Add UI logging output to RustIced sample

samples/RustIced/Cargo.lock

@@ -3698,6 +3698,7 @@ dependencies = [
  "async-std",
  "directories-next",
  "iced",
+ "log",
  "once_cell",
  "serde",
  "serde_json",

samples/RustIced/Cargo.toml

@@ -15,3 +15,4 @@ uuid = { version = "1.0", features = ["v4", "fast-rng", "serde"] }
 directories-next = "2.0"
 tracing-subscriber = "0.3"
 velopack = { path = "../../src/lib-rust", features = ["async"] }
+log = "0.4"

samples/RustIced/src/logger.rs

@@ -0,0 +1,55 @@
+use crate::{AppState, Message};
+use iced::futures::{channel::mpsc, sink::SinkExt, StreamExt};
+use iced::{stream, Subscription};
+use log::{Level, Log, Metadata, Record};
+use std::sync::Mutex;
+
+static LOG_RECEIVER: Mutex<Option<mpsc::UnboundedReceiver<String>>> = Mutex::new(None);
+
+pub struct IcedLogger {
+    sender: mpsc::UnboundedSender<String>,
+}
+
+impl IcedLogger {
+    pub fn init()
+    {
+        let (sender, receiver) = mpsc::unbounded();
+        log::set_boxed_logger(Box::new(IcedLogger { sender })).unwrap();
+        log::set_max_level(log::LevelFilter::Info);
+
+        let mut log_receiver = LOG_RECEIVER.lock().unwrap();
+        *log_receiver = Some(receiver);
+    }
+
+    fn take_receiver() -> mpsc::UnboundedReceiver<String> {
+        let mut log_receiver = LOG_RECEIVER.lock().unwrap();
+        log_receiver.take().unwrap()
+    }
+
+    pub fn subscription(_: &AppState) -> Subscription<Message> {
+        Subscription::run(|| {
+            let mut log_receiver = Self::take_receiver();
+            stream::channel(100, |mut output| async move {
+                loop {
+                    let message = log_receiver.select_next_some().await;
+                    let _ = output.send(Message::LogReceived(message)).await;
+                }
+            })
+        })
+    }
+}
+
+impl Log for IcedLogger {
+    fn enabled(&self, metadata: &Metadata) -> bool {
+        metadata.level() <= Level::Info
+    }
+
+    fn log(&self, record: &Record) {
+        if self.enabled(record.metadata()) {
+            let log_msg = format!("{}", record.args());
+            let _ = self.sender.unbounded_send(log_msg);
+        }
+    }
+
+    fn flush(&self) {}
+}

samples/RustIced/src/main.rs

@@ -1,7 +1,10 @@
 #![windows_subsystem = "windows"]
-use anyhow::Result;
-use iced::widget::{Button, Column, Text};
 
+mod logger;
+
+use anyhow::Result;
+use iced::widget::{button, column, container, scrollable, text, vertical_space};
+use iced::Task;
 use velopack::*;
 
 #[derive(Debug, Clone)]
@@ -12,18 +15,45 @@ pub enum Message {
     DownloadProgress(i16),
     DownloadComplete,
     Restart,
+    LogReceived(String),
 }
 
-pub struct GUI {
+pub struct AppState {
     update_manager: Option<UpdateManager>,
-    state: GUIState,
+    status: AppStatus,
     current_version: Option<String>,
     update_info: Option<UpdateInfo>,
     download_progress: i16,
+    logs: Vec<String>,
+}
+
+impl AppState {
+    pub fn new() -> (Self, Task<Message>) {
+        let source = sources::FileSource::new(env!("RELEASES_DIR"));
+        let um = UpdateManager::new(source, None, None);
+        let mut version: Option<String> = None;
+        let mut state = AppStatus::NotInstalled;
+        if um.is_ok() {
+            state = AppStatus::Idle;
+            version = Some(um.as_ref().unwrap().current_version().unwrap());
+        }
+
+        (
+            AppState {
+                logs: Vec::new(),
+                update_manager: um.ok(),
+                status: state,
+                current_version: version,
+                update_info: None,
+                download_progress: 0,
+            },
+            Task::none(),
+        )
+    }
 }
 
 #[derive(Debug, Clone)]
-pub enum GUIState {
+pub enum AppStatus {
     NotInstalled,
     Idle,
     Checking,
@@ -33,38 +63,30 @@ pub enum GUIState {
 }
 
 fn main() -> Result<()> {
+    logger::IcedLogger::init();
     VelopackApp::build().run();
 
-    let source = sources::FileSource::new(env!("RELEASES_DIR"));
-    let um = UpdateManager::new(source, None, None);
-    let mut version: Option<String> = None;
-    let mut state = GUIState::NotInstalled;
-    if um.is_ok() {
-        state = GUIState::Idle;
-        version = Some(um.as_ref().unwrap().current_version().unwrap());
-    }
-
-    let gui = GUI { update_manager: um.ok(), state, current_version: version, update_info: None, download_progress: 0 };
-    
-    iced::application("A cool application", update, view)
-        .window_size(iced::Size::new(400.0, 200.0))
-        .run_with(move || (gui, iced::Task::none()))?;
+    iced::application("Velopack Rust Sample", update, view)
+        .window_size(iced::Size::new(600.0, 400.0))
+        .centered()
+        .subscription(logger::IcedLogger::subscription)
+        .run_with(|| AppState::new())?;
     
     Ok(())
 }
 
-fn update(gui: &mut GUI, message: Message) -> iced::Task<Message> {
+fn update(state: &mut AppState, message: Message) -> Task<Message> {
     match message {
         Message::CheckForUpdates => {
-            gui.state = GUIState::Checking;
-            iced::Task::perform(gui.update_manager.as_ref().unwrap().check_for_updates_async(), |result| match result {
+            state.status = AppStatus::Checking;
+            Task::perform(state.update_manager.as_ref().unwrap().check_for_updates_async(), |result| match result {
                 Ok(update_info) => {
                     match update_info {
                         UpdateCheck::RemoteIsEmpty => Message::UpdatesFound(None),
                         UpdateCheck::NoUpdateAvailable => Message::UpdatesFound(None),
                         UpdateCheck::UpdateAvailable(updates) => Message::UpdatesFound(Some(updates)),
                     }
-                },
+                }
                 Err(_) => {
                     // Handle the error case, perhaps by logging or setting an error state
                     // For simplicity, we're sending a None update here, but you should handle errors appropriately
@@ -73,55 +95,84 @@ fn update(gui: &mut GUI, message: Message) -> iced::Task<Message> {
             })
         }
         Message::UpdatesFound(update) => {
-            gui.update_info = update;
-            gui.state = match gui.update_info {
-                Some(_) => GUIState::UpdatesAvailable,
-                None => GUIState::Idle,
+            state.update_info = update;
+            state.status = match state.update_info {
+                Some(_) => AppStatus::UpdatesAvailable,
+                None => AppStatus::Idle,
             };
-            iced::Task::none()
+            Task::none()
         }
         Message::DownloadUpdates => {
-            gui.state = GUIState::Downloading;
-            let update_info = gui.update_info.clone().unwrap(); // Ensure you handle this safely in your actual code
-            iced::Task::perform(gui.update_manager.as_ref().unwrap().download_updates_async(&update_info, None), |_| Message::DownloadComplete)
+            state.status = AppStatus::Downloading;
+            let update_info = state.update_info.clone().unwrap(); // Ensure you handle this safely in your actual code
+            Task::perform(state.update_manager.as_ref().unwrap().download_updates_async(&update_info, None), |_| Message::DownloadComplete)
         }
         Message::DownloadProgress(progress) => {
-            gui.download_progress = progress;
-            iced::Task::none()
+            state.download_progress = progress;
+            Task::none()
         }
         Message::DownloadComplete => {
-            gui.state = GUIState::ReadyToRestart;
-            iced::Task::none()
+            state.status = AppStatus::ReadyToRestart;
+            Task::none()
         }
         Message::Restart => {
-            let update_info = gui.update_info.clone().unwrap(); // Ensure you handle this safely in your actual code
-            gui.update_manager.as_ref().unwrap().apply_updates_and_restart(update_info).unwrap();
-            iced::Task::none()
+            let update_info = state.update_info.clone().unwrap(); // Ensure you handle this safely in your actual code
+            state.update_manager.as_ref().unwrap().apply_updates_and_restart(update_info).unwrap();
+            Task::none()
+        }
+        Message::LogReceived(log) => {
+            state.logs.push(log);
+            Task::none()
         }
     }
 }
 
-fn view(gui: &GUI) -> iced::Element<Message> {
-    let content = match gui.state {
-        GUIState::NotInstalled => Column::new()
-            .push(Text::new("Can't check for updates if not installed")),
-        GUIState::Idle => Column::new()
-            .push(Text::new(format!("Current version: {}", gui.current_version.as_ref().unwrap_or(&"Unknown".to_string()))))
-            .push(Button::new(Text::new("Check for updates")).on_press(Message::CheckForUpdates)),
-        GUIState::Checking => Column::new()
-            .push(Text::new("Checking for updates...")),
-        GUIState::UpdatesAvailable => {
-            let update_version = gui.update_info.as_ref().map_or("Unknown", |info| &info.TargetFullRelease.Version);
-            Column::new()
-                .push(Text::new(format!("Update available: {}", update_version)))
-                .push(Button::new(Text::new("Download updates")).on_press(Message::DownloadUpdates))
+fn view(state: &AppState) -> iced::Element<Message> {
+    let content = match state.status {
+        AppStatus::NotInstalled =>
+            column![text("Can't check for updates if not installed")],
+        AppStatus::Idle =>
+            column![
+                text(format!("Current version: {}", state.current_version.as_ref().unwrap_or(&"Unknown".to_string()))),
+                button("Check for updates").on_press(Message::CheckForUpdates),
+            ],
+        AppStatus::Checking =>
+            column![text("Checking for updates...")],
+        AppStatus::UpdatesAvailable => {
+            let update_version = state.update_info.as_ref().map_or("Unknown", |info| &info.TargetFullRelease.Version);
+            column![
+                text(format!("Update available: {}", update_version)),
+                button("Download updates").on_press(Message::DownloadUpdates),
+            ]
         }
-        GUIState::Downloading => Column::new()
-            .push(Text::new(format!("Downloading updates... Progress: {}%", gui.download_progress))),
-        GUIState::ReadyToRestart => Column::new()
-            .push(Text::new("Updates downloaded. Ready to restart."))
-            .push(Button::new(Text::new("Restart")).on_press(Message::Restart)),
+        AppStatus::Downloading =>
+            column![text(format!("Downloading updates... Progress: {}%", state.download_progress))],
+        AppStatus::ReadyToRestart =>
+            column![
+                text("Updates downloaded. Ready to restart."),
+                button("Restart").on_press(Message::Restart),
+            ],
     };
     
-    content.into()
+    let log_area = scrollable(text(state.logs.join("\n")))
+        .height(iced::Length::Fill)
+        .width(iced::Length::Fill);
+    
+    let log_container = container(log_area)
+        .padding(10)
+        .width(iced::Length::Fill)
+        .height(iced::Length::Fill)
+        .style(|_| {
+            container::Style {
+                background: Some(iced::Color::from_rgb8(0x77, 0x1d, 0x1d).into()),
+                text_color: Some(iced::Color::WHITE),
+                ..Default::default()
+            }
+        });
+
+    column![
+        content,
+        vertical_space().height(20),
+        log_container,
+    ].into()
 }