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shell32: Don't call SendMessage inside critical section.

This commit is contained in:
Piotr Caban 2011-09-21 09:52:28 +02:00 committed by Alexandre Julliard
parent 91c3aa001f
commit 155fb98306
1 changed files with 42 additions and 42 deletions
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84
dlls/shell32/changenotify.c
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@ -253,14 +253,24 @@ static BOOL should_notify( LPCITEMIDLIST changed, LPCITEMIDLIST watched, BOOL su
*/
void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID dwItem2)
{
LPCITEMIDLIST Pidls[2];
struct notification_recipients {
struct list entry;
HWND hwnd;
DWORD msg;
DWORD flags;
} *cur, *next;
LPITEMIDLIST Pidls[2];
LPNOTIFICATIONLIST ptr;
UINT typeFlag = uFlags & SHCNF_TYPE;
struct list recipients;
Pidls[0] = NULL;
Pidls[1] = NULL;
TRACE("(0x%08x,0x%08x,%p,%p):stub.\n", wEventId, uFlags, dwItem1, dwItem2);
TRACE("(0x%08x,0x%08x,%p,%p)\n", wEventId, uFlags, dwItem1, dwItem2);
if(uFlags & ~(SHCNF_TYPE|SHCNF_FLUSH))
FIXME("ignoring unsupported flags: %x\n", uFlags);
if( ( wEventId & SHCNE_NOITEMEVENTS ) && ( dwItem1 || dwItem2 ) )
{
@ -288,7 +298,7 @@ void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID
}
/* convert paths in IDLists*/
switch (typeFlag)
switch (uFlags & SHCNF_TYPE)
{
case SHCNF_PATHA:
if (dwItem1) Pidls[0] = SHSimpleIDListFromPathA(dwItem1);
@ -299,8 +309,8 @@ void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID
if (dwItem2) Pidls[1] = SHSimpleIDListFromPathW(dwItem2);
break;
case SHCNF_IDLIST:
Pidls[0] = dwItem1;
Pidls[1] = dwItem2;
Pidls[0] = ILClone(dwItem1);
Pidls[1] = ILClone(dwItem2);
break;
case SHCNF_PRINTERA:
case SHCNF_PRINTERW:
@ -308,32 +318,18 @@ void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID
return;
case SHCNF_DWORD:
default:
FIXME("unknown type %08x\n",typeFlag);
FIXME("unknown type %08x\n", uFlags & SHCNF_TYPE);
return;
}
{
WCHAR path[MAX_PATH];
if( Pidls[0] && SHGetPathFromIDListW(Pidls[0], path ))
TRACE("notify %08x on item1 = %s\n", wEventId, debugstr_w(path));
if( Pidls[1] && SHGetPathFromIDListW(Pidls[1], path ))
TRACE("notify %08x on item2 = %s\n", wEventId, debugstr_w(path));
}
list_init(&recipients);
EnterCriticalSection(&SHELL32_ChangenotifyCS);
/* loop through the list */
LIST_FOR_EACH_ENTRY( ptr, &notifications, NOTIFICATIONLIST, entry )
{
BOOL notify;
struct notification_recipients *item;
BOOL notify = FALSE;
DWORD i;
notify = FALSE;
TRACE("trying %p\n", ptr);
for( i=0; (i<ptr->cidl) && !notify ; i++ )
{
LPCITEMIDLIST pidl = ptr->apidl[i].pidl;
@ -355,24 +351,35 @@ void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID
if( !notify )
continue;
ptr->pidlSignaled = ILClone(Pidls[0]);
item = SHAlloc(sizeof(struct notification_recipients));
if(!item) {
ERR("out of memory\n");
continue;
}
TRACE("notifying %s, event %s(%x) before\n", NodeName( ptr ), DumpEvent(
wEventId ),wEventId );
item->hwnd = ptr->hwnd;
item->msg = ptr->uMsg;
item->flags = ptr->dwFlags;
list_add_tail(&recipients, &item->entry);
}
LeaveCriticalSection(&SHELL32_ChangenotifyCS);
LIST_FOR_EACH_ENTRY_SAFE(cur, next, &recipients, struct notification_recipients, entry)
{
TRACE("notifying %p, event %s(%x)\n", cur->hwnd, DumpEvent(wEventId), wEventId);
ptr->wSignalledEvent |= wEventId;
if (ptr->dwFlags & SHCNRF_NewDelivery)
SendMessageA(ptr->hwnd, ptr->uMsg, (WPARAM) ptr, GetCurrentProcessId());
if (cur->flags & SHCNRF_NewDelivery)
FIXME("SHCNRF_NewDelivery flag is not supported\n");
else
SendMessageA(ptr->hwnd, ptr->uMsg, (WPARAM)Pidls, wEventId);
TRACE("notifying %s, event %s(%x) after\n", NodeName( ptr ), DumpEvent(
wEventId ),wEventId );
SendMessageA(cur->hwnd, cur->msg, (WPARAM)Pidls, wEventId);
list_remove(&cur->entry);
SHFree(cur);
}
TRACE("notify Done\n");
LeaveCriticalSection(&SHELL32_ChangenotifyCS);
SHFree(Pidls[0]);
SHFree(Pidls[1]);
if (wEventId & SHCNE_ASSOCCHANGED)
{
@ -380,13 +387,6 @@ void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID
TRACE("refreshing file type associations\n");
run_winemenubuilder( args );
}
/* if we allocated it, free it. The ANSI flag is also set in its Unicode sibling. */
if ((typeFlag & SHCNF_PATHA) || (typeFlag & SHCNF_PRINTERA))
{
SHFree((LPITEMIDLIST)Pidls[0]);
SHFree((LPITEMIDLIST)Pidls[1]);
}
}
/*************************************************************************