From d35f101fac517203d4ff3901be0dc8afbac13c65 Mon Sep 17 00:00:00 2001
From: Anderson de Oliveira Machado <andersondeoliveiraMachado@gmail.com>
Date: Sat, 29 Feb 2020 14:55:27 -0300
Subject: [PATCH] feat: send typing in chat (#87)

Co-authored-by: Pedro S. Lopez <pedroslopez@me.com>
---
 example.js             |  3 +++
 src/structures/Chat.js | 12 +++++++++++-
 src/util/Injected.js   |  8 +++++++-
 3 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/example.js b/example.js
index e42d343..6e92427 100644
--- a/example.js
+++ b/example.js
@@ -168,6 +168,9 @@ client.on('message', async msg => {
     } else if (msg.body === '!archive') {
         const chat = await msg.getChat();
         chat.archive();
+    } else if (msg.body === '!typing') {
+        const chat = await msg.getChat();
+        chat.typing();        
     }
 });
 
diff --git a/src/structures/Chat.js b/src/structures/Chat.js
index 00a87f0..2f7ac52 100644
--- a/src/structures/Chat.js
+++ b/src/structures/Chat.js
@@ -102,7 +102,17 @@ class Chat extends Base {
     async unarchive() {
         return this.client.unarchiveChat(this.id._serialized);
     }
+   
+    /**
+     * Start typing in chat. This will last for 25 seconds.
+     */
+    async sendTyping() {
+        return this.client.pupPage.evaluate(chatId => {
+            window.WWebJS.typing(chatId);
+            return true;
+        }, this.id._serialized);        
+    }
     
 }
 
-module.exports = Chat;
\ No newline at end of file
+module.exports = Chat;
diff --git a/src/util/Injected.js b/src/util/Injected.js
index 14def94..b4728ca 100644
--- a/src/util/Injected.js
+++ b/src/util/Injected.js
@@ -255,6 +255,12 @@ exports.LoadUtils = () => {
         }
         return false;
     };
+
+    window.WWebJS.typing = async (chatId) => {
+        await window.Store.Wap.sendChatstateComposing(chatId);
+        return true;
+    };    
+    
 };
 
 exports.MarkAllRead = () => {
@@ -272,4 +278,4 @@ exports.MarkAllRead = () => {
             window.Store.Wap.sendConversationSeen(chat.id, chat.getLastMsgKeyForAction(), chat.unreadCount - chat.pendingSeenCount);
         }
     }
-};
\ No newline at end of file
+};