mirror of
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070e749cfb
Various English fixes.
346 lines
7.8 KiB
C
346 lines
7.8 KiB
C
/*
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* shell change notification
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*
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* Juergen Schmied <juergen.schmied@debitel.de>
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*
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*/
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#include <string.h>
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#include "debugtools.h"
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#include "pidl.h"
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#include "shell32_main.h"
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#include "undocshell.h"
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DEFAULT_DEBUG_CHANNEL(shell);
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static CRITICAL_SECTION SHELL32_ChangenotifyCS = CRITICAL_SECTION_INIT("SHELL32_ChangenotifyCS");
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/* internal list of notification clients (internal) */
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typedef struct _NOTIFICATIONLIST
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{
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struct _NOTIFICATIONLIST *next;
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struct _NOTIFICATIONLIST *prev;
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HWND hwnd; /* window to notify */
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DWORD uMsg; /* message to send */
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LPNOTIFYREGISTER apidl; /* array of entries to watch*/
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UINT cidl; /* number of pidls in array */
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LONG wEventMask; /* subscribed events */
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DWORD dwFlags; /* client flags */
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} NOTIFICATIONLIST, *LPNOTIFICATIONLIST;
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static NOTIFICATIONLIST head;
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static NOTIFICATIONLIST tail;
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void InitChangeNotifications()
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{
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TRACE("head=%p tail=%p\n", &head, &tail);
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head.next = &tail;
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tail.prev = &head;
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}
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void FreeChangeNotifications()
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{
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LPNOTIFICATIONLIST ptr, item;
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TRACE("\n");
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EnterCriticalSection(&SHELL32_ChangenotifyCS);
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ptr = head.next;
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while(ptr != &tail)
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{
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int i;
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item = ptr;
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ptr = ptr->next;
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TRACE("item=%p\n", item);
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/* free the item */
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for (i=0; i<item->cidl;i++) SHFree(item->apidl[i].pidlPath);
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SHFree(item->apidl);
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SHFree(item);
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}
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head.next = NULL;
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tail.prev = NULL;
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LeaveCriticalSection(&SHELL32_ChangenotifyCS);
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DeleteCriticalSection(&SHELL32_ChangenotifyCS);
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}
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static BOOL AddNode(LPNOTIFICATIONLIST item)
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{
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LPNOTIFICATIONLIST last;
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EnterCriticalSection(&SHELL32_ChangenotifyCS);
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/* get last entry */
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last = tail.prev;
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/* link items */
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last->next = item;
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item->prev = last;
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item->next = &tail;
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tail.prev = item;
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TRACE("item=%p prev=%p next=%p\n", item, item->prev, item->next);
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LeaveCriticalSection(&SHELL32_ChangenotifyCS);
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return TRUE;
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}
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static BOOL DeleteNode(LPNOTIFICATIONLIST item)
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{
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LPNOTIFICATIONLIST ptr;
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int ret = FALSE;
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TRACE("item=%p\n", item);
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EnterCriticalSection(&SHELL32_ChangenotifyCS);
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ptr = head.next;
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while((ptr != &tail) && (ret == FALSE))
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{
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TRACE("ptr=%p\n", ptr);
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if (ptr == item)
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{
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int i;
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TRACE("item=%p prev=%p next=%p\n", item, item->prev, item->next);
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/* remove item from list */
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item->prev->next = item->next;
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item->next->prev = item->prev;
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/* free the item */
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for (i=0; i<item->cidl;i++) SHFree(item->apidl[i].pidlPath);
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SHFree(item->apidl);
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SHFree(item);
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ret = TRUE;
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}
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ptr = ptr->next;
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}
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LeaveCriticalSection(&SHELL32_ChangenotifyCS);
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return ret;
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}
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/*************************************************************************
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* SHChangeNotifyRegister [SHELL32.2]
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*
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*/
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HANDLE WINAPI
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SHChangeNotifyRegister(
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HWND hwnd,
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LONG dwFlags,
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LONG wEventMask,
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DWORD uMsg,
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int cItems,
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LPCNOTIFYREGISTER lpItems)
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{
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LPNOTIFICATIONLIST item;
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int i;
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item = SHAlloc(sizeof(NOTIFICATIONLIST));
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TRACE("(0x%04x,0x%08lx,0x%08lx,0x%08lx,0x%08x,%p) item=%p\n",
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hwnd,dwFlags,wEventMask,uMsg,cItems,lpItems,item);
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item->next = NULL;
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item->prev = NULL;
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item->cidl = cItems;
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item->apidl = SHAlloc(sizeof(NOTIFYREGISTER) * cItems);
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for(i=0;i<cItems;i++)
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{
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item->apidl[i].pidlPath = ILClone(lpItems[i].pidlPath);
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item->apidl[i].bWatchSubtree = lpItems[i].bWatchSubtree;
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}
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item->hwnd = hwnd;
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item->uMsg = uMsg;
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item->wEventMask = wEventMask;
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item->dwFlags = dwFlags;
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AddNode(item);
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return (HANDLE)item;
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}
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/*************************************************************************
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* SHChangeNotifyDeregister [SHELL32.4]
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*/
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BOOL WINAPI
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SHChangeNotifyDeregister(
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HANDLE hNotify)
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{
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TRACE("(0x%08x)\n",hNotify);
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return DeleteNode((LPNOTIFICATIONLIST)hNotify);;
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}
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/*************************************************************************
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* SHChangeNotifyUpdateEntryList [SHELL32.5]
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*/
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BOOL WINAPI
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SHChangeNotifyUpdateEntryList(DWORD unknown1, DWORD unknown2,
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DWORD unknown3, DWORD unknown4)
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{
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FIXME("(0x%08lx, 0x%08lx, 0x%08lx, 0x%08lx)\n",
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unknown1, unknown2, unknown3, unknown4);
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return -1;
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}
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/*************************************************************************
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* SHChangeNotify [SHELL32.@]
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*/
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void WINAPI SHChangeNotifyW (LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID dwItem2)
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{
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LPITEMIDLIST pidl1=(LPITEMIDLIST)dwItem1, pidl2=(LPITEMIDLIST)dwItem2;
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LPNOTIFICATIONLIST ptr;
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TRACE("(0x%08lx,0x%08x,%p,%p):stub.\n", wEventId,uFlags,dwItem1,dwItem2);
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/* convert paths in IDLists*/
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if(uFlags & SHCNF_PATHA)
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{
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DWORD dummy;
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if (dwItem1) SHILCreateFromPathA((LPCSTR)dwItem1, &pidl1, &dummy);
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if (dwItem2) SHILCreateFromPathA((LPCSTR)dwItem2, &pidl2, &dummy);
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}
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EnterCriticalSection(&SHELL32_ChangenotifyCS);
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/* loop through the list */
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ptr = head.next;
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while(ptr != &tail)
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{
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TRACE("trying %p\n", ptr);
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if(wEventId & ptr->wEventMask)
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{
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TRACE("notifying\n");
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SendMessageA(ptr->hwnd, ptr->uMsg, (WPARAM)pidl1, (LPARAM)pidl2);
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}
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ptr = ptr->next;
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}
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LeaveCriticalSection(&SHELL32_ChangenotifyCS);
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if(uFlags & SHCNF_PATHA)
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{
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if (pidl1) SHFree(pidl1);
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if (pidl2) SHFree(pidl2);
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}
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}
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/*************************************************************************
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* SHChangeNotify [SHELL32.@]
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*/
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void WINAPI SHChangeNotifyA (LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID dwItem2)
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{
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LPITEMIDLIST Pidls[2];
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LPNOTIFICATIONLIST ptr;
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Pidls[0] = (LPITEMIDLIST)dwItem1;
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Pidls[1] = (LPITEMIDLIST)dwItem2;
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TRACE("(0x%08lx,0x%08x,%p,%p):stub.\n", wEventId,uFlags,dwItem1,dwItem2);
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/* convert paths in IDLists*/
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if(uFlags & SHCNF_PATHA)
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{
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DWORD dummy;
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if (Pidls[0]) SHILCreateFromPathA((LPCSTR)dwItem1, &Pidls[0], &dummy);
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if (Pidls[1]) SHILCreateFromPathA((LPCSTR)dwItem2, &Pidls[1], &dummy);
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}
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EnterCriticalSection(&SHELL32_ChangenotifyCS);
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/* loop through the list */
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ptr = head.next;
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while(ptr != &tail)
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{
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TRACE("trying %p\n", ptr);
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if(wEventId & ptr->wEventMask)
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{
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TRACE("notifying\n");
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SendMessageA(ptr->hwnd, ptr->uMsg, (WPARAM)&Pidls, (LPARAM)wEventId);
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}
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ptr = ptr->next;
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}
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LeaveCriticalSection(&SHELL32_ChangenotifyCS);
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/* if we allocated it, free it */
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if(uFlags & SHCNF_PATHA)
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{
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if (Pidls[0]) SHFree(Pidls[0]);
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if (Pidls[1]) SHFree(Pidls[1]);
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}
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}
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/*************************************************************************
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* SHChangeNotify [SHELL32.@]
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*/
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void WINAPI SHChangeNotifyAW (LONG wEventId, UINT uFlags, LPCVOID dwItem1, LPCVOID dwItem2)
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{
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if(SHELL_OsIsUnicode())
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SHChangeNotifyW (wEventId, uFlags, dwItem1, dwItem2);
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else
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SHChangeNotifyA (wEventId, uFlags, dwItem1, dwItem2);
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}
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/*************************************************************************
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* NTSHChangeNotifyRegister [SHELL32.640]
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* NOTES
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* Idlist is an array of structures and Count specifies how many items in the array
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* (usually just one I think).
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*/
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DWORD WINAPI NTSHChangeNotifyRegister(
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HWND hwnd,
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LONG events1,
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LONG events2,
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DWORD msg,
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int count,
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LPNOTIFYREGISTER idlist)
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{
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FIXME("(0x%04x,0x%08lx,0x%08lx,0x%08lx,0x%08x,%p):stub.\n",
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hwnd,events1,events2,msg,count,idlist);
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return 0;
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}
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/*************************************************************************
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* SHChangeNotification_Lock [SHELL32.644]
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*/
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HANDLE WINAPI SHChangeNotification_Lock(
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HANDLE hMemoryMap,
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DWORD dwProcessId,
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LPCITEMIDLIST **lppidls,
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LPLONG lpwEventId)
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{
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FIXME("\n");
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return 0;
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}
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/*************************************************************************
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* SHChangeNotification_Unlock [SHELL32.645]
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*/
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BOOL WINAPI SHChangeNotification_Unlock (
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HANDLE hLock)
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{
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FIXME("\n");
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return 0;
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}
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/*************************************************************************
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* NTSHChangeNotifyDeregister [SHELL32.641]
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*/
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DWORD WINAPI NTSHChangeNotifyDeregister(LONG x1)
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{
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FIXME("(0x%08lx):stub.\n",x1);
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return 0;
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}
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