From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: fgei <fgei@gmail.com>
Date: Wed, 28 Sep 2022 05:37:00 +0200
Subject: [PATCH] Handle web search action in browser

---
 .../src/org/chromium/base/PackageManagerUtils.java     | 10 ++++++++++
 chrome/android/java/AndroidManifest.xml                |  4 ++++
 .../chrome/browser/LaunchIntentDispatcher.java         |  3 ++-
 3 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/base/android/java/src/org/chromium/base/PackageManagerUtils.java b/base/android/java/src/org/chromium/base/PackageManagerUtils.java
index 2d1661ee534f6..2c983646ab42b 100644
--- a/base/android/java/src/org/chromium/base/PackageManagerUtils.java
+++ b/base/android/java/src/org/chromium/base/PackageManagerUtils.java
@@ -85,6 +85,16 @@ public class PackageManagerUtils {
         return canResolveActivity(intent, 0);
     }
 
+    public static boolean canOnlyOthersResolveActivity(Intent intent, int flags) {
+        for (ResolveInfo ri: queryIntentActivities(intent, flags)) {
+            if (ContextUtils.getApplicationContext()
+                    .getPackageName().equals(ri.activityInfo.packageName)) {
+                return false;
+            }
+        }
+        return true;
+    }
+
     /**
      * @return Intent to query a list of installed home launchers.
      */
diff --git a/chrome/android/java/AndroidManifest.xml b/chrome/android/java/AndroidManifest.xml
index fba6543bde641..31feb44011a56 100644
--- a/chrome/android/java/AndroidManifest.xml
+++ b/chrome/android/java/AndroidManifest.xml
@@ -345,6 +345,10 @@ by a child template that "extends" this file.
             <intent-filter>
                 <action android:name="android.intent.action.SEARCH" />
             </intent-filter>
+            <intent-filter> <!-- DOWNSTREAM -->
+                <action android:name="android.intent.action.WEB_SEARCH" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter> <!-- DOWNSTREAM -->
             <intent-filter>
                 <action android:name="com.sec.android.airview.HOVER" />
             </intent-filter>
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/LaunchIntentDispatcher.java b/chrome/android/java/src/org/chromium/chrome/browser/LaunchIntentDispatcher.java
index f06f00dcfbe3d..dc43814b49142 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/LaunchIntentDispatcher.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/LaunchIntentDispatcher.java
@@ -202,6 +202,7 @@ public class LaunchIntentDispatcher {
         String query = null;
         final String action = intent.getAction();
         if (Intent.ACTION_SEARCH.equals(action)
+                || Intent.ACTION_WEB_SEARCH.equals(action)
                 || MediaStore.INTENT_ACTION_MEDIA_SEARCH.equals(action)) {
             query = IntentUtils.safeGetStringExtra(intent, SearchManager.QUERY);
         }
@@ -215,7 +216,7 @@ public class LaunchIntentDispatcher {
         searchIntent.putExtra(SearchManager.QUERY, query);
 
         try (StrictModeContext ignored = StrictModeContext.allowDiskReads()) {
-            if (PackageManagerUtils.canResolveActivity(
+            if (PackageManagerUtils.canOnlyOthersResolveActivity(
                         searchIntent, PackageManager.GET_RESOLVED_FILTER)) {
                 mActivity.startActivity(searchIntent);
             } else {