/**
* Updates our command to @a new_command.
*/
void wml_menu_item::update_command(const config & new_command)
{
// If there is an old command, remove it from the event handlers.
if ( !command_.empty() ) {
manager::iteration iter(event_name_);
while ( handler_ptr hand = *iter ) {
if ( hand->is_menu_item() ) {
LOG_NG << "Removing command for " << event_name_ << ".\n";
remove_event_handler(command_["id"].str());
}
++iter;
}
}
// Update our stored command.
if ( new_command.empty() )
command_.clear();
else {
command_ = new_command;
// Set some fields required by event processing.
config::attribute_value & event_id = command_["id"];
if ( event_id.empty() && !item_id_.empty() ) {
event_id = item_id_;
}
command_["name"] = event_name_;
command_["first_time_only"] = false;
// Register the event.
LOG_NG << "Setting command for " << event_name_ << " to:\n" << command_;
add_event_handler(command_, true);
}
}
/**
* Removes the implicit event handler for an inlined [command].
*/
void wml_menu_item::finish_handler() const
{
if ( !command_.empty() )
remove_event_handler(command_["id"]);
// Hotkey support
if ( use_hotkey_ )
hotkey::remove_wml_hotkey(hotkey_id_);
}
HRESULT set_event_handler(EventTarget *event_target, eventid_t eid, VARIANT *var)
{
switch(V_VT(var)) {
case VT_NULL:
remove_event_handler(event_target, eid);
return S_OK;
case VT_DISPATCH:
return set_event_handler_disp(event_target, eid, V_DISPATCH(var));
case VT_BSTR: {
VARIANT *v;
HRESULT hres;
/*
* Setting event handler to string is a rare case and we don't want to
* complicate nor increase memory of event_target_t for that. Instead,
* we store the value in DispatchEx, which can already handle custom
* properties.
*/
remove_event_handler(event_target, eid);
hres = dispex_get_dprop_ref(&event_target->dispex, event_info[eid].attr_name, TRUE, &v);
if(FAILED(hres))
return hres;
V_BSTR(v) = SysAllocString(V_BSTR(var));
if(!V_BSTR(v))
return E_OUTOFMEMORY;
V_VT(v) = VT_BSTR;
return S_OK;
}
default:
FIXME("not handler %s\n", debugstr_variant(var));
/* fall through */
case VT_EMPTY:
return E_NOTIMPL;
}
return S_OK;
}
HRESULT set_event_handler(event_target_t **event_target, nsIDOMNode *nsnode, HTMLDocumentNode *doc, eventid_t eid, VARIANT *var)
{
switch(V_VT(var)) {
case VT_NULL:
return remove_event_handler(event_target, eid);
case VT_DISPATCH:
return set_event_handler_disp(event_target, nsnode, doc, eid, V_DISPATCH(var));
default:
FIXME("not supported vt=%d\n", V_VT(var));
case VT_EMPTY:
return E_NOTIMPL;
}
return S_OK;
}
HRESULT set_event_handler(event_target_t **event_target, HTMLDocumentNode *doc, eventid_t eid, VARIANT *var)
{
switch(V_VT(var)) {
case VT_NULL:
return remove_event_handler(event_target, eid);
case VT_DISPATCH:
return set_event_handler_disp(event_target, doc, eid, V_DISPATCH(var));
default:
FIXME("not handler %s\n", debugstr_variant(var));
/* fall through */
case VT_EMPTY:
return E_NOTIMPL;
}
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);
}
