hookmap 0.5.1

Registers hotkeys and simulates keyboard and mouse input.
Documentation 
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use hookmap_core::button::{Button, ButtonAction};
use hookmap_core::event::{ButtonEvent, CursorEvent, WheelEvent};

use super::hook::{ButtonHook, HotkeyHook, MouseHook, RemapHook};
use crate::hook::{ButtonState, HookStorage};
use std::{collections::HashMap, sync::Arc};

#[derive(Debug, Default)]
pub(super) struct HotkeyStorage {
    remap: HashMap<Button, Vec<Arc<RemapHook>>>,
    hotkey_on_press: HashMap<Button, Vec<Arc<HotkeyHook>>>,
    hotkey_on_release: HashMap<Button, Vec<Arc<HotkeyHook>>>,
    mouse_cursor: Vec<Arc<MouseHook<CursorEvent>>>,
    mouse_wheel: Vec<Arc<MouseHook<WheelEvent>>>,
}

impl HotkeyStorage {
    fn fetch_mouse_hook<E, S: ButtonState>(
        hooks: &[Arc<MouseHook<E>>],
        state: &S,
    ) -> Vec<Arc<MouseHook<E>>> {
        hooks
            .iter()
            .filter(|hook| hook.is_executable(state))
            .map(|hook| Arc::clone(hook))
            .collect()
    }

    pub(super) fn register_remap(&mut self, target: Button, hook: Arc<RemapHook>) {
        self.remap.entry(target).or_default().push(hook);
    }

    pub(super) fn register_hotkey_on_press(&mut self, target: Button, hook: Arc<HotkeyHook>) {
        self.hotkey_on_press.entry(target).or_default().push(hook);
    }

    pub(super) fn register_hotkey_on_release(&mut self, target: Button, hook: Arc<HotkeyHook>) {
        self.hotkey_on_release.entry(target).or_default().push(hook);
    }

    pub(super) fn register_mouse_cursor_hotkey(&mut self, hook: Arc<MouseHook<CursorEvent>>) {
        self.mouse_cursor.push(hook);
    }

    pub(super) fn register_mouse_wheel_hotkey(&mut self, hook: Arc<MouseHook<WheelEvent>>) {
        self.mouse_wheel.push(hook);
    }
}

impl HookStorage for HotkeyStorage {
    type ButtonHook = ButtonHook;
    type MouseCursorHook = Arc<MouseHook<CursorEvent>>;
    type MouseWheelHook = Arc<MouseHook<WheelEvent>>;

    fn fetch_button_hook<S: ButtonState>(&self, event: ButtonEvent, state: &S) -> Vec<ButtonHook> {
        let remap_hook = self
            .remap
            .get(&event.target)
            .and_then(|hooks| hooks.iter().find(|hook| hook.is_executable(state)));
        if let Some(hook) = remap_hook {
            let hook = ButtonHook::from(Arc::clone(hook));
            return vec![hook];
        }

        let hotkey_map = match event.action {
            ButtonAction::Press => &self.hotkey_on_press,
            ButtonAction::Release => &self.hotkey_on_release,
        };
        hotkey_map
            .get(&event.target)
            .into_iter()
            .flatten()
            .filter(|hook| hook.is_executable(state))
            .map(|hook| ButtonHook::from(Arc::clone(hook)))
            .collect()
    }

    fn fetch_mouse_cursor_hook<S: ButtonState>(
        &self,
        _: CursorEvent,
        state: &S,
    ) -> Vec<Arc<MouseHook<CursorEvent>>> {
        Self::fetch_mouse_hook(&self.mouse_cursor, state)
    }

    fn fetch_mouse_wheel_hook<S: ButtonState>(
        &self,
        _: WheelEvent,
        state: &S,
    ) -> Vec<Arc<MouseHook<WheelEvent>>> {
        Self::fetch_mouse_hook(&self.mouse_wheel, state)
    }
}