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use std::cmp::Reverse;
use std::collections::HashMap;
use std::sync::Arc;
use crate::input::state::{HookState, WindowState};
use crate::input::{Hook, InputHookCtrl, InputHookID, NO_HOOK_WEIGHT};
use crate::interface::BinID;
use crate::interval::Interval;
pub(in crate::input) fn bin_focus(
interval: &Arc<Interval>,
hooks: &mut HashMap<InputHookID, Hook>,
window_state: &mut WindowState,
old_bin_id_op: Option<BinID>,
new_bin_id_op: Option<BinID>,
) {
let mut remove_hooks = Vec::new();
if let Some(old_bin_id) = old_bin_id_op {
let mut call_release_on = Vec::new();
let mut call_focus_lost_on = Vec::new();
for (hook_id, hook) in hooks.iter_mut() {
if hook.is_for_bin_id(old_bin_id) {
match &mut hook.state {
HookState::Release {
pressed,
weight,
..
} if *pressed => {
call_release_on.push((*weight, (hook_id, hook)));
},
HookState::Hold {
state,
pressed,
intvl_id,
..
} => {
if *pressed {
*pressed = false;
interval.pause(*intvl_id);
}
state.release_all();
},
HookState::FocusLost {
weight, ..
} => {
call_focus_lost_on.push((*weight, (hook_id, hook)));
},
_ => (),
}
}
}
call_release_on.sort_by_key(|(weight, _)| Reverse(*weight));
call_focus_lost_on.sort_by_key(|(weight, _)| Reverse(*weight));
let mut call_release_method = true;
for (weight, (hook_id, hook)) in call_release_on {
let hook_target = match hook.target_wk.upgrade() {
Some(some) => some,
None => {
remove_hooks.push(*hook_id);
continue;
},
};
if let HookState::Release {
state,
pressed,
method,
..
} = &mut hook.state
{
state.release_all();
*pressed = false;
if call_release_method {
match method(hook_target, window_state, state) {
InputHookCtrl::Retain => (),
InputHookCtrl::RetainNoPass => {
if weight != NO_HOOK_WEIGHT {
call_release_method = false;
}
},
InputHookCtrl::Remove => {
remove_hooks.push(*hook_id);
},
InputHookCtrl::RemoveNoPass => {
remove_hooks.push(*hook_id);
if weight != NO_HOOK_WEIGHT {
call_release_method = false;
}
},
}
}
} else {
unreachable!()
}
}
for (weight, (hook_id, hook)) in call_focus_lost_on {
let hook_target = match hook.target_wk.upgrade() {
Some(some) => some,
None => {
remove_hooks.push(*hook_id);
continue;
},
};
if let HookState::FocusLost {
method, ..
} = &mut hook.state
{
match method(hook_target, window_state) {
InputHookCtrl::Retain => (),
InputHookCtrl::RetainNoPass => {
if weight != NO_HOOK_WEIGHT {
break;
}
},
InputHookCtrl::Remove => {
remove_hooks.push(*hook_id);
},
InputHookCtrl::RemoveNoPass => {
remove_hooks.push(*hook_id);
if weight != NO_HOOK_WEIGHT {
break;
}
},
}
} else {
unreachable!()
}
}
}
if let Some(new_bin_id) = new_bin_id_op {
let mut call_focus_on: Vec<_> = hooks
.iter_mut()
.filter_map(|(hook_id, hook)| {
if hook.is_for_bin_id(new_bin_id) {
if let HookState::Focus {
weight, ..
} = &hook.state
{
Some((*weight, (hook_id, hook)))
} else {
None
}
} else {
None
}
})
.collect();
call_focus_on.sort_by_key(|(weight, _)| Reverse(*weight));
for (weight, (hook_id, hook)) in call_focus_on {
let hook_target = match hook.target_wk.upgrade() {
Some(some) => some,
None => {
remove_hooks.push(*hook_id);
continue;
},
};
if let HookState::Focus {
method, ..
} = &mut hook.state
{
match method(hook_target, window_state) {
InputHookCtrl::Retain => (),
InputHookCtrl::RetainNoPass => {
if weight != NO_HOOK_WEIGHT {
break;
}
},
InputHookCtrl::Remove => {
remove_hooks.push(*hook_id);
},
InputHookCtrl::RemoveNoPass => {
remove_hooks.push(*hook_id);
if weight != NO_HOOK_WEIGHT {
break;
}
},
}
}
}
}
for hook_id in remove_hooks {
hooks.remove(&hook_id);
}
}