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[Win32ss]

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- Fix SeaMonkey crash while restarting the web browser.

svn path=/trunk/; revision=66149
This commit is contained in:
James Tabor 2015-02-02 06:22:26 +00:00
parent 168427ac29
commit be2a9b2e37
2 changed files with 34 additions and 37 deletions
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66
reactos/win32ss/user/ntuser/painting.c
View file

@ -942,47 +942,49 @@ BOOL
FASTCALL
IntFlashWindowEx(PWND pWnd, PFLASHWINFO pfwi)
{
PFLASHDATA pfData;
DWORD FlashState;
UINT uCount = pfwi->uCount;
BOOL Activate = FALSE, Ret = FALSE;
pfData = UserGetProp(pWnd, AtomFlashWndState);
if (!pfData)
{
pfData = ExAllocatePoolWithTag(NonPagedPool, sizeof(FLASHDATA), USERTAG_WINDOW);
ASSERT(pfwi);
pfData->FlashState = 0;
pfData->uCount = pfwi->uCount;
FlashState = (DWORD)UserGetProp(pWnd, AtomFlashWndState);
IntSetProp(pWnd, AtomFlashWndState, (HANDLE) pfData);
}
if (pfData->FlashState == FLASHW_FINISHED)
if (FlashState == FLASHW_FINISHED)
{
// Cycle has finished, kill timer and set this to Stop.
pfData->FlashState |= FLASHW_KILLSYSTIMER;
FlashState |= FLASHW_KILLSYSTIMER;
pfwi->dwFlags = FLASHW_STOP;
}
else
{
if (pfData->FlashState)
if (FlashState)
{
if (pfwi->dwFlags == FLASHW_SYSTIMER)
{
// Called from system timer, restore flags.
pfwi->dwFlags = pfData->FlashState;
// Called from system timer, restore flags, counts and state.
pfwi->dwFlags = LOWORD(FlashState);
uCount = HIWORD(FlashState);
FlashState = MAKELONG(LOWORD(FlashState),0);
}
else
{
// Clean out the trash! Fix SeaMonkey crash after restart.
FlashState = 0;
}
}
else
if (FlashState == 0)
{ // First time in cycle, setup flash state.
if ( pWnd->state & WNDS_ACTIVEFRAME ||
(pfwi->dwFlags & FLASHW_CAPTION && pWnd->style & (WS_BORDER|WS_DLGFRAME)))
{
pfData->FlashState = FLASHW_STARTED|FLASHW_ACTIVE;
FlashState = FLASHW_STARTED|FLASHW_ACTIVE;
}
}
// Set previous window state.
Ret = !!(pfData->FlashState & FLASHW_ACTIVE);
Ret = !!(FlashState & FLASHW_ACTIVE);
if ( pfwi->dwFlags & FLASHW_TIMERNOFG &&
gpqForeground == pWnd->head.pti->MessageQueue )
@ -1002,7 +1004,7 @@ IntFlashWindowEx(PWND pWnd, PFLASHWINFO pfwi)
}
else
{
Activate = (pfData->FlashState & FLASHW_ACTIVE) == 0;
Activate = (FlashState & FLASHW_ACTIVE) == 0;
}
if ( pfwi->dwFlags == FLASHW_STOP || pfwi->dwFlags & FLASHW_CAPTION )
@ -1019,31 +1021,29 @@ IntFlashWindowEx(PWND pWnd, PFLASHWINFO pfwi)
if ( pfwi->dwFlags == FLASHW_STOP )
{
if (pfData->FlashState & FLASHW_KILLSYSTIMER)
if (FlashState & FLASHW_KILLSYSTIMER)
{
IntKillTimer(pWnd, ID_EVENT_SYSTIMER_FLASHWIN, TRUE);
}
IntRemoveProp(pWnd, AtomFlashWndState);
ExFreePoolWithTag(pfData, USERTAG_WINDOW);
}
else
{ // Have a count and started, set timer.
if ( pfData->uCount )
if ( uCount )
{
pfData->FlashState |= FLASHW_COUNT;
FlashState |= FLASHW_COUNT;
if (!(Activate ^ !!(pfData->FlashState & FLASHW_STARTED)))
pfData->uCount--;
if (!(Activate ^ !!(FlashState & FLASHW_STARTED)))
uCount--;
if (!(pfData->FlashState & FLASHW_KILLSYSTIMER))
if (!(FlashState & FLASHW_KILLSYSTIMER))
pfwi->dwFlags |= FLASHW_TIMER;
}
if (pfwi->dwFlags & FLASHW_TIMER)
{
pfData->FlashState |= FLASHW_KILLSYSTIMER;
FlashState |= FLASHW_KILLSYSTIMER;
IntSetTimer( pWnd,
ID_EVENT_SYSTIMER_FLASHWIN,
@ -1052,17 +1052,19 @@ IntFlashWindowEx(PWND pWnd, PFLASHWINFO pfwi)
TMRF_SYSTEM );
}
if (pfData->FlashState & FLASHW_COUNT && pfData->uCount == 0)
if (FlashState & FLASHW_COUNT && uCount == 0)
{
// Keep spinning? Nothing else to do.
pfData->FlashState = FLASHW_FINISHED;
FlashState = FLASHW_FINISHED;
}
else
{
// Save state and flags so this can be restored next time through.
pfData->FlashState ^= (pfData->FlashState ^ -!!(Activate)) & FLASHW_ACTIVE;
pfData->FlashState ^= (pfData->FlashState ^ pfwi->dwFlags) & (FLASHW_MASK & ~FLASHW_TIMER);
FlashState ^= (FlashState ^ -!!(Activate)) & FLASHW_ACTIVE;
FlashState ^= (FlashState ^ pfwi->dwFlags) & (FLASHW_MASK & ~FLASHW_TIMER);
}
FlashState = MAKELONG(LOWORD(FlashState),uCount);
IntSetProp(pWnd, AtomFlashWndState, (HANDLE) FlashState);
}
return Ret;
}

5
reactos/win32ss/user/ntuser/painting.h
View file

@ -8,11 +8,6 @@
#define FLASHW_KILLSYSTIMER 0x00004000
#define FLASHW_ACTIVE 0x00008000
typedef struct _FLASHDATA{
DWORD FlashState;
UINT uCount;
} FLASHDATA, *PFLASHDATA;
BOOL FASTCALL co_UserRedrawWindow(PWND Wnd, const RECTL* UpdateRect, PREGION UpdateRgn, ULONG Flags);
VOID FASTCALL IntInvalidateWindows(PWND Window, PREGION Rgn, ULONG Flags);
BOOL FASTCALL IntGetPaintMessage(PWND Window, UINT MsgFilterMin, UINT MsgFilterMax, PTHREADINFO Thread, MSG *Message, BOOL Remove);