirectory %s\n", debugstr_w(item->wstrDirectory));
item->hDirectory = CreateFileW(item->wstrDirectory, // pointer to the file name
GENERIC_READ | FILE_LIST_DIRECTORY, // access (read/write) mode
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, // share mode
NULL, // security descriptor
OPEN_EXISTING, // how to create
FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED, // file attributes
NULL); // file with attributes to copy
if (item->hDirectory == INVALID_HANDLE_VALUE)
{
ERR("_OpenDirectory failed for %s\n", debugstr_w(item->wstrDirectory));
return FALSE;
}
return TRUE;
}
static void CALLBACK _RequestTermination(ULONG_PTR arg)
{
LPNOTIFYREGISTER item = (LPNOTIFYREGISTER) arg;
TRACE("_RequestTermination %p %p \n", item, item->hDirectory);
if (!item->hDirectory || item->hDirectory == INVALID_HANDLE_VALUE) return;
CancelIo(item->hDirectory);
CloseHandle(item->hDirectory);
item->hDirectory = NULL;
}
static
void
CALLBACK
_NotificationCompletion(DWORD dwErrorCode, // completion code
DWORD dwNumberOfBytesTransfered, // number of bytes transferred
LPOVERLAPPED lpOverlapped) // I/O information buffer
{
/* MSDN: The hEvent member of the OVERLAPPED structure is not used by the
system, so you can use it yourself. We do just this, storing a pointer
to the working struct in the overlapped structure. */
LPNOTIFYREGISTER item = (LPNOTIFYREGISTER) lpOverlapped->hEvent;
TRACE("_NotificationCompletion\n");
#if 0
if (dwErrorCode == ERROR_OPERATION_ABORTED)
{
/* Command was induced by CancelIo in the shutdown procedure. */
TRACE("_NotificationCompletion ended.\n");
return;
}
#endif
#ifdef __REACTOS__
/* If the FSD doesn't support directory change notifications, there's no
* no need to retry and requeue notification
*/
if (dwErrorCode == ERROR_INVALID_FUNCTION)
{
WARN("Directory watching not supported\n");
return;
}
/* Also, if the notify operation was canceled (like, user moved to another
* directory), then, don't requeue notification
*/
if (dwErrorCode == ERROR_OPERATION_ABORTED)
{
TRACE("Notification aborted\n");
return;
}
if (!item)
{
ERR("item == NULL\n");
return;
}
#endif
/* This likely means overflow, so force whole directory refresh. */
if (!dwNumberOfBytesTransfered)
{
ERR("_NotificationCompletion overflow\n");
ZeroMemory(item->buffer, BUFFER_SIZE);
_BeginRead(item);
SHChangeNotify(SHCNE_UPDATEITEM | SHCNE_INTERRUPT,
SHCNF_IDLIST,
item->pidl,
NULL);
return;
}
/*
* Get the new read issued as fast as possible (before we do the
* processing and message posting). All of the file notification
* occur on one thread so the buffers should not collide with one another.
* The extra zero mems are because the FNI size isn't written correctly.
*/
ZeroMemory(item->backBuffer, BUFFER_SIZE);
memcpy(item->backBuffer, item->buffer, dwNumberOfBytesTransfered);
ZeroMemory(item->buffer, BUFFER_SIZE);
_BeginRead(item);
_ProcessNotification(item);
}
static VOID _BeginRead(LPNOTIFYREGISTER item )
{
TRACE("_BeginRead %p \n", item->hDirectory);
/* This call needs to be reissued after every APC. */
if (!ReadDirectoryChangesW(item->hDirectory, // handle to directory
item->buffer, // read results buffer
BUFFER_SIZE, // length of buffer
FALSE, // monitoring option (recursion)
FILE_NOTIFY_CHANGE_DIR_NAME | FILE_NOTIFY_CHANGE_FILE_NAME, // filter conditions
NULL, // bytes returned
&item->overlapped, // overlapped buffer
_NotificationCompletion)) // completion routine
ERR("ReadDirectoryChangesW failed. (%p, %p, %p, %p, %p) Code: %u \n",
item,
item->hDirectory,
item->buffer,
&item->overlapped,
_NotificationCompletion,
GetLastError());
}
DWORD _MapAction(DWORD dwAction, BOOL isDir)
{
switch (dwAction)
{
case FILE_ACTION_ADDED : return isDir ? SHCNE_MKDIR : SHCNE_CREATE;
case FILE_ACTION_REMOVED : return isDir ? SHCNE_RMDIR : SHCNE_DELETE;
case FILE_ACTION_MODIFIED : return isDir ? SHCNE_UPDATEDIR : SHCNE_UPDATEITEM;
case FILE_ACTION_RENAMED_OLD_NAME : return isDir ? SHCNE_UPDATEDIR : SHCNE_UPDATEITEM;
case FILE_ACTION_RENAMED_NEW_NAME : return isDir ? SHCNE_UPDATEDIR : SHCNE_UPDATEITEM;
default: return SHCNE_UPDATEITEM;
}
}
VOID _ProcessNotification(LPNOTIFYREGISTER item)
{
BYTE* pBase = item->backBuffer;
TRACE("_ProcessNotification\n");
for (;;)
{
FILE_NOTIFY_INFORMATION* fni = (FILE_NOTIFY_INFORMATION*)pBase;
LPWSTR wszFilename;
INT len = 0;
WCHAR wstrFilename[MAX_PATH];
WCHAR tmp[MAX_PATH];
StringCchCopy(tmp, fni->FileNameLength, fni->FileName);
PathCombine(wstrFilename, item->wstrDirectory, tmp);
/* If it could be a short filename, expand it. */
wszFilename = PathFindFileNameW(wstrFilename);
len = lstrlenW(wszFilename);
/* The maximum length of an 8.3 filename is twelve, including the dot. */
if (len <= 12 && wcschr(wszFilename, L'~'))
{
/* Convert to the long filename form. Unfortunately, this
does not work for deletions, so it's an imperfect fix. */
wchar_t wbuf[MAX_PATH];
if (GetLongPathName(wstrFilename, wbuf, _countof (wbuf)) > 0)
StringCchCopyW(wstrFilename, MAX_PATH, wbuf);
}
/* On deletion of a folder PathIsDirectory will return false even if
it *was* a directory, so, again, imperfect. */
SHChangeNotify(_MapAction(fni->Action, PathIsDirectory(wstrFilename)) | SHCNE_INTERRUPT,
SHCNF_PATHW,
wstrFilename,
NULL);
if (!fni->NextEntryOffset)
break;
pBase += fni->NextEntryOffset;
}
}
static void CALLBACK _RequestAllTermination(ULONG_PTR arg)
{
m_bTerminate = TRUE;
}
static unsigned int WINAPI _RunAsyncThreadProc(LPVOID arg)
{
m_bTerminate = FALSE;
while (!m_bTerminate)
{
SleepEx(INFINITE, TRUE);
}
return 0;
}
#endif /* __REACTOS__ */

8
dll/win32/shell32/wine/pidl.c
View file

@ -1100,6 +1100,10 @@ LPITEMIDLIST WINAPI SHSimpleIDListFromPathA(LPCSTR lpszPath)
wPath = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, lpszPath, -1, wPath, len);
}
#ifdef __REACTOS__
if (PathFileExistsW(wPath))
return ILCreateFromPathW(wPath);
#endif
_ILParsePathW(wPath, NULL, TRUE, &pidl, NULL);
@ -1113,6 +1117,10 @@ LPITEMIDLIST WINAPI SHSimpleIDListFromPathW(LPCWSTR lpszPath)
LPITEMIDLIST pidl = NULL;
TRACE("%s\n", debugstr_w(lpszPath));
#ifdef __REACTOS__
if (PathFileExistsW(lpszPath))
return ILCreateFromPathW(lpszPath);
#endif
_ILParsePathW(lpszPath, NULL, TRUE, &pidl, NULL);
TRACE("%s %p\n", debugstr_w(lpszPath), pidl);

7
sdk/include/reactos/undocshell.h
View file

@ -702,6 +702,13 @@ IStream* WINAPI SHGetViewStream(LPCITEMIDLIST, DWORD, LPCTSTR, LPCTSTR, LPCTSTR)
EXTERN_C HRESULT WINAPI SHCreateSessionKey(REGSAM samDesired, PHKEY phKey);
PVOID
WINAPI
SHLockSharedEx(
_In_ HANDLE hData,
_In_ DWORD dwProcessId,
_In_ BOOL bWriteAccess);
/*****************************************************************************
* INVALID_FILETITLE_CHARACTERS
*/