From 7d68b87a7e2f37a99dabdfabc6225d614a540146 Mon Sep 17 00:00:00 2001
From: Mani <12841290+infinyte7@users.noreply.github.com>
Date: Sat, 20 Jun 2020 22:36:06 +0530
Subject: [PATCH] Show Toast using JavaScript function in WebView

* Added function ankiShowToast card.js
* Added url decoding of msg
* Added encode toast msg, card.js
---
 AnkiDroid/src/main/assets/scripts/card.js                 | 6 ++++++
 .../main/java/com/ichi2/anki/AbstractFlashcardViewer.java | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/AnkiDroid/src/main/assets/scripts/card.js b/AnkiDroid/src/main/assets/scripts/card.js
index f102e7d03e36..269db891ed4c 100644
--- a/AnkiDroid/src/main/assets/scripts/card.js
+++ b/AnkiDroid/src/main/assets/scripts/card.js
@@ -134,6 +134,12 @@ function ankiToggleFlag(flag) {
     }
 }
 
+// Show toast using js
+function ankiShowToast(message) {
+    var msg = encodeURI(message);
+    window.location.href = "signal:anki_show_toast:" + msg;
+}
+
 /* Tell the app the text in the input box when it loses focus */
 function taBlur(itag) {
     //#5944 - percent wasn't encoded, but Mandarin was.
diff --git a/AnkiDroid/src/main/java/com/ichi2/anki/AbstractFlashcardViewer.java b/AnkiDroid/src/main/java/com/ichi2/anki/AbstractFlashcardViewer.java
index 97a84ead5499..95a1396f3290 100644
--- a/AnkiDroid/src/main/java/com/ichi2/anki/AbstractFlashcardViewer.java
+++ b/AnkiDroid/src/main/java/com/ichi2/anki/AbstractFlashcardViewer.java
@@ -3181,6 +3181,14 @@ private boolean filterUrl(String url) {
                 }
             }
 
+            // Show toast using JS
+            if (url.startsWith("signal:anki_show_toast:")) {
+                String msg = url.replaceFirst("signal:anki_show_toast:", "");
+                String msgDecode = decodeUrl(msg);
+                UIUtils.showThemedToast(AbstractFlashcardViewer.this, msgDecode, true);
+                return true;
+            }
+
             int signalOrdinal = WebViewSignalParserUtils.getSignalFromUrl(url);
             switch (signalOrdinal) {
                 case WebViewSignalParserUtils.SIGNAL_UNHANDLED: