Deleted deprecated event handler
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1 changed files with 0 additions and 196 deletions
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@ -1,196 +0,0 @@
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use std::{rc::Rc, cell::{RefCell, Cell}, borrow::Borrow};
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use crate::{logging::{self, Logger}, info};
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use mpv_client::{Handle, Event, Property, Format, mpv_handle, ClientMessage};
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pub mod events;
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use events::{MpvEvent, Listener, FileInfo, FileMetadata};
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const NAME_PAUSE_PROP: &str = "pause";
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const REPL_PAUSE_PROP: u64 = 1;
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pub struct MpvEventHandler {
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listening: bool,
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mpv: Handle,
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listener: Box<dyn Listener>,
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logger: Rc<Logger>
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}
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impl MpvEventHandler {
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pub fn new(mpv: Handle, listener: Box<dyn Listener>, logger: Rc<Logger>) -> Result<Self, String> {
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let mpv = Cell::new(mpv);
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let listener = Cell::new(listener);
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let new_self = Self {
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listening: false,
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mpv,
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listener,
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logger
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};
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new_self.initialize()?;
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Ok(new_self)
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}
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pub fn from_ptr<'a>(handle: *mut mpv_handle, listener: Box<dyn Listener>, logger: Rc<Logger>) -> Result<Self, String> {
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MpvEventHandler::new(Handle::from_ptr(handle), listener, logger)
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}
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pub fn run(self) {
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logging::info!(self.logger, "Starting mpv-rpc");
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logging::info!(self.logger, "Client name: {}", self.mpv.borrow().as_ptr().cl);
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while self.poll_events() {
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// Wait for shutdown
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}
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if self.listening {
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self.listener.get_mut().close();
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}
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}
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fn initialize(&self) -> Result<(), String> {
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self.observe_property(REPL_PAUSE_PROP, NAME_PAUSE_PROP, bool::MPV_FORMAT)
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}
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fn observe_property(&self, id: u64, name: &str, format: i32) -> Result<(), String>{
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match self.mpv.observe_property(id, name, format) {
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Ok(_) => Ok(()),
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Err(_) => Err(format!("Couldn't observe property: {name} (id: {id})"))
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}
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}
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fn get_event(&self) -> Event {
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self.mpv.wait_event(0.0)
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}
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fn poll_events(&self) -> bool {
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let event = self.mpv.wait_event(0.0);
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let result = match event {
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Event::None => Ok(()),
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Event::Shutdown => return false,
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event => self.handle_event(event)
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};
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if let Err(e) = result {
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logging::error!(self.logger, "Error handling event: {e}");
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}
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true
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}
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fn handle_event(&self, event: Event) -> Result<(), &'static str> {
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logging::info!(self.logger, "Event: {event}");
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if let Event::ClientMessage(message) = event {
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return self.handle_client_message(message);
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}
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if self.listening {
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match event {
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Event::PropertyChange(prop_id, prop) => self.send_property_to_listener(prop_id, prop),
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e => self.send_event_to_listener(e)
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}
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}
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else {
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Ok(())
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}
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}
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fn send_event_to_listener(&self, event: Event) -> Result<(), &'static str>{
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match event {
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Event::FileLoaded => self.send_file_info(),
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Event::PlaybackRestart => self.send_seek(),
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_ => Ok(())
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}
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}
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fn send_property_to_listener(&self, prop_id: u64, prop: Property) -> Result<(), &'static str> {
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logging::info!(self.logger, "Property changed: {prop_id}");
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match prop_id {
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REPL_PAUSE_PROP => {
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match prop.data() {
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Some(pause) => self.send_pause(pause),
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None => Err("property pause doesn't exist")
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}
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}
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_ => Ok(())
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}
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}
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fn send_file_info(&self) -> Result<(), &'static str> {
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let filename_res = self.mpv.get_property("filename");
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let artist = self.mpv.get_property("metadata/by-key/artist").ok();
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let album = self.mpv.get_property("metadata/by-key/album").ok();
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let title = self.mpv.get_property("metadata/by-key/title").ok();
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let track = self.mpv.get_property("metadata/by-key/track").ok();
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let filename = match filename_res {
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Ok(name) => name,
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Err(_) => return Err("filename property doesn't exist")
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};
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let metadata = FileMetadata {
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artist,
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album,
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title,
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track
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};
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let file_info = FileInfo {
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filename,
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metadata
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};
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let event = MpvEvent::FileLoaded(file_info);
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self.listener.get_mut().handle_event(event)
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}
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fn send_seek(&self) -> Result<(), &'static str>{
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let remaining_time = self.mpv.get_property("time-remaining").unwrap_or_else(|_| {
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logging::warning!(self.logger, "Failed retrieving remaing-time.");
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logging::warning!(self.logger, "This usually happens seeking into file end. Possibly mpv bug?");
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logging::warning!(self.logger, "Defaulting to 0.");
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0
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});
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let event = MpvEvent::Seek(remaining_time);
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self.listener.get_mut().handle_event(event)
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}
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fn send_pause(&self, pause: bool) -> Result<(), &'static str> {
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let event = match pause {
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false => MpvEvent::Play,
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true => MpvEvent::Pause
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};
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self.listener.get_mut().handle_event(event)
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}
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fn toggle_listening(&self) -> Result<(), &'static str> {
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let new_state = !self.listening;
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let mut listener_ref = self.listener.get_mut();
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let res = match new_state {
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true => listener_ref.open(),
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false => listener_ref.close()
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};
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match res {
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Ok(()) => self.listening = true,
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Err(e) => return Err(e)
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}
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Ok(())
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}
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fn handle_client_message(&self, message: ClientMessage) -> Result<(), &'static str> {
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let command = message.args().join(" ");
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logging::info!(self.logger, "Client message: {command}");
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if command.starts_with("key-binding toggle-rpc d-") {
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self.toggle_listening()
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}
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else {
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Ok(())
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}
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}
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}
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