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mshtml: Store all attached listeners before calling them in call_event_handlers. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2017-10-25 18:12:41 +02:00 committed by Alexandre Julliard
parent 5d01ebab89
commit 231d1d3c33
1 changed files with 69 additions and 28 deletions
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97
dlls/mshtml/htmlevent.c
View File

@ -35,6 +35,16 @@
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
typedef enum {
LISTENER_TYPE_ONEVENT,
LISTENER_TYPE_ATTACHED
} listener_type_t;
typedef struct {
listener_type_t type;
IDispatch *function;
} event_listener_t;
typedef struct {
struct wine_rb_entry entry;
eventid_t event_id;
@ -1258,14 +1268,16 @@ static BOOL is_cp_event(cp_static_data_t *data, DISPID dispid)
static void call_event_handlers(EventTarget *event_target, DOMEvent *event)
{
const eventid_t eid = event->event_id;
handler_vector_t *handler_vector = get_handler_vector(event_target, eid, FALSE);
handler_vector_t *container = get_handler_vector(event_target, eid, FALSE);
const BOOL cancelable = event_info[eid].flags & EVENT_CANCELABLE;
event_listener_t *listener, listeners_buf[8], *listeners = listeners_buf;
unsigned listeners_cnt, listeners_size;
ConnectionPointContainer *cp_container = NULL;
const event_target_vtbl_t *vtbl;
VARIANT v;
HRESULT hres;
if(handler_vector && handler_vector->handler_prop) {
if(container && container->handler_prop) {
DISPID named_arg = DISPID_THIS;
VARIANTARG arg;
DISPPARAMS dp = {&arg, &named_arg, 1, 1};
@ -1278,7 +1290,7 @@ static void call_event_handlers(EventTarget *event_target, DOMEvent *event)
V_VT(&v) = VT_EMPTY;
TRACE("%s >>>\n", debugstr_w(event_info[eid].name));
hres = call_disp_func(handler_vector->handler_prop, &dp, &v);
hres = call_disp_func(container->handler_prop, &dp, &v);
if(hres == S_OK) {
TRACE("%s <<< %s\n", debugstr_w(event_info[eid].name), debugstr_variant(&v));
@ -1296,40 +1308,69 @@ static void call_event_handlers(EventTarget *event_target, DOMEvent *event)
}
}
if(handler_vector && handler_vector->handler_cnt) {
VARIANTARG arg;
DISPPARAMS dp = {&arg, NULL, 1, 0};
int i;
listeners_cnt = 0;
listeners_size = sizeof(listeners_buf)/sizeof(*listeners_buf);
V_VT(&arg) = VT_DISPATCH;
V_DISPATCH(&arg) = (IDispatch*)event->event_obj;
i = handler_vector->handler_cnt;
if(container) {
unsigned i = container->handler_cnt;
while(i--) {
if(handler_vector->handlers[i]) {
V_VT(&v) = VT_EMPTY;
if(!container->handlers[i])
continue;
TRACE("%s [%d] >>>\n", debugstr_w(event_info[eid].name), i);
hres = call_disp_func(handler_vector->handlers[i], &dp, &v);
if(hres == S_OK) {
TRACE("%s [%d] <<<\n", debugstr_w(event_info[eid].name), i);
if(cancelable) {
if(V_VT(&v) == VT_BOOL) {
if(!V_BOOL(&v))
IDOMEvent_preventDefault(&event->IDOMEvent_iface);
}else if(V_VT(&v) != VT_EMPTY) {
FIXME("unhandled result %s\n", debugstr_variant(&v));
}
}
VariantClear(&v);
if(listeners_cnt == listeners_size) {
event_listener_t *new_listeners;
if(listeners == listeners_buf) {
new_listeners = heap_alloc(listeners_size * 2 * sizeof(*new_listeners));
if(!new_listeners)
break;
memcpy(new_listeners, listeners, listeners_cnt * sizeof(*listeners));
}else {
WARN("%s [%d] <<< %08x\n", debugstr_w(event_info[eid].name), i, hres);
new_listeners = heap_realloc(listeners, listeners_size * 2 * sizeof(*new_listeners));
}
listeners = new_listeners;
listeners_size *= 2;
}
listeners[listeners_cnt].type = LISTENER_TYPE_ATTACHED;
IDispatch_AddRef(listeners[listeners_cnt].function = container->handlers[i]);
listeners_cnt++;
}
}
for(listener = listeners; listener < listeners + listeners_cnt; listener++) {
if(listener->type == LISTENER_TYPE_ATTACHED) {
VARIANTARG arg;
DISPPARAMS dp = {&arg, NULL, 1, 0};
V_VT(&arg) = VT_DISPATCH;
V_DISPATCH(&arg) = (IDispatch*)event->event_obj;
V_VT(&v) = VT_EMPTY;
TRACE("%s attached >>>\n", debugstr_w(event_info[eid].name));
hres = call_disp_func(listener->function, &dp, &v);
if(hres == S_OK) {
TRACE("%s attached <<<\n", debugstr_w(event_info[eid].name));
if(cancelable) {
if(V_VT(&v) == VT_BOOL) {
if(!V_BOOL(&v))
IDOMEvent_preventDefault(&event->IDOMEvent_iface);
}else if(V_VT(&v) != VT_EMPTY) {
FIXME("unhandled result %s\n", debugstr_variant(&v));
}
}
VariantClear(&v);
}else {
WARN("%s attached <<< %08x\n", debugstr_w(event_info[eid].name), hres);
}
}
}
if(listeners != listeners_buf)
heap_free(listeners);
if(event->phase == DEP_CAPTURING_PHASE)
return;
if((vtbl = dispex_get_vtbl(&event_target->dispex)) && vtbl->get_cp_container)
cp_container = vtbl->get_cp_container(&event_target->dispex);
if(cp_container) {