Introduce new web Wallet behind feature flag

Implements new build flag `ENABLE_BRAVE_ANDROID_WEB_WALLET` and Gn constant
`brave_android_web_wallet_enabled`. When feature flag is set to false old native version
is used for Android Wallet. To enable/disable Android web Wallet use
`brave_android_web_wallet_enabled` in `android/buildflags/buildflags.gni`.

android/BUILD.gn

@@ -3,16 +3,13 @@
 # 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/android/buildflags/buildflags.gni")
 import("//brave/components/ai_chat/core/common/buildflags/buildflags.gni")
 import("//brave/components/ipfs/buildflags/buildflags.gni")
 import("//brave/components/p3a/buildflags.gni")
 import("//brave/components/webcompat_reporter/buildflags/buildflags.gni")
 import("//build/config/android/rules.gni")
 
-declare_args() {
-  brave_android_developer_options_code = ""
-}
-
 java_cpp_enum("brave_android_java_enums_srcjar") {
   sources = [
     "//brave/chromium_src/chrome/browser/notifications/notification_handler_impl.h",
@@ -29,5 +26,6 @@ java_cpp_template("brave_config_java") {
     "BRAVE_ANDROID_ENABLE_IPFS=$enable_ipfs",
     "BRAVE_ANDROID_WEBCOMPAT_REPORT_ENDPOINT=\"$webcompat_report_api_endpoint\"",
     "BRAVE_ANDROID_AI_CHAT_ENABLED=$enable_ai_chat",
+    "BRAVE_ANDROID_WEB_WALLET_ENABLED=$brave_android_web_wallet_enabled",
   ]
 }

android/buildflags/BUILD.gn

@@ -0,0 +1,13 @@
+# 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/.
+
+import("//brave/android/buildflags/buildflags.gni")
+import("//build/buildflag_header.gni")
+
+buildflag_header("buildflags") {
+  header = "buildflags.h"
+  flags =
+      [ "ENABLE_BRAVE_ANDROID_WEB_WALLET=$brave_android_web_wallet_enabled" ]
+}

android/buildflags/buildflags.gni

@@ -0,0 +1,9 @@
+# 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/.
+
+declare_args() {
+  brave_android_developer_options_code = ""
+  brave_android_web_wallet_enabled = true
+}

android/java/org/chromium/chrome/browser/crypto_wallet/activities/BraveWalletActivity.java

@@ -5,6 +5,10 @@
 
 package org.chromium.chrome.browser.crypto_wallet.activities;
 
+import static org.chromium.chrome.browser.crypto_wallet.adapters.CryptoFragmentPageAdapter.ACCOUNTS_FRAGMENT_POSITION;
+import static org.chromium.chrome.browser.crypto_wallet.adapters.CryptoFragmentPageAdapter.MARKET_FRAGMENT_POSITION;
+import static org.chromium.chrome.browser.crypto_wallet.adapters.CryptoFragmentPageAdapter.PORTFOLIO_FRAGMENT_POSITION;
+import static org.chromium.chrome.browser.crypto_wallet.adapters.CryptoFragmentPageAdapter.TRANSACTIONS_ACTIVITY_FRAGMENT_POSITION;
 import static org.chromium.chrome.browser.crypto_wallet.util.Utils.ONBOARDING_ACTION;
 import static org.chromium.chrome.browser.crypto_wallet.util.Utils.ONBOARDING_FIRST_PAGE_ACTION;
 import static org.chromium.chrome.browser.crypto_wallet.util.Utils.RESTORE_WALLET_ACTION;
@@ -32,6 +36,7 @@
 import org.chromium.brave_wallet.mojom.NetworkInfo;
 import org.chromium.brave_wallet.mojom.OnboardingAction;
 import org.chromium.chrome.R;
+import org.chromium.chrome.browser.BraveConfig;
 import org.chromium.chrome.browser.app.BraveActivity;
 import org.chromium.chrome.browser.app.domain.NetworkModel;
 import org.chromium.chrome.browser.app.domain.WalletModel;
@@ -345,7 +350,38 @@ private void showMainLayout() {
         addRemoveSecureFlag(false);
 
         mCryptoOnboardingLayout.setVisibility(View.GONE);
-        WalletUtils.openWebWallet();
+        if (BraveConfig.WEB_WALLET_ENABLED) {
+            WalletUtils.openWebWallet();
+        } else {
+            mCryptoLayout.setVisibility(View.VISIBLE);
+
+            mBottomNavigationView.setOnItemSelectedListener(
+                    menuItem -> {
+                        final int menuItemId = menuItem.getItemId();
+                        if (menuItemId == R.id.action_wallet_portfolio) {
+                            mViewPager.setCurrentItem(PORTFOLIO_FRAGMENT_POSITION, true);
+                        } else if (menuItemId == R.id.action_wallet_activity) {
+                            mViewPager.setCurrentItem(
+                                    TRANSACTIONS_ACTIVITY_FRAGMENT_POSITION, true);
+                        } else if (menuItemId == R.id.action_wallet_accounts) {
+                            mViewPager.setCurrentItem(ACCOUNTS_FRAGMENT_POSITION, true);
+                        } else if (menuItemId == R.id.action_wallet_explore) {
+                            mViewPager.setCurrentItem(MARKET_FRAGMENT_POSITION, true);
+                        }
+                        return true;
+                    });
+
+            if (mKeyringService != null) {
+                mKeyringService.isWalletBackedUp(
+                        backed_up -> {
+                            if (!backed_up) {
+                                showWalletBackupBanner();
+                            } else {
+                                findViewById(R.id.wallet_backup_banner).setVisibility(View.GONE);
+                            }
+                        });
+            }
+        }
     }
 
     private void addBackupWalletSequence(

android/java/org/chromium/chrome/browser/crypto_wallet/controller/DAppsWalletController.java

@@ -23,6 +23,7 @@
 import org.chromium.brave_wallet.mojom.BraveWalletService;
 import org.chromium.brave_wallet.mojom.JsonRpcService;
 import org.chromium.brave_wallet.mojom.KeyringService;
+import org.chromium.chrome.browser.BraveConfig;
 import org.chromium.chrome.browser.app.BraveActivity;
 import org.chromium.chrome.browser.crypto_wallet.AssetRatioServiceFactory;
 import org.chromium.chrome.browser.crypto_wallet.BraveWalletServiceFactory;
@@ -121,7 +122,9 @@ public void showWalletPanel() {
 
     private void createAndShowWalletPanel() {
         boolean showExpandButton =
-                mVisibleUrl != null && !mVisibleUrl.getHost().equals(BRAVE_WALLET_HOST);
+                !BraveConfig.WEB_WALLET_ENABLED
+                        || (mVisibleUrl != null
+                                && !mVisibleUrl.getHost().equals(BRAVE_WALLET_HOST));
         mBraveWalletPanel =
                 new BraveWalletPanel(
                         mAnchorViewHost, mDialogOrPanelDismissListener, this, showExpandButton);

browser/ui/BUILD.gn

@@ -3,6 +3,7 @@
 # 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/android/buildflags/buildflags.gni")
 import("//brave/browser/ethereum_remote_client/buildflags/buildflags.gni")
 import("//brave/browser/shell_integrations/buildflags/buildflags.gni")
 import("//brave/build/config.gni")
@@ -45,12 +46,6 @@ source_set("ui") {
     "webui/brave_rewards_page_ui.h",
     "webui/brave_rewards_source.cc",
     "webui/brave_rewards_source.h",
-    "webui/brave_wallet/line_chart/line_chart_ui.cc",
-    "webui/brave_wallet/line_chart/line_chart_ui.h",
-    "webui/brave_wallet/market/market_ui.cc",
-    "webui/brave_wallet/market/market_ui.h",
-    "webui/brave_wallet/nft/nft_ui.cc",
-    "webui/brave_wallet/nft/nft_ui.h",
     "webui/brave_web_ui_controller_factory.cc",
     "webui/brave_web_ui_controller_factory.h",
     "webui/brave_webui_source.cc",
@@ -59,6 +54,24 @@ source_set("ui") {
     "webui/skus_internals_ui.h",
   ]
 
+  if (!is_android || brave_android_web_wallet_enabled) {
+    sources += [
+      "webui/brave_wallet/line_chart/line_chart_ui.cc",
+      "webui/brave_wallet/line_chart/line_chart_ui.h",
+      "webui/brave_wallet/market/market_ui.cc",
+      "webui/brave_wallet/market/market_ui.h",
+      "webui/brave_wallet/nft/nft_ui.cc",
+      "webui/brave_wallet/nft/nft_ui.h",
+    ]
+
+    deps += [
+      "//brave/components/brave_wallet_ui/line_chart:line_chart_display_generated",
+      "//brave/components/brave_wallet_ui/market:market_display_generated",
+      "//brave/components/brave_wallet_ui/nft:nft_display_generated",
+      "//brave/components/brave_wallet_ui/page:brave_wallet_page_generated",
+    ]
+  }
+
   # It doesn't make sense to view the webcompat webui on iOS & Android.
   if (!is_android && !is_ios) {
     sources += [
@@ -491,6 +504,7 @@ source_set("ui") {
 
   deps += [
     "//base",
+    "//brave/android/buildflags",
     "//brave/app:command_ids",
     "//brave/app/vector_icons:vector_icons",
     "//brave/browser:browser_process",
@@ -540,10 +554,6 @@ source_set("ui") {
     "//brave/components/brave_wallet/browser:constants",
     "//brave/components/brave_wallet/browser:pref_names",
     "//brave/components/brave_wallet/browser:utils",
-    "//brave/components/brave_wallet_ui/line_chart:line_chart_display_generated",
-    "//brave/components/brave_wallet_ui/market:market_display_generated",
-    "//brave/components/brave_wallet_ui/nft:nft_display_generated",
-    "//brave/components/brave_wallet_ui/page:brave_wallet_page_generated",
     "//brave/components/brave_wayback_machine/buildflags",
     "//brave/components/constants",
     "//brave/components/cosmetic_filters/resources/data:generated_resources",
@@ -1044,11 +1054,16 @@ source_set("ui") {
       "//brave/components/brave_wallet/common",
       "//brave/components/brave_wallet/common:mojom",
       "//brave/components/brave_wallet_ui:resources",
-      "//brave/components/brave_wallet_ui/page/screens/android-buy/android:brave_wallet_fund_wallet_page_generated",
-      "//brave/components/brave_wallet_ui/page/screens/fund-wallet/android:brave_wallet_deposit_page_generated",
-      "//brave/components/brave_wallet_ui/page/screens/send/android:brave_wallet_send_page_generated",
-      "//brave/components/brave_wallet_ui/page/screens/swap/android:brave_wallet_swap_page_generated",
     ]
+
+    if (!brave_android_web_wallet_enabled) {
+      deps += [
+        "//brave/components/brave_wallet_ui/page/screens/android-buy/android:brave_wallet_fund_wallet_page_generated",
+        "//brave/components/brave_wallet_ui/page/screens/fund-wallet/android:brave_wallet_deposit_page_generated",
+        "//brave/components/brave_wallet_ui/page/screens/send/android:brave_wallet_send_page_generated",
+        "//brave/components/brave_wallet_ui/page/screens/swap/android:brave_wallet_swap_page_generated",
+      ]
+    }
   }
 
   if (ethereum_remote_client_enabled && !is_android) {

browser/ui/android/strings/android_brave_strings.grd

@@ -4081,7 +4081,7 @@ If you don't accept this request, VPN will not reconnect and your internet conne
     </message>
     <message name="IDS_BRAVE_LEO_CONFIRM_TEXT" desc="Text for Leo confirm button text.">
       Confirm
-    </message>  
+    </message>
     <message name="IDS_ELLIPSIS_TEXT" desc="Generic ellipsis text" translateable="false">
       ...
     </message>

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

@@ -7,11 +7,15 @@
 
 #include <utility>
 
+#include "brave/android/buildflags/buildflags.h"
+#if BUILDFLAG(ENABLE_BRAVE_ANDROID_WEB_WALLET)
+#include "brave/components/brave_wallet_page/resources/grit/brave_wallet_page_generated_map.h"
+#else
 #include "brave/components/brave_wallet_page/resources/grit/brave_wallet_deposit_page_generated_map.h"
 #include "brave/components/brave_wallet_page/resources/grit/brave_wallet_fund_wallet_page_generated_map.h"
-#include "brave/components/brave_wallet_page/resources/grit/brave_wallet_page_generated_map.h"
 #include "brave/components/brave_wallet_page/resources/grit/brave_wallet_send_page_generated_map.h"
 #include "brave/components/brave_wallet_page/resources/grit/brave_wallet_swap_page_generated_map.h"
+#endif  // BUILDFLAG(ENABLE_BRAVE_ANDROID_WEB_WALLET)
 #include "brave/components/l10n/common/localization_util.h"
 
 #include "brave/browser/ui/webui/brave_wallet/wallet_common_ui.h"
@@ -61,11 +65,38 @@ AndroidWalletPageUI::AndroidWalletPageUI(content::WebUI* web_ui,
   }
 
   // Add required resources.
+#if BUILDFLAG(ENABLE_BRAVE_ANDROID_WEB_WALLET)
   if (url.host() == kWalletPageHost) {
     webui::SetupWebUIDataSource(source,
                                 base::make_span(kBraveWalletPageGenerated,
                                                 kBraveWalletPageGeneratedSize),
                                 IDR_WALLET_PAGE_HTML);
+#else
+  if (url.path() == kWalletSwapPagePath) {
+    webui::SetupWebUIDataSource(
+        source,
+        base::make_span(kBraveWalletSwapPageGenerated,
+                        kBraveWalletSwapPageGeneratedSize),
+        IDR_BRAVE_WALLET_SWAP_PAGE_HTML);
+  } else if (url.path() == kWalletSendPagePath) {
+    webui::SetupWebUIDataSource(
+        source,
+        base::make_span(kBraveWalletSendPageGenerated,
+                        kBraveWalletSendPageGeneratedSize),
+        IDR_BRAVE_WALLET_SEND_PAGE_HTML);
+  } else if (url.path() == kWalletBuyPagePath) {
+    webui::SetupWebUIDataSource(
+        source,
+        base::make_span(kBraveWalletFundWalletPageGenerated,
+                        kBraveWalletFundWalletPageGeneratedSize),
+        IDR_BRAVE_WALLET_FUND_WALLET_PAGE_HTML);
+  } else if (url.path() == kWalletDepositPagePath) {
+    webui::SetupWebUIDataSource(
+        source,
+        base::make_span(kBraveWalletDepositPageGenerated,
+                        kBraveWalletDepositPageGeneratedSize),
+        IDR_BRAVE_WALLET_DEPOSIT_PAGE_HTML);
+#endif  // BUILDFLAG(ENABLE_BRAVE_ANDROID_WEB_WALLET)
   } else {
     NOTREACHED() << "Failed to find page resources for:" << url.path();
   }

browser/ui/webui/brave_web_ui_controller_factory.cc

@@ -229,7 +229,15 @@ WebUIFactoryFunction GetWebUIFactoryFunction(WebUI* web_ui,
        ipfs::IpfsServiceFactory::IsIpfsEnabled(profile)) ||
 #endif  // BUILDFLAG(ENABLE_IPFS_INTERNALS_WEBUI)
 #if BUILDFLAG(IS_ANDROID)
+#if BUILDFLAG(ENABLE_BRAVE_ANDROID_WEB_WALLET)
       (url.is_valid() && url.host_piece() == kWalletPageHost) ||
+#else
+      (url.is_valid() && url.host_piece() == kWalletPageHost &&
+       (url.path() == kWalletSwapPagePath ||
+        url.path() == kWalletSendPagePath ||
+        url.path().starts_with(kWalletBuyPagePath) ||
+        url.path().starts_with(kWalletDepositPagePath))) ||
+#endif  // BUILDFLAG(ENABLE_BRAVE_ANDROID_WEB_WALLET)
 #else
       (base::FeatureList::IsEnabled(
            brave_news::features::kBraveNewsFeedUpdate) &&
@@ -308,7 +316,11 @@ bool ShouldBlockWalletWebUI(content::BrowserContext* browser_context,
   }
   auto* keyring_service =
       brave_wallet::KeyringServiceFactory::GetServiceForContext(profile);
+#if BUILDFLAG(ENABLE_BRAVE_ANDROID_WEB_WALLET)
   return keyring_service && !keyring_service->IsWalletCreatedSync();
+#else
+  return keyring_service && keyring_service->IsLockedSync();
+#endif
 }
 #endif  // BUILDFLAG(IS_ANDROID)
 }  // namespace

build/android/java/templates/BraveConfig.template

@@ -14,4 +14,5 @@ public class BraveConfig {
   public static final boolean IPFS_ENABLED = BRAVE_ANDROID_ENABLE_IPFS;
   public static final boolean AI_CHAT_ENABLED = BRAVE_ANDROID_AI_CHAT_ENABLED;
   public static final String WEBCOMPAT_REPORT_ENDPOINT = BRAVE_ANDROID_WEBCOMPAT_REPORT_ENDPOINT;
+  public static final boolean WEB_WALLET_ENABLED = BRAVE_ANDROID_WEB_WALLET_ENABLED;
 }

chromium_src/chrome/browser/DEPS

@@ -1,5 +1,6 @@
 include_rules = [
   "+brave/app",
+  "+brave/android/buildflags/buildflags.h",
   "+brave/browser",
   "+brave/build/android/jni_headers",
   "+brave/common",

chromium_src/chrome/browser/ui/webui/chrome_untrusted_web_ui_configs.cc

@@ -6,6 +6,7 @@
 #include "chrome/browser/ui/webui/chrome_untrusted_web_ui_configs.h"
 
 #include "base/feature_list.h"
+#include "brave/android/buildflags/buildflags.h"
 #include "brave/browser/ui/webui/brave_wallet/ledger/ledger_ui.h"
 #include "brave/browser/ui/webui/brave_wallet/line_chart/line_chart_ui.h"
 #include "brave/browser/ui/webui/brave_wallet/market/market_ui.h"
@@ -49,12 +50,16 @@
 
 void RegisterChromeUntrustedWebUIConfigs() {
   RegisterChromeUntrustedWebUIConfigs_ChromiumImpl();
+
+#if !BUILDFLAG(IS_ANDROID) || BUILDFLAG(ENABLE_BRAVE_ANDROID_WEB_WALLET)
   content::WebUIConfigMap::GetInstance().AddUntrustedWebUIConfig(
       std::make_unique<market::UntrustedMarketUIConfig>());
   content::WebUIConfigMap::GetInstance().AddUntrustedWebUIConfig(
       std::make_unique<nft::UntrustedNftUIConfig>());
   content::WebUIConfigMap::GetInstance().AddUntrustedWebUIConfig(
       std::make_unique<line_chart::UntrustedLineChartUIConfig>());
+#endif
+
 #if !BUILDFLAG(IS_ANDROID)
   content::WebUIConfigMap::GetInstance().AddUntrustedWebUIConfig(
       std::make_unique<ledger::UntrustedLedgerUIConfig>());