Rich NTT on Android

android/brave_java_sources.gni

@@ -265,6 +265,7 @@ brave_java_sources = [
   "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/model/ImageCredit.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/model/NTPImage.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/model/SponsoredLogo.java",
+  "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/model/SponsoredRichMedia.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/model/SponsoredTab.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/model/TopSite.java",
   "../../brave/android/java/org/chromium/chrome/browser/ntp_background_images/model/Wallpaper.java",

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

@@ -116,6 +116,22 @@
 import java.util.UUID;
 import java.util.concurrent.CopyOnWriteArrayList;
 
+import org.chromium.content_public.browser.WebContents;
+import android.widget.FrameLayout;
+import org.chromium.components.thinwebview.ThinWebView;
+import org.chromium.components.thinwebview.ThinWebViewConstraints;
+import org.chromium.components.thinwebview.ThinWebViewFactory;
+import org.chromium.components.embedder_support.view.ContentView;
+import org.chromium.ui.base.IntentRequestTracker;
+import org.chromium.content_public.browser.LoadUrlParams;
+import org.chromium.chrome.browser.content.WebContentsFactory;
+import org.chromium.ui.base.ViewAndroidDelegate;
+import org.chromium.base.version_info.VersionInfo;
+import androidx.recyclerview.widget.RecyclerView.OnItemTouchListener;
+import org.chromium.chrome.browser.ntp_background_images.model.SponsoredRichMedia;
+import org.chromium.net.NetId;
+import android.net.Uri;
+
 public class BraveNewTabPageLayout
         extends NewTabPageLayout implements ConnectionErrorHandler, OnBraveNtpListener {
     private static final String TAG = "BraveNewTabPage";
@@ -132,7 +148,14 @@ public class BraveNewTabPageLayout
     private Integer mInitialTileNum;
 
     // Own members.
+    private WindowAndroid mWindowAndroid;
+
     private ImageView mBgImageView;
+    private WebContents mSponsoredBackgroundWebContents;
+    private ThinWebView mSponsoredBackgroundWebView;
+    private FrameLayout mBackgroundSponsoredContentView;
+    private SponsoredRichMedia mSponsoredRichMedia;
+
     private Profile mProfile;
     private SponsoredTab mSponsoredTab;
     private boolean mIsTablet;
@@ -441,6 +464,34 @@ 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());
+                        final int action = event.getActionMasked();
+                        if (childView == null &&
+                            (action == MotionEvent.ACTION_MOVE ||
+                             action == MotionEvent.ACTION_DOWN)) {
+                            mSponsoredBackgroundWebView.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
@@ -931,6 +982,11 @@ public void onConfigurationChanged(Configuration newConfig) {
                 if (mWallpaper == null) {
                     mSponsoredTab.setNTPImage(SponsoredImageUtil.getBackgroundImage());
                 }
+            } else if (ntpImage instanceof SponsoredRichMedia) {
+                mSponsoredRichMedia = (SponsoredRichMedia) ntpImage;
+                if (mSponsoredRichMedia == null) {
+                    mSponsoredTab.setNTPImage(SponsoredImageUtil.getBackgroundImage());
+                }
             }
             super.onConfigurationChanged(newConfig);
             showNTPImage(ntpImage);
@@ -1181,6 +1237,8 @@ public void initialize(
                 tabStripHeightSupplier);
 
         mIsTablet = isTablet;
+        mWindowAndroid = windowAndroid;
+
 
         assert mMvTilesContainerLayout != null : "Something has changed in the upstream!";
 
@@ -1199,6 +1257,7 @@ public void initialize(
         mActivity = activity;
         ((BraveActivity) mActivity).dismissShieldsTooltip();
         ((BraveActivity) mActivity).setNewTabPageManager(manager);
+
     }
 
     protected boolean useFixedMVTLayout() {
@@ -1227,9 +1286,60 @@ private void showNTPImage(NTPImage ntpImage) {
                 && mSponsoredTab != null
                 && NTPImageUtil.shouldEnableNTPFeature()) {
             setBackgroundImage(ntpImage);
+        } else if (ntpImage instanceof SponsoredRichMedia) {
+            final SponsoredRichMedia sponsoredRichMedia = (SponsoredRichMedia) ntpImage;
+            setupSponsoredBackgroundContent(sponsoredRichMedia);
         }
     }
 
+    private void setupSponsoredBackgroundContent(SponsoredRichMedia sponsoredRichMedia) {
+        mBackgroundSponsoredContentView = findViewById(R.id.bg_background_view);
+        mBackgroundSponsoredContentView.setVisibility(View.VISIBLE);
+
+        mSponsoredBackgroundWebContents =
+                WebContentsFactory.createWebContentsWithWarmRenderer(
+                        mProfile,
+                        /* initiallyHidden= */ true,
+                        /* targetNetwork= */ NetId.INVALID);
+
+        final ContentView webContentView =
+                ContentView.createContentView(mActivity, mSponsoredBackgroundWebContents);
+        final ViewAndroidDelegate delegate =
+                ViewAndroidDelegate.createBasicDelegate(webContentView);
+        mSponsoredBackgroundWebContents.setDelegates(
+                VersionInfo.getProductVersion(),
+                delegate,
+                webContentView,
+                mWindowAndroid,
+                WebContents.createDefaultInternalsHolder());
+
+        final IntentRequestTracker intentRequestTracker = mWindowAndroid.getIntentRequestTracker();
+        mSponsoredBackgroundWebView =
+                ThinWebViewFactory.create(
+                        mActivity, new ThinWebViewConstraints(), intentRequestTracker);
+        mSponsoredBackgroundWebView
+                .getView()
+                .setLayoutParams(
+                        new FrameLayout.LayoutParams(
+                                ViewGroup.LayoutParams.MATCH_PARENT,
+                                ViewGroup.LayoutParams.MATCH_PARENT));
+        mSponsoredBackgroundWebView.attachWebContents(mSponsoredBackgroundWebContents,
+                                                      webContentView,
+                                                      null);
+
+        mBackgroundSponsoredContentView.addView(mSponsoredBackgroundWebView.getView());
+
+        Uri.Builder builder = Uri.parse("chrome://sponsored-rich-media").buildUpon();
+        builder.appendQueryParameter("path", sponsoredRichMedia.getSponsoredRichMediaPath());
+        builder.appendQueryParameter("creativeInstanceId", sponsoredRichMedia.getCreativeInstanceId());
+        builder.appendQueryParameter("placementId", sponsoredRichMedia.getPlacementId());
+        builder.appendQueryParameter("targetUrl", sponsoredRichMedia.getTargetUrl());
+
+        mSponsoredBackgroundWebContents
+                .getNavigationController()
+                .loadUrl(new LoadUrlParams(builder.build().toString()));
+    }
+
     private void setBackgroundImage(NTPImage ntpImage) {
         mBgImageView = (ImageView) findViewById(R.id.bg_image_view);
         mBgImageView.setScaleType(ImageView.ScaleType.MATRIX);
@@ -1261,6 +1371,11 @@ private void checkAndShowNTPImage(boolean isReset) {
             if (mWallpaper == null) {
                 mSponsoredTab.setNTPImage(SponsoredImageUtil.getBackgroundImage());
             }
+        } else if (ntpImage instanceof SponsoredRichMedia) {
+            mSponsoredRichMedia = (SponsoredRichMedia) ntpImage;
+            if (mSponsoredRichMedia == null) {
+                mSponsoredTab.setNTPImage(SponsoredImageUtil.getBackgroundImage());
+            }
         }
         showNTPImage(ntpImage);
     }

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

@@ -17,6 +17,7 @@
 import org.chromium.chrome.browser.ntp_background_images.model.ImageCredit;
 import org.chromium.chrome.browser.ntp_background_images.model.NTPImage;
 import org.chromium.chrome.browser.ntp_background_images.model.TopSite;
+import org.chromium.chrome.browser.ntp_background_images.model.SponsoredRichMedia;
 import org.chromium.chrome.browser.ntp_background_images.model.Wallpaper;
 import org.chromium.chrome.browser.ntp_background_images.util.NewTabPageListener;
 import org.chromium.chrome.browser.preferences.BravePrefServiceBridge;
@@ -158,6 +159,11 @@ public static Wallpaper createBrandedWallpaper(String imagePath, int focalPointX
                              wallpaperId);
     }
 
+    @CalledByNative
+    public static SponsoredRichMedia createSponsoredRichMedia(String sponsoredRichMediaPath, String creativeInstanceId, String placementId, String targetUrl) {
+        return new SponsoredRichMedia(sponsoredRichMediaPath, creativeInstanceId, placementId, targetUrl);
+    }
+
     @CalledByNative
     public void onUpdated() {
         for (NTPBackgroundImageServiceObserver observer : mObservers) {

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

@@ -0,0 +1,52 @@
+/* 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_background_images.model;
+
+public class SponsoredRichMedia extends NTPImage {
+    private String mSponsoredRichMediaPath;
+    private String mCreativeInstanceId;
+    private String mPlacementId;
+    private String mTargetUrl;
+
+    public SponsoredRichMedia(String sponsoredRichMediaPath, String creativeInstanceId, String placementId, String targetUrl) {
+        mSponsoredRichMediaPath = sponsoredRichMediaPath;
+        mCreativeInstanceId = creativeInstanceId;
+        mPlacementId = placementId;
+        mTargetUrl = targetUrl;
+    }
+
+    public String getSponsoredRichMediaPath() {
+        return mSponsoredRichMediaPath;
+    }
+
+    public void setSponsoredRichMediaPath(String sponsoredRichMediaPath) {
+        mSponsoredRichMediaPath = sponsoredRichMediaPath;
+    }
+
+    public String getCreativeInstanceId() {
+        return mCreativeInstanceId;
+    }
+
+    public void setCreativeInstanceId(String creativeInstanceId) {
+        mCreativeInstanceId = creativeInstanceId;
+    }
+
+    public String getPlacementId() {
+        return mPlacementId;
+    }
+
+    public void setPlacementId(String placementId) {
+        mPlacementId = placementId;
+    }
+
+    public String getTargetUrl() {
+        return mTargetUrl;
+    }
+
+    public void setTargetUrl(String targetUrl) {
+        mTargetUrl = targetUrl;
+    }
+}

android/java/res/layout/new_tab_page_layout.xml

@@ -25,6 +25,12 @@
         android:layout_height="match_parent"
         android:contentDescription="@null"/>
 
+    <FrameLayout
+        android:id="@+id/bg_background_view"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent">
+    </FrameLayout>
+
     <FrameLayout
         android:id="@+id/logo_holder"
         android:layout_width="match_parent"

browser/brave_content_browser_client.cc

@@ -44,6 +44,7 @@
 #include "brave/browser/ui/webui/ai_chat/ai_chat_untrusted_conversation_ui.h"
 #include "brave/browser/ui/webui/brave_rewards/rewards_page_ui.h"
 #include "brave/browser/ui/webui/skus_internals_ui.h"
+#include "brave/browser/ui/webui/sponsored_new_tab_page/sponsored_new_tab_page_ui.h"
 #include "brave/browser/url_sanitizer/url_sanitizer_service_factory.h"
 #include "brave/components/ai_chat/content/browser/ai_chat_brave_search_throttle.h"
 #include "brave/components/ai_chat/content/browser/ai_chat_tab_helper.h"
@@ -651,6 +652,9 @@ void BraveContentBrowserClient::RegisterWebUIInterfaceBrokers(
 
   registry.ForWebUI<AdsInternalsUI>().Add<bat_ads::mojom::AdsInternals>();
 
+  registry.ForWebUI<SponsoredNewTabPageUI>()
+      .Add<ntp_background_images::mojom::SponsoredRichMediaAdEventHandler>();
+
   if (base::FeatureList::IsEnabled(skus::features::kSkusFeature)) {
     registry.ForWebUI<SkusInternalsUI>().Add<skus::mojom::SkusInternals>();
   }

browser/ntp_background/android/ntp_background_images_bridge.cc

@@ -193,6 +193,34 @@ NTPBackgroundImagesBridge::CreateBrandedWallpaper(
       ConvertUTF8ToJavaString(env, wallpaper_id ? *wallpaper_id : ""));
 }
 
+base::android::ScopedJavaLocalRef<jobject>
+NTPBackgroundImagesBridge::CreateSponsoredRichMedia(
+    const base::Value::Dict& data) {
+  JNIEnv* env = AttachCurrentThread();
+
+  auto* sponsored_rich_media_path =
+      data.FindString(ntp_background_images::kWallpaperFilePathKey);
+
+  auto* creative_instance_id =
+      data.FindString(ntp_background_images::kCreativeInstanceIDKey);
+
+  auto* placement_id = data.FindString(ntp_background_images::kWallpaperIDKey);
+
+  auto* target_url =
+      data.FindString(ntp_background_images::kLogoDestinationURLPath);
+
+  if (!sponsored_rich_media_path || !creative_instance_id || !placement_id ||
+      !target_url) {
+    return base::android::ScopedJavaLocalRef<jobject>();
+  }
+
+  return Java_NTPBackgroundImagesBridge_createSponsoredRichMedia(
+      env, ConvertUTF8ToJavaString(env, *sponsored_rich_media_path),
+      ConvertUTF8ToJavaString(env, *creative_instance_id),
+      ConvertUTF8ToJavaString(env, *placement_id),
+      ConvertUTF8ToJavaString(env, *target_url));
+}
+
 void NTPBackgroundImagesBridge::GetTopSites(JNIEnv* env,
                                             const JavaParamRef<jobject>& obj) {
   std::vector<ntp_background_images::TopSite> top_sites =
@@ -257,12 +285,18 @@ NTPBackgroundImagesBridge::GetCurrentWallpaper(
   if (!data)
     return base::android::ScopedJavaLocalRef<jobject>();
 
-  bool is_background =
+  // TODO(aseren): Add SponsoredRichMedia support.
+  const bool is_background =
       data->FindBool(ntp_background_images::kIsBackgroundKey).value_or(false);
-  if (!is_background) {
-    return CreateBrandedWallpaper(*data);
-  } else {
+  const std::string* sponsored_rich_media_type =
+      data->FindString(ntp_background_images::kWallpaperTypeKey);
+  if (is_background) {
     return CreateWallpaper(*data);
+  } else if (sponsored_rich_media_type &&
+             *sponsored_rich_media_type == "richMedia") {
+    return CreateSponsoredRichMedia(*data);
+  } else {
+    return CreateBrandedWallpaper(*data);
   }
 }
 

browser/ntp_background/android/ntp_background_images_bridge.h

@@ -78,6 +78,8 @@ class NTPBackgroundImagesBridge : public NTPBackgroundImagesService::Observer,
       const base::Value::Dict& data);
   base::android::ScopedJavaLocalRef<jobject> CreateBrandedWallpaper(
       const base::Value::Dict& data);
+  base::android::ScopedJavaLocalRef<jobject> CreateSponsoredRichMedia(
+      const base::Value::Dict& data);
 
   raw_ptr<Profile> profile_ = nullptr;
   raw_ptr<ViewCounterService> view_counter_service_ = nullptr;

browser/sources.gni

@@ -141,6 +141,7 @@ brave_chrome_browser_deps = [
   "//brave/browser/themes",
   "//brave/browser/ui",
   "//brave/browser/ui/webui/ads_internals",
+  "//brave/browser/ui/webui/sponsored_new_tab_page",
   "//brave/common",
   "//brave/common:mojo_bindings",
   "//brave/components/ai_chat/content/browser",

browser/ui/webui/brave_web_ui_controller_factory.cc

@@ -22,6 +22,7 @@
 #include "brave/browser/ui/webui/brave_rewards_internals_ui.h"
 #include "brave/browser/ui/webui/brave_rewards_page_ui.h"
 #include "brave/browser/ui/webui/skus_internals_ui.h"
+#include "brave/browser/ui/webui/sponsored_new_tab_page/sponsored_new_tab_page_ui.h"
 #include "brave/components/ai_rewriter/common/buildflags/buildflags.h"
 #include "brave/components/brave_federated/features.h"
 #include "brave/components/brave_rewards/core/features.h"
@@ -94,7 +95,16 @@ WebUIController* NewWebUI(WebUI* web_ui, const GURL& url) {
   auto host = url.host_piece();
   Profile* profile = Profile::FromBrowserContext(
       web_ui->GetWebContents()->GetBrowserContext());
-  if (host == kAdsInternalsHost) {
+
+  if (host == kSponsoredNewTabPageHost) {
+    return new SponsoredNewTabPageUI(
+        web_ui, url.host(),
+        brave_ads::AdsServiceFactory::GetForProfile(profile),
+        g_browser_process->local_state(),
+        g_brave_browser_process->p3a_service(),
+        g_brave_browser_process->ntp_background_images_service(),
+        profile->GetPrefs());
+  } else if (host == kAdsInternalsHost) {
     return new AdsInternalsUI(
         web_ui, url.host(),
         brave_ads::AdsServiceFactory::GetForProfile(profile),
@@ -220,7 +230,8 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
 #endif
       url.host_piece() == kRewardsPageHost ||
       url.host_piece() == kRewardsInternalsHost ||
-      url.host_piece() == kAdsInternalsHost) {
+      url.host_piece() == kAdsInternalsHost ||
+      url.host_piece() == kSponsoredNewTabPageHost) {
     return &NewWebUI;
   }