HRESULT attach_event(event_target_t **event_target_ptr, HTMLDocument *doc, BSTR name,
IDispatch *disp, VARIANT_BOOL *res)
{
event_target_t *event_target;
eventid_t eid;
DWORD i = 0;
eid = attr_to_eid(name);
if(eid == EVENTID_LAST) {
WARN("Unknown event\n");
*res = VARIANT_TRUE;
return S_OK;
}
event_target = get_event_target(event_target_ptr);
if(!event_target)
return E_OUTOFMEMORY;
if(event_target->event_table[eid]) {
while(i < event_target->event_table[eid]->handler_cnt && event_target->event_table[eid]->handlers[i])
i++;
if(i == event_target->event_table[eid]->handler_cnt && !alloc_handler_vector(event_target, eid, i+1))
return E_OUTOFMEMORY;
}else if(!alloc_handler_vector(event_target, eid, i+1)) {
return E_OUTOFMEMORY;
}
IDispatch_AddRef(disp);
event_target->event_table[eid]->handlers[i] = disp;
*res = VARIANT_TRUE;
return ensure_nsevent_handler(doc->doc_node, event_target, eid);
}
HRESULT attach_event(EventTarget *event_target, BSTR name, IDispatch *disp, VARIANT_BOOL *res)
{
event_target_t *data;
eventid_t eid;
DWORD i = 0;
eid = attr_to_eid(name);
if(eid == EVENTID_LAST) {
WARN("Unknown event\n");
*res = VARIANT_TRUE;
return S_OK;
}
data = get_event_target_data(event_target, TRUE);
if(!data)
return E_OUTOFMEMORY;
if(data->event_table[eid]) {
while(i < data->event_table[eid]->handler_cnt && data->event_table[eid]->handlers[i])
i++;
if(i == data->event_table[eid]->handler_cnt && !alloc_handler_vector(data, eid, i+1))
return E_OUTOFMEMORY;
}else if(!alloc_handler_vector(data, eid, i+1)) {
return E_OUTOFMEMORY;
}
IDispatch_AddRef(disp);
data->event_table[eid]->handlers[i] = disp;
bind_event(event_target, eid);
*res = VARIANT_TRUE;
return S_OK;
}
static HRESULT set_event_handler_disp(EventTarget *event_target, eventid_t eid, IDispatch *disp)
{
event_target_t *data;
remove_event_handler(event_target, eid);
if(!disp)
return S_OK;
data = get_event_target_data(event_target, TRUE);
if(!data)
return E_OUTOFMEMORY;
if(!alloc_handler_vector(data, eid, 0))
return E_OUTOFMEMORY;
data->event_table[eid]->handler_prop = disp;
IDispatch_AddRef(disp);
bind_event(event_target, eid);
return S_OK;
}
static HRESULT set_event_handler_disp(event_target_t **event_target_ptr, HTMLDocumentNode *doc,
eventid_t eid, IDispatch *disp)
{
event_target_t *event_target;
if(!disp)
return remove_event_handler(event_target_ptr, eid);
event_target = get_event_target(event_target_ptr);
if(!event_target)
return E_OUTOFMEMORY;
if(!alloc_handler_vector(event_target, eid, 0))
return E_OUTOFMEMORY;
if(event_target->event_table[eid]->handler_prop)
IDispatch_Release(event_target->event_table[eid]->handler_prop);
event_target->event_table[eid]->handler_prop = disp;
IDispatch_AddRef(disp);
return ensure_nsevent_handler(doc, event_target, eid);
}