refactor: use new builder pattern

.changes/use-builder-pattern.md

@@ -0,0 +1,5 @@
+---
+"tauri-plugin-positioner": major
+---
+
+***Breaking Change**: Uses the new Tauri plugin builder pattern. Use `tauri_plugin_positioner::init()` instead of `tauri_plugin_positioner::Positioner::default()`.

README.md

@@ -11,7 +11,7 @@
 [mit-badge]: https://img.shields.io/badge/license-MIT-blue.svg
 [mit-url]: LICENSE
 
-A plugin for tauri that helps positioning you windows at well known locations.
+A plugin for Tauri that helps position your windows at well-known locations.
 
 This plugin is a port of [electron-positioner](https://github.com/jenslind/electron-positioner) for [tauri](https://tauri.studio).
 
@@ -39,17 +39,15 @@ yarn add tauri-plugin-positioner
 You need to register the plugin first:
 
 ```rust
-use tauri_plugin_positioner::{Positioner, Position};
-
 fn main() {
     tauri::Builder::default()
-        .plugin(Positioner::default())
+        .plugin(tauri_plugin_positioner::init())
         .build()
         .run();
 }
 ```
 
-Now you can import the JavaScript API package and move to window:
+Now you can import the JavaScript API package and move the window:
 
 ```javascript
 import { move_window, Position } from 'tauri-plugin-positioner-api'
@@ -59,7 +57,7 @@ move_window(Position.TopRight)
 
 ### Rust only
 
-If you only intend on moving the window from rust code, you can just import the `Window` trait extension instead of registering the plugin:
+If you only intend on moving the window from rust code, you can import the `Window` trait extension instead of registering the plugin:
 
 > Note: `Window.move_window` method must be called from a different thread!
 

src/lib.rs

@@ -1,10 +1,18 @@
 // Copyright 2021 Jonas Kruckenberg
 // SPDX-License-Identifier: MIT
 
+//! A plugin for Tauri that helps position your windows at well-known locations.
+//! 
+//! # Cargo features
+//! 
+//! - **system-tray**: Enables system-tray-relative positions. 
+//!   
+//!   Note: This requires attaching the Tauri plugin, *even* when using the trait extension only.
+
 mod ext;
 
 pub use ext::*;
-use tauri::{plugin::Plugin, Invoke, Result, Runtime};
+use tauri::{plugin::{self, TauriPlugin}, Result, Runtime};
 
 #[cfg(feature = "system-tray")]
 use tauri::{AppHandle, Manager, PhysicalPosition, PhysicalSize, SystemTrayEvent};
@@ -48,35 +56,13 @@ async fn move_window<R: Runtime>(window: tauri::Window<R>, position: Position) -
   window.move_window(position)
 }
 
-/// The tauri plugin that exposes [`WindowExt::move_window`] to the webview.
-pub struct Positioner<R: Runtime> {
-  invoke_handler: Box<dyn Fn(Invoke<R>) + Send + Sync>,
-}
-
-impl<R: Runtime> Default for Positioner<R> {
-  fn default() -> Self {
-    Self {
-      invoke_handler: Box::new(tauri::generate_handler![move_window]),
-    }
-  }
-}
-
-impl<R: Runtime> Plugin<R> for Positioner<R> {
-  fn name(&self) -> &'static str {
-    "positioner"
-  }
-
-  #[cfg(feature = "system-tray")]
-  fn initialize(
-    &mut self,
-    app: &AppHandle<R>,
-    _config: serde_json::Value,
-  ) -> tauri::plugin::Result<()> {
-    app.manage(Tray(std::sync::Mutex::new(None)));
-    Ok(())
-  }
-
-  fn extend_api(&mut self, message: Invoke<R>) {
-    (self.invoke_handler)(message)
-  }
-}
+/// The Tauri plugin that exposes [`WindowExt::move_window`] to the webview.
+pub fn init<R: Runtime>() -> TauriPlugin<R> {
+  plugin::Builder::new("positioner")
+    .invoke_handler(tauri::generate_handler![move_window])
+    .setup(|app_handle| {
+      app_handle.manage(Tray(std::sync::Mutex::new(None)));
+      Ok(())
+    })
+    .build()
+}