Display wallet icon when viewing brave, add button in wallet to open a tab to brave://wallet/swap

android/java/org/chromium/chrome/browser/app/BraveActivity.java

@@ -222,6 +222,7 @@ public abstract class BraveActivity<C extends ChromeActivityComponent> extends C
         implements BrowsingDataBridge.OnClearBrowsingDataListener, BraveVpnObserver,
                    OnBraveSetDefaultBrowserListener, ConnectionErrorHandler, PrefObserver,
                    BraveSafeBrowsingApiHandler.BraveSafeBrowsingApiHandlerDelegate {
+    public static final String BRAVE_SWAP_URL = "brave://wallet/swap";
     public static final String BRAVE_REWARDS_SETTINGS_URL = "brave://rewards/";
     public static final String BRAVE_REWARDS_SETTINGS_WALLET_VERIFICATION_URL =
             "brave://rewards/#verify";

android/java/org/chromium/chrome/browser/crypto_wallet/util/Utils.java

@@ -259,12 +259,23 @@ public static void openBuySendSwapActivity(Activity activity,
             BuySendSwapActivity.ActivityType activityType, String swapFromAssetSymbol,
             String chainId) {
         assert activity != null;
-        Intent buySendSwapActivityIntent = new Intent(activity, BuySendSwapActivity.class);
-        buySendSwapActivityIntent.putExtra(
-                BuySendSwapActivity.ACTIVITY_TYPE, activityType.getValue());
-        buySendSwapActivityIntent.putExtra(BuySendSwapActivity.ASSET_SYMBOL, swapFromAssetSymbol);
-        buySendSwapActivityIntent.putExtra(BuySendSwapActivity.ASSET_CHAIN_ID, chainId);
-        activity.startActivity(buySendSwapActivityIntent);
+        if (activityType == BuySendSwapActivity.ActivityType.SWAP) {
+            try {
+                BraveActivity.getBraveActivity().openNewOrSelectExistingTab(
+                        BraveActivity.BRAVE_SWAP_URL);
+                TabUtils.bringChromeTabbedActivityToTheTop(activity);
+            } catch (BraveActivity.BraveActivityNotFoundException e) {
+                Log.e(TAG, "on Swap tab: " + e);
+            }
+        } else {
+            Intent buySendSwapActivityIntent = new Intent(activity, BuySendSwapActivity.class);
+            buySendSwapActivityIntent.putExtra(
+                    BuySendSwapActivity.ACTIVITY_TYPE, activityType.getValue());
+            buySendSwapActivityIntent.putExtra(
+                    BuySendSwapActivity.ASSET_SYMBOL, swapFromAssetSymbol);
+            buySendSwapActivityIntent.putExtra(BuySendSwapActivity.ASSET_CHAIN_ID, chainId);
+            activity.startActivity(buySendSwapActivityIntent);
+        }
     }
 
     public static void openAssetDetailsActivity(

browser/ui/BUILD.gn

@@ -891,6 +891,8 @@ source_set("ui") {
   }
   if (is_android) {
     sources += [
+      "webui/brave_wallet/android/swap_page_handler.cc",
+      "webui/brave_wallet/android/swap_page_handler.h",
       "webui/brave_wallet/android/swap_page_ui.cc",
       "webui/brave_wallet/android/swap_page_ui.h",
       "webui/brave_wallet/common_handler/wallet_handler.cc",

browser/ui/webui/brave_wallet/android/swap_page_handler.cc

@@ -0,0 +1,29 @@
+// Copyright (c) 2023 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/.
+
+#include "brave/browser/ui/webui/brave_wallet/android/swap_page_handler.h"
+
+#include <utility>
+
+#include "brave/browser/brave_wallet/brave_wallet_provider_delegate_impl_helper.h"
+
+SwapPageHandler::SwapPageHandler(
+    mojo::PendingReceiver<brave_wallet::mojom::PageHandler> receiver,
+    Profile* profile,
+    ui::MojoWebUIController* webui_controller)
+    : WalletPageHandler(std::move(receiver), profile),
+      webui_controller_(webui_controller) {
+  DCHECK(webui_controller_);
+}
+
+SwapPageHandler::~SwapPageHandler() = default;
+
+void SwapPageHandler::ShowApprovePanelUI() {
+  if (!webui_controller_) {
+    return;
+  }
+
+  ::brave_wallet::ShowPanel(webui_controller_->web_ui()->GetWebContents());
+}

browser/ui/webui/brave_wallet/android/swap_page_handler.h

@@ -0,0 +1,31 @@
+// Copyright (c) 2023 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/.
+
+#ifndef BRAVE_BROWSER_UI_WEBUI_BRAVE_WALLET_ANDROID_SWAP_PAGE_HANDLER_H_
+#define BRAVE_BROWSER_UI_WEBUI_BRAVE_WALLET_ANDROID_SWAP_PAGE_HANDLER_H_
+
+#include "brave/browser/ui/webui/brave_wallet/page_handler/wallet_page_handler.h"
+
+#include "brave/components/brave_wallet/common/brave_wallet.mojom.h"
+#include "ui/webui/mojo_web_ui_controller.h"
+
+class SwapPageHandler : WalletPageHandler {
+ public:
+  SwapPageHandler(
+      mojo::PendingReceiver<brave_wallet::mojom::PageHandler> receiver,
+      Profile* profile,
+      ui::MojoWebUIController* webui_controller);
+
+  SwapPageHandler(const SwapPageHandler&) = delete;
+  SwapPageHandler& operator=(const SwapPageHandler&) = delete;
+  ~SwapPageHandler() override;
+
+  void ShowApprovePanelUI() override;
+
+ private:
+  ui::MojoWebUIController* const webui_controller_;
+};
+
+#endif  // BRAVE_BROWSER_UI_WEBUI_BRAVE_WALLET_ANDROID_SWAP_PAGE_HANDLER_H_

browser/ui/webui/brave_wallet/android/swap_page_ui.cc

@@ -15,11 +15,13 @@
 
 #include "brave/browser/brave_wallet/asset_ratio_service_factory.h"
 #include "brave/browser/brave_wallet/brave_wallet_ipfs_service_factory.h"
+#include "brave/browser/brave_wallet/brave_wallet_provider_delegate_impl_helper.h"
 #include "brave/browser/brave_wallet/brave_wallet_service_factory.h"
 #include "brave/browser/brave_wallet/json_rpc_service_factory.h"
 #include "brave/browser/brave_wallet/keyring_service_factory.h"
 #include "brave/browser/brave_wallet/swap_service_factory.h"
 #include "brave/browser/brave_wallet/tx_service_factory.h"
+#include "brave/browser/ui/webui/brave_wallet/android/swap_page_handler.h"
 
 #include "brave/components/brave_wallet/browser/blockchain_registry.h"
 #include "brave/components/brave_wallet/browser/brave_wallet_constants.h"
@@ -126,9 +128,8 @@ void SwapPageUI::CreatePageHandler(
   DCHECK(page);
   auto* profile = Profile::FromWebUI(web_ui());
   DCHECK(profile);
-
-  page_handler_ =
-      std::make_unique<WalletPageHandler>(std::move(page_receiver), profile);
+  page_handler_ = std::make_unique<SwapPageHandler>(std::move(page_receiver),
+                                                    profile, this);
   wallet_handler_ =
       std::make_unique<WalletHandler>(std::move(wallet_receiver), profile);
 
@@ -160,4 +161,5 @@ void SwapPageUI::CreatePageHandler(
   if (blockchain_registry) {
     blockchain_registry->Bind(std::move(blockchain_registry_receiver));
   }
+  brave_wallet::WalletInteractionDetected(web_ui()->GetWebContents());
 }

browser/ui/webui/brave_wallet/android/swap_page_ui.h

@@ -9,14 +9,12 @@
 #include <memory>
 #include <string>
 
-#include "content/public/browser/web_ui_controller.h"
-
 #include "brave/browser/ui/webui/brave_wallet/common_handler/wallet_handler.h"
-#include "brave/browser/ui/webui/brave_wallet/page_handler/wallet_page_handler.h"
-
 #include "brave/components/brave_wallet/common/brave_wallet.mojom.h"
+#include "content/public/browser/web_ui_controller.h"
 #include "ui/webui/mojo_web_ui_controller.h"
 
+class SwapPageHandler;
 class SwapPageUI : public ui::MojoWebUIController,
                    public brave_wallet::mojom::PageHandlerFactory {
  public:
@@ -63,7 +61,7 @@ class SwapPageUI : public ui::MojoWebUIController,
       mojo::PendingReceiver<brave_wallet::mojom::IpfsService>
           ipfs_service_receiver) override;
 
-  std::unique_ptr<WalletPageHandler> page_handler_;
+  std::unique_ptr<SwapPageHandler> page_handler_;
   std::unique_ptr<WalletHandler> wallet_handler_;
 
   mojo::Receiver<brave_wallet::mojom::PageHandlerFactory>