Changed listener to work with mpsc
This commit is contained in:
Jonas Frei
parent
caa746575c
commit
e797bd871a
105
src/ipc.rs
105
src/ipc.rs
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@ -1,11 +1,12 @@
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use serde_json::{self, Value};
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use std::collections::HashMap;
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use std::error::Error;
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use std::io::prelude::*;
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use std::io::BufReader;
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use std::io::prelude::*;
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use std::iter::Iterator;
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use std::os::unix::net::UnixStream;
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use std::net::Shutdown;
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use std::iter::Iterator;
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use std::collections::HashMap;
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use serde_json::{self, Value};
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use std::sync::mpsc::Sender;
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#[derive(Debug)]
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pub struct PlaylistEntry {
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@ -284,6 +285,26 @@ pub fn run_mpv_command(socket: &str, command: &str, args: &Vec<&str>) -> Result<
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}
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}
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pub fn observe_mpv_property(socket: &str, id: &usize, property: &str) -> Result<(), String> {
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let ipc_string = format!("{{ \"command\": [\"observe_property\", {}, \"{}\"] }}\n",
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id,
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property);
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match serde_json::from_str::<Value>(&send_command_sync(socket, &ipc_string)) {
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Ok(feedback) => {
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if let Value::String(ref error) = feedback["error"] {
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if error == "success" {
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Ok(())
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} else {
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Err(error.to_string())
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}
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} else {
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Err("Unexpected result received".to_string())
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}
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}
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Err(why) => Err(why.description().to_string()),
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}
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}
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/// #Description
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///
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/// Listens on socket <socket> for events and prints them in real-time to stdout.
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@ -293,83 +314,29 @@ pub fn run_mpv_command(socket: &str, command: &str, args: &Vec<&str>) -> Result<
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/// ```
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/// listen("/tmp/mpvsocket");
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/// ```
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pub fn listen(socket: &str) {
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pub fn listen(socket: &str, tx: &Sender<String>) {
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match UnixStream::connect(socket) {
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Ok(stream) => {
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let mut response = String::new();
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let mut reader = BufReader::new(&stream);
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loop {
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reader.read_line(&mut response).unwrap();
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match serde_json::from_str::<Value>(&response) {
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Ok(e) => {
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if let Value::String(ref name) = e["event"] {
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println!("{}", name);
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}
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reader.read_line(&mut response).unwrap();
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match serde_json::from_str::<Value>(&response) {
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Ok(e) => {
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if let Value::String(ref name) = e["event"] {
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tx.send(name.to_string()).unwrap();
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}
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Err(why) => panic!("{}", why.description().to_string()),
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}
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response.clear();
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Err(why) => panic!("{}", why.description().to_string()),
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}
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response.clear();
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stream
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.shutdown(Shutdown::Both)
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.expect("shutdown function failed");
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}
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Err(why) => panic!("Error: Could not connect to socket: {}", why.description()),
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}
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}
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/// #Description
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///
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/// Listens on socket <socket> for events quits as soon as event <event> occurs.
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///
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/// #Example
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/// ```
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/// wait_for_event("/tmp/mpvsocket", "pause");
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/// ```
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pub fn wait_for_event(socket: &str, event: &str) {
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match UnixStream::connect(socket) {
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Ok(stream) => {
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let mut response = String::new();
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let mut reader = BufReader::new(&stream);
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loop {
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reader.read_line(&mut response).unwrap();
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match serde_json::from_str::<Value>(&response) {
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Ok(e) => {
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if let Value::String(ref name) = e["event"] {
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if name.as_str() == event {
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break;
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}
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}
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}
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Err(why) => panic!("{}", why.description().to_string()),
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}
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response.clear();
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}
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stream.shutdown(Shutdown::Both).expect("socket shutdown");
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}
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Err(why) => panic!("Error: Could not connect to socket: {}", why.description()),
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}
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}
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// pub fn observe_property(socket: &str, property: &str) -> String {
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// match UnixStream::connect(socket) {
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// Ok(mut stream) => {
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// let command = format!("{{ \"command\": [\"observe_property\", 1, \"{}\"] }}\n",
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// property);
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// match stream.write_all(command.as_bytes()) {
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// Err(why) => error!("Error: Could not write to socket: {}", why.description()),
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// Ok(_) => {
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// let mut response = String::new();
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// let mut reader = BufReader::new(&stream);
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// loop {
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// reader.read_line(&mut response).unwrap();
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// println!("{}", response);
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// response.clear();
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// }
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// }
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// }
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// }
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// Err(why) => error!("Error: Could not connect to socket: {}", why.description()),
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// }
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// }
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fn send_command_sync(socket: &str, command: &str) -> String {
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match UnixStream::connect(socket) {
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Ok(mut stream) => {
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190
src/lib.rs
190
src/lib.rs
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@ -3,8 +3,10 @@ extern crate serde_json;
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pub mod ipc;
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use std::collections::HashMap;
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use ipc::*;
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use std::collections::HashMap;
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use std::sync::mpsc::Sender;
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pub type Socket = String;
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@ -192,46 +194,6 @@ impl PlaylistHandler for Playlist {
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pub trait Commands {
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fn get_metadata(&self) -> Result<HashMap<String, String>, String>;
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fn get_playlist(&self) -> Result<Playlist, String>;
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fn get_property<T: GetPropertyTypeHandler>(&self, property: &str) -> Result<T, String>;
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fn get_property_string(&self, property: &str) -> Result<String, String>;
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fn kill(&self) -> Result<(), String>;
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fn next(&self) -> Result<(), String>;
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fn pause(&self) -> Result<(), String>;
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fn playlist_add(&self, file: &str, option: PlaylistAddOptions) -> Result<(), String>;
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fn playlist_clear(&self) -> Result<(), String>;
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fn playlist_move_id(&self, from: usize, to: usize) -> Result<(), String>;
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fn playlist_play_id(&self, id: usize) -> Result<(), String>;
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fn playlist_play_next(&self, id: usize) -> Result<(), String>;
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fn playlist_shuffle(&self) -> Result<(), String>;
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fn playlist_remove_id(&self, id: usize) -> Result<(), String>;
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fn prev(&self) -> Result<(), String>;
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fn restart(&self) -> Result<(), String>;
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fn run_command(&self, command: &str, args: &Vec<&str>) -> Result<(), String>;
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fn seek(&self, seconds: f64, option: SeekOptions) -> Result<(), String>;
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fn set_loop_file(&self, option: Switch) -> Result<(), String>;
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fn set_loop_playlist(&self, option: Switch) -> Result<(), String>;
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fn set_mute(&self, option: Switch) -> Result<(), String>;
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fn set_property<T: SetPropertyTypeHandler<T>>(&self,
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property: &str,
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value: T)
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-> Result<(), String>;
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fn set_speed(&self, input_volume: f64, option: NumberChangeOptions) -> Result<(), String>;
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fn set_volume(&self, input_volume: f64, option: NumberChangeOptions) -> Result<(), String>;
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fn stop(&self) -> Result<(), String>;
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fn toggle(&self) -> Result<(), String>;
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}
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impl Commands for Socket {
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fn get_metadata(&self) -> Result<HashMap<String, String>, String> {
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match get_mpv_property(self, "metadata") {
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Ok(map) => Ok(map),
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Err(err) => Err(err),
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}
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}
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fn get_playlist(&self) -> Result<Playlist, String> {
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Playlist::get_from(self.to_string())
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}
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/// #Description
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///
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@ -254,9 +216,7 @@ impl Commands for Socket {
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/// let paused: bool = mpv.get_property("pause").unwrap();
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/// let title: String = mpv.get_property("media-title").unwrap();
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/// ```
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fn get_property<T: GetPropertyTypeHandler>(&self, property: &str) -> Result<T, String> {
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T::get_property_generic(self, property)
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}
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fn get_property<T: GetPropertyTypeHandler>(&self, property: &str) -> Result<T, String>;
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/// #Description
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///
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@ -274,29 +234,21 @@ impl Commands for Socket {
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/// let mpv: Socket = String::from(matches.value_of("socket").unwrap());
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/// let title = mpv.get_property_string("media-title").unwrap();
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/// ```
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fn get_property_string(&self, property: &str) -> Result<String, String> {
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get_mpv_property_string(self, property)
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}
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fn kill(&self) -> Result<(), String> {
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run_mpv_command(self, "quit", &vec![])
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}
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fn next(&self) -> Result<(), String> {
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run_mpv_command(self, "playlist-next", &vec![])
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}
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fn pause(&self) -> Result<(), String> {
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set_mpv_property(self, "pause", true)
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}
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fn prev(&self) -> Result<(), String> {
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run_mpv_command(self, "playlist-prev", &vec![])
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}
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fn restart(&self) -> Result<(), String> {
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run_mpv_command(self, "seek", &vec!["0", "absolute"])
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}
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fn get_property_string(&self, property: &str) -> Result<String, String>;
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fn kill(&self) -> Result<(), String>;
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fn listen(&self, tx: &Sender<String>);
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fn next(&self) -> Result<(), String>;
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fn observe_property(&self, id: &usize, property: &str) -> Result<(), String>;
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fn pause(&self) -> Result<(), String>;
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fn playlist_add(&self, file: &str, option: PlaylistAddOptions) -> Result<(), String>;
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fn playlist_clear(&self) -> Result<(), String>;
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fn playlist_move_id(&self, from: usize, to: usize) -> Result<(), String>;
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fn playlist_play_id(&self, id: usize) -> Result<(), String>;
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fn playlist_play_next(&self, id: usize) -> Result<(), String>;
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fn playlist_shuffle(&self) -> Result<(), String>;
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fn playlist_remove_id(&self, id: usize) -> Result<(), String>;
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fn prev(&self) -> Result<(), String>;
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fn restart(&self) -> Result<(), String>;
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/// #Description
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///
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@ -312,6 +264,90 @@ impl Commands for Socket {
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/// //Run command 'seek' which in this case takes two arguments
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/// mpv.run_command("seek", &vec!["0", "absolute"]);
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/// ```
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fn run_command(&self, command: &str, args: &Vec<&str>) -> Result<(), String>;
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fn seek(&self, seconds: f64, option: SeekOptions) -> Result<(), String>;
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fn set_loop_file(&self, option: Switch) -> Result<(), String>;
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fn set_loop_playlist(&self, option: Switch) -> Result<(), String>;
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fn set_mute(&self, option: Switch) -> Result<(), String>;
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/// #Description
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///
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/// Sets the mpv property _<property>_ to _<value>_.
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///
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/// ##Supported types
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/// - String
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/// - bool
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/// - f64
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/// - usize
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///
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/// ##Input arguments
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///
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/// - **property** defines the mpv property that should be retrieved
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/// - **value** defines the value of the given mpv property _<property>_
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///
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/// #Example
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/// ```
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/// let mpv: Socket = String::from(matches.value_of("socket").unwrap());
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/// mpv.set_property("pause", true);
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/// ```
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fn set_property<T: SetPropertyTypeHandler<T>>(&self,
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property: &str,
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value: T)
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-> Result<(), String>;
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fn set_speed(&self, input_volume: f64, option: NumberChangeOptions) -> Result<(), String>;
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fn set_volume(&self, input_volume: f64, option: NumberChangeOptions) -> Result<(), String>;
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fn stop(&self) -> Result<(), String>;
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fn toggle(&self) -> Result<(), String>;
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}
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impl Commands for Socket {
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fn get_metadata(&self) -> Result<HashMap<String, String>, String> {
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match get_mpv_property(self, "metadata") {
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Ok(map) => Ok(map),
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Err(err) => Err(err),
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}
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}
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fn get_playlist(&self) -> Result<Playlist, String> {
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Playlist::get_from(self.to_string())
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}
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fn get_property<T: GetPropertyTypeHandler>(&self, property: &str) -> Result<T, String> {
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T::get_property_generic(self, property)
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}
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fn get_property_string(&self, property: &str) -> Result<String, String> {
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get_mpv_property_string(self, property)
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}
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fn kill(&self) -> Result<(), String> {
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run_mpv_command(self, "quit", &vec![])
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}
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fn listen(&self, tx: &Sender<String>) {
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listen(self, tx);
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}
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fn next(&self) -> Result<(), String> {
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run_mpv_command(self, "playlist-next", &vec![])
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}
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fn observe_property(&self, id: &usize, property: &str) -> Result<(), String> {
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observe_mpv_property(self, id, property)
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}
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fn pause(&self) -> Result<(), String> {
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set_mpv_property(self, "pause", true)
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}
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fn prev(&self) -> Result<(), String> {
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run_mpv_command(self, "playlist-prev", &vec![])
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}
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fn restart(&self) -> Result<(), String> {
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run_mpv_command(self, "seek", &vec!["0", "absolute"])
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}
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fn run_command(&self, command: &str, args: &Vec<&str>) -> Result<(), String> {
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run_mpv_command(self, command, args)
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}
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@ -451,26 +487,6 @@ impl Commands for Socket {
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set_mpv_property(self, "mute", enabled)
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}
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/// #Description
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///
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/// Sets the mpv property _<property>_ to _<value>_.
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///
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/// ##Supported types
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/// - String
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/// - bool
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/// - f64
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/// - usize
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///
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/// ##Input arguments
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///
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/// - **property** defines the mpv property that should be retrieved
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/// - **value** defines the value of the given mpv property _<property>_
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///
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/// #Example
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/// ```
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/// let mpv: Socket = String::from(matches.value_of("socket").unwrap());
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/// mpv.set_property("pause", true);
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/// ```
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fn set_property<T: SetPropertyTypeHandler<T>>(&self,
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property: &str,
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value: T)
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