feat: add barcode scanner plugin (#536)

plugins/barcode-scanner/src/api-iife.js

@@ -0,0 +1 @@
+if("__TAURI__"in window){var __TAURI_BARCODESCANNER__=function(e){"use strict";var n=Object.defineProperty,t=(e,n,t)=>{if(!n.has(e))throw TypeError("Cannot "+t)},r=(e,n,r)=>(t(e,n,"read from private field"),r?r.call(e):n.get(e)),a=(e,n,r,a)=>(t(e,n,"write to private field"),a?a.call(e,r):n.set(e,r),r);function i(e,n=!1){let t=window.crypto.getRandomValues(new Uint32Array(1))[0],r=`_${t}`;return Object.defineProperty(window,r,{value:t=>(n&&Reflect.deleteProperty(window,r),e?.(t)),writable:!1,configurable:!0}),t}((e,t)=>{for(var r in t)n(e,r,{get:t[r],enumerable:!0})})({},{Channel:()=>c,PluginListener:()=>_,addPluginListener:()=>l,convertFileSrc:()=>u,invoke:()=>d,transformCallback:()=>i});var o,c=class{constructor(){this.__TAURI_CHANNEL_MARKER__=!0,((e,n,t)=>{if(n.has(e))throw TypeError("Cannot add the same private member more than once");n instanceof WeakSet?n.add(e):n.set(e,t)})(this,o,(()=>{})),this.id=i((e=>{r(this,o).call(this,e)}))}set onmessage(e){a(this,o,e)}get onmessage(){return r(this,o)}toJSON(){return`__CHANNEL__:${this.id}`}};o=new WeakMap;var s,_=class{constructor(e,n,t){this.plugin=e,this.event=n,this.channelId=t}async unregister(){return d(`plugin:${this.plugin}|remove_listener`,{event:this.event,channelId:this.channelId})}};async function l(e,n,t){let r=new c;return r.onmessage=t,d(`plugin:${e}|register_listener`,{event:n,handler:r}).then((()=>new _(e,n,r.id)))}async function d(e,n={},t){return new Promise(((r,a)=>{let o=i((e=>{r(e),Reflect.deleteProperty(window,`_${c}`)}),!0),c=i((e=>{a(e),Reflect.deleteProperty(window,`_${o}`)}),!0);window.__TAURI_IPC__({cmd:e,callback:o,error:c,payload:n,options:t})}))}function u(e,n="asset"){return window.__TAURI__.convertFileSrc(e,n)}return e.Format=void 0,(s=e.Format||(e.Format={})).QRCode="QR_CODE",s.UPC_A="UPC_A",s.UPC_E="UPC_E",s.EAN8="EAN_8",s.EAN13="EAN_13",s.Code39="CODE_39",s.Code93="CODE_93",s.Code128="CODE_128",s.Codabar="CODABAR",s.ITF="ITF",s.Aztec="AZTEC",s.DataMatrix="DATA_MATRIX",s.PDF417="PDF_417",e.cancel=async function(){return await d("plugin:barcodeScanner|cancel")},e.checkPermissions=async function(){return await d("plugin:barcodeScanner|checkPermissions").then((e=>e.camera))},e.openAppSettings=async function(){return await d("plugin:barcodeScanner|openAppSettings")},e.requestPermissions=async function(){return await d("plugin:barcodeScanner|requestPermissions").then((e=>e.camera))},e.scan=async function(e){return await d("plugin:barcodeScanner|scan",{...e})},e}({});Object.defineProperty(window.__TAURI__,"barcodeScanner",{value:__TAURI_BARCODESCANNER__})}

plugins/barcode-scanner/src/error.rs

@@ -0,0 +1,25 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+use serde::{ser::Serializer, Serialize};
+
+pub type Result<T> = std::result::Result<T, Error>;
+
+#[derive(Debug, thiserror::Error)]
+pub enum Error {
+    #[error(transparent)]
+    Io(#[from] std::io::Error),
+    #[cfg(mobile)]
+    #[error(transparent)]
+    PluginInvoke(#[from] tauri::plugin::mobile::PluginInvokeError),
+}
+
+impl Serialize for Error {
+    fn serialize<S>(&self, serializer: S) -> std::result::Result<S::Ok, S::Error>
+    where
+        S: Serializer,
+    {
+        serializer.serialize_str(self.to_string().as_ref())
+    }
+}

plugins/barcode-scanner/src/lib.rs

@@ -0,0 +1,53 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT
+
+#![cfg(mobile)]
+
+use tauri::{
+    plugin::{Builder, PluginHandle, TauriPlugin},
+    Manager, Runtime,
+};
+
+pub use models::*;
+
+mod error;
+mod models;
+
+pub use error::{Error, Result};
+
+#[cfg(target_os = "android")]
+const PLUGIN_IDENTIFIER: &str = "app.tauri.barcodescanner";
+
+#[cfg(target_os = "ios")]
+tauri::ios_plugin_binding!(init_plugin_barcode_scanner);
+
+/// Access to the scanner APIs.
+pub struct BarcodeScanner<R: Runtime>(PluginHandle<R>);
+
+impl<R: Runtime> BarcodeScanner<R> {}
+
+/// Extensions to [`tauri::App`], [`tauri::AppHandle`] and [`tauri::Window`] to access the barcode scanner APIs.
+pub trait BarcodeScannerExt<R: Runtime> {
+    fn barcode_scanner(&self) -> &BarcodeScanner<R>;
+}
+
+impl<R: Runtime, T: Manager<R>> crate::BarcodeScannerExt<R> for T {
+    fn barcode_scanner(&self) -> &BarcodeScanner<R> {
+        self.state::<BarcodeScanner<R>>().inner()
+    }
+}
+
+/// Initializes the plugin.
+pub fn init<R: Runtime>() -> TauriPlugin<R> {
+    Builder::new("barcodeScanner")
+        .setup(|app, api| {
+            #[cfg(target_os = "android")]
+            let handle = api.register_android_plugin(PLUGIN_IDENTIFIER, "BarcodeScannerPlugin")?;
+            #[cfg(target_os = "ios")]
+            let handle = api.register_ios_plugin(init_plugin_barcode_scanner)?;
+            app.manage(BarcodeScanner(handle));
+            Ok(())
+        })
+        .build()
+}

plugins/barcode-scanner/src/mobile.rs

@@ -0,0 +1,3 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT

plugins/barcode-scanner/src/models.rs

@@ -0,0 +1,3 @@
+// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
+// SPDX-License-Identifier: Apache-2.0
+// SPDX-License-Identifier: MIT