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uiautomationcore: Make sure event thread is started when listening for WinEvents.

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Signed-off-by: Connor McAdams <cmcadams@codeweavers.com>
This commit is contained in:
Connor McAdams 2023-09-14 11:24:41 -04:00 • committed by Alexandre Julliard
parent 81caccbf84
commit fded7c1d71
2 changed files with 15 additions and 5 deletions
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19
dlls/uiautomationcore/uia_event.c
View file

@ -79,8 +79,12 @@ static BOOL CALLBACK uia_win_event_enum_top_level_hwnds(HWND hwnd, LPARAM lparam
return TRUE;
}
static BOOL uia_clientside_event_start_event_thread(struct uia_event *event);
HRESULT uia_event_add_win_event_hwnd(struct uia_event *event, HWND hwnd)
{
if (!uia_clientside_event_start_event_thread(event))
return E_FAIL;
if (hwnd == GetDesktopWindow())
EnumWindows(uia_win_event_enum_top_level_hwnds, (LPARAM)&event->u.clientside.win_event_hwnd_map);
@ -630,6 +634,14 @@ static void uia_stop_event_thread(void)
LeaveCriticalSection(&event_thread_cs);
}
static BOOL uia_clientside_event_start_event_thread(struct uia_event *event)
{
if (!event->u.clientside.event_thread_started)
event->u.clientside.event_thread_started = uia_start_event_thread();
return event->u.clientside.event_thread_started;
}
/*
* IWineUiaEvent interface.
*/
@ -679,7 +691,7 @@ static ULONG WINAPI uia_event_Release(IWineUiaEvent *iface)
if (event->event_type == EVENT_TYPE_CLIENTSIDE)
{
uia_cache_request_destroy(&event->u.clientside.cache_req);
if (event->u.clientside.git_cookie)
if (event->u.clientside.event_thread_started)
uia_stop_event_thread();
uia_hwnd_map_destroy(&event->u.clientside.win_event_hwnd_map);
}
@ -1160,16 +1172,13 @@ HRESULT uia_event_add_serverside_event_adviser(IWineUiaEvent *serverside_event,
*/
if (!event->u.clientside.git_cookie)
{
if (!uia_start_event_thread())
if (!uia_clientside_event_start_event_thread(event))
return E_FAIL;
hr = register_interface_in_git((IUnknown *)&event->IWineUiaEvent_iface, &IID_IWineUiaEvent,
&event->u.clientside.git_cookie);
if (FAILED(hr))
{
uia_stop_event_thread();
return hr;
}
}
if (!(adv_events = calloc(1, sizeof(*adv_events))))

1
dlls/uiautomationcore/uia_private.h
View file

@ -142,6 +142,7 @@ struct uia_event
void *callback_data;
struct rb_tree win_event_hwnd_map;
BOOL event_thread_started;
DWORD git_cookie;
} clientside;
struct {