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use crate::{content, message::*, style, subscribe_irc, util};
use iced::{
button, pane_grid, text_input, Align, Application, Button, Clipboard, Column, Command,
Container, Element, Length, PaneGrid, Row, Subscription, Text, TextInput,
};
use serde::{Deserialize, Serialize};
use irc::client::prelude::{Client, Config};
use std::{collections::HashMap, sync::Arc};
#[derive(Debug, Clone)]
pub struct State {
input_state: text_input::State,
input_value: String,
connecting_flag: bool,
display_value: String,
channel_texts: HashMap<String, String>,
saving: bool,
dirty: bool,
current_channel: String,
show_channels: Vec<String>,
config: Config,
irc_button_state: button::State,
post_button_state: button::State,
sender: Option<Arc<futures::lock::Mutex<irc::client::Sender>>>,
panes: pane_grid::State<content::Content>,
panes_created: usize,
focus: Option<pane_grid::Pane>,
client_stream: Option<Arc<futures::lock::Mutex<irc::client::ClientStream>>>,
}
impl Default for State {
fn default() -> Self {
let show_channels = vec!["Setting".to_string()];
let (panes, _) = pane_grid::State::new(content::Content::new(0, &show_channels));
Self {
input_state: text_input::State::new(),
input_value: String::from(""),
connecting_flag: false,
display_value: String::from(""),
channel_texts: HashMap::new(),
saving: true,
dirty: true,
current_channel: String::from("Setting"),
show_channels: show_channels,
config: Config::default(),
irc_button_state: button::State::new(),
post_button_state: button::State::new(),
sender: None,
panes: panes,
panes_created: 1,
focus: None,
client_stream: None,
}
}
}
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct SavedState {
pub nickname: String,
pub username: String,
pub realname: String,
pub server: String,
pub port: u16,
pub use_tls: bool,
pub encoding: String,
pub channels: Vec<String>,
pub current_channel: String,
}
#[cfg(not(target_arch = "wasm32"))]
impl SavedState {
async fn load() -> Result<SavedState, LoadError> {
use async_std::prelude::*;
let mut contents = String::new();
let mut file = async_std::fs::File::open("setting.json")
.await
.map_err(|_| LoadError::FileError)?;
file.read_to_string(&mut contents)
.await
.map_err(|_| LoadError::FileError)?;
serde_json::from_str(&contents).map_err(|_| LoadError::FormatError)
}
}
#[derive(Debug, Clone)]
pub enum LoadError {
FileError,
FormatError,
}
#[derive(Debug, Clone)]
pub enum SaveError {
DirectoryError,
FileError,
WriteError,
FormatError,
}
#[derive(Debug, Clone)]
pub enum IrcError {
IrcError,
}
pub struct IrcClient {
client_stream: irc::client::ClientStream,
sender: irc::client::Sender,
}
impl IrcClient {
async fn get_client(state: &mut State) -> Result<IrcClient, failure::Error> {
let mut client = Client::from_config(state.config.clone()).await?;
client.identify()?;
Ok(IrcClient {
client_stream: client.stream()?,
sender: client.sender(),
})
}
}
pub enum App {
Loading,
Loaded(State),
IrcConnecting(State),
IrcFinished(State),
}
impl Application for App {
type Executor = iced::executor::Default;
type Message = Message;
type Flags = ();
fn new(_flags: ()) -> (App, Command<Self::Message>) {
(
App::Loading,
Command::perform(SavedState::load(), Message::Loaded),
)
}
fn title(&self) -> String {
String::from("Gelato")
}
fn update(
&mut self,
message: Self::Message,
_clipboard: &mut Clipboard,
) -> Command<Self::Message> {
match self {
App::Loading => {
match message {
Message::Loaded(Ok(_saved_state)) => {
let config = Config {
username: Some(_saved_state.username),
nickname: Some(_saved_state.nickname),
realname: Some(_saved_state.realname),
server: Some(_saved_state.server),
port: Some(_saved_state.port),
use_tls: Some(_saved_state.use_tls),
encoding: Some(_saved_state.encoding),
channels: _saved_state.channels,
..Default::default()
};
let state = State {
config: config,
current_channel: _saved_state.current_channel,
..Default::default()
};
*self = App::Loaded(state);
}
Message::Loaded(Err(_)) => {
println!("gelato couldn't find setting.json");
*self = App::Loaded(State::default());
}
_ => {}
}
Command::none()
}
App::Loaded(state) => {
let mut saved = false;
let mut ircflag = false;
match message {
Message::Saved(_) => {
state.saving = false;
saved = true;
}
Message::IrcStart => {
ircflag = true;
}
_ => {}
}
if !saved {
state.dirty = true;
}
if state.dirty && !state.saving {
state.dirty = false;
state.saving = true;
} else if ircflag {
let mut current_state = state.clone();
futures::executor::block_on(async {
let irc_client_struct = IrcClient::get_client(&mut current_state)
.await
.expect("get_client()");
current_state.client_stream = Some(Arc::new(futures::lock::Mutex::new(
irc_client_struct.client_stream,
)));
current_state.sender = Some(Arc::new(futures::lock::Mutex::new(
irc_client_struct.sender,
)));
});
*self = App::IrcConnecting(current_state);
}
Command::none()
}
App::IrcConnecting(state) => {
state.connecting_flag = true;
state.show_channels.append(&mut state.config.channels);
let mut irc_finished = false;
let mut posted = false;
let mut input_word = String::from("");
match message {
Message::IrcProgressed(progress_state) => match progress_state {
subscribe_irc::Progress::Advanced(message_text) => {
util::filter(&message_text, &mut state.channel_texts);
}
subscribe_irc::Progress::Finished => {
irc_finished = true;
}
subscribe_irc::Progress::Errored => {
irc_finished = true;
}
_ => {}
},
Message::IrcFinished(_) => {
irc_finished = true;
state.connecting_flag = false;
}
Message::InputChanged(value) => {
state.input_value = value;
}
Message::PostMessage => {
posted = true;
input_word.push_str(&state.input_value.clone());
state.input_value = String::from("");
}
Message::Split(axis, pane) => {
let result = state.panes.split(
axis,
&pane,
content::Content::new(state.panes_created, &state.show_channels),
);
if let Some((pane, _)) = result {
state.focus = Some(pane);
if let Some(pstate) = state.panes.get(&pane) {
state.current_channel = pstate.channel_name.clone();
}
}
state.panes_created += 1;
}
Message::SplitFocused(axis) => {
if let Some(pane) = state.focus {
let result = state.panes.split(
axis,
&pane,
content::Content::new(state.panes_created, &state.show_channels),
);
if let Some((pane, _)) = result {
state.focus = Some(pane);
if let Some(pstate) = state.panes.get(&pane) {
state.current_channel = pstate.channel_name.clone();
}
}
state.panes_created += 1;
}
}
Message::FocusAdjacent(direction) => {
if let Some(pane) = state.focus {
if let Some(adjacent) = state.panes.adjacent(&pane, direction) {
state.focus = Some(adjacent);
if let Some(pstate) = state.panes.get(&pane) {
state.current_channel = pstate.channel_name.clone();
}
}
}
}
Message::Clicked(pane) => {
state.focus = Some(pane);
if let Some(pstate) = state.panes.get(&pane) {
state.current_channel = pstate.channel_name.clone();
}
}
Message::Resized(pane_grid::ResizeEvent { split, ratio }) => {
state.panes.resize(&split, ratio);
}
Message::Dragged(pane_grid::DragEvent::Dropped { pane, target }) => {
state.panes.swap(&pane, &target);
}
Message::Dragged(_) => {}
Message::Close(pane) => {
if let Some((_, sibling)) = state.panes.close(&pane) {
state.focus = Some(sibling);
if let Some(pstate) = state.panes.get(&sibling) {
state.current_channel = pstate.channel_name.clone();
}
}
}
Message::CloseFocused => {
if let Some(pane) = state.focus {
if let Some((_, sibling)) = state.panes.close(&pane) {
state.focus = Some(sibling);
if let Some(pstate) = state.panes.get(&sibling) {
state.current_channel = pstate.channel_name.clone();
}
}
}
}
_ => {}
}
if posted && !input_word.is_empty() {
let sender_original =
Arc::clone(&state.sender.as_ref().expect("sender_original error"));
let channel = state.current_channel.clone();
let dummy = String::new();
let channel_texts = state.channel_texts.clone();
let input_text = channel_texts.get(&channel).unwrap_or(&dummy);
let nickname = state.config.username();
&state.channel_texts.insert(
channel.clone(),
input_text.clone() + nickname + " " + &input_word + "\n",
);
let call = async move {
let sender = sender_original.lock().await;
(*sender)
.send_privmsg(channel, input_word)
.expect("call async move send_privmsg");
};
Command::perform(call, Message::None)
} else if irc_finished {
*self = App::IrcFinished(state.clone());
Command::perform(Message::change(), Message::IrcFinished)
} else {
Command::none()
}
}
App::IrcFinished(state) => {
*self = App::Loaded(state.clone());
Command::none()
}
}
}
fn subscription(&self) -> Subscription<Message> {
match self {
App::IrcConnecting(State { client_stream, .. }) => {
let client_stream = client_stream.as_ref();
subscribe_irc::input(client_stream, "").map(Message::IrcProgressed)
}
_ => Subscription::none(),
}
}
fn view(&mut self) -> Element<Self::Message> {
match self {
App::Loading => util::loading_panel(),
App::Loaded(state) => {
let label_username = state.config.username.as_ref().expect("label_username");
let app_loaded_col = Column::new()
.push(Text::new("Settings").size(50))
.push(Text::new(label_username))
.push(Text::new(state.config.server.as_ref().expect("server")))
.push(Text::new(
state.config.port.as_ref().expect("port").to_string(),
))
.push(Text::new(state.current_channel.to_string()))
.push(
Button::new(&mut state.irc_button_state, Text::new("Connect"))
.on_press(Message::IrcStart)
.style(style::Button::Post),
);
Container::new(app_loaded_col)
.width(Length::Fill)
.height(Length::Fill)
.into()
}
App::IrcConnecting(state) | App::IrcFinished(state) => {
let start_irc_button_control: Element<_> = {
let (label, toggle, style) = if state.connecting_flag {
(
"Stop IRC",
Message::IrcFinished(Ok(())),
style::Button::Stop,
)
} else {
("Start IRC", Message::IrcStart, style::Button::Start)
};
Button::new(&mut state.irc_button_state, Text::new(label).size(25))
.style(style)
.on_press(toggle)
.into()
};
let post_button: Element<_> = {
let (label, toggle, style) =
("Post", Message::PostMessage, style::Button::Post);
Button::new(&mut state.post_button_state, Text::new(label).size(25))
.style(style)
.on_press(toggle)
.into()
};
let input_box = TextInput::new(
&mut state.input_state,
"Input text...",
&state.input_value,
Message::InputChanged,
)
.padding(10)
.size(15)
.on_submit(Message::PostMessage);
let content2 = Column::new()
.padding(10)
.spacing(10)
.align_items(Align::Start)
.push(
Row::new()
.push(input_box)
.push(post_button)
.push(start_irc_button_control),
);
let focus = state.focus;
let total_panes = state.panes.len();
let channel_texts = state.channel_texts.clone();
let pane_grid = PaneGrid::new(&mut state.panes, |pane, content| {
let is_focused = focus == Some(pane);
let dummy = String::new();
let text = channel_texts.get(&content.channel_name).unwrap_or(&dummy);
let title = Row::with_children(vec![Text::new(content.channel_name.clone())
.size(18)
.into()])
.spacing(3);
let title_bar = pane_grid::TitleBar::new(title)
.padding(2)
.style(style::TitleBar { is_focused });
pane_grid::Content::new(content.view(pane, total_panes, text.to_string()))
.title_bar(title_bar)
.style(style::Pane { is_focused })
})
.width(Length::Fill)
.height(Length::Fill)
.spacing(5)
.on_click(Message::Clicked)
.on_drag(Message::Dragged)
.on_resize(10, Message::Resized);
let container = Column::new().spacing(1).push(pane_grid).push(content2);
Container::new(container)
.width(Length::FillPortion(2))
.height(Length::Fill)
.into()
}
}
}
}