[ads] RichNTT: Android

android/brave_java_sources.gni

@@ -259,6 +259,7 @@ brave_java_sources = [
   "../../brave/android/java/org/chromium/chrome/browser/ntp/IncognitoNewTabPageView.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp/NtpUtil.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp/OnBraveNtpListener.java",
+  "../../brave/android/java/org/chromium/chrome/browser/ntp/SponsoredRichMediaWebView.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/NTPBackgroundImagesBridge.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/model/BackgroundImage.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/model/ImageCredit.java",

android/java/org/chromium/chrome/browser/ntp/BraveNewTabPageLayout.java

@@ -31,6 +31,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.ViewTreeObserver;
+import android.widget.FrameLayout;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
 import android.widget.ProgressBar;
@@ -39,6 +40,7 @@
 import androidx.annotation.NonNull;
 import androidx.recyclerview.widget.LinearLayoutManager;
 import androidx.recyclerview.widget.RecyclerView;
+import androidx.recyclerview.widget.RecyclerView.OnItemTouchListener;
 import androidx.recyclerview.widget.SimpleItemAnimator;
 
 import com.airbnb.lottie.LottieAnimationView;
@@ -132,7 +134,12 @@ public class BraveNewTabPageLayout
     private Integer mInitialTileNum;
 
     // Own members.
+    private WindowAndroid mWindowAndroid;
+
     private ImageView mBgImageView;
+    private SponsoredRichMediaWebView mSponsoredRichMediaWebView;
+    private FrameLayout mBackgroundSponsoredRichMediaView;
+
     private Profile mProfile;
     private SponsoredTab mSponsoredTab;
     private boolean mIsTablet;
@@ -441,6 +448,27 @@ private void setNtpRecyclerView(LinearLayoutManager linearLayoutManager) {
         }
 
         mPrevVisibleNewsCardPosition = firstNewsFeedPosition() - 1;
+
+        mRecyclerView.addOnItemTouchListener(
+                new OnItemTouchListener() {
+                    @Override
+                    public boolean onInterceptTouchEvent(
+                            RecyclerView recyclerView, MotionEvent event) {
+                        final View childView =
+                                recyclerView.findChildViewUnder(event.getX(), event.getY());
+                        if (childView == null && mSponsoredRichMediaWebView != null) {
+                            mSponsoredRichMediaWebView.getView().dispatchTouchEvent(event);
+                        }
+                        return false;
+                    }
+
+                    @Override
+                    public void onTouchEvent(RecyclerView recyclerView, MotionEvent event) {}
+
+                    @Override
+                    public void onRequestDisallowInterceptTouchEvent(boolean disallowIntercept) {}
+                });
+
         mRecyclerView.addOnScrollListener(
                 new RecyclerView.OnScrollListener() {
                     @Override
@@ -1181,6 +1209,7 @@ public void initialize(
                 tabStripHeightSupplier);
 
         mIsTablet = isTablet;
+        mWindowAndroid = windowAndroid;
 
         assert mMvTilesContainerLayout != null : "Something has changed in the upstream!";
 
@@ -1217,7 +1246,9 @@ private void showNTPImage(NTPImage ntpImage) {
         if (mNtpAdapter != null) {
             mNtpAdapter.setNtpImage(ntpImage);
         }
-        if (ntpImage instanceof Wallpaper
+        if (ntpImage instanceof Wallpaper && ((Wallpaper) ntpImage).isRichMedia()) {
+            setupSponsoredBackgroundContent();
+        } else if (ntpImage instanceof Wallpaper
                 && NTPImageUtil.isReferralEnabled()
                 && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             setBackgroundImage(ntpImage);
@@ -1230,6 +1261,21 @@ private void showNTPImage(NTPImage ntpImage) {
         }
     }
 
+    private void setupSponsoredBackgroundContent() {
+        if (mSponsoredRichMediaWebView != null) {
+            return;
+        }
+
+        mSponsoredRichMediaWebView =
+                new SponsoredRichMediaWebView(mActivity, mWindowAndroid, mProfile);
+
+        mBackgroundSponsoredRichMediaView = findViewById(R.id.bg_sponsored_rich_media_view);
+        mBackgroundSponsoredRichMediaView.setVisibility(View.VISIBLE);
+        mBackgroundSponsoredRichMediaView.addView(mSponsoredRichMediaWebView.getView());
+
+        mSponsoredRichMediaWebView.loadSponsoredRichMedia();
+    }
+
     private void setBackgroundImage(NTPImage ntpImage) {
         mBgImageView = (ImageView) findViewById(R.id.bg_image_view);
         mBgImageView.setScaleType(ImageView.ScaleType.MATRIX);

android/java/org/chromium/chrome/browser/ntp/SponsoredRichMediaWebView.java

@@ -0,0 +1,66 @@
+/* Copyright (c) 2025 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+package org.chromium.chrome.browser.ntp;
+
+import android.app.Activity;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+
+import org.chromium.base.version_info.VersionInfo;
+import org.chromium.chrome.browser.content.WebContentsFactory;
+import org.chromium.chrome.browser.profiles.Profile;
+import org.chromium.components.embedder_support.view.ContentView;
+import org.chromium.components.thinwebview.ThinWebView;
+import org.chromium.components.thinwebview.ThinWebViewConstraints;
+import org.chromium.components.thinwebview.ThinWebViewFactory;
+import org.chromium.content_public.browser.LoadUrlParams;
+import org.chromium.content_public.browser.WebContents;
+import org.chromium.net.NetId;
+import org.chromium.ui.base.ViewAndroidDelegate;
+import org.chromium.ui.base.WindowAndroid;
+
+public class SponsoredRichMediaWebView {
+    private static final String NEW_TAB_TAKEOVER_URL = "chrome://new-tab-takeover";
+
+    private WebContents mWebContents;
+    private ThinWebView mWebView;
+
+    public SponsoredRichMediaWebView(
+            Activity activity, WindowAndroid windowAndroid, Profile profile) {
+        mWebContents =
+                WebContentsFactory.createWebContentsWithWarmRenderer(
+                        profile, /* initiallyHidden= */ false, /* targetNetwork= */ NetId.INVALID);
+
+        final ContentView webContentView = ContentView.createContentView(activity, mWebContents);
+        mWebContents.setDelegates(
+                VersionInfo.getProductVersion(),
+                ViewAndroidDelegate.createBasicDelegate(webContentView),
+                webContentView,
+                windowAndroid,
+                WebContents.createDefaultInternalsHolder());
+
+        mWebView =
+                ThinWebViewFactory.create(
+                        activity,
+                        new ThinWebViewConstraints(),
+                        windowAndroid.getIntentRequestTracker());
+        mWebView.getView()
+                .setLayoutParams(
+                        new FrameLayout.LayoutParams(
+                                ViewGroup.LayoutParams.MATCH_PARENT,
+                                ViewGroup.LayoutParams.MATCH_PARENT));
+        mWebView.attachWebContents(mWebContents, webContentView, null);
+    }
+
+    public void loadSponsoredRichMedia() {
+        mWebContents.getNavigationController().loadUrl(new LoadUrlParams(NEW_TAB_TAKEOVER_URL));
+    }
+
+    public View getView() {
+        return mWebView.getView();
+    }
+}

android/java/org/chromium/chrome/browser/ntp_background_images/NTPBackgroundImagesBridge.java

@@ -146,13 +146,28 @@ public static BackgroundImage createWallpaper(String imagePath, String author, S
     }
 
     @CalledByNative
-    public static Wallpaper createBrandedWallpaper(String imagePath, int focalPointX,
-            int focalPointY, String logoPath, String logoDestinationUrl, String themeName,
-            boolean isSponsored, String creativeInstanceId, String wallpaperId) {
-        return new Wallpaper(imagePath, focalPointX, focalPointY,
-                             logoPath, logoDestinationUrl,
-                             themeName, isSponsored, creativeInstanceId,
-                             wallpaperId);
+    public static Wallpaper createBrandedWallpaper(
+            String imagePath,
+            int focalPointX,
+            int focalPointY,
+            String logoPath,
+            String logoDestinationUrl,
+            String themeName,
+            boolean isSponsored,
+            String creativeInstanceId,
+            String wallpaperId,
+            boolean isRichMedia) {
+        return new Wallpaper(
+                imagePath,
+                focalPointX,
+                focalPointY,
+                logoPath,
+                logoDestinationUrl,
+                themeName,
+                isSponsored,
+                creativeInstanceId,
+                wallpaperId,
+                isRichMedia);
     }
 
     @CalledByNative

android/java/org/chromium/chrome/browser/ntp_background_images/model/Wallpaper.java

@@ -15,10 +15,19 @@ public class Wallpaper extends NTPImage {
     private boolean mIsSponsored;
     private String mCreativeInstanceId;
     private String mWallpaperId;
+    private boolean mIsRichMedia;
 
-    public Wallpaper(String imagePath, int focalPointX, int focalPointY, String logoPath,
-            String logoDestinationUrl, String themeName, boolean isSponsored,
-            String creativeInstanceId, String wallpaperId) {
+    public Wallpaper(
+            String imagePath,
+            int focalPointX,
+            int focalPointY,
+            String logoPath,
+            String logoDestinationUrl,
+            String themeName,
+            boolean isSponsored,
+            String creativeInstanceId,
+            String wallpaperId,
+            boolean isRichMedia) {
         mImagePath = imagePath;
         mFocalPointX = focalPointX;
         mFocalPointY = focalPointY;
@@ -28,6 +37,7 @@ public Wallpaper(String imagePath, int focalPointX, int focalPointY, String logo
         mIsSponsored = isSponsored;
         mCreativeInstanceId = creativeInstanceId;
         mWallpaperId = wallpaperId;
+        mIsRichMedia = isRichMedia;
     }
 
     public String getImagePath() {
@@ -65,4 +75,8 @@ public String getCreativeInstanceId() {
     public String getWallpaperId() {
         return mWallpaperId;
     }
+
+    public boolean isRichMedia() {
+        return mIsRichMedia;
+    }
 }

android/java/res/layout/new_tab_page_layout.xml

@@ -25,6 +25,13 @@
         android:layout_height="match_parent"
         android:contentDescription="@null"/>
 
+    <FrameLayout
+        android:id="@+id/bg_sponsored_rich_media_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone">
+    </FrameLayout>
+
     <FrameLayout
         android:id="@+id/logo_holder"
         android:layout_width="match_parent"

browser/brave_content_browser_client.cc

@@ -228,6 +228,7 @@ using extensions::ChromeContentBrowserClientExtensionsPart;
 
 #if BUILDFLAG(IS_ANDROID)
 #include "brave/browser/ui/webui/brave_wallet/android/android_wallet_page_ui.h"
+#include "brave/browser/ui/webui/new_tab_takeover/android/new_tab_takeover_ui.h"
 #endif  // BUILDFLAG(IS_ANDROID)
 
 #if !BUILDFLAG(IS_ANDROID)
@@ -681,7 +682,10 @@ void BraveContentBrowserClient::RegisterWebUIInterfaceBrokers(
         .Add<brave_news::mojom::BraveNewsController>()
         .Add<brave_news::mojom::BraveNewsInternals>();
   }
-#endif
+#else   // !BUILDFLAG(IS_ANDROID)
+  registry.ForWebUI<NewTabTakeoverUI>()
+      .Add<new_tab_takeover::mojom::NewTabTakeover>();
+#endif  // !BUILDFLAG(IS_ANDROID)
 }
 
 std::optional<base::UnguessableToken>

browser/ntp_background/android/ntp_background_images_bridge.cc

@@ -177,6 +177,13 @@ NTPBackgroundImagesBridge::CreateBrandedWallpaper(
   const std::string* wallpaper_id =
       data.FindString(ntp_background_images::kWallpaperIDKey);
 
+  bool is_rich_media = false;
+  if (const std::string* sponsored_rich_media_type =
+          data.FindString(ntp_background_images::kWallpaperTypeKey)) {
+    is_rich_media = *sponsored_rich_media_type ==
+                    ntp_background_images::kRichMediaWallpaperType;
+  }
+
   view_counter_service_->BrandedWallpaperWillBeDisplayed(
       wallpaper_id ? *wallpaper_id : "",
       creative_instance_id ? *creative_instance_id : "",
@@ -190,7 +197,8 @@ NTPBackgroundImagesBridge::CreateBrandedWallpaper(
       ConvertUTF8ToJavaString(env, *theme_name), is_sponsored,
       ConvertUTF8ToJavaString(
           env, creative_instance_id ? *creative_instance_id : ""),
-      ConvertUTF8ToJavaString(env, wallpaper_id ? *wallpaper_id : ""));
+      ConvertUTF8ToJavaString(env, wallpaper_id ? *wallpaper_id : ""),
+      is_rich_media);
 }
 
 void NTPBackgroundImagesBridge::GetTopSites(JNIEnv* env,

browser/sources.gni

@@ -412,6 +412,7 @@ if (is_android) {
     "//brave/browser/brave_ads/android",
     "//brave/browser/download/android:jni_headers",
     "//brave/browser/ntp_background/android",
+    "//brave/browser/ui/webui/new_tab_takeover/android:new_tab_takeover",
     "//brave/build/android:jni_headers",
     "//brave/components/brave_sync:sync_service_impl_helper",
     "//chrome/android:jni_headers",

browser/ui/BUILD.gn

@@ -149,7 +149,10 @@ source_set("ui") {
       "android/ai_chat/brave_leo_settings_launcher_helper.h",
     ]
 
-    deps += [ "//brave/build/android:jni_headers" ]
+    deps += [
+      "//brave/browser/ui/webui/new_tab_takeover/android:new_tab_takeover",
+      "//brave/build/android:jni_headers",
+    ]
   }
 
   if (enable_ai_rewriter) {

browser/ui/config.gni

@@ -13,6 +13,10 @@ if (!is_android) {
     "//brave/browser/ui/webui/brave_news_internals",
   ]
 }
+if (is_android) {
+  brave_ui_allow_circular_includes_from +=
+      [ "//brave/browser/ui/webui/new_tab_takeover/android:new_tab_takeover" ]
+}
 if (toolkit_views) {
   brave_ui_allow_circular_includes_from +=
       [ "//brave/browser/ui/views/split_view" ]

browser/ui/webui/new_tab_takeover/android/BUILD.gn

@@ -0,0 +1,40 @@
+# Copyright (c) 2025 The Brave Authors. All rights reserved.
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this file,
+# You can obtain one at https://mozilla.org/MPL/2.0/.
+
+import("//brave/build/config.gni")
+
+assert(is_android)
+
+source_set("new_tab_takeover") {
+  sources = [
+    "new_tab_takeover_ui.cc",
+    "new_tab_takeover_ui.h",
+    "new_tab_takeover_ui_config.cc",
+    "new_tab_takeover_ui_config.h",
+  ]
+
+  deps = [
+    "//base",
+    "//brave/browser:browser_process",
+    "//brave/browser/brave_ads:brave_ads",
+    "//brave/browser/ntp_background",
+    "//brave/components/brave_new_tab_ui:new_tab_takeover_generated_resources",
+    "//brave/components/constants",
+    "//brave/components/ntp_background_images/browser",
+    "//chrome/browser:browser_process",
+    "//chrome/browser:browser_public_dependencies",
+    "//chrome/browser/profiles:profile",
+    "//content/public/browser",
+    "//content/public/common",
+    "//ui/webui",
+    "//url",
+  ]
+
+  public_deps = [
+    "//brave/components/brave_new_tab_ui/new_tab_takeover/mojom",
+    "//brave/components/ntp_background_images/browser/mojom",
+    "//mojo/public/cpp/bindings",
+  ]
+}