Jacek Caban : mshtml: Store all attached listeners before calling them in call_event_handlers.
Module: wine Branch: master Commit: 231d1d3c338b81f97a9165737783bf281c49fb4e URL: http://source.winehq.org/git/wine.git/?a=commit;h=231d1d3c338b81f97a91657377... Author: Jacek Caban <jacek(a)codeweavers.com> Date: Wed Oct 25 18:12:41 2017 +0200 mshtml: Store all attached listeners before calling them in call_event_handlers. Signed-off-by: Jacek Caban <jacek(a)codeweavers.com> Signed-off-by: Alexandre Julliard <julliard(a)winehq.org> --- dlls/mshtml/htmlevent.c | 99 ++++++++++++++++++++++++++++++++++--------------- 1 file changed, 70 insertions(+), 29 deletions(-) diff --git a/dlls/mshtml/htmlevent.c b/dlls/mshtml/htmlevent.c index d64238f..19a76e0 100644 --- a/dlls/mshtml/htmlevent.c +++ b/dlls/mshtml/htmlevent.c @@ -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; - - V_VT(&arg) = VT_DISPATCH; - V_DISPATCH(&arg) = (IDispatch*)event->event_obj; + listeners_cnt = 0; + listeners_size = sizeof(listeners_buf)/sizeof(*listeners_buf); - i = handler_vector->handler_cnt; + if(container) { + unsigned i = container->handler_cnt; while(i--) { - if(handler_vector->handlers[i]) { - V_VT(&v) = VT_EMPTY; - - 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(!container->handlers[i]) + continue; + + 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) {
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Alexandre Julliard