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 detach_event(event_target_t *event_target, HTMLDocument *doc, BSTR name, IDispatch *disp)
{
eventid_t eid;
DWORD i = 0;
if(!event_target)
return S_OK;
eid = attr_to_eid(name);
if(eid == EVENTID_LAST) {
WARN("Unknown event\n");
return S_OK;
}
if(!event_target->event_table[eid])
return S_OK;
while(i < event_target->event_table[eid]->handler_cnt) {
if(event_target->event_table[eid]->handlers[i] == disp) {
IDispatch_Release(event_target->event_table[eid]->handlers[i]);
event_target->event_table[eid]->handlers[i] = NULL;
}
i++;
}
return S_OK;
}
HRESULT detach_event(EventTarget *event_target, BSTR name, IDispatch *disp)
{
event_target_t *data;
eventid_t eid;
DWORD i = 0;
eid = attr_to_eid(name);
if(eid == EVENTID_LAST) {
WARN("Unknown event\n");
return S_OK;
}
data = get_event_target_data(event_target, FALSE);
if(!data)
return S_OK;
if(!data->event_table[eid])
return S_OK;
while(i < data->event_table[eid]->handler_cnt) {
if(data->event_table[eid]->handlers[i] == disp) {
IDispatch_Release(data->event_table[eid]->handlers[i]);
data->event_table[eid]->handlers[i] = NULL;
}
i++;
}
return S_OK;
}
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;
}
HRESULT dispatch_event(HTMLDOMNode *node, const WCHAR *event_name, VARIANT *event_var, VARIANT_BOOL *cancelled)
{
HTMLEventObj *event_obj = NULL;
eventid_t eid;
HRESULT hres;
eid = attr_to_eid(event_name);
if(eid == EVENTID_LAST) {
WARN("unknown event %s\n", debugstr_w(event_name));
return E_INVALIDARG;
}
if(event_var && V_VT(event_var) != VT_EMPTY && V_VT(event_var) != VT_ERROR) {
if(V_VT(event_var) != VT_DISPATCH) {
FIXME("event_var %s not supported\n", debugstr_variant(event_var));
return E_NOTIMPL;
}
if(V_DISPATCH(event_var)) {
IHTMLEventObj *event_iface;
hres = IDispatch_QueryInterface(V_DISPATCH(event_var), &IID_IHTMLEventObj, (void**)&event_iface);
if(FAILED(hres)) {
FIXME("No IHTMLEventObj iface\n");
return hres;
}
event_obj = unsafe_impl_from_IHTMLEventObj(event_iface);
if(!event_obj) {
ERR("Not our IHTMLEventObj?\n");
IHTMLEventObj_Release(event_iface);
return E_FAIL;
}
}
}
if(event_obj) {
hres = set_event_info(event_obj, node, eid, NULL);
if(SUCCEEDED(hres))
fire_event_obj(node->doc, eid, event_obj, node->nsnode, NULL);
IHTMLEventObj_Release(&event_obj->IHTMLEventObj_iface);
if(FAILED(hres))
return hres;
}else {
if(!(event_info[eid].flags & EVENT_DEFAULTLISTENER)) {
FIXME("not EVENT_DEFAULTEVENTHANDLER\n");
return E_NOTIMPL;
}
fire_event(node->doc, eid, TRUE, node->nsnode, NULL, NULL);
}
*cancelled = VARIANT_TRUE; /* FIXME */
return S_OK;
}
void bind_node_event(HTMLDocumentNode *doc, event_target_t **event_target, HTMLDOMNode *node, const WCHAR *event, IDispatch *disp)
{
eventid_t eid;
TRACE("(%p %p %p %s %p)\n", doc, event_target, node, debugstr_w(event), disp);
eid = attr_to_eid(event);
if(eid == EVENTID_LAST) {
WARN("Unsupported event %s\n", debugstr_w(event));
return;
}
set_event_handler_disp(event_target, doc, eid, disp);
}
void bind_elem_event(HTMLDocumentNode *doc, HTMLElement *elem, const WCHAR *event, IDispatch *disp)
{
eventid_t eid;
TRACE("(%p %p %s %p)\n", doc, elem, debugstr_w(event), disp);
eid = attr_to_eid(event);
if(eid == EVENTID_LAST) {
WARN("Unsupported event %s\n", debugstr_w(event));
return;
}
set_event_handler_disp(&elem->node.event_target, elem->node.nsnode, doc, eid, disp);
}
HRESULT dispatch_event(HTMLDOMNode *node, const WCHAR *event_name, VARIANT *event_obj, VARIANT_BOOL *cancelled)
{
eventid_t eid;
eid = attr_to_eid(event_name);
if(eid == EVENTID_LAST) {
WARN("unknown event %s\n", debugstr_w(event_name));
return E_INVALIDARG;
}
if(event_obj && V_VT(event_obj) != VT_EMPTY && V_VT(event_obj) != VT_ERROR)
FIXME("event_obj not implemented\n");
if(!(event_info[eid].flags & EVENT_DEFAULTLISTENER)) {
FIXME("not EVENT_DEFAULTEVENTHANDLER\n");
return E_NOTIMPL;
}
fire_event(node->doc, eid, TRUE, node->nsnode, NULL);
*cancelled = VARIANT_TRUE; /* FIXME */
return S_OK;
}
