From 26d927f09f0252357fa405ff319878896675a154 Mon Sep 17 00:00:00 2001
From: Victor Elci <victor.elci@aboveproperty.com>
Date: Mon, 25 Sep 2023 14:52:52 -0400
Subject: [PATCH] GH-1025 android: enable window.print()

---
 src/android/InAppBrowser.java | 26 ++++++++++++++++++++++++--
 1 file changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/android/InAppBrowser.java b/src/android/InAppBrowser.java
index eed595016..c7aafc2b3 100644
--- a/src/android/InAppBrowser.java
+++ b/src/android/InAppBrowser.java
@@ -62,6 +62,10 @@ Licensed to the Apache Software Foundation (ASF) under one
 import android.widget.LinearLayout;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
+import android.print.PrintManager;
+import android.print.PrintJob;
+import android.print.PrintDocumentAdapter;
+import android.print.PrintAttributes;
 
 import org.apache.cordova.CallbackContext;
 import org.apache.cordova.Config;
@@ -971,9 +975,9 @@ public void onDownloadStart(
                             }
                         }
                     }
-                );        
+                );
 
-                // Add postMessage interface
+                // Add print/postMessage interfaces
                 class JsObject {
                     @JavascriptInterface
                     public void postMessage(String data) {
@@ -986,6 +990,21 @@ public void postMessage(String data) {
                             LOG.e(LOG_TAG, "data object passed to postMessage has caused a JSON error.");
                         }
                     }
+
+                    @JavascriptInterface
+                    public void print(String jobName) {
+                        inAppWebView.post(() -> {
+                            // Get a PrintManager instance
+                            PrintManager printManager = (PrintManager) cordova.getActivity()
+                                    .getSystemService(Context.PRINT_SERVICE);
+
+                            PrintDocumentAdapter printAdapter = inAppWebView.createPrintDocumentAdapter(jobName);
+
+                            // Create a print job with name and adapter instance
+                            printManager.print(jobName, printAdapter,
+                                    new PrintAttributes.Builder().build());
+                        });
+                    }
                 }
 
                 settings.setMediaPlaybackRequiresUserGesture(mediaPlaybackRequiresUserGesture);
@@ -1375,6 +1394,9 @@ public void onPageFinished(WebView view, String url) {
             // Set the namespace for postMessage()
             injectDeferredObject("window.webkit={messageHandlers:{cordova_iab:cordova_iab}}", null);
 
+            // override window.print
+            injectDeferredObject("window.print=()=>{cordova_iab.print(window.document.title);}", null);
+
             // CB-10395 InAppBrowser's WebView not storing cookies reliable to local device storage
             CookieManager.getInstance().flush();