From f6792cf8143805a9a16bb3248afb6aa1bf029fb9 Mon Sep 17 00:00:00 2001
From: Marc Rominger <Marcrominger@gmx.de>
Date: Mon, 24 Jan 2022 18:49:47 +0100
Subject: [PATCH] simplified usage

---
 README.md                         | 33 ++++++++++++++++++++-----------
 example/src/app/home/home.page.ts |  2 +-
 package.json                      |  2 +-
 src/definitions.ts                |  4 ++--
 src/web.ts                        |  7 ++++++-
 5 files changed, 31 insertions(+), 17 deletions(-)

diff --git a/README.md b/README.md
index 32b0de9..c91a5d6 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,8 @@
 # 🎹 capacitor-midi
 
-Grants access to midi devices via native libraries or WebMIDI. 
+Grants access to midi devices via native libraries or WebMIDI.
 
-❗ Currently NO iOS support. Because I don't have access to a mac. I hope this changes soon. ❗
+❗Currently NO iOS support. Because I don't have access to a Mac. Contributors Welcome❗
 
 ## 🔌 Install
 
@@ -12,17 +12,18 @@ npx cap sync
 ```
 
 ## 🎼 Usage
+
 ### Subscribe to MIDI events after a device is opened
+
 ```typescript
 const options: DeviceOptions = {
     deviceNumber: 0 // Choose device from listMIDIDevices()
 }
 
 await MIDI.openDevice(options)
+    .catch((e) => console.error(e))
 
-
-MIDI.addListener('MIDIEventReceived', 
-    (message: MidiMessage) => console.log(message));
+MIDI.addDeviceListener((message: MidiMessage) => console.log(message));
 
 interface MidiMessage {
     type: string; // NoteOn, NoteOff, UNKNOWN - XXX
@@ -37,7 +38,7 @@ interface MidiMessage {
 
 * [`listMIDIDevices()`](#listmididevices)
 * [`openDevice(...)`](#opendevice)
-* [`addListener(...)`](#addlistener)
+* [`addDeviceListener(...)`](#adddevicelistener)
 * [Interfaces](#interfaces)
 
 </docgen-index>
@@ -69,16 +70,15 @@ openDevice(options: DeviceOptions) => Promise<void>
 --------------------
 
 
-### addListener(...)
+### addDeviceListener(...)
 
 ```typescript
-addListener(eventName: string, listenerFunc: ListenerCallback) => PluginListenerHandle
+addDeviceListener(callback: (message: MidiMessage) => any) => PluginListenerHandle
 ```
 
-| Param              | Type                                            |
-| ------------------ | ----------------------------------------------- |
-| **`eventName`**    | <code>string</code>                             |
-| **`listenerFunc`** | <code>(err: any, ...args: {}) =&gt; void</code> |
+| Param          | Type                                                                     |
+| -------------- | ------------------------------------------------------------------------ |
+| **`callback`** | <code>(message: <a href="#midimessage">MidiMessage</a>) =&gt; any</code> |
 
 **Returns:** <code><a href="#pluginlistenerhandle">PluginListenerHandle</a></code>
 
@@ -101,4 +101,13 @@ addListener(eventName: string, listenerFunc: ListenerCallback) => PluginListener
 | ------------ | ----------------------------------------- |
 | **`remove`** | <code>() =&gt; Promise&lt;void&gt;</code> |
 
+
+#### MidiMessage
+
+| Prop           | Type                |
+| -------------- | ------------------- |
+| **`type`**     | <code>string</code> |
+| **`note`**     | <code>number</code> |
+| **`velocity`** | <code>number</code> |
+
 </docgen-api>
diff --git a/example/src/app/home/home.page.ts b/example/src/app/home/home.page.ts
index 7931742..0ab38ed 100644
--- a/example/src/app/home/home.page.ts
+++ b/example/src/app/home/home.page.ts
@@ -17,7 +17,7 @@ export class HomePage {
         this.devices = devices.value;
       });
 
-    MIDI.addListener('MIDIEventReceived', (message: MidiMessage) => {
+    MIDI.addDeviceListener((message: MidiMessage) => {
       this.messages.push(message);
       cd.detectChanges();
     });
diff --git a/package.json b/package.json
index 84fa20a..7de6f35 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "capacitor-midi",
-  "version": "0.0.5",
+  "version": "0.0.6",
   "description": "Grants access to midi devices via native libraries or WebMIDI.",
   "main": "dist/plugin.cjs.js",
   "module": "dist/esm/index.js",
diff --git a/src/definitions.ts b/src/definitions.ts
index f6c49e6..500d8e4 100644
--- a/src/definitions.ts
+++ b/src/definitions.ts
@@ -1,11 +1,11 @@
-import type {ListenerCallback, PluginListenerHandle} from "@capacitor/core";
+import type {PluginListenerHandle} from "@capacitor/core";
 
 export interface MIDIPlugin {
   listMIDIDevices(): Promise<{ value: string[] }>
 
   openDevice(options: DeviceOptions): Promise<void>
 
-  addListener(eventName: string, listenerFunc: ListenerCallback): PluginListenerHandle
+  addDeviceListener(callback: ((message: MidiMessage) => any)): PluginListenerHandle
 }
 
 export interface MidiMessage {
diff --git a/src/web.ts b/src/web.ts
index 83b893a..b6ee61e 100644
--- a/src/web.ts
+++ b/src/web.ts
@@ -1,7 +1,8 @@
+import type {PluginListenerHandle} from '@capacitor/core';
 import {WebPlugin} from '@capacitor/core';
 
 import {WebMIDIHandler} from "./WebMIDIHandler";
-import type {DeviceOptions, MIDIPlugin} from './definitions';
+import type {DeviceOptions, MidiMessage, MIDIPlugin} from './definitions';
 
 export class MIDIPluginWeb extends WebPlugin implements MIDIPlugin {
     async listMIDIDevices(): Promise<{ value: string[] }> {
@@ -41,4 +42,8 @@ export class MIDIPluginWeb extends WebPlugin implements MIDIPlugin {
         return
     }
 
+    addDeviceListener(callback: (message: MidiMessage) => any): PluginListenerHandle {
+        return this.addListener('MIDIEventReceived', callback);
+    }
+
 }