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shell32: Convert the change notifications list to a standard list.

This commit is contained in:
Alexandre Julliard 2010-04-09 14:28:26 +02:00
parent 58d1981fbd
commit 7d19601012
1 changed files with 12 additions and 33 deletions
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45
dlls/shell32/changenotify.c
View File

@ -25,6 +25,7 @@
#define NONAMELESSSTRUCT
#include "windef.h"
#include "winbase.h"
#include "wine/list.h"
#include "wine/debug.h"
#include "shell32_main.h"
@ -44,8 +45,7 @@ typedef SHChangeNotifyEntry *LPNOTIFYREGISTER;
/* internal list of notification clients (internal) */
typedef struct _NOTIFICATIONLIST
{
struct _NOTIFICATIONLIST *next;
struct _NOTIFICATIONLIST *prev;
struct list entry;
HWND hwnd; /* window to notify */
DWORD uMsg; /* message to send */
LPNOTIFYREGISTER apidl; /* array of entries to watch*/
@ -57,7 +57,7 @@ typedef struct _NOTIFICATIONLIST
} NOTIFICATIONLIST, *LPNOTIFICATIONLIST;
static NOTIFICATIONLIST *head, *tail;
static struct list notifications = LIST_INIT( notifications );
#define SHCNE_NOITEMEVENTS ( \
SHCNE_ASSOCCHANGED )
@ -117,24 +117,10 @@ static const char * NodeName(const NOTIFICATIONLIST *item)
return str;
}
static void AddNode(LPNOTIFICATIONLIST item)
{
TRACE("item %p\n", item );
/* link items */
item->prev = tail;
item->next = NULL;
if( tail )
tail->next = item;
else
head = item;
tail = item;
}
static LPNOTIFICATIONLIST FindNode( HANDLE hitem )
{
LPNOTIFICATIONLIST ptr;
for( ptr = head; ptr; ptr = ptr->next )
LIST_FOR_EACH_ENTRY( ptr, &notifications, NOTIFICATIONLIST, entry )
if( ptr == hitem )
return ptr;
return NULL;
@ -144,17 +130,10 @@ static void DeleteNode(LPNOTIFICATIONLIST item)
{
UINT i;
TRACE("item=%p prev=%p next=%p\n", item, item->prev, item->next);
TRACE("item=%p\n", item);
/* remove item from list */
if( item->prev )
item->prev->next = item->next;
else
head = item->next;
if( item->next )
item->next->prev = item->prev;
else
tail = item->prev;
list_remove( &item->entry );
/* free the item */
for (i=0; i<item->cidl; i++)
@ -169,12 +148,14 @@ void InitChangeNotifications(void)
void FreeChangeNotifications(void)
{
LPNOTIFICATIONLIST ptr, next;
TRACE("\n");
EnterCriticalSection(&SHELL32_ChangenotifyCS);
while( head )
DeleteNode( head );
LIST_FOR_EACH_ENTRY_SAFE( ptr, next, &notifications, NOTIFICATIONLIST, entry )
DeleteNode( ptr );
LeaveCriticalSection(&SHELL32_ChangenotifyCS);
@ -202,8 +183,6 @@ SHChangeNotifyRegister(
TRACE("(%p,0x%08x,0x%08x,0x%08x,%d,%p) item=%p\n",
hwnd, fSources, wEventMask, uMsg, cItems, lpItems, item);
item->next = NULL;
item->prev = NULL;
item->cidl = cItems;
item->apidl = SHAlloc(sizeof(SHChangeNotifyEntry) * cItems);
for(i=0;i<cItems;i++)
@ -221,7 +200,7 @@ SHChangeNotifyRegister(
EnterCriticalSection(&SHELL32_ChangenotifyCS);
AddNode(item);
list_add_tail( &notifications, &item->entry );
LeaveCriticalSection(&SHELL32_ChangenotifyCS);
@ -349,7 +328,7 @@ void WINAPI SHChangeNotify(LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID
EnterCriticalSection(&SHELL32_ChangenotifyCS);
/* loop through the list */
for( ptr = head; ptr; ptr = ptr->next )
LIST_FOR_EACH_ENTRY( ptr, &notifications, NOTIFICATIONLIST, entry )
{
BOOL notify;
DWORD i;